CN110579294A - Temperature correction method, cooking utensil and medium - Google Patents
Temperature correction method, cooking utensil and medium Download PDFInfo
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- CN110579294A CN110579294A CN201910803512.4A CN201910803512A CN110579294A CN 110579294 A CN110579294 A CN 110579294A CN 201910803512 A CN201910803512 A CN 201910803512A CN 110579294 A CN110579294 A CN 110579294A
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Abstract
The application provides a temperature correction method, a cooking appliance and a computer readable medium. Wherein the method comprises the following steps: under the condition that a cooking appliance is in an idle state and the internal temperature is normal temperature, acquiring a plurality of temperature values measured by a plurality of temperature sensors in the cooking appliance; according to the measured temperature values, selecting an abnormal temperature sensor needing temperature compensation from the temperature sensors, and determining a temperature compensation value aiming at the abnormal temperature sensor; and after the cooking appliance starts to work, correcting the temperature value measured by the abnormal temperature sensor according to the temperature compensation value. This application can obtain comparatively accurate temperature value through the correction, and then realize accurate accuse temperature, cooks on this basis and can effectively ensure the culinary art quality, can effectively avoid cooking utensil cavity internal high temperature to cause the conflagration simultaneously, eliminates the potential safety hazard.
Description
Technical Field
The application relates to the technical field of cooking appliances, in particular to a temperature correction method, a cooking appliance and a computer readable medium.
background
Along with the improvement of people's quality of life, people require more and more high to cooking utensil's accurate accuse temperature, and more cooking utensil has been equipped with cavity temperature sensor in order to carry out accurate control to the culinary art temperature, and further, some cooking utensil has still configured temperature probe, and through eating the material with the culinary art such as inserting meat with temperature probe, can realize monitoring and controlling the culinary art temperature more accurately, wherein the temperature probe of single-point, three-point and five-point uses at most.
Along with cooking utensil time of using is more for a long time, under the adverse circumstances of high temperature and high humidity, can cause temperature sensor's ageing easily, lead to the measured temperature value inaccurate, but cooking utensil itself can't learn whether temperature sensor has aged, under this kind of condition, based on unsafe measured temperature value, lead to the culinary art temperature control deviation easily, and then influence the culinary art effect, and lead to the cavity internal temperature too high and cause the conflagration easily, have great potential safety hazard.
disclosure of Invention
An object of the present application is to provide a temperature correction method, a cooking appliance and a computer readable medium.
a first aspect of the present application provides a temperature correction method, including:
Under the condition that a cooking appliance is in an idle state and the internal temperature is normal temperature, acquiring a plurality of temperature values measured by a plurality of temperature sensors in the cooking appliance;
According to the measured temperature values, selecting an abnormal temperature sensor needing temperature compensation from the temperature sensors, and determining a temperature compensation value aiming at the abnormal temperature sensor;
and after the cooking appliance starts to work, correcting the temperature value measured by the abnormal temperature sensor according to the temperature compensation value.
In some embodiments of the first aspect of the present application, before obtaining a plurality of temperature values measured by a plurality of temperature sensors inside a cooking appliance when the cooking appliance is in an idle state and an internal temperature is a normal temperature, the method further includes:
after detecting that the duration of the cooking appliance in the idle state exceeds a preset duration threshold, determining that the cooking appliance is in the idle state and the internal temperature is normal temperature; alternatively, the first and second electrodes may be,
After the cooking appliance is detected to be in an idle state and the change rate of the internal temperature in unit time is smaller than a preset change rate threshold value, the cooking appliance is determined to be in the idle state and the internal temperature is normal temperature.
In some embodiments of the first aspect of the present application, the selecting an abnormal temperature sensor to be temperature compensated from the plurality of temperature sensors according to the measured temperature values, and determining a temperature compensation value for the abnormal temperature sensor includes:
Dividing the plurality of temperature sensors into normal temperature sensors and abnormal temperature sensors according to the discrete degrees of the plurality of temperature values measured by the plurality of temperature sensors by using a binary method;
And determining a difference value between the temperature value measured by the abnormal temperature sensor and a normal temperature average value as a temperature compensation value for the abnormal temperature sensor, wherein the normal temperature average value is an average value of the temperature values measured by the normal temperature sensor.
In some embodiments of the first aspect of the present application, the classifying the plurality of temperature sensors into normal temperature sensors and abnormal temperature sensors according to the degree of dispersion of the plurality of temperature values measured by the plurality of temperature sensors using a classification method includes:
Selecting a first abnormal temperature value with a difference value larger than a preset abnormal judgment threshold value from the temperature values, wherein the first average value is the average value of the temperature values;
Determining the temperature sensor corresponding to the first abnormal temperature value as an abnormal temperature sensor needing temperature compensation;
determining the other temperature sensors of the plurality of temperature sensors except the abnormal temperature sensor as normal temperature sensors.
in some embodiments of the first aspect of the present application, the method further comprises:
calculating the difference between every two of the temperature values;
And playing maintenance alarm information which indicates that at least one temperature sensor in the cooking equipment needs to be maintained under the condition that at least one difference value is larger than a preset alarm judgment threshold value.
