WO2019237614A1

WO2019237614A1 - Cooking appliance and control method therefor

Info

Publication number: WO2019237614A1
Application number: PCT/CN2018/110472
Authority: WO
Inventors: 梅江; 陈海鹏; 孔进喜; 宋利; 施芬芬
Original assignee: 格力电器（武汉）有限公司; 珠海格力电器股份有限公司
Priority date: 2018-06-13
Filing date: 2018-10-16
Publication date: 2019-12-19
Also published as: CN108888099A

Abstract

A cooking appliance and a control method therefor. The cooking appliance is provided with a pressure release device, and the control method comprises a step of pressurization and pressure release; the step of pressurization and pressure release comprises an intermittent pressure release process, the cooking appliance being controlled to intermittently release pressure multiple times during said intermittent pressure release process, wherein at least one from among pressure release frequency during the intermittent pressure release process and the time duration of one-time pressure release is adjusted according to the type of food to be cooked. In the control method for the cooking appliance, during an intermittent pressure release process, at least one from among pressure release frequency during the intermittent pressure release process and the time duration of one-time pressure release is adjusted according to the type of food to be cooked so as to purposefully adjust the distribution of upper and lower layers of heat and moisture such that the cooking appliance may achieve excellent food quality under different conditions.

Description

Cooking appliance and control method thereof

Technical field

The invention relates to the technical field of kitchen appliances, in particular to a cooking appliance and a control method thereof.

Background technique

At present, cooking appliances such as rice cookers have been widely used by users. Compared with normal pressure cooking appliances, pressured rice cookers and other cooking appliances have a pressure control system and can perform pressure control during the cooking process, thereby improving the quality of rice.

However, the pressure control mode under the same function of existing cooking appliances such as rice cookers is fixed, and the best quality cannot be achieved when cooking different types of foods, such as different types of rice, which affects the user experience.

Summary of the Invention

At least some embodiments of the present invention provide a method for controlling a cooking appliance and a cooking appliance, in order to at least partially solve a pressure control mode under the same function of a cooking appliance such as a rice cooker provided in the related technology, which is fixed when cooking different types of food For example, different types of rice cannot achieve the best quality, which affects the user experience.

In one embodiment of the present invention, a method for controlling a cooking appliance is provided. The cooking appliance is provided with a pressure relief device, the control method includes a pressure relief step, and the pressure relief step includes an intermittent During the pressure relief process, during the intermittent pressure relief process, the cooking appliance is controlled to perform multiple pressure relief intermittently, according to the type of food to be cooked, the number of pressure relief processes of the intermittent pressure relief process and the duration of a single pressure relief Adjust at least one of the durations.

In one embodiment of the present invention, a cooking appliance is further provided, the cooking appliance is provided with a pressure relief device, and the cooking appliance executes the control method as described above during operation.

In the method for controlling a cooking appliance provided by at least part of the embodiments of the present invention, in the intermittent pressure relief process, at least one of the number of pressure relief processes of the intermittent pressure relief process and the duration of a single pressure relief process is performed according to the type of food to be cooked. Adjust to adjust the heat and moisture distribution of the upper and lower layers in a targeted manner, so that the cooking appliance can obtain high-quality food quality under different working conditions.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the opening and closing of a pressure solenoid valve for a cooking appliance according to one embodiment of the present invention under different rice conditions.

2 is a flowchart of a method for controlling a cooking appliance according to an embodiment of the present invention.

detailed description

The present invention is described below based on examples, but the present invention is not limited to these examples. In order to avoid obscuring the essence of the present invention, well-known methods, processes, procedures, and elements have not been described in detail.

In addition, those of ordinary skill in the art should understand that the drawings provided herein are for the purpose of illustration, and the drawings are not necessarily drawn to scale.

Unless the context clearly requires otherwise, the words "including", "comprising" and the like throughout the specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, "including but not limited to" Meaning.

In the description of the present invention, it should be understood that the terms “first”, “second”, and the like are used for descriptive purposes only, and cannot be understood to indicate or imply relative importance. In addition, in the description of the present invention, unless otherwise stated, "a plurality" means two or more.

The application provides a cooking appliance and a control method thereof. The cooking appliance may be, for example, a micro-pressure cooker, a rice cooker, an electric pressure cooker, an electric steamer, or the like, which can effectively boil the liquid in the pot under pressure to implement the cooking function. The cooking appliance is provided with a pressure relief device that can perform automatic pressure relief. The pressure relief device may be, for example, a pressure solenoid valve. When the pressure solenoid valve is opened, the cooking appliance automatically releases pressure. When the pressure solenoid valve is closed, the inside of the cooking appliance Hermetically sealed for pressurization and holding.

