CN108402888B - Electric pressure cooker and cooking control method thereof - Google Patents
Electric pressure cooker and cooking control method thereof Download PDFInfo
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- CN108402888B CN108402888B CN201710073758.1A CN201710073758A CN108402888B CN 108402888 B CN108402888 B CN 108402888B CN 201710073758 A CN201710073758 A CN 201710073758A CN 108402888 B CN108402888 B CN 108402888B
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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
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
Abstract
The invention discloses an electric pressure cooker and a cooking control method thereof, wherein the method comprises the following steps: controlling the electric pressure cooker to enter a heating stage, and detecting the temperature or pressure in a cooking cavity of the electric pressure cooker; when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition, acquiring the total working time of a heating device of the electric pressure cooker in a heating stage, and controlling the electric pressure cooker to enter a pressure maintaining stage; the required pressure maintaining time is obtained according to the total working time of the heating device in the heating stage, and the electric pressure cooker is controlled to enter the pressure reduction stage when the time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time, so that the pressure maintaining time of the pressure maintaining stage can be adjusted according to the total working time of the heating stage, the total cooking time of the electric pressure cooker is shortened, the user experience is improved, and the competitiveness of products is improved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a cooking control method of an electric pressure cooker and the electric pressure cooker.
Background
In the related art, the electric pressure cooker usually maintains a preset pressure for a preset time after entering a pressure maintaining stage, then controls the heating device to stop heating, and controls the exhaust device to exhaust until the pressure in the cooker is reduced to zero, and the cover can be opened for eating.
However, the related art has disadvantages that the preset time for maintaining the preset pressure is a fixed value, and since the exhaust process of the electric pressure cooker is slow and the exhaust time required for the larger amount of food is longer, the total cooking time of the electric pressure cooker is longer and the user experience is poorer.
Therefore, improvements are needed in the related art.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, an object of the present invention is to provide a cooking control method of an electric pressure cooker, which can shorten the total cooking time of the electric pressure cooker.
Another object of the present invention is to provide an electric pressure cooker.
In order to achieve the above object, an embodiment of the invention provides a cooking control method of an electric pressure cooker, which comprises the following steps: controlling the electric pressure cooker to enter a heating stage, and detecting the temperature or pressure in a cooking cavity of the electric pressure cooker; when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition, acquiring the total working time of a heating device of the electric pressure cooker in the heating stage, and controlling the electric pressure cooker to enter a pressure maintaining stage; and acquiring the required pressure maintaining time according to the total working time of the heating device in the heating stage, and controlling the electric pressure cooker to enter a pressure reduction stage when the time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time.
According to the cooking control method of the electric pressure cooker provided by the embodiment of the invention, the electric pressure cooker is controlled to enter a heating stage, the temperature or the pressure in the cooking cavity of the electric pressure cooker is detected, when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition, the total working time of a heating device of the electric pressure cooker in the heating stage is obtained, the electric pressure cooker is controlled to enter a pressure maintaining stage, the required pressure maintaining time is obtained according to the total working time of the heating device in the heating stage, and the electric pressure cooker is controlled to enter a pressure reducing stage when the pressure maintaining time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time, so that the time of the electric pressure cooker in the pressure maintaining stage can be adjusted according to the working time of the heating device of the electric pressure cooker, the.
According to one embodiment of the invention, the required dwell time is inversely proportional to the total working time of the heating stage.
According to one embodiment of the invention, obtaining the required dwell time in dependence of a total working time of the heating device in the heating phase comprises: and acquiring the heating time period to which the total working time of the heating device in the heating stage belongs, and taking the preset time corresponding to the heating time period to which the heating device belongs as the required pressure maintaining time.
According to an embodiment of the present invention, when the total working time of the heating device in the heating stage is greater than a first time threshold, the corresponding required pressure holding time may be a first preset time; when the total working time of the heating device in the heating stage is greater than a second time threshold and less than or equal to the first time threshold, the corresponding required pressure maintaining time can be a second preset time; when the total working time of the heating device in the heating stage is greater than a third time threshold and less than or equal to the second time threshold, the corresponding required pressure maintaining time can be a third preset time; when the total working time of the heating device in the heating stage is greater than a fourth time threshold and less than or equal to the third time threshold, the corresponding required pressure maintaining time may be a fourth preset time; when the total working time of the heating device in the heating stage is less than or equal to the fourth time threshold, the corresponding required pressure maintaining time may be a fifth preset time; the first preset time is less than the second preset time, the second preset time is less than the third preset time, the third preset time is less than the fourth preset time, and the fourth preset time is less than the fifth preset time.
According to an embodiment of the present invention, the first time threshold may be 16 minutes, the second time threshold may be 13 minutes, the third time threshold may be 10 minutes, and the fourth time threshold may be 7 minutes; the first preset time may be 5 minutes, the second preset time may be 10 minutes, the third preset time may be 15 minutes, the fourth preset time may be 20 minutes, and the fifth preset time may be 25 minutes.
In order to achieve the above object, an embodiment of the present invention provides an electric pressure cooker, including: the timing unit is used for recording the working time of the heating device of the electric pressure cooker in the heating stage; the detection unit is used for detecting the temperature and/or the pressure in the cooking cavity of the electric pressure cooker; the control unit is respectively connected with the timing unit and the detection unit and is used for controlling the electric pressure cooker to enter a heating stage, acquiring the temperature or the pressure in the cooking cavity of the electric pressure cooker, acquiring the total working time of a heating device of the electric pressure cooker in the heating stage when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition, controlling the electric pressure cooker to enter a pressure maintaining stage, acquiring the required pressure maintaining time according to the total working time of the heating device in the heating stage, and controlling the electric pressure cooker to enter a pressure reducing stage when the time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time.
