CN112869553A - Cooking appliance control method and device, cooking appliance and storage medium - Google Patents
Cooking appliance control method and device, cooking appliance and storage medium Download PDFInfo
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- CN112869553A CN112869553A CN201911209176.7A CN201911209176A CN112869553A CN 112869553 A CN112869553 A CN 112869553A CN 201911209176 A CN201911209176 A CN 201911209176A CN 112869553 A CN112869553 A CN 112869553A
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- cooking container
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
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- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention provides a control method of a cooking appliance, a control device of the cooking appliance, the cooking appliance and a computer readable storage medium. Wherein, cooking utensil includes cooking container and apron subassembly, and the apron subassembly is provided with first exhaust valve and gas vent, and cooking utensil's control method includes: controlling the first exhaust valve to close the exhaust port so as to enable the cooking container to be in a closed state; the first exhaust valve is adjusted to adjust the internal pressure of the cooking vessel while operating. By adjusting the first exhaust valve, different pressures applied to the exhaust port by the first exhaust valve are obtained, and multi-stage pressure change of the cooking container is realized, so that the optimal bumping effect is achieved, the problem of rice agglomeration is improved, and the rice cooking effect is improved.
Description
Technical Field
The invention relates to the technical field of cooking appliances, in particular to a cooking appliance control method, a cooking appliance control device, a cooking appliance and a computer readable storage medium.
Background
The pressure electric cooker in the related art realizes pressure relief and bumping by controlling the switch of the pressure control valve by the driving mechanism in the cooking process, thereby scattering caking formed in the cooking process, uniformly heating rice and improving the quality of rice.
Different rice varieties need different pressure culinary art, so the demand of multistage vary voltage appears, and realize the actuating mechanism of multistage vary voltage mostly by the compression spring of step motor control rack gear control accuse pressure valve among the correlation technique, reach the purpose of multistage vary voltage, but step motor is in the environment the inside of pressure rice cooker high temperature and high humidity, the life-span requirement is high, the cost is also high relatively, there is the error of angle in the rack gear simultaneously, control accuracy reduces the scheduling problem appears, it is not obvious finally to lead to collapsing the effect of boiling, influence rice culinary art effect.
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 is to provide a control method of a cooking appliance.
Another aspect of the present invention is to provide a control apparatus of a cooking appliance.
Yet another aspect of the present invention is to provide a cooking appliance.
Yet another aspect of the present invention is to provide a computer-readable storage medium.
In view of the above, according to an aspect of the present invention, there is provided a method of controlling a cooking appliance, the cooking appliance including a cooking container and a cover assembly, the cover assembly being provided with a first exhaust valve and an exhaust port, the method comprising: controlling the first exhaust valve to close the exhaust port so as to enable the cooking container to be in a closed state; the first exhaust valve is adjusted to adjust the internal pressure of the cooking vessel while operating.
According to the control method of the cooking appliance, when a certain condition is reached, the first exhaust valve is controlled to apply pressure to press the exhaust port, so that the cooking container is in a closed state, the temperature in the cooking container continuously rises, the pressure also continuously rises, and when the internal pressure of the cooking container is greater than the downward pressure of the first exhaust valve on the exhaust port, the first exhaust valve is lifted upwards by steam in the cooking container to open the exhaust port, and the steam in the cooking container is discharged through the exhaust port. By adjusting the first exhaust valve, different pressures applied to the exhaust port by the first exhaust valve are obtained, and multi-stage pressure change of the cooking container is realized, so that the optimal bumping effect is achieved, the problem of rice agglomeration is improved, and the rice cooking effect is improved.
According to the control method of the cooking appliance of the invention, the following technical characteristics can be provided:
in the technical scheme, the first exhaust valve comprises a driving part and a sealing part, wherein the driving part is used for driving the sealing part to close the exhaust port and adjusting the pressure applied to the exhaust port by the first exhaust valve; adjust first exhaust valve, specifically include: and according to the control signal, the driving part is controlled to drive the sealing part, and the pressure applied to the exhaust port by the first exhaust valve is adjusted.
In this technical scheme, first exhaust valve includes drive division and sealing, and according to control signal control drive division produces different effort to the sealing, and then obtains the different pressures that first exhaust valve applyed to the gas vent, can realize the collapsing effect of boiling of multistage vary voltage at the in-process of cooking. The control signal may be a pulse width modulation signal, and the input voltage of the driving unit is adjusted by the pulse width modulation signal to change the pressure applied to the exhaust port by the first exhaust valve.
The intensity of the bumping can be gradually reduced along with the cooking, so that the control signal can be adjusted to gradually reduce the pressure applied to the air outlet by the first air outlet valve, thereby avoiding the rice from being overcooked due to the high-intensity bumping for a long time.