In some embodiments of the first aspect of the present application, the method further comprises:
Selecting a second abnormal temperature value with a difference value larger than a preset maintenance judgment threshold value from the plurality of temperature values, wherein the first average value is the average value of the plurality of temperature values;
determining the temperature sensor corresponding to the second abnormal temperature value as a temperature sensor to be maintained;
And playing maintenance alarm information aiming at the temperature sensor to be maintained.
In some embodiments of the first aspect of the present application, the plurality of temperature sensors comprises a cavity temperature sensor provided on the cooking appliance cavity and a probe temperature sensor provided on a temperature probe.
In some embodiments of the first aspect of the present application, before acquiring the plurality of temperature values measured by the plurality of temperature sensors inside the cooking appliance, the method further includes:
detecting whether a temperature probe is placed on a temperature probe support, wherein the temperature probe support is arranged in the cooking appliance;
triggering and executing the step of acquiring a plurality of temperature values measured by a plurality of temperature sensors inside the cooking appliance under the condition that the temperature probe is detected to be placed on the temperature probe support.
In some embodiments of the first aspect of the present application, the detecting whether the temperature probe has been placed on the temperature probe holder comprises:
and judging whether the temperature probe is arranged on the temperature probe bracket according to whether a microswitch arranged on the temperature probe bracket is triggered.
In some embodiments of the first aspect of the present application, the selecting an abnormal temperature sensor to be temperature compensated from the plurality of temperature sensors according to the measured temperature values, and determining a temperature compensation value for the abnormal temperature sensor includes:
Determining the cavity temperature sensor as an abnormal temperature sensor needing temperature compensation under the condition that the difference value between the temperature value measured by the cavity temperature sensor and a second average value is larger than a preset abnormal judgment threshold value, wherein the second average value is the average value of the temperature values measured by at least one probe temperature sensor;
Determining a difference between the temperature value measured by the cavity temperature sensor and the second average value as a temperature compensation value for the abnormal temperature sensor.
In some embodiments of the first aspect of the present application, the method further comprises:
And playing maintenance alarm information aiming at the cavity temperature sensor under the condition that the difference value between the temperature value measured by the cavity temperature sensor and a second average value is greater than a preset maintenance judgment threshold value, wherein the second average value is the average value of the temperature values measured by at least one probe temperature sensor.
The present application provides in a second aspect a cooking appliance comprising: memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor executes the computer program when executing the computer program to implement the method of the first aspect of the application.
In some embodiments of the second aspect of the present application, the cooking appliance comprises an oven or a steam oven.
in some embodiments of the second aspect of the present application, a temperature probe holder for holding a temperature probe is provided within the cooking appliance;
The temperature probe support is provided with a temperature probe detection device, and the temperature probe detection device is connected with the processor and used for detecting whether the temperature probe is arranged on the temperature probe support or not and sending a detection result to the processor.
In some embodiments of the second aspect of the present application, the temperature probe detection device comprises a microswitch.
A third aspect of the present application provides a computer readable medium having computer readable instructions stored thereon which are executable by a processor to implement the method of the first aspect of the present application.
Compared with the prior art, the temperature correction method that this application provided acquires through being in idle state and under the condition that inside temperature is the normal atmospheric temperature at cooking utensil a plurality of temperature values of the inside a plurality of temperature sensor measurement of cooking utensil to can be according to measuring a plurality of temperature values follow select among a plurality of temperature sensor and need carry out temperature compensation's abnormal temperature sensor, and confirm to abnormal temperature sensor's temperature compensation value, and after cooking utensil begins to work, according to the temperature compensation value is to abnormal temperature sensor measurement's temperature value is rectified. Because the temperature value that each temperature sensor measured under the normal atmospheric temperature environment should be unanimous, consequently, according to a plurality of temperature values of actual measurement, can confirm unusual temperature sensor, and rectify unusual temperature sensor measuring temperature value after cooking utensil begins to work, on the one hand, can obtain comparatively accurate temperature value through the correction, and then realize accurate accuse temperature, cook on this basis and can effectively ensure the culinary art quality, on the other hand, can effectively avoid the too high conflagration that causes of cooking utensil cavity internal temperature, eliminate the potential safety hazard.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 illustrates a flow chart of a method of temperature correction provided by some embodiments of the present application;
Fig. 2 illustrates a schematic view of a cooking appliance provided by some embodiments of the present application;
FIG. 3 illustrates a schematic structural view of a steam oven provided in some embodiments of the present application;
FIG. 4 illustrates a schematic diagram of a computer medium provided by some embodiments of the present application.
Detailed Description
exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
it is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In addition, the terms "first" and "second", etc. are used to distinguish different objects, rather than to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Referring to fig. 1, which shows a flowchart of a temperature calibration method provided in some embodiments of the present application, as shown in fig. 1, the temperature calibration method may include the following steps:
step S101: under the condition that the cooking appliance is in an idle state and the internal temperature is normal temperature, acquiring a plurality of temperature values measured by a plurality of temperature sensors in the cooking appliance.
in some implementations of the embodiments of the present application, before step S101, the method may further include:
After the duration that the cooking appliance is in the idle state is detected to exceed a preset duration threshold, the cooking appliance is determined to be in the idle state and the internal temperature is normal temperature.
considering that the internal temperature of the cooking appliance is gradually cooled to the normal temperature state and maintained after a period of time (e.g., 3 hours, 5 hours, etc.) after the cooking appliance is used, whether the internal temperature of the cooking appliance is reduced to the normal temperature can be determined according to the duration of the idle state of the cooking appliance, where the preset time threshold may be flexibly set according to an empirical value, for example, 3 hours, 5 hours, 10 hours, etc., and the embodiment of the present application is not limited.
