CN111473369A - Temperature determination method and device and induction cooker - Google Patents
Temperature determination method and device and induction cooker Download PDFInfo
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- CN111473369A CN111473369A CN201910061949.5A CN201910061949A CN111473369A CN 111473369 A CN111473369 A CN 111473369A CN 201910061949 A CN201910061949 A CN 201910061949A CN 111473369 A CN111473369 A CN 111473369A
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- 230000006698 induction Effects 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 92
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000004321 preservation Methods 0.000 claims description 33
- 238000012545 processing Methods 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 description 15
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- 230000005540 biological transmission Effects 0.000 description 3
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- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/081—Arrangement or mounting of control or safety devices on stoves
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Abstract
The embodiment of the invention provides a temperature determination method, a temperature determination device and an induction cooker, wherein the method comprises the following steps: when the induction cooker is in a heating state, acquiring a first detection temperature of the cookware detected by the temperature sensor; determining a first current temperature of the cookware according to the first detected temperature and the first temperature deviation; wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor; because when confirming the first current temperature of pan, on the basis of the first detected temperature that temperature sensor detected and obtained, still considered the produced first temperature deviation of temperature sensor's induced electromotive force for the first current temperature of the pan of confirming is more accurate, has improved the accuracy of pan temperature control.
Description
Technical Field
The embodiment of the invention relates to the technical field of household appliances, in particular to a temperature determination method and device and an induction cooker.
Background
An induction cooker is a common household appliance for heating. When the induction cooker works, high-frequency alternating current passes through the coil panel to enable the bottom of a pot placed on the induction cooker to generate eddy current, so that the pot arranged on the induction cooker is heated.
The existing induction cooker comprises a shell and a ceramic panel arranged on the shell, wherein a coil panel is arranged in the shell, and the ceramic panel is used for placing a cooker. The temperature of the cookware is detected through the temperature sensors arranged at the center of the coil panel and at the bottom of the porcelain plate. When a certain temperature is required to be kept for the cookware, the cookware is generally heated intermittently, namely, the heating is stopped when the temperature of the sensor is higher than a first set threshold value, the heating is started when the temperature of the sensor is lower than a second set threshold value, and the second set threshold value is smaller than or equal to the first set threshold value, so that the temperature of the cookware is kept to fluctuate within a certain range.
However, the heating of the existing induction cooker is influenced by various factors, and the error is large.
Disclosure of Invention
The embodiment of the invention provides a temperature determination method and device and an induction cooker, which are used for improving the accuracy of the determined temperature of a pot.
In a first aspect, an embodiment of the present invention provides a temperature determination method, including:
when the induction cooker is in a heating state, acquiring a first detection temperature of the cookware detected by the temperature sensor;
determining a first current temperature of the cookware according to the first detected temperature and the first temperature deviation; wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor.
According to the embodiment of the invention, when the first current temperature of the cookware is determined, on the basis of the first detected temperature detected by the temperature sensor, the first temperature deviation generated by the induced electromotive force of the temperature sensor is also considered, so that the determined first current temperature of the cookware is more accurate, and the accuracy of temperature control of the cookware is improved.
Optionally, before determining the first current temperature of the pot according to the first detected temperature and the first temperature deviation, the method further includes:
acquiring a current heating gear of the induction cooker;
and determining the first temperature deviation corresponding to the current heating gear according to the corresponding relation between the heating gear and the first temperature deviation.
According to the embodiment of the invention, the first temperature deviation corresponding to the current heating gear is determined according to the corresponding relation between the heating gear and the first temperature deviation, so that the determined first temperature deviation is more accurate, and the determined temperature of the cookware is more accurate.
Optionally, before determining the first current temperature of the pot according to the first detected temperature and the first temperature deviation, the method further includes:
obtaining at least one candidate temperature deviation;
determining the first temperature deviation according to the mean value of the at least one candidate temperature deviation;
wherein the candidate temperature deviation is determined according to a difference between a second detected temperature and a third detected temperature, the second detected temperature is the temperature of the pot detected by the temperature sensor before the induction cooker stops heating, and the third detected temperature is the temperature of the pot detected by the temperature sensor after the induction cooker stops heating.
