CN113331700A - Cooking utensil steam valve control method and device and cooking utensil - Google Patents
Cooking utensil steam valve control method and device and cooking utensil Download PDFInfo
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- 238000010411 cooking Methods 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 94
- 230000000694 effects Effects 0.000 abstract description 16
- 241000209094 Oryza Species 0.000 description 27
- 235000007164 Oryza sativa Nutrition 0.000 description 27
- 235000009566 rice Nutrition 0.000 description 27
- 238000009835 boiling Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000002791 soaking Methods 0.000 description 7
- 235000013305 food Nutrition 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 241000723353 Chrysanthemum Species 0.000 description 2
- 235000007516 Chrysanthemum Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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Abstract
The application relates to a cooking utensil steam valve control method, a cooking utensil steam valve control device and a cooking utensil, wherein the method comprises the following steps: acquiring heating power of a cooking appliance; the valve port area of a steam valve of the cooking appliance is adjusted according to the heating power of the cooking appliance. The heating power through the cooking utensil who acquires corresponds the valve port area of adjustment steam valve, avoids opening the undersize because of the steam valve when the power is too high and leads to spilling over and influence culinary art effect, still can avoid opening too big and lead to the energy extravagant because of the steam valve when the power is too low, both improves culinary art effect, resources are saved again.
Description
Technical Field
The application relates to the technical field of electrical equipment, in particular to a cooking utensil steam valve control method and device and a cooking utensil.
Background
When utilizing cooking utensil to cook the food material, overflow and be the main factor that influences food material cooking speed, because some micromolecule or macromolecular material can be dissolved out to the food material in the culinary art process to along with the evaporation of water yield, the culinary art thing can be more and more viscid, thereby leads to being close to boiling or can not adopt high-power to heat in the boiling process at the food material.
Traditional cooking utensil is subject to the whole heat radiation structure of rice cooker, can only use less firepower in order to prevent to spill over after the boiling, need guarantee not to spill over when adjusting the firepower, can't guarantee the culinary art effect.
Disclosure of Invention
Therefore, it is necessary to provide a cooking appliance steam valve control method and device and a cooking appliance, which can improve the cooking effect, aiming at the problem that the traditional cooking appliance cannot ensure the cooking effect.
A cooking appliance steam valve control method comprising:
acquiring heating power of a cooking appliance;
adjusting a valve port area of a steam valve of the cooking appliance according to the heating power of the cooking appliance.
In one embodiment, the adjusting the valve port area of the steam valve of the cooking appliance according to the heating power of the cooking appliance comprises:
obtaining a target valve port area according to the heating power of the cooking appliance and the corresponding relation between the preset heating power and the valve port area;
adjusting a valve port area of a steam valve of the cooking appliance according to the target valve port area.
In one embodiment, the obtaining a target valve port area according to the heating power of the cooking appliance and the preset corresponding relationship between the heating power and the valve port area includes:
calculating to obtain an average power value in a preset time period according to the heating power of the cooking appliance;
and obtaining a target valve port area according to the average power value and the corresponding relation between the preset heating power and the valve port area.
In one embodiment, the corresponding relationship between the heating power and the valve port area is as follows:
Sarea of valve port＝PAverage power×0.3×K
Wherein S isArea of valve portIs the target valve port area in mm2；PAverage powerTo be cookedAn average power value of the cooking appliance in W over a preset time period; k is the power weighting.
In one embodiment, the power weighting number is a preset fixed value; or the power weighting number is determined according to the average power value and the corresponding relation between a preset power range and a power weighting number range; or the power weighting number is determined according to the cooking stage of the cooking appliance and the corresponding relation between the preset cooking stage and the power weighting number range.
In one embodiment, the obtaining a target valve port area according to the average power value and a preset corresponding relationship between heating power and valve port area includes:
calculating to obtain a preliminary valve port area according to the average power value and the corresponding relation between the preset heating power and the valve port area;
and if the preliminary valve port area does not exceed the upper limit value and the lower limit value, taking the preliminary valve port area as a target valve port area.
In one embodiment, after the calculating to obtain the preliminary valve port area according to the average power value and the corresponding relationship between the preset heating power and the valve port area, the method further includes:
and if the initial valve port area exceeds the upper limit value and the lower limit value, determining a target valve port area according to the upper limit value and the lower limit value.