As a modification of the above embodiment, in some embodiments of the present application, before step S101, the method may further include:
After the cooking appliance is detected to be in an idle state and the change rate of the internal temperature in unit time is smaller than a preset change rate threshold value, the cooking appliance is determined to be in the idle state and the internal temperature is normal temperature.
considering that the internal temperature of the cooking appliance can be maintained after being reduced to the normal temperature, whether the internal temperature of the cooking appliance is reduced to the normal temperature or not can be determined according to the change rate of the internal temperature of the cooking appliance in unit time, wherein the change rate can be flexibly set according to actual conditions, the embodiment of the application is not limited, and the internal temperature can be measured by adopting any temperature sensor in the cooking appliance.
Through this embodiment, can judge whether cooking utensil internal temperature is the normal atmospheric temperature according to the temperature value of actual measurement, have higher judgement accuracy.
step S102: according to the measured temperature values, selecting an abnormal temperature sensor needing temperature compensation from the temperature sensors, and determining a temperature compensation value aiming at the abnormal temperature sensor.
In view of that, the multiple temperature sensors generally do not age or are not damaged at the same time, in most cases, one or two of the multiple temperature sensors start to be abnormal, while the other temperature sensors are normal, the embodiment of the present application may determine an abnormal temperature sensor by comparing temperature values measured by the multiple temperature sensors at the normal temperature state according to the principle of determining most normal and few abnormal conditions based on the above idea.
for example, in some embodiments, this step S102 may include:
dividing the plurality of temperature sensors into normal temperature sensors and abnormal temperature sensors according to the discrete degrees of the plurality of temperature values measured by the plurality of temperature sensors by using a binary method;
And determining a difference value between the temperature value measured by the abnormal temperature sensor and a normal temperature average value as a temperature compensation value for the abnormal temperature sensor, wherein the normal temperature average value is an average value of the temperature values measured by the normal temperature sensor.
It is easy to understand that, among the temperature values, the normal temperature sensor measures a large number of temperature values, which are close to each other, and have a small dispersion degree, and the abnormal temperature sensor measures a small number of temperature values, which are different from the temperature values measured by the other temperature sensors, and have a large dispersion degree.
The temperature sensors are divided into normal temperature sensors and abnormal temperature sensors according to the discrete degrees of the temperature values measured by the temperature sensors by using a binary method, and various specific embodiments are provided, for example, the temperature sensors corresponding to the temperature values with larger difference values with other temperature values can be determined as abnormal temperature sensors and the other temperature sensors are determined as normal temperature sensors by comparing the temperature values pairwise; or comparing each temperature value with the average value, and determining the temperature sensor corresponding to the temperature value with the larger difference value of the average values as an abnormal temperature sensor, and the other temperature sensors as normal temperature sensors; the temperature values can be classified into two categories by adopting a clustering mode, one category with more temperature values is determined as the temperature value measured by a normal temperature sensor, the other category with less temperature values is determined as the temperature value measured by an abnormal temperature sensor, and the temperature sensors corresponding to the temperature values are divided into the normal temperature sensor and the abnormal temperature sensor; the implementation principles of the above various embodiments are the same, and are implemented by a binary method based on the above ideas of most normal and few abnormal, and those skilled in the art can flexibly change the implementation based on the above implementation principles, which all shall be within the scope of the present application.
In some implementations of the embodiments of the present application, the classifying the plurality of temperature sensors into a normal temperature sensor and an abnormal temperature sensor according to the degree of dispersion of the plurality of temperature values measured by the plurality of temperature sensors by using a binary method may include:
selecting a first abnormal temperature value with a difference value larger than a preset abnormal judgment threshold value from the temperature values, wherein the first average value is the average value of the temperature values;
determining the temperature sensor corresponding to the first abnormal temperature value as an abnormal temperature sensor needing temperature compensation;
Determining the other temperature sensors of the plurality of temperature sensors except the abnormal temperature sensor as normal temperature sensors.
the preset abnormal judgment threshold value can be zero degrees centigrade, namely, the temperature sensor deviating from the average value needs to be compensated and corrected, in addition, the abnormal judgment threshold value can be flexibly set according to actual requirements, for example, 0.2 degrees centigrade, 0.4 degrees centigrade and the like, so that only the temperature sensor with a large error needs to be compensated and corrected, and the technical personnel in the field can flexibly change and implement in combination with the actual requirements, and all the temperature sensors are within the protection range of the application.
Through the embodiment, the temperature value which deviates from the average value greatly can be determined by taking the average value as a basis, and the temperature sensor corresponding to the temperature value is determined as the abnormal temperature sensor, so that the method has high judgment accuracy.
in other embodiments of the present application, the method may further include:
selecting a second abnormal temperature value with a difference value larger than a preset maintenance judgment threshold value from the plurality of temperature values, wherein the first average value is the average value of the plurality of temperature values;
determining the temperature sensor corresponding to the second abnormal temperature value as a temperature sensor to be maintained;
And playing maintenance alarm information aiming at the temperature sensor to be maintained.
