CN110145769B - Microwave oven, heating control method thereof and readable storage medium - Google Patents
Microwave oven, heating control method thereof and readable storage medium Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 51
- 235000013305 food Nutrition 0.000 claims abstract description 187
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
- H05B6/645—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors
- H05B6/6455—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors the sensors being infrared detectors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
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- H05B6/687—Circuits for monitoring or control for cooking
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Abstract
A heating control method of a microwave oven, in which infrared sensors for detecting temperatures of different positions are provided, the heating control method of a microwave oven comprising: heating food by adopting first preset power, and determining the position area of the food in the microwave oven according to the speed of the temperature rise speed of different positions detected by the sensor; determining an environment compensation temperature according to the position area of the food, and performing temperature compensation on the collected temperature of the food according to the environment compensation temperature to obtain a compensated temperature of the food; and performing heating control on the food according to the compensated food temperature. The food heating device has the advantages that the food heating device can effectively determine the position area of food according to the speed of temperature rise in the food heating process, and the temperature compensation calculation is carried out on the temperature of the food by combining the position area, so that more accurate food temperature can be obtained, and more accurate heating control on the food is facilitated.
Description
Technical Field
The application belongs to the field of intelligent control, and particularly relates to a microwave oven, a heating control method thereof and a readable storage medium.
Background
A microwave oven is a cooking appliance that heats food itself by absorbing microwave energy in a microwave field. Microwave that microwave generator of microwave oven produced establishes the microwave electric field in the intracavity of microwave oven, and food is put into this microwave electric field, through control culinary art time and microwave electric field intensity, can carry out the heating of multiple different modes to food, satisfies the processing and handling requirement of different edible materials.
When the food material is heated, the temperature of food in the microwave oven can be detected through the non-contact infrared sensor, and a corresponding heating strategy is adopted according to the temperature of the food, so that better cooking of the food is facilitated. However, the measurement accuracy of the infrared sensor is easily affected by water vapor, or the position of the food cannot be accurately located, so that accurate cooking control cannot be performed on the food in the food cooking process.
Disclosure of Invention
In view of this, embodiments of the present application provide a microwave oven, a heating control method thereof, and a readable storage medium, so as to solve the problem in the prior art that accurate cooking control cannot be performed on food in a food cooking process because measurement accuracy of an infrared sensor is easily affected by water vapor or a position of the food cannot be accurately located.
A first aspect of an embodiment of the present application provides a heating control method for a microwave oven, in which infrared sensors for detecting temperatures at different positions are disposed, the heating control method for a microwave oven including:
heating food by adopting first preset power, and determining the position area of the food in the microwave oven according to the speed of the temperature rise speed of different positions detected by the sensor;
determining an environment compensation temperature according to the position area of the food, and performing temperature compensation on the collected temperature of the food according to the environment compensation temperature to obtain a compensated temperature of the food;
and performing heating control on the food according to the compensated food temperature.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the step of determining a location area of the food in the microwave oven according to the speed of the temperature rise at different locations detected by the sensor includes:
determining temperature rise values of different positions according to initial temperatures of different positions and maximum temperatures of different positions detected by the infrared sensor;
and if the difference value between the maximum temperature rise value and the minimum temperature rise value is greater than or equal to a first preset temperature, selecting a position with the temperature rise value greater than the average temperature rise value to form a position area where the food is positioned.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the method further includes:
if the difference value between the maximum temperature rise value and the minimum temperature rise value is smaller than a first preset temperature, determining the temperature and the average temperature of each point in a dot matrix area on the microwave oven chassis;
if dist L is not less than distH, selecting the area formed by the points with the temperature more than or equal to the average temperature as the position area of the food;
if dist L < distH, selecting the area formed by the points with the temperature lower than the average temperature as the position area where the food is positioned;
where distH is the average distance from a center point to each point greater than or equal to the average temperature, and dist L is the average distance from a center point to each point less than the average temperature.
With reference to the first aspect, in a third possible implementation manner of the first aspect, the step of determining the environment compensation temperature according to the location area of the food includes:
determining a chassis area according to the position area of the food, and determining a temperature mean value of the chassis area according to the determined temperature mean value;
when the temperature of the collected food is greater than the average temperature value of the chassis area and less than the infrared environment temperature, selecting the average temperature value of the chassis area as the environment compensation temperature;
and when the temperature of the collected food is higher than the infrared ambient temperature, selecting the temperature of the collected food as the ambient compensation temperature.
With reference to the first aspect or the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the temperature compensating the temperature of the collected food according to the environment compensation temperature to obtain a compensated food temperature includes:
calculating the compensated food temperature according to the formula:
Temp_obj＝((Temp_raw_obj4-(1-e)*Temp_cmp4)/e)1/4
wherein, Temp _ obj is the compensated food temperature, Temp _ raw _ obj is the collected food temperature, Temp _ cmp is the environmental compensation temperature, and e is the emissivity of the food.