According to the electric pressure cooker provided by the embodiment of the invention, the control unit controls the electric pressure cooker to enter a heating stage, detects the temperature or the pressure in a cooking cavity of the electric pressure cooker, acquires the total working time of a heating device of the electric pressure cooker in the heating stage when the temperature or the pressure in the cooking cavity meets the heating ending condition, controls the electric pressure cooker to enter a pressure maintaining stage, acquires the required pressure maintaining time according to the total working time of the heating device in the heating stage, and controls the electric pressure cooker to enter a pressure reducing stage when the time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time, so that the time of the electric pressure cooker in the pressure maintaining stage can be adjusted according to the working time of the heating device of the electric pressure cooker in the heating stage, the total cooking time of the electric pressure cooker is shortened.
According to one embodiment of the invention, the required dwell time is inversely proportional to the total working time of the heating stage.
According to an embodiment of the present invention, the control unit is further configured to obtain a heating time period to which the total working time of the heating device in the heating stage belongs, and use a preset time corresponding to the heating time period to which the heating device belongs as the required pressure holding time.
According to an embodiment of the present invention, when the total working time of the heating device in the heating stage is greater than a first time threshold, the corresponding required pressure holding time is a first preset time; when the total working time of the heating device in the heating stage is greater than a second time threshold and less than or equal to the first time threshold, the corresponding required pressure maintaining time can be a second preset time; when the total working time of the heating device in the heating stage is greater than a third time threshold and less than or equal to the second time threshold, the corresponding required pressure maintaining time can be a third preset time; when the total working time of the heating device in the heating stage is greater than a fourth time threshold and less than or equal to the third time threshold, the corresponding required pressure maintaining time may be a fourth preset time; when the total working time of the heating device in the heating stage is less than or equal to the fourth time threshold, the corresponding required pressure maintaining time may be a fifth preset time; the first preset time is less than the second preset time, the second preset time is less than the third preset time, the third preset time is less than the fourth preset time, and the fourth preset time is less than the fifth preset time.
According to an embodiment of the present invention, the first time threshold may be 16 minutes, the second time threshold may be 13 minutes, the third time threshold may be 10 minutes, and the fourth time threshold may be 7 minutes; the first preset time may be 5 minutes, the second preset time may be 10 minutes, the third preset time may be 15 minutes, the fourth preset time may be 20 minutes, and the fifth preset time may be 25 minutes.
Drawings
Fig. 1 is a flowchart of a cooking control method of an electric pressure cooker according to an embodiment of the present invention;
FIG. 2 is a flow diagram of a method of obtaining a desired dwell time according to one embodiment of the present invention;
FIG. 3 is a flow chart of a cooking control method of an electric pressure cooker according to an embodiment of the present invention; and
fig. 4 is a block schematic view of an electric pressure cooker according to an embodiment of the present invention.
Reference numerals:
an electric pressure cooker 100, a timing unit 10, a detection unit 20 and a control unit 30.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An electric pressure cooker and a cooking control method thereof according to embodiments of the present invention will be described with reference to the accompanying drawings.
Fig. 1 is a flowchart of a cooking control method of an electric pressure cooker according to an embodiment of the present invention. As shown in fig. 1, the cooking control method of the electric pressure cooker comprises the following steps:
s10: controlling the electric pressure cooker to enter a heating stage, and detecting the temperature or the pressure in the cooking cavity of the electric pressure cooker.
S20: when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition, the total working time of the heating device of the electric pressure cooker in the heating stage is obtained, and the electric pressure cooker is controlled to enter the pressure maintaining stage.
Specifically, when the temperature in the cooking cavity of the electric pressure cooker is greater than or equal to a first preset temperature T1 or the pressure in the cooking cavity of the electric pressure cooker is greater than or equal to a first preset pressure, the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition.
S30: and acquiring the required pressure maintaining time according to the total working time of the heating device in the heating stage, and controlling the electric pressure cooker to enter a pressure reduction stage when the pressure maintaining time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time.
The cooking process of the electric pressure cooker comprises a heating stage, a pressure maintaining stage and a pressure reducing stage, wherein the heating stage is used for rapidly heating an object to be cooked so as to enable the pressure in the electric pressure cooker to rapidly reach a first preset pressure; the pressure maintaining stage is used for controlling the pressure in the electric pressure cooker to be maintained at a second preset pressure so as to improve the taste and the mouthfeel of the object to be cooked; the pressure reduction stage is used for controlling the pressure in the electric pressure cooker to be reduced rapidly through the exhaust device so as to ensure that a user can open the cover rapidly for eating. The cooking parameters of the electric pressure cooker comprise the working time of each cooking stage and the temperature or the pressure in the cooking cavity, wherein the total working time of the heating device of the electric pressure cooker in the heating stage is recorded as tAddingThe time of the electric pressure cooker in the pressure maintaining stage is recorded as tHealth-care productThe time of the electric pressure cooker in the pressure reduction stage is recorded as tDescendThus, electric pressureTotal cooking time t of the potGeneral assembly＝tAdding+tHealth-care product+tDescend。
According to an embodiment of the present invention, the temperature inside the electric pressure cooker can be detected by the temperature detecting device to obtain the pressure inside the electric pressure cooker. Wherein, the temperature detection device can be arranged on the upper cover of the electric pressure cooker.