The preset maintenance judgment threshold value can be larger than the preset abnormity judgment threshold value, the corresponding temperature sensor is used as an abnormal temperature sensor to perform temperature compensation correction under the condition that the difference value is smaller than the preset maintenance judgment threshold value but larger than the preset abnormity judgment threshold value, and the corresponding temperature sensor is used as a temperature sensor to be maintained to send out maintenance alarm information to prompt a user to perform maintenance in time under the condition that the difference value is larger than the preset maintenance judgment threshold value.
the maintenance alarm information can be broadcasted in a voice form, and can also be broadcasted in forms of pictures, texts, light and the like, so that the technical personnel in the field can flexibly change and implement the maintenance alarm information, and the embodiment of the application is not limited.
Through the embodiment, the maintenance alarm information can be played in time aiming at the temperature sensor which is seriously aged or damaged so as to prompt a user to overhaul and eliminate abnormity and potential safety hazards in time.
In other embodiments of the present application, the method may further include:
calculating the difference between every two of the temperature values;
And playing maintenance alarm information which indicates that at least one temperature sensor in the cooking equipment needs to be maintained under the condition that at least one difference value is larger than a preset alarm judgment threshold value.
By calculating the difference value between every two of the temperature values, if at least one difference value is larger than a preset alarm judgment threshold value, at least one of the temperature sensors can be judged to be seriously aged or damaged or failed, and at the moment, the user can be timely reminded to deliver the cooking utensil to a professional organization or a professional for maintenance by playing maintenance alarm information.
in some variations of embodiments of the present application, the plurality of temperature sensors includes a cavity temperature sensor disposed on the cooking appliance cavity and a probe temperature sensor disposed on a temperature probe. The temperature probe is used for inserting the temperature of the cooking food material in order to measure the cooking food material during cooking, and sending the measured temperature value to the cooking equipment, so that the cooking equipment can accurately control the temperature according to the measured temperature value of the cooking food material.
Because the use times of the temperature probe are less than that of the cavity temperature sensor, the aging rate of the probe temperature sensor is low, the probe temperature sensor can be kept normal with high probability, and the cavity temperature sensor can be aged quickly, so that whether the cavity temperature sensor is abnormal or not can be judged in time by means of the temperature probe, and temperature compensation correction or alarm maintenance can be carried out.
It should be noted that, in practical applications, the temperature probe may also be damaged faster than the cavity temperature sensor, and therefore, the above-mentioned embodiments of the present application are not limited to timely determining whether the cavity temperature sensor is abnormal and performing temperature compensation correction or alarm maintenance by using the temperature probe, and may also timely determining whether the probe temperature sensor of the temperature probe is abnormal and performing temperature compensation correction or alarm maintenance by using the cavity temperature sensor, and those skilled in the art may flexibly change the implementation based on the exemplary description of the present application.
In addition to the above embodiments, in some modified embodiments, before the obtaining of the plurality of temperature values measured by the plurality of temperature sensors inside the cooking appliance, the method may further include:
Detecting whether a temperature probe is placed on a temperature probe support, wherein the temperature probe support is arranged in the cooking appliance;
triggering and executing the step of acquiring a plurality of temperature values measured by a plurality of temperature sensors inside the cooking appliance under the condition that the temperature probe is detected to be placed on the temperature probe support.
In some embodiments, the detecting whether the temperature probe is placed on the temperature probe holder may include:
And judging whether the temperature probe is arranged on the temperature probe bracket according to whether a microswitch arranged on the temperature probe bracket is triggered.
The above embodiments can be understood with reference to the structural schematic diagram of the oven shown in fig. 3 and an exemplary description thereof. The temperature probe support can be a necessary component, after the cooking appliance is used up by a user, the temperature probe is cleaned and then placed on the temperature probe support, and the micro switch is used for detecting whether the temperature probe is inserted into the temperature probe support or not.
wherein, through using the temperature probe support to whether detect temperature probe and place on the temperature probe support, can prevent that the user from continuing to insert temperature probe on food after using up temperature probe, cause the temperature value of the temperature probe that cooking utensil read not ambient temperature, thereby the temperature compensation who causes corrects wrong problem, and then improve the accuracy that unusual temperature sensor judged and the accurate nature of temperature compensation correction.
in some embodiments, the selecting an abnormal temperature sensor to be temperature compensated from the plurality of temperature sensors according to the measured temperature values, and determining a temperature compensation value for the abnormal temperature sensor includes:
Determining the cavity temperature sensor as an abnormal temperature sensor needing temperature compensation under the condition that the difference value between the temperature value measured by the cavity temperature sensor and a second average value is larger than a preset abnormal judgment threshold value, wherein the second average value is the average value of the temperature values measured by at least one probe temperature sensor;
determining a difference between the temperature value measured by the cavity temperature sensor and the second average value as a temperature compensation value for the abnormal temperature sensor.
the use times of the temperature probe are less than that of the cavity temperature sensor, so that the aging rate of the probe temperature sensor is low, the probe temperature sensor is kept normal with high probability, and the cavity temperature sensor is aged quickly.
similar to the above embodiments, in other embodiments, the method may further comprise:
And playing maintenance alarm information aiming at the cavity temperature sensor under the condition that the difference value between the temperature value measured by the cavity temperature sensor and a second average value is greater than a preset maintenance judgment threshold value, wherein the second average value is the average value of the temperature values measured by at least one probe temperature sensor.
