CN115654543A

CN115654543A - Kitchen range and control method thereof

Info

Publication number: CN115654543A
Application number: CN202211321544.9A
Authority: CN
Inventors: 黄涛; 林常盛
Original assignee: Hisense Home Appliances Group Co Ltd
Current assignee: Hisense Home Appliances Group Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-31

Abstract

The embodiment of the application provides a stove and a control method thereof, relates to the technical field of intelligent kitchen electricity, and is used for improving the intelligent level of the stove. This cooking utensils include: the temperature sensor is used for detecting the temperature value of a pot placed on the stove; a controller configured to: acquiring temperature values of the cookware in N sampling periods within a first time period through a temperature sensor; n is an integer greater than 2; respectively determining the temperature variation of N sampling periods according to the temperature values of the N sampling periods, wherein the temperature variation of one sampling period is equal to the difference between the temperature value of the sampling period and the temperature value of the previous sampling period; determining temperature fluctuation amount according to the temperature variation amount of the N sampling periods, wherein the temperature fluctuation amount is used for representing the temperature fluctuation condition of the cookware in the first time period; determining the type of the cookware according to the temperature fluctuation amount and the actual working power of the cookware; and switching to the working mode matched with the type of the cookware from the current working mode.

Description

Kitchen range and control method thereof

Technical Field

The application relates to the technical field of intelligent kitchen electricity, in particular to a cooker and a control method thereof.

Background

The current kitchenware products are undergoing the process of product refinement and intellectualization. Along with the increasing improvement of the intellectualization of large-scale household appliances such as refrigerators, ovens, range hoods and the like, products such as cookware, cookers and the like of small-scale household appliances are added with intellectualized promotion ranks.

The intelligent level of the cooker is mainly embodied in that whether a cooker exists or not is identified by using a pot detection algorithm. If no pot is detected, the heating is stopped, so that the situation that the heating is directly carried out without the pot is reduced; if the existence of the cookware is detected, the cookware is heated to cook food therein. However, the intelligent level of the existing cooker is low, and the cooker cannot have a good cooking effect on food only by detecting whether a cooker is available or not, so that the dining experience of a user is influenced.

Disclosure of Invention

The application provides a cooker and a control method thereof, which are used for improving the intelligent level of the cooker.

In a first aspect, a cooktop is provided, comprising:

the temperature sensor is used for detecting the temperature value of a pot placed on the stove;

a controller configured to:

acquiring temperature values of the cookware in N sampling periods in a first time period through a temperature sensor; n is an integer greater than 2;

respectively determining the temperature variation of N sampling periods according to the temperature values of the N sampling periods, wherein the temperature variation of one sampling period is equal to the difference between the temperature value of the sampling period and the temperature value of the previous sampling period;

determining temperature fluctuation amount according to the temperature variation amount of the N sampling periods, wherein the temperature fluctuation amount is used for representing the temperature fluctuation condition of the cookware in the first time period;

determining the type of the cookware according to the temperature fluctuation amount and the actual working power of the cookware;

and switching to the working mode matched with the type of the cookware from the current working mode.

The technical scheme provided by the embodiment of the application at least has the following beneficial effects: the embodiment of the application provides a cooking utensils, and the controller confirms the temperature fluctuation volume according to the pan of placing on the cooking utensils at the temperature variation of N sampling cycle, according to the actual operating power of temperature fluctuation volume and cooking utensils, confirms the kind of pan to make the controller switch the mode of cooking utensils to the mode of operation with the kind assorted of pan according to the kind of pan. It can be understood, be in under the same operating power at cooking utensils, the temperature value that different kinds of pans can reach at the same time is different, the event can determine the kind of this pan according to the temperature fluctuation volume of a pan in a time quantum and the actual operating power of cooking utensils, and then switch over the mode of operation of cooking utensils to the kind assorted mode of operation with the pan, so that cooking utensils have good culinary art effect to the food in the pan, the intelligent level of cooking utensils has been promoted, and then user's use experience has been promoted.

In some embodiments, the amount of temperature fluctuation is determined according to the following equation:

B＝(K ₂ -K ₁ ) ² +…(K _N -K _N-1 ) ²

wherein B is the amount of temperature fluctuation, K ₁ For the temperature variation of the first one of the N sampling periods, K ₂ Is the temperature variation of the second sampling period of N sampling periods, K _N-1 Is the temperature variation of the N-1 th sampling period in the N sampling periods, K _N The temperature variation of the Nth sampling period in the N sampling periods.

In some embodiments, the controller is configured to specifically execute the following steps when determining the type of the cookware according to the temperature fluctuation amount and the actual working power of the cooker: determining the type of the cookware according to the temperature fluctuation amount, the actual working power of the cookware and a preset corresponding relation; the preset corresponding relation comprises a corresponding relation among the temperature fluctuation amount, the working power of the cooker and the type of the cooker.

In some embodiments, the controller is configured to, when acquiring temperature values of the pot in N sampling periods within the first time period through the temperature sensor, specifically perform the following steps: acquiring initial temperature values of the cookware in N sampling periods within a first time period through a temperature sensor; for each sampling period in the N sampling periods, if the initial temperature value of the sampling period meets a preset condition, taking the initial temperature value of the sampling period as the temperature value of the sampling period; or if the initial temperature value of the sampling period does not meet the preset condition, taking the predicted temperature value of the sampling period as the temperature value of the sampling period; the preset condition comprises that the initial temperature value of the sampling period is within a preset temperature interval range, and the predicted temperature value of the sampling period is obtained by prediction according to the temperature values of a plurality of sampling periods before the sampling period.

