CN113812868A - Control method of food processing machine - Google Patents
Control method of food processing machine Download PDFInfo
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- CN113812868A CN113812868A CN202010556937.2A CN202010556937A CN113812868A CN 113812868 A CN113812868 A CN 113812868A CN 202010556937 A CN202010556937 A CN 202010556937A CN 113812868 A CN113812868 A CN 113812868A
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- 238000000034 method Methods 0.000 title claims abstract description 116
- 235000013305 food Nutrition 0.000 title claims abstract description 33
- 238000012545 processing Methods 0.000 title description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 223
- 238000004537 pulping Methods 0.000 claims abstract description 119
- 230000008569 process Effects 0.000 claims abstract description 76
- 238000009835 boiling Methods 0.000 claims abstract description 57
- 239000002002 slurry Substances 0.000 claims abstract description 55
- 238000010411 cooking Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 230000008859 change Effects 0.000 claims description 49
- 238000003756 stirring Methods 0.000 claims description 34
- 238000010298 pulverizing process Methods 0.000 claims description 8
- 239000008236 heating water Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000006870 function Effects 0.000 description 8
- 239000006260 foam Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000008258 liquid foam Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007723 transport mechanism 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
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21166—Constructional details or accessories
-
- 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
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Commercial Cooking Devices (AREA)
Abstract
The embodiment of the application provides a control method of a food processor, and the food processor comprises the following steps: the crushing device comprises a motor and a crushing blade; the temperature sensor is used for detecting the temperature of the slurry in the crushing cavity, and the main control unit performs anti-overflow detection according to the temperature of the slurry; the method comprises the following steps: confirming the current pulping stage, and detecting the temperature of the slurry in the current pulping stage in real time; comparing the slurry temperature to a current altitude boiling point; and adjusting the heating power of the heating device and the operating parameters of the motor according to the current pulping stage and the comparison result. Through the scheme of the embodiment, different heating and motor operation parameters are configured at different slurry temperatures, so that the pulping process is prevented from overflowing, the slurry temperature is ensured to meet the cooking degree, a good pulping effect is realized, and the user experience is improved.
Description
Technical Field
The present disclosure relates to control technology of cooking devices, and more particularly, to a control method of a food processor.
Background
The size molding of current food preparation machine, like soybean milk machine, tends to the miniaturization, and the motor is put down, based on cavity capacity space diminishes and cost consideration, cancels the anti-overflow electrode, only detects control through temperature sensor, has following problem among the slurrying process:
1. the temperature deviation of the slurry of pulping is caused by the deviation of the heating pipe, the overflow can be caused if the heating power is increased in the boiling stage, and the insufficient temperature of the slurry can be caused if the heating power is reduced.
2. The temperature deviation of the slurry caused by the deviation of the working voltage can cause overflow if the heating power is increased in the boiling stage, and the temperature of the slurry can be insufficient if the heating power is reduced.
3. If the set temperature is increased, a large amount of pulp foam is generated in the pulping process, and the overflow risk exists.
4. Altitude identification cannot be carried out in the pulping process, and overflow risks exist when the altitude changes.
Disclosure of Invention
The embodiment of the application provides a control method of a food processing machine, which can ensure that the pulping process does not overflow, ensure that the temperature of the pulp meets the cooking degree, realize good pulping effect and improve the user experience.
An embodiment of the present application provides a control method of a food processor, where the food processor may include: the crushing device comprises a motor and a crushing blade connected with the motor; the temperature sensor is used for detecting the temperature of the slurry in the crushing cavity, and the main control unit performs anti-overflow control according to the temperature of the slurry; the method may include:
in the pulping process, confirming the current pulping stage, and detecting the temperature T of the pulp in real time under the current pulping stage; the pulping stage comprises at least: a preheating stage and a crushing and boiling stage arranged after the preheating stage;
comparing the slurry temperature to a current altitude boiling point;
and adjusting the heating parameters of the heating device and/or the operation parameters of the motor according to the current pulping stage and the comparison result.
In an exemplary embodiment of the present application, the identifying the current pulping stage may include: detecting the pulping step of the current pulping process, and confirming the preset pulping stage to which the pulping step belongs as the current pulping stage.
