CN109695902B - Cooking appliance and dry burning prevention control method and device thereof - Google Patents
Cooking appliance and dry burning prevention control method and device thereof Download PDFInfo
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- CN109695902B CN109695902B CN201711003626.8A CN201711003626A CN109695902B CN 109695902 B CN109695902 B CN 109695902B CN 201711003626 A CN201711003626 A CN 201711003626A CN 109695902 B CN109695902 B CN 109695902B
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- cooking appliance
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- cooking
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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
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1204—Deep fat fryers, e.g. for frying fish or chips for domestic use
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1266—Control devices, e.g. to control temperature, level or quality of the frying liquid
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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
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/087—Arrangement or mounting of control or safety devices of electric circuits regulating heat
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Frying-Pans Or Fryers (AREA)
Abstract
The invention discloses a cooking appliance and an anti-dry heating control method and device thereof, wherein the method comprises the following steps: s1, acquiring the temperature in the cooking appliance in real time when the cooking appliance works in a frying mode; s2, judging whether the temperature in the cooking utensil is larger than or equal to a first preset temperature or not; s3, if the temperature in the cooking utensil is smaller than a first preset temperature, acquiring a temperature change difference value in the cooking utensil within preset time, and judging whether the temperature change difference value is larger than a preset temperature threshold value; s4, if yes, judging whether the current power gear of the cooking appliance is a preset lowest power gear; s5, if the current power gear of the cooking utensil is not the preset lowest power gear, the power gear of the cooking utensil is reduced, and the step S2 is executed. Therefore, the oil-lack state of the cooking appliance can be accurately identified, the power is gradually reduced, the protection effect can be achieved, the heating work can be consistent, and the daily use of the cooking appliance is obviously optimized.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an anti-dry heating control method of a cooking appliance, a non-temporary computer readable storage medium, an anti-dry heating control device of the cooking appliance and the cooking appliance with the anti-dry heating control device.
Background
At present, the heating control mode of cooking utensils (for example, electromagnetism stove) on the market is all fairly simple, and wherein, the temperature point for detecting dry combustion method is all relatively higher than that the settlement, however, when using deep-fry mode, if remaining a small amount of oil in the pan, then the pan temperature sharply rises simultaneously can dry the oil earlier, just then can get into the dry combustion method protection, leads to the pan to stick with paste the end and be difficult to wash from this, influences user's use and experiences.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above.
Therefore, the first objective of the present invention is to provide an anti-dry heating control method for a cooking appliance, which can accurately identify the oil-poor state of the cooking appliance and gradually reduce the power, and not only can protect the cooking appliance, but also can ensure the heating operation to be continuous, and has obvious optimization for the daily use of the cooking appliance.
A second object of the invention is to propose a non-transitory computer-readable storage medium.
The third purpose of the invention is to provide an anti-dry heating control device of a cooking appliance.
A fourth object of the present invention is to provide a cooking appliance.
In order to achieve the above object, a first embodiment of the present invention provides a dry-heating prevention control method for a cooking appliance, including the following steps: s1, acquiring the temperature in the cooking appliance in real time when the cooking appliance works in a frying mode; s2, judging whether the temperature in the cooking utensil is larger than or equal to a first preset temperature or not; s3, if the temperature in the cooking utensil is smaller than a first preset temperature, acquiring a temperature change difference value in the cooking utensil within a preset time, and judging whether the temperature change difference value is larger than a preset temperature threshold value; s4, if the temperature change difference is larger than a preset temperature threshold, judging whether the current power gear of the cooking appliance is a preset lowest power gear; s5, if the current power gear of the cooking utensil is not the preset lowest power gear, the power gear of the cooking utensil is reduced, and the step S2 is executed in a returning mode.
According to the dry burning prevention control method of the cooking appliance, when the cooking appliance works in a frying mode, the temperature in the cooking appliance is obtained in real time, whether the temperature in the cooking appliance is larger than or equal to a first preset temperature or not is judged, if the temperature in the cooking appliance is smaller than the first preset temperature, a temperature change difference value in the cooking appliance within preset time is obtained, whether the temperature change difference value is larger than a preset temperature threshold or not is judged, if the temperature change difference value is larger than the preset temperature threshold, whether a current power gear of the cooking appliance is a preset lowest power gear or not is judged, and if the current power gear of the cooking appliance is not the preset lowest power gear, the power gear of the cooking appliance is reduced, and whether the temperature in the cooking appliance is larger than or equal to the first preset temperature or not is continuously judged. Therefore, the oil-lack state of the cooking appliance can be accurately identified, the power is gradually reduced, the protection effect can be achieved, the heating work can be consistent, and the daily use of the cooking appliance is obviously optimized.