Specifically, the cooking process of the electric pressure cooker is as follows:
one) heating stage
When the electric pressure cooker is in a heating stage, the heating device is controlled to be started, the electric pressure cooker is heated according to first preset power P1, the total working time of the heating device of the electric pressure cooker in the heating stage is recorded through the timing unit, the temperature or the pressure in a cooking cavity of the electric pressure cooker in the heating stage is detected in real time through the detection unit, and whether the total working time of the heating device in the heating stage is more than or equal to preset heating time t or not is judgedAddingOr whether the temperature in the cooking cavity of the electric pressure cooker is greater than or equal to a first preset temperature T1 or whether the pressure in the cooking cavity of the electric pressure cooker is greater than or equal to a first preset pressure. If the working time of the heating device in the heating stage is more than or equal to the preset heating time tAddingOr the temperature in the cooking cavity of the electric pressure cooker is greater than or equal to the first preset temperature T1 or whether the pressure in the cooking cavity of the electric pressure cooker is greater than or equal to the first preset pressure, namely the cooking parameters of the electric pressure cooker meet the heating end condition, the working time of the heating stage at the moment can be used as the total working time T of the heating device in the heating stageAddingAnd controlling the electric pressure cooker to enter a pressure maintaining stage; if the total operating time t of the heating phaseAddingLess than a predetermined heating time tAddingAnd the temperature in the cooking cavity of the electric pressure cooker is less than the first preset temperature T1, namely the cooking parameters of the electric pressure cooker do not meet the heating ending condition, controlling the heating device to continue heating.
II) pressure maintaining stage
When the electric pressure cooker is in the pressure maintaining stage, firstly, the total working time t of the heating device in the heating stage is determinedAddingObtaining the required pressure maintaining time tp。
According to the inventionOne embodiment, the required dwell time tpAnd the total working time t of the heating device in the heating stageAddingIn an inverse proportional relationship.
In particular, the greater the amount of the object to be cooked in the electric pressure cooker, the total working time t of the heating device of the electric pressure cooker during the heating phaseAddingThe larger the numerical value of the electric pressure cooker is, the time t of the electric pressure cooker in the pressure reduction stage isDescendThe larger the value of (A) and the time t of the electric pressure cooker in the pressure reduction stageDescendIt is sharply increased as the amount of the object to be cooked increases. At the total working time t in the heating stage according to the heating deviceAddingObtaining the required pressure maintaining time tpThe required pressure maintaining time tpAnd the total working time t of the heating device in the heating stageAddingIn inverse proportion, i.e. the total operating time t of the heating device in the heating phaseAddingThe larger the numerical value of the pressure value is, the required pressure maintaining time t of the corresponding electric pressure cooker in the pressure maintaining stage ispThe smaller the numerical value of the pressure value is, the total cooking time t of the electric pressure cooker can be shortened by dynamically adjusting the time of the electric pressure cooker in the pressure maintaining stageGeneral assembly。
According to an embodiment of the invention, obtaining the required dwell time in dependence of the total working time of the heating device in the heating phase comprises: and acquiring the heating time period to which the total working time of the heating device in the heating stage belongs, and taking the preset time corresponding to the heating time period to which the heating device belongs as the required pressure maintaining time.
Specifically, in one embodiment of the present invention, the cooking parameters of the electric pressure cooker further comprise a plurality of time thresholds, i.e. a first time threshold t1To the Nth time threshold tNWhere N is an integer greater than 1, a first time threshold t1Greater than a second time threshold t2Second time threshold t2Greater than a third time threshold t3… …, time threshold value t (N-1)(N-1)Greater than the Nth time threshold tN. According to a first time threshold t1To the Nth time threshold tNDividing (N +1) heating time periods to obtain the total working time t of the heating device in the heating stageAddingThen, the total working time t of the heating stage is judgedAddingAnd each heating time period corresponds to a preset time.
More specifically, the total operating time t when the heating device is in the heating phaseAddingGreater than a first time threshold t1Time, total working time t of heating stageAddingIn the first heating time period, corresponding to the required pressure maintaining time tpCan be a first preset time tp1(ii) a Total working time t when the heating device is in the heating stageAddingIs less than or equal to the first time threshold t1And is greater than a second time threshold t2Time, total working time t of heating stageAddingIn the second heating time period, corresponding to the required pressure maintaining time tpCan be a second preset time tp2(ii) a … …, respectively; total working time t when the heating device is in the heating stageAddingIs less than or equal to (N-1) th time threshold tN-1And is greater than the Nth time threshold tNTime, total working time t of heating stageAddingIn the Nth heating time period, corresponding to the required pressure maintaining time tpMay be the Nth preset time tpN(ii) a Total working time t when the heating device is in the heating stageAddingIs less than or equal to the Nth time threshold tN-1Time, total working time t of heating stageAddingIn the (N +1) th heating time period, corresponding to the required pressure maintaining time tpCan be the (N +1) th preset time tp(N+1)Wherein the first preset time tp1Is less than the second preset time tp2A second preset time tp2Less than a third preset time tp3… …, Nth preset time tpNLess than the (N +1) th preset time tp(N+1)。
According to an embodiment of the present invention, assuming that N is 4, the total operation time t of the heating device in the heating stageAddingGreater than a first time threshold t1Time, corresponding required dwell time tpCan be a first preset time tp1(ii) a Total working time t when the heating device is in the heating stageAddingGreater than a second time threshold t2And is less than or equal to the first time threshold t1Then, the corresponding required pressure maintaining time can be the second preset time tp2(ii) a When the heating device is inTotal working time t of the hot stageAddingGreater than a third time threshold t3And is less than or equal to the second time threshold t2Then, the corresponding required pressure maintaining time can be the third preset time tp3(ii) a Total working time t when the heating device is in the heating stageAddingGreater than a fourth time threshold t4And is less than or equal to a third time threshold t3Then, the corresponding required pressure maintaining time can be the fourth preset time tp4(ii) a Total working time t when the heating device is in the heating stageAddingIs less than or equal to the fourth time threshold t4Then, the corresponding required pressure maintaining time can be the fifth preset time tp5(ii) a Wherein the first preset time tp1Is less than the second preset time tp2A second preset time tp2Less than a third preset time tp3A third preset time tp3Less than the fourth preset time tp4Fourth preset time tp4Less than a fifth preset time tp5。
Preferably, according to a particular embodiment of the invention, the first time threshold t1May be 16 minutes, second time threshold t2May be 13 minutes, third time threshold t3May be 10 minutes, fourth time threshold t4May be 7 minutes; a first preset time tp1May be 5 minutes, the second preset time tp2May be 10 minutes, third preset time tp3May be 15 minutes, a fourth preset time tp4May be 20 minutes, a fifth preset time tp5May be 25 minutes.
