WO2020238240A1 - 烹饪器具、用于烹饪器具的烹饪附件以及控制方法 - Google Patents

烹饪器具、用于烹饪器具的烹饪附件以及控制方法 Download PDF

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Publication number
WO2020238240A1
WO2020238240A1 PCT/CN2020/071163 CN2020071163W WO2020238240A1 WO 2020238240 A1 WO2020238240 A1 WO 2020238240A1 CN 2020071163 W CN2020071163 W CN 2020071163W WO 2020238240 A1 WO2020238240 A1 WO 2020238240A1
Authority
WO
WIPO (PCT)
Prior art keywords
medium
cooking appliance
cooking
medium replacement
replacement part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/071163
Other languages
English (en)
French (fr)
Inventor
黄韦铭
刘化勇
邢胜华
邝坚
羊小亮
罗飞龙
瞿月红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Original Assignee
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201920829157.3U external-priority patent/CN210446646U/zh
Priority claimed from CN201920830814.6U external-priority patent/CN210446664U/zh
Priority claimed from CN201910473447.3A external-priority patent/CN112006522B/zh
Priority claimed from CN201920836583.XU external-priority patent/CN211534051U/zh
Priority claimed from CN201920830812.7U external-priority patent/CN211380742U/zh
Application filed by Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority to JP2021570443A priority Critical patent/JP7353391B2/ja
Publication of WO2020238240A1 publication Critical patent/WO2020238240A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • 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
    • A47J36/16—Inserts
    • A47J36/20—Perforated bases or perforated containers to be placed inside a cooking utensil ; Draining baskets, inserts with separation wall

Definitions

  • This application relates to the field of household appliances, and in particular to a cooking appliance, a cooking accessory for the cooking appliance, and a control method.
  • Lek rice also called Zengzi rice
  • the key steps are: first put the cleaned rice into the water to boil, after a suitable time, remove the soup and filter, put the filtered rice on the steamer and steam it, then put the rice in the soup Stay and drink.
  • the existing rice cooker can already achieve the function of draining rice. After the rice is put into the rice cooker, the rice is first soaked in water, and the water is boiled for a period of time before the rice water is separated. However, because the rice is soaked in water for a long time, the rice will fully absorb the sugar in the rice soup, which will make the rice cooked by the rice cooker not conducive to the consumption of diabetic patients, and will also cause the high sugar content of the rice to be consumed by the user. After rice, it is easy to get fat.
  • This application aims to solve one of the technical problems in the related technology at least to a certain extent. For this reason, the present application proposes a cooking appliance which improves the separation mechanism of food and water.
  • the application further proposes a cooking accessory for cooking appliances.
  • the application further proposes a cooking accessory for cooking appliances.
  • This application further proposes a cooking appliance.
  • This application further proposes a control method.
  • the cooking appliance according to the present application includes a body part, a holding part and a medium replacement part.
  • the body part has a cooking cavity; the containing part is arranged in the cooking cavity; the medium replacement part is arranged in the cooking cavity, and the medium replacement part is arranged to replace the medium with a first medium.
  • the second medium in the replacement part is replaced so that the replaced second medium can be discharged from the medium replacement part, and the medium replacement part is also configured to use the second medium outside the medium replacement part to enter Into the medium replacement part to occupy at least a part of the space occupied by the first medium, wherein the containing part can communicate with the cooking cavity to make the liquid level in the containing part variable.
  • the separation mechanism between the food and the water is improved, the medium replacement part is used to realize the replacement of the medium, so that the liquid level in the cooking cavity is adjustable, and the separation of the food and the water becomes controllable.
  • the cooking accessory for the cooking appliance includes: a holding part and a medium replacement part, the holding part and the medium replacement part are both arranged in the cooking cavity of the cooking appliance, and the medium replacement part is connected In the containing portion, the medium replacement portion is configured to be adapted to replace the second medium located in the medium replacement portion with a first medium, so that the replaced second medium can be discharged from the medium replacement portion to Change the liquid level in the container.
  • the separation mechanism of food and water is improved, the medium replacement part is used to realize the replacement of the medium, so that the liquid level in the cooking cavity is adjustable, and the separation of food and water becomes controllable.
  • the cooking accessory for cooking appliances includes: a storage basket, the storage basket has a storage basket peripheral wall and a storage basket bottom wall, the storage basket peripheral wall is provided with a peripheral wall through hole; gas-liquid replacement The gas-liquid replacement portion is arranged on the lower surface of the bottom wall of the holding basket, and the lower end of the gas-liquid replacement portion is open to allow water vapor to enter and allow the liquid in the gas-liquid replacement portion to discharge.
  • the water level in the cooking appliance will rise, boiling water will flow into the holding basket, and the water in the holding basket will The rice is washed.
  • the water can take away the sugar in the rice, which can make the rice prepared by the cooking utensils beneficial to the diabetics.
  • the cooking utensils are draining the rice, the water will continue to wash the rice and make the rice The sugar is washed away, so that the user will not get fat easily after eating rice.
  • the cooking appliance according to the present application includes the above-mentioned cooking accessory.
  • the cooking accessory is provided on the cooking appliance, which improves the separation mechanism of food materials and water, and the separation of food materials and water becomes controllable.
  • the control method of the cooking appliance according to the present application includes the following steps: in the cooking process of the cooking appliance, judging the current cooking stage of the cooking appliance, wherein the cooking stage of the cooking appliance includes a boiling stage; When the cooking appliance is in the boiling stage, the heating part of the cooking appliance is controlled to change the liquid level in the cooking cavity between a first liquid level and a second liquid level.
  • the cooking appliance controls the heating part of the cooking appliance so that the heating part heats the water in the cooking appliance, so that the water boils and generates a large number of bubbles.
  • Stored in the medium replacement part to increase the pressure in the medium replacement part.
  • the water in the medium replacement part is discharged into the cooking cavity.
  • the cooking appliance Stop heating in time the water vapor in the medium replacement part will quickly dissolve, and then the water in the cooking cavity will flow back to the medium replacement part, so that the water level in the holding part will drop rapidly, so that the liquid level in the cooking cavity can be in the first liquid. Level and the second level.
  • Figure 1 is a cross-sectional view of a cooking appliance according to an embodiment of the present application.
  • Fig. 2 is a schematic diagram of a cooking appliance according to an embodiment of the present application when rice is placed;
  • Figure 3 is a schematic diagram of the cooking appliance before boiling according to an embodiment of the application.
  • FIG. 4 is a schematic diagram of the cooking appliance according to an embodiment of the present application when water is boiling;
  • FIG. 5 is a schematic diagram of the cooking appliance according to an embodiment of the present application when steaming rice
  • Fig. 6 is a schematic diagram of a holding part and a medium replacement part of a cooking appliance according to an embodiment of the present application
  • Fig. 7 is a schematic diagram of another embodiment of a holding part and a medium replacement part of a cooking appliance according to an embodiment of the present application;
  • Figure 8 is a cross-sectional view of the holding part and the medium replacement part in Figure 7;
  • Fig. 9 is a schematic diagram of another embodiment of a holding part and a medium replacement part of a cooking appliance according to an embodiment of the present application.
  • FIG. 10 is another perspective view of the holding part and the medium replacement part in FIG. 9;
  • Figure 11 is a cross-sectional view of the holding part and the medium replacement part in Figure 9;
  • Fig. 12 is a schematic diagram of another embodiment of a holding part and a medium replacement part of a cooking appliance according to an embodiment of the present application;
  • Figure 13 is a cross-sectional view of the holding part and the medium replacement part in Figure 12;
  • Fig. 14 is a schematic diagram of another embodiment of a holding part and a medium replacement part of a cooking appliance according to an embodiment of the present application;
  • Figure 15 is a cross-sectional view of the holding part and the medium replacement part in Figure 14;
  • Fig. 16 is a schematic diagram of another embodiment of a holding part and a medium replacement part of a cooking appliance according to an embodiment of the present application;
  • Fig. 17 is another perspective view of the holding part and the medium replacement part in Fig. 16;
  • Figure 18 is a cross-sectional view of the holding part and the medium replacement part in Figure 16;
  • Figure 19 is an exploded view of the holding part and the medium replacement part in Figure 16;
  • 20 is a schematic diagram of the medium replacement part of the cooking appliance according to the embodiment of the present application configured as a medium replacement plate;
  • Fig. 21 is a schematic diagram of an embodiment of a holding part of a cooking appliance according to an embodiment of the present application.
  • Fig. 22 is a flowchart of a control method of a cooking appliance according to an embodiment of the present application.
  • Figure 23 is a schematic structural view of a cooking appliance according to some embodiments of the present application, wherein there is no liquid in the containing cavity;
  • Figure 24 is a schematic structural diagram of a cooking appliance according to some embodiments of the present application, in which liquid enters the cavity;
  • Figure 25 is a schematic structural diagram of a cooking appliance according to some embodiments of the present application, wherein the upper cover is opened;
  • Fig. 26 is a schematic structural diagram of a holding assembly of a cooking appliance according to some optional embodiments of the present application.
  • FIG. 27 is a schematic diagram of an exploded structure of a holding component of a cooking appliance according to some optional embodiments of the present application.
  • FIG. 28 is a schematic diagram of an exploded structure of a holding assembly of a cooking appliance according to other optional embodiments of the present application.
  • FIG. 29 is a schematic structural diagram of a medium replacement part of a cooking appliance according to other optional embodiments of the present application, wherein the medium replacement part is cut away;
  • FIG. 30 is a schematic structural diagram of a holding assembly of a cooking appliance according to still some alternative embodiments of the present application.
  • FIG. 31 is a schematic diagram of an exploded structure of a holding assembly of a cooking appliance according to still some alternative embodiments of the present application.
  • Figure 32 is a schematic structural diagram of a cooking appliance according to some embodiments of the present application.
  • FIG. 33 is a schematic structural diagram of cooking appliances according to other embodiments of the present application, in which no liquid enters the containing portion;
  • Figure 34 is a schematic structural diagram of cooking appliances according to other embodiments of the present application, in which liquid enters the containing portion;
  • 35 is a schematic structural diagram of a cooking appliance according to some embodiments of the present application, in which water is not boiling;
  • Figure 36 is a schematic structural diagram of a cooking appliance according to some embodiments of the present application, in which water has just begun to boil;
  • Figure 37 is a schematic structural diagram of a cooking appliance according to some embodiments of the present application, in which water has boiled for a period of time;
  • FIG. 38 is a schematic structural diagram of cooking appliances according to other embodiments of the present application, in which water is not boiling;
  • Fig. 39 is a schematic structural diagram of cooking appliances according to other embodiments of the present application, in which water has boiled for a period of time.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present application, "a plurality of” means at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction of two components.
  • installed can be a fixed connection or a detachable connection , Or integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction of two components.
  • the "on” or “under” of the first feature of the second feature may include the first and second features in direct contact, or may include the first and second features Not in direct contact but through other features between them.
  • “above”, “above” and “above” the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or it simply means that the level of the first feature is higher than the second feature.
  • the “below”, “below” and “below” the first feature of the second feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
  • the cooking appliance 10 of the embodiment of the present application will be described below with reference to FIGS. 1 to 22.
  • the cooking appliance 10 may be an electric rice cooker, an electric pressure cooker, an electric stew pot, an induction cooker or a health pot.
  • the present application takes the cooking appliance 10 as an electric rice cooker as an example. , But this is not a limitation of the scope of protection of this application. After reading the specification of this application, a person of ordinary skill in the art can obviously apply the cooking appliance 10 of this application to electric pressure cookers, electric cookers, induction cookers, or health pots, etc., after knowing the technical concept of this application.
  • the cooking appliance 10 may include a body part 1, a holding part 2 and a medium replacement part 3, and the holding part 2 is used for holding food materials, such as rice.
  • the body portion 1 has a cooking cavity 11 inside.
  • the cooking cavity 11 may be a cavity defined by the pot portion 12 and the upper cover portion 13 of the body portion 1.
  • the container 2 is arranged in the cooking cavity 11.
  • the medium replacement part 3 is provided in the cooking cavity 11, and the medium replacement part 3 is used to realize the replacement of the first medium 39 and the second medium 31, so as to change the liquid level in the cooking cavity 11.
  • the medium replacement part 3 is configured to use the first medium 39 (as shown in FIG. 4) to replace the liquid second medium 31 (as shown in FIG. 4) in the medium replacement part 3, so that the replaced second medium 31 can discharge the medium.
  • the replacement part 3 allows the second medium 31 to flow into the cooking cavity 11 so that the liquid level in the cooking cavity 11 can be changed.
  • the first medium 39 may come from outside the medium replacement part 3, and replace the second medium 31 by entering the medium replacement part 3; or, the first medium 39 may come from inside the medium replacement part 3, for example,
  • the liquid such as water in the heating medium replacement part 3 forms a gaseous first medium 39 inside.
  • the first medium 39 can drain the liquid water out of the medium replacement part 3 from the inside; of course, the source of the first medium 39 can also be used The combination of the above two possible ways, but not limited to this.
  • the medium replacement part 3 is also configured to use the second medium 31 outside the medium replacement part 3 and in a liquid state to enter the medium replacement part 3 to occupy at least a part of the space occupied by the first medium 39, thereby making cooking
  • the liquid level in the cavity 11 drops.
  • the liquid will wash away the rice and reduce the sugar in the rice.
  • the liquid second medium 31 can enter the medium replacement part 3 to occupy at least a part of the space previously occupied by the first medium 39.
  • the medium replacement part 3 When the cooking appliance 10 stops heating or the heating power decreases, the medium replacement part 3
  • the first medium 39 such as water vapor is liquefied, and the liquid second medium 31 such as water outside the medium replacement part 3 will enter the medium replacement part 3 to replace the space previously occupied by the first medium 39.
  • the containing portion 2 can communicate with the cooking cavity 11, and after the second medium 31 flows into the cooking cavity 11, the liquid level in the containing portion 2 can be changed.
  • the first medium 39 may be water vapor
  • the second medium 31 may be water, but the application is not limited thereto.
  • the working process of the cooking appliance 10 mainly includes a boiling stage and a rice steaming stage.
  • the electric rice cooker is mainly heated periodically.
  • a period T is set in the control program of the rice cooker, and T satisfies the relationship: 32 seconds ⁇ T ⁇ 4 Second, the periodic power adjustment ratio is a, a satisfies the relational formula: 1 ⁇ a ⁇ 1/8, the total duration of the boiling phase is t1, t1 satisfies the relational formula: 15 minutes ⁇ t1 ⁇ 3 minutes
  • the rice cooker enters the rice steaming stage.
  • the rice water is separated, and the control program keeps the temperature of the rice soup at b, b satisfies the relationship 110 degrees ⁇ b ⁇ 80 degrees, and the total duration of the entire steaming stage t2, t2 meets the relationship Formula: 30 minutes ⁇ t2 ⁇ 3 minutes.
  • the specific working process of the rice cooker is as follows: during the cooking process of the rice cooker, first pour an appropriate amount of clean water into the cooking cavity 11, and then put the holding part 2 and the medium replacement part 3 into the cooking cavity 11 to make the cooking cavity 11
  • the water level is roughly below the medium replacement part 3 (of course, it can be appropriately higher than the medium replacement part 3 or lower than the medium replacement part 3), and then put the washed rice into the holding part 2.
  • the rice and the water can be completely separated, the water can submerge a part of the rice, or the water can submerge the whole rice.
  • the rice water at this time can be separated, that is, the rice is above, the water is below, and the rice is not soaked in water.
  • the rice cooker starts to heat the cooking cavity 11.
  • the water in the cooking cavity 11 boils, the water in the cooking cavity 11 will produce a large number of bubbles, some of which will be stored in the medium replacement part 3 to make the medium
  • the pressure in the replacement part 3 increases.
  • the water in the medium replacement part 3 is discharged into the cooking cavity 11, so that the water level in the cooking cavity 11 rises, because the containing part 2 communicates with the cooking cavity 11 .
  • the water in the medium replacement part 3 flows into the cooking cavity 11, the water in the cooking cavity 11 will flow into the holding part 2.
  • the water level in the entire holding part 2 will rise, and the rice will not pass, as shown in Figure 4. Show, to achieve a cooking of rice.
  • the rice cooker When the water level in the holding part 2 reaches a certain height, the rice cooker will stop heating in time after being sensed by the time sensor or signal sensor or by other known means, and the water vapor in the medium replacement part 3 will be rapidly cooled and liquefied. Then the water in the cooking cavity 11 will flow back to the medium replacement part 3, causing the water level in the holding part 2 to drop rapidly.
  • the rice cooker can also intermittently separate the rice and water during the cooking process of the rice cooker.
  • the rice cooker controls the heating equivalent power and other control programs, The rice cooker repeatedly heats the cooking cavity 11 and stops.
  • the rice cooker heats the cooking cavity 11 repeatedly, the water in the holding part 2 will rise and fall repeatedly, and the water washes the rice during the repeated rise and fall. Then the water gradually turns into rice soup. After the boiling phase is over, the rice cooker enters the rice steaming phase. In the rice steaming phase, the rice water is separated, and the control program keeps the temperature of the rice soup above 80 degrees to make the rice steamed or braised.
  • the rice cooker repeatedly washes the rice with water during the boiling stage, which can further reduce the sugar content in the rice. After the user eats the rice, the user will not get fat easily, and at the same time, the rice can be heated evenly and the rice can fully absorb water. , which can prevent the rice from being trapped and improve the taste of the rice.
  • the original water level will be lowered due to the previous evaporation of the water in the rice cooker and the absorption of water by the rice.
  • the final water level in the cooking cavity 11 The distance to the bottom rice is greater than or equal to 4mm.
  • a gas filling device can be used to inflate the medium replacement part 3 to increase the pressure in the medium replacement part 3, thereby increasing the liquid level in the cooking cavity 11.
  • a gas charging and discharging device can be used to draw air from the medium replacement part 3 to reduce the pressure in the medium replacement part 3, thereby achieving the effect of lowering the liquid level.
  • the gas filling and discharging device is used to inflate the medium replacement part 3 or extract the gas in the medium replacement part 3 to realize the function of raising and lowering the liquid level in the cooking cavity 11.
  • the medium replacement part 3 can be inflated by an external aeration mechanism to realize the change of the liquid level in the containing part 2, and the medium replacement part 3
  • the volume can change with the amount of inflation.
  • the volume of the medium replacement part 3 can be smaller, reducing the occupation of the cooking cavity 11, and the volume can be increased during inflation, so as to increase the amount of contained gas and further increase the replacement of liquid
  • the amount of the liquid level in the containing portion 2 rises more obviously, which is beneficial to improve the cooking effect.
  • the separation mechanism of food and water is improved.
  • the medium replacement part 3 is used to realize the replacement of the medium, so that the liquid level in the cooking cavity 11 can be adjusted.
  • the separation from water becomes controllable.
  • the medium replacement part 3 may be configured as a gas-liquid replacement part 3, and the gas-liquid replacement part 3 may be configured to replace the liquid second medium 31 with a gaseous first medium 39.
  • the rice cooker will When the water in the cooking cavity 11 is heated to boiling, the water vapor in the gas-liquid replacement part 33 will gradually increase, and then the pressure in the gas-liquid replacement part 33 will gradually increase, and the water in the gas-liquid replacement part 33 will be pressed into The cooking cavity 11 can thereby achieve the working purpose of increasing the water level in the cooking cavity 11, and further, the working purpose of increasing the water level of the container 2 can be achieved.
  • the gas-liquid replacement part 33 may include: a first medium inlet 32 and a second medium outlet 33.
  • the first medium inlet 32 allows The first medium 39 enters the gas-liquid replacement part 33, and the second medium outlet 33 allows the second medium 31 to be discharged from the gas-liquid replacement part 33.
  • the electric rice cooker heats the water in the cooking cavity 11 to boiling, the water vapor will enter the gas-liquid replacement part 33 through the first medium inlet 32, and then the pressure in the gas-liquid replacement part 33 will gradually increase, which can reduce The water in the gas-liquid replacement part 33 is pressed into the cooking cavity 11 from the second medium outlet 33, so that the working purpose of replacing the second medium 31 in the gas-liquid replacement part 3 with the first medium 39 can be achieved.
  • the first medium inlet 32 and the second medium outlet 33 may be set to the same opening, and the first medium inlet 32 and the second medium outlet 33 are formed at the bottom of the gas-liquid replacement part 33, so that
  • the structure of the gas-liquid replacement part 33 can be simplified, the processing time of the gas-liquid replacement part 33 can be saved, the production efficiency of the gas-liquid replacement part 33 can be improved, and the number of processing openings can also be omitted, which can save a lot of manpower, thereby The manufacturing cost of the gas-liquid replacement part 33 can be reduced.
  • water vapor is easier to enter and water is easier to discharge.
  • the medium replacement part 3 is connected to the containing part 2.
  • This arrangement enables the medium replacement part 3 and the containing part 2 to form an integral structure, and the medium replacement part 3 and The containing part 2 is put into and taken out of the cooking cavity 11 together, so that the cleaning of the medium replacement part 3 can be facilitated, and user satisfaction can be improved.
  • the medium replacement part 3 is at least partially arranged below the containing part 2, that is to say, a part of the structure of the medium replacement part 3 can be arranged below the containing part 2, or The entire structure of the medium replacement part 3 is arranged below the holding part 2, in the vertical direction, this arrangement can reduce the overall projected area of the medium replacement part 3 and the holding part 2, when the size of the cooking cavity 11 is constant Bottom, it is convenient to put the medium replacement part 3 and the holding part 2 into the cooking cavity 11. Moreover, by adjusting the height of the medium replacement part 3 and the holding part 2, it can be better adapted to all types of cooking appliances and meet the requirements of different cooking appliances such as rice cookers, electric pressure cookers, and induction cookers.
  • the medium replacement portion 3 may include: a peripheral wall 34 of the medium replacement portion.
  • the top of the peripheral wall 34 of the medium replacement portion is attached to the bottom surface of the containing portion 2 to form a certain seal and prevent The escape of water vapor can also be understood as that the top of the peripheral wall 34 of the medium replacement part is connected with the bottom surface of the containing part 2, so that the bottom surface of the containing part 2 can close the top of the medium replacement part 3, and the water vapor enters from the first medium.
  • the water vapor can be prevented from flowing out of the medium replacement part 3 from the top end of the medium replacement part 3, thereby ensuring that the water vapor can be stored in the medium replacement part 3, thereby ensuring that the water in the medium replacement part 3 Press into the cooking cavity 11.
  • the top of the peripheral wall 34 of the medium replacement portion is provided with an annular flange 35, the annular flange 35 is attached to the bottom surface of the container 2, and the annular flange 35 is connected to the container.
  • the bottom surface of the part 2 is detachably connected.
  • the annular flange 35 is assembled with the bottom surface of the holding part 2, and the contact area between the annular flange 35 and the holding part 2 is larger than that of the peripheral wall 34 of the medium replacement part and
  • the contact area of the holding part 2 can be increased by setting the annular flange 35 to increase the installation area of the medium replacement part 3 and the holding part 2, and the medium replacement part 3 and the holding part 2 can be better assembled together.
  • the overall structural strength of the medium replacement part 3 and the containing part 2 can be improved.
  • the sealability of the connection between the medium replacement part 3 and the containing part 2 can be ensured, and water vapor can be further prevented from flowing out of the medium replacement part 3 from the tip of the medium replacement part 3.
  • the water will form a large amount of water vapor during the boiling process, and the water vapor has buoyancy.
  • This arrangement can prevent the medium replacement part 3 from shaking, thereby reducing the noise during the operation of the rice cooker.
  • the peripheral wall 34 of the medium replacement part and the containing part 2 are fused into one body.
  • This arrangement can set the medium replacement part 3 and the containing part 2 as an integral part, which can lift the medium replacement part 3 and the containing part 2
  • the overall structural strength and rigidity of the holding part 2 can prevent the medium replacement part 3 from being separated from the holding part 2 and thereby ensure the working reliability of the cooking appliance 10.
  • the peripheral wall 34 of the medium replacement portion and the containing portion 2 are an integral part of injection molding.