In an exemplary embodiment of the present application, the adjusting the heating parameter of the heating device and/or the operation parameter of the motor according to the current pulping stage and the comparison result may include:
when T0-T is more than or equal to delta T0Executing a preset pulping process, and heating by adopting first heating power P1; wherein, T0 is the current altitude boiling point; delta T0Is a preset lower temperature limit value;
when Δ T2≤T0-T≤ΔT1Meanwhile, heating by adopting a second heating power P2, and controlling the motor to operate for N1 seconds and stop for N1 seconds to perform intermittent slurry stirring; the second heating power P2 is less than the first heating power P1; n1 is a positive number; delta T1Is a first preset temperature difference value; delta T2Is a second preset temperature difference value;
when T0-T is less than or equal to delta T2Meanwhile, heating by adopting a third heating power P3, and controlling the motor to operate for N2 seconds and stop for N2 seconds to perform intermittent slurry stirring; the third heating power P3 is less than the second heating power P2; n2 is a positive number.
In an exemplary embodiment of the present application, the heating parameters include heating power and heating duration, and when the current pulping stage is the pulverizing and decocting stage, adjusting the heating parameters of the heating device according to the current pulping stage and the comparison result may include:
when T0-T > Δ T3Executing a preset pulping process, and keeping the heating power set in the preset pulping process unchanged; delta T3Is a third predetermined temperature difference;
when Δ T4≤T0-T≤ΔT3In the meantime, the heating power P0 set in the preset pulping process is adjusted to
Alternatively, the total heating time t0 set in the preset pulping process is adjusted to
Is a fourth predetermined temperature difference;
when T0-T < delta T4And adjusting the heating and boiling time interval in the preset pulping process to be a waiting time interval.
In an exemplary embodiment of the present application, when the current pulping stage is the pulverizing and decocting stage, adjusting the operating parameter of the motor according to the current pulping stage and the comparison result may include:
when T0-T > Δ T3Executing a preset pulping process, and keeping the set motor operation parameters in the preset pulping process unchanged; delta T3Is a third predetermined temperature difference;
when Δ T4≤T0-T≤ΔT3In the process, the stirring time length D set in the preset pulping process is adjusted to
And adjusting the motor stop time d set in the preset pulping process to be
ΔT4Is a fourth predetermined temperature difference;
when T0-T < delta T4And adjusting the stirring rotation speed S set in the preset pulping process to be S + delta S, and keeping the stirring time length D and the motor stopping time length D set in the preset pulping process unchanged.
In an exemplary embodiment of the present application, the method may further include: under the water boiling function of the food processor, heating water at full power, and entering an altitude boiling point identification stage when the water temperature T1 detected by the temperature sensor is more than or equal to T2; t2 is a preset temperature point;
and calculating the water temperature change rate K in the altitude boiling point identification stage, and identifying the altitude boiling point of the current altitude according to the water temperature change rate K.
In an exemplary embodiment of the present application, the calculating the water temperature change rate K at the altitude boiling point identification stage and identifying the altitude boiling point of the current altitude according to the water temperature change rate K may include:
detecting the water temperature change quantity delta T within a first preset time period T1, and calculating the water temperature change rate K to be delta T/T1;
when the water temperature change rate K is in different change rate threshold ranges, adjusting the heating power, monitoring the change condition of the water temperature change rate K in real time, and when the water temperature change rate K is kept unchanged within a second preset time period t2, determining the currently detected water temperature as the altitude boiling point of the current altitude.
In an exemplary embodiment of the application, the adjusting the heating power when the water temperature change rate K is within different change rate threshold ranges may include:
when K1 is more than or equal to K2, the heating power is adjusted to be fourth heating power;
when K0 is more than or equal to K1, the heating power is adjusted to be the fifth heating power;
when K is less than or equal to K0, adjusting the heating power to sixth heating power;
wherein the fourth heating power is greater than the fifth heating power, and the fifth heating power is greater than the sixth heating power.
In an exemplary embodiment of the present application, the heating device may be a heating pipe; the method may further comprise: and adjusting the heating time according to the power difference of the heating pipe body.
In an exemplary embodiment of the present application, the adjusting the heating time period according to the heating tube body power difference may include: when the input voltage of the food processor is the rated voltage, the heating time length is adjusted to
Wherein W0 is the rated power of the food processor, and W is the power of the heating pipe body.
