CN114468753A - Waterless baking cooking method of cooking appliance and cooking appliance - Google Patents
Waterless baking cooking method of cooking appliance and cooking appliance Download PDFInfo
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- CN114468753A CN114468753A CN202011251676.XA CN202011251676A CN114468753A CN 114468753 A CN114468753 A CN 114468753A CN 202011251676 A CN202011251676 A CN 202011251676A CN 114468753 A CN114468753 A CN 114468753A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
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Abstract
The invention discloses a waterless baking cooking method of a cooking appliance and the cooking appliance, wherein the waterless baking cooking method of the cooking appliance comprises the following steps: controlling the heating device to continuously heat when the cooking appliance is in the heating stage, and exhausting at least part of gas in the cooking cavity by controlling the gas supply device and the exhaust valve; and when the cooking utensil enters the pressure maintaining stage, controlling the heating device to maintain the temperature in the cooking cavity within a preset temperature range. According to the waterless baking cooking method of the cooking appliance, accurate pressure control and real waterless baking cooking can be realized, and the taste of food can be improved.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a waterless baking cooking method of a cooking appliance and the cooking appliance.
Background
In the electric pressure cooker with the waterless baking function in the related art, the cover is provided with the float valve, the float valve is in an open state under the normal pressure state, and during cooking, steam generated in the cooking cavity can raise the pressure in the cooking cavity, so that cold air is exhausted by using the float valve to realize accurate pressure control until the float valve is jacked up to realize sealing. However, when the waterless baking function is used for cooking, a certain amount of water needs to be added into the cooking cavity in order to generate steam in the cooking cavity to realize pressure rise, so that the real waterless baking cooking cannot be realized, and the taste of food is affected.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a waterless baking cooking method for a cooking appliance, which can realize accurate pressure control and real waterless baking cooking, and is beneficial to improving the taste of food.
The invention further provides a cooking appliance.
According to the embodiment of the first aspect of the invention, the waterless baking cooking method of the cooking appliance, the cooking appliance is provided with a cooking cavity, the cooking appliance comprises a heating device for heating the cooking cavity, an air supply device for supplying air into the cooking cavity, an exhaust valve and a float valve, the waterless baking cooking program of the cooking appliance comprises a heating stage and a pressure maintaining stage, and the waterless baking cooking method comprises the following steps: controlling the heating device to continuously heat when the cooking appliance is in the heating stage, and exhausting at least part of gas in the cooking cavity by controlling the gas supply device and the exhaust valve; and when the cooking utensil enters the pressure maintaining stage, controlling the heating device to maintain the temperature in the cooking cavity within a preset temperature range.
According to the waterless baking cooking method of the cooking appliance, disclosed by the embodiment of the invention, the air supply device is controlled to supply air into the cooking cavity in the heating stage, so that the pressure in the cooking cavity can be increased, the float valve is jacked up, a sealed cavity is formed in the cooking cavity, at least part of gas in the cooking cavity can be exhausted by controlling the exhaust valve to be opened in the heating stage, the accurate pressure control depending on the temperature change in the cooking cavity is facilitated, and the heating device is controlled in the pressure maintaining stage, so that the temperature in the cooking cavity is maintained in the preset temperature range, the real waterless baking cooking is realized, and the food taste is improved.
According to some embodiments of the invention, the air supply device and the exhaust valve are not opened at the same time.
According to some embodiments of the invention, the exhausting at least part of the gas in the cooking cavity by controlling the gas supply device and the exhaust valve comprises: when the temperature in the cooking cavity reaches a first preset temperature, controlling the air supply device to supply air into the cooking cavity until the float valve is closed under the action of air pressure difference; and when the temperature in the cooking cavity reaches a second preset temperature, controlling the exhaust valve to be opened intermittently to exhaust, wherein the first preset temperature is 50-98 ℃, and the second preset temperature is 101-110 ℃.
According to some embodiments of the invention, when the temperature in the cooking cavity reaches a third preset temperature, the exhaust valve is controlled to be closed so as to enable the cooking utensil to enter a pressure maintaining stage.
According to some embodiments of the invention, the cooking utensil enters the pressure maintaining stage for a preset time, and the exhaust valve is controlled to be opened to exhaust until the float valve is opened under the action of the air pressure difference.
According to some embodiments of the invention, when the cooking appliance is in the heating stage and/or the pressure holding stage, the temperature of the wall of the cooking cavity close to the heating device is also detected, and the heating device is controlled according to the detection result.