In any of the above technical solutions, the step of controlling the first exhaust valve to close the exhaust port to make the cooking container in a closed state specifically includes: controlling heating of the cooking container; and controlling the first exhaust valve to close the exhaust port according to the heating time and/or the temperature in the cooking container so as to enable the cooking container to be in a closed state.
In any of the above technical solutions, the step of controlling the first exhaust valve to close the exhaust port according to the heating time and/or the temperature in the cooking container to make the cooking container in a closed state specifically includes: judging whether the heating time is greater than or equal to a pre-stored time threshold value and/or whether the temperature is greater than or equal to a pre-stored temperature threshold value; and when the heating time is greater than or equal to a time threshold and/or the temperature is greater than or equal to a temperature threshold, controlling the first exhaust valve to close the exhaust port so as to enable the cooking container to be in a closed state.
In the technical scheme, the pre-stored temperature threshold value can be greater than or equal to 95 ℃, and when the temperature in the cooking container is greater than or equal to 95 ℃ and/or the heating time of the cooking container is greater than the pre-stored time threshold value, the first exhaust valve is controlled to close the exhaust port, so that the rice is enabled to absorb water at a high enough temperature or for a sufficient time before the rice is boiled, and the cooking effect of the rice is improved.
In any of the above technical solutions, the method further includes: and when the heating time is greater than or equal to the time threshold and/or the temperature is greater than or equal to the temperature threshold, increasing the heating power for heating the cooking container.
In the technical scheme, when the heating time is greater than or equal to the time threshold and/or the temperature is greater than or equal to the temperature threshold, the heating power for heating the cooking container is increased, so that the pressure in the cooking container is rapidly increased, and the bumping effect is rapidly and better realized.
In any of the above technical solutions, the cover plate assembly further has a second exhaust valve, and the control method of the cooking appliance further includes: and regulating the internal pressure of the cooking container during operation by using the second exhaust valve.
In this technical scheme, the apron subassembly still is provided with the second discharge valve, and the second discharge valve can regard as the relief valve to use, breaks down when cooking utensil, and if the gas vent is stifled, the pressure in the cooking container rises, and the accessible second discharge valve carries out the pressure release, avoids the cooking container internal pressure too big to cause the damage to cooking utensil. Meanwhile, the heating power of the cooking container can be reduced, the pressure in the cooking container is further reduced, and the damage to the cooking utensil is avoided.
The second exhaust valve comprises a seat body and a pressure relief piece, the seat body is provided with a pressure relief channel communicated with the cooking container, a pressure relief opening is formed in one end of the pressure relief channel, the pressure relief piece is movably arranged on the pressure relief opening, when the pressure in the cooking container rises, the steam in the cooking container jacks up the pressure relief piece through the pressure relief channel, and therefore the steam in the cooking container is discharged from the pressure relief opening.
According to another aspect of the present invention, a control device for a cooking appliance is provided, which includes a processor, and the processor executes a computer program to implement the control method for a cooking appliance according to any one of the above technical solutions.
The control device for a cooking appliance according to the present invention can realize the control method for a cooking appliance according to any one of the above-described embodiments, and therefore has all the advantageous technical effects of the control method for a cooking appliance according to any one of the above-described embodiments.
According to still another aspect of the present invention, there is provided a cooking appliance including: a cooking vessel; the cover plate assembly comprises an exhaust port and a first exhaust valve; and a control device of a cooking appliance as described above, the control device of the cooking appliance being configured to generate a control signal; the first exhaust valve is connected to a control device of the cooking appliance, and the first exhaust valve is configured to close the exhaust port in response to a control signal so as to enable the cooking container to be in a closed state, and to adjust the internal pressure of the cooking container during operation.
According to the cooking appliance provided by the invention, when a certain condition is reached, the control device of the cooking appliance controls the first exhaust valve to apply pressure to press the exhaust port, so that the cooking container is in a closed state, the temperature in the cooking container continuously rises, the pressure also continuously rises, and when the internal pressure of the cooking container is greater than the downward pressure applied to the exhaust port by the first exhaust valve, the first exhaust valve is lifted upwards by steam in the cooking container to open the exhaust port, and the steam in the cooking container is discharged through the exhaust port. The first exhaust valve is adjusted through the control device of the cooking appliance, different pressures applied to the exhaust port by the first exhaust valve are obtained, and multistage pressure transformation on the cooking container is achieved, so that the optimal bumping effect is achieved, the problem of rice agglomeration is solved, and the rice cooking effect is improved.
According to the cooking utensil of the invention, the following technical characteristics can be provided:
in the above technical solution, the first exhaust valve includes: a sealing part arranged opposite to the exhaust port; and the driving part is connected with the sealing part and the control device of the cooking appliance and is configured to respond to the control signal to drive the sealing part and adjust the pressure applied to the exhaust port by the first exhaust valve.