In some embodiments, the types of cookware include: electromagnetic pot, casserole, porridge cooking pot, tin foil paper pot, and instant noodle bucket.

In some embodiments, the controller is further configured to: when the stove is in an operating state, acquiring a working current value of the stove and a working voltage value of the stove; and obtaining the actual working power of the cooker according to the working current value of the cooker and the working voltage value of the cooker.

In a second aspect, a method of controlling a cooktop is provided, the method comprising: acquiring temperature values of the cookware in N sampling periods within a first time period; n is an integer greater than 2; according to the temperature values of the N sampling periods, the temperature variation of the N sampling periods is respectively determined, and the temperature variation of one sampling period is equal to the difference between the temperature value of the sampling period and the temperature value of the previous sampling period; determining temperature fluctuation amount according to the temperature variation amount of the N sampling periods, wherein the temperature fluctuation amount is used for representing the temperature fluctuation condition of the cookware in the first time period; determining the type of the cookware according to the temperature fluctuation amount and the actual working power of the cookware; and switching to the working mode matched with the type of the cookware from the current working mode.

B＝(K ₂ -K ₁ ) ² +…(K _N -K _N-1 ) ²

wherein B is the amount of temperature fluctuation, K ₁ For the amount of temperature fluctuation of the first sampling period of N sampling periods, K ₂ For the temperature fluctuation amount of the second sampling period of N sampling periods, K _N-1 Is the temperature fluctuation amount of the N-1 th sampling period in the N sampling periods, K _N The temperature fluctuation amount of the nth sampling period in the N sampling periods.

In some embodiments, determining the type of cookware according to the temperature fluctuation amount and the actual working power of the cookware includes: determining the type of the cookware according to the temperature fluctuation amount, the actual working power of the cookware and a preset corresponding relation; the preset corresponding relation comprises a corresponding relation among the temperature fluctuation amount, the working power of the cooker and the type of the cooker.

In some embodiments, obtaining the temperature values of the pot in the first time period for N sampling periods includes: acquiring initial temperature values of the cookware in N sampling periods within a first time period; for each sampling period in the N sampling periods, if the initial temperature value of the sampling period meets a preset condition, taking the initial temperature value of the sampling period as the temperature value of the sampling period; or if the initial temperature value of the sampling period does not meet the preset condition, taking the predicted temperature value of the sampling period as the temperature value of the sampling period; the preset condition comprises that the initial temperature value of the sampling period is within a preset temperature interval range, and the predicted temperature value of the sampling period is obtained by prediction according to the temperature values of a plurality of sampling periods before the sampling period.

In a third aspect, an embodiment of the present application provides a controller, including: one or more processors; one or more memories; wherein the one or more memories are for storing computer program code comprising computer instructions which, when executed by the one or more processors, cause the controller to perform any of the methods of controlling a cooktop provided by the second aspect.

In a fourth aspect, embodiments of the present application provide a computer-readable storage medium comprising computer instructions that, when executed on a computer, cause the computer to perform any one of the methods for controlling a cooktop provided by the second aspect.

In a fifth aspect, embodiments of the present invention provide a computer program product, which is directly loadable into a memory and contains software codes, and which, when loaded and executed by a computer, is capable of implementing any one of the control methods of the cooking appliance as provided in the second aspect.

It should be noted that all or part of the computer instructions may be stored on the computer readable storage medium. The computer readable storage medium may be packaged with or separately from a processor of the controller, which is not limited in this application.

The beneficial effects described in the second to fifth aspects of the present application may refer to the beneficial effect analysis of the first aspect, and are not described herein again.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic structural diagram of a cooker provided in an embodiment of the present application;

fig. 2 is a schematic view of a display control panel of a display of a cooker provided in an embodiment of the present application;

fig. 3 is a block diagram of a hardware configuration of a cooking appliance provided in an embodiment of the present application;

FIG. 4 is a schematic diagram of a position of a temperature sensor of a cooking appliance provided in an embodiment of the present application;

FIG. 5 is a schematic diagram of a user clicking a function icon of a display of a cooker according to an embodiment of the present application;

FIG. 6 is a schematic view of another embodiment of the present disclosure illustrating a user clicking a function icon of a display of a cooktop;

FIG. 7 is a schematic flow chart of a control method of a cooking appliance provided in an embodiment of the present application;

FIG. 8 is a schematic flow chart of another cooking appliance control method provided by the embodiment of the application;

FIG. 9 is a schematic flow chart of another cooking appliance control method provided by an embodiment of the present application;

fig. 10 is a schematic flow chart of another control method for a cooker according to an embodiment of the present disclosure;

fig. 11 is a schematic hardware structure diagram of a controller according to an embodiment of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. In addition, when a pipeline is described, the terms "connected" and "connected" are used in this application to have a meaning of conducting. The specific meaning is to be understood in conjunction with the context.

In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

The cooking utensils at present stage can only discern and have the pan to exist on the cooking utensils to provide fixed culinary art mode and carry out work when discerning that there is the pan to exist, however the heat transfer performance of the pan of different grade type is different, if adopt the same culinary art mode to heat the pan of different grade type, easily cause the waste of heating power resource and can't guarantee the culinary art taste of food.

Based on this, the embodiment of the application provides a cooker and a control method thereof, and the type of a cooker on the cooker is determined according to the temperature fluctuation amount of the cooker and the actual working power of the cooker, so that a controller controls the cooker to switch the working mode to the working mode matched with the type of the cooker. Therefore, the cooking utensils can be switched to different working modes according to different kinds of cookers, so that the working modes of the cooking utensils can be matched with the kinds of cookers, the cooking effect of the cooking utensils on food in the cookers is improved, and the dining experience of users is further improved.

