CN107806656B - Food heating control method and food heating device - Google Patents

Food heating control method and food heating device Download PDF

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Publication number
CN107806656B
CN107806656B CN201710756586.8A CN201710756586A CN107806656B CN 107806656 B CN107806656 B CN 107806656B CN 201710756586 A CN201710756586 A CN 201710756586A CN 107806656 B CN107806656 B CN 107806656B
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heating
food
module
heated
information
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CN107806656A (en
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谢军
李玉强
虞朝丰
王堃
沈兵
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Qingdao Haier Smart Technology R&D Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Smart Technology R&D Co Ltd
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/66Circuits
    • H05B6/68Circuits for monitoring or control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00Baking; Roasting; Grilling; Frying
    • A47J37/06Roasters; Grills; Sandwich grills
    • A47J37/0623Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00Baking; Roasting; Grilling; Frying
    • A47J37/06Roasters; Grills; Sandwich grills
    • A47J37/0623Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
    • A47J37/0664Accessories

Abstract

The invention discloses a food heating control method and a food heating device, wherein the method comprises the following steps: the hyperspectral identification module acquires a hyperspectral image of the heated food, judges surface texture and color information of the heated food based on the hyperspectral image, judges whether the doneness of the heated food reaches a set doneness based on the surface texture and the color information, and controls to stop heating the heated food if the doneness of the heated food reaches the set doneness; the intelligent food heating device has the advantages that information such as the type, surface texture, surface color and luster, surface temperature and the like of the heated food is obtained based on hyperspectral imaging technology analysis, the ripeness of the heated food is judged by combining the information, intelligent food heating control is realized, the temperature of the food is not required to be acquired by adopting an external or internal temperature sensor, the ripeness of the food is also not required to be judged by depending on experience of a cook, intelligent adjustment can be realized according to characteristic difference of the food heating device, the optimal cooking effect is achieved, and the technical problem that the difficulty in controlling the existing food heating ripeness is high is solved.

Description

Food heating control method and food heating device
Technical Field
The invention belongs to the technical field of intelligent ovens, and particularly relates to a food heating control method and a food heating device.
Background
The food can be well heated to be cooked in a heating device such as a microwave oven, an oven and the like, wherein the temperature, especially the surface temperature, of the food has a corresponding relation with the maturity degree of the food, the maturity degree of the food is not well controlled, and the heated food is uncooked or cooked.
In order to properly heat the food, a cook is required to control the heating time and the heating power according to the observation and experience, which makes the doneness of the food heating completely dependent on the experience of the cook and the operating characteristics of the oven or microwave oven, resulting in a difficulty in controlling the doneness of the food heating.
In the prior art, a mode of acquiring the temperature of the heated food by using a built-in or external temperature sensor or measuring instrument is also provided, so that the heating time length and the heating firepower are controlled according to the acquired heating temperature of the food to achieve better heating maturity control. Among them, in the way of built-in temperature sensor, the temperature sensor installed on the inner wall of the oven is inserted on the food, and the heating temperature of the food is obtained in the heating process, which can destroy the integrity and beauty of the food, and if the connecting wire connecting the thermocouple or the thermal resistor is a high temperature resistant plastic envelope, harmful gas can be volatilized, if the connecting wire is connected by iron wires, the resistance value of the connecting wire itself can be changed at high temperature, which affects the measuring accuracy; the external temperature measuring instrument needs to open the door body of the oven or the microwave oven and insert the door body into food to obtain the temperature of the food in the heating process, which can also damage the integrity and the attractiveness of the food, dissipate heat in the oven or the microwave oven and damage the constancy of the heating temperature, and the heating effect of the food is directly influenced.
Disclosure of Invention
The application provides a food heating control method and a food heating device, and solves the technical problem that the existing food heating cooking degree control difficulty is large.
In order to solve the technical problems, the application adopts the following technical scheme:
a food heating control method is provided, which comprises the following steps: the hyperspectral identification module acquires a hyperspectral image of the heated food; judging surface texture and color information of the heated food based on the hyperspectral image; judging whether the doneness of the heated food reaches a set doneness based on the surface texture and color information; if so, controlling to stop heating the heated food; wherein the hyperspectral module is placed in a food heating device which heats the heated food.
Further, before determining the surface texture and color information of the heated food based on the hyperspectral image, the method further comprises: determining the type of the heated food based on the hyperspectral image, and acquiring weight information of the heated food by a weight identification module; setting a heating time and/or heating power of the heated food based on the kind of the heated food and the weight information.