In one embodiment, the determining a target valve port area according to the upper and lower limit values comprises:
if the difference value between the preliminary valve port area and the upper limit value and the lower limit value is smaller than or equal to a preset difference threshold value, correspondingly setting the upper limit value or the lower limit value as the target valve port area;
and if the difference value between the primary valve port area and the upper and lower limit values is larger than a preset difference value threshold value, returning to the step of calculating to obtain an average power value in a preset time period according to the heating power of the cooking utensil.
In one embodiment, before calculating a preliminary valve port area according to the average power value and a preset corresponding relationship between heating power and valve port area, the method further includes: and determining an upper limit value and a lower limit value according to the cooking stage of the cooking appliance.
A cooking appliance steam valve control apparatus comprising:
the data acquisition module is used for acquiring the heating power of the cooking appliance;
the area adjusting module is used for adjusting the valve port area of a steam valve of the cooking appliance according to the heating power of the cooking appliance.
A cooking appliance comprises a cooking body, an upper cover assembly, a controller and a steam valve, wherein the upper cover assembly and the controller are arranged on the cooking body, and the steam valve is arranged on the upper cover assembly; the controller is used for steam valve control according to the method described above.
According to the cooking utensil steam valve control method and device and the cooking utensil, the heating power of the cooking utensil is obtained, and the valve port area of the steam valve of the cooking utensil is adjusted according to the heating power of the cooking utensil. The heating power through the cooking utensil who acquires corresponds the valve port area of adjustment steam valve, avoids opening the undersize because of the steam valve when the power is too high and leads to spilling over and influence culinary art effect, still can avoid opening too big and lead to the energy extravagant because of the steam valve when the power is too low, both improves culinary art effect, resources are saved again.
Drawings
FIG. 1 is a flow chart of a method for controlling a steam valve of a cooking appliance according to an embodiment;
FIG. 2 is a flow chart illustrating adjusting a valve port area of a steam valve of a cooking appliance according to a heating power of the cooking appliance in one embodiment;
FIG. 3 is a flow chart illustrating obtaining a target valve port area according to the heating power of the cooking appliance and the corresponding relationship between the preset heating power and the valve port area in one embodiment;
FIG. 4 is a block diagram of a steam valve control device of the cooking appliance in one embodiment;
FIG. 5 is a logic diagram of a steam valve control method for a cooking appliance in one embodiment;
FIG. 6 is a logic diagram of a steam valve control method for a cooking appliance in another embodiment;
FIG. 7 is a logic diagram of a steam valve control method for a cooking appliance in accordance with yet another embodiment;
FIG. 8 is a schematic diagram illustrating temperature control during various cooking stages of the cooking appliance in one embodiment;
FIG. 9 is a logic diagram of a steam valve control method for a cooking appliance in accordance with another embodiment;
FIG. 10 is a logic diagram of a steam valve control method of a cooking appliance in accordance with another embodiment;
fig. 11 is a schematic diagram of temperature control of various cooking stages of a cooking appliance in another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, the terminology used in this specification includes any and all combinations of the associated listed items.
In one embodiment, a steam valve control method for a cooking appliance is provided, wherein the cooking appliance can be an electric cooker or the like. As shown in fig. 1, the method includes:
step S100: and acquiring the heating power of the cooking appliance.
Specifically, the heating power of the cooking appliance may be acquired by the controller. The controller can adopt an independent control chip or an original control main board of the cooking utensil. Taking the original control main board of the cooking appliance as an example, the controller can control the heating power of the heating device of the cooking appliance according to the parameters set by the user, so that the heating power of the cooking appliance can be directly monitored through the controller.
Step S200: the valve port area of a steam valve of the cooking appliance is adjusted according to the heating power of the cooking appliance.
Correspondingly, after the heating power of the cooking appliance is determined, the controller may obtain a valve port area corresponding to the current heating power of the cooking appliance according to a preset corresponding relationship between the heating power and the valve port area, and use the valve port area as a target valve port area, and then adjust the valve port area of the steam valve of the cooking appliance according to the target valve port area. In addition, the controller can also be used for controlling the opening area of the steam valve to be increased or decreased after the heating power of the cooking appliance is determined, and the specific adjustment amplitude can be set according to actual requirements.
In one embodiment, as shown in FIG. 2, step S200 includes step S210 and step S220.
Step S210: and obtaining the target valve port area according to the heating power of the cooking appliance and the corresponding relation between the preset heating power and the valve port area.
