CN114098449A - Dry burning prevention method and device for intelligent household appliance and intelligent household appliance - Google Patents
Dry burning prevention method and device for intelligent household appliance and intelligent household appliance Download PDFInfo
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- CN114098449A CN114098449A CN202111459487.6A CN202111459487A CN114098449A CN 114098449 A CN114098449 A CN 114098449A CN 202111459487 A CN202111459487 A CN 202111459487A CN 114098449 A CN114098449 A CN 114098449A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000002265 prevention Effects 0.000 title claims description 7
- 238000010411 cooking Methods 0.000 claims abstract description 104
- 238000010438 heat treatment Methods 0.000 claims abstract description 99
- 238000004590 computer program Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000009841 combustion method Methods 0.000 claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 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
- A47J36/24—Warming 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
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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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Abstract
The invention provides an anti-dry heating method and device for an intelligent household appliance and the intelligent household appliance, comprising the following steps: acquiring a current cooking gear selected by a user; after the cooking appliance is heated according to first preset power corresponding to the current cooking gear, collecting first temperature at the bottom of the cooking appliance; judging whether the first temperature is greater than a preset temperature threshold value or not; if not, calculating a first temperature rise rate in the first temperature section according to the first temperature and the preset interval temperature; judging whether the first temperature rise rate is greater than a first preset slope threshold value or not; if so, continuing to heat the cooking utensil after the first preset power is reduced to the second preset power, and acquiring a second temperature at the bottom of the cooking utensil; judging whether the second temperature is greater than a preset temperature threshold or not, or whether a second temperature rise rate in a second temperature section is greater than a second preset slope threshold or not; if yes, controlling the heating part to stop heating, generating alarm information and giving an alarm; the dry-heating condition of the empty pot can be quickly detected, and the protection is started in time.
Description
Technical Field
The invention relates to the technical field of intelligent household appliance control, in particular to an anti-dry heating method and device for an intelligent household appliance and the intelligent household appliance.
Background
An insulating leather sheath is wrapped outside a temperature sensor of the IH electric cooker (for increasing the electric insulation strength), and then the temperature sensor wrapped outside the insulating leather sheath is arranged inside a shell of the aluminum cap. Referring to fig. 1 in particular, the outer shell of the aluminum cap is in direct contact with the cooking utensil, the base is used for fixing the insulating leather sheath and the outer shell of the aluminum cap, and the elastic structure ensures that the temperature sensor is in full contact with the cooking utensil.
When the system is heated, the heat of the pot bottom passes through the aluminum cap shell to the insulating leather sheath and then to the temperature sensor, and the indirect temperature measurement mode has more transmission media, so that the comparison between the temperature detected by the temperature sensor and the actual temperature of the cooking utensil has hysteresis, and the detected temperature is inaccurate. When the empty pot is used for dry heating, the temperature detected by the temperature sensor is not consistent with the actual temperature in the cooking utensil, so that the power output cannot be closed in time, and potential safety hazards exist.
Disclosure of Invention
In view of this, the invention aims to provide an anti-dry heating method and device for an intelligent household appliance and the intelligent household appliance, which can quickly detect the dry heating condition of an empty pot and start protection in time.
In a first aspect, an embodiment of the present invention provides an anti-dry heating method for an intelligent household appliance, where the method includes:
acquiring a current cooking gear selected by a user;
after a cooking appliance is heated according to a first preset power corresponding to the current cooking gear, collecting a first temperature at the bottom of the cooking appliance;
judging whether the first temperature is greater than a preset temperature threshold value or not;
if the first temperature is less than the preset temperature threshold, calculating a first temperature rise rate in the first temperature section according to the first temperature and a preset interval temperature;
judging whether the first temperature rise rate is greater than a first preset slope threshold value or not;
if the first temperature rise rate is larger than the first preset slope threshold, the first preset power is reduced to a second preset power, then the cooking appliance is continuously heated, and a second temperature at the bottom of the cooking appliance is collected;
judging whether the second temperature is greater than the preset temperature threshold or not, or whether a second temperature rise rate in the second temperature section is greater than a second preset slope threshold or not;
and if the second temperature is higher than the preset temperature threshold value, or the second temperature rise rate is higher than the second preset slope threshold value, controlling the heating part to stop heating, and generating alarm information to give an alarm.