Through above-mentioned embodiment, can in time judge whether cavity temperature sensor needs the maintenance and in time warn the user to overhaul with the help of temperature probe.
step S103: and after the cooking appliance starts to work, correcting the temperature value measured by the abnormal temperature sensor according to the temperature compensation value.
Through right the temperature value that unusual temperature sensor measured is rectified, can make the oven obtain comparatively accurate measured temperature, and then accurately control culinary art temperature, promotes culinary art quality.
Compared with the prior art, the temperature correction method provided by the embodiment of the application acquires a plurality of temperature values measured by a plurality of temperature sensors in the cooking appliance through the condition that the cooking appliance is in an idle state and the internal temperature is normal temperature, so that the abnormal temperature sensors needing temperature compensation are selected from the plurality of temperature sensors according to the measurement of the plurality of temperature values, the temperature compensation values of the abnormal temperature sensors are determined, and the temperature values measured by the abnormal temperature sensors are corrected according to the temperature compensation values after the cooking appliance starts to work. Because the temperature value that each temperature sensor measured under the normal atmospheric temperature environment should be unanimous, consequently, according to a plurality of temperature values of actual measurement, can confirm unusual temperature sensor, and rectify unusual temperature sensor measuring temperature value after cooking utensil begins to work, on the one hand, can obtain comparatively accurate temperature value through the correction, and then realize accurate accuse temperature, cook on this basis and can effectively ensure the culinary art quality, on the other hand, can effectively avoid the too high conflagration that causes of cooking utensil cavity internal temperature, eliminate the potential safety hazard.
In any embodiment of the embodiments of the present application, the cooking device may be an electrically controlled kitchen utensil with a cooking function, such as an oven, a steam oven, a steamer, a pressure cooker, an electric fryer, and the like, and all of them should be within the scope of the present application. In the partial description of the embodiments of the present application, the cooking device is mainly used as an oven or a steaming oven for example, but other cooking devices are also applicable to the temperature correction method provided by the embodiments of the present application.
For convenience of understanding, the method for correcting the temperature of the cooking appliance is described below with reference to specific embodiments, and the above description of the method for correcting the temperature of the cooking appliance can be understood with reference to the following description of specific embodiments, which can be understood with reference to the steaming oven shown in fig. 3 and the description thereof.
The first embodiment is as follows:
The plurality of temperature sensors mentioned in step S101 includes a cavity temperature sensor disposed on the cavity of the steaming oven and a temperature probe temperature sensor disposed on the temperature probe, and referring to fig. 3 and the description thereof, assuming that the steaming oven has been able to detect that the temperature probe is placed on the temperature probe holder and the temperature probe has been inserted into the temperature probe socket, the steaming oven can read the temperature of the temperature probe. The temperature probe is a single-point temperature probe, and the temperature correction method may include the steps of:
a. It is detected that the steaming oven is currently in a non-operating state (i.e., idle state).
b. And when the temperature probe is not inserted into the temperature probe support, the correction process is exited, and the next step is not carried out. Otherwise, if the temperature probe is detected to be inserted into the temperature probe bracket, the next step is carried out. Otherwise, go back to a.
c. The steaming oven has a timing function, N hours (N is an experience value and can be a number of 3, 5 or 10 or more) are detected to pass from the last time when the user uses the steaming oven, and if the user does not use the steaming oven within the N hours, the next step is carried out, otherwise, the step returns to the step a. The reason for this is to wait for the temperature of the chamber to have dropped to the ambient temperature value and to have stabilized.
d. The temperature value of the single-point temperature detection probe is x1, the temperature value measured by the cavity temperature sensor is y1, the threshold value z is an empirical value, bj is alarm information, 1 is alarm, and 0 is no alarm.
(1) i x 1-y 1 i < z, and the average temperature av is (x1+ y1)/2, the temperature compensation value is wb i x 1-y 1 i.
(2) If | x 1-y 1| > z, the aging of the temperature sensor is already serious at this time, and the alarm information is set to bj equal to 1.
The second embodiment is as follows:
The plurality of temperature sensors mentioned in step S101 include a cavity temperature sensor disposed on the cavity of the steaming oven and a temperature probe temperature sensor disposed on the temperature probe, and referring to fig. 3 and the description thereof, assuming that the steaming oven can detect that the temperature probe is placed on the temperature probe holder and the temperature probe is inserted into the temperature probe socket, the steaming oven can read the temperature of the temperature probe. The temperature probe is a three-point temperature probe, and the temperature correction method may include the steps of:
a. it is detected that the steaming oven is currently in a non-operating state (i.e., idle state).
b. And when the temperature probe is not inserted into the temperature probe support, the correction process is exited, and the next step is not carried out. Otherwise, if the temperature probe is detected to be inserted into the temperature probe bracket, the next step is carried out. Otherwise, go back to a.
c. The steaming oven has a timing function, N hours (N is an experience value and can be a number of 3, 5 or 10 or more) are detected to pass from the last time when the user uses the steaming oven, and if the user does not use the steaming oven within the N hours, the next step is carried out, otherwise, the step returns to the step a. The reason for this is to wait for the temperature of the chamber to have dropped to the ambient temperature value and to have stabilized.
d. The three-point temperature of the three-point temperature probe is detected to be x1, x2 and x3, the temperature value measured by the cavity temperature sensor is y1, the threshold value z is an empirical value, bj is alarm information, 1 is alarm, and 0 is no alarm.