In this technical scheme, first exhaust valve includes drive division and sealing, and according to control signal control drive division produces different effort to the sealing, and then obtains the different pressures that first exhaust valve applyed to the gas vent, can realize the collapsing effect of boiling of multistage vary voltage at the in-process of cooking. The control signal may be a pulse width modulation signal, and the input voltage of the driving unit is adjusted by the pulse width modulation signal to change the pressure applied to the exhaust port by the first exhaust valve.
The intensity of the bumping can be gradually reduced along with the cooking, so that the control signal can be adjusted to gradually reduce the pressure applied to the air outlet by the first air outlet valve, thereby avoiding the rice from being overcooked due to the high-intensity bumping for a long time.
In any of the above technical solutions, the cover plate assembly further includes: a second exhaust valve configured to regulate an internal pressure of the cooking vessel while operating.
In this technical scheme, the apron subassembly still is provided with the second discharge valve, and the second discharge valve can regard as the relief valve to use, breaks down when cooking utensil, and if the gas vent is stifled, the pressure in the cooking container rises, and the accessible second discharge valve carries out the pressure release, avoids the cooking container internal pressure too big to cause the damage to cooking utensil. Meanwhile, the heating power of the cooking container can be reduced, the pressure in the cooking container is further reduced, and the damage to the cooking utensil is avoided.
In any of the above aspects, the second exhaust valve comprises: the base body is provided with a pressure relief channel communicated with the cooking container, and one end of the pressure relief channel forms a pressure relief opening; the pressure relief piece is movably arranged on the pressure relief opening, the pressure of the inside of the cooking container to the pressure relief piece is greater than the gravity of the pressure relief piece when the cooking container works, the pressure relief piece is jacked up by steam in the cooking container through the pressure relief channel, and the steam in the cooking container is released out through the pressure relief opening.
In this technical scheme, the second discharge valve includes pedestal and pressure release spare, and the pedestal has the pressure release passageway that communicates in cooking container, and the one end of pressure release passageway forms the pressure release mouth, and the pressure release spare is movably set up on the pressure release mouth, and when the pressure rise in the cooking container, the steam in the cooking container through pressure release passageway with pressure release spare jack-up to discharge the steam in the cooking container in the pressure release mouth.
In any of the above technical solutions, the method further includes: the temperature sensor is connected to the control device of the cooking appliance and configured to collect the temperature in the cooking container and feed back the temperature to the control device of the cooking appliance.
In this technical scheme, temperature sensor gathers the temperature in the cooking container and feeds back to cooking utensil's controlling means for cooking utensil's controlling means when this temperature is greater than or equal to 95 ℃, controls first exhaust valve and pushes down the gas vent and make cooking container be in the encapsulated situation, ensures to make rice absorb water under the high enough temperature before bumping, improves rice culinary art effect.
In any of the above technical solutions, the method further includes: and the heating assembly is connected to the control device of the cooking appliance and is configured to heat the cooking container according to the specified heating power.
In this technical scheme, heating element heats the cooking container, cooks rice. When the heating time is greater than or equal to the time threshold and/or the temperature of the cooking container is greater than or equal to the temperature threshold, the heating power for heating the cooking container is continuously increased, so that the pressure in the cooking container is rapidly increased, and the bumping effect is achieved more quickly and better. When the cooking appliance breaks down, if the exhaust port is blocked, the heating power of the cooking container is reduced, so that the pressure in the cooking container is reduced, and the phenomenon that the cooking appliance is damaged due to the overlarge pressure in the cooking container is avoided.
In any of the above technical solutions, the method further includes: the air exhaust channel is communicated with the cooking container; the electromagnetic valve is connected to a control device of the cooking appliance, is arranged at one end of the air exhaust channel close to the cooking container, and is configured to be switched on or switched off; the air extracting pump is connected to the control device of the cooking appliance, arranged at the other end of the air extracting channel and configured to extract steam in the cooking container outwards.
In the technical scheme, when the cooking container is not boiled, the control device of the cooking appliance controls the electromagnetic valve and the air extracting pump to extract the steam in the cooking container outwards through the air extracting channel so as to realize the negative pressure state in the cooking container, improve the water absorption rate of food and accelerate the water absorption speed.
According to a further aspect of the present invention, a computer-readable storage medium is proposed, on which a computer program is stored, which computer program, when being executed by a processor, realizes the steps of the method for controlling a cooking appliance according to any one of the above-mentioned technical solutions.
The present invention provides a computer-readable storage medium, wherein a computer program is executed by a processor to implement the steps of the method for controlling a cooking appliance according to any one of the above-mentioned technical solutions, and therefore the computer-readable storage medium includes all the advantageous effects of the method for controlling a cooking appliance according to any one of the above-mentioned technical solutions.