Illustratively, when a pot with high heating and heat transfer performance is identified, the pot is switched to a low-power working mode without needing overhigh power, so that the resource waste is reduced, the pot is prevented from being burnt, and the cooking effect of food materials is ensured; when the pan that heating heat transfer performance is low is discerned, can switch to high power mode to make the pan rapid heating up reach the state that can cook and eat the material, promote culinary art efficiency, so that the user can obtain better dining experience.

For further description of the scheme of the present application, fig. 1 is a schematic structural diagram of a cooker provided in an embodiment of the present application.

In some embodiments, the cooktop can be a smart cooker, gas range, electromagnetic cooker, or the like. For convenience of description, the cooking range is described as an electromagnetic range.

In some embodiments, the induction cooker can also be called as an induction cooker, which is a product of modern kitchen revolution, and the induction cooker does not need open fire or conduction heating to directly generate heat at the bottom of a pot, so that the heat efficiency is greatly improved. The electromagnetic stove is manufactured by utilizing an electromagnetic induction heating principle and comprises a high-frequency induction heating coil, a high-frequency power conversion device, a controller and the like. When the heating coil is used, alternating current is introduced into the heating coil. An alternating magnetic field is generated around the coil, most of the magnetic lines of force of the alternating magnetic field pass through the metal pot body, and a large amount of eddy current is generated at the bottom of the pot, so that heat required by cooking is generated. Because there is not naked light in the heating process, therefore the electromagnetism kitchen is liked by the user with convenience such as safety, health, and plug-and-play, and the market rate of use is higher and higher.

As shown in fig. 1, the cooktop 100 includes a housing 101, a cooktop panel 102, a display 103, and a controller 104 (not shown in fig. 1).

Wherein, the top of a kitchen range panel 102 sets up on casing 101, and top of a kitchen range panel 102 can be used to bear the weight of the pan.

In some embodiments, the cooktop panel 102 may be a glass ceramic panel or a ceramic panel. Wherein the glass ceramic panel is light transmissive and the ceramic panel is opaque. Both panels are specially treated and have the excellent characteristics of high temperature resistance and impact resistance.

In some embodiments, the display 103 may be a liquid crystal display, an organic light-emitting diode (OLED) display. The particular type, size, resolution, etc. of the display 103 is not limited, and those skilled in the art will appreciate that the display 103 may be modified in performance and configuration as desired.

The display 103 may be used to display a control panel of the cooktop 100 to implement a human-computer interaction function. For example, as shown in fig. 2, icons of function buttons such as a switch, a quick-fry, a hot pot, a water boiling, a timing, a soup, a constant temperature, a slow fire, "+", "-" and the like may be displayed on the control panel of the cooker 100 displayed on the display 103. Wherein, the "+" function icon represents the temperature increase or the power increase, the "-" function icon represents the temperature decrease or the power decrease, the rectangular box at the middle position between the "+" and "-" function icons can be called as a power/temperature display box, and can be used for displaying the current power used by the cooker, such as 2000W, or the set target temperature value, such as 200 ℃. It should be noted that displaying the function buttons on the display 103 in the form of icons is merely an example, and the display mode of the function buttons is not limited in the embodiment of the present application.

In some embodiments, the cooktop 100 can feed back the current state of the cooktop 100, such as being in a water-boiling state or a stir-fry state, etc., through the display 103.

In some embodiments, the controller 104 refers to a device that can generate an operation control signal according to the command operation code and the timing signal, and instruct the cooking appliance 100 to execute the control command. Illustratively, the controller 104 may be a Central Processing Unit (CPU), a general purpose processor Network Processor (NP), a Digital Signal Processor (DSP), a microprocessor, a microcontroller, a Programmable Logic Device (PLD), or any combination thereof. The controller 104 may also be other devices with processing functions, such as a circuit, a device or a software module, which is not limited in any way by the embodiments of the present application.

Fig. 3 is a block diagram of a hardware configuration of the cooktop 100 shown herein according to an exemplary embodiment. As shown in fig. 3, the cooktop 100 can also include one or more of the following: heating device 105, cooling fan 106, temperature sensor 107, voice prompt 108, communication interface 109, memory 110, and temperature prediction module 111.

In some embodiments, a heating device 105 is connected to the controller 104 for providing a heat source to the cooktop 100. The heating device 105 may be disposed below the cooktop panel 102.

In some embodiments, the heating device 105 may be a conventional electric heating device that uses electric energy to achieve a heating effect.

In some embodiments, the heating device 105 may be coil-shaped.

In some embodiments, a heat sink fan 106 is connected to the controller 104 for reducing the temperature inside the cooktop 100. The heat dissipation fan 106 may also be used to increase the air pressure in the air duct of the cooker 100 and discharge high-pressure air, and is a mechanism that increases the air pressure and discharges air by means of input mechanical energy, and the heat dissipation fan 106 may also be a ventilator, a blower, or a wind power generator.

In some embodiments, the cooktop 100 further comprises an air inlet and an air outlet that cooperate with the heat dissipation fan 106 to dissipate heat from the interior of the cooktop 100.

In some embodiments, the temperature sensor 107 is connected to the controller 104 for detecting a temperature value of the pot and sending the detected temperature value of the pot to the controller 104.

Although not shown in fig. 3, the kitchen range 100 may further include a power supply device (such as a battery and a power management chip) for supplying power to each component, and the battery may be logically connected to the controller 104 through the power management chip, so as to implement functions of power consumption management and the like of the kitchen range 100 through the power supply device.