  • the peripheral wall 34 of the medium replacement part and the containing part 2 can also be connected by clamping, welding or riveting. This arrangement can reliably assemble the medium replacement part 3 and the containing part 2, which can further avoid media
  • the replacement part 3 is separated from the containing part 2, and can also facilitate the assembly of the medium replacement part 3 and the containing part 2, so that the assembly efficiency of the medium replacement part 3 and the containing part 2 can be further improved.
  • the medium replacement part 3 may include a peripheral wall 34 of the medium replacement part
  • the holding part 2 may include a peripheral wall 21 of the holding part.
  • the lower end of the peripheral wall 21 extends downwards.
  • the peripheral wall 34 of the medium replacement portion and the peripheral wall 21 of the containing portion are both configured in a circular ring shape, and the diameters of the peripheral wall 34 of the medium replacement portion and the peripheral wall 21 of the containing portion Equal, this arrangement can make the cross-sectional area of the medium replacement part 3 equal to the cross-sectional area of the holding part 2, which can further improve the structural consistency of the medium replacement part 3 and the holding part 2, and also improve the capacity of the medium replacement part 3 The volume of displacement.
  • the diameter of the peripheral wall 34 of the medium replacement part is gradually changed, and the small diameter end of the peripheral wall 34 of the medium replacement part (the upper end of FIG. 15) is connected to the peripheral wall 21 of the container.
  • the large-diameter end of the peripheral wall 34 of the medium replacement portion (the lower end in FIG. 15) is a free end, and the large-diameter end of the peripheral wall 34 of the medium replacement portion extends in a direction away from the containing portion 2. Among them, as shown in FIG.
  • the small diameter end of the peripheral wall 34 of the medium replacement part is the upper end of the medium replacement part 3, and the large diameter end of the peripheral wall 34 of the medium replacement part is the lower end of the medium replacement part 3.
  • This arrangement can avoid the peripheral wall 34 of the medium replacement part.
  • the bottom of the containing portion 2 is formed with a containing portion recess 22, and the containing portion recess 22 can be configured as a medium replacement portion 3.
  • This arrangement enables the medium
  • the replacement part 3 and the containing part 2 are integrally formed, which can avoid the separate production of the medium replacement part 3, thereby reducing the development of production molds, and further reducing the production cost of the cooking appliance 10.
  • the containing portion 2 may include a bottom wall 23 of the containing portion and a peripheral wall 21 of the containing portion. At least a part of the bottom wall 23 of the containing portion bulges upward to form the containing portion.
  • the recess 22 can be arranged in this way so that the recess 22 of the holding part can be arranged on the bottom wall 23 of the holding part. After the holding part 2 is placed in the cooking cavity 11, it can be ensured that water is stored in the recess 22 of the holding part. The placement position of the recess 22 is more reasonable. Moreover, this integrated design also reduces costs and is convenient for users to use.
  • the receiving portion recess 22 may be arranged in the central area of the bottom wall 23 of the receiving portion, wherein when water vapor enters the receiving portion recess 22, the pressure in the receiving portion recess 22 will change. Large, water vapor will exert force on the containing part 2.
  • This arrangement can make the force of the containing part 2 more uniform (the air pressure acts on the containing part to form an upward buoyancy), which can avoid the tilting of the containing part 2 so as to ensure The rice is evenly contained in the containing part 2, and by the central arrangement, the discharged water can be evenly spread around, and the liquid level in the cooking cavity rises relatively faster and more uniformly.
  • the medium replacement part 3 may be configured as a ring structure 36. It should be explained that in the circumferential direction of the medium replacement part 3, the medium replacement part 3 is The closed ring structure 36 can form the medium replacement part 3 in this way, which can make the structure of the medium replacement part 3 simpler, and thus can make the production of the medium replacement part 3 more convenient.
  • the medium replacement part 3 may be arranged on the bottom wall 23 of the holding part of the holding part 2. When the holding part 2 is placed in the cooking cavity 11, this arrangement can facilitate water flow into the medium to replace The part 3 can ensure that water is stored in the medium replacement part 3, thereby ensuring that the water level in the containing part 2 can rise and fall, thereby ensuring the working reliability of the cooking appliance 10.
  • the medium replacement part 3 having a ring structure may include: a replacement part outer peripheral wall 37 and a replacement part inner peripheral wall 38, a replacement part outer peripheral wall 37 and a replacement part inner peripheral wall 38 They are respectively connected to the bottom wall 23 of the containing part, the outer peripheral wall 37 of the replacement part is sleeved outside the inner peripheral wall 38 of the replacement part, and the outer peripheral wall 37 of the replacement part and the inner peripheral wall 38 of the replacement part are spaced apart in the radial direction.
  • the medium replacement part 3 can be configured as a medium replacement plate 39 having a concave structure. After the medium replacement part 3 is placed in the cooking cavity 11, water can be stored in the medium replacement In the recessed structure of the portion 3, when the cooking appliance 10 is working, water vapor can enter the recessed structure, so that the water in the recessed structure can be pressed into the cooking cavity 11.
  • This embodiment has a simpler structure.
  • the medium replacement plate 39 has an inner concave surface 391 and an outer convex surface 392.
  • the outer convex surface 392 faces the containing portion 2 and is connected to the containing portion 2, and the inner concave surface 391 faces away from the containing portion 2. It is ensured that water and steam are stored in the concave space formed by the concave surface 391 of the medium replacement plate 39, and it can be ensured that the first medium 39 and the second medium 31 can be replaced in the concave space of the medium replacement plate 39 at will.
  • the medium replacement part 3 is further configured with exhaust micropores 5 communicating with the inside of the medium replacement part 3 and used for exhaust.
  • exhaust micropores 5 communicating with the inside of the medium replacement part 3 and used for exhaust.
  • the pressure in the medium replacement part 3 gradually increases, thereby reducing the water in the medium replacement part 3
  • the final medium replacement part 3 can be all steam, the water level in the holding part 2 rises to soak the rice noodles, so that the rice can absorb water fully and evenly.
  • stop heating or Heating at low power for a certain period of time (10-30 minutes).
  • the air in the medium replacement part 3 cools, the rice soup drops, and the exhaust microhole 5 can speed up the return speed of the rice soup.
  • the rice soup will not immerse the rice noodles and can maintain The temperature of the rice is 80°C or above, so that the rice can be steamed or braised.
  • the medium replacement portion 3 may include: a peripheral wall 34 of the medium replacement portion, the exhaust microholes 5 may be provided on the peripheral wall 34 of the medium replacement portion, and the exhaust microholes 5 are located The middle and upper part of the peripheral wall 34 of the medium replacement part, that is, the exhaust pores 5 are provided in the middle and upper part of the peripheral wall 34 of the medium replacement part.
  • the gas in the medium replacement part 3 can be discharged from the medium replacement part 3 through the exhaust pores 5, so as to ensure that the water can be smoothly It enters the medium replacement part 3, and in the process of water returning into the medium replacement part 3, the water level in the holding part 2 can be raised and dropped rapidly.
  • the medium replacement portion 3 may include: a peripheral wall 34 of the medium replacement portion, which is connected to the containing portion On the bottom wall 23 of the containing portion of 2, the exhaust microhole 5 is opened on the bottom wall 23 of the containing portion.
  • a peripheral wall 34 of the medium replacement portion which is connected to the containing portion On the bottom wall 23 of the containing portion of 2, the exhaust microhole 5 is opened on the bottom wall 23 of the containing portion.
  • the exhaust micropores 5 may be provided as one, and the exhaust micropores 5 are arranged at the center of the bottom wall 23 of the containing part. This arrangement can make the water in the containing part 2 drain from The air pores 5 flow into the medium replacement part 3, so that the water in the holding part 2 can evenly wash the rice, and the rice can be heated more evenly, thereby improving the taste of the rice.
  • the present application is not limited to this.
  • the exhaust micropores 5 can also be provided in multiple, and the shape of the exhaust micropores 5 is not limited.
  • the exhaust micropores 5 can be round holes, triangular holes, and the like.
  • the exhaust area of the exhaust microhole 5 is 3 mm 2-20 mm 2, more preferably 5 mm 2-10 mm 2.
  • the exhaust area of the exhaust pores 5 is greater than 20mm2, when the water boils, the water vapor in the medium replacement part 3 will flow out of the medium replacement part 3 from the exhaust pores 5, and no storage in the medium replacement part 3 If there is water vapor, if the exhaust area of the exhaust pores 5 is less than 3mm2 and the water does not boil, the water in the holding part 2 will not return in time. Therefore, this setting can ensure that the water level in the holding part 2 can rise , The water in the holding part 2 can also be quickly returned to the medium replacement part 3.
  • the containing portion 2 may be provided with a containing portion through hole 24, and the containing portion through hole 24 is used to communicate the internal space of the cooking cavity 11 and the containing portion 2.
  • the water in the cooking cavity 11 can flow into the containing portion 2 from the through hole 24 of the containing portion, so that the boiling water can be used to boil and flush the rice, and when the water is not boiling, The water in the cooking cavity 11 can flow out of the holding part 2 from the holding part through hole 24, which can separate the water from the rice.
  • a part of the water vapor can pass through the holding part through hole 24 Drain the cooking cavity 11.
  • the containing portion 2 may include: a peripheral wall 21 of the containing portion and a bottom wall 23 of the containing portion, and the through hole 24 of the containing portion may include: a peripheral wall through hole 241, a peripheral wall
  • the through holes 241 may be provided on the peripheral wall 21 of the containing portion, and the peripheral wall through holes 241 may be provided in multiples. This arrangement enables water to flow into and out of the containing portion 2 quickly, and can reduce the time for water to soak the rice.
  • the containing portion 2 may include: a peripheral wall 21 of the containing portion and a bottom wall 23 of the containing portion, and the through hole 24 of the containing portion may include:
  • the holes 242 and the bottom wall through holes 242 can be provided on the bottom wall 23 of the container.
  • this arrangement can minimize the distance between the bottom wall through holes 242 and the water surface, which can make it easier for water to pass through the bottom wall.
  • the hole 242 flows into the holding part 2, and the water in the holding part 2 can also flow out of the holding part 2 from the bottom wall through hole 242, so that the water can better wash the rice.
  • the preferred embodiment of the present application is to configure the peripheral wall through holes 241 and the bottom wall through holes 242 at the same time.
  • Water can enter the containing portion 2 from the peripheral wall through holes 241 and the bottom wall through holes 242.
  • the hole 242 may be partially blocked by the rice, so most of the water will enter from the peripheral wall through hole 241, so that the rice is flushed downward, and finally the water in the holding part 2 can flow back to the cooking cavity 11 through the bottom wall through hole 242.
  • the arrangement of the peripheral wall through holes 241 and the bottom wall through holes 242 can be equivalent to the high level through holes 241 and the low level through holes 242.
  • the height of the high level through holes 241 is greater than the height of the low level through holes 242, and the water enters the containing part 2 through the high level through holes 241. It is discharged from the low through hole 242, so that the food material, such as rice, located between the high through hole 241 and the low through hole 242 is washed and stirred.
  • the bottom wall through holes 242 surround the radially outer side of the medium replacement part 3. It can also be understood that in the circumferential direction of the medium replacement part 3, a plurality of bottom wall through holes 242 surround The outside of the medium replacement part 3 is arranged in this way to allow the water in the cooking cavity 11 to flow into the containing part 2 more quickly, and to ensure the temperature of the water after flowing into the containing part 2, so that the water can cook the rice better.
  • the medium replacement portion 3 may be configured as a ring structure 36, and the medium replacement portion 3 may include: an outer peripheral wall 37 of the replacement portion and an inner peripheral wall 38 of the replacement portion, surrounded by the inner peripheral wall 38 of the replacement portion
  • the bottom wall through hole 242 is arranged so that the water in the medium replacement part 3 can directly flow into and out of the containing part 2 from the bottom wall through hole 242, which can reduce the heat loss of the water, thereby further ensuring that water flows into the containing part 2 After the temperature.
  • the main body portion 1 may include a pot portion 12 and an upper cover portion 13, and the receiving portion 2 supports and extends into the pot body 12.
  • the upper cover 13 covers the containing part 2. This arrangement can reduce the time required for the water in the cooking appliance 10 to boil, reduce the time required for cooking rice, and also avoid When foreign objects enter the cooking appliance 10, the rice can be kept clean and hygienic, thereby ensuring the safety of the user. At the same time, it can also prevent water vapor from flowing out of the cooking appliance 10 quickly, and can ensure the gas pressure in the medium replacement part 3, thereby ensuring The water level can rise and fall.
  • the main body portion 1 may include a pot portion 12 and an upper cover portion 13, and the containing portion 2 is provided on the upper cover portion 13.
  • the cooking appliance 10 can be set as an electric rice cooker, an electric pressure cooker, an electric stew pot, an induction cooker, or a health pot. Such a setting can improve the working performance of the rice cooker, electric pressure cooker, electric stew pot, induction cooker, and health pot. It can enhance the market competitiveness of rice cookers, electric pressure cookers, electric cookers, induction cookers, and health pots.
  • the peripheral wall 34 of the medium replacement portion may be set in a circular ring shape, and the orthographic projection area of the inner space of the medium replacement portion 3 on the projection surface perpendicular to the central axis of the cooking appliance 10 is S1, and the cooking appliance 10 may also include: a heating part, the orthographic projection area of the heating part on the projection surface is S2, where S1 and S2 satisfy the relationship: S1 ⁇ 1/3S2, and further satisfy the following: S1 ⁇ 1/2S2.
  • the volume V of the internal space of the medium replacement part 3 satisfies the relationship: V ⁇ 80ml, V is further satisfied, 80Nml ⁇ V ⁇ 200Nml, and V is further satisfied, 100Nml ⁇ V ⁇ 180Nml.
  • the maximum cooking amount of the cooking appliance 10 when cooking rice is N cups of rice, and each cup of rice is 140g-160g.
  • the volume V of the internal space of the medium replacement part 3 satisfies the relationship: 100Nml ⁇ V ⁇ 180Nml, and when the maximum cooking amount is 2 cups of rice, the medium is replaced
  • the volume V of the internal space of the part 3 satisfies the relation: 200ml ⁇ V ⁇ 360ml, and when the maximum cooking capacity is 3 cups of rice, the volume V of the internal space of the medium replacement part 3 satisfies the relation: 300ml ⁇ V ⁇ 540ml. It is ensured that sufficient water is stored in the internal space of the medium replacement part 3, and when the water is boiling, the water level in the cooking appliance 10 can be ensured to rise to a sufficient height, so that the boiling water can be guaranteed to submerge the rice.
  • the cooking accessory 4 for the cooking appliance 10 includes: a holding part 2 and a medium replacement part 3, and the holding part 2 and the medium replacement part 3 are both provided on the cooking appliance In the cooking cavity 11 of 10, the medium replacement portion 3 is connected to the containing portion 2, and the medium replacement portion 3 is configured to be adapted to replace the liquid second medium 31 in the medium replacement portion 3 with the first medium 39 so as to be replaced
  • the second medium 31 can be discharged from the medium replacement part 3 to change the liquid level in the containing part 2.
  • the cooking accessory 4 is suitable for being arranged inside the cooking appliance 10.
  • the cooking accessory 4 includes: a holding basket 2 and a gas-liquid replacement part 3.
  • the holding basket 2 is the holding part 2 of the above embodiment, and the gas-liquid replacement part 3 is the medium replacement part 3 of the above embodiment.
  • the holding basket 2 has a holding basket peripheral wall 21 and a holding basket bottom wall 23.
  • the holding basket peripheral wall 21 is provided with a peripheral wall through hole 241. It should be noted that the holding basket peripheral wall 21 is the peripheral wall of the holding portion of the above embodiment. 21.
  • the bottom wall 23 of the containing basket is the bottom wall 23 of the containing portion of the above embodiment.
  • the gas-liquid replacement part 3 is provided on the lower surface of the bottom wall 23 of the holding basket, and the lower end of the gas-liquid replacement part 3 is opened to allow water vapor to enter the gas-liquid replacement part 3 and allow the liquid in the gas-liquid replacement part 3 to discharge the gas and liquid. Replacement part 3.
  • the water level in the cooking appliance 10 will rise, and then boiling water will flow from the peripheral wall through holes 241 and/or the exhaust pores 5 and/or the bottom wall
  • the through hole 242 flows into the holding basket 2, and then the water will cook the rice.
  • the rice is put into the cooking utensil 10 through the cooperation of the cooking cavity 11, the holding part 2 and the medium replacement part 3. After the water gradually boils, the holding part 2 The water inside will wash the rice and return to the cooking cavity 11.
  • the gas-liquid replacement portion 3 may include a gas-liquid replacement portion peripheral wall 34.
  • the gas-liquid replacement portion peripheral wall 34 is the medium replacement portion peripheral wall 34 of the foregoing embodiment, the gas-liquid replacement portion peripheral wall 34 and the holding basket
  • the bottom wall 23 is connected, and the bottom wall 23 of the holding basket may also be provided with a bottom wall through hole 242, and the bottom wall through hole 242 surrounds the peripheral wall 34 of the gas-liquid replacement part.
  • this arrangement can minimize the distance between the bottom wall through hole 242 and the water surface, which can make it easier for water to flow from the bottom wall through hole 242 into the holding basket 2 or make the basket 2 inside The water flows out of the basket 2 from the through hole 242 in the bottom wall, so that the water can better wash the rice.
  • At least a part of the bottom wall 23 of the holding basket bulges upward, and the bulged part is configured as the gas-liquid replacement part 3.
  • This arrangement can make the gas-liquid replacement part 3 and the container
  • the basket 2 is constructed as a whole, which can increase the overall structural strength of the holding basket 2.
  • the cooking appliance 10 includes the cooking accessory 4 of the above-mentioned embodiment.
  • the cooking accessory 4 is arranged and installed on the cooking appliance 10. According to the cooking appliance 10 of the present application, the ingredients are improved
  • the separation mechanism from the water uses the medium replacement part 3 to realize the replacement of the medium, so that the liquid level in the cooking cavity 11 is adjustable, and the separation of the food and water becomes controllable.
  • the control method of the cooking appliance 10 includes the following steps: during the cooking process of the cooking appliance 10, determining the current cooking stage of the cooking appliance 10, wherein the cooking stage of the cooking appliance 10 includes boiling Phase, when the cooking appliance 10 is in the boiling phase, the cooking appliance 10 controls the heating part of the cooking appliance 10 to make the heating part heat the water in the cooking appliance 10 to make the water boil and generate a large number of bubbles, some of which will be in the medium replacement part 3 is stored to increase the pressure in the medium replacement part 3. Under the action of the pressure, the water in the medium replacement part 3 is discharged into the cooking cavity 11.
  • the cooking appliance 10 stops heating in time, the water vapor in the medium replacement part 3 will quickly dissolve, and then the water in the cooking cavity 11 will flow back to the medium replacement part 3, so that the The water level drops rapidly, so that the liquid level in the cooking cavity 11 can be changed between the first liquid level and the second liquid level.
  • controlling the heating part of the cooking appliance 10 can change the liquid level in the cooking cavity 11 between the first liquid level and the second liquid level, including: The heating part is controlled by the second power adjustment ratio to perform alternate heating.
  • the heating part is controlled by the second power adjustment ratio to perform alternate heating.
  • the heating part By controlling the heating part with the first power adjustment ratio for heating, the liquid level in the container 2 can be raised to the first liquid level, and the second power adjustment Heating by controlling the heating part can lower the liquid level in the holding part 2 to the second liquid level, where the second power regulation ratio is lower than the first power regulation ratio, and the second liquid level is lower than the first liquid level.
  • the setting can achieve the working purpose of changing the liquid level in the container 2 between the first liquid level and the second liquid level.
  • the value range of the second power regulation ratio and the first power regulation ratio is greater than or equal to 1/8 and less than or equal to 1, and the heating period of the heating part is greater than or equal to 4 seconds and less than or equal to 32 seconds , wherein, in each heating cycle, the heating part is controlled by the first power regulation ratio and the second power regulation ratio for heating.
  • This arrangement can ensure that the liquid level in the container 2 is between the first liquid level and the second liquid level. Change between bits to avoid prolonged soaking of rice in water.
  • controlling the heating part of the cooking appliance 10 can change the liquid level in the cooking cavity 11 between the first liquid level and the second liquid level, including: controlling the heating part by the first power
  • the heating operation can make the liquid level in the cooking cavity 11 rise to the first liquid level.
  • the cooking appliance 10 controls the heating part to stop heating or controls the heating part to reduce heating
  • the power can lower the liquid level in the cooking cavity 11 to the second liquid level, where the second liquid level is lower than the first liquid level.
  • the cooking stage of the cooking appliance 10 may further include a rice steaming stage
  • the method may further include: when the cooking appliance 10 is in the rice steaming stage, the cooking appliance 10 controls the heating part of the cooking appliance 10 to make cooking The temperature of the rice soup in the cavity 11 is maintained within a preset temperature range, thereby ensuring that the rice can be steamed.
  • the preset temperature range is greater than or equal to 80 degrees Celsius and less than or equal to 110 degrees Celsius. This setting can maintain the temperature of the rice soup within an appropriate temperature range, which can further ensure that the rice is steamed, thereby ensuring that the rice The quality of cooking.
  • the liquid level in the cooking cavity 11 is lower than the bottom wall of the containing portion 2, and the liquid level in the cooking cavity 11 is equal to the bottom of the containing portion 2.
  • the distance of the wall is greater than or equal to 4mm, this setting can ensure the separation of rice and rice soup, and also ensure the steaming effect, can prevent the rice soup from immersing the rice, thereby avoiding contact between the rice soup and the rice.
  • the cooking appliance 10 when the boiling phase lasts for the first preset time, the cooking appliance 10 enters the rice steaming phase, and the rice steaming phase lasts for the second preset time.
  • This setting can make the rice heat more evenly, and the rice Absorb enough water, which can further prevent the rice from being trapped and improve the taste of the rice.
  • the value range of the first preset time is greater than or equal to 3 minutes and less than or equal to 15 minutes
  • the value range of the second preset time is greater than or equal to 3 minutes and less than or equal to 30 minutes.
  • the setting can better make the rice heat evenly, and can further make the rice absorb enough water, which can further prevent the rice from being trapped, thereby improving the taste of the rice.
  • the cooking appliance 10 may be an electric rice cooker, an electric pressure cooker, an electric cooker, an induction cooker, or a health pot, etc.
  • the cooking appliance 10 will be a rice cooker Take an example for illustration, but this is not a limitation of the scope of protection of this application. After reading the specification of this application, a person of ordinary skill in the art can obviously apply the cooking appliance 10 of this application to electric pressure cookers, electric cookers, induction cookers, or health pots, etc., after knowing the technical concept of this application.
  • the cooking appliance 10 may include: a body part 1 and a containing assembly 230.
  • the body portion 1 has a cooking cavity 11 inside.
  • the cooking cavity 11 may be a cavity defined by the pot portion 12 and the upper cover portion 13 of the body portion 1.
  • the containing assembly 230 is arranged in the cooking cavity 11.
  • the containing assembly 230 has a containing cavity 231 and a medium replacement cavity 232.
  • the containing cavity 231 can be used to contain food materials, such as rice.
  • the containing assembly 230 can be used to realize the replacement of the first medium 39 and the second medium 31 so as to change the liquid level in the cooking cavity 11.
  • the container 230 can be configured to replace the liquid second medium 31 in the medium replacement cavity 232 with the first medium 39, so that the replaced second medium 31 can exit the medium replacement cavity 232 and enter the cooking cavity 11 To change the liquid level in the cooking cavity 11.
  • the first medium 39 may come from outside the medium displacement chamber 232, and replace the second medium 31 by entering the medium displacement chamber 232, such as pumping gas from the outside into the medium displacement chamber 232; or, the first The medium 39 can come from the inside of the medium replacement cavity 232, for example, by heating the medium to replace the liquid such as water in the cavity 232, so that a gaseous first medium 39 is formed inside, and the first medium 39 can drain the liquid water from the inside of the medium replacement cavity 232.
  • the source of the first medium 39 can also be a combination of the above two possible ways, but it is not limited to this.