With reference to the first aspect, in a fifth possible implementation manner of the first aspect, the step of performing heating control on the food according to the compensated food temperature includes:
determining the temperature rise value of the current food according to the compensated food temperature;
if the temperature rise value is smaller than a second preset temperature, controlling to output second preset power;
if the temperature rise value is greater than or equal to a second preset temperature and less than a third preset temperature, controlling to output third preset power;
if the temperature rise value is greater than a third preset temperature, controlling to output fourth preset power;
when the difference value between the highest food temperature and the lowest food temperature is greater than a fourth preset temperature at the same time, on-off control of the microwave power is executed according to a preset time interval;
the second preset temperature is lower than the third preset temperature, the second preset power is higher than the third preset power, and the third preset power is higher than the fourth preset power.
With reference to the first aspect, in a sixth possible implementation manner of the first aspect, the step of performing heating control on the food according to the compensated food temperature includes:
when the food needs to be heated at a high temperature, the food is heated to a first target temperature through closed-loop control, and the heat quantity Q _ start consumed by heating the food to the first target temperature T1 is recorded;
the energy Q _ rest required to heat from the first target temperature T1 to the second target temperature T2 is calculated as (T2-65) (Q _ start-Q _ start)/(T1-Temp _ obj _ sta) according to the formula, and the expected temperature at any time T when heating from the first target temperature T1 to the second target temperature T2 is calculated: temp _ obj ═ T1+ (T1-Temp _ obj _ sta) (Q _ cur-Q _ start)/(Q _ start-Q _ start),
wherein, Q _ start is the power consumed when calculating the temperature compensation node, Temp _ obj _ sta is the compensated food temperature obtained when calculating the temperature compensation node, and Q _ cur is the currently consumed heat.
With reference to the first aspect, in a seventh possible implementation manner of the first aspect, before the step of heating the food with the first preset power and determining a location area of the food in the microwave oven according to the speed of the temperature rise at different locations detected by the sensor, the method further includes:
according to the adaptive filtering algorithm:
Temp_Amb＝Temp_amb+(IR_Temp_Amb-Temp_Amb)/Filter_param
Temps[i][j]＝Temps[i][j]+(IR_Temps[i][j]-Temps[i][j])/Filter_param
and calculating the infrared environment temperature after the self-adaptive filtering and the infrared target temperature after the self-adaptive filtering, wherein Temps [ i ] [ j ] is the infrared target temperature after the self-adaptive filtering, IR _ Temps [ i ] [ j ] is the infrared target temperature collected, Temp _ Amb is the infrared environment temperature after the self-adaptive filtering, IR _ Temp _ Amb is the infrared environment temperature collected, and Filter _ param is the self-adaptive filtering parameter.
A second aspect of the embodiments of the present application provides a microwave oven including a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the heating control method of the microwave oven according to any one of the first aspect when executing the computer program.
A third aspect of embodiments of the present application provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the heating control method of the microwave oven according to any one of the first aspect.
Compared with the prior art, the embodiment of the application has the advantages that: this application at first adopts first preset power to heat food, according to the speed of the temperature rise speed of the different positions that detect during the heating, confirms the position region of food in the microwave oven to obtain the environmental compensation temperature according to the position region of the food that confirms, carry out temperature compensation according to the temperature of environmental compensation temperature to the food of gathering, obtain the food temperature after the compensation. Because this application can be according to the effectual position area who confirms food of the speed of temperature rise speed in food heating process, and combine the position area carries out temperature compensation's calculation to the temperature of food to can obtain more accurate food temperature, be favorable to carrying out more accurate heating control to food.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flow chart illustrating a heating control method of a microwave oven according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram illustrating the detection range division of an infrared sensor of a microwave oven according to an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating an adaptive filtering effect of an infrared ambient temperature according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram illustrating an adaptive filtering effect of an infrared target temperature according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of detecting a location area of food during a thawing process according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of detecting a location area of a food item during a process of turning over heat according to an embodiment of the present application;
FIG. 7 is a schematic diagram illustrating a temperature control implementation result provided in an embodiment of the present application;
fig. 8 is a schematic view of a microwave oven according to an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
Fig. 1 is a schematic flow chart of a heating control method of a microwave oven according to an embodiment of the present application, which is detailed as follows:
in step S101, heating food with a first preset power, and determining a position area of the food in the microwave oven according to the speed of the temperature rise at different positions detected by the sensor;
the microwave oven in the embodiment of the application is provided with the infrared sensors for detecting the temperatures of different positions, so that the heating characteristics of different positions can be collected through the infrared sensors, the firepower of the microwave oven can be adjusted conveniently, and the heating uniformity is improved. The first predetermined power may be a specified proportion of full power, for example 60% of full power.