In addition, the dry burning prevention control method for the cooking appliance according to the above embodiment of the present invention may further have the following additional technical features:
in an embodiment of the present invention, when the temperature in the cooking appliance is greater than or equal to the first preset temperature, after controlling the cooking appliance to stop heating for one period, the method returns to perform step S2.
In an embodiment of the present invention, when the temperature inside the cooking appliance is less than the first preset temperature, if the temperature variation difference is less than or equal to the preset temperature threshold, the step S2 is executed again.
In an embodiment of the present invention, when the temperature variation difference is greater than the preset temperature threshold, if the current power gear of the cooking appliance is the preset lowest power gear, after controlling the cooking appliance to stop heating for one period, the method returns to step S2.
To achieve the above object, a non-transitory computer-readable storage medium is provided in a second embodiment of the present invention, and a computer program is stored on the non-transitory computer-readable storage medium, and when executed by a processor, the computer program implements the anti-dry heating control method for a cooking appliance according to the first embodiment of the present invention.
According to the non-transitory computer readable storage medium provided by the embodiment of the invention, the oil-lack state of the cooking appliance can be accurately identified, and then the power is gradually reduced, so that the protection effect can be realized, the heating work can be consistent, and the daily use of the cooking appliance is obviously optimized.
In order to achieve the above object, a third embodiment of the present invention provides an anti-dry heating control device for a cooking appliance, including: the temperature acquisition module is used for acquiring the temperature in the cooking appliance in real time when the cooking appliance works in a frying mode; the first judgment module is used for judging whether the temperature in the cooking appliance is greater than or equal to a first preset temperature or not; the temperature difference value acquisition module is used for acquiring a temperature change difference value in the cooking appliance within preset time when the temperature in the cooking appliance is less than a first preset temperature, and judging whether the temperature change difference value is greater than a preset temperature threshold value or not; the second judgment module is used for judging whether the current power gear of the cooking appliance is a preset lowest power gear or not when the temperature change difference value is larger than a preset temperature threshold value; the control module is used for reducing the power gear of the cooking appliance when the current power gear of the cooking appliance is not a preset lowest power gear, and then continuously judging whether the temperature in the cooking appliance is larger than or equal to a first preset temperature through the first judging module.
According to the anti-dry heating control device of the cooking appliance, when the cooking appliance works in a frying mode, the temperature in the cooking appliance is acquired through the temperature acquisition module in real time, whether the temperature in the cooking appliance is larger than or equal to a first preset temperature is judged through the first judgment module, when the temperature in the cooking appliance is smaller than the first preset temperature, the temperature change difference value in the cooking appliance within the preset time is acquired through the temperature difference value acquisition module, whether the temperature change difference value is larger than a preset temperature threshold value is judged, then when the temperature change difference value is larger than the preset temperature threshold value, whether the current power gear of the cooking appliance is a preset lowest power gear is judged through the second judgment module, when the current power gear of the cooking appliance is not the preset lowest power gear, the power gear of the cooking appliance is reduced through the control module, and whether the temperature in the cooking appliance is larger than or equal to the first preset temperature is continuously judged through the first judgment module And (4) degree. Therefore, the oil-lack state of the cooking appliance can be accurately identified, the power is gradually reduced, the protection effect can be achieved, the heating work can be consistent, and the daily use of the cooking appliance is obviously optimized.
In addition, the anti-dry heating control device for the cooking appliance according to the above embodiment of the present invention may further have the following additional technical features:
in an embodiment of the invention, when the temperature in the cooking appliance is greater than or equal to a first preset temperature, the control module is further configured to continue to judge whether the temperature in the cooking appliance is greater than or equal to the first preset temperature through the first judging module after controlling the cooking appliance to stop heating for one period.
In an embodiment of the invention, when the temperature in the cooking appliance is less than a first preset temperature, if the temperature variation difference is less than or equal to a preset temperature threshold, the control module continues to determine whether the temperature in the cooking appliance is greater than or equal to the first preset temperature through the first determination module.
In an embodiment of the invention, when the temperature change difference is greater than a preset temperature threshold, if the current power gear of the cooking appliance is a preset lowest power gear, the control module continues to determine whether the temperature in the cooking appliance is greater than or equal to a first preset temperature through the first determination module after controlling the cooking appliance to stop heating for one period.