Fig. 4 is a schematic diagram of an arrangement position of a temperature sensor according to an embodiment of the present disclosure. As shown in fig. 4, the temperature sensor 107 may be disposed at a central position of the cooktop panel 102.

In some embodiments, the temperature sensor 107 may be a negative temperature coefficient semiconductor thermistor, the resistance of which decreases with the increase of its own temperature and increases with the decrease of its own temperature, and the voltage across the resistor changes due to the change of the resistance.

In some embodiments, the controller 104 can obtain the real-time temperature value of the pot in the current period according to the temperature sensor 107. And determining the temperature fluctuation amount of the cookware according to the real-time temperature value of the cookware in the current period.

In some embodiments, the voice prompt device 108 is connected to the controller 104 and may be configured to issue a voice prompt after the cooking appliance 100 completes the related cooking operation, such as a timed heating end prompt tone, an overheating prompt tone, a pot movement prompt tone, and the like. The content of the voice prompt may be preset by a manufacturer of the cooker 100, or may be set by a user through the display 103.

In some embodiments, communication interface 109 is a component for communicating with external devices or servers according to various communication protocol types. For example: the communication interface 109 may include at least one of a wireless communication technology (WIFI) module, a bluetooth module, a wired ethernet module, a Near Field Communication (NFC) module, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver. Communication interface 109 may be used to communicate with other devices or communication networks (e.g., ethernet, radio Access Network (RAN), wireless Local Area Networks (WLAN), etc.). Illustratively, the communication interface 109 is coupled to the controller 104, and the controller 104 may communicate with the terminal device via the communication interface 109.

In some embodiments, the memory 110 is connected to the controller 104 for storing applications and data, and the controller 104 performs various functions and data processing of the hob 100 by operating the applications and data stored in the memory 110. The memory 110 mainly includes a program storage area and a data storage area, wherein the program storage area can store an operating system and application programs (such as a voice prompt function, an information display function, and the like) required by at least one function; the stored data area may store data created from use of the cooktop 100. Further, the memory 110 may include high speed random access memory, and may also include non-volatile memory, such as magnetic disk storage devices, flash memory devices, or other volatile solid state storage devices.

In some embodiments, the temperature prediction module 111 is coupled to the controller 104 for obtaining a predicted temperature value. The temperature prediction module 111 is configured with a trained temperature prediction model, and can input a plurality of temperature values to obtain a predicted temperature value.

In some embodiments, the cooktop can include multiple gears, for example 8 gears. Different gears correspond to different heating powers.

For example, table 1 below shows the correspondence between different gears and heating powers.

TABLE 1

It is easy to understand that one heating power corresponds to one temperature change speed, and it can be understood that the larger the heating power is, the faster the temperature change speed is. One heating power corresponds to one gear, that is, one gear corresponds to one temperature change speed, so that different gears corresponding to different temperature change speeds can be obtained, and it can be understood that the higher the gear is, the faster the temperature change speed is.

In some embodiments, the cooktop may include multiple functions, with different functions corresponding to different heating powers.

Exemplarily, table 2 shows the correspondence between different functions of the cooktop and the heating power.

TABLE 2

Mode of operation	Power of
		Slow fire	1000W
Soup and porridge	1600W
		Chafing dish	1800W
Boiling water	2000W
		Quick-fried food	2200W

In some embodiments, different heating powers correspond to different temperature limits. For example, 1000W corresponds to 160 ℃ and 1600W corresponds to 210 ℃. It is understood that the maximum pot can be heated to 160 ℃ if the cooker is operated at 1000W power and to 200 ℃ if the cooker is operated at 1600W power.

In combination with the above table 2, it can be understood that different operation modes of the cooker cause different maximum temperatures that can be reached by the cooker.

In some embodiments, the thermostatic function of the cooktop may correspond to a plurality of heating powers. For example, after the user sets the target temperature value by touching a "+" or "-" function icon on the display of the cooker, the user can touch a constant temperature function icon on the display of the cooker. Assuming that the target temperature value set by the user is 200 ℃, namely the heating power is 1600W, the controller controls the cooker to work at the heating power of 1600W all the time until a shutdown instruction of the user is received (namely the user clicks a switch function icon on a display of the cooker again), the constant temperature mode is cancelled, and the cooker enters the shutdown mode.

In some embodiments, a user may use a function where the cooktop may adjust power. It will be appreciated that during cooking of a food item by a user using the hob, different stages may cook the food item using different heating powers. For example, during cooking, a user may first select high power to perform a big fire stir-frying process on the food material, but after the food material is stir-fried for a period of time, in order to prevent the food material from being burnt and taste the food material, the user may select to reduce the power of the cooker to perform a small fire slow stewing process on the food material.

Generally, when a user uses the cooker, the user can adjust the temperature of the cooker by touching a ' + ' or ' -icon on a display of the cooker to adjust the heating power of the cooker.

In some embodiments, as shown in fig. 5, assuming the user selects to use the cooktop for cooking, the user can click on a stir-fry function icon on the display of the cooktop to send a stir-fry instruction to the cooktop. The controller receives a stir-frying instruction sent by a user, responds to the stir-frying instruction sent by the user, controls a power/temperature display frame of the display to display 2200W, and controls the cooker to work in a P8 gear.