In an exemplary embodiment of the present application, the method may further include: and configuring different heating power and heating time according to different input voltages of the food processor at different pulping stages in the pulping process.
Compared with the related art, the food processor of the embodiment of the application can comprise: the crushing device comprises a motor and a crushing blade connected with the motor; the temperature sensor is used for detecting the temperature of the slurry in the crushing cavity, and the main control unit performs anti-overflow detection according to the temperature of the slurry; the method may include: in the pulping process, confirming the current pulping stage, and detecting the temperature T of the pulp in real time under the current pulping stage; the pulping stage comprises at least: a preheating stage and a crushing and boiling stage arranged after the preheating stage; comparing the slurry temperature to a current altitude boiling point; and adjusting the heating parameters of the heating device and/or the operation parameters of the motor according to the current pulping stage and the comparison result. Through the scheme of the embodiment, different heating and motor operation parameters are configured at different slurry temperatures, so that the pulping process is prevented from overflowing, the slurry temperature is ensured to meet the cooking degree, a good pulping effect is realized, and the user experience is improved.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. Other advantages of the present application may be realized and attained by the instrumentalities and combinations particularly pointed out in the specification and the drawings.
Drawings
The accompanying drawings are included to provide an understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the examples serve to explain the principles of the disclosure and not to limit the disclosure.
FIG. 1 is a flow chart of a control method of a food processor according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a water temperature change rate according to an embodiment of the present application.
Detailed Description
The present application describes embodiments, but the description is illustrative rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or instead of any other feature or element in any other embodiment, unless expressly limited otherwise.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive concept as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive aspects to form yet another unique inventive aspect, as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Further, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other orders of steps are possible as will be understood by those of ordinary skill in the art. Therefore, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Further, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.
Example one
An embodiment of the present application provides a control method of a food processor, where the food processor may include: the crushing device comprises a motor and a crushing blade connected with the motor; the temperature sensor is used for detecting the temperature of the slurry in the crushing cavity, and the main control unit performs anti-overflow detection according to the temperature of the slurry; as shown in fig. 1, the method may comprise steps S101-S103:
s101, in the pulping process, confirming the current pulping stage, and detecting the temperature T of the pulp in the current pulping stage in real time; the pulping stage comprises at least: the device comprises a preheating stage and a crushing and boiling stage arranged after the preheating stage.
In an exemplary embodiment of the present application, the identifying the current pulping stage may include: detecting the pulping step of the current pulping process, and confirming the preset pulping stage to which the pulping step belongs as the current pulping stage.
And S102, comparing the temperature of the slurry with the current altitude boiling point.
S103, adjusting the heating parameters of the heating device and/or the operation parameters of the motor according to the current pulping stage and the comparison result.
In the exemplary embodiment of the application, the scheme of the embodiment can determine the temperature of the pulp in the pulping process in different pulping stages through detection, and adaptively adjust the heating parameters and the pulping state parameters (i.e. the operation parameters of the motor) according to different states of the temperature of the pulp in different pulping stages.
By detecting the temperature T of the pulp in the pulping process in real time, different heating parameters and pulping parameters can be configured according to the relation between the temperature T of the pulp and an altitude temperature point T0 (namely an altitude boiling point).
In an exemplary embodiment of the present application, the heating parameter may include heating power, and when the current pulping stage is the preheating stage, the adjusting the heating parameter of the heating device and/or the operating parameter of the motor according to the current pulping stage and the comparison result may include:
when T0-T is more than or equal to delta T0Executing a preset pulping process, and heating by adopting first heating power P1; wherein, T0 is the current altitude boiling point; delta T0Is a preset lower temperature limit value;
when Δ T2≤T0-T≤ΔT1Meanwhile, heating by adopting a second heating power P2, and controlling the motor to operate for N1 seconds and stop for N1 seconds to perform intermittent slurry stirring; the second heating power P2 is less than the first heating power P1; n1 is a positive number; delta T1Is a first preset temperature difference value; delta T2Is a second preset temperature difference value;
when T0-T is less than or equal to delta T2Meanwhile, heating by adopting a third heating power P3, and controlling the motor to operate for N2 seconds and stop for N2 seconds to perform intermittent slurry stirring; the third heating power P3 is less than the second heating power P2; n2 is a positive number.