As described above, as shown in fig. 2, the total operation time t of the heating device of the electric pressure cooker in the heating stage is shown as N-4AddingObtaining the required pressure maintaining time tpThe method specifically comprises the following steps:
s101: obtaining the total working time t of the heating device in the heating stageAdding。
S102: judging the total working time t of the heating stageAddingWhether it is greater than a first time threshold t1。
If yes, executing step S103; if not, step S104 is executed.
S103: corresponding required pressure holding time tpEqual to the first preset time tp1。
S104: judging the total working time t of the heating stageAddingWhether or not it is greater than the second time threshold t2。
If yes, executing step S105; if not, step S106 is performed.
S105: corresponding required pressure holding time tpEqual to a second preset time tp2。
S106: judging the total working time t of the heating stageAddingWhether or not it is greater than a third time threshold t3。
If yes, go to step S107; if not, step S108 is performed.
S107: corresponding required pressure holding time tpEqual to a third preset time tp3。
S108: judging the total working time t of the heating stageAddingWhether or not it is greater than a fourth time threshold t4。
If yes, go to step S109; if not, step S110 is executed.
S109: corresponding required pressure holding time tpEqual to the fourth preset time tp4。
S110: corresponding required pressure holding time tpEqual to a fifth predetermined time tp5。
More specifically, the required dwell time t is obtainedpThen, the time of the electric pressure cooker in the pressure maintaining stage is recorded through the timing unit, the temperature in the cooking cavity of the electric pressure cooker is detected in real time through the detection unit, and whether the time of the electric pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time t or not is judgedpIf the time of the electric pressure cooker in the pressure maintaining stage is less than the required pressure maintaining time tpIf the temperature in the cooking cavity of the electric pressure cooker is lower than the second preset temperature T2, controlling the heating device to heat according to the second preset power P2; if the temperature in the cooking cavity of the electric pressure cooker is more than or equal to the second preset temperature T2, further judging the electricityWhether the temperature in the cooking cavity of the pressure cooker is more than or equal to a third preset temperature T3 or not is judged, if the temperature in the cooking cavity of the pressure cooker is more than or equal to a third preset temperature T3, the heating device is controlled to stop heating, and whether the time of the pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time T is further judgedp(ii) a If the temperature in the cooking cavity of the electric pressure cooker is less than the third preset temperature T3, whether the time of the electric pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time T is further judgedp. If the time of the electric pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time tpAnd controlling the electric pressure cooker to enter a pressure reduction stage.
Like this, can realize heating repeatedly to make the pressure in the electric pressure cooker keep at the second preset pressure, guarantee to wait to cook the thing such as meat and fully absorb the heat and well done, promote the taste and the taste of waiting to cook the thing.
Third) depressurization step
When the electric pressure cooker is in a pressure reduction stage, a heating device of the electric pressure cooker is controlled to stop heating, the time of the electric pressure cooker in the pressure reduction stage is recorded through a timing unit, the temperature in a cooking cavity when the electric pressure cooker is in a heating stage is detected in real time through a detection unit, the pressure in the electric pressure cooker is obtained according to the current temperature in the cooking cavity, and whether the time of the electric pressure cooker in the pressure reduction stage is more than or equal to a preset pressure reduction time t or not is judgedDescendOr whether the pressure in the electric pressure cooker is zero, if the working time of the pressure-reducing stage is less than the preset pressure-reducing time tDescendIf the pressure in the electric pressure cooker is not zero, controlling the exhaust device to continue exhausting so as to reduce the pressure in the electric pressure cooker; if the working time of the voltage reduction stage is more than or equal to the preset voltage reduction time tDescendOr if the pressure in the electric pressure cooker is zero, controlling the electric pressure cooker to finish cooking.
Therefore, the cooking control method of the electric pressure cooker provided by the embodiment of the invention can adjust the pressure maintaining time of the electric pressure cooker according to the working time of the heating device of the electric pressure cooker in the heating stage, so that the total cooking time of the electric pressure cooker is shortened, the user experience is improved, and the competitiveness of products is improved.
As described above, as shown in fig. 3, the cooking control method of the electric pressure cooker according to the embodiment of the present invention specifically includes the following steps:
s201: and entering a heating stage, and controlling the heating device to heat at a first preset power P1.
S202: and judging whether the temperature in the cooking cavity of the electric pressure cooker is more than or equal to a first preset temperature T1 or not.