Further, said calculating a first temperature rise rate in said first temperature zone according to said first temperature and a preset interval temperature comprises:
calculating the heated temperature according to the first temperature and the preset interval temperature;
calculating the heating time in the first temperature section according to the first temperature and the heated temperature;
calculating the first temperature rise rate in the first temperature zone according to the preset interval temperature and the heating time in the first temperature zone.
Further, the determining whether the second temperature is greater than the preset temperature threshold, or whether a second temperature rise rate in the second temperature section is greater than a second preset slope threshold, further includes:
if the second temperature is less than or equal to the preset temperature threshold and the second temperature rise rate is less than or equal to the second preset slope threshold, continuing to heat the cooking appliance by using the first preset power.
Further, the determining whether the first temperature is greater than a preset temperature threshold further includes:
if the first temperature is higher than the preset temperature threshold, controlling the heating component to stop heating, and generating alarm information to give an alarm;
the preset temperature threshold is the maximum protection temperature of the cooking appliance in the cooking process.
Furthermore, the heating component at least comprises one or more of a coil panel, a heating panel and a heating tube.
In a second aspect, an embodiment of the present invention provides an anti-dry heating apparatus for an intelligent household appliance, where the apparatus includes:
the cooking gear acquiring unit is used for acquiring a current cooking gear selected by a user;
the first temperature acquisition unit is used for acquiring a first temperature at the bottom of the cooking appliance after the cooking appliance is heated according to a first preset power corresponding to the current cooking gear;
the first judging unit is used for judging whether the first temperature is greater than a preset temperature threshold value or not;
a first temperature rise rate calculation unit, configured to calculate a first temperature rise rate in the first temperature section according to the first temperature and a preset interval temperature when the first temperature is less than the preset temperature threshold;
the second judging unit is used for judging whether the first temperature rise rate is greater than a first preset slope threshold value or not;
the second temperature acquisition unit is used for reducing the first preset power to a second preset power and then continuously heating the cooking utensil and acquiring a second temperature at the bottom of the cooking utensil under the condition that the first temperature rise rate is greater than the first preset slope threshold value;
a third determining unit, configured to determine whether the second temperature is greater than the preset temperature threshold, or whether a second temperature rise rate in the second temperature segment is greater than a second preset slope threshold;
and the control unit is used for controlling the heating part to stop heating and generating alarm information to give an alarm under the condition that the second temperature is greater than the preset temperature threshold value or the second temperature rise rate is greater than the second preset slope threshold value.
Further, the first temperature rise rate calculation unit is specifically configured to:
calculating the heated temperature according to the first temperature and the preset interval temperature;
calculating the heating time in the first temperature section according to the first temperature and the heated temperature;
calculating the first temperature rise rate in the first temperature zone according to the preset interval temperature and the heating time in the first temperature zone.
In a third aspect, an embodiment of the present invention provides an intelligent household appliance, including the above-mentioned dry-heating prevention device for an intelligent household appliance, further including a housing and a heating component, where the housing and the heating component form an accommodating chamber, the cooking appliance is disposed in the accommodating chamber, a through hole is disposed in the center of the heating component, and a temperature sensor contacts with the cooking appliance through the through hole.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including a memory and a processor, where the memory stores a computer program executable on the processor, and the processor implements the method described above when executing the computer program.
In a fifth aspect, embodiments of the invention provide a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method as described above.
The embodiment of the invention provides an anti-dry heating method and device for an intelligent household appliance and the intelligent household appliance, wherein the anti-dry heating method comprises the following steps: acquiring a current cooking gear selected by a user; after the cooking appliance is heated according to first preset power corresponding to the current cooking gear, collecting first temperature at the bottom of the cooking appliance; judging whether the first temperature is greater than a preset temperature threshold value or not; if the first temperature is less than the preset temperature threshold, calculating a first temperature rise rate in the first temperature section according to the first temperature and the preset interval temperature; judging whether the first temperature rise rate is greater than a first preset slope threshold value or not; if the first temperature rise rate is larger than a first preset slope threshold value, the first preset power is reduced to a second preset power, then the cooking appliance is continuously heated, and a second temperature at the bottom of the cooking appliance is collected; judging whether the second temperature is greater than a preset temperature threshold or not, or whether a second temperature rise rate in a second temperature section is greater than a second preset slope threshold or not; if the second temperature is greater than a preset temperature threshold value or the second temperature rise rate is greater than a second preset slope threshold value, controlling the heating part to stop heating, and generating alarm information to give an alarm; the dry-heating condition of the empty pot can be quickly detected, and the protection is started in time.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a conventional intelligent household appliance;
fig. 2 is a flowchart of an anti-dry heating method for an intelligent household appliance according to an embodiment of the present invention;
fig. 3 is a flowchart of an anti-dry heating method for another intelligent household appliance according to the second embodiment of the present invention;
fig. 4 is a schematic view of an anti-dry heating device for an intelligent household appliance according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of an intelligent home appliance according to a fourth embodiment of the present invention.