According to the embodiment of the invention, the first temperature deviation is determined according to the average value of the plurality of candidate temperature deviations, so that the determined first temperature deviation is more consistent with the specific conditions of the current induction cooker, the accuracy of the first temperature deviation is improved, and the determined current temperature of the cookware is more accurate.
Optionally, the determining a first current temperature of the pot according to the first detected temperature and the first temperature deviation includes:
determining a first current temperature of the cookware according to the first detected temperature, the first temperature deviation and the second temperature deviation, wherein the second temperature deviation is used for bearing the temperature deviation generated by the panel of the cookware.
When the first current temperature of the cookware is determined, on the basis of the first detected temperature, the first temperature deviation is considered, and the second temperature deviation generated by the panel bearing the cookware is also considered, so that the determined first current temperature of the cookware is more accurate.
Optionally, the determining a first current temperature of the pot according to the first detected temperature, the first temperature deviation and the second temperature deviation includes:
acquiring a difference value between the first detection temperature and the first temperature deviation;
and determining the first current temperature of the cooker according to the sum of the difference and the second temperature deviation.
According to the embodiment of the invention, when the first current temperature of the pot is determined, the influence of the first temperature deviation is removed, and the influence of the second temperature deviation is added, so that the determined first current temperature of the pot is more accurate.
Optionally, after determining the first current temperature of the pot, the method further includes:
and determining whether the induction cooker stops heating or not according to the first current temperature and the first heat preservation temperature.
According to the embodiment of the invention, whether the induction cooker stops heating or not is determined according to the first current temperature and the first heat preservation temperature, and the temperature of the cooker is more accurately controlled because the temperature deviation generated by the induced electromotive force of the temperature sensor is corrected by the first current temperature.
Optionally, the method further includes:
after the induction cooker stops heating, acquiring a fourth detection temperature of the cookware, which is detected by the temperature sensor;
determining a second current temperature of the pot according to a difference value between the fourth detected temperature and a second temperature deviation, wherein the second temperature deviation is a temperature deviation generated by a panel for bearing the pot;
and determining whether the induction cooker starts to heat or not according to the second current temperature and the second heat preservation temperature.
When the second current temperature of the cookware is determined, on the basis of the fourth detected temperature, the second temperature deviation generated by the panel bearing the cookware is also considered, so that the determined second current temperature of the cookware is more accurate; furthermore, whether the induction cooker starts to heat or not is determined according to the second current temperature and the second heat preservation temperature, so that the temperature of the induction cooker on the pot is controlled more accurately.
In a second aspect, an embodiment of the present invention provides a temperature determination apparatus, including:
the acquisition module is used for acquiring a first detection temperature of the cookware detected by the temperature sensor when the induction cooker is in a heating state;
the processing module is used for determining a first current temperature of the cooker according to the first detected temperature and the first temperature deviation; wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor.
According to the embodiment of the invention, when the first current temperature of the cookware is determined, on the basis of the first detected temperature detected by the temperature sensor, the first temperature deviation generated by the induced electromotive force of the temperature sensor is also considered, so that the determined first current temperature of the cookware is more accurate, and the accuracy of temperature control of the cookware is improved.
Optionally, the processing module is further configured to:
acquiring a current heating gear of the induction cooker;
and determining the first temperature deviation corresponding to the current heating gear according to the corresponding relation between the heating gear and the first temperature deviation.
According to the embodiment of the invention, the first temperature deviation corresponding to the current heating gear is determined according to the corresponding relation between the heating gear and the first temperature deviation, so that the determined first temperature deviation is more accurate, and the determined temperature of the cookware is more accurate.
Optionally, the processing module is further configured to:
obtaining at least one candidate temperature deviation;
determining the first temperature deviation according to the mean value of the at least one candidate temperature deviation;
wherein the candidate temperature deviation is determined according to a difference between a second detected temperature and a third detected temperature, the second detected temperature is the temperature of the pot detected by the temperature sensor before the induction cooker stops heating, and the third detected temperature is the temperature of the pot detected by the temperature sensor after the induction cooker stops heating.
According to the embodiment of the invention, the first temperature deviation is determined according to the average value of the plurality of candidate temperature deviations, so that the determined first temperature deviation is more consistent with the specific conditions of the current induction cooker, the accuracy of the first temperature deviation is improved, and the determined current temperature of the cookware is more accurate.