In order to achieve the above object, a cooking appliance according to a fourth aspect of the present invention includes: the dry burning prevention control device of the cooking appliance in the third aspect of the invention.
According to the cooking appliance provided by the embodiment of the invention, through the anti-dry heating control device of the cooking appliance, the oil-lack state of the cooking appliance can be accurately identified, so that the power is gradually reduced, a protection effect is achieved, the heating work is consistent, and the daily use of the cooking appliance is obviously optimized.
Advantages of additional aspects 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
Fig. 1 is a flowchart of a dry burning prevention control method of a cooking appliance according to an embodiment of the present invention;
fig. 2 is a flowchart of a dry burning prevention control method of a cooking appliance according to one embodiment of the present invention; and
fig. 3 is a block diagram illustrating an anti-dry heating control apparatus of a cooking appliance according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The method for controlling dry burning prevention of a cooking appliance, a non-transitory computer readable storage medium, a device for controlling dry burning prevention of a cooking appliance, and a cooking appliance having the device for controlling dry burning prevention according to embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a dry burning prevention control method of a cooking appliance according to an embodiment of the present invention. In an embodiment of the present invention, the cooking appliance may be a split cooking appliance, wherein the split cooking appliance may be a split electric cooker or a split electric pressure cooker. In addition, in other embodiments of the present invention, the cooking appliance may further include an induction cooker or a frying and baking machine.
As shown in fig. 1, the method for controlling dry-heating of a cooking appliance according to an embodiment of the present invention includes the following steps:
and S1, acquiring the temperature in the cooking appliance in real time when the cooking appliance works in the frying mode. It should be noted that, when the cooking appliance is a split cooking appliance, the cooking appliance may include an appliance body and a base, and the temperature in the cooking appliance may be the temperature in the appliance body; when the cooking appliance is an induction cooker, the temperature in the cooking appliance may be the temperature in a pot of the induction cooker.
S2, it is determined whether or not the temperature in the cooking utensil is equal to or higher than a first preset temperature. The first preset temperature may be calibrated according to actual conditions, for example, the first preset temperature may be obtained through a lot of experiments by a manufacturer of the cooking appliance, and stored in the storage space of the cooking appliance before the cooking appliance leaves the factory.
Further, in an embodiment of the present invention, when the temperature inside the cooking appliance is greater than or equal to the first preset temperature, the cooking appliance may be controlled to return to step S2 after stopping heating for one period. The time of one period may be calibrated according to actual conditions, for example, the value range of the time of one period may be 10 to 20 s. In addition, the time of the one period may be an optimal time obtained by a manufacturer of the cooking appliance through a lot of experiments, for example, 16s, and may be stored in the storage space of the cooking appliance before the cooking appliance is shipped.
And S3, if the temperature in the cooking utensil is less than the first preset temperature, acquiring a temperature change difference value in the cooking utensil within preset time, and judging whether the temperature change difference value is greater than a preset temperature threshold value. The preset time and the preset temperature threshold can be calibrated according to actual conditions, for example, the preset time and the preset temperature threshold can be obtained by a manufacturer of the cooking appliance through a large number of experiments, and the preset time and the preset temperature threshold are stored in a storage space of the cooking appliance before the cooking appliance leaves a factory.
And S4, if the temperature change difference is larger than the preset temperature threshold, judging whether the current power gear of the cooking appliance is the preset lowest power gear. The preset lowest power gear can be calibrated according to actual conditions, for example, the preset lowest power gear can be a default lowest power gear of the cooking appliance, and can also be a lowest power gear preset by a user through a human-computer interaction interface of the cooking appliance.
In an embodiment of the present invention, the current power gear of the cooking appliance may be a gear actively set by a user through a human-computer interface of the cooking appliance, or may be a power gear defaulted in a frying mode when the user selects the frying mode to work through the human-computer interface of the cooking appliance.
Further, in an embodiment of the present invention, when the temperature inside the cooking appliance is less than the first preset temperature, if the temperature variation difference is less than or equal to the preset temperature threshold, the step S2 is executed back.
S5, if the current power gear of the cooking utensil is not the preset lowest power gear, the power gear of the cooking utensil is reduced, and the step S2 is executed. It should be noted that, the power reduction gear of the cooking appliance described in this embodiment may be 1 gear reduction or 2 gears reduction, where how many gear reduction gears are calibrated according to actual situations, for example, how many gear reduction gears are obtained through a lot of experiments by a manufacturer of the cooking appliance, and the gear reduction gears are stored in a storage space of the cooking appliance before the cooking appliance leaves a factory.