If yes, executing step S204; if not, step S203 is executed.
S203: judging whether the working time of the heating device in the heating stage is more than or equal to the preset heating time tAdding＇。
If yes, executing step S204; if not, step S201 is performed.
S204: entering a pressure maintaining stage according to the total working time t of the heating device in the heating stageAddingObtaining the required pressure maintaining time tp。
S205: judging whether the time of the electric pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time tp。
If yes, go to step S210; if not, step S206 is performed.
S206: and judging whether the temperature in the cooking cavity of the electric pressure cooker is less than a second preset temperature T2.
If yes, go to step S207; if not, step S208 is performed.
S207: controlling the heating device to heat according to a second preset power P2.
S208: and judging whether the temperature in the cooking cavity is greater than or equal to a third preset temperature T3.
If so, go to step S209; if not, step S205 is performed.
S209: the heating device is controlled to stop heating and step S205 is executed.
S210: entering a step-down stage and controlling a heating device of the electric pressure cooker to stop heating.
S211: and judging whether the pressure in the electric pressure cooker is zero or not.
If yes, go to step S212; if not, step S211 is performed.
S212: and finishing the cooking.
In summary, according to the cooking control method of the electric pressure cooker provided by the embodiment of the invention, the electric pressure cooker is controlled to enter the heating stage, the temperature or the pressure in the cooking cavity of the electric pressure cooker is detected, when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition, the total working time of the heating device of the electric pressure cooker in the heating stage is obtained, and controls the electric pressure cooker to enter a pressure maintaining stage, obtains the required pressure maintaining time according to the total working time of the heating device in the heating stage, and controlling the electric pressure cooker to enter a pressure reduction stage when the pressure maintaining time of the electric pressure cooker reaches the required pressure maintaining time, therefore, the time of the electric pressure cooker in the pressure maintaining stage can be adjusted according to the working time of the heating device of the electric pressure cooker in the heating stage, the total cooking time of the electric pressure cooker is shortened, the user experience is improved, and the competitiveness of products is improved.
Fig. 4 is a block schematic view of an electric pressure cooker according to an embodiment of the present invention. As shown in fig. 4, the electric pressure cooker 100 includes: a timing unit 10, a detection unit 20 and a control unit 30.
Wherein, the timing unit 10 is used for recording the working time of the heating device of the electric pressure cooker in the heating stage; the detection unit 20 is used for detecting the temperature and/or pressure in the cooking cavity of the electric pressure cooker; the control unit 30 is respectively connected with the timing unit 10 and the detection unit 20, the control unit 30 is used for controlling the electric pressure cooker 100 to enter a heating stage, acquiring the temperature or the pressure in the cooking cavity, acquiring the total working time of the heating device of the electric pressure cooker in the heating stage when the temperature or the pressure in the cooking cavity of the electric pressure cooker 100 meets the heating ending condition, controlling the electric pressure cooker 100 to enter a pressure maintaining stage, acquiring the required pressure maintaining time according to the total working time of the heating device in the heating stage, and controlling the electric pressure cooker 100 to enter a pressure reducing stage when the time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time.
Specifically, when the temperature in the cooking cavity of the electric pressure cooker is greater than or equal to a first preset temperature T1 or the pressure in the cooking cavity of the electric pressure cooker is greater than or equal to a first preset pressure, the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition.
It should be noted that the cooking process of the electric pressure cooker 100 includes a heating stage, a pressure maintaining stage and a pressure reducing stage, wherein the heating stage is used for rapidly heating the object to be cooked, so that the pressure in the electric pressure cooker 100 rapidly reaches a first preset pressure; the pressure maintaining stage is used for controlling the pressure in the electric pressure cooker 100 to be maintained at a second preset pressure so as to improve the taste and the mouthfeel of the object to be cooked; the pressure reduction stage is used for controlling the pressure in the electric pressure cooker 100 to be rapidly reduced through the exhaust device so as to ensure that a user can open the cover quickly for eating. The cooking parameters of the electric pressure cooker 100 comprise the working time of each cooking stage and the temperature or pressure in the cooking cavity, wherein the total working time of the heating device of the electric pressure cooker in the heating stage is denoted as tAddingThe time of the electric pressure cooker in the pressure maintaining stage is recorded as tHealth-care productThe time of the electric pressure cooker in the pressure reduction stage is recorded as tDescendThus, the total cooking time t of the electric pressure cooker 100General assembly＝tAdding+tHealth-care product+tDescend。
According to an embodiment of the present invention, the electric pressure cooker 100 can detect the temperature inside the cooker through the temperature detecting device to obtain the pressure inside the electric pressure cooker 100. Wherein, the temperature detecting device may be disposed at the upper cover of the electric pressure cooker 100.
Specifically, the cooking process of the electric pressure cooker 100 is as follows:
one) heating stage
When the electric pressure cooker 100 is in the heating stage, the control unit 30 controls the heating device to be turned on, heats according to a first preset power P1, records the total working time of the heating device of the electric pressure cooker in the heating stage through the timing unit 10, detects the temperature or pressure in the cooking cavity of the electric pressure cooker in the heating stage in real time through the detection unit, and judges whether the total working time of the heating device in the heating stage is greater than or equal to a preset heating time tAddingWhether the temperature in the cooking cavity of the electric pressure cooker 100 is greater than or equal to a first preset temperature T1 or whether the pressure in the cooking cavity of the electric pressure cooker is greater than or equal to a first preset temperatureAnd (4) pressure. If the working time of the heating device in the heating stage is more than or equal to the preset heating time tAddingOr the temperature in the cooking cavity of the electric pressure cooker 100 is greater than or equal to the first preset temperature T1 or whether the pressure in the cooking cavity of the electric pressure cooker is greater than or equal to the first preset pressure, that is, the cooking parameters of the electric pressure cooker 100 satisfy the heating end condition, the control unit 30 can use the working time of the heating stage at this time as the total working time T of the heating device in the heating stageAddingAnd controls the electric pressure cooker 100 to enter the pressure maintaining stage; if the total operating time t of the heating phaseAddingLess than a predetermined heating time tAddingAnd the temperature in the cooking cavity of the electric pressure cooker 100 is less than the first preset temperature T1, that is, the cooking parameters of the electric pressure cooker 100 do not satisfy the heating end condition, the control unit 30 controls the heating device to continue heating.
