CN111588264B - Control method of steaming and baking equipment with external humidity detection device - Google Patents
Control method of steaming and baking equipment with external humidity detection device Download PDFInfo
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- CN111588264B CN111588264B CN202010314070.XA CN202010314070A CN111588264B CN 111588264 B CN111588264 B CN 111588264B CN 202010314070 A CN202010314070 A CN 202010314070A CN 111588264 B CN111588264 B CN 111588264B
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- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 238000010025 steaming Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010411 cooking Methods 0.000 claims abstract description 31
- 238000009529 body temperature measurement Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 230000005855 radiation Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/14—Cooking-vessels for use in hotels, restaurants, or canteens
- A47J27/16—Cooking-vessels for use in hotels, restaurants, or canteens heated by steam
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0664—Accessories
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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Abstract
The invention discloses a control method of steaming and baking equipment with an external humidity detection device, which comprises the following steps: starting the steaming and baking equipment to enter a preheating stage, and controlling the heaters in the cavity, the heaters outside the cavity and the fan to be started; when the humidity detection device detects that the ambient temperature reaches a first preset temperature, the external heater of the cavity is controlled to be closed; when the temperature of the inner cavity reaches a second preset temperature, ending the preheating stage, entering a cooking stage, and detecting absolute humidity through a humidity detection device; the method can improve the accuracy of detecting the absolute humidity value in the steaming and baking equipment.
Description
Technical Field
The invention relates to the technical field of cooking equipment, in particular to a control method of steaming and baking equipment with an external humidity detection device.
Background
In the related art, an absolute humidity sensor is an electronic device that detects the water vapor content in a single volume in air, and is generally a sensor of a double NTC type or an oxygen detection type. Conditions for correct use of such sensors:
1. placing the sensor in flowing air;
2. and the sensor body is prevented from generating condensed water.
If such a sensor is used to detect the humidity in the steaming device, it is suitable to place the sensor at the outer air outlet of the steaming device. However, absolute humidity is greatly affected by temperature, and the higher the temperature is, the greater the amount of water vapor saturated that can be contained per unit volume of air is, and the lower the temperature is, the smaller the amount of water vapor saturated that can be contained per unit volume of air is. The placement of the sensor at the outer air outlet of the steaming device has the following problems:
1. initial time delay: when the sensor at the outer air outlet detects the humidity value, compared with the humidity value in the steaming and baking equipment, the humidity value is different due to time delay, and the sensor is always in a lower external environment temperature at this stage;
2. temperature rise and time delay: when the exhaust port begins to discharge water vapor, the sensor is still influenced by low external environment temperature, and the sensor can be heated by the water vapor for a period of time.
In the 2 time delay stages, because the ambient temperature is lower than the temperature in the steaming and baking device, although the absolute humidity in the steaming and baking device is very high, the maximum value of the absolute humidity which can be detected by the sensor is lower, so the absolute humidity in the steaming and baking device cannot be correctly reflected by the sensor, and the absolute humidity value can be correctly detected only after the ambient environment of the sensor is heated to the temperature of the water vapor after long time delay.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the related art to some extent, and therefore, the present invention is directed to a method for controlling a steaming and baking apparatus with an external humidity detection device, which can improve the accuracy of detecting the absolute humidity in the steaming and baking apparatus.
The above purpose is realized by the following technical scheme:
the utility model provides a control method of roast equipment evaporates with external humidity detection device, evaporate roast equipment and include inner chamber, intracavity heater, extraventricular heater, fan and have the humidity detection device of temperature detection function, wherein the intracavity heater sets up in the inner chamber the inside, is provided with the gas vent at the intracavity top, and humidity detection device sets up on the gas vent, and extraventricular heater sets up near humidity detection device and inner chamber intercommunication and is used for providing steam for the inner chamber, and the fan sets up in the inner chamber bottom, and control method includes the following step:
starting the steaming and baking equipment to enter a preheating stage, and controlling the heaters in the cavity, the heaters outside the cavity and the fan to be started;
when the humidity detection device detects that the ambient temperature reaches a first preset temperature, the external heater of the cavity is controlled to be closed;
when the temperature of the inner cavity reaches the second preset temperature, the preheating stage is finished, the cooking stage is started, and absolute humidity is detected through the humidity detection device.
In some embodiments, the first predetermined temperature is 95 ℃ to 105 ℃.
