CN113390106B - Control method, cooking appliance and storage medium - Google Patents
Control method, cooking appliance and storage medium Download PDFInfo
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- CN113390106B CN113390106B CN202010171297.3A CN202010171297A CN113390106B CN 113390106 B CN113390106 B CN 113390106B CN 202010171297 A CN202010171297 A CN 202010171297A CN 113390106 B CN113390106 B CN 113390106B
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- 238000010411 cooking Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 139
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000004590 computer program Methods 0.000 claims description 7
- 235000013305 food Nutrition 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 6
- 230000005070 ripening Effects 0.000 abstract description 5
- 239000000523 sample Substances 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 235000015277 pork Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
Abstract
The invention discloses a control method, a cooking appliance and a storage medium. The cooking appliance includes a heating part for heating the pot, and the control method includes: controlling the heating part to heat the cooker; collecting the temperature of the cooker; calculating a first difference value of the temperature of the pan at preset time intervals under the condition that the temperature of the pan is in a preset range; calculating a second difference of the two first differences; and determining the water quantity in the pot according to the second difference value. According to the control method, the water quantity in the pot is determined through the temperature data change of the pot, so that the firepower of the cooking appliance can be accurately controlled, and the phenomena of adhesion, overripening, non-ripening or pot overflow of food such as dumplings can be prevented.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a control method, a cooking appliance and a storage medium.
Background
Currently, people cook food with water, such as dumplings, noodles, etc. The cooking appliance, for example, a gas cooker, can heat the cooker according to the set cooking parameters to cook food. However, the cooking appliance does not determine the amount of water in the pot, which does not provide more accurate fire control.
Disclosure of Invention
The embodiment of the invention provides a control method, a cooking appliance and a storage medium.
The control method of the embodiment of the invention is used for a cooking appliance, the cooking appliance comprises a heating part for heating the cooker, and the control method comprises the following steps:
controlling the heating part to heat the cooker;
collecting the temperature of the cooker;
calculating a first difference value of the temperature of the pan at preset time intervals under the condition that the temperature of the pan is in a preset range;
calculating a second difference of the two first differences;
and determining the water quantity in the pot according to the second difference value.
According to the control method of the embodiment of the invention, the water quantity in the pot is determined through the temperature data change of the pot, so that the firepower of the cooking appliance can be accurately controlled, and the phenomena of adhesion, overripening, non-ripening or pot overflow of foods such as dumplings can be prevented.
In some embodiments, the preset range is [ T0, T1), wherein the value range of T0 is [25,82] DEG C, and the value range of T1 is [88,125] DEG C.
Therefore, the preset range is moderate, inaccurate judgment caused by the fact that the temperature is low and the equilibrium state is not reached is avoided, and insufficient judgment time caused by the fact that the temperature is too high is not significant.
In some embodiments, determining the amount of water in the pan from the second difference comprises:
and determining the water quantity in the cooker according to the preset relation between the difference interval and the water quantity and the second difference value of the continuous preset quantity.
Thus, the water quantity in the cooker can be rapidly and accurately determined.
In certain embodiments, the difference interval comprises first, second and third distinct intervals, the amounts of water comprising first, second and third distinct amounts of water, the first interval corresponding to the first amount of water, the second interval corresponding to the second amount of water, the third interval corresponding to the third amount of water,
determining the water quantity in the pot according to the preset relation between the difference interval and the water quantity and the second difference value of the continuous preset quantity, wherein the determining comprises the following steps:
determining the water quantity in the cooker as the first water quantity under the condition that the second difference values of the continuous preset quantity are all in the first interval;
determining the water quantity in the cooker as the second water quantity under the condition that the second difference values of the continuous preset quantity are all in the second interval;
and determining the water quantity in the cooker as the third water quantity under the condition that the second difference values of the continuous preset quantity are all in the third interval.
Thus, the water quantity in the cooker is accurately determined.
The cooking utensil comprises a controller and a heating part for heating the cookware, wherein the controller is connected with the heating part, and is used for controlling the heating part to heat the cookware, collecting the temperature of the cookware, calculating a first difference value of the temperature of the cookware at a preset time interval under the condition that the temperature of the cookware is in a preset range, calculating a second difference value of the two first difference values, and determining the water quantity in the cookware according to the second difference value.
According to the cooking utensil provided by the embodiment of the invention, the water quantity in the cookware is determined through the temperature data change of the cookware, so that the firepower of the cooking utensil can be accurately controlled, and the phenomena of adhesion, overripening, non-ripening or pot overflow of foods such as dumplings can be prevented.