Further, before setting the heating time and/or the heating power of the heated food based on the kind of the heated food and the weight information, the method further includes: receiving input heating maturity grade information; setting the heating time and/or heating power of the heated food based on the type of the heated food and the weight information, specifically: setting a heating time and/or heating power of the heated food based on the kind of the heated food, the weight information, and the heating doneness level information.
Further, after controlling the heating of the heated food to be stopped, the method further includes: the hyperspectral identification module acquires a hyperspectral image of a component of a heating component in the food heating device; determining a temperature of the heating component based on the component hyperspectral image; and displaying the temperature information of the heating component.
Further, after determining the temperature of the heating component based on the component hyperspectral image, the method further comprises: and judging whether the temperature of the heating part is lower than a set temperature or not, and if so, sending a food heating completion reminding message.
The food heating device comprises a hyperspectral identification module, a food information judgment module, a doneness judgment module and a control module; the hyperspectral identification module is arranged in the food heating device and used for acquiring a hyperspectral image of the heated food; the food information judging module is used for judging the surface texture and color information of the heated food based on the hyperspectral image; the doneness judging module is used for judging whether the doneness of the heated food reaches a set doneness or not based on the surface texture and color information; if yes, the control module is used for controlling to stop heating the heating food.
Further, the food heating device also comprises a weight identification module, a heating time setting module and/or a heating firepower setting module; the weight identification module is used for acquiring weight information of the heated food; the food information judging module is further used for determining the type of the heated food based on the hyperspectral image; the heating time setting module is used for setting the heating time of the heating food based on the type of the heating food and the weight information; the heating power setting module is configured to set heating power for heating food based on the type of the heating food and the weight information.
Further, the food heating device further comprises an input module; the input module is used for inputting heating maturity grade information; the heating time setting module is further used for setting the heating time of the heated food based on the type of the heated food, the weight information and the heating doneness level information; the heating power setting module is further configured to set heating power for heating the food based on the type of the heated food, the weight information, and the heating doneness level information.
Further, the food heating device comprises a heating part, a heating part temperature determining module and a display module; the hyperspectral identification module is further used for acquiring a component hyperspectral image of the heating component after the control module controls the heating of the heated food to be stopped; the heating component temperature determining module is used for determining the temperature of the heating component based on the component hyperspectral image; the display module is used for displaying the temperature of the heating component.
Furthermore, the food heating device also comprises a heating part temperature judging module and a reminding module; the heating part temperature judging module is used for judging whether the temperature of the heating part is lower than a set temperature or not, and if so, the reminding module is used for sending food heating completion reminding information.
Compared with the prior art, the application has the advantages and positive effects that: in the food heating control method and the food heating device provided by the application, the hyperspectral image of the heated food is obtained through the hyperspectral identification module, the type of the heated food and the surface texture and color of the heated food can be determined according to the hyperspectral imaging characteristic of the hyperspectral image, and the corresponding relation exists between the surface texture and color of the food and the cooked degree of the food, so the cooked degree of the heated food can be judged according to the surface texture and color of the food, when the cooked degree of the heated food reaches the set requirement, the heating of the heated food is stopped by controlling, the intelligent food heating control is realized, the temperature of the food is not required to be obtained by adopting an external or internal temperature sensor, the cooked degree of the food is not required to be judged by depending on the experience of a cook, the intelligent adjustment can be realized according to the characteristic difference of the food heating device, and the optimal cooking effect is reached, the technical problem that the control difficulty of the existing food heating maturity is high is solved.
After food heating is accomplished, can also acquire the high spectral image of the part of the inside heater block of food heating device through high spectral identification module, can be based on the temperature of spectral imaging analysis play part in the follow high spectral image of part, and then remind the temperature in the user device through the mode of display part temperature, avoid causing the scald when food of taking, perhaps after the part temperature reduces to the settlement temperature, send out warning information again and remind the user to take food, avoid the user to be scalded by high temperature component, user's use experience and the quality of product have been improved.
Other features and advantages of the present application will become more apparent from the detailed description of the embodiments of the present application when taken in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a flow chart of a food heating control method and control flow proposed by the present application;
fig. 2 is a device architecture diagram of the food heating device proposed in the present application.
Detailed Description
The following describes embodiments of the present application in further detail with reference to the accompanying drawings.
The food heating control method provided by the application is shown in fig. 1 and comprises the following steps:
step S11: the hyperspectral identification module acquires a hyperspectral image of the heated food.