In some embodiments, when the temperature of the inner cavity reaches the second preset temperature, the step of ending the preheating phase and entering the cooking phase specifically comprises:
and when the temperature of the inner cavity reaches the second preset temperature and the ambient temperature is lower than the first preset temperature, ending the preheating stage and entering the cooking stage.
In some embodiments, the method further comprises the following steps after entering the cooking stage:
and controlling the heaters in the cavity, the heaters outside the cavity and the fan to be turned on or off according to different cooking modes selected by the steaming and baking equipment.
In some embodiments, the step of controlling the turning on or off of the heaters inside the cavity, the heaters outside the cavity and the fan according to different cooking modes selected by the steaming and baking device is specifically as follows:
when the steaming and baking equipment selects the baking mode, the heater outside the cavity and the fan are controlled to be closed, and the heater inside the cavity is controlled to be opened;
when the steaming and baking equipment selects the steaming mode, the heater and the fan in the cavity are controlled to be closed, and the heater outside the cavity is controlled to be opened.
In some embodiments, the fan is located directly below the exhaust.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the control method of the steaming and baking equipment with the external humidity detection device can improve the accuracy of detecting the absolute humidity value in the steaming and baking equipment, particularly, the ambient environment of the humidity detection device is quickly heated to the target temperature in the preheating stage, the water vapor is prevented from being remained in the inner cavity of the steaming and baking equipment, the condensate water is prevented from being generated on the humidity detection device, and the humidity detection device can be ensured to accurately detect the absolute humidity after the steaming and baking equipment enters the cooking stage.
2. The ambient temperature around the humidity detection device is ensured not to be reduced in the whole cooking stage, the influence of the low temperature of the external environment on the absolute humidity saturation amount detected by the humidity detection device is eliminated, and the whole-cooking humidity detection is realized.
Drawings
FIG. 1 is a schematic front view of a steaming device according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a steaming device according to an embodiment of the present invention;
FIG. 3 is a flow chart illustrating a control method according to an embodiment of the present invention;
FIG. 4 is a graph of saturated moisture content in air at various temperatures;
FIG. 5 is a schematic flow chart of a baking mode of the steaming and baking apparatus according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of steaming mode of the steaming and baking apparatus according to the embodiment of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
The first embodiment is as follows: as shown in fig. 1, fig. 2 and fig. 3, this embodiment provides a control method of a steaming and baking apparatus with an external humidity detection device, the steaming and baking apparatus includes an inner cavity 1, an inner cavity heater 2, an outer cavity heater 3, a fan 4 and a humidity detection device 5 with a temperature detection function, wherein the inner cavity heater 3 is disposed inside the inner cavity 1, an exhaust port 10 is disposed at the top of the inner cavity 1, the exhaust port 10 is an outlet for discharging water vapor outside the inner cavity 1, the humidity detection device 5 is disposed on the exhaust port 10, the outer cavity heater 3 is disposed near the humidity detection device 5 and is communicated with the inner cavity 1 for providing steam to the inner cavity 1, in this embodiment, the outer cavity heater 3 is a module for heating water to boiling water vapor, in addition, the distance between the outer cavity heater 3 and the humidity detection device 5 should be designed to be relatively tight, in order to enable heat radiation to be transmitted to the surrounding environment of the humidity detection device 5 while the outer cavity heater 3 is heating, fan 4 sets up in inner chamber 1 bottom, and is preferred, and fan 4 adopts axial fan and is located gas vent 10 under to this does benefit to and blows to gas vent 10 and discharge outward through gas vent 10 through fan 4 with the steam in the inner chamber 1, and control method includes following step:
starting the steaming and baking equipment to enter a preheating stage, controlling the opening of the in-cavity heater 2, the out-cavity heater 3 and the fan 4, specifically, starting the preheating stage to quickly heat the humidity detection device 5, and simultaneously opening the in-cavity heater 2, the out-cavity heater 3 and the fan 4 to generate electric heating radiation, wherein the electric heating radiation comprises short-distance heat radiation of the out-cavity heater 3 to the exhaust port 10 and heat radiation of the in-cavity heater 2, and is directly blown to an exhaust pipeline together with high-temperature steam through the axial flow fan 4 to play a role in quickly raising the temperature of the exhaust port 10;
when the humidity detection device 5 detects that the ambient temperature reaches a first preset temperature, the external cavity heater 3 is controlled to be turned off, specifically, the first preset temperature is 95-105 ℃, preferably, the first preset temperature is the water vapor temperature, which is about 100 ℃, the humidity detection device 5 located at the exhaust port 10 has a temperature detection function, and when the ambient temperature around the humidity detection device 5 reaches the water vapor temperature (about 100 ℃), the external cavity heater 3 is turned off to stop generating steam, and the humidity detection device 5 is dried. At the moment, the heater 2 and the fan 4 in the cavity still work in a working state, so that the hot air drying effect is realized on the exhaust port 10, and meanwhile, the residual water vapor in the cavity 1 is exhausted out of the cavity 1;
when the temperature of the inner cavity reaches the second preset temperature, the preheating stage is finished, the cooking stage is started, and absolute humidity is detected through the humidity detection device 5.