In an exemplary embodiment of the present application, during the pre-heating phase:
when T0-T is more than or equal to delta T0In the meantime, the main control unit may execute according to a set pulping process (i.e., a preset pulping process), and may heat with full power P (first heating power P1);
when Δ T2≤T0-T≤ΔT1Meanwhile, the main control unit can adopt half power 1/2P (second heating power P2) for heating, and can be configured to stir N1 seconds and stop N1 for intermittent stirring;
when T0-T is less than or equal to delta T2In time, the main control unit can adopt half power 1/3P (third heating power P3) to heat, and can be configured to stir N2 seconds and stop N2 intermittent stirring.
In an exemplary embodiment of the present application, the heating parameters include heating power and heating duration, and when the current pulping stage is the pulverizing and decocting stage, adjusting the heating parameters of the heating device according to the current pulping stage and the comparison result may include:
when T0-T＞ΔT3Executing a preset pulping process, and keeping the heating power set in the preset pulping process unchanged; delta T3Is a third predetermined temperature difference;
when Δ T4≤T0-T≤ΔT3In the meantime, the heating power P0 set in the preset pulping process is adjusted to
Alternatively, the total heating time t0 set in the preset pulping process is adjusted to
Is a fourth predetermined temperature difference;
when T0-T < delta T4And adjusting the heating and boiling time interval in the preset pulping process to be a waiting time interval.
In an exemplary embodiment of the present application, in the pulverizing decoction stage:
when T0-T > Δ T3During the pulping process, the main control unit can execute the pulping process according to the setting, and can not adjust the heating parameters and the operation parameters of the motor;
when Δ T4≤T0-T≤ΔT3In the process, the main control unit sets the heating power P1 and the heating time T1 set in the pulping process, and the main control unit can adjust the heating power to be the heating power according to the temperature T of the pulp
Alternatively, the heating time period is adjusted to
In a specific embodiment, the heating duration parameter can be preferably adjusted to ensure consistent boiling effect, and different motor slurry stirring parameters are configured according to different slurry temperatures;
when T0-T < delta T4In time, the main control unit can not execute heating and boiling, and the heating and boiling duration can be adjusted to be waiting duration.
In the exemplary embodiment of this application, because the machine does not have anti-overflow electrode and anti-overflow space is limited, if adopt full power heating in the whole journey in the stage of preheating, can produce a large amount of foams and lead to overflowing, through dispose different heating power at different temperature points, delay the rising speed of thick liquid foam through the low-power heating when being close boiling temperature point, guarantee that thick liquid temperature reaches the temperature point of settlement and avoid producing a large amount of foams and overflow.
In the exemplary embodiment of this application, in the stage of decocting, if will heat power increase and lead to overflowing, if will heat power reduce and lead to the thick liquid temperature not enough, main control unit through with the height above sea level boiling point comparison, different heating power of configuration and the length of time parameter of heating at different temperature points, guaranteed that the slurrying process does not overflow and thick liquid temperature satisfies the degree of cooking, realized good slurrying effect, improved user experience.
In an exemplary embodiment of the present application, when the current pulping stage is the pulverizing and decocting stage, adjusting the operating parameter of the motor according to the current pulping stage and the comparison result may include:
when T0-T > Δ T3Executing a preset pulping process, and keeping the set motor operation parameters in the preset pulping process unchanged; delta T3Is a third predetermined temperature difference;
when Δ T4≤T0-T≤ΔT3In the process, the stirring time length D set in the preset pulping process is adjusted to
And adjusting the motor stop time d set in the preset pulping process to be
ΔT4Is a fourth predetermined temperature difference;
when T0-T < delta T4And adjusting the stirring rotation speed S set in the preset pulping process to be S + delta S, and keeping the stirring time length D and the motor stopping time length D set in the preset pulping process unchanged.
In an exemplary embodiment of the present application, in the pulverizing decoction stage:
when T0-T > Δ T3In the process, the main control unit can execute the operation according to the set motor slurry stirring parameters (the operation parameters of the motor), and the set motor slurry stirring parameters are not adjusted.