After the cooker works in the P8 gear for a period of time, a user needs to slowly stew food materials, and the user can select to click the' -function icon on the display of the cooker so as to send a power reduction instruction to the cooker. Assuming that a user needs to reduce the heating power to 1400W, after the cooking appliance receives a power reduction instruction sent by the user, the power/temperature display frame of the display is controlled to display 1400W in response to the power reduction instruction sent by the user, and the cooking appliance is controlled to work in a P3 gear.

In some embodiments, a user may use the functionality of the cooktop to maintain a constant temperature. For example, when a user uses a cooker to fry food materials, the oil temperature in a cooker needs to be kept constant, that is, the cooker needs to keep the oil temperature in the cooker constant, so that poor cooking experience brought to the user due to the fact that the oil temperature in the cooker is suddenly high or low is avoided.

In some embodiments, as shown in fig. 6, a user may set a target temperature value by touching a "+" or "-" function icon on a display of the cooker, and then click on the constant temperature function icon to control the cooker to enter a constant temperature mode. Assuming that the target temperature value set by the user is 210 ℃, after receiving the instruction of setting the target temperature value by the user and the constant temperature mode instruction, the controller responds to the instruction of setting the target temperature value by the user and the instruction of entering the constant temperature mode, and controls the cooker to work at any gear of P5, P6, P7 or P8, for example, controls the cooker to work at the gear of P6, and controls the power/temperature display frame of the display to display the temperature of 210 ℃.

Those skilled in the art will understand that the composition of the cooker shown in fig. 1 does not constitute a limitation to the cooker, the cooker may include more or less components than those shown in the drawings, or combine some components, or split some components, or arrange different components, and the components shown in the drawings may be implemented by hardware, software, or a combination of software and hardware, which is not described in detail herein.

As shown in fig. 7, the present application provides a control method of a cooktop, which may be applied to a controller, which may be the controller 104 in the cooktop 100 shown in fig. 1 described above, and which may include the following steps:

s101, temperature values of the cookware in N sampling periods in a first time period are obtained.

In some embodiments, in order to identify the type of a pot placed on the cooker in time, during the operation of the cooker, the controller may obtain the temperature values of the pot in N sampling periods within the first time period in real time or periodically through the temperature sensor. Wherein N is an integer greater than 2.

Illustratively, assume that N is 10, i.e., the first time period includes 10 sampling periods.

S102, respectively determining the temperature variation of the N sampling periods according to the temperature values of the N sampling periods.

In some embodiments, after the controller obtains the temperature values of the N sampling periods, the temperature variation amounts of the N sampling periods may be respectively determined according to the temperature values of the N sampling periods. For each of the N sampling periods, the temperature variation of one sampling period is equal to the difference between the temperature value of the sampling period and the temperature value of the previous sampling period before the sampling period.

In some embodiments, the temperature variation amount of the first sampling period of the N sampling periods is a difference between a temperature value of the first sampling period and a preset temperature value, where the preset temperature value may be preset when the kitchen range leaves a factory, for example, the preset temperature value is 0 ℃.

For example, assuming that the sampling period of the first time period is 3, the temperature value of the first sampling period is T1, the temperature value of the second sampling period is T2, and the temperature value of the third sampling period is T3, the temperature variation of the first sampling period is T1 to T0, the temperature variation of the second sampling period is T2 to T1, and the temperature variation of the third sampling period is T3 to T2. Wherein, T0 is the preset temperature value.

And S103, determining the temperature fluctuation amount according to the temperature variation amount of N sampling periods.

In some embodiments, after obtaining the N temperature variation amounts of the pot in the N sampling periods, the controller may determine the temperature fluctuation amount according to the temperature variation amounts in the N sampling periods.

For example, the temperature fluctuation amount may be determined by the following formula (1):

B＝(K ₂ -K ₁ ) ² +…(K _N -K _N-1 ) ² formula (1)

Wherein B is the calculated temperature fluctuation amount, K ₁ For the temperature variation of the first one of the N sampling periods, K ₂ Is the temperature variation of the second sampling period of N sampling periods, K _N-1 Is the temperature variation of the N-1 th sampling period in the N sampling periods, K _N The temperature variation of the Nth sampling period in the N sampling periods.

Wherein, the temperature fluctuation amount is used for representing the fluctuation condition of the temperature of the cookware in the first time period.

It can be understood that the smaller the temperature fluctuation amount of a pot in the first time period is, the smaller the temperature change of the pot in the first time period is, namely the heat transfer performance of the pot is low; the larger the temperature fluctuation amount of a pot in the first time period is, the larger the temperature change of the pot in the first time period is, and the heat transfer performance of the pot is high.

S104, determining the type of the cookware according to the temperature fluctuation amount and the actual working power of the cookware.

In some embodiments, after the controller determines the temperature fluctuation amount of the cookware placed on the cooker in the first time period, the type of the cookware can be determined according to the temperature fluctuation amount of the cookware in the first time period and the actual working power of the cooker.

It can be understood that, because the heat transfer performance of different kinds of cookware is different, after the cookware heats different kinds of cookware with the same working power and the same working time, the temperatures that different kinds of cookware can reach may be different, that is, the temperature fluctuation amounts of different kinds of cookware are different, so that the kinds of cookware can be determined according to the temperature fluctuation amounts within a period of time and the actual working power of the cookware.

For the description of how to obtain the actual operating power of the cooker, reference may be made to the following description of step S201 to step S202, which is not repeated herein.

Optionally, as shown in fig. 8, step S104 may be implemented as the following steps:

s1041, determining the type of the cookware according to the temperature fluctuation amount, the actual working power of the cookware and the preset corresponding relation.

The preset corresponding relation comprises a corresponding relation among the temperature fluctuation amount, the working power of the cooker and the type of the cooker.