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. 1 is a flowchart illustrating a control method of a cooking appliance according to a first embodiment of the present invention;
fig. 2 is a flowchart illustrating a control method of a cooking appliance according to a second embodiment of the present invention;
fig. 3 is a flowchart illustrating a control method of a cooking appliance according to a third embodiment of the present invention;
fig. 4 shows a schematic structural view of a first cooking appliance of the present invention;
fig. 5 is a schematic view showing a second cooking appliance of the present invention;
fig. 6 is a schematic view showing a third cooking appliance according to the present invention;
fig. 7 shows a schematic view of the structure of the exhaust valve of the cooking appliance of the present invention;
fig. 8 shows a schematic structural view of a cover plate assembly of the cooking appliance of the present invention;
FIG. 9 shows a schematic flow diagram of the multi-stage voltage transformation method of the present invention;
fig. 10 shows a schematic diagram of the temperature variation and pressure variation of the multi-stage pressure swing method of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 4 to 8 is:
100 cooking containers, 200 cooking utensil control devices, 300 cover plate assemblies, 400 pulse width modulation control devices, 500 heating assemblies, 600 detection assemblies, 700 battery assemblies, 302 air extraction assemblies, 3002 air extraction pumps, 3004 air extraction channels, 3006 solenoid valves, 304 first exhaust valves, 3042 sealing parts, 3044 driving parts, 306 second exhaust valves, 3602 seat bodies, 3604 pressure relief parts, 308 pressure assemblies, 310 cover plates, 312 exhaust ports, 314 sealing ring pressing rings and 316 sealing rings.
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 of the present invention and features of the embodiments 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 to the specific embodiments disclosed below.
In an embodiment of the first aspect of the present invention, a control method of a cooking appliance is provided, and the control method of the cooking appliance is described in detail by the following embodiments.
First embodiment, a cooking appliance includes a cooking container and a cover assembly provided with a first exhaust valve and an exhaust port, and fig. 1 is a flowchart illustrating a control method of the cooking appliance according to a first embodiment of the present invention. Wherein, the method comprises the following steps:
the first exhaust valve is adjusted 104 to regulate the internal pressure of the cooking vessel while operating.
According to the control method of the cooking appliance, when a certain condition is reached, the first exhaust valve is controlled to apply pressure to press the exhaust port, so that the cooking container is in a closed state, the temperature in the cooking container continuously rises, the pressure also continuously rises, and when the internal pressure of the cooking container is greater than the downward pressure of the first exhaust valve on the exhaust port, the first exhaust valve is lifted upwards by steam in the cooking container to open the exhaust port, and the steam in the cooking container is discharged through the exhaust port. By adjusting the first exhaust valve, different pressures applied to the exhaust port by the first exhaust valve are obtained, and multi-stage pressure change of the cooking container is realized, so that the optimal bumping effect is achieved, the problem of rice agglomeration is improved, and the rice cooking effect is improved.
In the above embodiment, the first exhaust valve includes the driving portion and the sealing portion, and the driving portion is configured to drive the sealing portion to close the exhaust port, and to adjust the pressure applied to the exhaust port by the first exhaust valve. Step 104, adjusting the first exhaust valve to adjust the internal pressure of the cooking container during working, specifically comprising: according to the control signal, the driving part is controlled to drive the sealing part, and the pressure applied to the exhaust port by the first exhaust valve is adjusted so as to adjust the internal pressure of the cooking container during working.
In this embodiment, the first exhaust valve includes drive division and sealing, and according to control signal control drive division produces different effort to the sealing, and then obtains the different pressure that first exhaust valve applyed to the gas vent, can realize the collapsing boiling effect of multistage vary voltage in the process of cooking. The control signal may be a pulse width modulation signal, and the input voltage of the driving unit is adjusted by the pulse width modulation signal to change the pressure applied to the exhaust port by the first exhaust valve.
The intensity of the bumping can be gradually reduced along with the cooking, so that the control signal can be adjusted to gradually reduce the pressure applied to the air outlet by the first air outlet valve, thereby avoiding the rice from being overcooked due to the high-intensity bumping for a long time.
Second embodiment, a cooking appliance includes a cooking container and a cover assembly provided with a first exhaust valve and an exhaust port, and fig. 2 is a flowchart illustrating a control method of the cooking appliance according to a second embodiment of the present invention. Wherein, the method comprises the following steps:
the first vent valve is adjusted 206 to adjust the internal pressure of the cooking vessel while operating.
In step 204, the first exhaust valve is controlled to close the exhaust port according to the heating time and/or the temperature in the cooking container, so that the cooking container is in a closed state, specifically including: judging whether the heating time is greater than or equal to a pre-stored time threshold value and/or whether the temperature is greater than or equal to a pre-stored temperature threshold value; and when the heating time is greater than or equal to a time threshold and/or the temperature is greater than or equal to a temperature threshold, controlling the first exhaust valve to close the exhaust port so as to enable the cooking container to be in a closed state.