In some embodiments, the preset range is [ T0, T1), wherein the value range of T0 is [25,82] DEG C, and the value range of T1 is [88,125] DEG C.
Therefore, the preset range is moderate, inaccurate judgment caused by the fact that the temperature is low and the equilibrium state is not reached is avoided, and insufficient judgment time caused by the fact that the temperature is too high is not significant.
In some embodiments, the controller is configured to determine the amount of water in the pan based on a preset relationship between a difference interval and the amount of water and a continuous preset number of the second differences.
Thus, the water quantity in the cooker can be rapidly and accurately determined.
In some embodiments, the difference interval includes first, second and third different intervals, the water amounts include first, second and third different water amounts, the first interval corresponds to the first water amount, the second interval corresponds to the second water amount, the third interval corresponds to the third water amount, the controller is configured to determine that the water amount in the pan is the first water amount if the continuous preset number of the second differences are all in the first interval, and to determine that the water amount in the pan is the second water amount if the continuous preset number of the second differences are all in the second interval, and to determine that the water amount in the pan is the third water amount if the continuous preset number of the second differences are all in the third interval.
Thus, the water quantity in the cooker is accurately determined.
In some embodiments, the cooking appliance includes a burner as the heating part and a temperature sensing device for detecting a temperature of the cooker.
Thus, the heating function and the temperature detection function of the cooking appliance are realized.
The computer-readable storage medium according to an embodiment of the present invention stores thereon a computer program that, when executed by a processor, implements the steps of the control method according to any of the above embodiments.
The computer readable storage medium of the embodiment of the invention determines the water quantity in the pot through the temperature data change of the pot, thereby more accurately controlling the firepower of the cooking appliance and preventing the phenomena of adhesion, overripening, non-ripening or pot overflow of food such as dumplings and the like.
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 foregoing 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, in which:
FIG. 1 is a schematic flow chart of a control method according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a cooking appliance according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a cooking appliance according to an embodiment of the present invention;
FIG. 4 is a schematic view of a cooking profile of a control method according to an embodiment of the present invention;
fig. 5 is another flow chart of the control method according to the embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, and are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.
In the description of embodiments of the present invention, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In describing embodiments of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be either fixedly coupled, detachably coupled, or integrally coupled, for example, unless otherwise indicated and clearly defined; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1 to 3, a control method for a cooking apparatus 100 according to an embodiment of the present invention is provided, where the cooking apparatus 100 includes a heating portion 102 for heating a pot, and the control method includes:
step S12, controlling the heating part 102 to heat the cookware;
s14, collecting the temperature of the cooker;
step S16, calculating a first difference value of the temperature of the pan at preset time intervals under the condition that the temperature of the pan is in a preset range;
step S18, calculating a second difference value of the two first difference values;
and S20, determining the water quantity in the pot according to the second difference value.
The control method in the embodiment of the present invention may be implemented by the cooking appliance 100 of the embodiment of the present invention. Specifically, referring to fig. 2, the cooking appliance 100 includes a heating part 102 for heating a pot and a controller 104, and the controller 104 is connected to the heating part 102. The controller 104 is used for controlling the heating part 102 to heat the cookware, collecting the temperature of the cookware, calculating a first difference value of the temperature of the cookware at preset time intervals when the temperature of the cookware is in a preset range, calculating a second difference value of the two first difference values, and determining the water quantity in the cookware according to the second difference value.
According to the control method and the cooking utensil 100 in the embodiments, the water quantity in the cooking utensil is determined through the temperature data change of the cooking utensil, so that the firepower of the cooking utensil 100 can be accurately controlled, and the phenomena of adhesion, overripening, non-ripening or pot overflow of foods such as dumplings can be prevented.