According to the requirement of the adjustment precision, different numbers of infrared sensor data can be adopted to detect the temperature of different positions of the microwave oven chassis. For example, in one possible embodiment, as shown in fig. 1, the microwave oven chassis may be divided into 8 × 8 lattice location areas. Of course, the dot matrix may be a 16 × 16 dot matrix or a 12 × 12 dot matrix, or the like.
In an embodiment preferred in this application, before detecting the speed of the temperature rise at different positions, adaptive filtering operation may be performed on the infrared target temperature data acquired in real time and the infrared ambient temperature acquired in real time, where the adaptive filtering algorithm may include:
Temp_Amb＝Temp_amb+(IR_Temp_Amb-Temp_Amb)/Filter_param
Temps[i][j]＝Temps[i][j]+(IR_Temps[i][j]-Temps[i][j])/Filter_param
the method comprises the steps of acquiring an infrared target temperature array, acquiring a temperature array, wherein IR _ Temps [ i ] [ j ] is the infrared target temperature array acquired in real time, IR _ Temp _ Amb is the infrared environment temperature acquired in real time, Temps [ i ] [ j ] is the infrared target temperature array subjected to self-adaptive filtering, the temperature array is directly called as a convenient description, Temp _ Amb is the infrared environment temperature subjected to self-adaptive filtering, and Filter _ param is a self-adaptive filtering parameter and is usually set to be 5-10. After the adaptive filtering algorithm is performed, as shown in fig. 3, a smoother adaptively filtered infrared ambient temperature curve can be obtained according to the real-time collected infrared ambient temperature curve (which is more tortuous), and as shown in fig. 4, a smoother adaptively filtered infrared target temperature curve can be obtained according to the real-time collected infrared target temperature curve (which is more tortuous).
Taking a dot matrix as an example, assuming that i and j are respectively row and column numbers, row is the total row number, col is the total column number, i is greater than or equal to 1 and less than or equal to row, and j is greater than or equal to 1 and less than or equal to col. In order to record the speed of temperature change, the filtered infrared target temperature of each position can be recorded, the maximum value and the minimum value of the temperature of each position can be determined according to the record, and the maximum value array maxTemps [ i ] [ j ] and the minimum value array minTemps [ i ] [ j ] are respectively recorded. After the microwave oven works for t0 seconds, calculating an initial temperature array IniTemps [ i ] [ j ], wherein t0 can be generally set to 0s for the flat microwave oven; for a rotary table microwave oven, t0 may be set to 10 s. After time t0, the initial temperature array value can be set to the maximum value array value, and the initial temperature array value is not changed in the whole heating process after being assigned as shown in the following formula.
IniTemps[i][j]＝maxTemps[i][j]
After time t0, the start timing (typically set to 1s timing) updates the temperature rise array TempRises [ i ] [ j ], which is equal to the maximum array minus the initial temperature array, i.e.:
TempRises[i][j]＝maxTemps[i][j]-IniTemps[i][j]。
and calculating the maximum value, the minimum value and the intermediate value in the infrared target temperature array Temps [ i ] [ j ] after the self-adaptive filtering, and respectively recording the maximum value, the minimum value and the intermediate value as the temperature maximum value maxTemp, the temperature minimum value minTemp and the temperature intermediate value midTemp. In addition, the maximum value, the minimum value and the intermediate value in the data with the value larger than 0 in the temperature rise array TempRises [ i ] [ j ] are calculated and recorded as the maximum temperature rise value maxTempRise, the minimum temperature rise value minTempRise and the intermediate temperature rise value midTempRise respectively.
In the method for identifying the position area where the food is located according to the heating speed, the following modes can be included:
determining temperature rise values TempRises [ i ] [ j ] at different positions according to initial temperatures IniTemps [ i ] [ j ] and maximum temperatures maxTemps [ i ] [ j ] at different positions detected by the infrared sensor; namely: tempris [ i ] [ j ] ═ maxTemps [ i ] [ j ] -IniTemps [ i ] [ j ].
And if the difference value between the maximum temperature rise value and the minimum temperature rise value is greater than or equal to a first preset temperature, selecting a position with the temperature rise value greater than the average temperature rise value to form a position area where the food is positioned.