In this embodiment, the pre-stored temperature threshold may be greater than or equal to 95 ℃, and when the temperature in the cooking container is greater than or equal to 95 ℃ and/or the heating time of the cooking container is greater than the pre-stored time threshold, the first exhaust valve is controlled to close the exhaust port, so as to ensure that the rice absorbs water at a sufficiently high temperature or for a sufficient time before the rice is boiled, and improve the cooking effect of the rice.
In any of the above embodiments, further comprising: and when the heating time is greater than or equal to the time threshold and/or the temperature is greater than or equal to the temperature threshold, increasing the heating power for heating the cooking container.
In this embodiment, when the heating time is greater than or equal to the time threshold and/or the temperature is greater than or equal to the temperature threshold, the heating power for heating the cooking container is increased, so that the pressure in the cooking container is rapidly increased, and the bumping effect is achieved more quickly and better.
In the above embodiment, the first exhaust valve includes the driving portion and the sealing portion, and the driving portion is configured to drive the sealing portion to close the exhaust port, and to adjust the pressure applied to the exhaust port by the first exhaust valve. Step 206, adjusting the first exhaust valve to adjust the internal pressure of the cooking container during operation, specifically including: according to the control signal, the driving part is controlled to drive the sealing part, and the pressure applied to the exhaust port by the first exhaust valve is adjusted so as to adjust the internal pressure of the cooking container during working.
Third embodiment, a cooking appliance includes a cooking container and a cover assembly provided with a first exhaust valve, a second exhaust valve and an exhaust port, and fig. 3 is a flowchart illustrating a control method of the cooking appliance according to a third embodiment of the present invention. Wherein, the method comprises the following steps:
and step 306, adjusting the internal pressure of the cooking container during operation by using the second exhaust valve.
In this embodiment, the apron subassembly still is provided with the second discharge valve, and the second discharge valve can regard as the relief valve to use, and when cooking utensil broke down, if the gas vent was blocked up, the pressure in the cooking container rose, and the accessible second discharge valve carries out the pressure release, avoids the cooking container internal pressure too big to cause the damage to cooking utensil. Meanwhile, the heating power of the cooking container can be reduced, the pressure in the cooking container is further reduced, and the damage to the cooking utensil is avoided.
The second exhaust valve comprises a seat body and a pressure relief piece, the seat body is provided with a pressure relief channel communicated with the cooking container, a pressure relief opening is formed in one end of the pressure relief channel, the pressure relief piece is movably arranged on the pressure relief opening, when the pressure in the cooking container rises, the steam in the cooking container jacks up the pressure relief piece through the pressure relief channel, and therefore the steam in the cooking container is discharged from the pressure relief opening.
In the above embodiment, the first exhaust valve includes the driving portion and the sealing portion, and the driving portion is configured to drive the sealing portion to close the exhaust port, and to adjust the pressure applied to the exhaust port by the first exhaust valve. Step 304, adjusting the first exhaust valve to adjust the internal pressure of the cooking container during operation, specifically comprising: according to the control signal, the driving part is controlled to drive the sealing part, and the pressure applied to the exhaust port by the first exhaust valve is adjusted so as to adjust the internal pressure of the cooking container during working.
In the above embodiment, step 302, controlling the first exhaust valve to close the exhaust port so as to make the cooking container in a closed state specifically includes: controlling heating of the cooking container; and controlling the first exhaust valve to close the exhaust port according to the heating time and/or the temperature in the cooking container so as to enable the cooking container to be in a closed state.
In an embodiment of the second aspect of the present invention, a control device for a cooking appliance is provided, which includes a processor, and when the processor executes a computer program, the processor implements the control method for the cooking appliance according to any one of the above embodiments.
The control device for a cooking appliance provided by the invention can realize the control method for a cooking appliance of any one of the embodiments, so that the control device has all the beneficial technical effects of the control method for a cooking appliance of any one of the embodiments.
In an embodiment of the third aspect of the present invention, a cooking appliance is provided, and fig. 4 to 8 show schematic structural diagrams of the cooking appliance of the present invention. Wherein, this cooking utensil includes:
a cooking container 100;
a cover assembly 300, the cover assembly 300 including an exhaust port 312 and a first exhaust valve 304; and
as the control device 200 of the cooking appliance of the above embodiment, the control device 200 of the cooking appliance is configured to be able to generate a control signal;
the first exhaust valve 304 is connected to the control device 200 of the cooking appliance, and the first exhaust valve 304 is configured to close the exhaust port 312 in response to a control signal to enable the cooking container 100 to be in a closed state, and to adjust the internal pressure of the cooking container 100 during operation.