For example, the preset correspondence between the actual operating power value of the cooker, the temperature fluctuation amount and the type of the cookware may be as shown in table 3 below.

TABLE 3

Kind of pot	Actual working power of kitchen range	Amount of temperature fluctuation
			Electromagnetic pot	0.9M	3
Porridge cooking pot	0.8M	10
			Tin foil paper pot	0.5M	45
Instant noodle fast food barrel	0.6M	70
			Marmite	0.7M	50

Wherein M is the maximum power which can be reached by the cooker in the working process, and can be preset when the cooker leaves a factory.

As can be seen from the above table 3, when the actual working power of the cooker is 0.9M and the temperature fluctuation amount is 3, the type of the cookware is determined to be the electromagnetic cooker; when the actual working power of the cooker is 0.8M and the temperature fluctuation amount is 10, determining the type of the cooker as a porridge cooker; when the actual working power of the cooker is 0.5M and the temperature fluctuation amount is 45, determining the type of the cookware as a tin foil cookware; when the actual working power of the cooker is 0.6M and the temperature fluctuation amount is 70, the type of the cooker is determined to be the instant noodle bucket. When the actual working power of the cooker is 0.7M and the temperature fluctuation amount is 50, determining the type of the cookware as the marmite.

For example, if the controller obtains that the temperature fluctuation amount of the current cooker is 10 and the actual working power of the cooker is 0.8M, the controller traverses the table 3 by using the temperature fluctuation amount of 10 and the actual working power of the cooker as an index, and may determine that the type of the current cooker is a porridge cooker.

S105, switching from the current working mode to a working mode matched with the type of the cookware.

The operating modes of the stove comprise a slow fire operating mode, a soup and porridge operating mode, a hot pot operating mode, a water boiling operating mode and a quick frying operating mode.

It can be understood that the working modes matched by different kinds of cookware can be different. The cooking utensils are heating the in-process to a pan, adopt with this pan assorted mode of operation to heat this pan, can guarantee the culinary art effect to food in the pan.

Therefore, after the controller identifies the type of a pot, the current working mode can be switched to the working mode matched with the type of the pot, so that the cooking effect of food in the pot is ensured, and the dining experience of a user is ensured.

For example, suppose that the working mode matched with the electromagnetic pan is the quick-frying working mode in the table 2, the working mode matched with the marmite is the slow-fire working mode in the table 2, and the current working mode of the cooker is the quick-frying mode. Under the condition that the controller identifies that the type of the pan currently placed on the cooker is a marmite, the controller controls the cooker to be switched from the stir-frying working mode to the slow fire working mode, so that the working mode of the cooker can be matched with the type of the pan, and the cooking effect of food in the pan is guaranteed.

In some embodiments, after the controller determines the type of the cookware according to the temperature fluctuation amount and the actual working power of the cookware, the controller may display the working mode matched with the type of the cookware on the display, and if the user does not modify within a preset time, the controller controls the cookware to work according to the working mode displayed on the current display. The preset time duration is preset when the stove leaves a factory, for example, the preset time duration is 15 seconds (second, S). Based on the embodiment shown in fig. 7, at least the following beneficial effects are brought: according to the control method of the cooker, the temperature fluctuation amount is determined according to the temperature variation amount of the cooker placed on the cooker in N sampling periods, the type of the cooker is determined according to the temperature fluctuation amount and the actual working power of the cooker, and then the working mode of the cooker is switched to the working mode matched with the type of the cooker. It can be understood, be in under the same operating power at cooking utensils, the temperature value that different kinds of pans can reach at the same time is different, the event can determine the kind of this pan according to the temperature fluctuation volume of a pan in a time quantum and the actual operating power of cooking utensils, and then switch over the mode of operation of cooking utensils to the kind assorted mode of operation with the pan, so that cooking utensils have good culinary art effect to the food in the pan, the intelligent level of cooking utensils has been promoted, and then user's use experience has been promoted.

Optionally, as shown in fig. 9, the step S101 may be implemented as the following steps:

s1011, obtaining initial temperature values of the cookware in N sampling periods in the first time period.

In some embodiments, the controller obtains an initial temperature value of the pot for N sampling periods within the first time period through the temperature sensor.

S1012, regarding each sampling period in the N sampling periods, if the initial temperature value of the sampling period satisfies a preset condition, taking the initial temperature value of the sampling period as the temperature value of the sampling period.

The preset condition comprises that the initial temperature value of the sampling period is within a preset temperature interval range. The preset temperature interval may be preset when the cooker leaves a factory, for example, the preset temperature interval is [50 ℃,80 ℃).

It can be understood that the temperature variation trend of the pot is kept within a certain temperature range in the process of heating the pot by the cooker. In the process that the controller detects the temperature value of the cookware in the N sampling periods through the temperature sensor, due to the abnormality or some emergency situations of the temperature sensor, the detection accuracy of the temperature sensor may be abnormal, and then the temperature value of a certain sampling period in the N sampling periods detected by the temperature sensor is abnormal, for example, the temperature value detected in the certain sampling period is too large or too small, if the abnormal temperature value in the sampling period is used as the temperature value in the sampling period, the accuracy of subsequent type identification of the cookware may be influenced.

In order to improve the accuracy of subsequent type identification of a cookware, after the controller acquires the initial temperature value of each sampling period in N sampling periods, whether the initial temperature value of each sampling period meets a preset condition or not can be checked, if the initial temperature value of one sampling period meets the preset condition, the temperature value of the sampling period is represented to be at a normal level, and the initial temperature value of the sampling period can be used as the temperature value of the sampling period.