Because the efficiency of microwave heat absorption of food is obviously higher than that of the chassis, under the condition that the difference of temperature change is obvious, the position area of the food can be identified according to the speed of the temperature change. That is, when the detected temperature rise speed difference of the position is greater than the predetermined value, it can be determined that the region with higher temperature is the position region where the food is located, and the specific analysis is as follows:
using maxTempRise to represent the maximum temperature rise value at the current time, maxTempRise to represent the minimum temperature rise value at the current time, and when (maxTempRise-minTempRise) ≧ T0And judging the position of the food according to the temperature rise rate. Since the temperature rise of the food is larger than the temperature rise of the bottom plate of the microwave oven (because the microwave oven bottom plate absorbs less microwaves), the area with large temperature rise is judged as the area for placing the food no matter the microwave oven is turned over or unfrozen. Therefore, temperature is increased by an array TempRises [ i ]][j]And judging the area corresponding to the infrared pixel point of which the temperature rise is greater than or equal to the middle temperature rise value midTempRise as the position for placing the food.
Or the first temperature rise mean value rise h of all infrared pixel points with temperature rises greater than or equal to the temperature rise median midtempese in the temperature rise array TempRises [ i ] [ j ] may be counted, the second temperature rise mean value rise L of all infrared pixel points with temperature rises less than the temperature rise median midtempese in the temperature rise array TempRises [ i ] [ j ] may be counted, and if the difference between the first temperature rise mean value rise h and the second temperature rise mean value rise L is greater than a preset certain threshold, the corresponding region of all infrared pixel points with temperature rises greater than or equal to the temperature rise median midtempese in the temperature rise array TempRises [ i ] [ j ] may be determined as the position where the food is placed.
After the food position is identified, a selected array selected [ row ] [ col ] is obtained, if the coordinate (i, j) is a selected infrared pixel point, the selected [ i ] [ j ] ═ 2 of the element in the selected array is set, the corresponding pixel point can be dyed with a first color, such as red, otherwise, the selected [ i ] [ j ] ═ 2 of the element in the selected array can be set, the corresponding pixel point can be dyed with a second color, such as black, and the position of the food can be subjected to area marking through dyeing.
After the food area recognition based on the temperature rise is completed, the flag register delayed may be set to 2.
In the embodiment of the application, in order to rapidly identify the food position and prevent misjudgment, T0Typically set at 8 deg.c.
In a further preferred embodiment, maxTempRise-minTempRise is determined if the difference in the rate of rise of the temperature in the heating zone is small, i.e. when the difference between the maximum value of the rise of the temperature and the minimum value of the rise of the temperature is small<T0In time, the food position can be identified and judged according to the distance, and the specific analysis is as follows:
and counting the coordinates (i, j) of all infrared pixels with the temperature being more than or equal to the temperature intermediate value midTemp in the temperature array Temps [ i ] [ j ] and a first distance mean distH of the infrared center coordinates (row/2, col/2), counting the coordinates (i, j) of all infrared pixels with the temperature being less than the temperature intermediate value midTemp in the temperature array Temps [ i ] [ j ] and a second distance mean dist L of the infrared center coordinates (row/2, col/2), and then identifying the food position according to the size relationship between the first distance mean distH and the second distance mean dist L.
When the dist L is not less than distH, the food can be judged to be in a turning state, and all areas corresponding to the infrared pixel points with the temperature being more than or equal to the temperature intermediate value midTemp in the temperature array Temps [ i ] [ j ] are judged as the position areas where the food is placed.
When dist L < distH, it can be determined that the food is in a thawing state, and the corresponding regions of all the infrared pixel points with the temperature less than the intermediate temperature value midTemp in the temperature array Temps [ i ] [ j ] are determined as the food placement position regions, if the microwave oven is used for thawing control (i.e. thawing function mode), once the food placement region is locked, the food region identification is not performed.
After the food position is identified, a selected array of selected [ row ] [ col ] is obtained, if the coordinate (i, j) is a selected infrared pixel point, the selected [ i ] [ j ] is set to be 1, the corresponding pixel point can be dyed with a third color, such as blue, and the like, otherwise, the selected [ i ] [ j ] can be set to be-1, the corresponding pixel point is dyed with a second color, such as black, and the region marking can be carried out through dyeing.
After the food area is recognized based on the distance, the flag register "delayed" may be set to 1.
Once the food area is locked, the maximum value, the minimum value and the middle value of the temperature data of the pixel points (partial pixels of selected [ i ] [ j ] > 0) corresponding to the food in the temperature array Temps [ i ] [ j ] can be calculated and are respectively recorded as the maximum value maxTemp _ food of the food temperature, the minimum value minTemp _ food of the food temperature and the middle value midTemp _ food of the food temperature.
In the embodiment of the application, for example, fig. 5 is a schematic diagram of temperature measurement of an 8 × 8 infrared plane in a thawing state, and fig. 6 is a schematic diagram of temperature measurement of an 8 × 8 infrared plane in a warming state, and it can be seen from the diagrams that the food heating region locking algorithm and the dyeing technique are correct and effective.