  • the medium replacement cavity 232 is also configured to use the second medium 31 that is outside the medium replacement cavity 232 and is liquid to enter the medium replacement cavity 232 to occupy at least a part of the space occupied by the first medium 39, thereby making the cooking cavity 11 When the liquid level drops, the liquid will wash away the rice and reduce the sugar in the rice.
  • the liquid second medium 31 can enter the medium replacement chamber 232 to occupy at least a part of the space previously occupied by the first medium 39.
  • the medium when the cooking appliance 10 stops heating or the heating power is reduced, the medium replaces the first medium 39 such as water vapor in the cavity 232 to liquefy, and the medium replaces the liquid second medium 31 such as water outside the cavity 232. It will enter the medium replacement cavity 232 and replace the space previously occupied by the first medium 39.
  • the liquid second medium 31 when at least a part of the first medium 39 such as air in the medium replacement cavity 232 is drawn out, the liquid second medium 31 such as water outside the medium replacement cavity 232 can enter the medium replacement cavity 232 , To replace the drawn first medium 39.
  • the containing cavity 231 can communicate with the cooking cavity 11 so that the liquid level in the containing cavity 231 is variable. Specifically, after the second medium 31 flows into the cooking cavity 11, it can enter the gap between the main body 1 and the containing assembly 230, and further enter the containing cavity 231. The amount of liquid entering the containing cavity 231 is different. The liquid level of the containing cavity 231 will change.
  • the first medium 39 may be water vapor or air
  • the second medium 31 may be water, but the application is not limited thereto.
  • the liquid can repeatedly wash the rice in the holding cavity 231, which can further reduce the sugar content in the rice.
  • the rice can be heated evenly, so that the rice can fully absorb water, thereby preventing the rice from being trapped and improving the taste of the rice.
  • the main body 1 and the containing assembly 230 After the rice is put into the cooking appliance 10, when the cooking appliance 10 is cooking the rice, the liquid will continue to wash the rice, so that the sugar in the rice is washed away, thereby It can prevent the user from getting fat after eating rice.
  • the containing assembly 230 may be composed of a plurality of split pieces 233 detachably connected.
  • the above-mentioned split detachable structure in the embodiments of the present application is more convenient to manufacture, and there are more shapes that can be selected in appearance, such as round, square, etc. Regular shapes, etc., are more flexible to use.
  • users can easily disassemble and clean them more conveniently, with fewer dead spots and improved user experience.
  • any two split parts 233 can be connected by a snap connection structure or a magnetic attraction structure, which is more reliable in connection and convenient in disassembly and assembly.
  • This application does not impose any special restrictions on the specific structures of the snap connection structure and the magnetic attraction structure, and various structures can be adopted, which are easily understood by those skilled in the art, and will not be described in detail here.
  • the clamping structure may be a rotary clamping structure, a concave-convex point clamping structure, a vertical sleeve clamping structure, or a left-right sliding clamping structure. All of these structures can realize effective clamping and are also convenient for disassembly and assembly.
  • the plurality of split pieces 233 may include: a holding part 2 and a medium replacement part 3.
  • the containing portion 2 may be provided with a containing cavity 231 with an upward opening, which is more convenient for placing food materials.
  • the medium replacement part 3 is located below the containing part 2, and the medium replacement part 3 and the containing part 2 are detachably connected.
  • the medium replacement part 3 is provided with a medium replacement cavity 232 with a downward opening, which makes it easier to collect the first medium 39.
  • the medium replacement part 3 has a replacement part top wall 32
  • the holding part 2 has a holding part bottom wall 23
  • the replacement part top wall 32 and the holding part bottom wall 23 One of them is provided with a clamping convex portion 24, and the other is provided with a clamping concave portion 331 suitable for clamping in the clamping convex portion 24.
  • clamping convex portion 24 may include one or more convex point portions 25, and the clamping concave portion 331 may include one or more through holes 341.
  • the convex point portions 25 and the through holes 341 correspond one to one, and each convex point portion 25 is inserted through and locked into the corresponding through hole 341.
  • a plurality of bumps 25 can be arranged at intervals along the circumference of the containing assembly 230, and the clamping effect is good.
  • the bump portion 25 may include a pillar portion 251 and an end portion 252.
  • the pillar portion 251 may penetrate through the through hole 341, and the end portion 252 is protrudingly provided at the end of the pillar portion 251.
  • the end portion 252 is stopped at one side of the through hole 341, and the through hole 341 is pulled out of the through hole 341 by the stop column 251.
  • at least one of the two ends of the head portion 252 may be configured with a chamfer 253.
  • the chamfer 253 can play a guiding role when the convex point 25 is engaged with or disengaged from the through hole 341, and makes it easier for the convex point 25 to be inserted into or removed from the through hole 341 during a force operation.
  • the axial size of the column portion 251 may be greater than or equal to the axial size of the through hole 341.
  • the holding part 2 and the medium replacement part 3 can be effectively engaged, and when the axial dimension of the column part 251 is larger than the axial dimension of the through hole 341, the holding part 2 and the medium replacement part 3 are engaged It can also have a certain degree of mobility, which can reduce the dead angle between the holding part 2 and the medium replacement part 3.
  • the holding portion 2 is provided with a positioning portion 26, the medium replacement portion 3 is provided with a positioning and matching portion 35 (that is, the aforementioned annular flange 35), and the positioning portion 26 is matched with the positioning and matching portion 35 to The positioning of the container 2 and the medium replacement part 3 makes the assembly of the container 230 more accurate.
  • the positioning portion 26 may be provided on the bottom wall 23 of the containing portion along the circumferential direction of the containing portion 2.
  • the top wall 32 of the replacement part is provided with an open opening 321, and the positioning mating portion 35 can be formed by the edge of the open opening 321.
  • the edge of the open opening 321 can be sheathed on the outer peripheral surface of the positioning rib. The positioning effect is better.
  • the plurality of split pieces 233 may include: a container 234 and a partition plate 235.
  • the container 234 may be provided with a cylindrical cavity 2341 which penetrates up and down.
  • the partition plate 235 is detachably provided in the containing barrel 234 and divides the barrel cavity 2341 up and down into a containing cavity 231 and a medium replacement cavity 232 located below the containing cavity 231.
  • the inner diameter of the containing cavity 231 and the inner diameter of the medium replacement cavity 232 can be the same or different, and can be set flexibly.
  • the cooking appliance 10 is a rice cooker.
  • the specific working process of the rice cooker is as follows: during the cooking process of the rice cooker, first pour an appropriate amount of water into the cooking cavity 11, and then put the holding part 2 and the medium replacement part 3 into the cooking cavity 11 to make The water level in the cooking cavity 11 is roughly below the medium replacement part 3 (of course, it can also be appropriately higher than the medium replacement part 3 or lower than the medium replacement part 3), and then put the washed rice into the holding part 2, as shown in the figure As shown in 23, the rice water at this time can be separated, that is, the rice is in the upper holding part 2, the water is below, and the rice is not soaked in water.
  • the rice cooker starts to heat the cooking cavity 11.
  • the water in the cooking cavity 11 When the water in the cooking cavity 11 is heated, the water in the cooking cavity 11 will produce a large number of bubbles (steam), and some of the bubbles will be stored in the medium replacement part 3 to make The pressure in the medium replacement part 3 becomes larger.
  • the water in the medium replacement part 3 Under the action of the pressure, the water in the medium replacement part 3 is discharged into the cooking cavity 11, so that the water level in the cooking cavity 11 rises, because the container 2 and the cooking cavity 11 Connected, after the water in the medium replacement part 3 flows into the cooking cavity 11, the water in the cooking cavity 11 will flow into the holding part 2. At this time, the water level in the whole holding part 2 will rise, and the rice will not pass, as shown in Figure 25 As shown, one cooking of rice is achieved.
  • the rice cooker When the water level in the holding part 2 reaches a certain height, the rice cooker will stop heating in time after being sensed by the time sensor or signal sensor or by other known means, and the water vapor in the medium replacement part 3 will be rapidly cooled and liquefied. Then the water in the cooking cavity 11 will flow back to the medium replacement part 3, causing the water level in the holding part 2 to drop rapidly.
  • the rice cooker can also intermittently separate the rice and water during the cooking process of the rice cooker.
  • the rice cooker controls the heating equivalent power and other control programs, The rice cooker repeatedly heats the cooking cavity 11 and stops.
  • the rice cooker heats the cooking cavity 11 repeatedly, the water in the holding part 2 will rise and fall repeatedly, and the water washes the rice during the repeated rise and fall. Then the water gradually turns into rice soup. After the water boiling stage is over, the rice cooker enters the rice steaming stage. In the rice steaming stage, the rice and water are separated, and the control program keeps the temperature of the rice soup above 80 degrees to make the rice steamed or braised.
  • the rice cooker can further reduce the sugar content of the rice by repeatedly washing the rice with water during the boiling stage of the water. After the user eats the rice, the user will not get fat easily. At the same time, the rice can be heated evenly and the rice can be fully absorbed. Moisture can prevent the rice from being trapped and improve the taste of the rice.
  • the final The distance from the water level in the cooking cavity 11 to the bottom rice may be greater than or equal to 4 mm.
  • the water level can also be slightly higher than the bottom rice, so that the rice on the upper layer still cannot be soaked in water, and the final sugar content of the rice can also be reduced.
  • the volume of the medium replacement cavity 232 may or may not change.
  • the volume of the medium replacement cavity 232 remains unchanged, and a gas charging device can be used to inflate the medium replacement cavity 232 to increase the pressure in the medium replacement cavity 232, thereby increasing the liquid level in the cooking cavity 11
  • a gas charging and discharging device can be used to draw air from the medium displacement chamber 232 to reduce the pressure in the medium displacement chamber 232, thereby achieving the effect of lowering the liquid level.
  • the gas filling and discharging device when the volume of the medium displacement cavity 232 is variable, is used to inflate the medium displacement cavity 232 or extract the gas in the medium displacement cavity 232, and the liquid level in the cooking cavity 11 can also be increased and increased. Drop function.
  • the medium replacement cavity 232 can be inflated by the gas charging and discharging device to realize the change of the liquid level in the cooking cavity 11, and the medium replacement cavity 232 The volume can change with the amount of inflation.
  • the volume of the medium replacement cavity 232 can be smaller to reduce the occupation of the cooking cavity 11, and the volume of the medium replacement cavity 232 can be increased when it is inflated to increase the amount of gas contained and further increase
  • the replacement amount of the liquid makes the liquid level change in the cooking cavity 11 more obvious, which is more conducive to improving the cooking effect.
  • the holding portion 2 and the medium replacement portion 3 after the rice is put into the cooking appliance 10, when the cooking appliance 10 drains the rice, the water will continue to wash the rice, so that the sugar in the rice is washed away It can make the user not easy to get fat after eating rice.
  • the cooking appliance 10 will be described below with reference to FIGS. 32-34. It should be noted that the cooking appliance 10 can be an electric rice cooker, an electric pressure cooker, an electric stew pot, an induction cooker or a health pot, etc. In the following description, the cooking appliance 10 is an electric rice cooker for illustration, but this is not a protection for the application Limits of scope. After reading the specification of this application, a person of ordinary skill in the art can obviously apply the cooking appliance 10 of this application to electric pressure cookers, electric cookers, induction cookers, or health pots, etc., after knowing the technical concept of this application.
  • the cooking appliance according to the embodiment of the present application is obtained by the designer of the present application based on the discovery and cause analysis of technical problems in the related technology.
  • the cooking appliance 10 may include: a body portion 1, a holding portion 2 and a medium replacement portion 3.
  • the holding portion 2 is used for holding food materials, such as rice.
  • the body portion 1 has a cooking cavity 11 inside.
  • the cooking cavity 11 may be a cavity defined by the pot portion 12 and the upper cover portion 13 of the body portion 1.
  • the containing part 2 is arranged in the cooking cavity 11, and the medium replacement part 3 is arranged in the cooking cavity 11.
  • the medium replacement part 3 is used to realize the replacement of the first medium 39 and the second medium 31 so as to change the liquid level in the cooking cavity 11.
  • the medium replacement part 3 is configured to replace the liquid second medium 31 in the medium replacement part 3 with the first medium 39, so that the replaced second medium 31 can exit the medium replacement part 3 and enter the cooking cavity 11 .
  • the liquid level in the container 2 can be changed.
  • the first medium 39 may come from outside the medium replacement part 3, and replace the second medium 31 by entering the medium replacement part 3, for example, pumping gas from the outside into the medium replacement part 3; or, the first The medium 39 may come from the inside of the medium replacement part 3.
  • a gaseous first medium 39 is formed inside, and the first medium 39 can discharge the liquid water from the inside of the medium replacement part 3.
  • the source of the first medium 39 can also be a combination of the above two possible ways, but it is not limited to this.
  • the medium replacement part 3 is also configured to use the second medium 31 outside the medium replacement part 3 and in a liquid state to enter the medium replacement part 3 to occupy at least a part of the space occupied by the first medium 39, thereby making cooking
  • the liquid level in the cavity 11 drops.
  • the liquid will wash away the rice and reduce the sugar in the rice.
  • the liquid second medium 31 can enter the medium replacement part 3 to occupy at least a part of the space previously occupied by the first medium 39.
  • the first medium 39 such as water vapor in the medium replacement part 3 is liquefied
  • the liquid second medium 31 outside the medium replacement part 3 is such as water. It will enter the medium replacement part 3 and replace the space previously occupied by the first medium 39.
  • the liquid second medium 31 such as water outside the medium replacement part 3 may enter the medium replacement part 3 , To replace the drawn first medium 39.
  • the containing portion 2 can communicate with the cooking cavity 11, and the second medium 31 can enter the gap between the main body 1 and the containing portion 2 after flowing into the cooking cavity 11, and further enter the containing portion 2, so that the The liquid level in the container 2 is variable, and the amount of liquid entering the container 2 is different, and the liquid level of the container 2 changes.
  • the liquid can repeatedly wash the rice in the holding part 2, which can reduce the sugar content in the rice.
  • the rice can be heated evenly, so that the rice can fully absorb water, thereby preventing the rice from being trapped, and improving the taste of the rice.
  • the holding portion 2 and the medium replacement portion 3 after the rice is put into the cooking appliance 10, when the cooking appliance 10 drains the rice, the liquid will continue to wash the rice, causing the sugar in the rice to be washed away It can make the user not easy to get fat after eating rice.
  • the medium replacement part 3 may be located below the containing part 2, and the medium replacement part 3 and the containing part 2 are separate parts, and the two are not connected as a whole.
  • the medium replacement portion 3 can be selectively placed, and when the medium replacement portion 3 is also placed in the cooking cavity 11, the cooking appliance 10 can be used for leaching rice or Perform other cooking.
  • the containing part 2 can be used as a normal steamer. In this way, the flexibility of using the cooking appliance 10 can be improved, and more kinds of meals can be made.
  • the medium replacement part 3 and the containing part 2 are not connected, which also reduces the disassembly and assembly operations of the two, and the operation is more convenient.
  • the medium replacement part 3 is located below the containing part 2, so that the containing part 2 can form a stop for the medium replacement part 3 from the upper side, and prevents the medium replacement part 3 from moving upward out of the cooking cavity 11, which is safer.
  • the medium replacement part 3 is formed as a structure with legs on the lower part.
  • the medium replacement part 3 is formed as a structure with an outer flange on the lower edge.
  • the medium replacement part 3 may be configured as a gas-liquid replacement part, and the gas-liquid replacement part may be configured to replace the liquid second medium 31 with a gaseous first medium 39.
  • the mutual replacement of different media makes the replacement effect better and can reduce the influence of the first media on the second media.
  • the first medium 39 may be water vapor, and the second medium 31 may be water, but the application is not limited thereto.
  • the lower part of the medium replacement part 3 is provided with a second medium opening 33 for discharging the second medium 39
  • the lower part of the main body part 1 is provided with a heating element 6, which can be The second medium 39 is heated to boil to form the first medium 31, that is, the first medium 31 is water vapor.
  • the heating element 6 may be a coil disk assembly.
  • the cooking appliance 10 heats the liquid in the cooking cavity 11, the water vapor in the medium replacement part 3 will gradually increase, and then the pressure in the gas-liquid replacement part will gradually increase, and the liquid in the gas-liquid replacement part will be pressed into
  • the cooking cavity 11 can thereby achieve the working purpose of increasing the water level in the cooking cavity 11, and further, the working purpose of increasing the water level of the container 2 can be achieved.
  • the liquid entering the containing portion 2 is a high-temperature liquid, and the cooking effect can also be improved.
  • the second medium opening 33 is arranged facing downwards, so as to reduce the shaking of the medium replacement part 3 during the liquid discharge process and reduce the risk of the medium replacement part 3 turning over.
  • the second medium opening 33 may also face the side.
  • the second medium opening 33 is provided on two opposite sides of the medium replacement part 3, so that when the medium is replaced, Both sides of the medium replacement part 3 receive force at the same time, and the forces are more balanced, which can also reduce the probability of the medium replacement part 3 turning over.
  • the medium replacement part 3 may be spaced from the containing part 2 before the second medium 31 is not boiling, and when the second medium 31 is boiling, the first medium Driven by the pressure of 39, it can rise to offset the container. Therefore, when the medium replacement part 3 is under pressure, it can be restricted by the holding part 2 in contact with it, so as to improve the stability of the medium replacement part 3 and further reduce the risk of the medium replacement part 3 turning over. At the same time, when placing the holding part 2 into the cooking cavity 11, since the holding part 2 does not contact the medium replacement part 3, the friction between the holding part 2 and the medium replacement part 3 can be reduced and the damage can be reduced.
  • the cooking appliance 10 may also be provided with an anti-reversal structure for preventing the medium replacement part 3 from turning over.
  • the anti-reversal structure may be installed in at least one of the body part 1, the medium replacement part 3, and the holding part 2. One way to further reduce the risk of overturning of the medium replacement part 3.
  • the anti-turnover structure may be an anti-turnover rib, for example, protruding anti-turnover ribs are provided on the inner wall surface of the cooking cavity 11 and/or the containing portion 2
  • the medium replacement part 3 performs position restriction.
  • the anti-flip structure 3 may be a magnetic attraction structure, and there is a magnetic force between the magnetic attraction structure and the medium replacement part 3 to reduce the risk of the medium replacement part 3 being flipped.
  • the outer radial dimension L11 of the medium replacement part 3 and the radial dimension L21 of the cooking cavity 11 may satisfy: L1 ⁇ 0.2L2.
  • the axial dimension L12 of the medium replacement part 3 and the axial dimension L22 of the cooking cavity 11 may satisfy: L12 ⁇ 0.1L22.
  • the outer radial dimension L31 of the containing part 2 may be smaller than the radial dimension L21 of the cooking cavity 11, and the axial dimension L32 of the containing part 2 and the axial dimension L22 of the cooking cavity 11 may satisfy: L32 ⁇ 0.2L22 .
  • radial is interpreted in a broad sense here.
  • a certain structure having a radial dimension does not mean that the structure must be circular.
  • the cooking cavity 11 has a radial dimension, which does not mean The cooking cavity 11 must be a circular cavity, but may also be square or other shapes.
  • the radial dimension of the cooking cavity 11 can be understood to be in a direction perpendicular to the axial direction of the cooking cavity 11 and substantially passing through the center of the cooking cavity. The distance between the two ends of the cavity 11.
  • the radial dimension of the cooking cavity 11 can be understood as the distance between the two ends of the cooking cavity 11 in a direction perpendicular to the axial direction of the cooking cavity 11 and roughly passing through the center of the cooking cavity 11, such as The distance between the two ends of the cooking cavity 11 in the diagonal direction.
  • the outer radial dimension L11 of the medium replacement part 3, the axial dimension L12 of the medium replacement part 3, the radial dimension L21 of the cooking cavity 11 and the axial dimension L22 of the cooking cavity 11 may satisfy: L11 ⁇ 0.5L21 and L12>0.3L22, or, L11 ⁇ 0.5L21 and L12 ⁇ 0.3L22. Studies have shown that this arrangement can also reduce the probability of the medium replacement part 3 turning over.
  • the main body 1 may include: a pot body 12 and an upper lid portion 13, the upper lid portion 13 is disposed on the pot body 12, and the pot body 12 includes The outer shell 121 and the inner pot 122 arranged in the outer shell 121, the inner pot 122 can cooperate with the upper cover part 13 to form the cooking cavity 11, and the containing part 2 and the medium replacement part 3 can be arranged in the inner pot 122.
  • the cooking appliance 10 has better heat insulation and higher safety.
  • the upper cover 13 covers the holding part 2. This arrangement can reduce the time required for the water in the cooking appliance 10 to boil, reduce the time required for cooking rice, and also avoid When foreign objects enter the cooking appliance 10, the rice can be kept clean and hygienic, thereby ensuring the food safety of the user.
  • the axial dimension L32 of the containing part 2, the axial dimension L12 of the medium replacement part 3, and the axial dimension L42 of the inner pot 122 may satisfy: L32+ L12 ⁇ L42.
  • the containing portion 2 and the medium replacement portion 3 are more easily put into the cooking cavity 11, and the interference between the containing portion 2 and the upper cover portion 13 is smaller.
  • the upper portion of the containing portion 2 may not protrude upward from the edge of the inner pot 122, which makes it easier to cover the upper lid portion 13.
  • the inner radial dimension L41 of the inner pot 121 and the axial dimension L42 of the inner pot may satisfy: 14cm ⁇ L41 ⁇ 25cm, 11cm ⁇ L42 ⁇ 13cm, respectively.
  • the inner pot 121 of this size can meet the cooking needs of most users and has a wider adaptability.
  • L41 can be 16cm, 18cm, 20cm, 22cm, etc.
  • L42 can be 11.5cm, 12cm, 12.5cm, etc.
  • the cooking appliance 10 according to some specific embodiments of the present application is described below.
  • the working process of a cooking appliance 10 such as an electric rice cooker mainly includes a water boiling stage and a rice steaming stage. In the water boiling stage, the electric rice cooker is mainly heated periodically.
  • the control program of the rice cooker sets a period T, and T satisfies the relationship: 32 seconds ⁇ T ⁇ 4 Second, the periodic power adjustment ratio is a, a satisfies the relational formula: 1 ⁇ a ⁇ 1/8, the total duration of the water boiling phase is t1, and t1 satisfies the relational formula: 15 minutes ⁇ t1 ⁇ 3 minutes.
  • the rice cooker enters the rice steaming stage. In the rice steaming stage, the rice and water are separated.
  • the control program keeps the temperature of the rice soup at b, and b satisfies the relationship of 110 degrees ⁇ b ⁇ 80 degrees. Relational formula: 30 minutes ⁇ t2 ⁇ 3 minutes.
  • the specific working process of the rice cooker is as follows: during the cooking process of the rice cooker, first pour an appropriate amount of water into the cooking cavity 11, and then put the holding part 2 and the medium replacement part 3 into the cooking cavity 11 to make the cooking cavity 11
  • the water level inside is roughly below the medium replacement part 3 (of course, it can also be appropriately higher than the medium replacement part 3 or lower than the medium replacement part 3), and then put the washed rice into the holding part 2, as shown in Figure 32
  • the rice water can be separated, that is, the rice is in the upper holding part 2, the water is below, and the rice is not soaked in water.
  • the rice cooker starts to heat the cooking cavity 11.
  • the water in the cooking cavity 11 When the water in the cooking cavity 11 is heated, the water in the cooking cavity 11 will produce a large number of bubbles (steam), and some of the bubbles will be stored in the medium replacement part 3 to make The pressure in the medium replacement part 3 becomes larger.
  • the water in the medium replacement part 3 Under the action of the pressure, the water in the medium replacement part 3 is discharged into the cooking cavity 11, so that the water level in the cooking cavity 11 rises, because the container 2 and the cooking cavity 11 Connected, after the water in the medium replacement part 3 flows into the cooking cavity 11, the water in the cooking cavity 11 will flow into the holding part 2. At this time, the water level in the entire holding part 2 will rise, and the rice will not pass, as shown in Figure 34 As shown, one cooking of rice is achieved.
  • the rice cooker When the water level in the holding part 2 reaches a certain height, the rice cooker will stop heating in time after being sensed by the time sensor or signal sensor or by other known means, and the water vapor in the medium replacement part 3 will be rapidly cooled and liquefied. Then the water in the cooking cavity 11 will flow back to the medium replacement part 3, causing the water level in the holding part 2 to drop rapidly.