When Δ T4≤T0-T≤ΔT3During the process, the main control unit sets the motor slurry stirring rotating speed S, the slurry stirring time D and the stop time D, the main control unit can adjust the slurry stirring parameters according to the slurry temperature T, the motor slurry stirring rotating speed can be kept unchanged, and the slurry stirring time can be adjusted to be
The stop time of the motor can be adjusted to
When T0-T < delta T4And the motor stirring rotating speed can be adjusted to be S + delta S, and the stirring time length and the stopping time length can be executed according to the set motor stirring parameters.
In the exemplary embodiment of the application, in the crushing and boiling stage, because the thickness of pulp foam is different according to different pulp temperatures, if the set pulp stirring parameters are adopted, the pulp foam cannot be circularly eliminated by stirring pulp, and different motor pulp stirring parameters are configured according to different pulp temperatures T, so that the pulp foam is circularly eliminated by stirring pulp under different pulp temperatures, overflow is avoided, a good pulping effect is realized, and the user experience is improved.
Example two
The embodiment is based on the first embodiment, and provides an embodiment for identifying the altitude boiling point by using a heating temperature slope method.
In an exemplary embodiment of the present application, the method may further include: under the water boiling function of the food processor, heating water at full power, and entering an altitude boiling point identification stage when the water temperature T1 detected by the temperature sensor is more than or equal to T2; t2 is a preset temperature point;
and calculating the water temperature change rate K in the altitude boiling point identification stage, and identifying the altitude boiling point of the current altitude according to the water temperature change rate K.
In an exemplary embodiment of the present application, the calculating the water temperature change rate K at the altitude boiling point identification stage and identifying the altitude boiling point of the current altitude according to the water temperature change rate K may include:
detecting the water temperature change quantity delta T within a first preset time period T1, and calculating the water temperature change rate K to be delta T/T1;
when the water temperature change rate K is in different change rate threshold ranges, adjusting the heating power, monitoring the change condition of the water temperature change rate K in real time, and when the water temperature change rate K is kept unchanged within a second preset time period t2, determining the currently detected water temperature as the altitude boiling point of the current altitude.
In an exemplary embodiment of the application, the adjusting the heating power when the water temperature change rate K is within different change rate threshold ranges may include:
when K1 is more than or equal to K2, the heating power is adjusted to be fourth heating power;
when K0 is more than or equal to K1, the heating power is adjusted to be the fifth heating power;
when K is less than or equal to K0, adjusting the heating power to sixth heating power;
wherein the fourth heating power is greater than the fifth heating power, and the fifth heating power is greater than or equal to the sixth heating power.
In the exemplary embodiment of the present application, the user selects the water boiling function to be executed, the main control unit may heat according to the full power P, and when the temperature T detected by the temperature sensor is greater than or equal to T2, the main control unit may enter the altitude boiling point identification phase, and if the temperature variation is Δ T within the set time period T1, the water temperature variation rate K is Δ T/T1. As shown in fig. 2, the water temperature change rate K is shown schematically.
In an exemplary embodiment of the present application, when K1< K2, the main control unit may adjust the heating power to 1/2P (fourth heating power) heating, and the main control unit detects the water temperature change rate K in real time;
when K0< K < K1, the main control unit can adjust the heating power to 1/3P (fifth heating power) for heating, and the main control unit can detect the water temperature change rate K in real time;
when K is not more than K0, the main control unit can adjust the heating power to 1/3P (sixth heating power) for heating, the main control unit can detect the temperature of water in real time, the water temperature change rate K does not change within a certain time period t2, and the main control unit can set the real-time temperature value as the altitude boiling point and record the temperature value in the EEPROM.
In an exemplary embodiment of the present application, since the machine does not have the anti-overflow electrode and the anti-overflow space is limited, the machine cannot recognize the altitude through the anti-overflow, and thus the altitude boiling point can be recognized through the change of the water temperature change rate K of the water boiling function.