Icon:
1-a heating means; 2-a housing; 3-a cooking appliance; 4-a temperature sensor; 5-a through hole; 11-a cooking gear acquisition unit; 12-a first temperature acquisition unit; 13-a first judgment unit; 14-a first temperature rise rate calculation unit; 15-a second judging unit; 16-a second temperature acquisition unit; 17-a third determination unit; 18-a control unit.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The first embodiment is as follows:
fig. 2 is a flowchart of an anti-dry heating method for an intelligent household appliance according to an embodiment of the present invention.
Referring to fig. 2, the method includes the steps of:
step S101, acquiring a current cooking gear selected by a user;
step S102, collecting a first temperature at the bottom of a cooking appliance after the cooking appliance is heated according to a first preset power corresponding to a current cooking gear;
here, a first temperature of the bottom of the cooking appliance may be collected by the temperature sensor, the first temperature is sent to the main controller, and the main controller performs the following steps to realize dry burning prevention detection.
Step S103, judging whether the first temperature is greater than a preset temperature threshold value;
step S104, if the first temperature is smaller than a preset temperature threshold, calculating a first temperature rise rate in the first temperature section according to the first temperature and a preset interval temperature;
specifically, whether the first temperature is greater than a preset temperature threshold Tx or not is judged, if so, overheat protection is started, the heating component is controlled to stop heating, and alarm information is generated to give an alarm; if the value is less than Tx, further detection is continued. The preset temperature threshold Tx is the maximum protection temperature of the cooking appliance in the cooking process, preferably 250 ℃, and is generally 230-260 ℃.
Step S105, judging whether the first temperature rise rate is greater than a first preset slope threshold value;
step S106, if the first temperature rise rate is larger than a first preset slope threshold, the first preset power is reduced to a second preset power, then the cooking utensil is continuously heated, and a second temperature at the bottom of the cooking utensil is collected;
when the first temperature rise rate is larger than a first preset slope threshold value Bmn, reducing the first preset power to a second preset power, continuing to heat the cooking utensil, and collecting a second temperature at the bottom of the cooking utensil; when the first temperature-rising rate is less than or equal to the first preset slope threshold Bmn, the step S104 is continuously executed.
Step S107, judging whether the second temperature is greater than a preset temperature threshold or not, or whether a second temperature rise rate in a second temperature section is greater than a second preset slope threshold or not;
and S108, if the second temperature is greater than a preset temperature threshold value or the second temperature rise rate is greater than a second preset slope threshold value, controlling the heating part to stop heating, and generating alarm information to give an alarm.
Here, it is determined whether the second temperature is greater than Tx, or Kn +1 is greater than a second preset slope threshold Bmn + 1; if not, continuing to heat the cooking appliance by adopting the first preset power; if the temperature is larger than the preset temperature, the heating component is controlled to stop heating, and alarm information is generated to give an alarm.
Further, step S104 includes the steps of:
step S301, calculating the heated temperature according to the first temperature and a preset interval temperature;
step S302, calculating the heating time in the first temperature section according to the first temperature and the heated temperature;
step S303, calculating a first temperature rise rate in the first temperature zone according to the preset interval temperature and the heating time in the first temperature zone.
Specifically, calculating the heated temperature according to the first temperature and a preset interval temperature; and calculating the heating time in the first temperature section according to the first temperature and the heated temperature. For example, the current temperature detected when cooking is started is 25 ℃, the preset interval temperature Δ T is 10 ℃, and when the temperature is heated to 35 ℃, the main controller records the heating time Δ T1 required by the first temperature section (25 ℃ -35 ℃); when heating from 35 ℃ to 45 ℃, the main controller records the heating time delta t2 required by the second temperature section (35 ℃ -45 ℃); in this way, the delta T can be obtained according to simulation experiment data, generally 10-40 ℃, and the condition that whether the temperature rise rate exceeds the standard or not can be judged according to different temperature sections is ensured.