In step S102, determining an environmental compensation temperature according to the location area of the food, and performing temperature compensation on the collected temperature of the food according to the environmental compensation temperature to obtain a compensated temperature of the food;
when the temperature compensation is carried out on the position area of the food, different temperature compensation methods can be adopted according to the speed difference of the temperature rise speed.
The first state: when the delayed is 2, namely the difference value maxTempRise-minTempRise between the maximum temperature rise value and the minimum temperature rise value is more than or equal to T0And in addition, the emissivity of the infrared sensor and the ambient temperature compensation are allowed.
Firstly, calculating the temperature average value of infrared pixel points corresponding to a food area before compensation (namely the area corresponding to selected [ i ] [ j ] ═ 2), and recording the temperature average value as the collected food temperature Temp _ raw _ obj;
in addition, the temperature average value of the infrared pixels corresponding to the chassis area (i.e., the selected [ i ] [ j ] ═ 2 corresponding area) is calculated and recorded as the temperature average value Temp _ pad of the chassis area, and if there is no chassis area (i.e., all the infrared pixels correspond to food), the temperature average value Temp _ pad of the chassis area can be made equal to Temp _ raw _ obj (the temperature of the collected food). Assuming that the environment compensation temperature is Temp _ cmp, then:
when the acquired food temperature Temp _ raw _ obj > the average temperature Temp _ pad of the chassis area is satisfied and is less than the ambient temperature of Temp _ Amb, then the compensation temperature Temp _ cmp may be set as Temp _ pad (the average temperature of the chassis area);
when the collected food temperature Temp _ raw _ obj > Temp _ Amb (ambient temperature) is met, setting the compensation temperature Temp _ cmp to be the ambient temperature Temp _ Amb;
if none of the above conditions is satisfied, the compensation temperature Temp _ cmp is set to Temp _ raw _ obj (the collected food temperature). The compensated target temperature Temp _ obj of the food may be expressed as:
Temp_obj＝((Temp_raw_obj4-(1-e)*Temp_cmp4)/e)1/4(5)
wherein Temp _ obj is the compensated food temperature, Temp _ raw _ obj is the collected food temperature, Temp _ cmp is the environmental compensation temperature, e is the emissivity, and the emissivity of different foods is different. For liquids, e-1 is typically taken; for cooked rice, e is usually 0.35.
When the collected food temperature Temp _ raw _ obj > compensation temperature Temp _ cmp is satisfied for the first time, the energy value Q _ start that has been currently consumed and the current compensated food target temperature Temp _ obj _ sta may be recorded, and Q _ start and Temp _ obj _ sta are not updated in the following calculations.
And a second state: when delayed is 1, namely the difference value maxTempRise-minTempRise between the maximum temperature rise and the minimum temperature rise<T0In the meantime, the emissivity of the infrared sensor and the ambient temperature are not compensated.
And calculating the temperature average value of the infrared pixel points corresponding to the food area (namely the area corresponding to the selected [ i ] [ j ] ═ 1), and recording the temperature average value as the food temperature average value Temp _ obj.
In the infrared thawing mode, when the delayed is 1 for the first time, the energy value Q _ start that has been consumed currently and the current food target temperature Temp _ obj _ sta are recorded, and Q _ start and Temp _ obj _ sta are not updated in the subsequent calculation.
In step S103, heating control is performed on the food according to the compensated food temperature.
Heating control is carried out according to the compensated food temperature, different control modes can be adopted according to different heating requirements, and the following are introduced respectively:
first, thawing control
According to the compensated food temperature Temp _ obj _ sta, and in combination with the current food temperature mean Temp _ obj, calculating a temperature rise value dT of the current food to Temp _ obj-Temp _ obj _ sta, wherein the output power of the microwave oven can be controlled according to the following conditions:
if the temperature rise value is smaller than a second preset temperature, controlling to output second preset power;
if the temperature rise value is greater than or equal to a second preset temperature and less than a third preset temperature, controlling to output third preset power;
if the temperature rise value is greater than a third preset temperature, controlling to output fourth preset power;
when the difference value between the highest food temperature and the lowest food temperature is greater than a fourth preset temperature at the same time, on-off control of the microwave power is executed according to a preset time interval;
the second preset temperature is lower than the third preset temperature, the second preset power is higher than the third preset power, and the third preset power is higher than the fourth preset power.
Assuming that the microwave oven has 10 grades of output power and is arranged from small to large as P0-P10, wherein P10 is full power, P6 is 60% output power, and P6 firepower can continuously work without power reduction control. In a preferred embodiment, the second preset temperature may be any value from 3 to 5, the second preset power may be any value from P5 to P7, the third preset power may be any value from P2 to P4, and the fourth preset power may be P0.