In the exemplary embodiment of this application, the function of heating up water can adopt different heating power in different stages, can adopt full power heating below the settlement temperature point, guarantee to heat up the short as far as possible of the process that detects the judgement, match different heating power according to the temperature change rate of difference more than the settlement temperature point, solve temperature sensor and in heating chassis position, crushing intracavity temperature at the in-process of heating up water and have obvious difference in temperature and temperature sensor leads to the temperature measurement deviation and arouse elevation temperature point (elevation boiling point) erroneous judgement by the conduction of heating plate temperature, can let the temperature that the temperature is even and temperature sensor detects keep unanimous with the temperature through matching corresponding heating power when being close to elevation temperature point, thereby guarantee that elevation temperature point detects the accuracy.
In the exemplary embodiment of the application, in a set time range, when the water temperature change rate of the temperature sensor is kept unchanged, the main control unit sets the temperature point at the moment as an altitude temperature point, so that the situation that the judgment of the altitude temperature point is influenced due to the fluctuation of the detection temperature of the temperature sensor caused by factors such as bubbles around the temperature sensor in the water boiling process is avoided, the interference is eliminated, and the detection accuracy is ensured.
EXAMPLE III
This embodiment is based on any of the above embodiments, and provides an embodiment in which the heating power and the heating time period are adaptively adjusted according to the power difference of the heater tube body.
In an exemplary embodiment of the present application, the heating device may be a heating pipe; the method may further comprise: and adjusting the heating time according to the power difference of the heating pipe body.
In an exemplary embodiment of the present application, the adjusting the heating time period according to the heating tube body power difference may include: when the input voltage of the food processor is the rated voltage, the heating time length is adjusted to
Wherein W0 is the rated power of the food processor, and W is the power of the heating pipe body.
In the exemplary embodiment of the application, calibration detection can be performed before the machine leaves a factory, the machine can adopt a rated voltage, a water boiling function is selected, the main control unit can acquire a voltage V and a heating current I during full-power heating in real time, an actual electric heating tube body power value W obtained through calculation is stored in the main control EEPROM, and the machine rated power value W0 is obtained.
In an exemplary embodiment of the present application, the machine is adjusted during use according to the power difference of the heating tube body, and the adjustment when the input voltage is the rated voltage is as follows:
in the preheating stage: the main control unit can heat the slurry to a set temperature point, and can execute the slurry according to a set pulping process without adjustment;
in the stage of crushing and boiling: since the heating power gears set by the main control unit are respectively P, 1/2P, 1/3P, 1/4P and the like, when the actual power of the heating pipe is not obviously different from the rated power, the heating power cannot be adjusted, so that the heating time period t can be preferably adjusted, and the heating time period is adjusted to be P
When the power of the heating tube is positively biased, the heating time length can be shortened, and when the power of the heating tube is negatively biased, the heating time length can be lengthened.
In the exemplary embodiment of the present application, the main control unit may perform corresponding adjustment control according to the voltage difference in the actual use process.
In the exemplary embodiment of this application, because heating pipe processing technology and body deviation, there is the deviation of heating pipe heating power, when the boil out stage is carried out according to the heating parameter that sets for, there is the thick liquid high temperature that leads to overflowing or the thick liquid temperature is crossed lowly and leads to the not enough problem of cooling, through calibrating before dispatching from the factory and detecting discernment heating pipe actual parameter, according to the actual parameter of heating pipe and the relation self-adaptation adjustment heating parameter of rated parameter at the boil out stage, realize the uniformity of heating temperature and effect, good slurrying effect has been guaranteed, user experience has been improved.
Example four
The embodiment provides an embodiment of configuring different heating powers and time lengths according to different voltages at different stages in the pulping process on the basis of any embodiment.
In an exemplary embodiment of the present application, the method may further include: and configuring different heating power and heating time according to different input voltages of the food processor at different pulping stages in the pulping process.
In an exemplary embodiment of the present application, when the machine has a heating power deviation due to a voltage difference during a use process, the main control unit may detect an input voltage value V in real time, where a rated voltage is V0, and adjust a heating parameter according to a voltage condition, specifically as follows:
in the preheating stage: the main control unit can heat the slurry to a set temperature point, and can execute the slurry according to a set pulping process without adjustment;
in the stage of crushing and boiling: since the heating power gears set by the main control unit are respectively P, 1/2P, 1/3P, 1/4P and the like, when the difference between the actual voltage and the rated voltage is not obvious, the power cannot be adjusted, so that the heating time period t can be preferably adjusted, and the heating time period is adjusted to be P, 1/2P, 1/3P, 1/4P and the like
When the input voltage is positively biased, the heating time period can be shortened, and when the input voltage is negatively biased, the heating time period can be lengthened.