Calculating a first rate of temperature rise within the first temperature zone according to equation (1):
Kn＝△T/△tn (1)
wherein Kn is the first temperature rise rate, DeltaT is the preset interval temperature, and Deltatn is the heating time in the first temperature section.
Further, step S107 further includes:
and if the second temperature is less than or equal to the preset temperature threshold value and the second temperature rise rate is less than or equal to the second preset slope threshold value, continuing to heat the cooking appliance by adopting the first preset power.
Further, step S103 further includes:
if the first temperature is higher than a preset temperature threshold value, controlling the heating part to stop heating, and generating alarm information to give an alarm;
the preset temperature threshold is the maximum protection temperature of the cooking appliance in the cooking process.
Furthermore, the heating component at least comprises one or more of a coil panel, a heating panel and a heating tube.
The embodiment of the invention provides an anti-dry heating method of an intelligent household appliance, which comprises the following steps: acquiring a current cooking gear selected by a user; after the cooking appliance is heated according to first preset power corresponding to the current cooking gear, collecting first temperature at the bottom of the cooking appliance; judging whether the first temperature is greater than a preset temperature threshold value or not; if the first temperature is less than the preset temperature threshold, calculating a first temperature rise rate in the first temperature section according to the first temperature and the preset interval temperature; judging whether the first temperature rise rate is greater than a first preset slope threshold value or not; if the first temperature rise rate is larger than a first preset slope threshold value, the first preset power is reduced to a second preset power, then the cooking appliance is continuously heated, and a second temperature at the bottom of the cooking appliance is collected; judging whether the second temperature is greater than a preset temperature threshold or not, or whether a second temperature rise rate in a second temperature section is greater than a second preset slope threshold or not; if the second temperature is greater than a preset temperature threshold value or the second temperature rise rate is greater than a second preset slope threshold value, controlling the heating part to stop heating, and generating alarm information to give an alarm; the dry-heating condition of the empty pot can be quickly detected, and the protection is started in time.
Example two:
fig. 3 is a flowchart of another dry-heating prevention method for an intelligent home appliance according to the second embodiment of the present invention.
Referring to fig. 3, the method includes the steps of:
step S201, acquiring a current cooking gear selected by a user;
step S202, collecting a first temperature at the bottom of the cooking appliance after the cooking appliance is heated according to a first preset power corresponding to a current cooking gear;
step S203, judging whether the first temperature is greater than a preset temperature threshold value; if the first temperature is less than the preset temperature threshold, executing step S204; if the first temperature is greater than the preset temperature threshold, executing step S207;
step S204, calculating the heated temperature according to the first temperature and the preset interval temperature;
step S205, calculating the heating time in the first temperature zone according to the first temperature and the heated temperature;
step S206, calculating a first temperature rise rate in the first temperature section according to the preset interval temperature and the heating time in the first temperature section;
step S207, controlling the heating component to stop heating, generating alarm information and giving an alarm;
step S208, judging whether the first temperature rise rate is greater than a first preset slope threshold value; if the first temperature rise rate is greater than the first preset slope threshold, executing step S209; if the first temperature-rising rate is less than or equal to the first preset slope threshold, continuing to execute step S206;
step S209, the cooking utensil is continuously heated after the first preset power is reduced to the second preset power, and the second temperature at the bottom of the cooking utensil is collected;
step S210, judging whether the second temperature is greater than a preset temperature threshold or not, or whether a second temperature rise rate in a second temperature section is greater than a second preset slope threshold or not; if the second temperature is greater than the preset temperature threshold, or the second temperature rise rate is greater than a second preset slope threshold, executing step S207; if the second temperature is less than or equal to the preset temperature threshold and the second temperature-rising rate is less than or equal to the second preset slope threshold, step S202 is executed.
Example three:
fig. 4 is a schematic view of an anti-dry heating device for an intelligent household appliance according to a third embodiment of the present invention.