Specifically, after the heating power of the cooking appliance is determined, the controller can directly obtain the valve port area corresponding to the current heating power of the cooking appliance as the target valve port area according to the preset corresponding relationship between the heating power and the valve port area. The controller can calculate the corresponding target valve port area in real time according to the heating power acquired each time, so as to be used as the basis for adjusting the steam valve. In addition, the controller can also calculate an average power value according to the heating power collected in unit time, and calculate the corresponding target valve port area according to the power value in each unit time.
Step S220: and adjusting the valve port area of a steam valve of the cooking appliance according to the target valve port area.
Correspondingly, after the controller calculates the target valve port area, the controller controls the adjusting mechanism in the steam valve to change the valve port area of the steam valve so that the valve port area of the steam valve is consistent with the target valve port area. If the target valve port area is calculated in real time according to the heating power, the controller adjusts the valve port area of the steam valve in real time according to the calculated target valve port area; if the target valve port area is calculated according to the average power value in unit time, the controller adjusts the valve port area of the steam valve once in each unit time according to the calculated target valve port area. When the valve port area of the steam valve is adjusted, the adjustment can be directly performed, or the adjustment of the valve port area can be performed by taking the upper limit value and the lower limit value as limits. The upper and lower limit values are not limited, and the valve port area may be adjusted by using the valve port area limit value on the steam valve structure as the upper and lower limit values of the opening size, or by using the upper and lower limit values stored in advance as the limit.
The controller controls the action of the adjusting mechanism inside the steam valve, the mode of adjusting the valve port area of the steam valve is not unique, a baffle plate can be arranged inside the steam valve, the adjusting mechanism adopts a motor, and the baffle plate can be driven by the control motor to move so as to change the shielding area of the valve port of the steam valve, so that the valve port area of the steam valve is changed, and the purpose of limiting the gas output of the steam valve is achieved. In addition, a disc with a chrysanthemum petal structure can be arranged in the steam valve, the adjusting mechanism also adopts a motor, the disc can be arranged in a steam channel of the steam valve, the chrysanthemum petal structure of the disc is driven to rotate by controlling the motor, and the opening area of the disc is changed to achieve the purpose of limiting the steam outlet quantity of the steam valve.
According to the cooking utensil steam valve control method, the valve port area of the steam valve is adjusted correspondingly through the obtained heating power of the cooking utensil, the phenomenon that the steam valve is opened too small when the power is too high to cause overflow and influence the cooking effect is avoided, the phenomenon that the steam valve is opened too large when the power is too low to cause energy waste can also be avoided, the cooking effect is improved, and resources are saved.
In one embodiment, as shown in FIG. 3, step S210 includes step S212 and step S214.
Step S212: and calculating the average power value in the preset time period according to the heating power of the cooking utensil.
Step S214: and obtaining the target valve port area according to the average power value and the corresponding relation between the preset heating power and the valve port area.
The specific value of the preset time period is not unique and can be adjusted according to actual requirements. Specifically, the time selection range of the preset time period t can be 0 ≦ t ≦ 1 min. The controller determines a corresponding target valve port area according to the monitored heating power of the cooking appliance and the average power value in a preset time period so as to adjust the steam valve. Specifically, the controller calculates an average power value in a preset time period, which may be heating power in a plurality of preset time periods after statistics is completed, and then calculates average power values in each preset time period respectively; or calculating the average power value in the preset time period in real time according to the heating power acquired in each preset time period.
The relationship between the heating power and the valve port area is not unique, and in one embodiment, the relationship between the heating power and the valve port area is:
Sarea of valve port＝PAverage power×0.3×K
Wherein S isArea of valve portIs the target valve port area in mm2；PAverage powerThe average power value of the cooking utensil in a preset time period is W; k is the power weighting. The power weighting number K may be a preset fixed value, or may be adjusted according to actual conditions. If the power weighting number K is a fixed value, the controller calculates the target valve port area according to the average power value in each preset time period and by combining the same relational expression. If the power weighting number K is a variable value, the power weighting number K needs to be determined according to actual conditions, and the controller calculates the average power value in the preset time period according to the average power value in different conditions and by combining the corresponding relational expressionAnd calculating the target valve port area.