(1) If | x 1-y 1| + | x 2-y 1| + | x 3-y 1| <3z and the average temperature av ═ x1+ x2+ x3+ y1)/4, the temperature compensation value is wb ═ (| x 1-y 1| + | x 2-y 1| + | x 3-y 1 |)/3.
(2) Absolute values ca1_2, ca1_3, ca1_ y1, ca2_3, ca2_ y1 and ca3_ y1 obtained by subtracting two by two from four numbers x1, x2, x3 and y1 respectively, wherein if the values are more than z, bj is 1. When a three-point temperature probe is used, if only one point is damaged and the other points are normal, the damaged temperature point can be compensated by an algorithm. Even if the aging phenomenon occurs in the current four temperature measuring points, the repair should be carried out at the moment.
The third concrete embodiment:
the plurality of temperature sensors mentioned in step S101 include a cavity temperature sensor disposed on the cavity of the steaming oven and a temperature probe temperature sensor disposed on the temperature probe, and referring to fig. 3 and the description thereof, assuming that the steaming oven can detect that the temperature probe is placed on the temperature probe holder and the temperature probe is inserted into the temperature probe socket, the steaming oven can read the temperature of the temperature probe. The temperature probe is a five-point temperature probe, and the temperature correction method may include the steps of:
a. It is detected that the steaming oven is currently in a non-operating state (i.e., idle state).
b. and when the temperature probe is not inserted into the temperature probe support, the correction process is exited, and the next step is not carried out. Otherwise, if the temperature probe is detected to be inserted into the temperature probe bracket, the next step is carried out. Otherwise, go back to a.
c. The steaming oven has a timing function, N hours (N is an experience value and can be a number of 3, 5 or 10 or more) are detected to pass from the last time when the user uses the steaming oven, and if the user does not use the steaming oven within the N hours, the next step is carried out, otherwise, the step returns to the step a. The reason for this is to wait for the temperature of the chamber to have dropped to the ambient temperature value and to have stabilized.
d. The five-point temperature of the five-point temperature probe is detected to be x1, x2, x3, x4 and x5, the temperature value measured by the cavity temperature sensor is y1, the threshold value z is an empirical value, bj is alarm information, 1 is alarm, and 0 is no alarm.
(1) If | x 1-y 1| + | x 2-y 1| + | x 3-y 1| + | x 4-y 1| + | x 5-y 1| <5z, and the average temperature av ═ (x1+ x2+ x3+ x4+ x5+ y1)/6, the temperature compensation value is wb | (| x 1-y 1| + | x 2-y 1| + | x 3-y 1| + | x 4-y 1| + | x 5-y 1 |)/5.
(2) absolute values ca1_2, ca1_3, ca1_4, ca1_5, ca1_ y1, ca2_3, ca2_4, ca2_5, ca2_ y1, ca3_4, ca3_5, ca3_ y1, ca4_5, ca4_ y1 and ca5_ y1 obtained by subtracting each two of six numbers x1, x2, x3, x4, x5 and y1 from the difference, and bj is 1 if any of the values is greater than z. When a five point temperature probe is used, if there is damage to one or two points and the other points are normal, the damaged temperature point or points can be compensated for by an algorithm. Even if the six current temperature measurement points have aging, the repair should be carried out at this time.
Through the above description of the specific embodiments, at least the following advantages can be achieved:
1. the steamer can sense whether the temperature probe and the cavity temperature sensor are aged or not.
2. After the steaming oven senses the aging of the temperature probe and the cavity temperature sensor, the temperature correction of the temperature probe and the temperature sensor can be carried out, and the temperature compensation can be automatically carried out.
3. After the steaming oven senses that the temperature probe and the cavity temperature sensor are aged, a user can be prompted to return the steaming oven to a factory for maintenance.
the embodiment of the present application further provides a cooking appliance corresponding to the temperature correction method provided by the foregoing embodiment, where the cooking appliance may be any electrically controlled kitchen tool with a cooking function to perform the temperature correction method, for example, the cooking appliance may include, but is not limited to, an oven, a steam oven, a steamer, a pressure cooker, an electric fryer, and the like, and the embodiment of the present application is not limited thereto.
Please refer to fig. 2, which illustrates a schematic diagram of a cooking appliance provided in some embodiments of the present application. As shown in fig. 2, the cooking appliance 10 includes: the system comprises a processor 100, a memory 101, a bus 102 and a communication interface 103, wherein the processor 100, the communication interface 103 and the memory 101 are connected through the bus 102; the memory 101 stores a computer program that can be executed on the processor 100, and the processor 100 executes the temperature correction method provided in any of the foregoing embodiments when executing the computer program.
the Memory 101 may include a high-speed Random Access Memory (RAM) and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the system and at least one other network element is realized through at least one communication interface 103 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, and the like can be used.