In some embodiments, the controlling the heating device according to the detection result includes: determining that the detected temperature of the wall of the cooking cavity close to the heating device is greater than or equal to a fourth preset temperature, and controlling the heating device to stop heating; and determining that the detected temperature of the wall of the cooking cavity close to the heating device is lower than a fourth preset temperature, and controlling the heating device to continue heating, wherein the fourth preset temperature is 110-180 ℃.
According to a second embodiment of the present invention, there is provided a waterless baking cooking method for a cooking appliance having a cooking cavity, the cooking appliance including a heating device for heating the cooking cavity, an air supply device for supplying air into the cooking cavity, an exhaust valve, and a float valve, the waterless baking cooking program for the cooking appliance including a heating stage and a pressure maintaining stage, the waterless baking cooking method including the steps of: when the cooking appliance is in the heating stage, controlling the heating device to continuously heat, controlling the air supply device to supply air into the cooking cavity when the temperature in the cooking cavity reaches a first preset temperature until the float valve is closed under the action of air pressure difference, controlling the exhaust valve to be opened intermittently to exhaust when the temperature in the cooking cavity reaches a second preset temperature, and controlling the exhaust valve to be closed when the temperature in the cooking cavity reaches a third preset temperature to enable the cooking appliance to enter a pressure maintaining stage; when the cooking appliance enters the pressure maintaining stage, the heating device is controlled to maintain the temperature in the cooking cavity within a preset temperature range, the time of the cooking appliance entering the pressure maintaining stage reaches preset time, and the exhaust valve is controlled to be opened to exhaust until the float valve is opened under the action of air pressure difference; when the cooking appliance is in the heating stage and/or the pressure maintaining stage, the temperature of the wall of the cooking cavity close to the heating device is also detected, the detected temperature of the wall of the cooking cavity close to the heating device is determined to be greater than or equal to a fourth preset temperature, the heating device is controlled to stop heating, the detected temperature of the wall of the cooking cavity close to the heating device is determined to be less than the fourth preset temperature, and the heating device is controlled to continue heating.
A cooking appliance according to an embodiment of a third aspect of the present invention includes: the cooking device comprises a cooking body, a control device and a control system, wherein the cooking body is provided with a cooking cavity and is provided with an exhaust valve and a float valve; a heating device for heating the cooking cavity; an air supply device for supplying air into the cooking cavity; a control device in communication with the heating device, the gas supply device, and the exhaust valve, the control device being configured to control the heating device to heat when the cooking appliance is in a heating stage and to exhaust at least a portion of the gas in the cooking cavity by controlling the gas supply device and the exhaust valve, the control device being further configured to control the heating device to maintain the temperature in the cooking cavity within a preset temperature range when the cooking appliance is in a pressure maintaining stage.
According to the cooking appliance provided by the embodiment of the invention, through arranging the exhaust valve, the float valve and the air supply device, the air supply device can be controlled to supply air into the cooking cavity by the control device in the heating stage, so that the pressure in the cooking cavity is increased, the float valve is jacked up, a sealed cavity is formed in the cooking cavity, the exhaust valve can be controlled to be opened by the control device in the heating stage, so that at least part of air in the cooking cavity is exhausted, the accurate pressure control is realized by depending on the temperature change in the cooking cavity, the heating device can be controlled by the control device in the pressure maintaining stage, so that the temperature in the cooking cavity is maintained in a preset temperature range, the real anhydrous baking cooking is realized, and the taste of food is improved.
According to some embodiments of the invention, the control device controls the air supply device and the exhaust valve not to be opened simultaneously when the cooking appliance is in a heating stage.
According to some embodiments of the invention, the cooking appliance further comprises: the first temperature detection device is arranged on the cooking main body and used for detecting the temperature in the cooking cavity, and the control device is communicated with the first temperature detection device; position detecting means for detecting a position of the float valve; the control device is used for controlling the air supply device to supply air into the cooking cavity when the first temperature detection device detects that the temperature in the cooking cavity reaches a first preset temperature, and controlling the air supply device to stop supplying air into the cooking cavity when the position detection device detects that the float valve is closed under the action of air pressure difference; the control device is further used for controlling the exhaust valve to be opened intermittently to exhaust when the first temperature detection device detects that the temperature in the cooking cavity reaches a second preset temperature, wherein the first preset temperature is 50-98 ℃, and the second preset temperature is 101-110 ℃.