In one embodiment, the power weighting is determined according to the average power value and the corresponding relationship between the preset power range and the power weighting range. Specifically, the corresponding relationship between the power range and the power weighting range may be preselectably stored in the controller, and after the average power value in the current preset time period is determined, the power weighting K may be simultaneously determined according to the stored corresponding relationship, so as to calculate the target valve port area corresponding to the average power value in the preset time period. In this embodiment, the correspondence between the power range and the power weighting range is:
Paverage powerNot more than 150W, and the power weighting number K is (0, 0.5)]；
800W＜PAverage powerLess than or equal to 1500W, and the power weighting number K is (0.5, 1)]；
150W＜PAverage powerLess than or equal to 1500W, and the power weighting number K is (1, 2.5)]。
In another embodiment, the power weighting is determined according to a cooking stage of the cooking appliance and a preset correspondence between the cooking stage and the power weighting range. Similarly, the corresponding relationship between the cooking stage and the power weighting range can be pre-stored and saved by the controller, after the average power value in the current preset time period is determined, the power weighting K can be simultaneously determined according to the saved corresponding relationship, and then the target valve port area corresponding to the average power value in the preset time period can be calculated. In this embodiment, the cooking stage of the cooking device includes a rice soaking stage, a temperature raising stage, a boiling stage, and a rice stewing stage. The corresponding relationship between the power range and the power weighting range is as follows:
in the rice soaking stage, the value of the power weighting number K is (0, 0.5);
in the temperature rising stage, the value of the power weighting number K is (0.5, 1);
in the boiling stage, the value of the power weighting number K is (1, 2.5);
and in the stewing stage, the power weighted number K is (0, 0.5).
In one embodiment, step S212 includes: and calculating the average power value in a preset time period in real time according to the heating power of the cooking utensil. The controller calculates the average power value in each preset time period in real time, and then the steam valve can be adjusted according to the determined target valve port area, so that the control is more timely.
In one embodiment, step S214 includes: calculating to obtain a preliminary valve port area according to the average power value and the corresponding relation between the preset heating power and the valve port area; and if the initial valve port area does not exceed the upper limit value and the lower limit value, taking the initial valve port area as the target valve port area.
The upper and lower limit values include an upper limit value and a lower limit value, and the specific values of the upper and lower limit values can be determined according to the limit value of the valve port area of the steam valve, and can also be set correspondingly according to different cooking stages. The initial valve port area does not exceed the upper limit value and the lower limit value, namely the initial valve port area is larger than or equal to the lower limit value and smaller than or equal to the upper limit value.
Specifically, after the controller determines the average power value within a preset time period, the controller calculates a preliminary valve port area by combining a preset corresponding relation between the heating power and the valve port area, and then analyzes whether the preliminary valve port area exceeds a range determined by the upper limit value and the lower limit value. If the preliminary valve port area does not exceed the range, the preliminary valve port area can be directly used as the target valve port area for steam valve adjustment.
In one embodiment, the upper and lower limit values are set according to different cooking stages, specifically as shown in table 1, Smax represents the upper limit value, and Smin represents the lower limit value.
TABLE 1
| Phases | Soaking rice stage | Temperature raising stage | Boiling stage | At the stage of stewing |
| Smax | 23mm2 | 450mm2 | 1125mm2 | 23mm2 |
| Smin | 0mm2 | 120mm2 | 50mm2 | 0mm2 |
Further, in an embodiment, after the preliminary valve port area is calculated according to the average power value and the corresponding relationship between the preset heating power and the valve port area, step S214 further includes: and if the initial valve port area exceeds the upper limit value and the lower limit value, determining the target valve port area according to the upper limit value and the lower limit value. If the preliminary valve port area exceeds the range determined by the upper limit value and the lower limit value, the preliminary valve port area is indicated to exceed the allowable adjusting range, and the target valve port area is determined according to the stored upper limit value and the lower limit value so as to be used for adjusting the steam valve.
The mode that the controller determines the target valve port area according to the upper limit value and the lower limit value is not unique, and the adjustment mode of the steam valve can be determined by directly taking the stored upper limit value or the stored lower limit value as the target valve port area; or the corresponding adjusting mode of the steam valve can be determined according to the degree of deviation of the initial valve port area from the upper limit value and the lower limit value.
In one embodiment, determining the target valve port area based on the upper and lower limit values comprises: if the difference value between the initial valve port area and the upper and lower limit values is smaller than or equal to a preset difference threshold value, taking the upper limit value or the lower limit value as a target valve port area correspondingly; and if the difference value between the initial valve port area and the upper and lower limit values is larger than the preset difference threshold value, returning to the step S212.