Specifically, the cooking appliance 100 includes, but is not limited to, a gas range, an induction cooker, an electric ceramic stove, an electric rice cooker, an electric steaming stove, an oven, and the like. In the illustrated embodiment, the cooking appliance 100 is illustrated as a gas range. Referring to fig. 3, in the illustrated embodiment, the cooking apparatus 100 includes a stove body 106, a pot support 108, a stove head 110, and a temperature sensing probe 112, a fire switch 114 and a timing switch 116 are provided on a surface of the stove body, the stove head 110 may be used as the heating portion 102 of the cooking apparatus 100, and two stove heads 110 are provided, and each stove head 110 corresponds to one fire switch 114. The pan support 108 is arranged on the surface of the panel of the furnace body 106, the furnace end 110 is exposed out of an opening of the panel of the furnace body 106, and the temperature sensing probe 112 is arranged in the middle of the furnace end 110. Specifically, the burner 110 includes an outer ring portion 118 and an inner ring portion 120, the gas injected from the outer ring portion 118 burns to form an outer ring fire, the gas injected from the inner ring portion 120 burns to form an inner ring fire, and the temperature sensing probe 112 penetrates the inner ring portion 120 and protrudes from the inner ring portion 120. During cooking, the cookware is placed on the pot support 108 and the temperature sensing probe 112 is pressed down so that the temperature sensing probe 112 can contact with the cookware to detect the temperature of the cookware. The gas injected from the burner 110 burns to form flame, which heats the cooker. The fire switch 114 is connected to an execution module (the execution module includes a gas valve) of the cooking appliance 100, and is used for controlling the cooking appliance 100 to fire, extinguish and regulate fire, for example, controlling the outer ring fire and the inner ring fire to heat the cooker simultaneously, controlling the fire intensity of the outer ring fire and the inner ring fire, controlling the outer ring fire to extinguish and keeping the inner ring fire to heat the cooker, controlling the outer ring fire and the inner ring fire to extinguish, and the like. The magnitude or power of the fire can be controlled by controlling the flow of the fuel gas, and the relationship between the magnitude or power of the fire and the flow of the fuel gas can be calibrated and stored. The timing switch 116 is used to adjust the time when the cooking appliance 100 starts cooking, and can achieve adjustment of the reserved cooking time period. The cooking appliance 100 may establish a wired or wireless connection with a terminal, and a user may adjust the power and the scheduled start cooking time at the terminal, which transmits the power and the scheduled start cooking time to the cooking appliance 100. Terminals include, but are not limited to, cell phones, tablet computers, personal computers, servers, wearable smart devices, other household appliances (e.g., refrigerators, televisions, air conditioners, range hoods, dishwashers, microwave ovens, etc.), and the like.
In the case where the cooking appliance 100 is an induction cooker, a heating coil of the induction cooker may be used as the heating part 102, and in the case where the cooking appliance 100 is an electric rice cooker, an electric heating pan or an electric heating tube of the electric rice cooker may be used as the heating part 102. For other cooking appliances 100, the magnitude or power of the fire power may be controlled by electric parameters such as current, voltage, etc., and in particular, the execution module of the cooking appliance 100 may include a power control module for controlling the power of the electric heating part 102 to achieve the adjustment of the fire power.
The temperature of the pan detected by the temperature sensing probe 112 can also be used for a dry burning prevention function, specifically, when the temperature of the pan is suddenly increased to the set dry burning cutoff temperature of the pan, the controller 104 automatically cuts off the air and extinguishes, so that the safety problem caused by dry burning of the pan is prevented.
In the illustrated embodiment, the temperature sensing probe 112 is used as a temperature sensing device, and is a contact type, and since the bottom of the pan contacts the temperature sensing probe 112, the temperature of the bottom of the pan is the temperature outside the pan, which can be regarded as the temperature of the pan. It will be appreciated that in other embodiments, the temperature of the cookware may be detected by other temperature detection devices, such as a non-contact temperature detection device including an infrared temperature detection device, which may be mounted on a panel of the cooking appliance 100, or on a wall, for detecting the temperature of the body or the temperature of the bottom of the pot as the temperature of the cookware. The difference between the temperature outside the cooker and the temperature inside the cooker can be calibrated through testing or can be obtained from a server and other terminals, and when the temperature outside the cooker reaches a certain value, the temperature inside the cooker can be determined through the difference. The difference is related to the type of the cookware, and the corresponding relation between the difference and the type of the cookware can be calibrated through testing or obtained from a terminal such as a server. The temperature sensing device can also be used for detecting the temperature in the cooker as the temperature of the cooker.
For water-based cooking processes, a pot typically contains water for cooking foods, including but not limited to dumplings, noodles, rice dumplings, soup-stock foods (e.g., chicken, pork, fish, etc.), and the like. The cooking appliance 100 and the control method according to the embodiment of the present invention can be used for a water-based cooking process involving water quantity judgment. For the cooking appliance 100 with a burner, such as a gas stove, the burner forms a flame in a semi-surrounding shape to heat the cooker, and the amount of water in the cooker and the heating time length can be in a nonlinear relation, so that the amount of water in the cooker needs to be determined to realize accurate fire control. For example, in the case of a large amount of water, in order to avoid sticking of the food to the pot, it is necessary to boil the water in the pot in a short time, and thus, it is necessary to control the heating portion with a large fire power to heat the pot. In the case where a large amount of water boils, it is necessary to reduce the heat power to prevent overflow, etc.