Optionally, the processing module is specifically configured to:
determining a first current temperature of the cookware according to the first detected temperature, the first temperature deviation and the second temperature deviation, wherein the second temperature deviation is used for bearing the temperature deviation generated by the panel of the cookware.
When the first current temperature of the cookware is determined, on the basis of the first detected temperature, the first temperature deviation is considered, and the second temperature deviation generated by the panel bearing the cookware is also considered, so that the determined first current temperature of the cookware is more accurate.
Optionally, the processing module is specifically configured to:
acquiring a difference value between the first detection temperature and the first temperature deviation;
and determining the first current temperature of the cooker according to the sum of the difference and the second temperature deviation.
According to the embodiment of the invention, when the first current temperature of the pot is determined, the influence of the first temperature deviation is removed, and the influence of the second temperature deviation is added, so that the determined first current temperature of the pot is more accurate.
Optionally, the apparatus further comprises: a judgment module;
the judging module is used for determining whether the induction cooker stops heating or not according to the first current temperature and the first heat preservation temperature.
According to the embodiment of the invention, whether the induction cooker stops heating or not is determined according to the first current temperature and the first heat preservation temperature, and the temperature of the cooker is more accurately controlled because the temperature deviation generated by the induced electromotive force of the temperature sensor is corrected by the first current temperature.
Optionally, the obtaining module is further configured to obtain a fourth detected temperature of the pot detected by the temperature sensor after the induction cooker stops heating;
the processing module is further configured to determine a second current temperature of the pot according to a difference between the fourth detected temperature and a second temperature deviation, where the second temperature deviation is a temperature deviation generated by a panel for carrying the pot;
the judging module is also used for determining whether the induction cooker starts to heat according to the second current temperature and the second heat preservation temperature.
When the second current temperature of the cookware is determined, on the basis of the fourth detected temperature, the second temperature deviation generated by the panel bearing the cookware is also considered, so that the determined second current temperature of the cookware is more accurate; furthermore, whether the induction cooker starts to heat or not is determined according to the second current temperature and the second heat preservation temperature, so that the temperature of the induction cooker on the pot is controlled more accurately.
In a third aspect, an embodiment of the present invention provides an induction cooker, including:
the temperature sensor is used for detecting the current temperature of the cooker;
a memory for storing a program;
a processor for executing the program stored in the memory, the processor being adapted to perform the method of any of the first aspects when the program is executed.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, including instructions, which, when executed on a computer, cause the computer to perform the method according to any one of the first aspect.
Drawings
FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention;
fig. 2 is a first schematic flow chart of a temperature determination method according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a temperature determination method according to an embodiment of the present invention;
fig. 4 is a third schematic flow chart of a temperature determination method according to an embodiment of the present invention;
fig. 5 is a first schematic structural diagram of a temperature determination device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a temperature determination device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an induction cooker according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
An induction cooker is a common household appliance for heating. When the induction cooker works, high-frequency alternating current passes through the coil panel to enable the bottom of a pot placed on the induction cooker to generate eddy current, so that the pot arranged on the induction cooker is heated.
Fig. 1 is a schematic view of an induction cooker suitable for use in the embodiment of the present invention, as shown in fig. 1, a panel of the induction cooker includes an operation area for a user to set a heating gear for the induction cooker. The heating gear of a common induction cooker comprises: the electromagnetic oven has the advantages that the electromagnetic oven has different output powers corresponding to different heating gears, and heating efficiency on the cooker is different. In addition, the user still often needs to use the heat preservation function in the process of heating the pan, and specifically, the user can set the heat preservation temperature, for example, the heat preservation temperature is set to 100 degrees by touching the "+" or "-" key on the control panel.
It should be noted that, the setting of each shift position in the operation area of the induction cooker according to the embodiment of the present invention is not particularly limited, and fig. 1 is merely an example.
Usually, the temperature of the pot is detected by a temperature sensor installed at the center of the coil panel and at the bottom of the porcelain plate. After the heat preservation temperature is set for the induction cooker, the induction cooker is heated intermittently, namely, the heating is stopped when the temperature of the sensor is higher than a first set threshold value, the heating is started when the temperature of the sensor is lower than a second set threshold value, and the second set threshold value is smaller than or equal to the first set threshold value, so that the temperature of the cookware is kept fluctuating within a certain range. However, the control error of the pot temperature in the above process is large.