In the exemplary embodiment of the application, because there is the deviation in each place mains voltage, there is the excessive high problem that leads to overflowing or the thick liquid temperature is low and leads to the insufficient problem of cooling in the stage of decocting according to the heating parameter execution that sets for, adjust the heating parameter according to the actual voltage parameter that the main control unit detected and the relation self-adaptation of rated voltage parameter in the stage of decocting, realized the uniformity of heating temperature and effect, guaranteed good slurrying effect, improved user experience.
EXAMPLE five
This embodiment gives an embodiment of parameter setting on the basis of any of the embodiments described above.
In an exemplary embodiment of the present application, Δ T0The temperature can be selected from 12 ℃ to 15 ℃, for example, the temperature is preferably 15 ℃, the temperature of the slurry is ensured to be heated by full power before 85 ℃, and the temperature is adjusted according to the temperature of the slurry after 85 ℃;
ΔT18-12 ℃ can be selected, for example, 10 ℃ is preferred, half-power heating is adopted when the temperature of the slurry is 90 ℃, and the temperature of the slurry is slowly increased to reach the set temperature;
ΔT26-10 ℃ can be selected, for example, 8 ℃ is preferred, 1/3 power is adopted for heating when the temperature of the slurry is 92 ℃, and the overflow risk under the condition that the elevation of 1000 meters is not self-adaptive is avoided;
ΔT3the temperature of the slurry can be selected to be 4-6 ℃, for example, the optimal temperature is 6 ℃, the temperature of the slurry is lower than the altitude temperature of 6 ℃, the temperature of the boiled slurry is enough, and the boiling degree of the slurry is ensured;
ΔT41-3 ℃ can be selected, for example, 2 ℃ is preferred, the temperature of the slurry is lower than the altitude temperature by 2 ℃, the temperature of the boiled slurry is enough, and the overflow of the slurry due to overhigh temperature can be avoided;
the time t1 can be 25-35s, for example, preferably 30 s, to ensure that the temperature change rate is accurately detected, too long results in slow response, and too short results in abnormal detection;
the time t2 can be selected from 55-65s, for example, 60 seconds is preferable, so that the temperature is basically stable, and the detection of the altitude temperature point is accurate and reliable;
t2 can be selected to be 92-95 ℃, for example, 92 ℃ is preferred, the altitude temperature point is ensured to be detected quickly, the temperature point is 1000 m altitude temperature point, and the altitude temperature point is prevented from being detected accurately under the condition that the altitude is not self-adaptive.
In the exemplary embodiment of the application, the optimal control of the main control unit in different stages and under different conditions is ensured through parameter setting configuration, a good pulping effect is realized, and the user experience is improved.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Claims (10)
1. A method of controlling a food processor, the food processor comprising: the crushing device comprises a motor and a crushing blade connected with the motor; the temperature sensor is used for detecting the temperature of the slurry in the crushing cavity, and the main control unit performs anti-overflow control according to the temperature of the slurry; the method comprises the following steps:
in the pulping process, confirming the current pulping stage, and detecting the temperature T of the pulp in real time under the current pulping stage; the pulping stage comprises at least: a preheating stage and a crushing and boiling stage arranged after the preheating stage;
comparing the slurry temperature to a current altitude boiling point;
and adjusting the heating parameters of the heating device and/or the operation parameters of the motor according to the current pulping stage and the comparison result.
2. The control method of a food processor as claimed in claim 1, wherein the heating parameter comprises a heating power, and when the current pulping stage is the pre-heating stage, the adjusting the heating parameter of the heating device and/or the operating parameter of the motor according to the current pulping stage and the comparison result comprises:
when T0-T is more than or equal to delta T0Executing a preset pulping process, and heating by adopting first heating power P1; wherein, T0 is the current altitude boiling point; delta T0Is a preset lower temperature limit value;
when Δ T2≤T0-T≤ΔT1Meanwhile, heating by adopting a second heating power P2, and controlling the motor to operate for N1 seconds and stop for N1 seconds to perform intermittent slurry stirring; the second heating power P2 is less than the first heating power P1; n1 is a positive number; delta T1Is a first preset temperature difference value; delta T2Is a second preset temperature difference value;
when T0-T is less than or equal to delta T2When, use the third additionHeating with a thermal power P3, and controlling the motor to operate for N2 seconds and stop for N2 seconds to perform intermittent stirring; the third heating power P3 is less than the second heating power P2; n2 is a positive number.