Specifically, the value of the preset difference threshold is not unique, and in this embodiment, the preset difference threshold is 5%. When the initial valve port area exceeds the upper limit value and the lower limit value, the controller analyzes whether the initial valve port area is smaller than the lower limit value or larger than the upper limit value. If the initial valve port area is smaller than the lower limit value, the controller calculates the difference value between the initial valve port area and the lower limit value and analyzes whether the difference value is smaller than or equal to a preset difference threshold value; if the initial valve port area is larger than the upper limit value, the controller calculates the difference value between the initial valve port area and the upper limit value and analyzes whether the difference value is smaller than or equal to a preset difference value threshold value.
And when the difference value between the initial valve port area and the upper and lower limit values is smaller than or equal to a preset difference threshold value, correspondingly taking the upper limit value or the lower limit value as a target valve port area for opening adjustment. Specifically, if the preliminary valve port area is larger than the upper limit value, and the difference between the preliminary valve port area and the upper limit value is smaller than or equal to a preset difference threshold value, taking the upper limit value as a target valve port area; and if the preliminary valve port area is smaller than the lower limit value and the difference value between the preliminary valve port area and the lower limit value is smaller than or equal to a preset difference threshold value, taking the lower limit value as the target valve port area.
And when the difference value between the initial valve port area and the upper and lower limit values is greater than the preset difference threshold value, returning to the step S212 for circulation, and calculating the average power value in the preset time period for the second time to avoid the influence caused by calculation errors. If the upper and lower limit values are determined according to the cooking stage of the cooking appliance, the controller also records the number of cycles and controls the number of cycles not to exceed the set number. In this example, the number of times is set to 3. Correspondingly, when the difference value between the initial valve port area and the upper and lower limit values is larger than the preset difference threshold value after the cycle setting times are calculated, the lower limit value or the upper limit value can be correspondingly selected as the target valve port area directly according to the relationship between the initial valve port area and the upper and lower limit values.
In an embodiment, before calculating the preliminary valve port area according to the average power value and the corresponding relationship between the preset heating power and the valve port area, step S214 further includes: the upper and lower limit values are determined according to a cooking stage of the cooking appliance. According to different stages of the cooking utensil, corresponding upper and lower limit values are respectively set so as to adjust the valve port area of the steam valve in different stages. In addition, the stage weighting number K can be correspondingly set according to different stages of the cooking utensil.
Specifically, for example, the upper limit value, the lower limit value and the stage weighting number K are determined according to the cooking stage of the cooking appliance, and after the cooking appliance starts to work, the controller detects the current stage, and correspondingly sets the upper limit value, the lower limit value and the stage weighting number K. After the average power value within the preset time period t is obtained through calculation, the valve port area (namely the initial valve port area) is obtained through calculation according to the corresponding relation expression of the heating power and the valve port area. And if the valve port area does not exceed the upper limit value and the lower limit value, controlling the steam valve according to the calculated valve port area until the stage is finished. If the valve port area exceeds the upper limit value and the lower limit value, calculating the difference value of the valve port area deviating from the upper limit value and the lower limit value, and if the difference value is smaller than or equal to a preset difference value threshold value, correspondingly selecting the upper limit value or the lower limit value to control the valve port area of the steam valve until the stage is finished. If the difference value is larger than the preset difference value threshold value, the average power value in the preset time period t is calculated for the second time, the cycle times are controlled not to exceed the set times, if the cycle reaches the set times, the difference value of the valve port area deviating from the upper limit value and the lower limit value is larger than the preset difference value threshold value, the upper limit value or the lower limit value is correspondingly selected to control the valve port area of the steam valve until the stage is finished. After the cooking utensil finishes working at the current stage and enters the next stage, the controller resets the upper and lower limit values and the stage weighting number K to adjust the valve port area of the steam valve at the next stage.
In addition, if the valve port area exceeds the upper limit value and the lower limit value, the controller can also directly control the valve port area of the steam valve according to the upper limit value and the lower limit value until the stage is finished.
In one embodiment, a steam valve control device for a cooking appliance is also provided, and the cooking appliance can be an electric cooker and other equipment. As shown in fig. 4, the apparatus includes a data acquisition module 100 and an area adjustment module 200. The data acquisition module 100 is used for acquiring the heating power of the cooking appliance; the area adjustment module 200 is used to adjust the valve port area of a steam valve of the cooking appliance according to the heating power of the cooking appliance.