In order to solve the above problems, embodiments of the present invention provide a temperature determining method, a temperature determining device, and an induction cooker, which compensate and correct a detected temperature according to a possible influence deviation based on the detected temperature detected by a temperature sensor, so as to improve accuracy of a pot temperature and further improve accuracy of controlling the pot temperature.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 2 is a schematic flow chart of a temperature determination method according to an embodiment of the present invention, where the method of this embodiment may be executed by a temperature determination device disposed in an electromagnetic oven, and the device may be in the form of software and/or hardware.
As shown in fig. 2, the method of the present embodiment includes:
s201: when the induction cooker is in a heating state, a first detection temperature of the cookware detected by the temperature sensor is obtained.
S202: determining a first current temperature of the cookware according to the first detected temperature and the first temperature deviation; wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor.
The induction cooker comprises a shell and a ceramic panel arranged on the shell, wherein a coil panel is arranged in the shell, the ceramic panel is used for placing a cooker, and eddy current is generated at the bottom of the cooker to realize heating when high-frequency alternating current passes through the coil panel.
The temperature sensor can be arranged in the shell, and particularly can be arranged in the center of the coil disc and at the bottom of the ceramic panel. When the electromagnetism stove is in heating state, the temperature transmission of pan bottom gives ceramic panel, and the retransmission gives temperature sensor to temperature sensor detects the first detection temperature of pan. The first detection temperature refers to the temperature of the cookware detected by the temperature sensor when the induction cooker is in a heating state.
In this embodiment, the temperature determination device may be disposed in the electromagnetic oven and connected to the temperature sensor, and after the temperature sensor detects the first detected temperature of the pot, the temperature determination device may obtain the first detected temperature through the temperature sensor.
In practical application, because temperature sensor installs the position in the central top of drum, when the coil panel produced alternating magnetic field, temperature sensor's metal pin can produce induced electromotive force, this induced electromotive force can disturb temperature sensor's sampling circuit, specifically, induced electromotive force can produce the vortex, this vortex can make the conductor generate heat, thereby the pan temperature that leads to temperature sensor to detect is inaccurate, can be higher than the actual temperature of pan, that is to say, this induced electromotive force makes first detection temperature and the first current temperature of pan have certain deviation. Wherein, the first current temperature refers to the actual temperature of the cooker when the induction cooker is in a heating state.
In the present embodiment, the temperature deviation caused by the induced electromotive force of the temperature sensor is referred to as a first temperature deviation. According to the first detected temperature and the first temperature deviation, determining a first current temperature of the cooker. It can be understood that when the first current temperature of the cooker is determined, on the basis of the first detected temperature, the first temperature deviation is adopted for correction, and the temperature deviation caused by the induced electromotive force of the temperature sensor is eliminated, so that the first current temperature is more accurate.
It is understood that the first temperature deviation is generated due to an induced electromotive force of the temperature sensor, and the magnitude of the induced electromotive force is related to the output power of the induction cooker, and thus, the first temperature deviation is related to the output power of the induction cooker. In this embodiment, the first temperature deviation may be determined according to the current output power of the induction cooker. It should be noted that there are many methods for determining the first temperature deviation in this embodiment, and only two alternative embodiments are described as examples below.
In an optional implementation manner, a current heating gear of the induction cooker is obtained, and the first temperature deviation corresponding to the current heating gear is determined according to a corresponding relationship between the heating gear and the first temperature deviation.
Specifically, different heating gears of the induction cooker have different output powers, and the different output powers can enable the temperature sensor to generate different induced electromotive forces, so that different first temperature deviations are caused. Therefore, in the present embodiment, a corresponding relationship between the heating gear and the first temperature deviation is established, that is, different heating gears correspond to different first temperature deviations, for example: the first temperature deviation corresponding to the heating gear 1 is Δ TN1, the first temperature deviation corresponding to the heating gear 2 is Δ TN2, the first temperature deviation corresponding to the heating gear 3 is Δ TN3, and so on.