The bus 102 may be an ISA bus, PCI bus, EISA bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. The memory 101 is configured to store a program, and the processor 100 executes the program after receiving an execution instruction, and the temperature correction method disclosed in any of the foregoing embodiments of the present application may be applied to the processor 100, or implemented by the processor 100.
processor 100 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 100. The Processor 100 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 101, and the processor 100 reads the information in the memory 101 and completes the steps of the method in combination with the hardware.
The cooking appliance provided by the embodiment of the application and the temperature correction method provided by the embodiment of the application have the same beneficial effects as the method adopted, operated or realized by the cooking appliance.
In some implementations of embodiments of the present application, the cooking appliance may be an oven or a steam oven.
because oven or steaming and baking oven often work under higher temperature, especially steaming and baking oven often works under the environment of high temperature and high humidity, consequently, temperature sensor takes place ageing, trouble scheduling problem easily, based on this application embodiment, can effectively avoid temperature sensor ageing, trouble etc. to lead to the problem that the temperature measurement is inaccurate, improves temperature measurement and control accuracy to avoid the temperature potential safety hazards such as conflagration that causes out of control.
In some modified embodiments, a temperature probe support for placing a temperature probe can be arranged inside the cooking utensil;
The temperature probe support is provided with a temperature probe detection device, and the temperature probe detection device is connected with the processor and used for detecting whether the temperature probe is arranged on the temperature probe support or not and sending a detection result to the processor.
In the above embodiments, the temperature probe detection device may be used to detect whether the temperature probe is placed on the temperature probe holder, and when the temperature probe is detected to be placed on the temperature probe holder, the temperature calibration method provided in any of the foregoing embodiments of the present application is triggered to be executed.
Through above-mentioned embodiment, can ensure that temperature probe and cavity temperature sensor carry out temperature measurement under the same environment (all being located the cooking utensil cavity), ensure the accuracy nature of judging unusual temperature sensor to improve the accuracy nature of temperature correction.
The temperature probe detection device can adopt detection devices with any detection modes such as physical contact detection, optical detection and the like, for example, the temperature probe detection device can be realized by adopting an infrared sensor, and whether the temperature probe is arranged on the temperature probe support is determined by whether a probe head of the infrared sensor is shielded; if the temperature probe detection device is implemented by using components based on physical contact detection, such as a piezoresistor, a microswitch and the like, taking the microswitch as an example, when the temperature probe is arranged on the temperature probe bracket, pressure is applied to the microswitch so as to conduct the microswitch; when the temperature probe leaves the temperature probe bracket, the microswitch is reset to be disconnected; therefore, whether the temperature probe is arranged on the temperature probe bracket or not can be sensitively and accurately judged through the microswitch, and the temperature probe bracket has the advantages of low cost and low implementation difficulty.
for easy understanding, please refer to fig. 3, which illustrates a schematic structural diagram of an oven provided in some embodiments of the present application, as shown in fig. 3, the NTC thermistor in fig. 3 is a cavity temperature sensor, the temperature probe may be a single-point temperature probe (i.e., a temperature probe provided with one probe temperature sensor), or may be a multi-point temperature probe (i.e., a temperature probe provided with a plurality of probe temperature sensors, such as 3 or 5 probes), the temperature probe may be a wireless temperature probe implemented based on technologies such as bluetooth, or may be a wired temperature probe, for example, the temperature probe shown in fig. 3 is a wired temperature probe, and is connected to a probe socket through a signal line and then connected to a processor. The oven is provided with a temperature probe support, the tail end of the temperature probe support is provided with a microswitch, and when a temperature probe is inserted into the temperature probe support, the microswitch can be triggered to be switched on. In addition, the oven can also be provided with heating and radiating elements based on an upper heating pipe, a lower heating pipe, a fan and the like, and the embodiment of the application is not repeated.
The cooking appliances such as the oven can be used for realizing the temperature correction method provided by any one of the above embodiments, so as to determine the abnormal temperature sensor according to a plurality of actually measured temperature values of the probe temperature sensor and the cavity temperature sensor which are arranged on the temperature probe, and correct the measured temperature value of the abnormal temperature sensor after the cooking appliance starts to work. In addition, the temperature sensor which is seriously aged (namely the temperature sensor to be maintained) can be alarmed, and a user is reminded of timely repair.
referring to fig. 4, a computer-readable storage medium is shown as an optical disc 20, on which a computer program (i.e., a program product) is stored, and when the computer program is executed by a processor, the computer program executes the temperature correction method provided in any of the foregoing embodiments.
it should be noted that examples of the computer-readable storage medium may also include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory, or other optical and magnetic storage media, which are not described in detail herein.
The computer-readable storage medium provided by the above-mentioned embodiments of the present application and the temperature correction method provided by the embodiments of the present application have the same beneficial effects as the method adopted, operated or implemented by the application program stored in the computer-readable storage medium.
It should be noted that the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
it is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
in the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and 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 of devices or units through some communication interfaces, 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 functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
finally, it should be noted that: the above 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification.
Claims (16)
1. A method of temperature correction, comprising:
Under the condition that a cooking appliance is in an idle state and the internal temperature is normal temperature, acquiring a plurality of temperature values measured by a plurality of temperature sensors in the cooking appliance;
according to the measured temperature values, selecting an abnormal temperature sensor needing temperature compensation from the temperature sensors, and determining a temperature compensation value aiming at the abnormal temperature sensor;
And after the cooking appliance starts to work, correcting the temperature value measured by the abnormal temperature sensor according to the temperature compensation value.