According to the cooking appliance provided by the invention, when a certain condition is reached, the control device 200 of the cooking appliance controls the first exhaust valve 304 to apply pressure to press the exhaust port 312, so that the cooking container 100 is in a closed state, the temperature in the cooking container 100 continuously rises, the pressure also continuously rises, and when the internal pressure of the cooking container 100 is greater than the downward pressure applied to the exhaust port 312 by the first exhaust valve 304, the steam in the cooking container 100 lifts the first exhaust valve 304 upwards to open the exhaust port 312, and the steam in the cooking container 100 is discharged through the exhaust port 312. The first exhaust valve 304 is adjusted by the control device 200 of the cooking appliance to obtain different pressures applied to the exhaust port 312 by the first exhaust valve 304, so that multi-stage pressure change of the cooking container 100 is realized, an optimal bumping effect is achieved, the problem of rice agglomeration is improved, and the rice cooking effect is improved.
As shown in fig. 7, the first exhaust valve 304 includes:
a sealing portion 3042, the sealing portion 3042 being disposed opposite to the exhaust port 312;
the driving portion 3044, the driving portion 3044 is connected to the sealing portion 3042 and the control device 200 of the cooking appliance, and the driving portion 3044 is configured to drive the sealing portion 3042 in response to a control signal, and adjust the pressure applied by the first exhaust valve 304 to the exhaust port 312, so as to achieve a multi-level pressure-varying bumping effect during cooking. The control signal may be a pulse width modulation signal, and the pulse width modulation signal is used to adjust the input voltage of the driving portion 3044 to change the pressure applied by the first exhaust valve 304 to the exhaust port 312.
As cooking progresses, the intensity of the bumping may gradually decrease, and thus, the control signal may be adjusted to gradually decrease the pressure applied by the first exhaust valve 304 to the exhaust port 312, thereby avoiding the rice from being overcooked due to the high intensity bumping for a long time.
As shown in fig. 6, the cap plate assembly further includes: a second exhaust valve 306, the second exhaust valve 306 being configured to regulate an internal pressure of the cooking container 100 when in operation. The second exhaust valve 306 can be used as a safety valve, when the cooking appliance fails, for example, the exhaust port is blocked, the pressure in the cooking container 100 rises, and the pressure can be relieved through the second exhaust valve 306, so that the damage to the cooking appliance caused by the overlarge pressure in the cooking container 100 is avoided. Meanwhile, the heating power of the cooking container 100 can be reduced, so that the pressure in the cooking container 100 can be reduced, and the damage of the cooking appliance can be avoided.
The second exhaust valve 306 includes: a base body 3602, wherein the base body 3602 is provided with a pressure relief channel communicated with the cooking container 100, and one end of the pressure relief channel forms a pressure relief opening;
the pressure relief piece 3604 and the pressure relief piece 3604 are movably arranged on the pressure relief opening, when the cooking container 100 works, the pressure of the inside on the pressure relief piece is larger than the gravity of the pressure relief piece, the pressure relief piece 3604 is jacked up by steam in the cooking container 100 through the pressure relief channel, and therefore the steam in the cooking container 100 is discharged through the pressure relief opening.
The first exhaust valve 304 and the second exhaust valve 306 collectively comprise a pressure assembly 308.
As shown in fig. 5, the cooking appliance further includes: a pwm control apparatus 400, a temperature sensor (not shown), a heating assembly 500, a detection assembly 600, and a battery assembly 700.
The pwm signal may be generated by a separate pwm control apparatus 400.
The temperature sensor is connected to the control device 200 of the cooking appliance, and the temperature sensor is configured to collect the temperature inside the cooking container 100 and feed back to the control device 200 of the cooking appliance. The temperature sensor collects the temperature in the cooking container 100 and feeds the temperature back to the control device 200 of the cooking appliance, so that when the temperature is higher than or equal to 95 ℃, the control device 200 of the cooking appliance controls the first exhaust valve 304 to press the exhaust port 312 downwards to enable the cooking container 100 to be in a closed state, water is absorbed by rice at a high enough temperature before bumping, and the cooking effect of rice is improved.
A heating assembly 500, the heating assembly 500 being connected to the control device 200 of the cooking appliance, the heating assembly 500 being configured to heat the cooking container 100 at a designated heating power. The heating assembly 500 heats the cooking container 100 to cook rice. When the heating time is greater than or equal to the time threshold and/or the temperature of the cooking container 100 is greater than or equal to the temperature threshold, the heating power for heating the cooking container 100 is continuously increased, so that the pressure in the cooking container 100 is rapidly increased, and the bumping effect is achieved more quickly and better. When the cooking appliance fails, for example, the exhaust port 312 is blocked, the heating power to the cooking container 100 is reduced, so that the pressure in the cooking container 100 is reduced, and the damage to the cooking appliance caused by the excessive pressure in the cooking container 100 is avoided.