In one embodiment, the area adjustment module 200 obtains a target valve port area according to the heating power of the cooking appliance and the corresponding relationship between the preset heating power and the valve port area; and adjusting the valve port area of a steam valve of the cooking appliance according to the target valve port area.
In one embodiment, the area adjusting module 200 calculates an average power value within a preset time period according to the heating power of the cooking appliance; and obtaining the target valve port area according to the average power value and the corresponding relation between the preset heating power and the valve port area.
In one embodiment, the area adjustment module 200 calculates an average power value in a preset time period in real time according to the heating power of the cooking appliance.
In one embodiment, the area adjustment module 200 calculates a preliminary valve port area according to the average power value and a corresponding relationship between a preset heating power and the valve port area; and if the initial valve port area does not exceed the upper limit value and the lower limit value, taking the initial valve port area as the target valve port area.
In one embodiment, the area adjustment module 200 is further configured to determine a target valve port area based on the upper and lower limits if the preliminary valve port area exceeds the upper and lower limits.
In one embodiment, the area adjustment module 200 is configured to, if a difference between the preliminary valve port area and the upper and lower limits is smaller than or equal to a preset difference threshold, take the upper limit or the lower limit as a target valve port area; if the difference value between the primary valve port area and the upper and lower limit values is larger than the preset difference value threshold value, calculating to obtain the average power value in the preset time period according to the heating power of the cooking utensil.
In one embodiment, the area adjustment module 200 is further configured to determine the upper and lower limit values according to a cooking stage of the cooking appliance.
For specific examples of the steam valve control device of the cooking appliance, reference may be made to the above examples of the steam valve control method of the cooking appliance, and details are not repeated here. The modules in the cooking appliance steam valve control device can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
According to the steam valve control device for the cooking appliance, the valve port area of the steam valve is adjusted correspondingly through the obtained heating power of the cooking appliance, the phenomenon that the steam valve is opened too small when the power is too high to cause overflow and influence the cooking effect is avoided, the phenomenon that the steam valve is opened too large when the power is too low to cause energy waste is also avoided, the cooking effect is improved, and resources are saved.
In one embodiment, a cooking appliance is also provided, which can be an electric cooker or the like. The cooking appliance comprises a cooking body, an upper cover assembly, a controller and a steam valve, wherein the upper cover assembly and the controller are arranged on the cooking body, and the steam valve is arranged on the upper cover assembly; the controller is used to perform steam valve control according to the method described above.
Above-mentioned cooking utensil corresponds the valve port area of adjustment steam valve through the heating power of the cooking utensil who acquires, avoids opening the undersize because of the power is too high the steam valve and leads to spilling over and influence culinary art effect, still can avoid opening too big and lead to the energy extravagant because of the power is too low the time steam valve, both improves culinary art effect, resources are saved again.
In order to better understand the method, the device and the cooking appliance for controlling the steam valve of the cooking appliance, the following detailed explanation is made in conjunction with the embodiments.
The application provides a control method for intelligently adjusting the opening of a variable steam valve based on different cooking heating powers, the variable steam valve can be adjusted and controlled by adding food materials with different capacities, the cooking effect can be guaranteed, the firepower can be effectively increased, excessive evaporation of water in the food materials due to too large opening can be avoided, and excessive heat dissipation and energy waste caused by too large opening of the steam valve when the heating power is low can be prevented; and the steam valve can be prevented from being opened too small when the heating power is larger, so that overflow is caused and the cooking effect is influenced. The size of the opening of the variable steam valve is intelligently adjusted according to the heating power of the cooking appliance in different stages, and the size of the steam valve opening is suitable in different stages, so that the energy is saved, and the cooking effect is guaranteed. Specifically, the following description will be made with reference to various embodiments by taking an electric cooker as an example.
Example 1:
as shown in fig. 5, after the rice cooker starts to work, the average power value in time t is calculated in real time, the size of the steam valve port is adjusted according to the formula 1, and the limiting value of the area of the valve port on the steam valve structure is used as the upper and lower limiting values of the opening size. Wherein t time is preferably within the range of 0-1 min. Equation 1 is:
Sarea of valve port＝PAverage power×0.3×K
Where K is the power weighting, PAverage powerNot more than 150W, and K is (0, 0.5)]；800W＜PAverage powerLess than or equal to 1500W, and K is (0.5, 1)]；150W＜PAverage powerLess than or equal to 1500W, and K is (1, 2.5)]；PAverage powerNot more than 150W, and K is (0, 0.5)]。
In this embodiment, no stage limitation is performed, and only the average power value in the time period t is calculated and adjusted in real time.