The control method of the cooking appliance includes a pressure relief step, and the pressure relief step includes an intermittent pressure relief process. During the intermittent pressure relief process, the cooking appliance is controlled to intermittently release pressure multiple times. The pressure process adjusts the distribution of heat and moisture in the upper and lower layers in the cooking appliance, and further adjusts at least one of the number of times of pressure relief in the intermittent pressure relief process and the duration of a single pressure relief according to the type of food to be cooked In order to adapt to different food types, the cooking appliance can obtain high-quality food quality under different working conditions.

In the following, different types of rice are used as examples to specifically introduce the control method of the cooking appliance provided in the present application. The fluidity and water absorption characteristics of different rice types are different. Take brown rice, pearl rice, and silk rice as examples. Brown rice, pearl rice, and The mobility of silk seedlings is: brown rice> pearl rice> silk seedling rice. The convection effect of heat and moisture in a single pressure release is: brown rice> pearl rice> silk seedling rice. If different rice species carry out the same number of pressure relief, then It will make some rice varieties have a problem of uneven water distribution. In order to balance the pressure relief effect of different rice seeds, under the same rice amount, as shown in Figure 1, the silk rice, pearl rice, and brown rice The corresponding pressure relief times are N1, N2, and N3. Among them, N1, N2, and N3 are all positive integers and N1> N2> N3, so that the moisture content of rice can be uniformly distributed under various rice working conditions. And / or, in the case of the same amount of rice, the durations of the single pressure relief corresponding to the silk rice, pearl rice, and brown rice are respectively T1, T2, and T3, where T1, T2, and T3 are all positive integers And T1> T2> T3, by adjusting the duration of a single pressure relief, the water content of rice can be uniformly distributed under various rice working conditions.

In an optional embodiment of the present invention, under different conditions of rice, the number of pressure releases has a great impact on the quality of the rice. If the number of pressure releases is fixed, there will be too much water in the upper layer of rice when the amount of rice is cooked. The situation is too rotten, and when the amount of rice is cooked, the upper layer of rice will be insufficient and hard. In view of this problem, during the intermittent pressure relief process, the number of pressure relief processes of the intermittent pressure relief process is also adjusted according to the rice mode of the cooking appliance, so that the cooking appliance can obtain excellent food quality under different working conditions.

In an optional embodiment, the rice quantity mode of the cooking appliance includes a rice quantity mode, a medium rice quantity mode, and a small rice quantity mode. The rice quantities corresponding to the rice quantity mode, medium rice quantity mode, and millet quantity mode are V1, V2, respectively. V3, where 0 <V1≤1 / 3V, 1 / 3V <V2≤2 / 3V, 2 / 3V <V3≤1V, V is the total volume of the cooking appliance; in the case of the same rice type, rice The number of pressure relief times corresponding to the meter mode, medium meter mode, and millet meter mode are M1, M2, and M3, respectively. Among them, M1, M2, and M3 are all positive integers and M1> M2> M3, so that various metering conditions Under the conditions, the moisture content of the rice can be uniformly distributed, so that the rice grains are uniform, thereby improving the taste of the rice.

Each of the above pressure relief times can be set according to the specific rice quantity and rice type, for example,

In the rice quantity mode, the value of the number of pressure relief of the silk rice is 8-10 times, the value of the number of pressure relief of the pearl rice is 5-7 times, and the number of pressure relief of the brown rice is The value range is 2-4 times, and the duration of the single pressure relief corresponding to the silk rice is 2.5-3.5s, and the duration of the single pressure relief corresponding to the pearl rice is 1.5- 2.5s. The duration of the single pressure relief corresponding to the brown rice ranges from 0.1 to 1s. Optionally, the duration of the single pressure relief corresponding to the silk rice, the duration of the single pressure relief corresponding to the pearl rice, and the duration of the single pressure relief corresponding to the brown rice are 3s and 2s, respectively. , 1s.

In the medium rice mode, the value of the pressure relief of the silk rice is 5-7 times, the value of the pressure relief of the pearl rice is 3-5 times, and the corresponding pressure of the brown rice is The range of the number of times of pressure is 1-3 times, and the duration of the single pressure release corresponding to the silk rice is 1.5-2.5s, and the range of the duration of the single pressure release corresponding to the pearl rice is It is 0.8-1.2s, and the duration of the single pressure relief corresponding to the brown rice ranges from 0.3-0.7s. Optionally, the duration of the single pressure relief corresponding to the silk rice, the duration of the single pressure relief corresponding to the pearl rice, and the duration of the single pressure relief corresponding to the brown rice are 2s and 1s, respectively. , 0.5s.