II) pressure maintaining stage
When the electric pressure cooker 100 is in the pressure maintaining stage, the control unit 30 firstly determines the total working time t of the heating device in the heating stageAddingObtaining the required pressure maintaining time tp。
According to one embodiment of the invention, the required dwell time tpAnd the total working time t of the heating device in the heating stageAddingIn an inverse proportional relationship.
In particular, the greater the amount of the items to be cooked in the electric pressure cooker 100, the greater the total operating time t of the heating device of the electric pressure cooker during the heating phaseAddingThe larger the numerical value of the electric pressure cooker is, the time t of the electric pressure cooker in the pressure reduction stage isDescendThe larger the value of (A) and the time t of the electric pressure cooker in the pressure reduction stageDescendIt is sharply increased as the amount of the object to be cooked increases. The control unit 30 is in the heating phase according to the total working time t of the heating deviceAddingObtaining the required pressure maintaining time tpThe required pressure maintaining time tpAnd the total working time t of the heating device in the heating stageAddingIn inverse proportion, i.e. the total operating time t of the heating device in the heating phaseAddingThe larger the numerical value of the pressure value is, the required pressure maintaining time t of the corresponding electric pressure cooker in the pressure maintaining stage ispThe smaller the numerical value is, the pressure maintaining state of the electric pressure cooker is adjusted through dynamic adjustmentThe time of the stages can be shortened, the total cooking time t of the electric pressure cooker 100 can be shortenedGeneral assembly。
According to an embodiment of the invention, the control unit 30 is further adapted to obtain a total working time t of the heating device in the heating phaseAddingThe heating time period is belonged to, and the preset time corresponding to the heating time period is taken as the required pressure maintaining time tp。
Specifically, in one embodiment of the present invention, the cooking parameters of the electric pressure cooker 100 comprise a plurality of time thresholds, i.e. a first time threshold t1To the Nth time threshold tNWhere N is an integer greater than 1, a first time threshold t1Greater than a second time threshold t2Second time threshold t2Greater than a third time threshold t3… …, time threshold value t (N-1)(N-1)Greater than the Nth time threshold tN. According to a first time threshold t1To the Nth time threshold tNDividing (N +1) heating time periods to obtain the total working time t of the heating device in the heating stageAddingThen, the total working time t of the heating stage is judgedAddingAnd each heating time period corresponds to a preset time.
More specifically, the total operating time t when the heating device is in the heating phaseAddingGreater than a first time threshold t1Time, total working time t of heating stageAddingIn the first heating time period, corresponding to the required pressure maintaining time tpCan be a first preset time tp1(ii) a Total working time t when the heating device is in the heating stageAddingIs less than or equal to the first time threshold t1And is greater than a second time threshold t2Time, total working time t of heating stageAddingIn the second heating time period, corresponding to the required pressure maintaining time tpCan be a second preset time tp2(ii) a … …, respectively; total working time t when the heating device is in the heating stageAddingIs less than or equal to (N-1) th time threshold tN-1And is greater than the Nth time threshold tNTime, total working time t of heating stageAddingIn the Nth heating time period, corresponding to the required pressure maintaining time tpCan be the Nth preset timeTime tpN(ii) a Total working time t when the heating device is in the heating stageAddingIs less than or equal to the Nth time threshold tN-1Time, total working time t of heating stageAddingIn the (N +1) th heating time period, corresponding to the required pressure maintaining time tpCan be the (N +1) th preset time tp(N+1)Wherein the first preset time tp1Is less than the second preset time tp2A second preset time tp2Less than a third preset time tp3… …, Nth preset time tpNLess than the (N +1) th preset time tp(N+1)。
According to an embodiment of the present invention, assuming that N is 4, the total operation time t of the heating device in the heating stageAddingGreater than a first time threshold t1Time, corresponding required dwell time tpCan be a first preset time tp1(ii) a Total working time t when the heating device is in the heating stageAddingGreater than a second time threshold t2And is less than or equal to the first time threshold t1Then, the corresponding required pressure maintaining time can be the second preset time tp2(ii) a Total working time t when the heating device is in the heating stageAddingGreater than a third time threshold t3And is less than or equal to the second time threshold t2Then, the corresponding required pressure maintaining time can be the third preset time tp3(ii) a Total working time t when the heating device is in the heating stageAddingGreater than a fourth time threshold t4And is less than or equal to a third time threshold t3Then, the corresponding required pressure maintaining time can be the fourth preset time tp4(ii) a Total working time t when the heating device is in the heating stageAddingIs less than or equal to the fourth time threshold t4Then, the corresponding required pressure maintaining time can be the fifth preset time tp5(ii) a Wherein the first preset time tp1Is less than the second preset time tp2A second preset time tp2Less than a third preset time tp3A third preset time tp3Less than the fourth preset time tp4Fourth preset time tp4Less than a fifth preset time tp5。
Preferably, according to a specific embodiment of the present invention, the secondA time threshold t1May be 16 minutes, second time threshold t2May be 13 minutes, third time threshold t3May be 10 minutes, fourth time threshold t4May be 7 minutes; a first preset time tp1May be 5 minutes, the second preset time tp2May be 10 minutes, third preset time tp3May be 15 minutes, a fourth preset time tp4May be 20 minutes, a fifth preset time tp5May be 25 minutes.