  • the rice cooker can also intermittently separate the rice and water during the cooking process of the rice cooker.
  • the rice cooker controls the heating equivalent power and other control programs, The rice cooker repeatedly heats the cooking cavity 11 and stops.
  • the rice cooker heats the cooking cavity 11 repeatedly, the water in the holding part 2 will rise and fall repeatedly, and the water washes the rice during the repeated rise and fall. Then the water gradually turns into rice soup. After the water boiling stage is over, the rice cooker enters the rice steaming stage. In the rice steaming stage, the rice and water are separated, and the control program keeps the temperature of the rice soup above 80 degrees to make the rice steamed or braised.
  • the rice cooker can further reduce the sugar content of the rice by repeatedly washing the rice with water during the boiling stage of the water. After the user eats the rice, the user will not get fat easily. At the same time, the rice can be heated evenly and the rice can be fully absorbed. Moisture can prevent the rice from being trapped and improve the taste of the rice.
  • the original water level will be lowered due to the previous evaporation of the water in the rice cooker and the absorption of water by the rice.
  • the distance from the water level in the final cooking cavity 11 to the bottom rice can be greater than or equal to 4 mm.
  • the water level can also be slightly higher than the bottom rice, so that the rice on the upper layer still cannot be soaked by water, and the final sugar content of the rice can also be reduced.
  • the volume of the medium replacement part 3 may or may not change.
  • the volume of the medium replacement part 3 does not change, and a gas charging device can be used to inflate the medium replacement part 3 to increase the pressure in the medium replacement part 3, thereby increasing the liquid level in the cooking cavity 11
  • a gas charging and discharging device can be used to draw air from the medium replacement part 3 to reduce the pressure in the medium replacement part 3, thereby achieving the effect of lowering the liquid level.
  • a gas filling device is used to inflate the medium replacement part 3 or extract the gas in the medium replacement part 3, and the liquid level in the cooking cavity 11 can also be increased and increased.
  • Drop function For example, in some specific examples of the present application, during the cooking process, the medium replacement part 3 can be inflated by a gas charging and discharging device to realize the change of the liquid level in the cooking cavity 11, and the medium replacement part 3 The volume can change with the amount of inflation.
  • the volume of the medium replacement part 3 can be smaller, reducing the occupation of the cooking cavity 11, and the volume of the medium replacement part 3 can be increased when inflating, so as to increase the amount of contained gas and further increase
  • the replacement amount of the liquid makes the liquid level change in the cooking cavity 11 more obvious, which is more conducive to improving the cooking effect.
  • the holding portion 2 and the medium replacement portion 3 after the rice is put into the cooking appliance 10, when the cooking appliance 10 drains the rice, the water will continue to wash the rice, so that the sugar in the rice is washed away It can make the user not easy to get fat after eating rice.
  • the cooking appliance 10 will be described below with reference to FIG. 8, FIG. 20, and FIGS. 35-39.
  • the cooking appliance 10 can be an electric rice cooker, an electric pressure cooker, an electric stew pot, an induction cooker or a health pot, etc.
  • the cooking appliance 10 is an electric rice cooker for illustration, but this is not a protection for the application Limits of scope.
  • a person of ordinary skill in the art can obviously apply the cooking appliance 10 of this application to electric pressure cookers, electric cookers, induction cookers, or health pots, etc., after knowing the technical concept of this application.
  • the designer of this application has discovered through research and creative that the main reason for the above-mentioned problems in the related technology is:
  • the accumulation of rice is relatively high. It is difficult for the water level to cover all the rice only by entering the water from the bottom of the steamer, causing the upper layer of rice to be hard and even raw, and the sugar is not fully drained.
  • the cooking appliance 10 may include: a body portion 1, a holding portion 2, and a medium replacement portion 3.
  • the holding portion 2 is used for holding food materials, such as rice.
  • the body portion 1 has a cooking cavity 11 inside.
  • the cooking cavity 11 may be a cavity defined by the pot portion 12 and the upper cover portion 13 of the body portion 1.
  • the holding part 2 is provided in the cooking cavity 11
  • the medium replacement part 3 is provided in the cooking cavity 11
  • the medium replacement part 3 is used to replace the first medium 39 and the second medium 31, thereby changing the liquid level in the cooking cavity 11 .
  • the medium replacement part 3 is configured to replace the liquid second medium 31 in the medium replacement part 3 with the first medium 39, so that the replaced second medium 31 can exit the medium replacement part 3 and enter Inside the cooking cavity 11. After the second medium 31 flows into the cooking cavity 11, the liquid level in the containing portion 2 can be changed.
  • the first medium 39 may come from outside the medium replacement part 3, and replace the second medium 31 by entering the medium replacement part 3, for example, pumping gas from the outside into the medium replacement part 3; or, the first The medium 39 may come from the inside of the medium replacement part 3.
  • the source of the first medium 39 can also be a combination of the above two possible ways, but it is not limited to this.
  • the medium replacement part 3 is also configured to use the second medium 31 outside the medium replacement part 3 and in a liquid state to enter the medium replacement part 3 to occupy at least a part of the space occupied by the first medium 39, thereby making cooking
  • the liquid level in the cavity 11 drops.
  • the liquid will wash away the rice and reduce the sugar in the rice.
  • the liquid second medium 31 can enter the medium replacement part 3 so as to occupy at least a part of the space previously occupied by the first medium 39.
  • the first medium 39 such as water vapor in the medium replacement part 3 is liquefied
  • the liquid second medium 31 outside the medium replacement part 3 is such as water. It will enter the medium replacement part 3 and replace the space previously occupied by the first medium 39.
  • the liquid second medium 31 such as water outside the medium replacement part 3 may enter the medium replacement part 3 , To replace the drawn first medium 39.
  • the liquid can wash the rice in the holding part 2, so that more sugar can enter the liquid, thereby reducing the sugar content in the rice.
  • the rice can be heated evenly, so that the rice can fully absorb water, which can prevent the rice from being trapped and improve the taste of the rice.
  • the liquid second medium 31 can be The rice is soaked when it enters into the holding part 2, and when the cooking utensil 10 is draining the rice, the liquid will continuously wash the rice, so that the sugar in the rice is washed away, so that the user can not easily change the rice after eating. fat.
  • the area S1 enclosed by the outer circumferential surface of the containing portion 2 and the area S2 enclosed by the inner circumferential surface of the main body portion 1 at the same height satisfy: 0.9 ⁇ S1/S2 ⁇ 0.98.
  • S1/S2 may be 0.91, 0.93, 0.95, 0.97, etc.
  • the liquid replaced from the medium replacement part 3 can be poured into the steaming part 2 as much as possible, so that the liquid level in the holding part changes more obviously, and there is enough in the holding part 2
  • the height of the liquid level is used to flush, drain the sugar and cook the rice in the bowl 2, so as to solve the problem of cooking utensils with drained rice or low-sugar rice in the related art.
  • the amount of rice is not evenly cooked and the sugar-leaching effect Poor problem.
  • the width L1 of the gap 101 may satisfy: L1 ⁇ 5mm.
  • the internal volume of the holding part 2 can be as large as possible, so that the same amount of rice has the lowest height in the holding part 2, so that it can be more easily filled with water.
  • L1 may be 1mm, 2mm, 3mm, 4mm, etc.
  • the medium replacement part 3 may be configured as a gas-liquid replacement part, and the gas-liquid replacement part may be configured to replace the liquid second medium 31 with a gaseous first medium 39.
  • the mutual replacement of different media makes the replacement effect better and can reduce the influence of the first media on the second media.
  • the first medium 39 may be water vapor
  • the second medium 31 may be water
  • the cooking appliance 10 may further include a heating element 6, which may be adapted to heat the second medium 31 in the medium replacement part 3 to form the first medium 39, that is, the first medium 39 may be water vapor.
  • a heating element 6 which may be adapted to heat the second medium 31 in the medium replacement part 3 to form the first medium 39, that is, the first medium 39 may be water vapor.
  • the heating element 6 has a continuous heating mode.
  • the heating time is T
  • the container 2 can enter and contain liquid
  • the initial liquid level A1 refers to the liquid level before boiling. Among them, H ⁇ 10mm, T ⁇ 10 seconds.
  • the treatment effect on the inner rice of the container 2 can be further improved.
  • the heating element 6 may be a coil disk assembly.
  • the inner and outer sides of at least a section of the gap 101 may be arranged in parallel and extend in the vertical direction, respectively.
  • the liquid can be raised and lowered vertically at the gap 101, the stroke is shorter, and it is easier to enter the containing portion 2.
  • the containing portion 2 may include: a surrounding wall 21 of the containing portion and a bottom wall 23 of the containing portion.
  • a communication gap 101 is provided on the upper portion of the surrounding wall 21 of the containing portion.
  • the through hole 241 is connected with the peripheral wall of the holding part 2 so that water can enter the holding part 2 from a relatively high position, so that the incoming water can better wash, drain, and cook all the rice.
  • the peripheral wall through holes 241 can be provided in multiples, and this arrangement can further enable the water to flow into and out of the holding part 2 quickly, and can reduce the time for water to soak the rice.
  • the containing portion 2 includes a bottom wall 23 of the containing portion and a peripheral wall 21 of the containing portion. At least a section of the gap 101 may be formed by the peripheral wall 21 of the containing portion and the inner peripheral surface of the body portion 1.
  • the medium replacement part 3 may be installed on the bottom wall 23 of the containing part. Therefore, the influence of the medium replacement part 3 on the gap 101 is smaller, which is beneficial to the small size of the gap 101.
  • the peripheral wall 21 of the containing portion may be provided with a bottom wall through hole 242, and the bottom wall through hole 242 is located on the radially outer side of the medium replacement portion 3 for making the bottom of the containing portion
  • the liquid between the wall 23 and the body portion 1 enters the containing portion 2. Therefore, when the cooking appliance 10 does not heat the water, this arrangement can minimize the distance from the bottom wall through hole 242 to the water surface, and it is more convenient for the water to flow from the bottom wall through hole 242 into the container 2 or the container 2
  • the water inside flows out of the containing portion 2 from the bottom wall through hole 242, so that the water can better wash the rice.
  • an embodiment of the present application can be configured to configure the peripheral wall through holes 241 and the bottom wall through holes 242 at the same time, and water can enter the containing portion 2 from the peripheral wall through holes 241 and the bottom wall through holes 242, so that Improve water inlet efficiency.
  • the cooking appliance 10 is provided with an initial liquid level line, and the initial liquid level line 102 is lower than the bottom wall 23 of the containing portion and higher than the lower end of the medium replacement portion 3.
  • the initial liquid level line 102 may be set on the inner circumferential surface of the inner pot, which is easier to observe.
  • the initial liquid level line 102 may extend into a circle along the circumference of the inner pot, or may be only a line segment.
  • the body part 1 may include a pot body part 12 and an upper cover part 13, and the containing part 2 is supported and extended into the pot body part 12.
  • the upper cover 13 covers the containing part 2. This arrangement can reduce the time required for the water in the cooking appliance 10 to boil, reduce the time required for cooking rice, and also avoid When foreign objects enter the cooking appliance 10, the rice can be kept clean and hygienic, thereby ensuring the food safety of the user.
  • the containing portion 2 may be installed on the upper cover portion 13.
  • the holding part 2 can be installed while covering the upper cover part 13 on the holding part 2, and the operation is more convenient.
  • the medium replacement part 3 of the cooking appliance 10 is not limited to the structure shown in FIGS. 35 to 39, and may also have other structures.
  • the medium replacement part 3 and the holding part 2 are formed as an integral structure.
  • the medium replacement part 3 may be formed by concave formation on the bottom wall of the holding part 2, and such arrangement
  • the medium replacement part 3 and the holding part 2 can be formed into an integral structure, and the medium replacement part 3 and the holding part 2 can be put into and taken out of the cooking cavity 11, so that the cleaning of the medium replacement part 3 can be facilitated, and the user can be improved Satisfaction.
  • the medium replacement part 3 can be configured as a medium replacement plate 39 having a recessed structure. After the medium replacement part 3 is placed in the cooking cavity 11, water can be stored in the medium replacement part 3. When the cooking appliance 10 is working, the water vapor can enter the concave structure, so that the water in the concave structure can be pressed into the cooking cavity 11, and the structure is relatively simple.
  • the medium replacement plate 39 may have an inner concave surface 391 and an outer convex surface 392.
  • the outer convex surface 392 faces the containing portion 2 and is connected to the containing portion 2, and the inner concave surface 391 faces away from the containing portion 2.
  • This arrangement can ensure that water and steam are stored in the concave space formed by the concave surface 391 of the medium replacement plate 39, and can ensure that the first medium 39 and the second medium 31 can be replaced at will in the concave space of the medium replacement plate 39 .
  • the cooking appliance 10 according to some specific embodiments of the present application is described below.
  • the working process of a cooking appliance 10 such as an electric rice cooker mainly includes a water boiling stage and a rice steaming stage. In the water boiling stage, the electric rice cooker is mainly heated periodically.
  • the control program of the rice cooker sets a period T, and T satisfies the relationship: 32 seconds ⁇ T ⁇ 4 Second, the periodic power adjustment ratio is a, a satisfies the relational formula: 1 ⁇ a ⁇ 1/8, the total duration of the water boiling phase is t1, and t1 satisfies the relational formula: 15 minutes ⁇ t1 ⁇ 3 minutes.
  • the rice cooker enters the rice steaming phase.
  • the rice water is separated, and the control program keeps the rice soup temperature at b, b satisfies the relationship 110 degrees ⁇ b ⁇ 80 degrees, the total duration of the entire rice steaming stage t2, t2 meets Relational formula: 30 minutes ⁇ t2 ⁇ 3 minutes.
  • the specific working process of the rice cooker is: during the cooking process of the rice cooker, first pour an appropriate amount of water into the cooking cavity 11, and then put the holding part 2 and the medium replacement part 3 into the cooking cavity 11 to make the cooking cavity 11
  • the water level inside is roughly below the medium replacement part 3 (of course, it can also be appropriately higher than the medium replacement part 3 or lower than the medium replacement part 3), and then put the washed rice into the holding part 2, as shown in Figure 35
  • the rice water can be separated, that is, the rice is in the upper holding part 2, the water is below, and the rice is not soaked in water.
  • the rice cooker starts to heat the cooking cavity 11.
  • the water in the cooking cavity 11 boils, the water in the cooking cavity 11 will generate a large number of bubbles (steam), some of which will be stored in the medium replacement part 3 to make the medium
  • the pressure in the replacement part 3 increases.
  • the water in the medium replacement part 3 is discharged into the cooking cavity 11, so that the water level in the cooking cavity 11 rises, because the containing part 2 communicates with the cooking cavity 11 ,
  • the water in the medium replacement part 3 flows into the cooking cavity 11, the water in the cooking cavity 11 will flow into the holding part 2.
  • the water level in the entire holding part 2 will rise, and the rice will not pass, as shown in Figure 37. Show, to achieve a cooking of rice.
  • the rice cooker When the water level in the holding part 2 reaches a certain height, the rice cooker will stop heating in time after being sensed by the time sensor or signal sensor or by other known means, and the water vapor in the medium replacement part 3 will be rapidly cooled and liquefied. Then the water in the cooking cavity 11 will flow back to the medium replacement part 3, causing the water level in the holding part 2 to drop rapidly.
  • the rice cooker can also intermittently separate the rice and water during the cooking process of the rice cooker.
  • the rice cooker controls the heating equivalent power and other control programs, The rice cooker repeatedly heats the cooking cavity 11 and stops.
  • the rice cooker heats the cooking cavity 11 repeatedly, the water in the holding part 2 will rise and fall repeatedly, and the water washes the rice during the repeated rise and fall. Then the water gradually becomes rice soup. After the water boiling stage is over, the rice cooker enters the rice steaming stage. In the rice steaming stage, the rice and water are separated, and the control program keeps the temperature of the rice soup above 80 degrees to make the rice steamed or braised.
  • the rice in the holding part 2 is not soaked in water, and the rice cooker is repeatedly passed through the water during the boiling stage of the water. Washing the rice can further reduce the sugar content in the rice. After the user has eaten the rice, the user will not get fat easily. At the same time, the rice can be heated evenly, so that the rice can fully absorb water, which can prevent the rice from being trapped and improve The taste of rice.
  • the original water level will be lowered due to the previous evaporation of the water in the rice cooker and the absorption of water by the rice.
  • the final water level in the cooking cavity 11 The distance to the bottom rice can be greater than or equal to 4mm.
  • the volume of the medium replacement part 3 may or may not change.
  • the volume of the medium replacement part 3 does not change, and a gas charging device can be used to inflate the medium replacement part 3 to increase the pressure in the medium replacement part 3, thereby increasing the liquid level in the cooking cavity 11
  • a gas charging and discharging device can be used to draw air from the medium replacement part 3 to reduce the pressure in the medium replacement part 3, thereby achieving the effect of lowering the liquid level.
  • a gas filling device is used to inflate the medium replacement part 3 or extract the gas in the medium replacement part 3, and the liquid level in the cooking cavity 11 can also be increased and increased.
  • Drop function For example, in some specific examples of the present application, during the cooking process, the medium replacement part 3 can be inflated by a gas charging and discharging device to realize the change of the liquid level in the cooking cavity 11, and the medium replacement part 3 The volume can change with the amount of inflation.
  • the volume of the medium replacement part 3 can be smaller, reducing the occupation of the cooking cavity 11, and the volume of the medium replacement part 3 can be increased when inflating, so as to increase the amount of contained gas and further increase
  • the replacement amount of the liquid makes the liquid level change in the cooking cavity 11 more obvious, which is more conducive to improving the cooking effect.
  • the rice may or may not be soaked in water.
  • the water level is relatively high, such as when it rises to at least the lower part of the immersion part 2, at least a part of the rice can be soaked by water.
  • the water level is low, such as lower than the holding part 2, the rice will not be soaked by water.