In the millet amount mode, the pressure relief times corresponding to the silk rice, pearl rice, and brown rice are 3, 2, and 1, respectively, and the duration of a single pressure relief corresponding to the silk rice The value range is 0.8-1.2s, the duration of the single pressure relief corresponding to the pearl rice ranges from 0.3-0.7s, and the duration of the single pressure relief corresponding to the brown rice ranges from 0.1-0.2s . Optionally, the duration of the single pressure relief corresponding to the silk rice, the duration of the single pressure relief corresponding to the pearl rice, and the duration of the single pressure relief corresponding to the brown rice are 1s, 0.5, respectively. s, 0.1s.

In an alternative embodiment, during the intermittent pressure relief process, the cooking appliance performs a single pressure relief at predetermined intervals. For example, the pressure solenoid valve as a pressure relief device is opened once every predetermined time interval to adjust the moisture and heat distribution in the cooking appliance, wherein the predetermined time value ranges from 1-2 minutes.

In an optional embodiment, the pressure relief step further includes a continuous pressure process performed after the intermittent pressure relief process, in which the pressure control solenoid valve is always closed, so that the temperature and pressure in the pot can be continuously increased. Promote rice ripening.

In an optional embodiment, as shown in FIG. 1, under the same rice amount, the duration of the pressure relief step corresponding to the rice seedlings, pearl rice, and brown rice is the same, that is, brown rice with less pressure release times. The corresponding duration of continuous pressurization is longer, and the duration of continuous pressurization of the silk seedlings with more pressure relief times is shorter. In this way, the quality of the rice obtained by cooking can be further ensured to be consistent.

In an optional embodiment, the control method further includes a pre-cooking process performed before the pressure relief step. The pre-cooking process includes a rice water absorption phase and a heating and heating phase. When the liquid in the cooking appliance is heated, the control The cooking appliance undergoes a pressure relief step.

In an alternative embodiment, the control method further includes a post-cooking process performed after the pressure relief step, and the post-cooking process includes a continuous boiling phase and a rice cooking phase, and during the rice cooking phase, the cooking appliance is lower than the continuous boiling The heating power of the stage is intermittently heated to further ripen the rice and improve the taste of the rice.

FIG. 2 is a flowchart of a method for controlling a cooking appliance according to an embodiment of the present invention. As shown in FIG. 2, the control method includes the following steps:

Step S001: Determine the rice seed and the predetermined number of times of pressure relief corresponding to the rice seed;

Step S002: Cooking starts;

Step S003: Perform a pre-cooking process;

Step S004: Enter a pressure relief step and perform an intermittent pressure relief process, and the cooking appliance performs a single pressure relief every predetermined time interval;

In step S005, it is determined whether the number of times of pressure relief reaches a predetermined number of times of pressure relief. If yes, the process proceeds to step S006, otherwise returns to step S004;

Step S006: Enter a continuous pressurization process to continuously pressurize the cooking appliance;

Step S007: Perform a post-cooking process;

Step S008: The cooking is finished.

The internal temperature of the cooking appliance can be sensed by a temperature sensing device, and the temperature sensing device can be disposed on the appliance cover of the cooking appliance.

The control method provided in this application is particularly applicable to a control process when a cooking appliance performs a rice steaming mode.

Based on the above control method, the present application also provides a cooking appliance. The cooking appliance is provided with a pressure relief device and can perform automatic pressure relief. The cooking appliance executes the foregoing control method during work.

In an alternative embodiment, the cooking appliance has a rice cooking mode, and when the rice cooking mode is selected, the cooking appliance executes the aforementioned control method.

In an alternative embodiment, the appliance cover of the cooking appliance is provided with a temperature sensing device for sensing the internal temperature of the cooking appliance.

The cooking appliance of the present invention may be various types of cooking appliances such as a micro-pressure cooker, a rice cooker, an electric pressure cooker, and an electric steamer.

Those skilled in the art can easily understand that, under the premise of no conflict, the foregoing preferred solutions can be freely combined and superimposed.

It should be understood that the above-mentioned embodiments are merely exemplary and not restrictive, and various obvious or equivalent ones that can be made by those skilled in the art with respect to the above details can be made without departing from the basic principles of the present invention. Modifications or replacements are all included in the scope of claims of the present invention.