Example 2:
as shown in fig. 6, after the rice cooker starts to work, the stage of the rice cooker is detected, and the upper and lower limit values Smax \ Smin of the opening size of the steam valve port are preset according to the stage, which is specifically shown in table 1. And calculating the average power value in the time t, and adjusting the size of the steam valve port according to the average power value. Specifically, detecting whether the area of the steam valve port calculated according to the formula 1 exceeds a preset upper limit value and a preset lower limit value; if yes, calculating the difference value deviating from the upper limit and the lower limit, and processing the steam valve port area according to the different difference values in the table 2; if not, working according to the calculated steam valve port area until the stage is finished, and returning to the step of detecting the stage of the rice cooker.
TABLE 2
Wherein t time is preferably within the range of 0-1 min. Equation 1 is:
Sarea of valve port＝PAverage power×0.3×K
Wherein K is stage weight, the rice soaking stage is (0, 0.5), (0.5, 1) the heating stage is (1, 2.5) and the stewing stage is (0, 0.5).
Example 3:
as shown in fig. 7, after the rice cooker starts to work, the stage of the rice cooker is detected, and the upper and lower limit values Smax \ Smin of the opening size of the steam valve port are preset according to the stage, which is specifically shown in table 1. And calculating the average power value in the time t, and adjusting the size of the steam valve port according to the average power value. Specifically, detecting whether the area of the steam valve port calculated according to the formula 1 exceeds a preset upper limit value and a preset lower limit value; if so, adjusting the valve port according to the upper limit and the lower limit, keeping the valve port until the stage is finished, and returning to the step of detecting the stage of the rice cooker; if not, working according to the calculated steam valve port area until the stage is finished, and returning to the step of detecting the stage of the rice cooker. Wherein t time is preferably within the range of 0-1 min. Equation 1 is:
Sarea of valve port＝PAverage power×0.3×K
Wherein K is stage weight, the rice soaking stage is (0, 0.5), (0.5, 1) the heating stage is (1, 2.5) and the stewing stage is (0, 0.5).
It should be noted that examples 2 and 3 are mainly directed to the case where there is only one heating average power at each stage. As shown in FIG. 8, OA is a rice soaking stage, AB is a temperature rising stage, BC is a boiling stage, and CD is a rice stewing stage. P1-P4 are average power values of different stages respectively, an upper limit value, a lower limit value and a stage weighting number K are correspondingly determined in each cooking stage, and then the valve port area of the steam valve is adjusted according to the average power value of each stage within t time.
Example 4:
as shown in fig. 9, after the rice cooker starts to work, the stage of the rice cooker is detected, and the upper and lower limit values Smax \ Smin of the opening size of the steam valve port are preset according to the stage. And calculating the average power value in the t time in real time, and adjusting the size of the steam valve port according to the average power value. Specifically, detecting whether the area of the steam valve port calculated according to the formula 1 exceeds a preset upper limit value and a preset lower limit value; if yes, calculating the difference value deviating from the upper limit and the lower limit, and processing the steam valve port area according to the different difference values in the table 2; if not, working according to the calculated steam valve port area until the stage is finished, and returning to the step of detecting the stage of the rice cooker.
Wherein t time is preferably within the range of 0-1 min. Equation 1 is:
Sarea of valve port＝PAverage power×0.3×K
Wherein, K is stage weighting number, and can be determined according to the average power value or the stage of the rice cooker.
Example 5:
as shown in FIG. 10, the stage of the rice cooker is detected, and the upper and lower limit values Smax \ Smin of the opening size of the steam valve port are preset according to the stage. And calculating the average power value in the t time in real time, and adjusting the size of the steam valve port according to the average power value. Specifically, detecting whether the area of the steam valve port calculated according to the formula 1 exceeds a preset upper limit value and a preset lower limit value; if so, adjusting the valve port according to the upper limit and the lower limit, keeping the valve port until the stage is finished, and returning to the step of detecting the stage of the rice cooker; if not, working according to the calculated steam valve port area until the stage is finished, and returning to the step of detecting the stage of the rice cooker. Wherein t time is preferably within the range of 0-1 min. Equation 1 is:
Sarea of valve port＝PAverage power×0.3×K
Wherein, K is stage weighting number, and can be determined according to the average power value or the stage of the rice cooker.