  • the cooking appliance 10 is draining the rice, the water will continuously wash the rice, so that the sugar in the rice is washed away, so that the user will not easily become fat after eating the rice.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
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Abstract

一种烹饪器具（10）、烹饪附件（4）以及控制方法，烹饪器具（10）包括：本体部（1）、盛放部（2）和介质置换部（3）；本体部（1）内具有烹饪腔（11）；介质置换部（3）设置成利用第一介质替换位于介质置换部（3）内的液态的第二介质，从而使得被替换的第二介质能够排出介质置换部（3），介质置换部（3）还设置成利用处在介质置换部（3）之外且为液态的第二介质进入到介质置换部（3）内以占据由第一介质占用的至少一部分空间，其中盛放部（2）能够与烹饪腔（11）连通。

Description

烹饪器具、用于烹饪器具的烹饪附件以及控制方法
相关申请的交叉引用
本申请要求“佛山市顺德区美的电热电器制造有限公司”于2019年05月31日提交的、名称为“烹饪器具、用于烹饪器具的烹饪附件以及控制方法”的、中国专利申请号“201920836583.X”、“201910473447.3”、“201920830814.6”、“201920829157.3”和“201920830812.7”的优先权。
技术领域
本申请涉及生活电器领域，尤其是涉及一种烹饪器具、用于烹饪器具的烹饪附件以及控制方法。
背景技术
沥米饭，也称甑子饭，其关键步骤是：先将淘净的大米放入水中煮沸，经过适当时间后将汤饭捞出过滤，将滤出的米饭放在蒸笼上蒸熟，将米汤留下来饮用。
现有的电饭煲已经可以实现沥米饭功能，米放入到电饭煲内后，米首先是浸泡在水中，水煮至沸腾一段时间后再实现米水分离。但是，由于米饭长时间浸泡在水里，米饭会充分吸收米汤中的糖分等，从而导致电饭煲做出的米饭不利于糖尿病患者食用，并且，也会导致米饭中含糖量较高，用户吃完米饭后，容易变胖。
申请内容
本申请旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本申请提出一种烹饪器具，该烹饪器具改进了食材和水的分离机制。
本申请进一步地提出了一种用于烹饪器具的烹饪附件。
本申请进一步地提出了一种用于烹饪器具的烹饪附件。
本申请进一步地提出了一种烹饪器具。
本申请进一步地提出了一种控制方法。
根据本申请的烹饪器具包括：本体部、盛放部和介质置换部。所述本体部内具有烹饪腔；所述盛放部设置于所述烹饪腔内；所述介质置换部设置于所述烹饪腔内，所述介质置换部设置成利用第一介质替换位于所述介质置换部内的第二介质，从而使得被替换的所述第二介质能够排出所述介质置换部，所述介质置换部还设置成利用处在所述介质置换部之外的所述第二介质进入到所述介质置换部内以占据由所述第一介质占用的至少一部分空间，其中所述盛放部能够与所述烹饪腔连通以使所述盛放部内的液位可变。
根据本申请的烹饪器具，改善了食材与水的分离机制，利用介质置换部实现介质的置换，使得烹饪腔内的液位可调，食材与水的分离变得可控。
根据本申请的用于烹饪器具的烹饪附件包括：盛放部和介质置换部，所述盛放部和所述介质置换部均设置于所述烹饪器具的烹饪腔内，所述介质置换部连接于所述盛放部，所述介质置换部设置成适于利用第一介质替换位于所述介质置换部内的第二介质，从而使得被替换的所述第二介质能够排出所述介质置换部以改变所述盛放部内的液位。
根据本申请的用于烹饪器具的烹饪附件，改善了食材与水的分离机制，利用介质置换部实现介质的置换，使得烹饪腔内的液位可调，食材与水的分离变得可控。
根据本申请的用于烹饪器具的烹饪附件包括：盛放篮，所述盛放篮具有盛放篮周壁和盛放篮底壁，所述盛放篮周壁上设置有周壁通孔；气液置换部，所述气液置换部设置在所述盛放篮底壁的下表面上，所述气液置换部的下端敞开以允许水蒸气进入并允许所述气液置换部内的液体排出。
根据本申请的用于烹饪器具的烹饪附件，气液置换部内的液体排出气液置换部后，烹饪器具内的水位会上升，沸腾的水会流入盛放篮，盛放篮内的水会对大米进行冲刷，水在冲 刷大米时，能够带走大米里的糖，可以使烹饪器具做出的米饭利于糖尿病患者食用，并且，烹饪器具在沥米饭时，水会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
根据本申请的烹饪器具，包括上述的烹饪附件。
根据本申请的烹饪器具，烹饪附件设置在烹饪器具上，改善了食材与水的分离机制，食材与水的分离变得可控。
根据本申请的烹饪器具的控制方法包括以下步骤：在所述烹饪器具的烹饪过程中，判断所述烹饪器具当前所处的烹饪阶段，其中，所述烹饪器具的烹饪阶段包括沸腾阶段；当所述烹饪器具处于所述沸腾阶段时，通过控制所述烹饪器具的加热部，以使所述烹饪腔内的液位在第一液位与第二液位之间变化。
根据本申请的烹饪器具的控制方法，当烹饪器具处于沸腾阶段时，烹饪器具通过控制烹饪器具的加热部，使加热部加热烹饪器具内的水，使水沸腾产生大量的气泡，其中一部分气泡会在介质置换部中储存起来，使介质置换部内的压强变大，在压力的作用下，将介质置换部中的水排出到烹饪腔中，当盛放部中的水位达到一定高度后，烹饪器具及时停止加热，介质置换部中的水蒸气会迅速溶解，然后烹饪腔内的水会流回介质置换部，使盛放部内的水位快速下降，从而可以使烹饪腔内的液位在第一液位与第二液位之间变化。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
图1是根据本申请实施例的烹饪器具的截面图；
图2是根据本申请实施例的烹饪器具放入米时的示意图；
图3是根据本申请实施例的烹饪器具内的水沸腾前的示意图；
图4是根据本申请实施例的烹饪器具内的水沸腾时的示意图；
图5是根据本申请实施例的烹饪器具蒸米饭时的示意图；
图6是根据本申请实施例的烹饪器具的盛放部和介质置换部的示意图；
图7是根据本申请实施例的烹饪器具的盛放部和介质置换部的另一个实施例的示意图；
图8是图7中的盛放部和介质置换部的剖视图；
图9是根据本申请实施例的烹饪器具的盛放部和介质置换部的另一个实施例的示意图；
图10是图9中的盛放部和介质置换部的另一个角度示意图；
图11是图9中的盛放部和介质置换部的剖视图；
图12是根据本申请实施例的烹饪器具的盛放部和介质置换部的另一个实施例的示意图；
图13是图12中的盛放部和介质置换部的剖视图；
图14是根据本申请实施例的烹饪器具的盛放部和介质置换部的另一个实施例的示意图；
图15是图14中的盛放部和介质置换部的剖视图；
图16是根据本申请实施例的烹饪器具的盛放部和介质置换部的另一个实施例的示意图；
图17是图16中的盛放部和介质置换部的另一个角度示意图；
图18是图16中的盛放部和介质置换部的剖视图；
图19是图16中的盛放部和介质置换部的爆炸图；
图20是根据本申请实施例的烹饪器具的介质置换部设置为介质置换板的示意图；
图21是根据本申请实施例的烹饪器具的盛放部的一个实施例的示意图；
图22是根据本申请实施例的烹饪器具的控制方法的流程图；
图23是根据本申请一些实施例的烹饪器具的结构示意图，其中盛放腔内没有液体；
图24是根据本申请一些实施例的烹饪器具的结构示意图，其中盛放腔内有液体进入；
图25是根据本申请一些实施例的烹饪器具的结构示意图，其中上盖部被打开；
图26是根据本申请一些可选实施例的烹饪器具的盛放组件的结构示意图。
图27是根据本申请一些可选实施例的烹饪器具的盛放组件的分解结构示意图；
图28是根据本申请另一些可选实施例的烹饪器具的盛放组件的分解结构示意图；
图29是根据本申请另一些可选实施例的烹饪器具的介质置换部的结构示意图，其中介质置换部被剖开；
图30是根据本申请再一些可选实施例的烹饪器具的盛放组件的结构示意图；
图31是根据本申请再一些可选实施例的烹饪器具的盛放组件的分解结构示意图；
图32是根据本申请一些实施例的烹饪器具的结构示意图；
图33是根据本申请另一些实施例的烹饪器具的结构示意图，其中盛放部内未进入液体；
图34是根据本申请另一些实施例的烹饪器具的结构示意图，其中盛放部内有液体进入；
图35是根据本申请一些实施例的烹饪器具的结构示意图，其中水未沸腾；
图36是根据本申请一些实施例的烹饪器具的结构示意图，其中水刚开始沸腾；
图37是根据本申请一些实施例的烹饪器具的结构示意图，其中水沸腾了一段时间；
图38是根据本申请另一些实施例的烹饪器具的结构示意图，其中水未沸腾；
图39是根据本申请另一些实施例的烹饪器具的结构示意图，其中水沸腾了一段时间。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或可以互相通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下面参考图1-图22描述本申请实施例的烹饪器具10。
如图1-图22所示，根据本申请实施例的烹饪器具10，烹饪器具10可以为电饭煲、电压力锅、电炖锅、电磁炉或者养生壶，本申请以烹饪器具10为电饭煲为例进行说明， 但这并非是对本申请保护范围的限制。本领域的普通技术人员在阅读了本申请的说明书之后，在知悉本申请的技术构思的情况下，显然可以将本申请的烹饪器具10应用于电压力锅、电炖锅、电磁炉或者养生壶等。
在一些实施例中，烹饪器具10可以包括：本体部1、盛放部2和介质置换部3，盛放部2用于盛放食材，例如米。本体部1内具有烹饪腔11，在一些实施例中，烹饪腔11可以是本体部1的锅体部12和上盖部13所限定形成的空腔。
盛放部2设置于烹饪腔11内。介质置换部3设置于烹饪腔11内，介质置换部3用于实现第一介质39与第二介质31的替换，从而改变烹饪腔11内的液位。
例如，介质置换部3设置成利用第一介质39(如图4)替换位于介质置换部3内的液态的第二介质31(如图4)，从而使得被替换的第二介质31能够排出介质置换部3，使第二介质31流入烹饪腔11，从而可以改变烹饪腔11内的液位。这里，第一介质39可以来自于介质置换部3之外，通过进入到介质置换部3内实现对第二介质31的替换；或者，第一介质39可以来自于介质置换部3内部，例如通过加热介质置换部3内的液体如水，使得内部形成气态的第一介质39，第一介质39可以从内部将液态的水排出介质置换部3之外；当然，第一介质39的来源也可以采用上述两种可行方式的结合，但不限于此。
又如，介质置换部3还设置成利用处在介质置换部3之外且为液态的第二介质31进入到介质置换部3内以占据由第一介质39占用的至少一部分空间，从而使得烹饪腔11内的液位下降，在液位下降的过程中，液体会冲刷大米，使大米内的糖减少。换言之，液态的第二介质31可以进入到介质置换部3内，从而占据先前由第一介质39占有的至少一部分空间，比如，当烹饪器具10停止加热或者加热功率降低时，介质置换部3内的第一介质39如水蒸气液化，介质置换部3之外的液态的第二介质31如水则会进入到介质置换部3之内，替换先前第一介质39所占用的空间。
而且，盛放部2能够与烹饪腔11连通，第二介质31流入烹饪腔11后，可以使盛放部2内的液位可变。需要说明的是，第一介质39可以是水蒸气，第二介质31可以是水，但本申请不限于此。
其中，烹饪器具10例如电饭煲的工作过程主要包括沸腾阶段和蒸米阶段，在沸腾阶段，电饭煲以周期性加热为主，电饭煲的控制程序中设置周期T，T满足关系式：32秒≥T≥4秒，周期调功比为a，a满足关系式：1≥a≥1/8，沸腾阶段总持续时间t1，t1满足关系式：15分钟≥t1≥3分钟。在沸腾阶段结束后，电饭煲进入蒸米阶段，在蒸米阶段，米水分离，控制程序保持米汤温度为b,b满足关系式110度≥b≥80度，整个蒸米阶段总持续时间t2,t2满足关系式：30分钟≥t2≥3分钟。
具体地，电饭煲的具体工作过程为：电饭煲在烹饪过程中，首先将适量清水倒入烹饪腔11，然后将盛放部2和介质置换部3放入到烹饪腔11内，使烹饪腔11内的水位大致没过介质置换部3(当然也可以适当高于介质置换部3或者适当低于介质置换部3)，再将洗好的大米放入盛放部2内，需要说明的是，大米放入盛放部2内后，大米与水可以完全分离，水也可以没过一部分大米，水还可以没过全部大米。如图3所示，此时的米水可以是分离的，即米在上方，水在下面，米没有浸泡在水中。
如图4所示，电饭煲开始加热烹饪腔11，当烹饪腔11内的水沸腾时，烹饪腔11内的水会产生大量的气泡，其中一部分气泡会在介质置换部3中储存起来，使介质置换部3内的压强变大，在压力的作用下，将介质置换部3中的水排出到烹饪腔11中，使得烹饪腔11中的水面升高，由于盛放部2与烹饪腔11连通，介质置换部3中的水流入烹饪腔11后，烹饪腔11内的水会流入盛放部2，此时，整个盛放部2中的水位就会上升，没过大米，如图4所示，实现对大米的一煮。
当盛放部2中的水位达到一定高度后，通过时间传感器或者信号传感器感知后或通过其它公知手段，电饭煲及时停止加热，介质置换部3中的水蒸气会迅速冷却液化，介 质置换部3内的压力随之消减，然后烹饪腔11内的水会流回介质置换部3，使盛放部2内的水位快速下降，盛放部2内的水位下降过程中，盛放部2内的水穿过大米下落，盛放部2内的水会对大米进行冲刷，并且，电饭煲在烹饪的过程中，电饭煲也可以间断性地实现米水分离，例如电饭煲通过控制加热等效功率等控制程序，使电饭煲对烹饪腔11反复加热并停止，在电饭煲对烹饪腔11反复加热过程中，盛放部2内的水会反复地的上升和回落，水在反复地的上升和回落过程中冲刷大米，然后清水逐渐变成米汤。在沸腾阶段结束后，电饭煲进入蒸米阶段，在蒸米阶段，米水分离，控制程序保持米汤温度在80度以上，使米饭蒸熟或者焖熟。
并且，电饭煲在沸腾阶段，通过水反复冲刷大米，能够进一步降低大米中糖的含量，用户食用完大米后，可以使用户不容易发胖，同时，也能够使大米受热均匀，可以使大米充分吸收水分，从而可以防止米饭夹生，进而可以提升米饭的口感。
并且，在蒸米阶段，由于电饭煲内的水经过前期蒸发和大米的吸水，原来的水位会降低，为了保证大米与水分离以及蒸饭效果，防止米汤对米饭进行浸泡，最终烹饪腔11内的水位到最底层米饭的距离大于等于4mm。
另外，当介质置换部3的体积不变时，可以使用气体充放装置向介质置换部3内充气，使介质置换部3内的压强变大，从而使烹饪腔11内的液位上升，需要烹饪腔11内的液位下降时，可以使用气体充放装置从介质置换部3内抽气，使介质置换部3内的压强降低，从而可以达到液位降低的效果。并且，当介质置换部3的体积可变时，使用气体充放装置向介质置换部3内充气或者抽取介质置换部3内的气体，也可以实现烹饪腔11内液位上升和下降的功能。
例如，在本申请的一些具体示例中，在烹饪的过程中，可以通过外部充气机构对介质置换部3进行充气，以实现盛放部2内的液位的变化，并且，介质置换部3的体积可以随着充气量发生变化。这样，当不需要进行介质置换时，介质置换部3的体积可以较小，减少对烹饪腔11的占用，并且，在充气时可以增加体积，以提升容纳气体的量，进一步增大液体的置换量，使得盛放部2内的液面上升更为明显，利于提升烹饪效果。
由此，通过本体部1、盛放部2和介质置换部3配合，改善了食材与水的分离机制，利用介质置换部3实现介质的置换，使得烹饪腔11内的液位可调，食材与水的分离变得可控。米放入到烹饪器具10内后，可以使烹饪器具10做出的米饭利于糖尿病患者食用，并且，烹饪器具10在沥米饭时，水会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
在本申请的一些实施例中，介质置换部3可以构造为气液置换部3，气液置换部3可以设置成利用气态的第一介质39替换液态的第二介质31，具体地，电饭煲将烹饪腔11内的水加热至沸腾的过程中，气液置换部33内的水蒸气会逐渐增多，然后气液置换部33内的压力逐渐变大，将气液置换部33内的水压入烹饪腔11，从而可以实现烹饪腔11内的水位上升的工作目的，进而可以实现盛放部2水位上升的工作目的。
在本申请的一些实施例中，如图10、图12、图14和图17所示，气液置换部33可以包括：第一介质进口32和第二介质出口33，第一介质进口32允许第一介质39进入到气液置换部33内，第二介质出口33允许第二介质31从气液置换部33内排出。其中，电饭煲将烹饪腔11内的水加热至沸腾的过程中，水蒸气会通过第一介质进口32进入至气液置换部33内，然后气液置换部33内的压力逐渐变大，可以将气液置换部33内的水从第二介质出口33压入烹饪腔11，从而可以实现用第一介质39替换气液置换部3内的第二介质31的工作目的。
在本申请的一些实施例中，第一介质进口32和第二介质出口33可以设置为同一开口，而且第一介质进口32和第二介质出口33形成在气液置换部33的底部，这样设置能够简化气液置换部33的结构，可以节约气液置换部33的加工时间，从而可以提升气液置换部33的生产效率，并且，也能够省去加工开口的数量，可以节省大量人力，从 而可以降低气液置换部33的制造成本。并且，通过底部共用开口，水蒸气更易进入，水也更易排出。
在本申请的一些实施例中，如图6所示，介质置换部3与盛放部2连接，如此设置能够使介质置换部3与盛放部2形成整体结构，可以使介质置换部3与盛放部2一起放入和拿出烹饪腔11，从而可以便于介质置换部3的清洗，进而可以提升用户满意度。
在本申请的一些实施例中，介质置换部3至少部分地设置在盛放部2的下方，也就是说，可以将介质置换部3的一部分结构设置在盛放部2的下方，也可以将介质置换部3的全部结构设置在盛放部2的下方，在上下方向上，这样设置能够减小介质置换部3和盛放部2的整体投影面积，在烹饪腔11的尺寸大小一定的情况下，可以便于将介质置换部3和盛放部2放入烹饪腔11。而且，通过调整介质置换部3与盛放部2的高度，可以更好地适应全品类烹饪器具，满足电饭煲、电压力锅、电磁炉等不同烹饪器具要求。
在本申请的一些实施例中，如图19所示，介质置换部3可以包括：介质置换部周壁34，介质置换部周壁34的顶部贴合盛放部2的底面，从而形成一定密封，防止水蒸气逃逸，也可以理解为，介质置换部周壁34的顶部与盛放部2的底面连接，如此设置能够使盛放部2的底面封闭介质置换部3的顶端，水蒸气从第一介质进口32进入介质置换部3后，可以避免水蒸气从介质置换部3的顶端流出介质置换部3，从而可以保证水蒸气能够存储在介质置换部3内，进而可以保证将介质置换部3内的水压入烹饪腔11。
在本申请的一些实施例中，如图19所示，介质置换部周壁34的顶部设置有环形翻边35，环形翻边35与盛放部2的底面贴合，环形翻边35与盛放部2的底面可拆卸地相连。其中，介质置换部3与盛放部2装配在一起后，环形翻边35与盛放部2的底面装配在一起，环形翻边35与盛放部2的接触面积大于介质置换部周壁34与盛放部2的接触面积，通过设置环形翻边35，能够增大介质置换部3与盛放部2的安装面积，可以将介质置换部3与盛放部2更好地装配在一起，从而可以提升介质置换部3与盛放部2的整体结构强度。并且，能够保证介质置换部3与盛放部2连接处的密封性，可以进一步避免水蒸气从介质置换部3的顶端流出介质置换部3。同时，水在沸腾过程中会形成大量的水蒸气，水蒸气具有浮力，这样设置可以防止介质置换部3抖动，从而可以降低电饭煲工作时的噪音。
在本申请的一些实施例中，介质置换部周壁34与盛放部2融合为一体，如此设置能够将介质置换部3与盛放部2设置为一体成型件，可以提升介质置换部3与盛放部2的整体结构强度和刚度，从而可以防止介质置换部3与盛放部2分离，进而可以保证烹饪器具10的工作可靠性。例如，介质置换部周壁34与盛放部2为注塑一体件。
在一些实施例中，介质置换部周壁34与盛放部2还可以采用卡接、焊接或者铆接相连，这样设置能够将介质置换部3与盛放部2可靠地装配在一起，可以进一步避免介质置换部3与盛放部2分离，并且，也可以便于介质置换部3与盛放部2的装配，从而可以进一步提升介质置换部3与盛放部2的装配效率。
在本申请的一些实施例中，如图9-图11所示，介质置换部3可以包括介质置换部周壁34，盛放部2可以包括盛放部周壁21，介质置换部周壁34从盛放部周壁21的下端向下延伸，如此设置能够提升介质置换部3与盛放部2的结构一致性，可以提升介质置换部3与盛放部2的整体美观性。
在本申请的一些实施例中，如图9-图11所示，介质置换部周壁34与盛放部周壁21均构造为圆环形，而且介质置换部周壁34与盛放部周壁21的直径相等，这样设置能够使介质置换部3的横截面积等于盛放部2的横截面积，可以进一步提升介质置换部3与盛放部2的结构一致性，且还提升了介质置换部3可置换的体积。
在本申请的一些实施例中，如图14和图15所示，介质置换部周壁34的直径渐变，介质置换部周壁34的小径端(如图15的上端)与盛放部周壁21相连，介质置换部周 壁34的大径端(如图15的下端)为自由端，而且介质置换部周壁34的大径端向着远离盛放部2的方向延伸。其中，如图15所示，介质置换部周壁34的小径端为介质置换部3的上端，介质置换部周壁34的大径端为介质置换部3的下端，如此设置能够避免介质置换部周壁34阻挡介质置换部3内的水蒸气和水流出介质置换部3，可以加快介质置换部3内水的流出速度，从而可以加快烹饪腔11内的水位上升速度。
在本申请的一些实施例中，如图7和图8所示，盛放部2的底部形成有盛放部凹部22，盛放部凹部22可以构造为介质置换部3，这样设置能够使介质置换部3与盛放部2一体成型，可以避免单独生产介质置换部3，从而可以减少生产模具的开发，进而可以降低烹饪器具10的生产成本。
在本申请的一些实施例中，如图8所示，盛放部2可以包括盛放部底壁23和盛放部周壁21，盛放部底壁23的至少一部分向上隆起以形成盛放部凹部22，如此设置能够使盛放部凹部22设置在盛放部底壁23上，盛放部2放入烹饪腔11内后，可以保证盛放部凹部22内储存有水，从而可以使盛放部凹部22的布置位置更加合理。而且，这种集成设计也降低了成本，同时方便用户使用。
在本申请的一些实施例中，盛放部凹部22可以布置在盛放部底壁23的中心区域，其中，当水蒸气进入盛放部凹部22后，盛放部凹部22内的压力会变大，水蒸气会施加给盛放部2力，这样设置能够使盛放部2的受力更加均匀(气压作用在盛放部上形成向上浮力)，可以避免盛放部2倾斜，从而可以保证大米均匀地盛放在盛放部2内，而且通过居中布置，使得排出的水能够均匀地向四周扩散，烹饪腔内液面上升速度相对更快更均匀。
在本申请的一些实施例中，如图12和图13所示，介质置换部3可以构造为环形结构36，需要解释的是，在介质置换部3的周向方向上，介质置换部3为封闭的环形结构36，如此设置能够形成介质置换部3，可以使介质置换部3的结构更加简单，从而可以更加方便介质置换部3的生产。
在本申请的一些实施例中，介质置换部3可以设置在盛放部2的盛放部底壁23上，当盛放部2放入烹饪腔11内后，这样设置能够便于水流入介质置换部3，可以保证介质置换部3内存储有水，从而可以保证盛放部2内的水位能够上升和下降，进而可以保证烹饪器具10的工作可靠性。
在本申请的一些实施例中，如图12和图13所示，为环形结构的介质置换部3可以包括：置换部外周壁37和置换部内周壁38，置换部外周壁37和置换部内周壁38分别连接至盛放部底壁23，置换部外周壁37套设在置换部内周壁38的外侧，而且置换部外周壁37和置换部内周壁38在径向方向上间隔开布置。
在本申请的一些实施例中，如图20所示，介质置换部3可以构造为具有凹入结构的介质置换板39，介质置换部3放入烹饪腔11内后，水可以存储在介质置换部3的凹入结构内，当烹饪器具10工作时，水蒸气可以进入凹入结构内，从而可以将凹入结构内的水压入烹饪腔11，该实施例结构更加简单。