And S1013, if the initial temperature value of the sampling period does not meet the preset condition, taking the predicted temperature value of the sampling period as the temperature value of the sampling period.

It can be understood that, if the initial temperature value of a sampling period does not satisfy the preset condition, that is, the initial temperature value of the sampling period is not within the preset temperature interval range, the initial temperature value of the sampling period is an abnormal temperature value, and in order to reduce the influence of the abnormal temperature value of the sampling period on the type identification accuracy of the subsequent cookware, the predicted temperature value of the sampling period can be used as the temperature value of the sampling period.

The predicted temperature value of one sampling period is obtained by prediction according to the temperature values of a plurality of sampling periods before the sampling period.

In some embodiments, a trained temperature prediction model is pre-stored in a temperature prediction module of the cooker, and when the controller determines that the initial temperature value of any one of N sampling periods does not satisfy the preset condition, temperature values of a plurality of (e.g., three) sampling periods before the sampling period may be input into the trained temperature prediction model to obtain a predicted temperature value of the sampling period, and then the predicted temperature value of the sampling period is used as the temperature value of the sampling period.

Alternatively, the temperature prediction model may be implemented by various algorithms. For example, a conventional temperature prediction model based on a machine learning algorithm is obtained by using a Support Vector Machine (SVM) algorithm, a gradient boosting iterative decision tree (GBDT) algorithm, a random forest algorithm (RF) algorithm, and the like, or a temperature prediction model based on a deep learning algorithm is obtained by using a Convolutional Neural Network (CNN) algorithm, a Recurrent Neural Network (RNN) algorithm, and a long-term short-memory network (LSTM) algorithm, which is not limited in this embodiment.

For example, assuming that there are three sampling periods, namely a first sampling period, a second sampling period, and a third sampling period, the initial temperature value of the first sampling period is 53 ℃, the initial temperature value of the second sampling period is 57 ℃, and the initial temperature value of the third sampling period is 91 ℃, it can be known by comparing the initial temperature value of each sampling period with the preset temperature interval, and the initial temperature value of the first sampling period and the initial temperature value of the second sampling period are both within the preset temperature interval range, then 53 ℃ can be used as the temperature value of the first sampling period, and 57 ℃ can be used as the temperature value of the second sampling period. And the initial temperature value of the third sampling period is not within the preset temperature interval range, and assuming that the first sampling period and the second sampling period are sampling periods before the third sampling period, the temperature value of the first sampling period and the temperature value of the second sampling period can be input into the temperature prediction model, so as to obtain the predicted temperature value of the third sampling period.

So, reduced because temperature sensor detects the precision unusual and to the influence of follow-up pan kind discernment's precision, promoted pan kind discernment's precision, help the controller according to discerning the high pan kind identification result of precision, accurate with the mode switch of cooking utensils to with the kind assorted mode of pan, also promoted the precision that switches cooking utensils mode, promoted the intelligent level of cooking utensils.

The above embodiments highlight the description of how to determine the kind of cookware in the control method of the cooking appliance provided by the embodiments of the present application, and in some embodiments, the control method of the cooking appliance provided by the embodiments of the present application further relates to a description of how to obtain the actual operating power of the cooking appliance, as shown in fig. 10, the method further includes the following steps:

s201, when the kitchen range is in an operating state, acquiring a working current value of the kitchen range and a working voltage value of the kitchen range.

In some embodiments, in order to obtain the real-time working power of the cooker, when the cooker is in an operating state, the controller obtains a working current value and a working voltage value of the cooker in the operating state.

S202, obtaining the actual working power of the kitchen range according to the working current value of the kitchen range and the working voltage value of the kitchen range.

In some embodiments, after the controller obtains the operating current value and the operating voltage value of the cooker in the operating state, the actual operating power of the cooker may be obtained according to the following formula (2):

p = U × I formula (2)

Wherein, P is the actual working power of the kitchen range, U is the working voltage value of the kitchen range, and I is the working current value of the kitchen range.

For example, assuming that the operation current value of the cooker is 220 amperes (a) and the operation voltage value of the cooker is 5 volts (V), the actual operation power of the cooker is 1100 watts (W) according to the above formula (2).

It can be seen that the foregoing describes the solution provided by the embodiments of the present application primarily from a methodological perspective. In order to implement the functions described above, the embodiments of the present application provide corresponding hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed in hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

In the embodiment of the present application, the controller may be divided into the functional modules according to the above method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. Optionally, the division of the modules in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.

As shown in fig. 11, the controller 3000 includes a processor 3001, and optionally, a memory 3002 and a communication interface 3003, which are connected to the processor 3001. The processor 3001, memory 3002, and communication interface 3003 are connected by a bus 3004.

The processor 3001 may be a Central Processing Unit (CPU), a general purpose processor Network Processor (NP), a Digital Signal Processor (DSP), a microprocessor, a microcontroller, a Programmable Logic Device (PLD), or any combination thereof. The processor 3001 may also be any other means having processing functionality such as a circuit, device, or software module. The processor 3001 may also include multiple CPUs, and the processor 3001 may be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor. A processor herein may refer to one or more devices, circuits, or processing cores that process data (e.g., computer program instructions).

The memory 3002 may be a read-only memory (ROM) or other types of static storage devices that may store static information and instructions, a Random Access Memory (RAM) or other types of dynamic storage devices that may store information and instructions, an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), a magnetic disc storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, which are not limited by the embodiments of the present application. The memory 3002 may be separate or integrated with the processor 3001. The memory 3002 may contain, among other things, computer program code. The processor 3001 is configured to execute the computer program code stored in the memory 3002, thereby implementing the control method provided by the embodiment of the present application.