The pot with water can be placed on the burner, and the heating part 102 is controlled to start heating the pot with a certain fixed fire power during ignition. This power is typically the default power of the cooking appliance 100, and its power is fixed. Of course, the heat power may be set or changed by a user operating the cooking appliance 100, or the heat power may be changed or set by a user operating a terminal that transmits the heat power setting to the cooking appliance 100. In addition, in order to achieve a faster rise in water temperature to reach a boiling state, the heat power of the culinary article 100 is larger, for example, the culinary article 100 has three-stage heat power: high, medium and low, and the fire may be high or medium.
In one embodiment, the range of values for the preset time interval is greater than or equal to 1s. It will be appreciated that in other embodiments, the predetermined time interval may be selected to have other ranges according to the control accuracy, and is not particularly limited herein. The two first differences of the second difference may be two consecutive first differences, or two first differences with one or several first differences in between. The present embodiment calculates the second difference value as two first difference values in succession.
The first difference may be obtained by subtracting the temperature of the previously collected pan from the temperature of the subsequently collected pan, or may be obtained by subtracting the temperature of the subsequently collected pan from the temperature of the previously collected pan. The second difference may be obtained by subtracting the first difference calculated before from the first difference calculated before, and may be obtained by subtracting the first difference calculated after from the first difference calculated before. It should be noted that, for the sake of easy calculation and improved efficiency, the first difference and the second difference are calculated in the same manner, i.e. by subtracting the previous data from the next data, or by subtracting the next data from the previous data. In the latter embodiment of the present invention, the first difference and the second difference are calculated by subtracting the previous data from the next data. In view of the understanding of the present invention, those skilled in the art can also implement the present invention by subtracting the latter data from the former data in a manner of calculating the first difference and the second difference.
In some embodiments, the predetermined range is [ T0, T1), wherein T0 has a value of [25,82] DEG C and T1 has a value of [88,125 ]. Therefore, the preset range is moderate, inaccurate judgment caused by the fact that the temperature is low and the equilibrium state is not reached is avoided, and insufficient judgment time caused by the fact that the temperature is too high is not significant.
Specifically, when the temperature t=t0 of the pan, the temperature rising speed of the pan is detected, the first difference Δt of the pan temperature is calculated at intervals of a preset time, and when T is greater than or equal to T1, the calculation of the first difference Δt is stopped. In one embodiment, T0 has a value in the range of [50,80] deg.c, t1=90℃.
In some embodiments, the preset range is related to a pot type, and the control method includes:
determining the type of the cookware according to the cookware selection signal;
and determining a preset range according to the type of the cookware.
The control method of the above embodiment may be implemented by the cooking appliance 100 of the present embodiment, and specifically, the controller 104 is configured to determine a pan type according to the pan selection signal, and determine a preset range according to the pan type.
In this way, the cooking appliance 100 can be adapted to more cookware, and temperature control is more accurate.
Specifically, the cooking appliance 100 may be provided with a selection button or interface, and after the user selects a certain cooking program, the selection button or interface is used for the user to select a pan type to generate a pan selection signal, and the controller 104 determines [ T0, T1 ] when receiving the pan selection signal. The cookware types include, but are not limited to, marmite, glass pot, stainless steel pot, iron pot, or other alloy pot. The pan select signal may also be sent by a terminal in communication with the cooking appliance 100, including but not limited to a cell phone, tablet computer, personal computer, wearable smart device, other household appliances (e.g., refrigerator, television, range hood, dishwasher, microwave oven, etc.).
In one example, the user selects a cooking program for cooking dumplings and a stainless steel pan such that controller 104 can determine [ T0, T1 ] corresponding to the stainless steel pan.
In some embodiments, determining the amount of water in the pan based on the second difference comprises:
and determining the water quantity in the pot according to the preset relation between the difference interval and the water quantity and the second difference value of the continuous preset quantity. Thus, the water quantity in the cooker can be rapidly and accurately determined.
The control method in the embodiment of the present invention may be implemented by the cooking appliance 100 of the embodiment of the present invention. Specifically, the controller 104 is configured to determine the amount of water in the pan according to the preset relationship between the difference interval and the amount of water and the second difference value of the continuous preset number.