More specifically, the required dwell time t is obtainedpThen, the time of the electric pressure cooker in the pressure maintaining stage is recorded through the timing unit 10, the temperature in the cooking cavity of the electric pressure cooker is detected in real time through the detection unit 20, and whether the time of the electric pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time t is judgedpIf the time of the electric pressure cooker in the pressure maintaining stage is less than the required pressure maintaining time tpIf the temperature in the cooking cavity of the electric pressure cooker is lower than the second preset temperature T2, the control unit 30 controls the heating device to heat according to the second preset power P2 if the temperature in the cooking cavity of the electric pressure cooker is lower than the second preset temperature T2; if the temperature in the cooking cavity of the electric pressure cooker is more than or equal to the second preset temperature T2, further judging whether the temperature in the cooking cavity of the electric pressure cooker is more than or equal to a third preset temperature T3, if the temperature in the cooking cavity of the electric pressure cooker is more than or equal to a third preset temperature T3, controlling the heating device to stop heating by the control unit 30, and further judging whether the time of the electric pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time Tp(ii) a If the temperature in the cooking cavity of the electric pressure cooker is less than the third preset temperature T3, whether the time of the electric pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time T is further judgedp. If the time of the electric pressure cooker in the pressure maintaining stage is more than or equal to the required pressure maintaining time tpThe control unit 30 controls the electric pressure cooker 100 to enter the pressure reduction stage.
In this way, repeated heating can be realized, so that the pressure in the electric pressure cooker 100 is kept at the second preset pressure, the object to be cooked, such as meat, is guaranteed to fully absorb heat and be cooked thoroughly, and the taste and mouthfeel of the object to be cooked are improved.
Third) depressurization step
When the electric pressure cooker 100 is in the pressure reduction stage, the control unit 30 controls the heating device to stop heating, records the time of the electric pressure cooker in the pressure reduction stage through the timing unit 10, detects the temperature in the cooking cavity of the electric pressure cooker in the heating stage in real time through the detection unit 20, obtains the pressure in the electric pressure cooker 100 according to the current temperature in the cooking cavity, and judges whether the time of the electric pressure cooker in the pressure reduction stage is more than or equal to the preset pressure reduction time tDescendOr whether the pressure inside the electric pressure cooker 100 is zero, if the working time of the pressure-reducing phase is less than the preset pressure-reducing time tDescendAnd the pressure in the electric pressure cooker 100 is not zero, the control unit 30 controls the exhaust device to continue exhausting so as to reduce the pressure in the electric pressure cooker 100; if the working time of the voltage reduction stage is more than or equal to the preset voltage reduction time tDescendOr the pressure in the electric pressure cooker 100 is zero, the control unit 30 controls the electric pressure cooker 100 to finish cooking.
Therefore, the cooking control method of the electric pressure cooker 100 provided by the embodiment of the invention can adjust the time of the electric pressure cooker in the pressure maintaining stage according to the working time of the heating device of the electric pressure cooker in the heating stage, so that the total cooking time of the electric pressure cooker 100 is shortened, the user experience is improved, and the competitiveness of products is improved.
In summary, according to the electric pressure cooker provided by the embodiment of the invention, the control unit controls the electric pressure cooker to enter the heating stage, detects the temperature or the pressure in the cooking cavity of the electric pressure cooker, acquires the total working time of the heating device of the electric pressure cooker in the heating stage when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating end condition, controls the electric pressure cooker to enter the pressure maintaining stage, acquires the required pressure maintaining time according to the total working time of the heating device in the heating stage, and controls the electric pressure cooker to enter the pressure reducing stage when the time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time, so that the time of the electric pressure cooker in the pressure maintaining stage can be adjusted according to the working time of the heating device of the electric pressure cooker in the heating stage, the total cooking time of.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. A cooking control method of an electric pressure cooker is characterized by comprising the following steps:
controlling the electric pressure cooker to enter a heating stage, and detecting the temperature or pressure in a cooking cavity of the electric pressure cooker;
when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition, acquiring the total working time of a heating device of the electric pressure cooker in the heating stage, and controlling the electric pressure cooker to enter a pressure maintaining stage;
and acquiring required pressure maintaining time according to the total working time of the heating device in the heating stage, and controlling the electric pressure cooker to enter a pressure reduction stage when the time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time, wherein the required pressure maintaining time and the total working time of the heating device in the heating stage are in an inverse proportion relation.
2. The cooking control method of the electric pressure cooker according to claim 1, wherein obtaining the required dwell time based on the total working time of the heating device in the heating stage comprises:
and acquiring the heating time period to which the total working time of the heating device in the heating stage belongs, and taking the preset time corresponding to the heating time period to which the heating device belongs as the required pressure maintaining time.