Further, in an embodiment of the present invention, when the temperature variation difference is greater than the preset temperature threshold, if the current power gear of the cooking appliance is the preset lowest power gear, the cooking appliance is controlled to stop heating for one period, and then the step S2 is executed again.
Specifically, taking the cooking appliance as a split cooking appliance as an example, a user can control the cooking appliance to operate in a frying mode through a human-computer interaction interface arranged on the base during cooking using the cooking appliance. Then the cooking utensil accessible temperature sensor acquires the temperature in the utensil body in real time to judge whether this internal temperature of utensil is greater than or equal to first preset temperature in real time, if this internal temperature of utensil is less than this first preset temperature, then the internal temperature of real-time supervision utensil is in order to acquire the internal temperature variation difference (for example, the difference in temperature within n seconds, wherein, n is the positive integer) of utensil in a period of time (i.e. within the preset time).
Then, the cooking appliance further judges whether the temperature change difference is larger than a preset temperature threshold value, if the temperature change difference is larger than the preset temperature threshold value, whether the current power gear of the cooking appliance is a preset lowest power gear is judged, if the current power gear of the cooking appliance is not the preset lowest power gear, the cooking appliance can be controlled to reduce the current power gear by one gear, then the cooking appliance obtains the temperature in the appliance body again, and whether the temperature in the appliance body is larger than or equal to a first preset temperature is continuously judged.
In addition, if the cooking appliance judges that the temperature in the appliance body is greater than or equal to the first preset temperature, the cooking appliance can be controlled to reacquire the temperature in the appliance body after the cooking appliance stops heating for one period, and whether the temperature in the appliance body is greater than or equal to the first preset temperature is continuously judged; if the cooking appliance judges that the temperature in the cooking appliance is lower than the first preset temperature and the temperature change difference value is smaller than or equal to the preset temperature threshold value, the temperature in the appliance body is obtained again, and whether the temperature in the appliance body is larger than or equal to the first preset temperature or not is continuously judged; this cooking utensil if judge that the temperature variation difference is greater than preset temperature threshold, and cooking utensil's current power gear is the minimum power gear of predetermineeing, then steerable cooking utensil stop heating is after a cycle, reacquires this internal temperature of utensil to whether continue to judge and get this internal temperature of utensil and be greater than or equal to first preset temperature.
Therefore, the cooking appliance provided by the invention can accurately identify the oil-lack state of the cooking appliance after repeated cyclic judgment by using the dry-burning prevention control method of the cooking appliance, so that the power is gradually reduced, the protection effect is realized, the heating work is continuous, and the daily use of the cooking appliance is obviously optimized.
To make the present invention more apparent to those skilled in the art, fig. 2 is a flowchart of a dry-heating prevention control method of a cooking appliance according to an embodiment of the present invention. As shown in fig. 2, the dry burning prevention control method of the cooking appliance may include the steps of:
and S101, controlling the cooking appliance to work in a frying mode.
And S102, acquiring the temperature in the cooking utensil in real time.
S103, judging whether the temperature in the cooking utensil is larger than or equal to a first preset temperature or not. If yes, go to step S105; if not, step S104 is executed.
And S104, acquiring a temperature change difference value in the cooking appliance within preset time.
And S105, controlling the cooking appliance to stop heating for one cycle, and returning to the step S102.
And S106, judging whether the temperature change difference value is larger than a preset temperature threshold value. If yes, go to step S107; if not, return to step S102.
And S107, judging whether the current power gear of the cooking appliance is a preset lowest power gear. If yes, go to step S109; if not, step S109 is performed.
And S108, reducing the power gear of the cooking appliance.
S109, the cooking appliance is controlled to stop heating for one cycle, and the process returns to step S102.
In summary, according to the anti-dry heating control method for the cooking appliance in the embodiment of the present invention, when the cooking appliance operates in the frying mode, the temperature in the cooking appliance is obtained in real time, and meanwhile, whether the temperature in the cooking appliance is greater than or equal to a first preset temperature is determined, if the temperature in the cooking appliance is less than the first preset temperature, a temperature change difference value in the cooking appliance within a preset time is obtained, and whether the temperature change difference value is greater than a preset temperature threshold value is determined, if the temperature change difference value is greater than the preset temperature threshold value, whether a current power gear of the cooking appliance is a preset lowest power gear is determined, and if the current power gear of the cooking appliance is not the preset lowest power gear, the power gear of the cooking appliance is reduced, and whether the temperature in the cooking appliance is greater than or equal to the first preset temperature is continuously determined. Therefore, the oil-lack state of the cooking appliance can be accurately identified, the power is gradually reduced, the protection effect can be achieved, the heating work can be consistent, and the daily use of the cooking appliance is obviously optimized.