Specifically, the preset relationship between the difference interval and the water amount may be specifically set by simulating the actual use situation of the cooking appliance 100. The preset relationship between the difference interval and the amount of water may be stored in the cooking appliance 100, or the cooking appliance 100 may be acquired from a terminal. It should be noted that the amount of water in the pan may be understood as a relative amount of water, e.g., in making a particular setting, the amount of water in the pan may be set to a larger amount, a medium amount, a smaller amount, etc., indicative of a relative amount of blurring. The amount of water in the pan may also be understood as a specifically quantifiable amount, e.g. 550 grams, 400 grams, 200 grams, etc. of water in the pan. This can be specifically calibrated according to different situations.
In addition, in order to avoid the influence of the fluctuation of the temperature data on the accuracy, the water quantity in the cooker is determined by comparing the second difference value of the continuous preset quantity with the preset relation. In one example, the predetermined number may be 2, that is, the amount of water in the pan is determined by comparing the second difference of 2 consecutive differences with the predetermined relationship. It will be appreciated that in other examples, the predetermined number may be 3, or more than 3, and that the particular value may be determined based on control accuracy or other factors, and is not specifically limited herein.
In one embodiment, the difference interval includes first, second and third different intervals, the amount of water includes first, second and third amounts of water, the first interval corresponds to the first amount of water, the second interval corresponds to the second amount of water, and the third interval corresponds to the third amount of water.
Determining the water quantity in the pot according to the preset relation between the difference interval and the water quantity and the second difference value of the continuous preset quantity, wherein the determining comprises the following steps:
under the condition that the second difference values of the continuous preset quantity are all in the first interval, determining the water quantity in the cooker as a first water quantity;
under the condition that the second difference values of the continuous preset quantity are in a second interval, determining the water quantity in the cooker as a second water quantity;
and under the condition that the second difference values of the continuous preset quantity are all in a third interval, determining the water quantity in the cooker as a third water quantity.
Thus, the water quantity in the cooker is accurately determined. The control method in the embodiment of the present invention may be implemented by the cooking appliance 100 of the embodiment of the present invention. Specifically, the controller 104 is configured to determine that the water amount in the pan is the first water amount when the second difference values of the continuous preset number are all in the first interval, determine that the water amount in the pan is the second water amount when the second difference values of the continuous preset number are all in the second interval, and determine that the water amount in the pan is the third water amount when the second difference values of the continuous preset number are all in the third interval.
Specifically, referring to fig. 4, in the present embodiment, the first interval is a positive interval, the second interval is an interval near zero, the third interval is a negative interval, the first water amount is a smaller amount, the second water amount is a medium amount, and the third water amount is a larger amount. In the example of fig. 4, a curve X indicates that the first interval is a positive number interval, and the temperature is a trend of continuously accelerating the rise; curve Y represents a section where the second section is near zero, and the temperature is a tendency to steadily rise; the curve Z indicates that the third interval is a negative interval, and the trend of temperature rise is slowing down. In other embodiments, other ways of calibration may be performed, and are not specifically limited herein.
In one example of this, in one instance, the positive number interval is (0.5, in the temperature of +++) DEG C, the interval around zero is [ -0.5,0.5 ]. DEG C, and the negative interval is (-infinity, -0.5) °C. In combination with the above example, in the case where the continuous 2 second difference values Δt ' are all located in the positive number range, the amount of water in the pan is determined to be a smaller amount, in the case where the continuous 2 second difference values Δt ' are all located in the vicinity of zero range, the amount of water in the pan is determined to be a medium amount, and in the case where the continuous two second difference values Δt ' are all located in the negative number range, the amount of water in the pan is determined to be a larger amount.
It will be appreciated that in other embodiments, the number of the difference intervals may be two, or more than three, where the difference intervals correspond to the amount of water one by one, and the number of the difference intervals and the amount of water are not specifically limited.
The present invention is illustrated below with reference to a specific example.
Referring to fig. 5, the control method includes:
step A1, a pot with water is placed at a furnace end, and ignition starts to heat with a certain fixed firepower;
a2, detecting the temperature of the pan bottom by a temperature sensing probe positioned at the pan bottom, and marking the temperature as T;
step A3, when t=t0, starting to detect the temperature rising speed, and making a change value of T every T1 seconds, and recording as Δt; stopping calculating delta T when T is more than or equal to 90 ℃;
step A4, the difference value of two continuous deltaT is recorded as deltaT ', and the interval where the value of not lower than 2 deltaT' is located is used as the judgment basis of the water quantity;
a5, determining that the DeltaT' is in a positive number interval and determining that the water is in a small water heating state; the interval in which DeltaT' is near zero is determined as a medium water heating state; the deltat' is located in the negative number region, and the heating state of the large water volume is determined.