3. The control method of a food processor as claimed in claim 1, wherein the heating parameters include heating power and heating duration, and when the current pulping stage is the pulverizing and cooking stage, the adjusting the heating parameters of the heating device according to the current pulping stage and the comparison result includes:
when T0-T > Δ T3Executing a preset pulping process, and keeping the heating power set in the preset pulping process unchanged; delta T3Is a third predetermined temperature difference;
when Δ T4≤T0-T≤ΔT3In the meantime, the heating power P0 set in the preset pulping process is adjusted to
Alternatively, the total heating time t0 set in the preset pulping process is adjusted to
ΔT4Is a fourth predetermined temperature difference;
when T0-T < delta T4And adjusting the heating and boiling time interval in the preset pulping process to be a waiting time interval.
4. The method as claimed in claim 1, wherein when the current pulping stage is the pulverizing and cooking stage, adjusting the operation parameters of the motor according to the current pulping stage and the comparison result comprises:
when T0-T > Δ T3Executing a preset pulping process, and keeping the set motor operation parameters in the preset pulping process unchanged; delta T3Is a third predetermined temperature difference;
when Δ T4≤T0-T≤ΔT3In the process, the stirring time length D set in the preset pulping process is adjusted to
And adjusting the motor stop time d set in the preset pulping process to be
ΔT4Is a fourth predetermined temperature difference;
when T0-T < delta T4And adjusting the stirring rotation speed S set in the preset pulping process to be S + delta S, and keeping the stirring time length D and the motor stopping time length D set in the preset pulping process unchanged.
5. The control method of a food processor as claimed in any one of claims 1-4, wherein the method further comprises: under the water boiling function of the food processor, heating water at full power, and entering an altitude boiling point identification stage when the water temperature T1 detected by the temperature sensor is more than or equal to T2; t2 is a preset temperature point;
and calculating the water temperature change rate K in the altitude boiling point identification stage, and identifying the altitude boiling point of the current altitude according to the water temperature change rate K.
6. The control method of a food processor as claimed in claim 5, wherein the calculating of the water temperature change rate K at the altitude boiling point identification stage and the identifying of the altitude boiling point of the current altitude according to the water temperature change rate K comprises:
detecting the water temperature change quantity delta T within a first preset time period T1, and calculating the water temperature change rate K to be delta T/T1;
when the water temperature change rate K is in different change rate threshold ranges, adjusting the heating power, monitoring the change condition of the water temperature change rate K in real time, and when the water temperature change rate K is kept unchanged within a second preset time period t2, determining the currently detected water temperature as the altitude boiling point of the current altitude.
7. The method of claim 6, wherein adjusting the heating power when the rate of change of water temperature K is within a different rate threshold comprises:
when K1 is more than or equal to K2, the heating power is adjusted to be fourth heating power;
when K0 is more than or equal to K1, the heating power is adjusted to be the fifth heating power;
when K is less than or equal to K0, adjusting the heating power to sixth heating power;
wherein the fourth heating power is greater than the fifth heating power, and the fifth heating power is greater than the sixth heating power.
8. A control method for a food processor as claimed in any one of claims 1 to 4, wherein the heating means is a heating tube; the method further comprises the following steps: and adjusting the heating time according to the power difference of the heating pipe body.
9. The method of claim 8, wherein the adjusting the heating duration based on the heating tube body power difference comprises: when the input voltage of the food processor is the rated voltage, the heating time length is adjusted to
Wherein W0 is the rated power of the food processor, and W is the power of the heating pipe body.
10. The control method of a food processor as claimed in any one of claims 1-4, wherein the method further comprises: and configuring different heating power and heating time according to different input voltages of the food processor at different pulping stages in the pulping process.
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Application publication date: 20211221 |