In addition, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the dry-heating prevention control method for a cooking appliance according to the above-mentioned embodiment of the present invention.
According to the non-transitory computer readable storage medium provided by the embodiment of the invention, the oil-lack state of the cooking appliance can be accurately identified, and then the power is gradually reduced, so that the protection effect can be realized, the heating work can be consistent, and the daily use of the cooking appliance is obviously optimized.
Fig. 3 is a block diagram illustrating an anti-dry heating control apparatus of a cooking appliance according to an embodiment of the present invention. In an embodiment of the present invention, the cooking appliance may be a split cooking appliance, wherein the split cooking appliance may be a split electric cooker or a split electric pressure cooker. In addition, in other embodiments of the present invention, the cooking appliance may further include an induction cooker or a frying and baking machine.
As shown in fig. 3, the dry-heating prevention control device of the cooking appliance according to the embodiment of the present invention includes: the temperature acquisition module 100, the first judgment module 200, the temperature difference acquisition module 300, the second judgment module 400 and the control module 500.
The temperature obtaining module 100 is used for obtaining the temperature in the cooking appliance in real time when the cooking appliance is operated in the frying mode.
The first determining module 200 is used for determining whether the temperature in the cooking appliance is greater than or equal to a first preset temperature.
The temperature difference obtaining module 300 is configured to obtain a temperature change difference within the cooking appliance within a preset time when the temperature within the cooking appliance is less than a first preset temperature, and determine whether the temperature change difference is greater than a preset temperature threshold.
The second determining module 400 is configured to determine whether the current power gear of the cooking appliance is a preset lowest power gear when the temperature change difference is greater than a preset temperature threshold.
The control module 500 is configured to reduce the power gear of the cooking appliance when the current power gear of the cooking appliance is not the preset lowest power gear, and then continuously determine whether the temperature in the cooking appliance is greater than or equal to a first preset temperature through the first determining module 200.
In an embodiment of the present invention, when the temperature inside the cooking appliance is greater than or equal to the first preset temperature, the control module 500 is further configured to continue to determine whether the temperature inside the cooking appliance is greater than or equal to the first preset temperature through the first determining module 200 after the cooking appliance stops heating for one period.
In an embodiment of the present invention, when the temperature inside the cooking appliance is less than the first preset temperature, if the temperature variation difference is less than or equal to the preset temperature threshold, the control module 500 continues to determine whether the temperature inside the cooking appliance is greater than or equal to the first preset temperature through the first determination module 200.
In an embodiment of the present invention, when the temperature variation difference is greater than the preset temperature threshold, if the current power gear of the cooking appliance is the preset lowest power gear, the control module 500 continues to determine whether the temperature in the cooking appliance is greater than or equal to the first preset temperature through the first determination module 200 after controlling the cooking appliance to stop heating for one period.
It should be noted that, details not disclosed in the device for controlling dry heating of a cooking appliance according to an embodiment of the present invention refer to details disclosed in the method for controlling dry heating of a cooking appliance according to an embodiment of the present invention, and detailed description thereof is omitted here.
In summary, according to the anti-dry heating control device of the cooking appliance of the embodiment of the invention, when the cooking appliance is operated in the frying mode, the temperature in the cooking appliance is acquired by the temperature acquisition module in real time, and whether the temperature in the cooking appliance is greater than or equal to the first preset temperature is judged by the first judgment module, and when the temperature in the cooking appliance is less than the first preset temperature, the temperature change difference value in the cooking appliance within the preset time is acquired by the temperature difference value acquisition module, and whether the temperature change difference value is greater than the preset temperature threshold value is judged, and then when the temperature change difference value is greater than the preset temperature threshold value, whether the current power gear of the cooking appliance is the preset lowest power gear is judged by the second judgment module, and when the current power gear of the cooking appliance is not the preset lowest power gear, the control module reduces the power gear of the cooking appliance, and then, continuously judging whether the temperature in the cooking appliance is greater than or equal to a first preset temperature through a first judging module. Therefore, the oil-lack state of the cooking appliance can be accurately identified, the power is gradually reduced, the protection effect can be achieved, the heating work can be consistent, and the daily use of the cooking appliance is obviously optimized.