Claims

A control method for a cooking appliance, the cooking appliance is provided with a pressure relief device, the control method includes a pressure relief step, the pressure relief step includes an intermittent pressure relief process, and during the intermittent pressure relief process, The cooking appliance is controlled to perform multiple pressure releases intermittently, and at least one of the number of pressure releases in the intermittent pressure release process and the duration of a single pressure release is adjusted according to the type of food to be cooked.
The control method according to claim 1, wherein the food to be cooked includes rice, and types of the rice include silk rice, pearl rice, and brown rice,

In the case of the same amount of rice, the pressure relief times corresponding to the silk rice, pearl rice, and brown rice are N1, N2, N3, respectively, where N1, N2, N3 are positive integers and N1> N2> N3; and /or,

In the case of the same rice amount, the durations of the single pressure relief corresponding to the silk rice, pearl rice, and brown rice are T1, T2, and T3, respectively, where T1, T2, and T3 are positive integers and T1> T2 > T3.
The control method according to claim 2, wherein the control method further comprises:

During the intermittent pressure relief process, the number of pressure reliefs of the intermittent pressure relief process is also adjusted according to a rice quantity mode of the cooking appliance.
The control method according to claim 3, wherein the rice quantity mode comprises a rice quantity mode, a medium rice quantity mode, and a small rice quantity mode, and the rice quantity modes, the medium rice quantity mode, and the small rice quantity mode respectively correspond to rice quantities. V1, V2, and V3, where 0 <V1≤1 / 3V, 1 / 3V <V2≤2 / 3V, 2 / 3V <V3≤1V, and V is the total volume of the cooking appliance;

In the case of the same rice type, the pressure relief times corresponding to the rice quantity mode, medium rice quantity mode, and small rice quantity mode are M1, M2, and M3, respectively, where M1, M2, and M3 are positive integers and M1> M2> M3.
The control method according to claim 4, wherein in the rice quantity mode, the value of the number of times of pressure relief of the silk rice is 8-10 times, and the value of the number of times of pressure relief of the pearl rice is 5 -7 times, the range of the pressure release times of the brown rice is 2-4 times, and the duration of the single pressure release corresponding to the silk rice is 2.5-3.5s, and the corresponding unit of the pearl rice is The duration of the secondary pressure relief ranges from 1.5 to 2.5 s, and the duration of the single pressure relief corresponding to the brown rice ranges from 0.1 to 1 s;

In the medium rice mode, the value of the pressure relief of the silk rice is 5-7 times, the value of the pressure relief of the pearl rice is 3-5 times, and the corresponding pressure of the brown rice is The range of the number of times of pressure is 1-3 times, and the duration of the single pressure release corresponding to the silk rice is 1.5-2.5s, and the range of the duration of the single pressure release corresponding to the pearl rice is It is 0.8-1.2s, and the duration of the single pressure relief corresponding to the brown rice ranges from 0.3-0.7s;

In the millet amount mode, the pressure relief times corresponding to the silk rice, pearl rice, and brown rice are 3, 2, and 1, respectively, and the duration of a single pressure relief corresponding to the silk rice The value range is 0.8-1.2s, the duration of the single pressure relief corresponding to the pearl rice ranges from 0.3-0.7s, and the duration of the single pressure relief corresponding to the brown rice ranges from 0.1-0.2s .
The control method according to any one of claims 1 to 5, wherein in the intermittent pressure relief process, the cooking appliance performs a single pressure relief every predetermined time interval,

The range of the predetermined duration is 1-2 minutes.
The control method according to any one of claims 2 to 5, wherein the pressurizing and depressurizing step further comprises a continuous pressurizing process performed after the intermittent depressurizing process.
The control method according to any one of claims 1 to 5, wherein the control method further comprises at least one of the following:

The pre-cooking process performed before the pressure relief step, the pre-cooking process includes a soaked rice water absorption stage and a heating and heating stage, and when the liquid in the cooking appliance is heated to boiling, the cooking appliance is controlled to perform the pressurization Pressure relief step;

A post-cooking process performed after the pressure relief step, which includes a continuous boiling phase and a rice-cooking phase.
A cooking appliance provided with a pressure relief device, wherein the cooking appliance executes the control method according to any one of claims 1 to 8 when working.
The cooking appliance according to claim 9, wherein the cooking appliance has a rice cooking mode in which the cooking appliance executes the control method according to any one of claims 1 to 8.