In the specific implementation process, before the first current temperature of the cookware is determined, the current heating gear of the induction cooker can be obtained in real time, and the first temperature deviation corresponding to the current heating gear is determined according to the corresponding relation. Then, according to the first detected temperature and the first temperature deviation, the first current temperature of the cooker is determined.
In another alternative embodiment, at least one candidate temperature deviation may be obtained through an experimental manner, and the first temperature deviation may be determined according to a mean value of the at least one candidate temperature deviation.
Wherein the candidate temperature deviation is determined according to a difference between a second detected temperature and a third detected temperature, the second detected temperature is the temperature of the pot detected by the temperature sensor before the induction cooker stops heating, and the third detected temperature is the temperature of the pot detected by the temperature sensor after the induction cooker stops heating.
In the specific implementation process, when the output power of the induction cooker is P, and after the induction cooker works for a period of time, a second detection temperature t2 detected by the temperature sensor is obtained; and then stopping heating the induction cooker, namely stopping outputting the power P, and immediately acquiring a third detection temperature t3 detected by the temperature sensor, wherein the difference (t2-t3) between the second detection temperature t2 and the third detection temperature t3 is the candidate temperature deviation.
Alternatively, the candidate temperature deviation may be directly taken as the first temperature deviation.
Optionally, in order to make the first temperature deviation more accurate, the test may be performed several times more, a plurality of candidate temperature deviations are obtained, and a mean value of the plurality of candidate temperature deviations is used as the first temperature deviation.
It is understood that the two embodiments described above may be used in combination in a particular application. Specifically, at least one candidate temperature deviation is obtained for each heating gear, and the average value of the at least one candidate temperature deviation is used as the first temperature deviation corresponding to the heating gear, so that the corresponding relation between each heating gear and each first temperature deviation is obtained. Furthermore, when the first current temperature of the pot needs to be determined, the corresponding relation is inquired to obtain the first temperature deviation corresponding to the current heating gear, and then the first current temperature of the pot is determined according to the first detection temperature and the first temperature deviation.
The temperature determination method provided by the embodiment comprises the following steps: when the induction cooker is in a heating state, acquiring a first detection temperature of the cookware detected by the temperature sensor; determining a first current temperature of the cookware according to the first detected temperature and the first temperature deviation; wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor; because when confirming the first current temperature of pan, on the basis of the first detected temperature that temperature sensor detected and obtained, still considered the produced first temperature deviation of temperature sensor's induced electromotive force for the first current temperature of the pan of confirming is more accurate, has improved the accuracy of pan temperature control.
Fig. 3 is a second schematic flowchart of a temperature determination method according to an embodiment of the present invention, and as shown in fig. 3, the method according to the embodiment includes:
s301: when the induction cooker is in a heating state, a first detection temperature of the cookware detected by the temperature sensor is obtained.
S302: determining a first current temperature of the pot according to the first detected temperature, a first temperature deviation and a second temperature deviation, wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor, and the second temperature deviation is used for bearing the temperature deviation generated by a panel of the pot.
It should be noted that the method for acquiring the first temperature deviation in the present embodiment is similar to the above embodiments, and is not described herein again.
On the basis of the above embodiment, because the heat conductivity of the ceramic panel is poor due to factors such as the material of the ceramic panel, the temperature at the bottom of the cookware is transmitted to the ceramic panel and then transmitted to the temperature sensor, and after the temperature is transmitted by the ceramic panel, a certain temperature error can be caused, and the detection temperature error of the temperature sensor is further increased.
In this embodiment, on the basis of considering the first temperature deviation, a second temperature deviation is also considered, where the second temperature deviation is a temperature deviation generated by a ceramic panel for carrying the cookware, that is, a temperature deviation caused by transmission of the ceramic panel.
The second temperature deviation may be obtained according to parameters such as a heat conduction performance and a heat preservation temperature of the ceramic panel, which is not specifically limited in this embodiment.
According to the temperature determination method provided by the embodiment, when the induction cooker is in a heating state, a first detection temperature of the pot detected by the temperature sensor is obtained, and a first current temperature of the pot is determined according to the first detection temperature, the first temperature deviation and the second temperature deviation; because when confirming the first current temperature of pan, on the basis of the first detected temperature that temperature sensor detected and obtained, the produced first temperature deviation of the induced electromotive force of temperature sensor, the produced second temperature deviation of ceramic panel have been considered simultaneously for the first current temperature of the pan of confirming is more accurate, has further improved the accuracy of pan temperature control.