The hyperspectral identification module is arranged in the food heating device, is preferably arranged above the heated food, and acquires hyperspectral images of the heated food according to a set frequency or time interval after the heated food is placed in the food heating device such as a microwave oven, an oven and the like.
The hyperspectral image is obtained based on a hyperspectral imaging technology, a hyperspectral sensor is used, a target area is imaged simultaneously in tens of to hundreds of continuous and subdivided spectral bands in ultraviolet, visible light, near infrared and mid-infrared areas of an electromagnetic spectrum, the obtained hyperspectral image is finely divided in spectral dimension, the hyperspectral image is not only distinguished by traditional black, white or R, G, B, but also has N channels in spectral dimension, therefore, the hyperspectral sensor obtains a data cube, not only has image information, but also is expanded in spectral dimension, and as a result, not only can the spectral data of each point on the image be obtained, but also the image information of any spectral band can be obtained.
The hyperspectral imaging of different types of food is different, the type of the food can be analyzed through the hyperspectral image of the heated food, the texture and color information of the surface of the heated food can also be analyzed, the texture and color of the surface of the food correspond to the cooked degree of the food, and the texture and color of the surface of the food correspond to the cooked degree of the food, namely, the surface texture and color reflect the cooked degree of the heated food.
Step S12: judging the type of the heated food based on the hyperspectral image; and step S13: the weight recognition module acquires weight information of the heated food.
The weight recognition module is arranged below a food tray of the food heating device, and the weight of the heated food is automatically acquired after the heated food is arranged on the food tray.
Step S14: the heating time and/or heating power for heating the food is set based on the kind and weight information of the food.
The food heating device is provided with a storage module, the storage module stores corresponding heating time and/or heating power under the condition of different weights of various foods, after a user puts the heated foods into the food heating device, the food heating device inquires the storage module according to the food type and the weight information of the heated foods to obtain the corresponding heating time and/or heating power, and then starts a heating program according to the inquiry result.
Or, in practical application, the requirements of the users for the doneness are different, usually, all the food heating devices are configured with a selection program for the users to operate, the users can input heating doneness grade information through the control panel after putting the heating food into the food heating device according to the self requirements, for example, selecting seventh-degree, eighth-degree, full-degree and the like, the storage module stores the heating time and/or heating power corresponding to different doneness of different types of food under different weight conditions, after the users put the heating food into the food heating device, the food heating device sets the heating time and/or heating power of the heating food according to the type, weight information and heating doneness grade information of the heating food, and then starts the heating program according to the query result.
Step S15: and judging the surface texture and color information of the heated food based on the hyperspectral image.
In the process that the heated food is heated, the hyperspectral image of the heated food is continuously acquired by the hyperspectral identification module, the surface texture and the color of the heated food are obtained based on hyperspectral image analysis, the corresponding relation set of the surface texture and the color of the food and the doneness of the food is also stored in the storage module, and after the surface texture and the color of the food are obtained through hyperspectral image analysis, the storage module can be inquired to obtain the doneness corresponding to the heated food.
Step S16: and judging whether the doneness of the heated food reaches the set doneness or not based on the surface texture and color information.
After knowing the doneness of the heated food, judging whether the doneness of the currently heated food reaches a set doneness, wherein the set doneness can be set as full doneness by default when not set by a user, or can be the doneness such as seventh doneness, eighth doneness and the like set by the user in the heating setting, when the doneness of the food judged by the surface texture and color information does not reach the set doneness, continuing the heating program, continuing to obtain the hyperspectral image of the heated food, analyzing the surface texture and color to determine the doneness until the doneness reaches the set doneness,
step S17: the control stops heating the heated food.
After the doneness of food reaches the set for doneness, whether the heating time who sets up reaches and all controls the heating that stops to heating food, guarantee that the doneness of food meets the demands, what realize is an intelligence food heating control, need not to adopt the temperature of external or built-in temperature sensor acquisition food, also need not to rely on the doneness of culinary art person's experience to judge food, can realize intelligent adjustment according to food heating device characteristic difference, reach best culinary art effect, the technical problem that current food heating doneness control degree of difficulty is big has been solved.
Step S18: the hyperspectral identification module acquires a hyperspectral image of a component of a heating component in the food heating device.
After the food is heated, the heating parts in the food heating device, such as a baking tray, a tray, an iron stand, etc., have high temperature, and if a user takes the heated food, the user is easily injured by scalding, etc.
Step S19: the temperature of the heating component is determined based on the component hyperspectral image.