在本申请的一些实施例中，介质置换板39具有内凹面391和外凸面392，外凸面392朝向盛放部2并与盛放部2相连，内凹面391背离盛放部2，如此设置能够保证水和水蒸气存储在介质置换板39的内凹面391所形成的内凹空间内，可以保证第一介质39和第二介质31能够在介质置换板39的内凹空间内随意替换。
在本申请的一些实施例中，如图18所示，介质置换部3还配置有与介质置换部3内连通且用于排气的排气微孔5。其中，烹饪器具10内的水沸腾前，盛放部2内的大米与水是分离的，此时，介质置换部3内充满水或者部分充水，水沸腾时，介质置换部3下方的水产生水蒸气，由于产生大量水蒸气，通过排气微孔5无法将介质置换部3内的水蒸气及时排除到外面，介质置换部3内的压强逐渐增大，从而把介质置换部3的水逐步排出，最终介质置换部3内可全部为水蒸气，盛放部2内的水位上升浸过米面，使 大米充分均匀吸水，水沸腾一定时间后(一般为4～10分钟)，停止加热或者小功率加热一定时间(10～30分钟)，此时介质置换部3内的空气冷却，米汤下降，排气微孔5能加快米汤回流的速度，此时米汤不会浸过米面，同时可以维持米饭的温度在80℃或者80℃以上，使米饭能够蒸熟或者焖熟。
在本申请的一些实施例中，如图18所示，介质置换部3可以包括：介质置换部周壁34，排气微孔5可以设置在介质置换部周壁34上，而且排气微孔5位于介质置换部周壁34的中上部，也就是说，排气微孔5设置在介质置换部周壁34的中上部。其中，将介质置换部3放入烹饪腔11时，水进入介质置换部3的过程中，介质置换部3内的气体可以从排气微孔5排出介质置换部3，从而可以保证水能够顺利进入介质置换部3，并且，在水回流至介质置换部3内的过程中，可以提升盛放部2内的水位下降迅速。
在本申请的一些实施例中，如图7、图10、图12、图14和图17所示，介质置换部3可以包括：介质置换部周壁34，介质置换部周壁34连接在盛放部2的盛放部底壁23上，排气微孔5开设在盛放部底壁23上。其中，将介质置换部3放入烹饪腔11时，能够使水快速流入介质置换部3，可以保证介质置换部3内不密封气体，从而可以保证介质置换部3与盛放部2、介质置换部3与烹饪腔11连通，并且，水不沸腾时，介质置换部3内的气体可以从排气微孔5快速排出，从而可以使盛放部2内的水位快速下降。
在本申请的一些实施例中，排气微孔5可以设置为一个，而且排气微孔5布置在盛放部底壁23的中心处，如此设置能够使盛放部2内的水从排气微孔5流入介质置换部3，可以使盛放部2内的水均匀冲刷大米，也可以使大米受热更加均匀，从而可以提升米饭的口感。但本申请不限于此，排气微孔5也可以设置为多个，并且，排气微孔5的形状不做限定，例如：排气微孔5可以是圆孔、三角孔等。
在本申请的一些实施例中，排气微孔5的排气面积为3mm2-20mm2，进一步优选为5mm2-10mm2。其中，若排气微孔5的排气面积大于20mm2，水沸腾时，介质置换部3内的水蒸气就会从排气微孔5流出介质置换部3，介质置换部3内就不会存储有水蒸气，若排气微孔5的排气面积小于3mm2，水不沸腾时，会导致盛放部2内的水回流不及时，因此，这样设置可以保证盛放部2内的水位能够上升，也可以使盛放部2内的水快速回流至介质置换部3内。
在本申请的一些实施例中，如图4所示，盛放部2上可以设置有盛放部通孔24，盛放部通孔24用于连通烹饪腔11与盛放部2的内部空间。其中，烹饪腔11内的水位上升时，烹饪腔11内的水能够从盛放部通孔24流入盛放部2，可以使沸腾的水进行煮大米和冲刷大米，并且，水不沸腾时，烹饪腔11内的水能够从盛放部通孔24流出盛放部2，可以使水与大米分离，同时，由于水沸腾时产生大量水蒸气，有一部分水蒸气可以从盛放部通孔24排出烹饪腔11。
在本申请的一些实施例中，如图17所示，盛放部2可以包括：盛放部周壁21和盛放部底壁23，盛放部通孔24可以包括：周壁通孔241，周壁通孔241可以设置于盛放部周壁21，周壁通孔241可以设置为多个，如此设置能够使水快速流入和流出盛放部2，可以减小水浸泡大米的时间。
在本申请的一些实施例中，如图17和图21所示，盛放部2可以包括：盛放部周壁21和盛放部底壁23，盛放部通孔24可以包括：底壁通孔242，底壁通孔242可以设置于盛放部底壁23，烹饪器具10没有对水加热时，这样设置能够使底壁通孔242到水面的距离最小，可以更加方便水从底壁通孔242流入盛放部2，也可以使盛放部2内的水从底壁通孔242流出盛放部2，从而可以使水更好地冲刷大米。
简言之，本申请的优选实施方式为，同时配置周壁通孔241和底壁通孔242，水可以从周壁通孔241和底壁通孔242进入到盛放部2内，由于底壁通孔242可能被米部分遮挡，因此大部分水将从周壁通孔241进入，这样向下冲刷米，最后盛放部2内的水可以通过底壁通孔242流回至烹饪腔11。周壁通孔241和底壁通孔242的设置可以等同 为高位通孔241和低位通孔242，高位通孔241的高度大于低位通孔242的高度，水通过高位通孔241进入盛放部2内，并从低位通孔242排出，从而对位于高位通孔241和低位通孔242之间的食材例如米进行冲刷、搅拌。
在本申请的一些实施例中，底壁通孔242环绕在介质置换部3的径向外侧，也可以理解为，在介质置换部3的周向方向上，多个底壁通孔242环绕在介质置换部3的外侧，如此设置能够使烹饪腔11内的水更加快速流入盛放部2，可以保证水流入盛放部2后的温度，从而可以使水更好地煮大米。
在本申请的一些实施例中，如图12所示，介质置换部3可以构造为环形结构36，而且介质置换部3可以包括：置换部外周壁37和置换部内周壁38，置换部内周壁38围绕底壁通孔242，这样设置能够使介质置换部3内的水从底壁通孔242直接流入和流出盛放部2，可以减小水的热量散失，从而可以进一步保证水流入盛放部2后的温度。
在本申请的一些实施例中，如图2所示，本体部1可以包括：锅体部12和上盖部13，盛放部2支撑并伸入到锅体部12内。其中，烹饪器具10烹饪米饭时，上盖部13将盛放部2盖上，如此设置能够减少烹饪器具10内水沸腾所需的时间，可以减小烹饪米饭所需时间，并且，也能够避免外界物体进入烹饪器具10内，可以保证米饭清洁卫生，从而可以保证用户的食用安全性，同时，也能够防止水蒸气迅速流出烹饪器具10，可以保证介质置换部3内气体的压强，从而可以保证水位能够上升和下降。
在本申请的一些实施例中，本体部1可以包括：锅体部12和上盖部13，盛放部2设置于上盖部13。
在本申请的一些实施例中，烹饪器具10可以设置为电饭煲、电压力锅、电炖锅、电磁炉或者养生壶，如此设置能够提升电饭煲、电压力锅、电炖锅、电磁炉、养生壶的工作性能，可以提升电饭煲、电压力锅、电炖锅、电磁炉、养生壶的市场竞争力。
在本申请的一些实施例中，介质置换部周壁34可以设置为圆环形，介质置换部3的内部空间在垂直于烹饪器具10的中心轴线的投影面上的正投影面积为S1，烹饪器具10还可以包括：加热部，加热部在投影面上的正投影面积为S2，其中，S1和S2满足关系式：S1≥1/3S2，进一步满足为：S1≥1/2S2。
其中，若介质置换部3的内部空间在垂直于烹饪器具10的中心轴线的投影面上的正投影面积与加热部在投影面上的正投影面积的重合区域太小，介质置换部3下方的水形成水蒸气的量会不足，导致水蒸气较少，介质置换部3内排水速度缓慢，也就是说，烹饪器具10内水位上升速度缓慢，由此，这样设置能够保证介质置换部3的下方形成充足的水蒸气，可以提升介质置换部3内的排水速度，从而可以提升烹饪器具10内水位上升速度。
在本申请的一些实施例中，介质置换部3的内部空间的体积V满足关系式：V≥80ml，V进一步满足，80Nml≤V≤200Nml，V再进一步满足，100Nml≤V≤180Nml。其中，烹饪器具10烹饪米饭时的最大烹饪量为N杯米，每杯米为140g-160g。
具体地，烹饪器具10烹饪米饭时的最大烹饪量为1杯米时，介质置换部3的内部空间的体积V满足关系式：100Nml≤V≤180Nml，最大烹饪量为2杯米时，介质置换部3的内部空间的体积V满足关系式：200ml≤V≤360ml，最大烹饪量为3杯米时，介质置换部3的内部空间的体积V满足关系式：300ml≤V≤540ml，如此设置能够保证介质置换部3的内部空间内存储足够的水，水沸腾时，可以保证烹饪器具10内水位上升足够的高度，从而可以保证沸腾的水没过大米。
如图1-图21所示，根据本申请实施例的用于烹饪器具10的烹饪附件4包括：盛放部2和介质置换部3，盛放部2和介质置换部3均设置于烹饪器具10的烹饪腔11内，介质置换部3连接于盛放部2，介质置换部3设置成适于利用第一介质39替换位于介质置换部3内的液态的第二介质31，从而使得被替换的第二介质31能够排出介质置换部3以改变盛放部2内的液位。
如图1-图21所示，根据本申请实施例的用于烹饪器具10的烹饪附件4，烹饪附件4适于设置在烹饪器具10内部，烹饪附件4包括：盛放篮2和气液置换部3，盛放篮2为上述实施例的盛放部2，气液置换部3为上述实施例的介质置换部3。盛放篮2具有盛放篮周壁21和盛放篮底壁23，盛放篮周壁21上设置有周壁通孔241，需要说明的是，盛放篮周壁21为上述实施例的盛放部周壁21，盛放篮底壁23为上述实施例的盛放部底壁23。气液置换部3设置在盛放篮底壁23的下表面上，气液置换部3的下端敞开以允许水蒸气进入气液置换部3，并且允许气液置换部3内的液体排出气液置换部3。
其中，气液置换部3内的液体排出气液置换部3后，烹饪器具10内的水位会上升，然后沸腾的水会从周壁通孔241和/或排气微孔5和/或底壁通孔242流入盛放篮2，然后水会进行煮大米，通过烹饪腔11、盛放部2和介质置换部3配合，米放入到烹饪器具10内，水逐渐沸腾后，盛放部2内的水会对大米进行冲刷且回流至烹饪腔11，水在冲刷大米时，能够带走大米里的糖，可以使烹饪器具10做出的米饭利于糖尿病患者食用，并且，烹饪器具10在沥米饭时，水会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
在本申请的一些实施例中，气液置换部3可以包括气液置换部周壁34，气液置换部周壁34为上述实施例的介质置换部周壁34，气液置换部周壁34与盛放篮底壁23相连，盛放篮底壁23上还可以设置有底壁通孔242，底壁通孔242环绕气液置换部周壁34。其中，烹饪器具10没有对水加热时，这样设置能够使底壁通孔242到水面的距离最小，可以更加方便水从底壁通孔242流入盛放篮2，也可以使盛放篮2内的水从底壁通孔242流出盛放篮2，从而可以使水更好地冲刷大米。
在本申请的一些实施例中，如图8所示，盛放篮底壁23的至少一部分向上隆起，隆起的部分构造为气液置换部3，如此设置能够使气液置换部3与盛放篮2构造为一个整体，可以提升盛放篮2的整体结构强度。
如图1-图5所示，根据本申请实施例的烹饪器具10，包括上述实施例的烹饪附件4，烹饪附件4设置安装在烹饪器具10上，根据本申请的烹饪器具10，改善了食材与水的分离机制，利用介质置换部3实现介质的置换，使得烹饪腔11内的液位可调，食材与水的分离变得可控。
如图22所示，根据本申请实施例的烹饪器具10的控制方法包括以下步骤：在烹饪器具10的烹饪过程中，判断烹饪器具10当前的烹饪阶段，其中，烹饪器具10的烹饪阶段包括沸腾阶段，当烹饪器具10处于沸腾阶段时，烹饪器具10通过控制烹饪器具10的加热部，使加热部加热烹饪器具10内的水，使水沸腾产生大量的气泡，其中一部分气泡会在介质置换部3中储存起来，使介质置换部3内的压强变大，在压力的作用下，将介质置换部3中的水排出到烹饪腔11中，当盛放部2中的水位达到一定高度后，通过时间传感器或者信号传感器感知后，烹饪器具10及时停止加热，介质置换部3中的水蒸气会迅速溶解，然后烹饪腔11内的水会流回介质置换部3，使盛放部2内的水位快速下降，从而可以使烹饪腔11内的液位在第一液位与第二液位之间变化。
在本申请的一些实施例中，控制烹饪器具10的加热部，可以使烹饪腔11内的液位在第一液位与第二液位之间变化，包括：以第一调功比和第二调功比控制加热部进行交替加热，其中，通过以第一调功比控制加热部进行加热，可以使盛放部2内的液位上升至第一液位，并通过以第二调功比控制加热部进行加热，可以使盛放部2内的液位下降至第二液位，其中，第二调功比小于第一调功比，第二液位低于第一液位，这样设置能够实现盛放部2内的液位在第一液位与第二液位之间变化的工作目的。
在本申请的一些实施例中，第二调功比和第一调功比的取值范围为大于等于1/8且小于等于1，加热部的加热周期为大于等于4秒且小于等于32秒，其中，在每个加热周期内，都以第一调功比和第二调功比控制加热部进行加热，如此设置能够保证盛放部2内的液位在第一液位与第二液位之间变化，可以避免水长时间浸泡大米。
在本申请的一些实施例中，控制烹饪器具10的加热部，可以使烹饪腔11内的液位在第一液位与第二液位之间变化，包括：以第一功率控制加热部进行加热工作，可以使烹饪腔11内的液位上升至第一液位，在烹饪腔11内的液位上升至第一液位之后，烹饪器具10控制加热部停止加热或者控制加热部减小加热功率，可以使烹饪腔11内的液位下降至第二液位，其中，第二液位低于第一液位。
在本申请的一些实施例中，烹饪器具10的烹饪阶段还可以包括蒸米阶段，方法还可以包括：当烹饪器具10处于蒸米阶段时，烹饪器具10通过控制烹饪器具10的加热部，可以使烹饪腔11内的米汤温度维持在预设温度范围内，从而可以保证能够将米饭蒸熟。
在本申请的一些实施例中，预设温度范围为大于等于80摄氏度且小于等于110摄氏度，如此设置能够使米汤温度维持在适宜的温度范围内，可以进一步保证将米饭蒸熟，从而可以保证米饭的烹饪质量。
在本申请的一些实施例中，当烹饪器具10处于蒸米阶段时，烹饪腔11内的液位低于盛放部2的底壁，而且烹饪腔11内的液位与盛放部2的底壁的距离大于等于4mm，这样设置能够保证大米与米汤分离，也能够保证蒸饭效果，可以防止米汤对米饭进行浸泡，从而可以避免米汤与米饭接触。
在本申请的一些实施例中，当沸腾阶段持续第一预设时间之后，烹饪器具10进入蒸米阶段，而且蒸米阶段持续第二预设时间，如此设置能够使大米的受热更加均匀，可以使大米吸水足够的水分，从而可以进一步防止米饭夹生，进而可以提升米饭的口感。
在本申请的一些实施例中，第一预设时间的取值范围为大于等于3分钟且小于等于15分钟，第二预设时间的取值范围为大于等于3分钟且小于等于30分钟，这样设置能够更好地使大米的受热均匀，可以进一步使大米吸水足够的水分，从而可以进一步防止米饭夹生，进而可以提升米饭的口感。
在本申请的一些实施例中，如图23-31所示，烹饪器具10可以为电饭煲、电压力锅、电炖锅、电磁炉或者养生壶等，在下面的描述中，将以烹饪器具10为电饭煲为例进行说明，但这并非是对本申请保护范围的限制。本领域的普通技术人员在阅读了本申请的说明书之后，在知悉本申请的技术构思的情况下，显然可以将本申请的烹饪器具10应用于电压力锅、电炖锅、电磁炉或者养生壶等。
参照图23至图27所示，在一些实施例中，烹饪器具10可以包括：本体部1和盛放组件230。本体部1内具有烹饪腔11，在一些实施例中，烹饪腔11可以是本体部1的锅体部12和上盖部13所限定形成的空腔。盛放组件230设在烹饪腔11内。并且，盛放组件230具有盛放腔231和介质置换腔232。盛放腔231可以用于盛放食材，例如米。
盛放组件230可以用于实现第一介质39与第二介质31的替换，从而改变烹饪腔11内的液位。如盛放组件230可以设置成利用第一介质39替换位于介质置换腔232内的液态的第二介质31，从而使得被替换的第二介质31能够排出介质置换腔232，并进入烹饪腔11内以改变烹饪腔11内的液位。
这里，第一介质39可以来自于介质置换腔232之外，通过进入到介质置换腔232内实现对第二介质31的替换，例如从外界向介质置换腔232内泵入气体；或者，第一介质39可以来自于介质置换腔232内部，例如通过加热介质置换腔232内的液体如水，使得内部形成气态的第一介质39，第一介质39可以从内部将液态的水排出介质置换腔232之外；当然，第一介质39的来源也可以采用上述两种可行方式的结合，但不限于此。
介质置换腔232还设置成利用处在介质置换腔232之外且为液态的第二介质31进入到介质置换腔232内以占据由第一介质39占用的至少一部分空间，从而使得烹饪腔11内的液位下降，在液位下降的过程中，液体会冲刷大米，使大米内的糖减少。换言 之，液态的第二介质31可以进入到介质置换腔232内，从而占据先前由第一介质39占有的至少一部分空间。
可选地，在一些实施例中，当烹饪器具10停止加热或者加热功率降低时，介质置换腔232内的第一介质39如水蒸气液化，介质置换腔232之外的液态的第二介质31如水则会进入到介质置换腔232之内，替换先前第一介质39所占用的空间。再例如，在另一些实施例中，当介质置换腔232内的至少一部分第一介质39如空气被抽出时，介质置换腔232之外的液态的第二介质31如水可以进入到介质置换腔232内，以替换被抽出的第一介质39。
而且，盛放腔231能够与烹饪腔11连通以使盛放腔231内的液位可变。具体地，第二介质31流入烹饪腔11后可以进入到本体部1与盛放组件230之间的间隙，并进一步进入到盛放腔231内，进入盛放腔231内的液体的量不同，会使盛放腔231的液面发生变化。可选地，第一介质39可以为水蒸汽或者空气，第二介质31可以为水，但本申请不限于此。
大米刚放入盛放部2内后，当盛放腔231的液面上下变化时，液体可以反复冲刷盛放腔231内的米，能够进一步降低大米中糖的含量，用户食用完大米后，可以使用户不容易发胖，同时，也能够使大米受热均匀，可以使大米充分吸收水分，从而可以防止米饭夹生，进而可以提升米饭的口感。
由此，通过本体部1和盛放组件230的配合，使米放入到烹饪器具10内后，烹饪器具10在沥米饭时，液体会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
盛放组件230可以由多个可拆卸连接的分体件233构成。与不可拆的一体成型和后期组合焊接等结构相比，根据本申请实施例中的上述分体可拆结构更便于进行制造，而且外观可选择的形态更多，例如圆形、方形等其他不规则形状等，使用更为灵活，同时用户便于拆卸后进行更方便地清洗，清洗死角少，用户体验性提升。
结合本申请的一些实施例，任意两个分体件233可以通过卡接结构或者磁吸结构相连，连接较可靠且拆装方便。本申请对于卡接结构和磁吸结构的具体结构不做特殊限制，可以采用多种结构，这是本领域技术人员容易理解的，在此不再详述。
可选地，卡接结构可以为旋转卡接结构、凹凸点卡接结构、上下式套卡接结构或左右滑动式卡接结构。这些结构均可以实现有效的卡接并且也便于拆装。
在本申请的一些实施例中，参照图23至图27所示，多个分体件233可以包括：盛放部2和介质置换部3。盛放部2内可以设有开口向上的盛放腔231，这样更便于放置食材。介质置换部3位于盛放部2的下方，并且介质置换部3与盛放部2可拆卸地连接，介质置换部3内设有开口向下的介质置换腔232，这样更易于收集第一介质39。
参照图27和图28，根据本申请的一些实施例，介质置换部3具有置换部顶壁32，盛放部2具有盛放部底壁23，置换部顶壁32和盛放部底壁23的其中一个设置有卡接凸部24，其中另一个设置有适于卡接在卡接凸部24内的卡接凹部331。由此，不仅便于制造，而且卡接效果好。
进一步地，卡接凸部24可以包括一个或多个凸点部25，卡接凹部331可以包括一个或多个贯通孔341，凸点部25与贯通孔341一一对应，每个凸点部25穿设并卡入对应的贯通孔341内。其中，多个凸点部25可以沿盛放组件230的周向间隔开设置，卡接效果好。
如图28和图29所示，凸点部25可以包括：柱部251和端头部252，柱部251可以穿设于贯通孔341，端头部252凸出地设在柱部251的端部，并且端头部252止挡在贯通孔341的一侧，以止挡柱部251脱出贯通孔341。可选地，沿柱部251的轴向，端头部252的两端中的至少一端可以构造有倒角253。倒角253可以在凸点部25与贯通孔341配合或者脱离配合时起到引导作用，在施力操作时使凸点部25更易于插入或移 出贯通孔341。
可选地，柱部251的轴向尺寸可以大于等于贯通孔341的轴向尺寸。由此，盛放部2和介质置换部3可以实现有效卡合，并且当柱部251的轴向尺寸大于贯通孔341的轴向尺寸时，盛放部2与介质置换部3在卡接时还可以具有一定的可活动性，可以减少盛放部2与介质置换部3之间的死角。
参照图28和图29所示，盛放部2设有定位部26，介质置换部3设有定位配合部35(即上述的环形翻边35)，定位部26与定位配合部35配合，以对盛放2和介质置换部3进行定位，使得盛放组件230的装配更准确。
本申请对于定位部26和定位配合部35的具体结构不做特殊限制，可选地，在本申请的一些实施例中，定位部26可以沿盛放部2的周向设于盛放部底壁23的定位凸筋，置换部顶壁32设置有敞开口321，定位配合部35可以由敞开口321的边沿形成，敞开口321的边沿可以外套在定位凸筋的外周面，定位效果较好。
在本申请的另一些实施例中，参照图30和图31所示，多个分体件233可以包括：盛放筒234和分隔板235。盛放筒234内可以设有上下贯通的筒腔2341。分隔板235可拆卸地设在盛放筒234内且将筒腔2341上下分隔成盛放腔231和位于盛放腔231的下方的介质置换腔232。可选地，盛放腔231的内径和介质置换腔232的内径可以相同也可以不同，可以灵活进行设置。
下面描述根据本申请一些具体实施例的烹饪器具10。该烹饪器具10为电饭煲，电饭煲的具体工作过程为：电饭煲在烹饪过程中，首先将适量清水倒入烹饪腔11，然后将盛放部2和介质置换部3放入到烹饪腔11内，使烹饪腔11内的水位大致没过介质置换部3(当然也可以适当高于介质置换部3或者适当低于介质置换部3)，再将洗好的大米放入盛放部2内，如图23所示，此时的米水可以是分离的，即米在上方的盛放部2内，水在下面，米没有浸泡在水中。
之后，电饭煲开始加热烹饪腔11，当烹饪腔11内的水被加热时，烹饪腔11内的水会产生大量的气泡(水蒸气)，其中一部分气泡会在介质置换部3中储存起来，使介质置换部3内的压强变大，在压力的作用下，将介质置换部3中的水排出到烹饪腔11中，使得烹饪腔11中的水面升高，由于盛放部2与烹饪腔11连通，介质置换部3中的水流入烹饪腔11后，烹饪腔11内的水会流入盛放部2，此时，整个盛放部2中的水位就会上升，没过大米，如图25所示，实现对大米的一煮。
当盛放部2中的水位达到一定高度后，通过时间传感器或者信号传感器感知后或通过其它公知手段，电饭煲及时停止加热，介质置换部3中的水蒸气会迅速冷却液化，介质置换部3内的压力随之消减，然后烹饪腔11内的水会流回介质置换部3，使盛放部2内的水位快速下降，盛放部2内的水位下降过程中，盛放部2内的水穿过大米下落，盛放部2内的水会对大米进行冲刷，并且，电饭煲在烹饪的过程中，电饭煲也可以间断性地实现米水分离，例如电饭煲通过控制加热等效功率等控制程序，使电饭煲对烹饪腔11反复加热并停止，在电饭煲对烹饪腔11反复加热过程中，盛放部2内的水会反复地的上升和回落，水在反复地的上升和回落过程中冲刷大米，然后清水逐渐变成米汤。在水沸腾阶段结束后，电饭煲进入蒸米阶段，在蒸米阶段，米水分离，控制程序保持米汤温度在80度以上，使米饭蒸熟或者焖熟。
并且，电饭煲在水沸腾阶段，通过水反复冲刷大米，能够进一步降低大米中糖的含量，用户食用完大米后，可以使用户不容易发胖，同时，也能够使大米受热均匀，可以使大米充分吸收水分，从而可以防止米饭夹生，进而可以提升米饭的口感。
并且，在蒸米阶段，由于电饭煲内的水经过前期蒸发和大米的吸水，原来的水位会降低，为了保证大米与水分离以及蒸饭效果，防止米汤对米饭进行浸泡，在一些实施例中，最终烹饪腔11内的水位到最底层米饭的距离可以大于等于4mm。在本申请的另一些实施例中，也可以使水位线稍高于最底层米饭，这样位于上层的米饭仍然不能被水浸 泡到，同样可以减少米饭的最终含糖量。