Fig. 4 is a schematic flow chart of a third method for determining a temperature according to an embodiment of the present invention, as shown in fig. 4, the method according to the embodiment includes:
s401: when the induction cooker is in a heating state, a first detection temperature of the cookware detected by the temperature sensor is obtained.
S402: obtaining a difference value between the first detection temperature and the first temperature deviation, and determining a first current temperature of the cooker according to a sum value of the difference value and the second temperature deviation, wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor, and the second temperature deviation is used for bearing the temperature deviation generated by the panel of the cooker.
In this embodiment, the first current temperature of the pot refers to an actual temperature of the pot when the induction cooker is in a heating state.
In this embodiment, when the induction cooker is in the heating state, the output power of the induction cooker may cause the temperature sensor to generate the induced electromotive force, and the detection result of the temperature sensor may be affected by the induced electromotive force. Meanwhile, the temperature transmission process of the ceramic panel may also cause deviation in the detection result of the temperature sensor. Therefore, when determining the first current temperature of the pot, the influence of the first temperature deviation and the second temperature deviation needs to be considered at the same time.
In a specific implementation process, assuming that the first detected temperature is T1, the first temperature difference is Δ TN, and the second temperature deviation is Δ T, when the first current temperature T1 of the pot is determined, a difference value between the first detected temperature T1 and the first temperature deviation Δ TN may be obtained, and the first current temperature T1 of the pot is determined according to a sum of the difference value and the second temperature deviation Δ T, which may be represented by the following formula:
T1＝t1-ΔTN+Δt
s403: and determining whether the induction cooker stops heating or not according to the first current temperature and the first heat preservation temperature.
The first heat preservation temperature may be a heat preservation temperature set by a user, and the first heat preservation temperature may be a specific temperature value or a temperature range.
Specifically, when the first current temperature is higher than the first heat preservation temperature, the induction cooker is determined to stop heating, and when the first current temperature is lower than or equal to the first heat preservation temperature, the induction cooker is determined to continue heating.
S404: and after the induction cooker stops heating, acquiring a fourth detection temperature of the cookware detected by the temperature sensor.
S405: and determining a second current temperature of the cookware according to the difference value of the fourth detected temperature and a second temperature deviation, wherein the second temperature deviation is a temperature deviation used for bearing the panel of the cookware.
In this embodiment, the second current temperature of the pot is the actual temperature of the pot after the induction cooker stops heating.
In this embodiment, after the induction cooker stops heating, the induction cooker does not output power and does not generate induced electromotive force, and therefore, the detection result of the temperature sensor is not affected by the induced electromotive force. Therefore, when determining the second current temperature of the cooker, the influence of the first temperature deviation does not need to be considered, and the influence of the second temperature deviation only needs to be considered.
It can be understood that the second temperature deviation corresponding to the heating phase of the induction cooker and the second temperature deviation corresponding to the heating stopping phase may be the same or different, and the embodiment is not particularly limited.
In the specific implementation process, assuming that the fourth detected temperature is T4 and the second temperature deviation is Δ T, a difference between the fourth detected temperature T4 and the second temperature deviation Δ T may be used as the second current temperature T2 of the pot, and may be represented by the following formula:
T2＝t4-Δt
s406: and determining whether the induction cooker starts to heat or not according to the second current temperature and the second heat preservation temperature.
The second heat preservation temperature can be a heat preservation temperature set by a user, and the second heat preservation temperature can be a specific temperature value or a temperature range.
Specifically, if the second current temperature is lower than the second heat preservation temperature, it is determined that the induction cooker starts to heat, and if the second current temperature is higher than or equal to the second heat preservation temperature, it is determined that the induction cooker continues to stop heating.
It should be noted that the second insulation temperature and the first insulation temperature may be the same or different, and the embodiment of the present invention is not particularly limited.
The temperature control process of the embodiment of the present invention is described below by way of example.
Assuming that the first heat preservation temperature set by the user is 90 degrees and the second heat preservation temperature is 80 degrees, namely, the temperature of the pot is kept in the range of 80-90 degrees; the heating gear set by the user is gear 1, the first temperature deviation corresponding to the gear is delta TN, and the second temperature deviation corresponding to the induction cooker is delta t.