The control method of the steaming and baking equipment with the external humidity detection device of the embodiment can improve the accuracy of detecting the absolute humidity value in the steaming and baking equipment, specifically, the ambient environment around the humidity detection device 5 is rapidly heated to the target temperature in the preheating stage, the residual water vapor in the inner cavity 1 of the steaming and baking equipment is avoided, the condensate water is avoided being generated on the humidity detection device 5, and the humidity detection device 5 can correctly detect the absolute humidity after the steaming and baking equipment enters the cooking stage.
The existing steaming and baking equipment only depends on the temperature rise of the heater in the cavity in the preheating stage and cannot generate steam, the reason is that a user puts food materials after preheating is finished, and the user is not allowed to be injured by high-temperature steam when the door is opened. In the control method, high-temperature water vapor and the in-cavity heater 2 are used for simultaneously and rapidly heating the surrounding environment of the humidity detection device 5 in the preheating stage, and after the target temperature is reached, high-temperature hot air is used for drying the in-cavity 1 and the exhaust port 10, so that water vapor residue in the in-cavity 1 is prevented, and condensate water is also prevented from being generated on the humidity detection device 5.
In this embodiment, when the temperature of the inner cavity reaches the second preset temperature, the step of ending the preheating stage and entering the cooking stage specifically includes:
when the temperature of the inner cavity reaches a second preset temperature and the environmental temperature is lower than the first preset temperature, ending the preheating stage and entering a cooking stage; specifically, the judgment condition of the end of the preheating stage is that the temperature of the inner cavity reaches the temperature required for starting cooking, namely the preset temperature of a user, when the preheating stage is ended, the humidity detection device 5 is dried by hot air, the temperature of the surrounding environment reaches the humidity detection requirement which is slightly lower than 100 ℃, and the absolute humidity detection can be carried out when the cooking stage is started.
As shown in fig. 4, fig. 4 shows the saturated moisture content law in air at different temperatures: the higher the temperature, the greater the amount of water vapor saturation that can be contained per unit volume of air, and the lower the temperature, the less the amount of water vapor saturation that can be contained per unit volume of air.
Further, the method also comprises the following steps after entering the cooking stage:
according to different cooking modes selected by the steaming and baking equipment, the heater 2 in the cavity, the heater 3 outside the cavity and the fan 4 are controlled to be turned on or turned off. Its reasonable in design, ingenious can make the whole ambient temperature who ensures around the humidity detection device of culinary art stage from this not descend, eliminates because the influence that external environment low temperature detected absolute humidity saturation to humidity detection device, realizes the whole humidity detection of culinary art. Furthermore, the steaming and baking equipment has control time sequences of loads in the steaming mode and the baking mode, the steaming and baking equipment and the loads adopt the same preheating stage for control, the preheating stage starts to heat the surrounding environment of the humidity detection device to a target temperature at first, and the humidity detection device can correctly detect absolute humidity after entering the cooking stage.