The second preset temperature can be 3-5 ℃, the third preset temperature can be 10-14 ℃, and the fourth preset temperature can be 16-20 ℃. In addition, when the control is executed, the on-off period can be 30 seconds, the time for turning on the microwave every time can be 8-12 seconds, and the microwave output power can be a value in a range from P2 to P4.
Second, low temperature heating control
For low temperature heating control, generally, it means that the heating target temperature Tg is less than or equal to a predetermined target temperature, for example, 65 ℃, and a constant temperature control may be employed.
When heating is started, heating may be performed by using the P6 fire power, and when the food area is locked by the temperature increase method (i.e., delayed 2), the process proceeds to the constant temperature heating stage, where the constant temperature target is Tg and the constant temperature time is Tg. And (3) performing closed-loop control by adopting a two-dimensional fuzzy control algorithm, adjusting the microwave firepower P (P is more than or equal to 0 and less than or equal to P10) in real time, and counting the constant-temperature heating time th when Temp _ obj is more than or equal to Tg for the first time. When th > tg, the constant temperature heating is finished.
Because the constant temperature control adopts variable-frequency low-power heating, the uniformity of microwave heating can be effectively improved.
Third, high temperature heating control
For high temperature heating, which generally refers to the case that the heating target temperature Tg is greater than a predetermined target temperature, such as 65 ℃, an energy ratio control and temperature prediction method can be adopted to eliminate temperature measurement errors caused by moisture.
When heating is started, heating is performed by using the thermal power P6, and once the food area is locked by a temperature rise method (namely, delayed 2), the constant temperature heating stage is started, wherein the constant temperature target temperature T1 can be 65 ℃ and the constant temperature time can be 10 s. And (3) performing closed-loop control by adopting a two-dimensional fuzzy control algorithm, adjusting the microwave firepower P (P is more than or equal to 0 and less than or equal to P10) in real time, entering a high-temperature heating stage after the constant-temperature heating stage is finished, and recording the current consumed energy value Q _ T1. The energy Q _ rest required for the high temperature heating phase is:
Q_rest＝(Tg–T1)*(Q_T1-Q_start)/(T1-Temp_obj_sta)
in the high-temperature heating stage, the temperature of the food is calculated by adopting a proportion prediction method, and the temperature of the food at the time t is predicted as follows:
Temp_obj＝T1+(T1-Temp_obj_sta)*(Q_cur-Q_T1)/(Q_T1-Q_start)
where Q _ cur is the amount of energy consumed in total at time t. In the high-temperature heating stage, the microwave fire power is set to be P6; when (Tg-Temp _ obj) ≦ 3 deg.C, the microwave fire power is reduced to P3 to improve uniformity until heating is complete. When the temperature Temp _ obj is more than or equal to Tg, namely the energy of Q _ rest is consumed, the heating is finished, and the microwave is turned off.
In the embodiment of the application, the water is subjected to constant temperature heating tests at different target temperatures, the constant temperature test is carried out within the range of 40-100 ℃, each target temperature point is continuously tested for 10 times, and the infrared temperature measurement and control accuracy is less than 10 ℃ according to the result shown in fig. 7, so that the accuracy of the temperature control method provided by the invention is verified.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Fig. 8 is a schematic view of a microwave oven according to an embodiment of the present application. As shown in fig. 8, the microwave oven 8 of this embodiment includes: a processor 80, a memory 81 and a computer program 82 stored in said memory 81 and executable on said processor 80, such as a heating control program of a microwave oven. The processor 80 implements the steps in the various microwave oven heating control method embodiments described above when executing the computer program 82. Alternatively, the processor 80 implements the functions of the modules/units in the above-described device embodiments when executing the computer program 82.
Illustratively, the computer program 82 may be partitioned into one or more modules/units that are stored in the memory 81 and executed by the processor 80 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 82 in the microwave oven 8. For example, the computer program 82 may be divided into:
the food position determining unit is used for heating food by adopting first preset power and determining the position area of the food in the microwave oven according to the speed of the temperature rise speed of different positions detected by the sensor;
the temperature compensation unit is used for determining an environment compensation temperature according to the position area of the food, and performing temperature compensation on the collected temperature of the food according to the environment compensation temperature to obtain a compensated temperature of the food;
and the heating control unit is used for heating and controlling the food according to the compensated food temperature.
The microwave oven may include, but is not limited to, a processor 80, a memory 81. It will be appreciated by those skilled in the art that fig. 8 is merely an example of a microwave oven 8 and does not constitute a limitation of the microwave oven 8 and may include more or less components than those shown, or some components in combination, or different components, for example the microwave oven may also include input output devices, network access devices, buses, etc.