When the electromagnetic oven starts to heat, the output power is P, induced electromotive force is generated on the temperature sensor, and therefore a first temperature deviation delta TN is generated on a detection result of the temperature sensor. The real-time detection result of the temperature sensor is t, the current temperature of the cookware is determined to be t-delta TN + delta t according to the first temperature deviation delta TN and the second temperature deviation delta t, and when the current temperature of the cookware is greater than the first heat preservation temperature by 90 degrees, the electromagnetic oven stops heating. Here, the induction cooker has no output power, and the detection result t of the temperature sensor is not affected by the induced electromotive force, so that the current temperature of the pot is determined to be t- Δ t according to the second temperature deviation, and when the current temperature of the pot is less than the second heat preservation temperature by 80 degrees, the induction cooker starts to heat. The above processes are repeated, so that the temperature of the cookware is controlled within the range of 80-90 degrees.
Fig. 5 is a schematic structural diagram of a first temperature determination device according to an embodiment of the present invention, and as shown in fig. 5, a temperature determination device 500 according to the embodiment includes: an acquisition module 501 and a processing module 502.
The acquiring module 501 is configured to acquire a first detected temperature of the pot detected by the temperature sensor when the induction cooker is in a heating state;
a processing module 502, configured to determine a first current temperature of the pot according to the first detected temperature and a first temperature deviation; wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor.
The temperature determination apparatus of this embodiment may be used to implement the method embodiment shown in fig. 2, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 6 is a schematic structural diagram of a second temperature determination apparatus according to an embodiment of the present invention, and as shown in fig. 6, on the basis of the foregoing embodiment, the temperature determination apparatus 500 according to the present embodiment may further include a determining module 503.
Optionally, the processing module 502 is further configured to:
acquiring a current heating gear of the induction cooker;
and determining the first temperature deviation corresponding to the current heating gear according to the corresponding relation between the heating gear and the first temperature deviation.
Optionally, the processing module 502 is further configured to:
obtaining at least one candidate temperature deviation;
determining the first temperature deviation according to the mean value of the at least one candidate temperature deviation;
wherein the candidate temperature deviation is determined according to a difference between a second detected temperature and a third detected temperature, the second detected temperature is the temperature of the pot detected by the temperature sensor before the induction cooker stops heating, and the third detected temperature is the temperature of the pot detected by the temperature sensor after the induction cooker stops heating.
Optionally, the processing module 502 is specifically configured to:
determining a first current temperature of the cookware according to the first detected temperature, the first temperature deviation and the second temperature deviation, wherein the second temperature deviation is used for bearing the temperature deviation generated by the panel of the cookware.
Optionally, the processing module 502 is specifically configured to:
acquiring a difference value between the first detection temperature and the first temperature deviation;
and determining the first current temperature of the cooker according to the sum of the difference and the second temperature deviation.
Optionally, the judging module 503 is configured to determine whether the induction cooker stops heating according to the first current temperature and the first heat preservation temperature.
Optionally, the obtaining module 501 is further configured to obtain a fourth detected temperature of the pot detected by the temperature sensor after the induction cooker stops heating;
the processing module 502 is further configured to determine a second current temperature of the pot according to a difference between the fourth detected temperature and a second temperature deviation, wherein the second temperature deviation is a temperature deviation generated by a panel for carrying the pot;
the judging module 503 is further configured to determine whether the induction cooker starts to heat according to the second current temperature and the second heat preservation temperature.
The temperature determination apparatus of this embodiment may be used to implement any of the above method embodiments, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 7 is a schematic structural diagram of an induction cooker according to an embodiment of the present invention, and as shown in fig. 7, an induction cooker 700 according to the embodiment includes: a processor 701, a memory 702, and a temperature sensor (not shown), wherein the processor 701, the memory 702 are connected by a bus 703.
The temperature sensor is used for detecting the current temperature of the cooker; the memory 702 is used to store programs; the processor 701 is configured to execute the program stored in the memory 702, and when the program is executed, the processor 701 is configured to execute the temperature determination method of any one of the above-mentioned method embodiments.