可选地，结合本申请的一些实施例，介质置换腔232的体积可以变化，也可以不变化。在一些实施例中，介质置换腔232的体积不变，可以使用气体充放装置向介质置换腔232内充气，使介质置换腔232内的压强变大，从而使烹饪腔11内的液位上升，需要使介质置换腔232内的液位下降时，可以使用气体充放装置从介质置换腔232内抽气，使介质置换腔232内的压强降低，从而可以达到液位降低的效果。
在另一些实施例中，介质置换腔232的体积可变时，使用气体充放装置向介质置换腔232内充气或者抽取介质置换腔232内的气体，也可以实现烹饪腔11内液位上升和下降的功能。例如，在本申请的一些具体示例中，在烹饪的过程中，可以通过气体充放装置对介质置换腔232进行充气，以实现烹饪腔11内的液位的变化，并且，介质置换腔232的体积可以随着充气量发生变化。这样，当不需要进行介质置换时，介质置换腔232的体积可以较小，减少对烹饪腔11的占用，并且介质置换腔232在充气时可以增加体积，以提升容纳气体的量，进一步增大液体的置换量，使得烹饪腔11内的液面变化更为明显，更利于提升烹饪效果。
由此，通过本体部1、盛放部2和介质置换部3配合，米放入到烹饪器具10内后，烹饪器具10在沥米饭时，水会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
下面参考附图32-图34描述烹饪器具10。需要说明的是，烹饪器具10可以为电饭煲、电压力锅、电炖锅、电磁炉或者养生壶等，在下面的描述中，将以烹饪器具10为电饭煲为例进行说明，但这并非是对本申请保护范围的限制。本领域的普通技术人员在阅读了本申请的说明书之后，在知悉本申请的技术构思的情况下，显然可以将本申请的烹饪器具10应用于电压力锅、电炖锅、电磁炉或者养生壶等。
根据本申请实施例的烹饪器具是本申请的设计者根据对相关技术中的技术问题的发现以及原因分析的基础上所得到。
具体地，针对相关技术中所存在的大米量烹饪时出现的米饭不均匀且沥糖效果差的问题，本申请的设计者经过研究创造性的发现，相关技术中出现上述问题的主要原因是：大米量时，蒸笼内的米堆积较高，只靠从蒸笼底部进水，其水位很难漫过所有的米，从而造成上层的米偏硬甚至夹生。
有鉴于此，本申请的设计者进行了相关改进，从而得到本申请实施例的烹饪器具10。参照图32至图34所示，在一些实施例中，烹饪器具10可以包括：本体部1、盛放部2和介质置换部3，盛放部2用于盛放食材，例如米。本体部1内具有烹饪腔11，在一些实施例中，烹饪腔11可以是本体部1的锅体部12和上盖部13所限定形成的空腔。
盛放部2设置于烹饪腔11内，介质置换部3设置于烹饪腔11内。介质置换部3用于实现第一介质39与第二介质31的替换，从而改变烹饪腔11内的液位。
例如，介质置换部3设置成利用第一介质39替换位于介质置换部3内的液态的第二介质31，从而使得被替换的第二介质31能够排出介质置换部3，并进入烹饪腔11内。第二介质31流入烹饪腔11后，可以使盛放部2内的液位可变。这里，第一介质39可以来自于介质置换部3之外，通过进入到介质置换部3内实现对第二介质31的替换，例如从外界向介质置换部3内泵入气体；或者，第一介质39可以来自于介质置换部3内部，例如通过加热介质置换部3内的液体如水，使得内部形成气态的第一介质39，第一介质39可以从内部将液态的水排出介质置换部3之外；当然，第一介质39的来源也可以采用上述两种可行方式的结合，但不限于此。
又如，介质置换部3还设置成利用处在介质置换部3之外且为液态的第二介质31进入到介质置换部3内以占据由第一介质39占用的至少一部分空间，从而使得烹饪腔11内的液位下降，在液位下降的过程中，液体会冲刷大米，使大米内的糖减少。换言 之，液态的第二介质31可以进入到介质置换部3内，从而占据先前由第一介质39占有的至少一部分空间。
可选地，在一些实施例中，当烹饪器具10停止加热或者加热功率降低时，介质置换部3内的第一介质39如水蒸气液化，介质置换部3之外的液态的第二介质31如水则会进入到介质置换部3之内，替换先前第一介质39所占用的空间。再例如，在另一些实施例中，当介质置换部3内的至少一部分第一介质39如空气被抽出时，介质置换部3之外的液态的第二介质31如水可以进入到介质置换部3内，以替换被抽出的第一介质39。
而且，盛放部2能够与烹饪腔11连通，第二介质31流入烹饪腔11后可以进入到本体部1与盛放部2之间的间隙，并进一步进入到盛放部2内，使得盛放部2内的液面可变，并且，进入盛放部2内的液体的量不同，会使盛放部2的液面发生变化。
大米刚放入盛放部2内后，当盛放部2的液面上下变化时，液体可以反复冲刷盛放部2内的米，能够降低大米中糖的含量，用户食用完大米后，可以使用户不容易发胖，同时，也能够使大米受热均匀，可以使大米充分吸收水分，从而可以防止米饭夹生，进而可以提升米饭的口感。
由此，通过本体部1、盛放部2和介质置换部3配合，米放入到烹饪器具10内后，烹饪器具10在沥米饭时，液体会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
如图32所示，介质置换部3可以位于盛放部2下方，并且介质置换部3与盛放部2为分体件，两者没有连接成一个整体。由此，当将盛放部2放入烹饪腔11内后，介质置换部3可以选择性的放入，当介质置换部3也放入烹饪腔11内时，烹饪器具10可以进行沥米饭或者进行其它烹饪。当介质置换部3未放入烹饪腔11内时，盛放部2可以作为正常的蒸笼使用。这样可以提升烹饪器具10使用的灵活性，可以做出更多样的饭。
同时，介质置换部3与盛放部2没有连接，这样也减少了两者的拆装操作，操作更为简便。并且，介质置换部3位于盛放部2的下方，使得盛放部2可以从上侧对介质置换部3构成止挡，避免介质置换部3向上移出烹饪腔11，较为安全。
此外，这种结构制造相对更简单，外观可选择的形态更多，例如，圆形、方形等其他不规则形状等也可以选择，用户使用简单，清洗死角少，易清洗，用户体验更好。在图32所示的实施例中，介质置换部3形成为下部带有支脚的结构，在图33所示的实施例中，介质置换部3形成为下边沿带有外翻边的结构。
根据本申请的一些实施例，介质置换部3可以构造为气液置换部，气液置换部可以设置成利用气态的第一介质39替换液态的第二介质31。由此，这种通过不同介质的彼此替换设置，使得替换效果更好，可以减少第一介质对第二介质的影响。
可选地，第一介质39可以是水蒸气，第二介质31可以是水，但本申请不限于此。
根据本申请的一些实施例，如图32所示，介质置换部3的下部设有用于排出第二介质39的第二介质开口33，本体部1的下部设置有加热件6，加热件6可以加热第二介质39以沸腾形成第一介质31，即第一介质31为水蒸气。可选地，加热件6可以为线圈盘组件。
由此，烹饪器具10将烹饪腔11内的液体加热的过程中，介质置换部3内的水蒸气会逐渐增多，然后气液置换部内的压力逐渐变大，将气液置换部内的液体压入烹饪腔11，从而可以实现烹饪腔11内的水位上升的工作目的，进而可以实现盛放部2水位上升的工作目的。此时，不仅可以实现液位上升，同时进入盛放部2内的液体为高温液体，还可以提升烹饪效果。
可选地，如图32和图33所示，第二介质开口33的朝向朝下设置，这样在液体排出的过程中减少介质置换部3的摇晃，降低介质置换部3翻转的风险。当然，在本申请 的另一些实施例中，第二介质开口33也可以朝向侧面，例如，在介质置换部3的相对的两个侧面分别设置第二介质开口33，这样在进行介质置换时，介质置换部3的两侧同时受力，受力较为均衡，同样可以降低介质置换部3发生翻转的几率。
如图33和图34所示，根据本申请的另一些实施例，介质置换部3在第二介质31未沸腾前可以与盛放部2间隔开并且在第二介质31沸腾时在第一介质39的压力驱动下能上升至与盛放部相抵。由此，在介质置换部3承受压力时，可以通过与之相接触的盛放部2进行限位，以提高介质置换部3的稳定性，进一步减少介质置换部3发生翻转的风险。同时，在将盛放部2往烹饪腔11内放置时，由于盛放部2与介质置换部3不接触，这样可以减少盛放部2与介质置换部3之间的摩擦，减少受损。
结合本申请的一些实施例，烹饪器具10内还可以设置有用于防止介质置换部3翻转的防翻转结构，防翻转结构可以安装于本体部1、介质置换部3和盛放部2中的至少一个上，以进一步降低介质置换部3发生翻转的风险。
本申请对于防翻转结构的具体结构不做特殊限制，例如，防翻转结构可以为防翻转筋，如在烹饪腔11的内壁面和/或盛放部2上设置凸出的防翻转筋以对介质置换部3进行限位。再例如，防翻转结构3可以为磁吸结构，磁吸结构与介质置换部3之间存在磁性作用力，以降低介质置换部3发生翻转的风险。
参照图32至图34所示，结合本申请的一些实施例，可选地，介质置换部3的外径向尺寸L11与烹饪腔11的径向尺寸L21可以满足：L1≥0.2L2。可选地，介质置换部3的轴向尺寸L12与烹饪腔11的轴向尺寸L22可以满足：L12≥0.1L22。可选地，盛放部2的外径向尺寸L31可以小于烹饪腔11的径向尺寸L21，盛放部2的轴向尺寸L32与烹饪腔11的轴向尺寸L22可以满足：L32≥0.2L22。这些设置也有利于减少介质置换部3翻转的几率。
可以理解的是，在实际设计中，上述参数关系以及下面即将描述的参数取值或者参数关系在不矛盾的情况下可以同时采用，也可以选择性的采用其中的一部分，它们之间在彼此不矛盾的情况下可以相互组合使用。
此外，在本申请的描述中，“径向”在此做广义理解，某个结构具有径向尺寸不代表该结构一定是圆形的，例如，烹饪腔11具有径向尺寸，由此不代表烹饪腔11必然为圆形腔，还可以为方形或者其它形状，这里，烹饪腔11的径向尺寸可以理解在沿垂直于烹饪腔11的轴向且大致经过烹饪腔的中心的方向上，烹饪腔11的两端之间的距离。如，当烹饪腔11为方形时，烹饪腔11的径向尺寸可以理解为在垂直于烹饪腔11的轴向且大致经过烹饪腔11的中心的方向上，烹饪腔11的两端的距离，如烹饪腔11的对角线方向的两端的距离。
根据本申请的一些具体示例，介质置换部3的外径向尺寸L11、介质置换部3的轴向尺寸L12、烹饪腔11的径向尺寸L21与烹饪腔11的轴向尺寸L22可以满足：L11＜0.5L21且L12＞0.3L22，或者，L11≥0.5L21且L12≤0.3L22。研究表明，这种设置也可以减少介质置换部3发生翻转的几率。
根据本申请的一些实施例，参照图32至图34所示，本体部1可以包括：锅体部12和上盖部13，上盖部13盖设于锅体部12，锅体部12包括外壳121和设于外壳121内的内锅122，内锅122可以与上盖部13配合形成烹饪腔11，盛放部2和介质置换部3可以设在内锅122内。
由此，烹饪器具10的隔热性更好，安全性更高。此外，烹饪器具10烹饪米饭时，上盖部13将盛放部2盖住，如此设置能够减少烹饪器具10内水沸腾所需的时间，可以减小烹饪米饭所需时间，并且，也能够避免外界物体进入烹饪器具10内，可以保证米饭清洁卫生，从而可以保证用户的食用安全性。
结合本申请的一些实施例，参照图32至图34所示，盛放部2的轴向尺寸L32、介质置换部3的轴向尺寸L12与内锅122的轴向尺寸L42可以满足：L32+L12≤L42。由此， 盛放部2与介质置换部3更易于放入至烹饪腔11内，并且盛放部2与上盖部13的彼此干涉更小。在一些实施例中，盛放部2放入内锅122内时，盛放部2的上部可以不向上凸出于内锅122的锅沿，这样更便于上盖部13的盖合。
可选地，参照图32至图34所示，内锅121的内径向尺寸L41和内锅的轴向尺寸L42分别可以满足：14cm≤L41≤25cm，11cm≤L42≤13cm。这种尺寸的内锅121可以满足大部分用户的煮饭需求，适应性更广。例如，L41可以为16cm、18cm、20cm、22cm等，L42可以为11.5cm、12cm、12.5cm等。
下面描述根据本申请一些具体实施例的烹饪器具10。烹饪器具10例如电饭煲的工作过程主要包括水沸腾阶段和蒸米阶段，在水沸腾阶段，电饭煲以周期性加热为主，电饭煲的控制程序中设置周期T，T满足关系式：32秒≥T≥4秒，周期调功比为a，a满足关系式：1≥a≥1/8，水沸腾阶段总持续时间t1，t1满足关系式：15分钟≥t1≥3分钟。在水沸腾阶段结束后，电饭煲进入蒸米阶段，在蒸米阶段，米水分离，控制程序保持米汤温度为b，b满足关系式110度≥b≥80度，整个蒸米阶段总持续时间t2，t2满足关系式：30分钟≥t2≥3分钟。
可选地，电饭煲的具体工作过程为：电饭煲在烹饪过程中，首先将适量清水倒入烹饪腔11，然后将盛放部2和介质置换部3放入到烹饪腔11内，使烹饪腔11内的水位大致没过介质置换部3(当然也可以适当高于介质置换部3或者适当低于介质置换部3)，再将洗好的大米放入盛放部2内，如图32所示，此时的米水可以是分离的，即米在上方的盛放部2内，水在下面，米没有浸泡在水中。
之后，电饭煲开始加热烹饪腔11，当烹饪腔11内的水被加热时，烹饪腔11内的水会产生大量的气泡(水蒸气)，其中一部分气泡会在介质置换部3中储存起来，使介质置换部3内的压强变大，在压力的作用下，将介质置换部3中的水排出到烹饪腔11中，使得烹饪腔11中的水面升高，由于盛放部2与烹饪腔11连通，介质置换部3中的水流入烹饪腔11后，烹饪腔11内的水会流入盛放部2，此时，整个盛放部2中的水位就会上升，没过大米，如图34所示，实现对大米的一煮。
当盛放部2中的水位达到一定高度后，通过时间传感器或者信号传感器感知后或通过其它公知手段，电饭煲及时停止加热，介质置换部3中的水蒸气会迅速冷却液化，介质置换部3内的压力随之消减，然后烹饪腔11内的水会流回介质置换部3，使盛放部2内的水位快速下降，盛放部2内的水位下降过程中，盛放部2内的水穿过大米下落，盛放部2内的水会对大米进行冲刷，并且，电饭煲在烹饪的过程中，电饭煲也可以间断性地实现米水分离，例如电饭煲通过控制加热等效功率等控制程序，使电饭煲对烹饪腔11反复加热并停止，在电饭煲对烹饪腔11反复加热过程中，盛放部2内的水会反复地的上升和回落，水在反复地的上升和回落过程中冲刷大米，然后清水逐渐变成米汤。在水沸腾阶段结束后，电饭煲进入蒸米阶段，在蒸米阶段，米水分离，控制程序保持米汤温度在80度以上，使米饭蒸熟或者焖熟。
并且，电饭煲在水沸腾阶段，通过水反复冲刷大米，能够进一步降低大米中糖的含量，用户食用完大米后，可以使用户不容易发胖，同时，也能够使大米受热均匀，可以使大米充分吸收水分，从而可以防止米饭夹生，进而可以提升米饭的口感。
并且，在蒸米阶段，由于电饭煲内的水经过前期蒸发和大米的吸水，原来的水位会降低，为了保证大米与水分离以及蒸饭效果，防止米汤对米饭进行浸泡，可选地，在一些实施例中，最终烹饪腔11内的水位到最底层米饭的距离可以大于等于4mm。在本申请的另一些实施例中，也可以使水位线稍高于最底层米饭，这样位于上层的米饭仍然不能被水浸泡到，同样可以减少米饭的最终含糖量。
可选地，结合本申请的一些实施例，介质置换部3的体积可以变化，也可以不变化。在一些实施例中，介质置换部3的体积不变，可以使用气体充放装置向介质置换部3内充气，使介质置换部3内的压强变大，从而使烹饪腔11内的液位上升，需要使介质 置换部3内的液位下降时，可以使用气体充放装置从介质置换部3内抽气，使介质置换部3内的压强降低，从而可以达到液位降低的效果。
在另一些实施例中，介质置换部3的体积可变时，使用气体充放装置向介质置换部3内充气或者抽取介质置换部3内的气体，也可以实现烹饪腔11内液位上升和下降的功能。例如，在本申请的一些具体示例中，在烹饪的过程中，可以通过气体充放装置对介质置换部3进行充气，以实现烹饪腔11内的液位的变化，并且，介质置换部3的体积可以随着充气量发生变化。这样，当不需要进行介质置换时，介质置换部3的体积可以较小，减少对烹饪腔11的占用，并且介质置换部3在充气时可以增加体积，以提升容纳气体的量，进一步增大液体的置换量，使得烹饪腔11内的液面变化更为明显，更利于提升烹饪效果。
由此，通过本体部1、盛放部2和介质置换部3配合，米放入到烹饪器具10内后，烹饪器具10在沥米饭时，水会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
根据本申请实施例的烹饪器具10的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。
下面参考附图8、图20以及图35-图39描述烹饪器具10。
需要说明的是，烹饪器具10可以为电饭煲、电压力锅、电炖锅、电磁炉或者养生壶等，在下面的描述中，将以烹饪器具10为电饭煲为例进行说明，但这并非是对本申请保护范围的限制。本领域的普通技术人员在阅读了本申请的说明书之后，在知悉本申请的技术构思的情况下，显然可以将本申请的烹饪器具10应用于电压力锅、电炖锅、电磁炉或者养生壶等。
具体地，针对相关技术中所存在的大米量烹饪时出现的米饭不均匀的问题，本申请的设计者经过研究创造性的发现，相关技术中出现上述问题的主要原因是：大米量时，蒸笼内的米堆积较高，只靠从蒸笼底部进水，其水位很难漫过所有的米，从而造成上层的米偏硬甚至夹生、糖分未被充分沥掉。
有鉴于此，本申请的设计者进行了相关改进，从而得到本申请实施例的烹饪器具10。参照图35至图37所示，在一些实施例中，烹饪器具10可以包括：本体部1、盛放部2和介质置换部3，盛放部2用于盛放食材，例如米。本体部1内具有烹饪腔11，在一些实施例中，烹饪腔11可以是本体部1的锅体部12和上盖部13所限定形成的空腔。
盛放部2设置于烹饪腔11内，介质置换部3设置于烹饪腔11内，介质置换部3用于实现第一介质39与第二介质31的替换，从而改变烹饪腔11内的液位。
具体而言，例如，介质置换部3设置成利用第一介质39替换位于介质置换部3内的液态的第二介质31，从而使得被替换的第二介质31能够排出介质置换部3，并进入烹饪腔11内。第二介质31流入烹饪腔11后，可以使盛放部2内的液位改变。
这里，第一介质39可以来自于介质置换部3之外，通过进入到介质置换部3内实现对第二介质31的替换，例如从外界向介质置换部3内泵入气体；或者，第一介质39可以来自于介质置换部3内部，例如通过加热介质置换部3内的液体如水，使得内部形成气态的第一介质39，第一介质39可以从内部将液态的水排出介质置换部3之外；当然，第一介质39的来源也可以采用上述两种可行方式的结合，但不限于此。
又如，介质置换部3还设置成利用处在介质置换部3之外且为液态的第二介质31进入到介质置换部3内以占据由第一介质39占用的至少一部分空间，从而使得烹饪腔11内的液位下降，在液位下降的过程中，液体会冲刷大米，使大米内的糖减少。换言之，液态的第二介质31可以进入到介质置换部3内，从而占据先前由第一介质39占有的至少一部分空间。
可选地，在一些实施例中，当烹饪器具10停止加热或者加热功率降低时，介质置 换部3内的第一介质39如水蒸气液化，介质置换部3之外的液态的第二介质31如水则会进入到介质置换部3之内，替换先前第一介质39所占用的空间。再例如，在另一些实施例中，当介质置换部3内的至少一部分第一介质39如空气被抽出时，介质置换部3之外的液态的第二介质31如水可以进入到介质置换部3内，以替换被抽出的第一介质39。
大米放入盛放部2内后，当盛放部2的液面变化时，液体可以冲刷盛放部2内的米，使得更多的糖分可以进入到液体中，从而能够降低大米中糖的含量，用户食用完大米后，可以使用户不容易发胖，同时，也能够使大米受热均匀，可以使大米充分吸收水分，从而可以防止米饭夹生，进而可以提升米饭的口感。
由此，通过本体部1、盛放部2和介质置换部3配合，米放入到烹饪器具10内后，当第一介质39置换液态的第二介质31时，液态的第二介质31可以进入到盛放部2内，才使米被浸泡，并且，烹饪器具10在沥米饭时，液体会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
进一步地，参照图35至图37所示，在间隙101的至少一段上，在同一高度处的盛放部2的外周面所围面积S1与本体部1的内周面所围面积S2满足：0.9≤S1/S2≤0.98。例如，在本申请的一些具体示例中，S1/S2可以为0.91、0.93、0.95、0.97等。
由此，可保证从介质置换部3置换出来的液体，能够尽量多的涌入蒸盛放部2内，使得盛放部内的液位变化更为明显，并且实现盛放部2内有足够的液位高度，用来冲刷、沥糖和烹饪盛放部2内的米饭，从而解决相关技术中所存在的具有沥米饭或低糖饭的烹饪器具其大米量烹饪存在的米饭不均匀，沥糖效果差问题。
结合本申请的一些实施例，参照图38和图39所示，在间隙101的至少一段上，间隙101的宽度L1可以满足：L1≤5mm。由此，可以实现同样烹饪腔11的情况下，盛放部2的内部容积能够尽量大，这样使得同样的米量，在盛放部2内的高度最低，从而实现进水后能更容易漫过所有米，使得所有米都被冲刷、沥糖、烹饪的概率最大，进一步提升米饭的均匀性以及沥糖效果。例如，在本申请的一些示例中，L1可以为1mm、2mm、3mm、4mm等。
根据本申请的一些实施例，介质置换部3可以构造为气液置换部，气液置换部可以设置成利用气态的第一介质39替换液态的第二介质31。由此，这种通过不同介质的彼此替换设置，使得替换效果更好，可以减少第一介质对第二介质的影响。
可选地，第一介质39可以是水蒸气，第二介质31可以是水，但本申请不限于此。可选地，烹饪器具10还可包括加热件6，加热件6可以适于加热介质置换部3内的第二介质31以形成第一介质39，即第一介质39可以为水蒸气。由此，电饭煲将烹饪腔11内的水加热至沸腾的过程中，气液置换部内的水蒸气会逐渐增多，然后气液置换部内的压力逐渐变大，将气液置换部内的水压入烹饪腔11，从而可以实现烹饪腔11内的水位上升的工作目的，进而可以实现盛放部2水位上升的工作目的。此时，不仅可以实现液位上升，同时进入盛放部2内的液体为高温液体，还可以提升烹饪效果。
如图35至图37所示，根据本申请的一些可选实施例中，加热件6具有连续加热模式，在连续加热模式下，加热时间为T，盛放部2内可进入液体且盛放部2内的液位A2相对于烹饪腔11的初始液位A1的高度差为H，即A2-A1＝H。这里，初始液位A1是指未沸腾前的液位。其中，H≥10mm，T≥10秒。
由此，可以进一步提升对盛放部2内米的处理效果。通常T的值越大，H的值会越大，对米的冲刷和沥糖效果越好。可选地，加热件6可以为线圈盘组件。
继续参照图38和图39所示，根据本申请的一些实施例，间隙101的至少一段的内侧面和外侧面可以平行设置并且分别沿竖直方向延伸。由此，液体在间隙101处可以竖直升降，行程更短，更易于进入到盛放部2内。
在本申请的一些实施例中，参照图38和图39所示，盛放部2可以包括：盛放部周 壁21和盛放部底壁23，盛放部周壁21的上部设置有连通间隙101与盛放部2的周壁通孔241，由此，可以使水从相对较高的位置进入到盛放部2内，从而使得进来的水能更好地对所有米进行冲刷、沥糖、烹饪。可选地，周壁通孔241可以设置为多个，如此设置能够进一步使水快速流入和流出盛放部2，可以减小水浸泡大米的时间。
继续参照图38和图39所示，盛放部2包括盛放部底壁23和盛放部周壁21，间隙101的至少一段可以由盛放部周壁21和本体部1的内周面形成，介质置换部3可以安装于盛放部底壁23。由此，介质置换部3对间隙101的影响更小，有利于间隙101的小尺寸设置。
可选地，如图38和图39所示，盛放部周壁21可以设置有底壁通孔242，底壁通孔242位于介质置换部3的径向外侧，以用于使盛放部底壁23与本体部1之间的液体进入盛放部2。由此，烹饪器具10没有对水加热时，这样设置能够使底壁通孔242到水面的距离最小，可以更加方便水从底壁通孔242流入盛放部2，也可以使盛放部2内的水从底壁通孔242流出盛放部2，从而可以使水更好地冲刷大米。