It is noted that the specific values mentioned above are only for the purpose of illustrating the implementation of the present invention in detail and are not to be construed as limiting the present invention. In other examples or embodiments or examples, other values may be selected according to the present invention, without specific limitation.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the control method of any of the above embodiments.
For example, in the case where the program is executed by a processor, the steps of the following control method are implemented:
step S12, controlling the heating part 102 to heat the cookware;
s14, collecting the temperature of the cooker;
step S16, calculating a first difference value of the temperature of the pan at preset time intervals under the condition that the temperature of the pan is in a preset range;
step S18, calculating a second difference value of the two first difference values;
and S20, determining the water quantity in the pot according to the second difference value.
The computer readable storage medium may be provided in the cooking appliance 100 or in a terminal such as a server, and the cooking appliance 100 may communicate with the terminal to acquire a corresponding program.
It is understood that the computer program comprises computer program code. The computer program code may be in the form of source code, object code, executable files, or in some intermediate form, among others. The computer readable storage medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a software distribution medium, and so forth.
The controller 104 of the cooking appliance 100 is a single chip microcomputer chip, and integrates a processor, a memory, a communication module, and the like. The processor may refer to a processor contained by the controller 104. The processor may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, system that includes a processing module, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of embodiments of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
Furthermore, functional units in various embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units may be integrated into one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (6)
1. A control method for a cooking appliance, the cooking appliance including a heating portion for heating the cooker, the control method comprising:
controlling the heating part to heat the cooker;
collecting the temperature of the cooker;
calculating a first difference value of the temperature of the pan at preset time intervals under the condition that the temperature of the pan is in a preset range;
calculating a second difference of the two first differences;
determining the water quantity in the cooker according to the preset relation between the difference interval and the water quantity and the second difference value of the continuous preset quantity;
the difference interval comprises a first interval, a second interval and a third interval which are different, the water amounts comprise a first water amount, a second water amount and a third water amount which are different, the first interval corresponds to the first water amount, the second interval corresponds to the second water amount, the third interval corresponds to the third water amount,
determining the water quantity in the pot according to the preset relation between the difference interval and the water quantity and the second difference value of the continuous preset quantity, wherein the determining comprises the following steps:
determining the water quantity in the cooker as the first water quantity under the condition that the second difference values of the continuous preset quantity are all in the first interval;
determining the water quantity in the cooker as the second water quantity under the condition that the second difference values of the continuous preset quantity are all in the second interval;
and determining the water quantity in the cooker as the third water quantity under the condition that the second difference values of the continuous preset quantity are all in the third interval.
2. The control method according to claim 1, wherein the preset range is [ T0, T1), wherein the value range of T0 is [25,82] c, and the value range of T1 is [88,125] c.
3. The cooking appliance is characterized by comprising a controller and a heating part for heating a cooker, wherein the controller is connected with the heating part, and is used for controlling the heating part to heat the cooker, collecting the temperature of the cooker, calculating a first difference value of the temperature of the cooker at preset time intervals and calculating a second difference value of the two first difference values when the temperature of the cooker is in a preset range, and determining the water quantity in the cooker according to the second difference value;
the controller is used for determining the water quantity in the cooker according to the preset relation between the difference value interval and the water quantity and the second difference value of the continuous preset quantity;
the difference interval comprises a first interval, a second interval and a third interval which are different, the water quantity comprises a first water quantity, a second water quantity and a third water quantity which are different, the first interval corresponds to the first water quantity, the second interval corresponds to the second water quantity, the third interval corresponds to the third water quantity, the controller is used for determining that the water quantity in the boiler is the first water quantity when the second difference value of the continuous preset quantity is in the first interval, and determining that the water quantity in the boiler is the second water quantity when the second difference value of the continuous preset quantity is in the second interval, and determining that the water quantity in the boiler is the third water quantity when the second difference value of the continuous preset quantity is in the third interval.
4. A cooking appliance according to claim 3, wherein the predetermined range is [ T0, T1), wherein T0 has a value range of [25,82] c, and T1 has a value range of [88,125] c.
5. A cooking appliance according to claim 3, comprising a burner as the heating portion and a temperature sensing device for detecting the temperature of the pan.
6. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the steps of the control method according to any one of claims 1-2.
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