Referring to fig. 4, the apparatus includes:
a cooking gear obtaining unit 11, configured to obtain a current cooking gear selected by a user;
the first temperature acquisition unit 12 is used for acquiring a first temperature at the bottom of the cooking appliance after the cooking appliance is heated according to a first preset power corresponding to the current cooking gear;
a first judging unit 13, configured to judge whether the first temperature is greater than a preset temperature threshold;
a first temperature-rise rate calculation unit 14 for calculating a first temperature-rise rate in the first temperature zone from the first temperature and a preset interval temperature in a case where the first temperature is less than a preset temperature threshold;
a second judging unit 15, configured to judge whether the first temperature rise rate is greater than a first preset slope threshold;
the second temperature acquisition unit 16 is configured to, when the first temperature rise rate is greater than the first preset slope threshold, decrease the first preset power to a second preset power, then continue to heat the cooking appliance, and acquire a second temperature at the bottom of the cooking appliance;
a third determining unit 17, configured to determine whether the second temperature is greater than a preset temperature threshold, or whether a second temperature rise rate in the second temperature segment is greater than a second preset slope threshold;
and the control unit 18 is used for controlling the heating component to stop heating and generating alarm information to give an alarm under the condition that the second temperature is greater than the preset temperature threshold value or the second temperature rise rate is greater than the second preset slope threshold value.
The embodiment of the invention provides an anti-dry heating device of an intelligent household appliance, which comprises: acquiring a current cooking gear selected by a user; after the cooking appliance is heated according to first preset power corresponding to the current cooking gear, collecting first temperature at the bottom of the cooking appliance; judging whether the first temperature is greater than a preset temperature threshold value or not; if the first temperature is less than the preset temperature threshold, calculating a first temperature rise rate in the first temperature section according to the first temperature and the preset interval temperature; judging whether the first temperature rise rate is greater than a first preset slope threshold value or not; if the first temperature rise rate is larger than a first preset slope threshold value, the first preset power is reduced to a second preset power, then the cooking appliance is continuously heated, and a second temperature at the bottom of the cooking appliance is collected; judging whether the second temperature is greater than a preset temperature threshold or not, or whether a second temperature rise rate in a second temperature section is greater than a second preset slope threshold or not; if the second temperature is greater than a preset temperature threshold value or the second temperature rise rate is greater than a second preset slope threshold value, controlling the heating part to stop heating, and generating alarm information to give an alarm; the dry-heating condition of the empty pot can be quickly detected, and the protection is started in time.
Example four:
fig. 5 is a schematic structural diagram of an intelligent home appliance according to a fourth embodiment of the present invention.
Referring to fig. 5, the intelligent household appliance comprises the dry-heating preventing device of the intelligent household appliance, and further comprises a housing 2 and a heating component 1, wherein the housing 2 and the heating component 1 form an accommodating chamber, a cooking appliance 3 is arranged in the accommodating chamber, a through hole 5 is formed in the center of the heating component 1, and a temperature sensor 4 is in contact with the cooking appliance 3 through the through hole 5.
Specifically, the heating member 1 is located directly below the cooking appliance 3, and heats the cooking appliance 3 by electromagnetic induction. Wherein, be provided with the magnetic stripe on cooking utensil 3, the effect of magnetic stripe is for guiding the magnetic line of force upwards to concentrate on cooking utensil 3's bottom, offsets the electromagnetic induction that heating part 1 produced downwards, ensures that heating part 1 can not the reverse heating, protects the below subassembly.
Because temperature sensor 4 passes through 5 and cooking utensil 3 direct contact of through-hole, when intelligent household electrical appliances during operation, heating part 1 heats cooking utensil 3 through electromagnetic induction, and on heat transfer reached temperature sensor 4, made temperature sensor 4 acquire the temperature of cooking utensil 3 bottom to detect its culinary art state.
The embodiment of the invention also provides electronic equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the steps of the anti-dry heating method of the intelligent household appliance provided by the embodiment when executing the computer program.
The embodiment of the present invention further provides a computer readable medium having a non-volatile program code executable by a processor, where the computer readable medium stores a computer program, and the computer program is executed by the processor to perform the steps of the method for preventing dry-heating of an intelligent household appliance according to the above embodiment.