In order to implement the above embodiment, the present invention further provides a cooking appliance, which includes the dry-heating prevention control device of the cooking appliance.
According to the cooking appliance provided by the embodiment of the invention, through the anti-dry heating control device of the cooking appliance, the oil-lack state of the cooking appliance can be accurately identified, so that the power is gradually reduced, a protection effect is achieved, the heating work is consistent, and the daily use of the cooking appliance is obviously optimized.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. A dry-heating prevention control method of a cooking appliance is characterized by comprising the following steps:
s1, acquiring the temperature in the cooking appliance in real time when the cooking appliance works in a frying mode;
s2, judging whether the temperature in the cooking utensil is larger than or equal to a first preset temperature or not;
s3, if the temperature in the cooking utensil is smaller than a first preset temperature, acquiring a temperature change difference value in the cooking utensil within a preset time, and judging whether the temperature change difference value is larger than a preset temperature threshold value;
s4, if the temperature change difference is larger than a preset temperature threshold, judging whether the current power gear of the cooking appliance is a preset lowest power gear;
and S5, if the current power gear of the cooking appliance is not the preset lowest power gear, reducing the power gear of the cooking appliance, returning to execute the step S2, and if the current power gear of the cooking appliance is the preset lowest power gear when the temperature change difference is larger than the preset temperature threshold, controlling the cooking appliance to stop heating for one period, and returning to execute the step S2.
2. The method of claim 1, wherein when the temperature inside the cooking appliance is not less than a first preset temperature, the cooking appliance is controlled to stop heating for one period, and then the step S2 is executed again.
3. The method of claim 1 or 2, wherein when the temperature inside the cooking appliance is less than a first preset temperature, if the temperature variation difference is less than or equal to a preset temperature threshold, the step S2 is performed again.
4. A non-transitory computer-readable storage medium having stored thereon a computer program, wherein the program, when executed by a processor, implements the anti-dry heating control method of the cooking appliance according to any one of claims 1 to 3.
5. An anti-dry heating control device of a cooking appliance, comprising:
the temperature acquisition module is used for acquiring the temperature in the cooking appliance in real time when the cooking appliance works in a frying mode;
the first judgment module is used for judging whether the temperature in the cooking appliance is greater than or equal to a first preset temperature or not;
the temperature difference value acquisition module is used for acquiring a temperature change difference value in the cooking appliance within preset time when the temperature in the cooking appliance is less than a first preset temperature, and judging whether the temperature change difference value is greater than a preset temperature threshold value or not;
the second judgment module is used for judging whether the current power gear of the cooking appliance is a preset lowest power gear or not when the temperature change difference value is larger than a preset temperature threshold value;
the control module is used for reducing the power gear of the cooking appliance when the current power gear of the cooking appliance is not a preset lowest power gear, then continuously judging whether the temperature in the cooking appliance is larger than or equal to a first preset temperature through the first judging module, and when the temperature change difference is larger than a preset temperature threshold value, if the current power gear of the cooking appliance is the preset lowest power gear, the control module controls the cooking appliance to stop heating for one period, and then continuously judging whether the temperature in the cooking appliance is larger than or equal to the first preset temperature through the first judging module.
6. The device of claim 5, wherein when the temperature inside the cooking utensil is greater than or equal to a first predetermined temperature, the control module is further configured to control the cooking utensil to stop heating for a period, and then the first determining module continues to determine whether the temperature inside the cooking utensil is greater than or equal to the first predetermined temperature.
7. The dry burning prevention control device of a cooking appliance as claimed in claim 5 or 6, wherein when the temperature inside the cooking appliance is less than a first preset temperature, if the temperature variation difference is less than or equal to a preset temperature threshold, the control module continues to determine whether the temperature inside the cooking appliance is greater than or equal to the first preset temperature through the first determination module.
8. A cooking appliance comprising the dry-fire prevention control device of the cooking appliance of any one of claims 5 to 7.
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| CN112120524B (en) * | 2019-06-25 | 2024-04-12 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance, heating control method and heating control device |
| CN111956085A (en) * | 2020-07-13 | 2020-11-20 | 华帝股份有限公司 | Water shortage detection method of cooking equipment |
| CN114305126A (en) * | 2020-09-30 | 2022-04-12 | 广东美的生活电器制造有限公司 | Dry burning detection method and device, food cooking equipment and storage medium |
| CN114098449B (en) * | 2021-12-02 | 2024-02-02 | 杭州老板电器股份有限公司 | Dry heating prevention method and device for intelligent household appliance and intelligent household appliance |
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