Following further, according to the different cooking modes selected by the steaming and baking device, the step of controlling the opening or closing of the inner cavity heater 2, the outer cavity heater 3 and the fan 4 is specifically as follows:
when the steaming and baking equipment selects the baking mode, the heater 3 outside the cavity and the fan 4 are controlled to be closed, and the heater 2 in the cavity is controlled to be opened; specifically, in the cooking stage of the bake mode, as shown in fig. 5, the external cavity heater 3 and the fan 4 are turned off, only the internal cavity heater 2 is turned on, at this time, the heat source of the environment around the humidity detection device 5 is the heat discharged by the internal cavity heater 2, and the temperature of the environment around the humidity detection device 5 is maintained to be lower than that in the steam mode by the heat source, that is, the saturated amount of water vapor that can be contained in the unit volume of air is smaller than that in the steam mode, but, because the absolute humidity value detected in the bake mode should be smaller theoretically, the temperature around the humidity detection device 5 is slightly lower than 60 ℃ at this time, which is enough to make the measurement range larger than the detection value, so as to ensure the accuracy of humidity detection, and at the same time, no extra electric heating device is needed to work to reduce energy consumption;
when the steaming and baking equipment selects a steaming mode, the heater 2 and the fan 4 in the cavity are controlled to be closed, and the heater 3 outside the cavity is controlled to be opened; specifically, in the cooking stage of the steaming mode, as shown in fig. 6, the intra-cavity heater 2 and the fan 4 are turned off, and only the extra-cavity heater 3 is turned on, and at this time, the heat source of the environment around the humidity detection device 5 is the short-distance heat radiation of the extra-cavity heater 3 and the high-temperature steam of the exhaust port 10. Because the absolute humidity value that detects under the mode of evaporating should be great in theory, 2 above-mentioned heat sources can play the effect of maintaining humidity detection device 5 surrounding environment at higher temperature for the water vapor saturation that unit volume air can hold is great, and the measuring range is greater than the detected value promptly, ensures humidity and detects the accuracy.
The control method of the steaming and baking device with the external humidity detection device of the embodiment at least has the following advantages:
1. reducing the initial time delay, namely shortening the time from the start of the steaming and baking equipment to the start of discharging the water vapor from the air outlet;
2. the time delay of temperature rise is shortened, namely the time from the beginning of the cooking stage to the temperature rise of the humidity detection device to the target high temperature is shortened, the steaming and baking equipment is divided into a preheating stage and a cooking stage, the surrounding environment of the humidity detection device is heated to the target temperature in the preheating stage, and the humidity detection device can correctly detect the absolute humidity after entering the cooking stage.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a control method of roast equipment evaporates with external humidity detection device, a serial communication port, roast equipment evaporates includes inner chamber (1), intracavity heater (2), extraventricular heater (3), fan (4) and humidity detection device (5) that have the temperature measurement function, wherein intracavity heater (2) set up in inner chamber (1) the inside, be provided with gas vent (10) at inner chamber (1) top, humidity detection device (5) set up on gas vent (10), extraventricular heater (3) set up near humidity detection device (5) and inner chamber (1) intercommunication are used for providing steam for inner chamber (1), fan (4) set up in inner chamber (1) bottom, control method includes the following step:
starting the steaming and baking equipment to enter a preheating stage, and controlling the opening of the heater (2) in the cavity, the heater (3) outside the cavity and the fan (4);
when the humidity detection device (5) detects that the ambient temperature reaches a first preset temperature, the external cavity heater (3) is controlled to be closed;
when the temperature of the inner cavity reaches a second preset temperature, ending the preheating stage, entering a cooking stage, and detecting the absolute humidity through a humidity detection device (5);
the method also comprises the following steps after entering the cooking stage:
according to different cooking modes selected by the steaming and baking equipment, the heaters (2) in the cavity, the heaters (3) outside the cavity and the fan (4) are controlled to be turned on or turned off, and the steps are as follows:
when the steaming and baking equipment selects the baking mode, the heater (3) outside the cavity and the fan (4) are controlled to be closed, and the heater (2) in the cavity is controlled to be opened;
when the steaming and baking equipment selects the steaming mode, the heater (2) and the fan (4) in the cavity are controlled to be closed, and the heater (3) outside the cavity is controlled to be opened.
2. The method as claimed in claim 1, wherein the first predetermined temperature is 95-105 ℃.
3. The method for controlling steaming and baking equipment with an external humidity detection device according to claim 1, wherein when the temperature of the inner cavity reaches a second preset temperature, the step of ending the preheating stage and entering the cooking stage specifically comprises the following steps:
and when the temperature of the inner cavity reaches the second preset temperature and the ambient temperature is lower than the first preset temperature, ending the preheating stage and entering the cooking stage.
4. The control method of the steaming and baking device with the external humidity detection device as claimed in claim 1, 2 or 3, wherein the fan (4) is located right below the exhaust port (10).
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| CN112346379B (en) * | 2020-10-22 | 2021-10-12 | 华帝股份有限公司 | Humidity control abnormity detection method of cooking equipment |
| CN114568962B (en) * | 2022-03-25 | 2024-04-16 | 芜湖美的智能厨电制造有限公司 | Steaming and baking equipment and cooking control method and device thereof |
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