In examples 4 and 5, mainly, in the case where there are a plurality of average heating powers in each stage, as shown in fig. 11, OA is a rice soaking stage, AB is a temperature raising stage, BC is a boiling stage, and CD is a rice stewing stage. P1-P7 are average power values of different stages in each time t respectively, an upper limit value and a lower limit value are correspondingly determined in each cooking stage, and then the valve port area of the steam valve is adjusted according to the average power values of the stages in different times t.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A cooking appliance steam valve control method, comprising:
acquiring heating power of a cooking appliance;
adjusting a valve port area of a steam valve of the cooking appliance according to the heating power of the cooking appliance.
2. The cooking appliance steam valve control method of claim 1, wherein the adjusting of the valve port area of the cooking appliance steam valve according to the heating power of the cooking appliance comprises:
obtaining a target valve port area according to the heating power of the cooking appliance and the corresponding relation between the preset heating power and the valve port area;
adjusting a valve port area of a steam valve of the cooking appliance according to the target valve port area.
3. The method for controlling the steam valve of the cooking appliance according to claim 2, wherein the obtaining a target valve port area according to the heating power of the cooking appliance and the corresponding relationship between the preset heating power and the valve port area comprises:
calculating to obtain an average power value in a preset time period according to the heating power of the cooking appliance;
and obtaining a target valve port area according to the average power value and the corresponding relation between the preset heating power and the valve port area.
4. The method as claimed in claim 3, wherein the relationship between the heating power and the valve port area is as follows:
Sarea of valve port＝PAverage power×0.3×K
Wherein S isArea of valve portIs the target valve port area in mm2；PAverage powerThe average power value of the cooking utensil in a preset time period is W; k is the power weighting.
5. The cooking appliance steam valve control method of claim 4, wherein the power weighting is a preset fixed value; or the power weighting number is determined according to the average power value and the corresponding relation between a preset power range and a power weighting number range; or the power weighting number is determined according to the cooking stage of the cooking appliance and the corresponding relation between the preset cooking stage and the power weighting number range.
6. The method for controlling the steam valve of a cooking appliance according to claim 3, wherein the obtaining a target valve port area according to the average power value and the corresponding relationship between the preset heating power and the valve port area comprises:
calculating to obtain a preliminary valve port area according to the average power value and the corresponding relation between the preset heating power and the valve port area;
and if the preliminary valve port area does not exceed the upper limit value and the lower limit value, taking the preliminary valve port area as a target valve port area.
7. The method as claimed in claim 6, further comprising, after calculating a preliminary valve port area according to the average power value and a corresponding relationship between a preset heating power and the valve port area:
and if the initial valve port area exceeds the upper limit value and the lower limit value, determining a target valve port area according to the upper limit value and the lower limit value.
8. The cooking appliance steam valve control method of claim 7, wherein the determining a target valve port area based on the upper and lower limit values comprises:
if the difference value between the preliminary valve port area and the upper limit value and the lower limit value is smaller than or equal to a preset difference threshold value, correspondingly taking the upper limit value or the lower limit value as the target valve port area;
and if the difference value between the primary valve port area and the upper and lower limit values is larger than a preset difference value threshold value, returning to the step of calculating to obtain an average power value in a preset time period according to the heating power of the cooking utensil.
9. The method as claimed in claim 6, wherein before calculating a preliminary valve port area according to the average power value and the corresponding relationship between the preset heating power and the valve port area, the method further comprises: and determining an upper limit value and a lower limit value according to the cooking stage of the cooking appliance.
10. A cooking appliance steam valve control apparatus, comprising:
the data acquisition module is used for acquiring the heating power of the cooking appliance;
the area adjusting module is used for adjusting the valve port area of a steam valve of the cooking appliance according to the heating power of the cooking appliance.
11. A cooking appliance, comprising a cooking body, an upper cover assembly, a controller and a steam valve, wherein the upper cover assembly and the controller are arranged on the cooking body, and the steam valve is arranged on the upper cover assembly; the controller is used for steam valve control according to the method of any one of claims 1-9.
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