The Processor 80 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage 81 may be an internal storage unit of the microwave oven 8, such as a hard disk or a memory of the microwave oven 8. The memory 81 may also be an external storage device of the microwave oven 8, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the microwave oven 8. Further, the memory 81 may also include both an internal memory unit and an external memory device of the microwave oven 8. The memory 81 is used for storing the computer program and other programs and data required for the microwave oven. The memory 81 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A heating control method of a microwave oven is characterized in that infrared sensors for detecting temperatures of different positions are arranged in the microwave oven, and the heating control method of the microwave oven comprises the following steps:
heating food by adopting first preset power, and determining the position area of the food in the microwave oven according to the speed of the temperature rise speed of different positions detected by the sensor;
determining an environment compensation temperature according to the position area of the food, and performing temperature compensation on the collected temperature of the food according to the environment compensation temperature to obtain a compensated temperature of the food;
and performing heating control on the food according to the compensated food temperature.
2. The heating control method of a microwave oven as claimed in claim 1, wherein the step of determining the location area of the food in the microwave oven according to the speed of the temperature rise at different locations detected by the sensor comprises:
determining temperature rise values of different positions according to initial temperatures of different positions and maximum temperatures of different positions detected by the infrared sensor;
and if the difference value between the maximum temperature rise value and the minimum temperature rise value is greater than or equal to a first preset temperature, selecting a position with the temperature rise value greater than the average temperature rise value to form a position area where the food is positioned.
3. The heating control method of a microwave oven as claimed in claim 2, wherein the method further comprises:
if the difference value between the maximum temperature rise value and the minimum temperature rise value is smaller than a first preset temperature, determining the temperature and the average temperature of each point in a dot matrix area on the microwave oven chassis;
if dist L is not less than distH, selecting the area formed by the points with the temperature more than or equal to the average temperature as the position area of the food;
if dist L < distH, selecting the area formed by the points with the temperature lower than the average temperature as the position area where the food is positioned;
where distH is the average distance from a center point to each point greater than or equal to the average temperature, and dist L is the average distance from a center point to each point less than the average temperature.
4. The heating control method of a microwave oven as claimed in claim 1, wherein the step of determining the environment-compensated temperature according to the location area of the food comprises:
determining a chassis area according to the position area of the food, and determining a temperature mean value of the chassis area according to the determined temperature mean value;
when the temperature of the collected food is greater than the average temperature value of the chassis area and less than the infrared environment temperature, selecting the average temperature value of the chassis area as the environment compensation temperature;
and when the temperature of the collected food is higher than the infrared ambient temperature, selecting the temperature of the collected food as the ambient compensation temperature.
5. The heating control method of a microwave oven as claimed in claim 1 or 4, wherein the step of temperature-compensating the collected food temperature according to the environment compensation temperature to obtain the compensated food temperature comprises:
calculating the compensated food temperature according to the formula:
Temp_obj＝((Temp_raw_obj4-(1-e)*Temp_cmp4)/e)1/4
wherein, Temp _ obj is the compensated food temperature, Temp _ raw _ obj is the collected food temperature, Temp _ cmp is the environmental compensation temperature, and e is the emissivity of the food.
6. The heating control method of a microwave oven as claimed in claim 1, wherein the step of heating-controlling the food according to the compensated temperature of the food comprises:
determining the temperature rise value of the current food according to the compensated food temperature;
if the temperature rise value is smaller than a second preset temperature, controlling to output second preset power;
if the temperature rise value is greater than or equal to a second preset temperature and less than a third preset temperature, controlling to output third preset power;
if the temperature rise value is greater than a third preset temperature, controlling to output fourth preset power;
when the difference value between the highest food temperature and the lowest food temperature is greater than a fourth preset temperature at the same time, on-off control of the microwave power is executed according to a preset time interval;
the second preset temperature is lower than the third preset temperature, the second preset power is higher than the third preset power, and the third preset power is higher than the fourth preset power.
7. The heating control method of a microwave oven as claimed in claim 1, wherein the step of heating-controlling the food according to the compensated temperature of the food comprises:
when the food needs high-temperature heating, the food is heated to a first target temperature through closed-loop control, and the quantity of heat Q _ T1 consumed for heating the food to the first target temperature T1 is recorded;
calculating the energy Q _ rest required to heat from the first target temperature T1 to the second target temperature T2 (T2-T1) (Q _ T1-Q _ start)/(T1-Temp _ obj _ sta) according to the formula, and calculating the predicted temperature at any time T when heating from the first target temperature T1 to the second target temperature T2: temp _ obj ═ T1+ (T1-Temp _ obj _ sta) (Q _ cur-Q _ T1)/(Q _ T1-Q _ start),
wherein, Q _ start is the power consumed when calculating the temperature compensation node, Temp _ obj _ sta is the compensated food temperature obtained when calculating the temperature compensation node, Q _ T1 is the heat consumed when heating the food to T1 temperature, and Q _ cur is the currently consumed heat.