For a specific implementation process of the processor 701, reference may be made to the above method embodiments, which implement principles and technical effects similar to each other, and details of this embodiment are not described herein again.
In the embodiment shown in fig. 7, it should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise high speed RAM memory and may also include non-volatile storage NVM, such as at least one disk memory.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The invention further provides a computer-readable storage medium, wherein computer-executable instructions are stored in the computer-readable storage medium, and when a processor executes the computer-executable instructions, the temperature determination method of any one of the above method embodiments is implemented.
The computer readable storage medium may be any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SR AM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk. Readable storage media can be any available media that can be accessed by a general purpose or special purpose computer.
An exemplary readable storage medium is coupled to the processor such the processor can read information from, and write information to, the readable storage medium. Of course, the readable storage medium may also be an integral part of the processor. The processor and the readable storage medium may reside in an Application Specific Integrated Circuits (ASIC). Of course, the processor and the readable storage medium may also reside as discrete components in the apparatus.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of temperature determination, comprising:
when the induction cooker is in a heating state, acquiring a first detection temperature of the cookware detected by the temperature sensor;
determining a first current temperature of the cookware according to the first detected temperature and the first temperature deviation; wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor.
2. The method of claim 1, wherein prior to determining a first current temperature of the pot based on the first detected temperature and a first temperature deviation, further comprising:
acquiring a current heating gear of the induction cooker;
and determining the first temperature deviation corresponding to the current heating gear according to the corresponding relation between the heating gear and the first temperature deviation.
3. The method of claim 1, wherein prior to determining a first current temperature of the pot based on the first detected temperature and a first temperature deviation, further comprising:
obtaining at least one candidate temperature deviation;
determining the first temperature deviation according to the mean value of the at least one candidate temperature deviation;
wherein the candidate temperature deviation is determined according to a difference between a second detected temperature and a third detected temperature, the second detected temperature is the temperature of the pot detected by the temperature sensor before the induction cooker stops heating, and the third detected temperature is the temperature of the pot detected by the temperature sensor after the induction cooker stops heating.
4. The method of any of claims 1 to 3, wherein said determining a first current temperature of the pot based on the first detected temperature and a first temperature deviation comprises:
determining a first current temperature of the cookware according to the first detected temperature, the first temperature deviation and the second temperature deviation, wherein the second temperature deviation is used for bearing the temperature deviation generated by the panel of the cookware.
5. The method of claim 4, wherein determining a first current temperature of the pot based on the first detected temperature, a first temperature deviation, and a second temperature deviation comprises:
acquiring a difference value between the first detection temperature and the first temperature deviation;
and determining the first current temperature of the cooker according to the sum of the difference and the second temperature deviation.
6. The method according to any of the claims 1 to 3, wherein after determining the first current temperature of the pot, further comprising:
and determining whether the induction cooker stops heating or not according to the first current temperature and the first heat preservation temperature.
7. The method of claim 6, further comprising:
after the induction cooker stops heating, acquiring a fourth detection temperature of the cookware, which is detected by the temperature sensor;
determining a second current temperature of the pot according to a difference value between the fourth detected temperature and a second temperature deviation, wherein the second temperature deviation is a temperature deviation generated by a panel for bearing the pot;
and determining whether the induction cooker starts to heat or not according to the second current temperature and the second heat preservation temperature.
8. A temperature determining apparatus, comprising:
the acquisition module is used for acquiring a first detection temperature of the cookware detected by the temperature sensor when the induction cooker is in a heating state;
the processing module is used for determining a first current temperature of the cooker according to the first detected temperature and the first temperature deviation; wherein the first temperature deviation is used for correcting the temperature deviation generated by the induced electromotive force of the temperature sensor.
9. An induction cooker, comprising:
the temperature sensor is used for detecting the current temperature of the cooker;
a memory for storing a program;
a processor for executing the program stored by the memory, the processor being configured to perform the method of any of claims 1 to 7 when the program is executed.
10. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 7.
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| CN1806209A (en) * | 2004-03-10 | 2006-07-19 | 松下电器产业株式会社 | Image heater |
| JP2010113901A (en) * | 2008-11-05 | 2010-05-20 | Mitsubishi Electric Corp | Heating cooker |
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| CN111473369B (en) | 2022-03-15 |
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