Communication interface 3003 may be used to communicate with other devices or communication networks (e.g., ethernet, radio Access Network (RAN), wireless Local Area Networks (WLAN), etc.). Communication interface 3003 may be a module, circuitry, transceiver, or any device capable of enabling communication.

The bus 3004 may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus 3004 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 11, but this is not intended to represent only one bus or type of bus.

Embodiments of the present invention also provide a computer-readable storage medium, where the computer-readable storage medium includes computer-executable instructions, and when the computer-executable instructions are executed on a computer, the computer is caused to execute the method provided in the foregoing embodiments.

The embodiment of the present invention further provides a computer program product, which can be directly loaded into the memory and contains software codes, and after being loaded and executed by the computer, the computer program product can implement the method provided by the above embodiment.

Those skilled in the art will recognize that, in one or more of the examples described above, the functions described in this invention may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.

Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions.

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. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical function division, and there may be other division ways in actual implementation. For example, various elements or components may be combined or may be integrated in another device, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. Units described as separate parts may or may not be physically separate, and parts displayed as units may be one physical unit or a plurality of physical units, may be located in one place, or may be distributed to a plurality of different places. 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 invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially or partially contributed to by the prior art, or all or part of the technical solutions may be embodied in the form of a software product, where the software product is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk or an optical disk, and various media capable of storing program codes.

The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A hob, characterized in that it comprises:

a controller configured to:

acquiring temperature values of the cookware in N sampling periods within a first time period through the temperature sensor; n is an integer greater than 2;

according to the temperature values of the N sampling periods, the temperature variation of the N sampling periods is respectively determined, and the temperature variation of one sampling period is equal to the difference between the temperature value of the sampling period and the temperature value of the previous sampling period;

determining a temperature fluctuation amount according to the temperature variation amount of the N sampling periods, wherein the temperature fluctuation amount is used for representing the fluctuation condition of the temperature of the cookware in the first time period;

2. Hob according to claim 1, characterized in that the temperature fluctuation amount is determined according to the following formula:

B＝(K ₂ -K ₁ ) ² +…(K _N -K _N-1 ) ²

wherein B is the amount of temperature fluctuation, K ₁ Is the temperature variation of the first sampling period of the N sampling periods, K ₂ Is the temperature variation of the second sampling period of the N sampling periods, K _N-1 Is the temperature variation of the N-1 th sampling period in the N sampling periods, K _N The temperature variation of the Nth sampling period in the N sampling periods is obtained.

3. Hob according to claim 2, wherein the controller is configured to specifically perform the following steps when determining the type of the cookware according to the temperature fluctuation amount and the actual working power of the hob:

determining the type of the cookware according to the temperature fluctuation amount, the actual working power of the cookware and a preset corresponding relation; the preset corresponding relation comprises a corresponding relation among the temperature fluctuation amount, the working power of the cooker and the type of the cooker.

4. The cooking appliance according to claim 3, wherein the controller is configured to, when obtaining the temperature values of the pot in N sampling periods within the first time period through the temperature sensor, specifically perform the following steps:

acquiring initial temperature values of the cookware in N sampling periods within a first time period through the temperature sensor;

for each sampling period in the N sampling periods, if the initial temperature value of the sampling period meets a preset condition, taking the initial temperature value of the sampling period as the temperature value of the sampling period; or,

if the initial temperature value of the sampling period does not meet the preset condition, taking the predicted temperature value of the sampling period as the temperature value of the sampling period; the preset condition comprises that the initial temperature value of the sampling period is within a preset temperature interval range, and the predicted temperature value of the sampling period is obtained by prediction according to the temperature values of a plurality of sampling periods before the sampling period.

5. Hob according to anyone of the claims 1 to 4, characterized in that the kind of cookware comprises: electromagnetic pot, casserole, porridge cooking pot, tin foil paper pot, and instant noodle bucket.

6. The cooktop of any of claims 1 to 4, wherein the controller is further configured to:

when the cooker is in an operating state, acquiring a working current value of the cooker and a working voltage value of the cooker;

and obtaining the actual working power of the cooker according to the working current value of the cooker and the working voltage value of the cooker.

7. A control method of a cooking appliance, characterized in that the method comprises:

acquiring temperature values of the cookware in N sampling periods within a first time period; n is an integer greater than 2;

8. The method of claim 7, wherein the amount of temperature fluctuation is determined according to the following equation:

B＝(K ₂ -K ₁ ) ² +…(K _N -K _N-1 ) ²

wherein B is the amount of temperature fluctuation, K ₁ Is the temperature fluctuation amount of the first sampling period of the N sampling periods, K ₂ Is the temperature fluctuation amount, K, of the second sampling period of the N sampling periods _N-1 Is the temperature fluctuation amount, K, of the N-1 th sampling period in the N sampling periods _N The temperature fluctuation amount of the Nth sampling period in the N sampling periods.

9. The method of claim 7, wherein determining the type of cookware according to the temperature fluctuation amount and the actual working power of the cookware comprises:

determining the type of the cookware according to the temperature fluctuation amount, the actual working power of the cookware and a preset corresponding relation; wherein, the preset corresponding relationship comprises the corresponding relationship among the temperature fluctuation amount, the working power of the cooker and the type of the cooker.

10. The method of claim 9, wherein the obtaining the temperature values of the pot for N sampling periods in the first time period comprises:

acquiring initial temperature values of the cookware in N sampling periods within a first time period;