The hyperspectral image is obtained by simultaneously imaging the target area by tens of to hundreds of continuous and subdivided spectral bands in ultraviolet, visible light, near infrared and mid infrared areas of an electromagnetic spectrum by using a hyperspectral sensor, so that the temperature of the surface of an object can be obtained by analysis based on hyperspectral imaging.
After the food is heated, the hyperspectral recognition module acquires the hyperspectral images of the heating parts, and the temperature of each heating part is obtained through the hyperspectral image analysis of the heating parts.
Step S20: and displaying temperature information of the heating component.
The temperature of these heater blocks is shown on food heating device's display module through, can play the effect of reminding the user, avoids the user to forget the high temperature situation in the food heating device and cause the mistake scald because of carelessness in the food process of taking.
Alternatively, step S21: and judging whether the temperature of the heating component is lower than a set temperature or not.
Setting a safe set temperature which can not cause scalding to users, waiting for the temperature reduction of the food heating device after the food heating is finished, analyzing the temperature of the heating part through a hyperspectral image in the temperature reduction process, after the temperature of the heating part is reduced to the set temperature,
step S22: sending out a reminding message of the completion of food heating.
Reminding the user of safely taking food in the modes of sound and light, voice, display and the like, avoiding scalding by mistake and improving the use experience of the user and the quality of products.
Based on the food heating control method, as shown in fig. 2, the present application further provides a food heating device, which includes a hyperspectral recognition module 21, a food information determination module 22, a doneness determination module 23, and a control module 24.
The hyperspectral identification module 21 is arranged in the food heating device and used for acquiring a hyperspectral image of the heated food; the food information judging module 22 is used for judging the surface texture and color information of the heated food based on the hyperspectral image; the doneness judging module 23 is used for judging whether the doneness of the heated food reaches a set doneness based on the surface texture and color information; if so, the control module 24 is configured to control the heating of the heated food to be stopped.
The food heating apparatus further includes a weight recognition module 26 and a heating time setting module 27 and/or a heating power setting module 28; the weight recognition module 26 is used for acquiring weight information of the heated food; the food information judgment module 22 is also used for determining the type of the heating food based on the hyperspectral image; the heating time setting module 27 is used for setting the heating time of the heating food based on the type and weight information of the heating food; the heating power setting module 28 is for setting the heating power for heating the food based on the kind and weight information of the heated food.
The food heating device is provided with a storage module 25, the storage module stores the corresponding heating time and/or heating power under the condition of different weights of various foods, after a user puts the heated foods into the food heating device, the food heating device inquires the storage module according to the food type and the weight information of the heated foods to obtain the corresponding heating time and/or heating power, and then starts a heating program according to the inquiry result.
Or, in practical application, the requirements of the users for the doneness are different, usually the food heating devices are all configured with a selection program for the users to operate, the users can input heating doneness grade information through the control panel after putting the heating food into the food heating device according to their own requirements, for example, selecting seventh-degree, eighth-degree, full-degree and the like, the storage module 25 stores the heating time and/or heating power corresponding to different doneness of different types of food under different weights, after the users put the heating food into the food heating device, the food heating device sets the heating time and/or heating power of the heating food according to the type, weight information and heating doneness grade information of the heating food, and then starts the heating program according to the query result.
The storage module 25 also stores a corresponding relation set of the surface texture and color of the food and the doneness of the food, and after the surface texture and color of the food are obtained through hyperspectral image analysis, the storage module can be inquired to obtain the doneness corresponding to the heated food.
The food heating device further comprises an input module 29 for inputting heating doneness grade information; the heating time setting module 27 is further configured to set a heating time for heating the food based on the type, weight information, and heating doneness level information of the heated food; the heating power setting module 28 is also configured to set the heating power for heating the food based on the type of the food being heated, the weight information, and the heating doneness level information.
The food heating apparatus includes a heating part 30, a heating part temperature determining module 31, and a display module 32; the hyperspectral identification module 21 is further configured to acquire a component hyperspectral image of the heating component 30 after the control module 24 controls to stop heating the heated food; the heating component temperature determining module 31 is used for determining the temperature of the heating component based on the hyperspectral image of the component; the display module 32 is used for displaying the temperature of the heating component, and when the display module is a touch display screen, the display module may be the same as the input module 29.
The food heating device also comprises a heating part temperature judging module 33 and a reminding module 34; the heating component temperature determining module 33 is used for determining whether the temperature of the heating component 30 is lower than a set temperature, and if so, the reminding module 34 is used for sending a reminding message of food heating completion, and the reminding module is, for example, a display module 32, a lamp, a loudspeaker, a buzzer or the like.