According to some embodiments of the invention, the control device controls the exhaust valve to close when the first temperature detection device detects that the temperature in the cooking cavity reaches a third preset temperature so as to enable the cooking utensil to enter a pressure maintaining stage; and/or the control device controls the exhaust valve to be opened to exhaust when the time of the cooking utensil entering the pressure maintaining stage reaches a preset time until the float valve is opened under the action of the air pressure difference.
According to some embodiments of the invention, the cooking appliance further comprises: the second temperature detection device is arranged on the cooking body and used for detecting the temperature of the cooking cavity close to the wall of the heating device, the control device is communicated with the second temperature detection device, and the control device is used for controlling the heating device according to the temperature of the cooking cavity close to the wall of the heating device, which is detected by the second temperature detection device, when the cooking appliance is in the heating stage and/or the pressure maintaining stage.
In some embodiments, the control device is configured to control the heating device to stop heating when the second temperature detection device detects that the temperature of the wall of the cooking cavity close to the heating device is greater than or equal to a fourth preset temperature; the control device is used for controlling the heating device to continue heating when the temperature of the wall of the cooking cavity, close to the heating device, detected by the second temperature detection device is lower than a fourth preset temperature, wherein the fourth preset temperature is 110-180 ℃.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a cooking appliance according to an embodiment of the present invention;
fig. 2 is a control flow chart of a waterless baking cooking method of a cooking appliance according to an embodiment of the present invention;
fig. 3 is a control flowchart of a waterless baking cooking method of a cooking appliance according to another embodiment of the present invention;
fig. 4 is a control flowchart of a waterless baking cooking method of a cooking appliance according to still another embodiment of the present invention;
fig. 5 is a pressure/temperature change graph of a cooking appliance according to an embodiment of the present invention while performing waterless baking cooking.
Reference numerals:
the cooking appliance 100 is provided with a cooking unit,
the cooking main body 10, the cooking container 11,
the combination of the cover 20, the air inlet 201,
a heating device 30, an air supply device 40, an air supply pump 41, a control valve 42,
the exhaust valve 50, the float valve 60, the first temperature detecting means 71, and the second temperature detecting means 72.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
A waterless baking cooking method of a cooking appliance, a cooking appliance according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
As shown in fig. 1, a cooking appliance according to an embodiment of the present invention has a cooking cavity. The cooking appliance comprises a heating device for heating the cooking cavity so as to heat the food in the cooking cavity. The cooking appliance can be an electric cooker, a pressure cooker, an electric stewpan, an oven, a microwave oven and the like with high-pressure cooking function.
In some embodiments, a cooking appliance includes a cooking container and a lid defining a cooking cavity therebetween. In other embodiments, cooking utensil includes box and door body, door body movably locates the box with the opening (for example the lateral part opening) of switching box, has placed the cooking container in the box, and the cooking chamber is injectd to the cooking container, perhaps, can directly place the edible material in the box, and the inner chamber of box directly forms the cooking chamber promptly.
Further, the cooking appliance further comprises an air supply device, an exhaust valve and a float valve, wherein the air supply device is used for supplying air into the cooking cavity. The exhaust valve is in a closed state under a normal state, the exhaust valve can be opened and closed under the control of a system, the float valve is in an open state under the normal state, and the float valve can be automatically opened and closed under the action of air pressure difference.
As shown in fig. 2 and 5, the waterless baking cooking program of the cooking appliance includes a heating stage and a pressure maintaining stage, and the waterless baking cooking method of the cooking appliance according to the embodiment of the present invention includes the following steps:
s1: controlling the heating device to continuously heat when the cooking appliance is in a heating stage, and exhausting at least part of gas in the cooking cavity by controlling the gas supply device and the exhaust valve;
s2: when the cooking utensil enters the pressure maintaining stage, the heating device is controlled to maintain the temperature in the cooking cavity within the preset temperature range.
According to the waterless baking cooking method of the cooking appliance, the pressure in the cooking cavity can be increased by controlling the air supply device to supply air to the cooking cavity in the heating stage, so that the float valve is jacked up, a sealed cavity is formed in the cooking cavity, at least part of air in the cooking cavity can be discharged by controlling the exhaust valve to be opened in the heating stage, accurate pressure control can be realized by means of temperature change in the cooking cavity, the heating device is controlled in the pressure maintaining stage, the temperature in the cooking cavity is maintained in the preset temperature range, real waterless baking cooking is realized, and the taste of food is improved.
According to some embodiments of the invention, the air supply device and the exhaust valve are not opened at the same time.