As shown in fig. 4, the lid assembly 300 further includes an air extracting assembly 302, the air extracting assembly 302 includes an air extracting pump 3002, an air extracting channel 3004, and an electromagnetic valve 3006, the air extracting channel 3004 is communicated with the cooking container 100, the electromagnetic valve 3006 is connected to the control device 200 of the cooking appliance, the electromagnetic valve 3006 is disposed at one end of the air extracting channel 3004 close to the cooking container 100, the electromagnetic valve 3006 is configured to turn on or off the air extracting channel 3004, the air extracting pump 3002 is connected to the control device 200 of the cooking appliance, the air extracting pump 3002 is disposed at the other end of the air extracting channel 3004, and the air extracting pump 3002 is configured to extract steam in the cooking. When the cooking container 100 is not boiled, the controller 200 of the cooking appliance controls the solenoid valve 3006 and the suction pump 3002 to draw the steam in the cooking container 100 outward through the suction passage 3004, so as to achieve a negative pressure state in the cooking container 100, increase the water absorption rate of the food, and accelerate the water absorption speed.
As shown in fig. 8, the cap plate assembly 300 further includes: cover plate 310, seal ring clamping ring 314, seal ring 316.
In some embodiments, the cooking appliance may be an electric cooker, and the embodiment of implementing multi-stage transformation during the cooking stage is as follows:
the calculation formula based on the electromagnet holding force F is shown in formula (1),
wherein, mu0Magnetic permeability of 410 Henry/m, S0Is the area of breath (mm)2) D is the diameter (mm) of the enameled wire, U is the input voltage (V) of the electromagnet, rho is the resistivity of copper and is 0.0178 omega mm2/m，D2Is the outer diameter (mm) of the winding wire D1The inner diameter (mm) of the winding and delta is the stroke (mm). The change of the magnitude of the holding force F can be realized by changing the input voltage U of the electromagnet; as can be seen from table 1, the holding force of the electromagnet is controllable by PWM (Pulse Width Modulation) power reduction control.
TABLE 1
| PWM control | Full-function suction | 75% PWM pull-in | 50% PWM pull-in |
| Holding power of electromagnet | 200g | 150g | 100g |
Fig. 9 shows a schematic flow chart of the multi-stage pressure transformation method of the present invention, and fig. 10 shows a schematic temperature change and pressure change of the multi-stage pressure transformation method of the present invention, wherein the cooking stage of the electric cooker comprises a water absorption stage, a boiling stage and a stewing stage, and the cooking container 100 is evacuated by the evacuation component 302 within a time period t1 to realize a negative pressure state. When the electric cooker enters a rice cooking boiling stage, the control program controls the heating assembly 500 to heat the cooking container 100, and the temperature sensor detects the temperature in the cooking container 100. Whether the temperature reaches a set value K1 (for example, K1 is 95 ℃) or not is judged, when the temperature reaches a set value K1, the control program sends out an electric signal to control a driving part 3044 (for example, an electromagnet) of the first exhaust valve 304 to be electrified and sucked, the sealing part 3042 is blocked on the exhaust port 312, an upward acting force (namely, the retention force F of the electromagnet) is generated on the sealing part 3042 through the PWM power reduction control driving part 3044, if F is 100 grams force, and the pressure value corresponding to the exhaust hole with the diameter of 8 mm is 18 kilopascals. The heating amount is controlled, that is, the control program controls the heating assembly 500 to perform power adjustment heating, so that the temperature in the cooking container 100 is rapidly increased, and the bumping is accelerated. Whether the pressure in the cooking container 100 is greater than the holding force of the electromagnet is judged, when the pressure in the cooking container 100 is greater than 18 kpa, the force acting on the sealing part 3042 through the air outlet 312 is greater than 100 grams force, the driving part 3044 is pushed open by the steam in the cooking container 100, and the steam is exhausted from the air outlet 312 to relieve pressure and realize bumping. Different holding forces of the electromagnet can be obtained through PWM power reduction control, and the multi-stage variable-voltage bumping effect is realized in the process of cooking.
As shown in fig. 10, the time period t2 is from the time when the control program controls the heating assembly 500 to start heating the cooking container 100 until bumping is achieved, and the pressure can be maintained for a period of time when the pressure in the cooking container 100 reaches 1.25 atm during the time period t 2. Control over a plurality of t2 time periods may be achieved according to actual requirements.
Embodiments of the fourth aspect of the present invention propose a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the control method of the cooking appliance as in any of the above embodiments.
The present invention provides a computer-readable storage medium, which when executed by a processor implements the steps of the control method of a cooking appliance according to any of the above embodiments, and therefore includes all the advantageous effects of the control method of a cooking appliance according to any of the above embodiments.