8. The heating control method of a microwave oven as claimed in claim 1, wherein before the step of heating the food with the first preset power, determining the location area of the food in the microwave oven according to the speed of the temperature rise at different locations detected by the sensor, the method further comprises:
according to the adaptive filtering algorithm:
Temp_Amb＝Temp_amb+(IR_Temp_Amb-Temp_Amb)/Filter_param
Temps[i][j]＝Temps[i][j]+(IR_Temps[i][j]-Temps[i][j])/Filter_param
and calculating the infrared environment temperature after the self-adaptive filtering and the infrared target temperature after the self-adaptive filtering, wherein Temps [ i ] [ j ] is the infrared target temperature after the self-adaptive filtering, IR _ Temps [ i ] [ j ] is the infrared target temperature collected, Temp _ Amb is the infrared environment temperature after the self-adaptive filtering, IR _ Temp _ Amb is the infrared environment temperature collected, and Filter _ param is the self-adaptive filtering parameter.
9. A microwave oven comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor implements the steps of the heating control method of the microwave oven according to any one of claims 1 to 8 when executing said computer program.
10. A computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the steps of a heating control method of a microwave oven as claimed in any one of claims 1 to 8.
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| CN110693342B (en) * | 2019-09-30 | 2021-01-01 | 广东美的厨房电器制造有限公司 | Control method of oven and oven with control method |
| CN111061193B (en) * | 2019-12-26 | 2021-06-29 | 广东美的厨房电器制造有限公司 | Cooking equipment, no-load detection method and device and storage medium |
| CN111290352A (en) * | 2020-01-23 | 2020-06-16 | 深圳市大拿科技有限公司 | Baking control method and related product |
| CN112015208A (en) * | 2020-07-17 | 2020-12-01 | 广东美的厨房电器制造有限公司 | Microwave oven, control method thereof, and computer readable medium |
| CN111897381B (en) * | 2020-07-30 | 2021-08-20 | 珠海格力电器股份有限公司 | Oven control method and device and oven |
| CN112197310A (en) * | 2020-09-30 | 2021-01-08 | 广东美的厨房电器制造有限公司 | Temperature control method, temperature control device, electronic equipment, rotary disc type microwave oven and medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750169A (en) * | 2008-12-04 | 2010-06-23 | 乐金电子(天津)电器有限公司 | Measuring method for unfrozen object in microwave oven |
| CN102003996A (en) * | 2009-08-29 | 2011-04-06 | 乐金电子(天津)电器有限公司 | Method for identifying shape, size, placing position and temperature of food in micro-wave oven |
| US8124920B1 (en) * | 2007-01-09 | 2012-02-28 | Savvy Stuff Property Trust | Controlled end-of-cook cycle and turntable return parking coincidence in a microwave oven |
| CN105979623A (en) * | 2016-05-30 | 2016-09-28 | 广东美的厨房电器制造有限公司 | Heating control method of microwave oven, heating control device, and microwave oven |
| CN108614597A (en) * | 2018-05-31 | 2018-10-02 | 广东美的厨房电器制造有限公司 | Method for heating and controlling and equipment, cooking apparatus for cooking apparatus |
| CN108758722A (en) * | 2018-04-26 | 2018-11-06 | 广东美的厨房电器制造有限公司 | Food identifies heating means, micro-wave oven, control terminal and computer storage media |
-
2019
- 2019-05-30 CN CN201910464600.6A patent/CN110145769B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8124920B1 (en) * | 2007-01-09 | 2012-02-28 | Savvy Stuff Property Trust | Controlled end-of-cook cycle and turntable return parking coincidence in a microwave oven |
| CN101750169A (en) * | 2008-12-04 | 2010-06-23 | 乐金电子(天津)电器有限公司 | Measuring method for unfrozen object in microwave oven |
| CN102003996A (en) * | 2009-08-29 | 2011-04-06 | 乐金电子(天津)电器有限公司 | Method for identifying shape, size, placing position and temperature of food in micro-wave oven |
| CN105979623A (en) * | 2016-05-30 | 2016-09-28 | 广东美的厨房电器制造有限公司 | Heating control method of microwave oven, heating control device, and microwave oven |
| CN108758722A (en) * | 2018-04-26 | 2018-11-06 | 广东美的厨房电器制造有限公司 | Food identifies heating means, micro-wave oven, control terminal and computer storage media |
| CN108614597A (en) * | 2018-05-31 | 2018-10-02 | 广东美的厨房电器制造有限公司 | Method for heating and controlling and equipment, cooking apparatus for cooking apparatus |
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