In the above-mentioned food heating control method and food heating device that this application provided, obtain the hyperspectral image of heating food through high spectrum identification module such as hyperspectral sensor, information such as the kind that obtains the heating food based on hyperspectral imaging technology analysis, surface texture, surface color and luster, surface temperature, combine these information judgement heating food's maturity, control stop heating when the maturity reaches the set maturity, what realize is that an intelligence food heating control, need not to adopt external or built-in temperature sensor to obtain the temperature of food, also need not to rely on the experience of culinary art person to judge the maturity of food, can realize intelligent adjustment according to food heating device characteristic difference, reach best culinary art effect, the big technical problem of the current food heating maturity control degree of difficulty has been solved.
It should be noted that the hyperspectral identification module, such as a hyperspectral sensor, acquires a hyperspectral image of an object based on a spectral imaging technology, and can determine information such as a surface temperature, a texture, a color and a kind of the object based on any existing analysis mode of the hyperspectral imaging technology, which is not specifically described in the embodiments of the present application.
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.

Claims (6)

1. A method of controlling heating of a food, comprising:
the hyperspectral identification module acquires a hyperspectral image of the heated food;
judging surface texture and color information of the heated food based on the hyperspectral image;
judging whether the doneness of the heated food reaches a set doneness based on the surface texture and color information; if so,
controlling to stop heating the heated food;
wherein the hyperspectral module is placed in a food heating device which heats the heated food;
after controlling the stopping of the heating of the heated food, the method further comprises:
the hyperspectral identification module acquires a hyperspectral image of a component of a heating component in the food heating device;
determining a temperature of the heating component based on the component hyperspectral image;
displaying temperature information of the heating component;
after determining the temperature of the heating component based on the component hyperspectral image, the method further comprises:
judging whether the temperature of the heating component is lower than a set temperature or not, if so,
sending out a reminding message of the completion of food heating.
2. The food heating control method according to claim 1, wherein before determining the surface texture and color information of the heated food based on the hyperspectral image, the method further comprises:
determining a type of the heated food based on the hyperspectral image, an
The weight recognition module acquires weight information of the heated food;
setting a heating time and/or heating power of the heated food based on the kind of the heated food and the weight information.
3. The food heating control method according to claim 2, wherein before setting the heating time and/or heating power of the heated food based on the kind of the heated food and the weight information, the method further comprises:
receiving input heating maturity grade information;
setting the heating time and/or heating power of the heated food based on the type of the heated food and the weight information, specifically:
setting a heating time and/or heating power of the heated food based on the kind of the heated food, the weight information, and the heating doneness level information.
4. The food heating device is characterized by comprising a hyperspectral identification module, a food information judgment module, a doneness judgment module and a control module;
the hyperspectral identification module is arranged in the food heating device and used for acquiring a hyperspectral image of the heated food;
the food information judging module is used for judging the surface texture and color information of the heated food based on the hyperspectral image;
the doneness judging module is used for judging whether the doneness of the heated food reaches a set doneness or not based on the surface texture and color information; if so,
the control module is used for controlling the heating of the heating food to stop;
the food heating device comprises a heating part, a heating part temperature determining module and a display module;
the hyperspectral identification module is further used for acquiring a component hyperspectral image of the heating component after the control module controls the heating of the heated food to be stopped;
the heating component temperature determining module is used for determining the temperature of the heating component based on the component hyperspectral image;
the display module is used for displaying the temperature of the heating component;
the food heating device also comprises a heating part temperature judging module and a reminding module;
the heating part temperature judging module is used for judging whether the temperature of the heating part is lower than a set temperature or not, if so,
and the reminding module is used for sending out reminding information of food heating completion.
5. The food heating apparatus of claim 4, further comprising a weight recognition module and a heating time setting module and/or a heating power setting module;
the weight identification module is used for acquiring weight information of the heated food;
the food information judging module is further used for determining the type of the heated food based on the hyperspectral image;
the heating time setting module is used for setting the heating time of the heating food based on the type of the heating food and the weight information;
the heating power setting module is configured to set heating power for heating food based on the type of the heating food and the weight information.
6. The food heating apparatus of claim 5, further comprising an input module;
the input module is used for inputting heating maturity grade information;
the heating time setting module is further used for setting the heating time of the heated food based on the type of the heated food, the weight information and the heating doneness level information;
the heating power setting module is further configured to set heating power for heating the food based on the type of the heated food, the weight information, and the heating doneness level information.
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