简言之，本申请的一种实施方式可以为，同时配置周壁通孔241和底壁通孔242，水可以从周壁通孔241和底壁通孔242进入到盛放部2内，这样可以提升进水效率。
根据本申请的一些实施例，如图38和图39所示，烹饪器具10设置有初始液位线，初始液位线102低于盛放部底壁23且高于介质置换部3的下端。由此，用户可以以初始液位线102为基准进行加水，防止加水过多或者过少，而影响烹饪效果。在一些具体示例中，初始液位线102可以设置在内锅的内周面，较便于观察。可选地，初始液位线102可以沿内锅的周向延伸成一个圆圈，也可以仅仅为一条线段。
在本申请的一些实施例中，如图35所示，本体部1可以包括：锅体部12和上盖部13，盛放部2支撑并伸入到锅体部12内。其中，烹饪器具10烹饪米饭时，上盖部13将盛放部2盖上，如此设置能够减少烹饪器具10内水沸腾所需的时间，可以减小烹饪米饭所需时间，并且，也能够避免外界物体进入烹饪器具10内，可以保证米饭清洁卫生，从而可以保证用户的食用安全性。
在本申请的另一些实施例中，盛放部2可以安装于上盖部13。由此，在将上盖部13盖设于盛放部2的同时可以实现盛放部2的安装，操作较为方便。
需要说明的是，烹饪器具10的介质置换部3不限为图35至图39中所示的结构，还可以为其它结构。例如，在图8所示的实施例中，介质置换部3与盛放部2形成为一个整体结构，具体而言，介质置换部3可以由盛放部2的底壁上凹形成，如此设置能够使介质置换部3与盛放部2形成整体结构，可以使介质置换部3与盛放部2一起放入和拿出烹饪腔11，从而可以便于介质置换部3的清洗，进而可以提升用户满意度。
再例如，在图20所示的实施例中，介质置换部3可以构造为具有凹入结构的介质置换板39，介质置换部3放入烹饪腔11内后，水可以存储在介质置换部3的凹入结构内，当烹饪器具10工作时，水蒸气可以进入凹入结构内，从而可以将凹入结构内的水压入烹饪腔11，结构较为简单。
进一步可选地，如图20所示，介质置换板39可具有内凹面391和外凸面392，外凸面392朝向盛放部2并与盛放部2相连，内凹面391背离盛放部2，如此设置能够保证水和水蒸气存储在介质置换板39的内凹面391所形成的内凹空间内，可以保证第一介质39和第二介质31能够在介质置换板39的内凹空间内随意替换。
下面描述根据本申请一些具体实施例的烹饪器具10。烹饪器具10例如电饭煲的工作过程主要包括水沸腾阶段和蒸米阶段，在水沸腾阶段，电饭煲以周期性加热为主，电饭煲的控制程序中设置周期T，T满足关系式：32秒≥T≥4秒，周期调功比为a，a满足关系式：1≥a≥1/8，水沸腾阶段总持续时间t1，t1满足关系式：15分钟≥t1≥3分钟。在水沸腾阶段结束后，电饭煲进入蒸米阶段，在蒸米阶段，米水分离，控制程序保持米汤温度为b，b满足关系式110度≥b≥80度，整个蒸米阶段总持续时间t2，t2 满足关系式：30分钟≥t2≥3分钟。
可选地，电饭煲的具体工作过程为：电饭煲在烹饪过程中，首先将适量水倒入烹饪腔11，然后将盛放部2和介质置换部3放入到烹饪腔11内，使烹饪腔11内的水位大致没过介质置换部3(当然也可以适当高于介质置换部3或者适当低于介质置换部3)，再将洗好的大米放入盛放部2内，如图35所示，此时的米水可以是分离的，即米在上方的盛放部2内，水在下面，米没有浸泡在水中。
之后，电饭煲开始加热烹饪腔11，当烹饪腔11内的水沸腾时，烹饪腔11内的水会产生大量的气泡(水蒸气)，其中一部分气泡会在介质置换部3中储存起来，使介质置换部3内的压强变大，在压力的作用下，将介质置换部3中的水排出到烹饪腔11中，使得烹饪腔11中的水面升高，由于盛放部2与烹饪腔11连通，介质置换部3中的水流入烹饪腔11后，烹饪腔11内的水会流入盛放部2，此时，整个盛放部2中的水位就会上升，没过大米，如图37所示，实现对大米的一煮。
当盛放部2中的水位达到一定高度后，通过时间传感器或者信号传感器感知后或通过其它公知手段，电饭煲及时停止加热，介质置换部3中的水蒸气会迅速冷却液化，介质置换部3内的压力随之消减，然后烹饪腔11内的水会流回介质置换部3，使盛放部2内的水位快速下降，盛放部2内的水位下降过程中，盛放部2内的水穿过大米下落，盛放部2内的水会对大米进行冲刷，并且，电饭煲在烹饪的过程中，电饭煲也可以间断性地实现米水分离，例如电饭煲通过控制加热等效功率等控制程序，使电饭煲对烹饪腔11反复加热并停止，在电饭煲对烹饪腔11反复加热过程中，盛放部2内的水会反复地的上升和回落，水在反复地的上升和回落过程中冲刷大米，然后水逐渐变成米汤。在水沸腾阶段结束后，电饭煲进入蒸米阶段，在蒸米阶段，米水分离，控制程序保持米汤温度在80度以上，使米饭蒸熟或者焖熟。
需要特别说明的是：大米放入盛放部2内后，且电饭煲没有对烹饪腔11进行加热时，盛放部2内的大米没有被水浸泡，并且，电饭煲在水沸腾阶段，通过水反复冲刷大米，能够进一步降低大米中糖的含量，用户食用完大米后，可以使用户不容易发胖，同时，也能够使大米受热均匀，可以使大米充分吸收水分，从而可以防止米饭夹生，进而可以提升米饭的口感。
并且，在蒸米阶段，由于电饭煲内的水经过前期蒸发和大米的吸水，原来的水位会降低，为了保证大米与水分离以及蒸饭效果，防止米汤对米饭进行浸泡，最终烹饪腔11内的水位到最底层米饭的距离可以大于等于4mm。
可选地，结合本申请的一些实施例，介质置换部3的体积可以变化，也可以不变化。在一些实施例中，介质置换部3的体积不变，可以使用气体充放装置向介质置换部3内充气，使介质置换部3内的压强变大，从而使烹饪腔11内的液位上升，需要使介质置换部3内的液位下降时，可以使用气体充放装置从介质置换部3内抽气，使介质置换部3内的压强降低，从而可以达到液位降低的效果。
在另一些实施例中，介质置换部3的体积可变时，使用气体充放装置向介质置换部3内充气或者抽取介质置换部3内的气体，也可以实现烹饪腔11内液位上升和下降的功能。例如，在本申请的一些具体示例中，在烹饪的过程中，可以通过气体充放装置对介质置换部3进行充气，以实现烹饪腔11内的液位的变化，并且，介质置换部3的体积可以随着充气量发生变化。这样，当不需要进行介质置换时，介质置换部3的体积可以较小，减少对烹饪腔11的占用，并且介质置换部3在充气时可以增加体积，以提升容纳气体的量，进一步增大液体的置换量，使得烹饪腔11内的液面变化更为明显，更利于提升烹饪效果。
由此，通过本体部1、盛放部2和介质置换部3配合，当将米放入到烹饪器具10内后，视水位情况，米可以被水浸泡到，也可以不被水浸泡到，当水位相对较高时，如上升到至少浸没盛放部2的下部时，至少一部分米可以被水浸泡到，当水位较低如低于 盛放部2时，米不会被水浸泡到，当进一步地，烹饪器具10在沥米饭时，水会不断冲刷米，使米中的糖被冲刷掉，从而可以使用户吃完米饭后不容易变胖。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。此外，本领域的技术人员可以将本说明书中描述的不同实施例或示例进行接合和组合。
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (72)

  1. 一种烹饪器具，其特征在于，包括：
    本体部，所述本体部内具有烹饪腔；
    盛放部，所述盛放部设置于所述烹饪腔内；
    介质置换部，所述介质置换部设置于所述烹饪腔内，所述介质置换部设置成利用第一介质替换位于所述介质置换部内的第二介质，从而使得被替换的所述第二介质能够排出所述介质置换部，所述介质置换部还设置成利用处在所述介质置换部之外的所述第二介质进入到所述介质置换部内以占据由所述第一介质占用的至少一部分空间，其中所述盛放部能够与所述烹饪腔连通以使所述盛放部内的液位可变。
  2. 根据权利要求1所述的烹饪器具，其特征在于，所述第二介质为液态。
  3. 根据权利要求1所述的烹饪器具，其特征在于，所述介质置换部构造为气液置换部，所述气液置换部设置成利用气态的所述第一介质替换液态的所述第二介质。
  4. 根据权利要求3所述的烹饪器具，其特征在于，所述气液置换部包括：第一介质进口和第二介质出口，所述第一介质进口允许所述第一介质进入到所述气液置换部内，所述第二介质出口允许所述第二介质从所述气液置换部内排出。
  5. 根据权利要求4所述的烹饪器具，其特征在于，所述第一介质进口和所述第二介质出口为同一开口且形成在所述气液置换部的底部。
  6. 根据权利要求1-5中任一项所述的烹饪器具，其特征在于，所述介质置换部与所述盛放部连接。
  7. 根据权利要求1-6中任一项所述的烹饪器具，其特征在于，所述介质置换部至少部分地设置在所述盛放部的下方。
  8. 根据权利要求7所述的烹饪器具，其特征在于，所述介质置换部包括介质置换部周壁，所述介质置换部周壁的顶部贴合所述盛放部的底面。
  9. 根据权利要求8所述的烹饪器具，其特征在于，所述介质置换部周壁的顶部设置有环形翻边，所述环形翻边与所述盛放部的底面贴合，所述环形翻边与所述盛放部的底面可拆卸地相连。
  10. 根据权利要求8所述的烹饪器具，其特征在于，所述介质置换部周壁与所述盛放部一体成型；或者所述介质置换部周壁与所述盛放部卡接、焊接或铆接相连。
  11. 根据权利要求7所述的烹饪器具，其特征在于，所述介质置换部包括介质置换部周壁，所述盛放部包括盛放部周壁，所述介质置换部周壁从所述盛放部周壁的下端向下延伸。
  12. 根据权利要求11所述的烹饪器具，其特征在于，所述介质置换部周壁与所述盛放部周壁均为圆环形且直径相等；或者所述介质置换部周壁的直径渐变，所述介质置换部周壁的小径端与所述盛放部周壁相连，所述介质置换部周壁的大径端为自由端且向着远离所述盛放部的方向延伸。
  13. 根据权利要求1-12中任一项所述的烹饪器具，其特征在于，所述盛放部的底部形成有盛放部凹部，所述盛放部凹部构造为所述介质置换部。
  14. 根据权利要求13所述的烹饪器具，其特征在于，所述盛放部包括盛放部底壁和盛放部周壁，所述盛放部底壁的至少一部分向上隆起以形成所述盛放部凹部。
  15. 根据权利要求14所述的烹饪器具，其特征在于，所述盛放部凹部布置在所述盛放部底壁的中心区域。
  16. 根据权利要求1-15中任一项所述的烹饪器具，其特征在于，所述介质置换部构造为环形结构。
  17. 根据权利要求16所述的烹饪器具，其特征在于，所述介质置换部设置在所述盛放部的盛放部底壁上。
  18. 根据权利要求17所述的烹饪器具，其特征在于，所述介质置换部包括：置换部外周壁和置换部内周壁，所述置换部外周壁和所述置换部内周壁分别连接至所述盛放部底壁且径向间隔开。
  19. 根据权利要求1-18中任一项所述的烹饪器具，其特征在于，所述介质置换部构造为具有凹入结构的介质置换板。
  20. 根据权利要求19所述的烹饪器具，其特征在于，所述介质置换板具有内凹面和外凸面，所述外凸面朝向所述盛放部并与所述盛放部相连，所述内凹面背离所述盛放部。
  21. 根据权利要求1-20中任一项所述的烹饪器具，其特征在于，所述介质置换部还配置有与所述介质置换部内连通且用于排气的排气微孔。
  22. 根据权利要求21所述的烹饪器具，其特征在于，所述介质置换部包括介质置换部周壁，所述排气微孔设置在所述介质置换部周壁上且位于所述介质置换部周壁的中上部。
  23. 根据权利要求21所述的烹饪器具，其特征在于，所述介质置换部包括介质置换部周壁，所述介质置换部周壁连接在所述盛放部的盛放部底壁上，所述排气微孔开设在所述盛放部底壁上。
  24. 根据权利要求23所述的烹饪器具，其特征在于，所述排气微孔为一个且布置在所述盛放部底壁的中心。
  25. 根据权利要求21所述的烹饪器具，其特征在于，所述排气微孔的排气面积为3mm 2-20mm 2，进一步优选为5mm 2-10mm 2。
  26. 根据权利要求1-25中任一项所述的烹饪器具，其特征在于，所述盛放部上设置有盛放部通孔，所述盛放部通孔用于连通所述烹饪腔与所述盛放部的内部空间。
  27. 根据权利要求26所述的烹饪器具，其特征在于，所述盛放部包括盛放部周壁和盛放部底壁，所述盛放部通孔包括：周壁通孔，所述周壁通孔设置于所述盛放部周壁。
  28. 根据权利要求26或27所述的烹饪器具，其特征在于，所述盛放部包括盛放部周壁和盛放部底壁，所述盛放部通孔包括：底壁通孔，所述底壁通孔设置于所述盛放部底壁。
  29. 根据权利要求28所述的烹饪器具，其特征在于，所述底壁通孔环绕在所述介质置换部的径向外侧。
  30. 根据权利要求28所述的烹饪器具，其特征在于，所述介质置换部构造为环形结构且所述介质置换部包括：置换部外周壁和置换部内周壁，所述置换部内周壁围绕所述底壁通孔。
  31. 根据权利要求1-30中任一项所述的烹饪器具，其特征在于，所述本体部包括锅体部和上盖部，所述盛放部支撑并伸入到所述锅体部内。
  32. 根据权利要求1-31中任一项所述的烹饪器具，其特征在于，所述本体部包括锅体部和上盖部，所述盛放部设置于所述上盖部。
  33. 根据权利要求1-32中任一项所述的烹饪器具，其特征在于，所述烹饪器具为电饭煲、电压力锅、电炖锅、电磁炉或养生壶。
  34. 根据权利要求8所述的烹饪器具，其特征在于，所述介质置换部周壁为圆环形，所述介质置换部的内部空间在垂直于所述烹饪器具的中心轴线的投影面上的正投影面积为S1，所述烹饪器具还包括：加热部，所述加热部在所述投影面上的正投影面积为S2，其中S1和S2满足关系式：S1≥1/3S2，进一步满足为：S1≥1/2S2。
  35. 根据权利要求1-34中任一项所述的烹饪器具，其特征在于，所述介质置换部的内部空间的体积V满足关系式：V≥80ml；V进一步满足，80Nml≤V≤200Nml；V再进一步满足，100Nml≤V≤180Nml；其中所述烹饪器具烹饪米饭时的最大烹饪量为N杯米，每杯米为140g-160g。
  36. 根据权利要求1-35中任一项所述的烹饪器具，其特征在于，所述盛放部内设有开口向上的所述盛放腔，所述介质置换部与所述盛放部可拆卸地连接，所述介质置换部内设有开口向下的所述介质置换腔，所述介质置换部设置成利用第一介质替换位于所述介质置换腔内的第二介质，从而使得被替换的所述第二介质能够排出所述介质置换部，所述介质置换部还设置成利用处在所述介质置换腔之外的所述第二介质进入到所述介质置换腔内以占据由所述第一介质占用的至少一部分空间，其中所述盛放腔能够与所述烹饪腔连通以使所述盛放腔内的液位可变。
  37. 根据权利要求36所述的烹饪器具，其特征在于，所述盛放部和所述介质置换部通过卡接结构或者磁吸结构相连。
  38. 根据权利要求37所述的烹饪器具，其特征在于，所述卡接结构为旋转卡接结构、凹凸点卡接结构、上下式套卡接结构或左右滑动式卡接结构。
  39. 根据权利要求1-38中任一项所述的烹饪器具，其特征在于，所述介质置换部具有置换部顶壁，所述盛放部具有盛放部底壁，所述置换部顶壁和所述盛放部底壁的其中一个设置有卡接凸部，其中另一个设置有适于卡接在所述卡接凸部内的卡接凹部。
  40. 根据权利要求39所述的烹饪器具，其特征在于，所述卡接凸部包括一个或多个凸点部，所述卡接凹部包括一个或多个贯通孔，所述凸点部与所述贯通孔数量相等且一一对应，每个所述凸点部伸入并卡入对应的所述贯通孔内，其中多个所述凸点部沿所述盛放组件的周向间隔开设置。
  41. 根据权利要求40所述的烹饪器具，其特征在于，所述凸点部包括：
    柱部，所述柱部穿设于所述贯通孔，所述柱部的轴向尺寸大于等于所述贯通孔的轴向尺寸；
    端头部，所述端头部凸出地设在所述柱部的端部且所述端头部止挡在所述贯通孔的一侧，以止挡所述柱部脱出所述贯通孔，沿所述柱部的轴向，所述端头部的两端中的至少一端构造有倒角。
  42. 根据权利要求36所述的烹饪器具，其特征在于，所述盛放部设有定位部，所述介质置换部设有定位配合部，所述定位部与所述定位配合部配合，以对所述盛放部和所述介质置换部进行定位。
  43. 根据权利要求42所述的烹饪器具，其特征在于，所述定位部为设于所述盛放部底壁且沿所述盛放部的周向延伸的定位凸筋，所述置换部顶壁设置有敞开口，所述定位配合部由所述敞开口的边沿形成，所述敞开口的边沿外套在所述定位凸筋的外周面。
  44. 根据权利要求1-43中任一项所述的烹饪器具，其特征在于，所述介质置换部位于所述盛放部的下方，所述介质置换部与所述盛放部为分体件且两者没有连接成一个整体。
  45. 根据权利要求1-44中任一项所述的烹饪器具，其特征在于，所述本体部的下部设置有用于加热所述第二介质以沸腾形成所述第一介质的加热件。
  46. 根据权利要求45所述的烹饪器具，其特征在于，所述介质置换部在所述第二介质未沸腾前与所述盛放部间隔开且在所述第二介质沸腾时在第一介质的压力驱动下能上升至与所述盛放部相抵。
  47. 根据权利要求1-46中任一项所述的烹饪器具，其特征在于，所述烹饪器具内设置有用于防止所述介质置换部翻转的防翻转结构，所述防翻转结构安装于所述本体部、所述介质置换部和所述盛放部中的至少一个上。
  48. 根据权利要求1-47中任一项所述的烹饪器具，其特征在于，所述介质置换部的外径向尺寸L11与所述烹饪腔的径向尺寸L21满足：L1≥0.2L2；和/或，
    所述介质置换部的轴向尺寸L12与所述烹饪腔的轴向尺寸L22满足：L12≥0.1L22。
  49. 根据权利要求1-48中任一项所述的烹饪器具，其特征在于，所述盛放部的外径向尺寸L31小于所述烹饪腔的径向尺寸L21，所述盛放部的轴向尺寸L32与所述烹饪 腔的轴向尺寸L22满足：L32≥0.2L22。
  50. 根据权利要求44所述的烹饪器具，其特征在于，所述介质置换部的外径向尺寸L11、所述介质置换部的轴向尺寸L12、所述烹饪腔的径向尺寸L21与所述烹饪腔的轴向尺寸L22满足：
    L11＜0.5L21且L12＞0.3L22，或者，L11≥0.5L21且L12≤0.3L22。
  51. 根据权利要求31或32所述的烹饪器具，其特征在于，所述上盖部盖设于所述锅体部，所述锅体部包括外壳和设于所述外壳内的内锅，所述内锅与所述上盖部配合形成所述烹饪腔，所述盛放部和所述介质置换部设在所述内锅内，所述盛放部的轴向尺寸L32、所述介质置换部的轴向尺寸L12与所述内锅的轴向尺寸L42满足：L32+L12≤L42。
  52. 根据权利要求51所述的烹饪器具，其特征在于，所述内锅的内径向尺寸L41和所述内锅的轴向尺寸L42满足：14cm≤L41≤25cm，11cm≤L42≤13cm。
  53. 根据权利要求1-52中任一项所述的烹饪器具，其特征在于，所述第二介质能够经过所述盛放部与所述本体部之间的间隙进入至所述盛放部内，在所述间隙的至少一段上，在同一高度处，所述盛放部的外周面所围面积S1与所述本体部的内周面所围面积S2满足：0.9≤S1/S2≤0.98。
  54. 根据权利要求53所述的烹饪器具，其特征在于，在所述间隙的至少一段上，所述间隙的宽度L1满足：L1≤5mm。
  55. 根据权利要求53或54所述的烹饪器具，其特征在于，所述间隙的所述至少一段的内侧面和外侧面平行设置且分别沿竖直方向延伸。
  56. 根据权利要求53-55中任一项所述的烹饪器具，其特征在于，所述盛放部包括盛放部底壁和盛放部周壁，所述间隙的所述至少一段由所述盛放部周壁和所述本体部的内周面形成，所述介质置换部安装于所述盛放部底壁。
  57. 根据权利要求56所述的烹饪器具，其特征在于，所述烹饪器具设置有初始液位线，所述初始液位线低于所述盛放部底壁且高于所述介质置换部的下端。
  58. 一种用于烹饪器具的烹饪附件，其特征在于，包括：盛放部和介质置换部，所述盛放部和所述介质置换部均设置于所述烹饪器具的烹饪腔内，所述介质置换部连接于所述盛放部，所述介质置换部设置成适于利用第一介质替换位于所述介质置换部内的第二介质，从而使得被替换的所述第二介质能够排出所述介质置换部以改变所述盛放部内的液位。
  59. 根据权利要求58所述的用于烹饪器具的烹饪附件，其特征在于，所述第二介质为液态。
  60. 一种用于烹饪器具的烹饪附件，其特征在于，包括：
    盛放篮，所述盛放篮具有盛放篮周壁和盛放篮底壁，所述盛放篮周壁上设置有周壁通孔；
    气液置换部，所述气液置换部设置在所述盛放篮底壁的下表面上，所述气液置换部的下端敞开以允许水蒸气进入并允许所述气液置换部内的液体排出。
  61. 根据权利要求60所述的用于烹饪器具的烹饪附件，其特征在于，所述烹饪附件适于设置在所述烹饪器具内部。
  62. 根据权利要求58或59所述的用于烹饪器具的烹饪附件，其特征在于，所述气液置换部包括气液置换部周壁，所述气液置换部周壁与所述盛放篮底壁相连，所述盛放篮底壁上还设置有底壁通孔，所述底壁通孔环绕所述气液置换部周壁。
  63. 根据权利要求60或61所述的用于烹饪器具的烹饪附件，其特征在于，所述盛放篮底壁的至少一部分向上隆起，隆起的部分构造为所述气液置换部。
  64. 一种烹饪器具，其特征在于，包括根据权利要求58-62中任一项所述的烹饪附件。
  65. 一种如权利要求1-57中任一项所述的烹饪器具的控制方法，其特征在于，包 括以下步骤：
    在所述烹饪器具的烹饪过程中，判断所述烹饪器具当前所处的烹饪阶段，其中，所述烹饪器具的烹饪阶段包括沸腾阶段；
    当所述烹饪器具处于所述沸腾阶段时，通过控制所述烹饪器具的加热部，以使所述烹饪腔内的液位在第一液位与第二液位之间变化。
  66. 根据权利要求65所述的烹饪器具的控制方法，其特征在于，所述控制所述烹饪器具的加热部，以使所述烹饪腔内的液位在第一液位与第二液位之间变化，包括：
    以第一调功比和第二调功比控制所述加热部进行交替加热，其中，通过以第一调功比控制所述加热部进行加热，以使所述盛放部内的液位上升至所述第一液位，并通过以第二调功比控制所述加热部进行加热，以使所述盛放部内的液位下降至所述第二液位；
    其中，所述第二调功比小于所述第一调功比，所述第二液位低于所述第一液位。
  67. 根据权利要求66所述的烹饪器具的控制方法，其特征在于，其中，
    所述第二调功比和所述第一调功比的取值范围为大于等于1/8且小于等于1；
    所述加热部的加热周期为大于等于4秒且小于等于32秒，其中，在每个所述加热周期，以所述第一调功比和第二调功比控制所述加热部进行加热。
  68. 根据权利要求65-67中任一项所述的烹饪器具的控制方法，其特征在于，所述控制所述烹饪器具的加热部，以使所述烹饪腔内的液位在第一液位与第二液位之间变化，包括：
    以第一功率控制所述加热部进行加热工作，以使所述烹饪腔内的液位上升至所述第一液位；
    在所述烹饪腔内的液位上升至所述第一液位之后，控制所述加热部停止加热或控制所述加热部减小加热功率，以使所述烹饪腔内的液位下降至所述第二液位，其中，所述第二液位低于所述第一液位。
  69. 根据权利要求65-68中任一项所述的烹饪器具的控制方法，其特征在于，所述烹饪器具的烹饪阶段还包括蒸米阶段，所述方法还包括：
    当所述烹饪器具处于所述蒸米阶段时，通过控制所述烹饪器具的加热部，以使烹饪腔内的米汤温度维持在预设温度范围内。
  70. 根据权利要求69所述的烹饪器具的控制方法，其特征在于，其中，所述预设温度范围为大于等于80摄氏度且小于等于110摄氏度。
  71. 根据权利要求69所述的烹饪器具的控制方法，其特征在于，当所述沸腾阶段持续第一预设时间之后，所述烹饪器具进入所述蒸米阶段，且所述蒸米阶段持续第二预设时间。
  72. 根据权利要求71所述的烹饪器具的控制方法，其特征在于，所述第一预设时间的取值范围为大于等于3分钟且小于等于15分钟，所述第二预设时间的取值范围为大于等于3分钟且小于等于30分钟。
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