In the description herein, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly stated or limited otherwise; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. 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 (15)
1. A method of controlling a cooking appliance, the cooking appliance including a cooking container and a cover assembly provided with a first exhaust valve and an exhaust port, the method comprising:
controlling the first exhaust valve to close the exhaust port so that the cooking container is in a closed state;
adjusting the first exhaust valve to adjust the internal pressure of the cooking vessel during operation.
2. The control method of the cooking appliance according to claim 1, wherein the first exhaust valve comprises a driving part and a sealing part, the driving part is used for driving the sealing part to close the exhaust port, and the pressure applied to the exhaust port by the first exhaust valve is adjusted; adjust first exhaust valve specifically includes:
and controlling the driving part to drive the sealing part according to a control signal, and adjusting the pressure applied to the exhaust port by the first exhaust valve.
3. The method for controlling the cooking appliance according to claim 1 or 2, wherein the step of controlling the first exhaust valve to close the exhaust port so as to enable the cooking container to be in a closed state specifically comprises:
controlling heating of the cooking container;
and controlling the first exhaust valve to close the exhaust port according to the heating time and/or the temperature in the cooking container so as to enable the cooking container to be in a closed state.
4. The method for controlling a cooking appliance according to claim 3, wherein the step of controlling the first exhaust valve to close the exhaust port according to the heating time and/or the temperature in the cooking container so as to enable the cooking container to be in a closed state specifically comprises:
judging whether the heating time is greater than or equal to a pre-stored time threshold value and/or whether the temperature is greater than or equal to a pre-stored temperature threshold value;
when the heating time is greater than or equal to the time threshold and/or the temperature is greater than or equal to the temperature threshold, controlling the first exhaust valve to close the exhaust port so as to enable the cooking container to be in a closed state.
5. The method of controlling a cooking appliance according to claim 4, further comprising:
when the heating time is larger than or equal to the time threshold and/or the temperature is larger than or equal to the temperature threshold, the heating power for heating the cooking container is increased.
6. The control method of a cooking appliance according to claim 1 or 2, wherein the cover plate assembly is further provided with a second exhaust valve, the control method of a cooking appliance further comprising:
and adjusting the internal pressure of the cooking container during operation by using the second exhaust valve.
7. A control device of a cooking appliance comprises a processor and is characterized in that,
the processor, when executing a computer program, implements a method of controlling a cooking appliance according to any one of claims 1 to 6.
8. A cooking appliance, comprising:
a cooking vessel;
a cover plate assembly including an exhaust port and a first exhaust valve; and
the control device of the cooking appliance of claim 7, configured to generate a control signal;
the first exhaust valve is connected to a control device of the cooking appliance, and is configured to close the exhaust port in response to the control signal so as to enable the cooking container to be in a closed state, and adjust the internal pressure of the cooking container during operation.
9. The cooking appliance of claim 8, wherein the first exhaust valve comprises:
a sealing portion disposed opposite to the exhaust port;
a driving part connected to the sealing part and a control device of the cooking appliance, the driving part being configured to drive the sealing part in response to the control signal to adjust the pressure applied by the first exhaust valve to the exhaust port.
10. The cooking appliance of claim 8, wherein the lid assembly further comprises:
a second vent valve configured to regulate an internal pressure of the cooking vessel while operating.
11. The cooking appliance of claim 10, wherein the second exhaust valve comprises:
the base body is provided with a pressure relief channel communicated with the cooking container, and one end of the pressure relief channel forms a pressure relief opening;
the pressure relief piece is movably arranged on the pressure relief opening, the pressure of the interior of the cooking container on the pressure relief piece is larger than the gravity of the pressure relief piece when the cooking container works, the pressure relief piece is jacked up by steam in the cooking container through the pressure relief channel, and the steam in the cooking container is discharged through the pressure relief opening.
12. The cooking appliance of claim 8, further comprising:
a temperature sensor connected to a control device of the cooking appliance, the temperature sensor configured to collect a temperature within the cooking container and feed back to the control device of the cooking appliance.
13. The cooking appliance according to any one of claims 8 to 12, further comprising:
a heating assembly connected to a control device of the cooking appliance, the heating assembly being configured to heat the cooking container at a specified heating power.
14. The cooking appliance according to any one of claims 8 to 12, further comprising:
the air exhaust channel is communicated with the cooking container;
the electromagnetic valve is connected to a control device of the cooking appliance, is arranged at one end of the air exhaust channel close to the cooking container, and is configured to be switched on or switched off;
the air suction pump is connected to the control device of the cooking appliance, is arranged at the other end of the air suction channel and is configured to suck the steam in the cooking container outwards.
15. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements a method of controlling a cooking appliance according to any one of claims 1 to 6.
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