3. The cooking control method of an electric pressure cooker according to claim 2,
when the total working time of the heating device in the heating stage is greater than a first time threshold value, the corresponding required pressure maintaining time is first preset time;
when the total working time of the heating device in the heating stage is greater than a second time threshold and less than or equal to the first time threshold, the corresponding required pressure maintaining time is second preset time;
when the total working time of the heating device in the heating stage is greater than a third time threshold and less than or equal to the second time threshold, the corresponding required pressure maintaining time is a third preset time;
when the total working time of the heating device in the heating stage is greater than a fourth time threshold and less than or equal to the third time threshold, the corresponding required pressure maintaining time is fourth preset time;
when the total working time of the heating device in the heating stage is less than or equal to the fourth time threshold, the corresponding required pressure maintaining time is a fifth preset time;
the first preset time is less than the second preset time, the second preset time is less than the third preset time, the third preset time is less than the fourth preset time, and the fourth preset time is less than the fifth preset time.
4. The cooking control method of an electric pressure cooker according to claim 3,
the first time threshold is 16 minutes, the second time threshold is 13 minutes, the third time threshold is 10 minutes, and the fourth time threshold is 7 minutes;
the first preset time is 5 minutes, the second preset time is 10 minutes, the third preset time is 15 minutes, the fourth preset time is 20 minutes, and the fifth preset time is 25 minutes.
5. An electric pressure cooker, characterized in that, includes:
the timing unit is used for recording the working time of the heating device of the electric pressure cooker in the heating stage;
the detection unit is used for detecting the temperature and/or the pressure in the cooking cavity of the electric pressure cooker;
the control unit is respectively connected with the timing unit and the detection unit and is used for controlling the electric pressure cooker to enter a heating stage, acquiring the temperature or the pressure in the cooking cavity of the electric pressure cooker, acquiring the total working time of a heating device of the electric pressure cooker in the heating stage when the temperature or the pressure in the cooking cavity of the electric pressure cooker meets the heating ending condition, controlling the electric pressure cooker to enter a pressure maintaining stage, acquiring the required pressure maintaining time according to the total working time of the heating device in the heating stage, and controlling the electric pressure cooker to enter a pressure reduction stage when the time of the electric pressure cooker in the pressure maintaining stage reaches the required pressure maintaining time, wherein the required pressure maintaining time and the total working time of the heating stage are in an inverse proportion relation.
6. The electric pressure cooker according to claim 5, wherein the control unit is further configured to obtain a heating time period to which the total working time of the heating device in the heating stage belongs, and use a preset time corresponding to the heating time period as the required pressure maintaining time.
7. The electric pressure cooker according to claim 6,
when the total working time of the heating device in the heating stage is greater than a first time threshold value, the corresponding required pressure maintaining time is first preset time;
when the total working time of the heating device in the heating stage is greater than a second time threshold and less than or equal to the first time threshold, the corresponding required pressure maintaining time is second preset time;
when the total working time of the heating device in the heating stage is greater than a third time threshold and less than or equal to the second time threshold, the corresponding required pressure maintaining time is a third preset time;
when the total working time of the heating device in the heating stage is greater than a fourth time threshold and less than or equal to the third time threshold, the corresponding required pressure maintaining time is fourth preset time;
when the total working time of the heating device in the heating stage is less than or equal to the fourth time threshold, the corresponding required pressure maintaining time is a fifth preset time;
the first preset time is less than the second preset time, the second preset time is less than the third preset time, the third preset time is less than the fourth preset time, and the fourth preset time is less than the fifth preset time.
8. The electric pressure cooker according to claim 7,
the first time threshold is 16 minutes, the second time threshold is 13 minutes, the third time threshold is 10 minutes, and the fourth time threshold is 7 minutes;
the first preset time is 5 minutes, the second preset time is 10 minutes, the third preset time is 15 minutes, the fourth preset time is 20 minutes, and the fifth preset time is 25 minutes.
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| CN110250930A (en) | 2017-08-09 | 2019-09-20 | 沙克忍者运营有限责任公司 | Cooking system |
| USD914447S1 (en) | 2018-06-19 | 2021-03-30 | Sharkninja Operating Llc | Air diffuser |
| USD934027S1 (en) | 2018-08-09 | 2021-10-26 | Sharkninja Operating Llc | Reversible cooking rack |
| USD903413S1 (en) | 2018-08-09 | 2020-12-01 | Sharkninja Operating Llc | Cooking basket |
| USD883014S1 (en) | 2018-08-09 | 2020-05-05 | Sharkninja Operating Llc | Food preparation device |
| USD883015S1 (en) | 2018-08-09 | 2020-05-05 | Sharkninja Operating Llc | Food preparation device and parts thereof |
| CN110870684B (en) * | 2018-09-03 | 2022-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and control method thereof |
| CN109527971B (en) * | 2018-12-29 | 2020-10-27 | 珠海优特智厨科技有限公司 | Cooking method and cooking equipment |
| US20190254476A1 (en) | 2019-02-25 | 2019-08-22 | Sharkninja Operating Llc | Cooking device and components thereof |
| CN212788226U (en) | 2019-02-25 | 2021-03-26 | 沙克忍者运营有限责任公司 | Cooking system |
| USD918654S1 (en) | 2019-06-06 | 2021-05-11 | Sharkninja Operating Llc | Grill plate |
| USD982375S1 (en) | 2019-06-06 | 2023-04-04 | Sharkninja Operating Llc | Food preparation device |
| CN112568705A (en) * | 2019-09-30 | 2021-03-30 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking control method and device of cooking appliance and cooking appliance |
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| CN104000506B (en) * | 2014-05-30 | 2018-09-18 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of household electric heating cooking appliance |
| CN105877479B (en) * | 2015-01-26 | 2019-02-15 | 佛山市顺德区美的电热电器制造有限公司 | Electric pressure cooking saucepan and its cooking control method |
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