The computer program product provided in the embodiment of the present invention includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An anti-dry heating method for an intelligent household appliance is characterized by comprising the following steps:
acquiring a current cooking gear selected by a user;
after a cooking appliance is heated according to a first preset power corresponding to the current cooking gear, collecting a first temperature at the bottom of the cooking appliance;
judging whether the first temperature is greater than a preset temperature threshold value or not;
if the first temperature is less than the preset temperature threshold, calculating a first temperature rise rate in the first temperature section according to the first temperature and a preset interval temperature;
judging whether the first temperature rise rate is greater than a first preset slope threshold value or not;
if the first temperature rise rate is larger than the first preset slope threshold, the first preset power is reduced to a second preset power, then the cooking appliance is continuously heated, and a second temperature at the bottom of the cooking appliance is collected;
judging whether the second temperature is greater than the preset temperature threshold or not, or whether a second temperature rise rate in the second temperature section is greater than a second preset slope threshold or not;
and if the second temperature is higher than the preset temperature threshold value, or the second temperature rise rate is higher than the second preset slope threshold value, controlling the heating part to stop heating, and generating alarm information to give an alarm.
2. The method of claim 1, wherein the calculating a first temperature rise rate in the first temperature zone according to the first temperature and a preset interval temperature comprises:
calculating the heated temperature according to the first temperature and the preset interval temperature;
calculating the heating time in the first temperature section according to the first temperature and the heated temperature;
calculating the first temperature rise rate in the first temperature zone according to the preset interval temperature and the heating time in the first temperature zone.
3. The method of claim 1, wherein the determining whether the second temperature is greater than the predetermined temperature threshold or whether a second temperature rise rate in the second temperature range is greater than a second predetermined slope threshold further comprises:
if the second temperature is less than or equal to the preset temperature threshold and the second temperature rise rate is less than or equal to the second preset slope threshold, continuing to heat the cooking appliance by using the first preset power.
4. The method of claim 1, wherein the determining whether the first temperature is greater than a predetermined temperature threshold further comprises:
if the first temperature is higher than the preset temperature threshold, controlling the heating component to stop heating, and generating alarm information to give an alarm;
the preset temperature threshold is the maximum protection temperature of the cooking appliance in the cooking process.
5. The dry heating prevention method for intelligent household appliances according to claim 1, wherein the heating component at least comprises one or more of a coil panel, a heating panel and a heating tube.
6. The utility model provides an intelligence household electrical appliances prevent dry combustion method device which characterized in that, the device includes:
the cooking gear acquiring unit is used for acquiring a current cooking gear selected by a user;
the first temperature acquisition unit is used for acquiring a first temperature at the bottom of the cooking appliance after the cooking appliance is heated according to a first preset power corresponding to the current cooking gear;
the first judging unit is used for judging whether the first temperature is greater than a preset temperature threshold value or not;
a first temperature rise rate calculation unit, configured to calculate a first temperature rise rate in the first temperature section according to the first temperature and a preset interval temperature when the first temperature is less than the preset temperature threshold;
the second judging unit is used for judging whether the first temperature rise rate is greater than a first preset slope threshold value or not;
the second temperature acquisition unit is used for reducing the first preset power to a second preset power and then continuously heating the cooking utensil and acquiring a second temperature at the bottom of the cooking utensil under the condition that the first temperature rise rate is greater than the first preset slope threshold value;
a third determining unit, configured to determine whether the second temperature is greater than the preset temperature threshold, or whether a second temperature rise rate in the second temperature segment is greater than a second preset slope threshold;
and the control unit is used for controlling the heating part to stop heating and generating alarm information to give an alarm under the condition that the second temperature is greater than the preset temperature threshold value or the second temperature rise rate is greater than the second preset slope threshold value.
7. The dry burning prevention device of an intelligent household appliance according to claim 6, wherein the first temperature rise rate calculation unit is specifically configured to:
calculating the heated temperature according to the first temperature and the preset interval temperature;
calculating the heating time in the first temperature section according to the first temperature and the heated temperature;
calculating the first temperature rise rate in the first temperature zone according to the preset interval temperature and the heating time in the first temperature zone.
8. An intelligent household electrical appliance, characterized in that, includes claim 6 or 7 the intelligent household electrical appliance prevent dry combustion method device, still includes shell and heater block, the shell with the heater block constitutes the holding chamber, cooking utensil sets up in the holding chamber, the center of heater block is provided with the through-hole, temperature sensor passes through the through-hole with cooking utensil contact.
9. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any of claims 1 to 5 when executing the computer program.
10. A computer-readable medium having non-volatile program code executable by a processor, wherein the program code causes the processor to perform the method of any of claims 1 to 5.
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