2. the method according to claim 1, wherein before obtaining the plurality of temperature values measured by the plurality of temperature sensors inside the cooking appliance when the cooking appliance is in an idle state and the internal temperature is a normal temperature, the method further comprises:
After detecting that the duration of the cooking appliance in the idle state exceeds a preset duration threshold, determining that the cooking appliance is in the idle state and the internal temperature is normal temperature; alternatively, the first and second electrodes may be,
After the cooking appliance is detected to be in an idle state and the change rate of the internal temperature in unit time is smaller than a preset change rate threshold value, the cooking appliance is determined to be in the idle state and the internal temperature is normal temperature.
3. The method of claim 1, wherein selecting an abnormal temperature sensor to be temperature compensated from the plurality of temperature sensors according to the measured temperature values, and determining a temperature compensation value for the abnormal temperature sensor comprises:
Dividing the plurality of temperature sensors into normal temperature sensors and abnormal temperature sensors according to the discrete degrees of the plurality of temperature values measured by the plurality of temperature sensors by using a binary method;
and determining a difference value between the temperature value measured by the abnormal temperature sensor and a normal temperature average value as a temperature compensation value for the abnormal temperature sensor, wherein the normal temperature average value is an average value of the temperature values measured by the normal temperature sensor.
4. the method of claim 3, wherein said using a binary method to classify said plurality of temperature sensors into normal temperature sensors and abnormal temperature sensors according to a degree of dispersion of said plurality of temperature values measured by said plurality of temperature sensors comprises:
Selecting a first abnormal temperature value with a difference value larger than a preset abnormal judgment threshold value from the temperature values, wherein the first average value is the average value of the temperature values;
Determining the temperature sensor corresponding to the first abnormal temperature value as an abnormal temperature sensor needing temperature compensation;
determining the other temperature sensors of the plurality of temperature sensors except the abnormal temperature sensor as normal temperature sensors.
5. the method of claim 1, further comprising:
Calculating the difference between every two of the temperature values;
and playing maintenance alarm information which indicates that at least one temperature sensor in the cooking equipment needs to be maintained under the condition that at least one difference value is larger than a preset alarm judgment threshold value.
6. The method of claim 1, further comprising:
Selecting a second abnormal temperature value with a difference value larger than a preset maintenance judgment threshold value from the plurality of temperature values, wherein the first average value is the average value of the plurality of temperature values;
Determining the temperature sensor corresponding to the second abnormal temperature value as a temperature sensor to be maintained;
And playing maintenance alarm information aiming at the temperature sensor to be maintained.
7. The method of claim 1, wherein the plurality of temperature sensors comprises a cavity temperature sensor disposed on the cooking appliance cavity and a probe temperature sensor disposed on a temperature probe.
8. The method of claim 7, wherein prior to obtaining the plurality of temperature values measured by the plurality of temperature sensors inside the cooking appliance, further comprising:
detecting whether a temperature probe is placed on a temperature probe support, wherein the temperature probe support is arranged in the cooking appliance;
Triggering and executing the step of acquiring a plurality of temperature values measured by a plurality of temperature sensors inside the cooking appliance under the condition that the temperature probe is detected to be placed on the temperature probe support.
9. the method of claim 8, wherein detecting whether the temperature probe has been placed on the temperature probe holder comprises:
and judging whether the temperature probe is arranged on the temperature probe bracket according to whether a microswitch arranged on the temperature probe bracket is triggered.
10. The method of claim 7, wherein selecting an abnormal temperature sensor to be temperature compensated from the plurality of temperature sensors according to the measured temperature values, and determining a temperature compensation value for the abnormal temperature sensor comprises:
Determining the cavity temperature sensor as an abnormal temperature sensor needing temperature compensation under the condition that the difference value between the temperature value measured by the cavity temperature sensor and a second average value is larger than a preset abnormal judgment threshold value, wherein the second average value is the average value of the temperature values measured by at least one probe temperature sensor;
determining a difference between the temperature value measured by the cavity temperature sensor and the second average value as a temperature compensation value for the abnormal temperature sensor.
11. the method of claim 7, further comprising:
and playing maintenance alarm information aiming at the cavity temperature sensor under the condition that the difference value between the temperature value measured by the cavity temperature sensor and a second average value is greater than a preset maintenance judgment threshold value, wherein the second average value is the average value of the temperature values measured by at least one probe temperature sensor.
12. a cooking appliance comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor executes the computer program to implement the method according to any of claims 1 to 11.
13. The cooking appliance of claim 12, wherein the cooking appliance comprises an oven or a steam oven.
14. the cooking appliance of claim 13, wherein a temperature probe holder is provided within the cooking appliance for holding a temperature probe;
The temperature probe support is provided with a temperature probe detection device, and the temperature probe detection device is connected with the processor and used for detecting whether the temperature probe is arranged on the temperature probe support or not and sending a detection result to the processor.
15. The cooking appliance of claim 14, wherein the temperature probe detection device comprises a micro switch.
16. A computer readable medium having computer readable instructions stored thereon which are executable by a processor to implement the method of any one of claims 1 to 11.
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