Specifically, when the cooking appliance is in a heating stage, the heating device is controlled to heat the food material in the cooking cavity, and the temperature in the cooking cavity gradually rises. When the air supply device is controlled to be opened, the exhaust valve is in a closed state, so that air is supplied into the cooking cavity by the air supply device, the air pressure in the cooking cavity is rapidly increased, the float valve is jacked up under the action of the air pressure difference, namely the float valve is switched from an open state to a closed state, and the cooking cavity forms a sealed cavity.
Along with heating device continues to heat the culinary art chamber, the culinary art intracavity continues to produce vapor to make atmospheric pressure and the temperature in the culinary art intracavity constantly rise, because the culinary art intracavity is thoughtlessly had the air, thereby make the mode that adopts the temperature to carry out the accuse pressure inaccurate, consequently need will cook the air escape of intracavity, open through control discharge valve, air supply device closes this moment, can be with the air escape in the culinary art intracavity, do benefit to the accurate accuse pressure of realization.
As shown in fig. 2 to 3, according to some embodiments of the present invention, the exhausting at least a portion of gas in the cooking cavity by controlling the gas supply device and the exhaust valve includes:
s11: when the temperature in the cooking cavity reaches a first preset temperature, controlling the air supply device to supply air into the cooking cavity until the float valve is closed under the action of air pressure difference;
s12: and controlling the exhaust valve to be opened intermittently to exhaust when the temperature in the cooking cavity reaches a second preset temperature.
That is, after the user performs the waterless baking cooking function of the cooking appliance, the exhaust valve is in a closed state and the float valve is in an open state.
As shown in fig. 5, the heating phase includes a normal pressure phase and a pressure rise phase, when the cooking appliance enters the heating phase, the heating device is controlled to heat the cooking cavity, and the temperature in the cooking cavity is detected in real time, the temperature in the cooking cavity rises rapidly along with the operation of the heating device, the food material in the cooking cavity is gradually heated, a small amount of water vapor is generated, the cooking cavity is conducted with the outside, and the cooking appliance is in the normal pressure phase in the heating phase.
When the temperature in the cooking cavity reaches the first preset temperature T1, the air supply device is controlled to supply air to the cooking cavity, the air pressure in the cooking cavity is gradually increased, the float valve is automatically jacked up under the action of the air pressure difference, namely the float valve is switched from the open state to the closed state, so that the cooking cavity forms a sealed cavity, and then the air supply device is controlled to stop supplying air to the cooking cavity.
Because the cooking cavity is the sealed cavity, along with heating device continues to heat, the food material in the cooking cavity continues to produce vapor, atmospheric pressure and temperature in the cooking cavity constantly rise, and the cooking utensil has the pressure stage that is in the heating stage this moment, when detecting that the temperature in the cooking cavity reaches second preset temperature T2, controls the discharge valve and opens intermittently to the gas outgoing in the cooking cavity. Because the air content in the cooking cavity is gradually reduced, accurate pressure control can be realized according to the temperature.
In some embodiments, the first predetermined temperature is 50 ℃ to 98 ℃ and the second predetermined temperature is 101 ℃ to 110 ℃. For example, the first preset temperature may be 50 ℃, 60 ℃, 70 ℃, 80 ℃ or 98 ℃, and the second preset temperature may be 101 ℃, 105 ℃ or 110 ℃.
In some specific examples, when the temperature in the cooking cavity reaches 70 ℃ is detected, the air supply device is controlled to supply air to the cooking cavity, the air pressure in the cooking cavity is gradually increased, the float valve is automatically jacked under the action of the air pressure difference, namely the float valve is switched from the open state to the closed state, so that the cooking cavity forms a sealed cavity, and then the air supply device is controlled to stop supplying air to the cooking cavity. And when the temperature in the cooking cavity reaches 105 ℃, the exhaust valve is controlled to be opened intermittently, so that the gas in the cooking cavity is exhausted.
As shown in fig. 3 and 5, according to some embodiments of the present invention, when the temperature in the cooking cavity reaches a third preset temperature, the exhaust valve is controlled to be closed to enable the cooking appliance to enter the pressure maintaining stage.
That is, as the heating device continues to heat the cooking cavity, the temperature in the cooking cavity continues to rise, and when the temperature in the cooking cavity reaches the third preset temperature T3, the cooking appliance is marked to perform the pressure maintaining stage, at which time the exhaust valve is controlled to be closed, and the cooking cavity forms the sealed cavity again.
And in the pressure maintaining stage, the heating device is controlled to intermittently heat or continuously heat in a low-power mode, so that the temperature in the cooking cavity is maintained in a preset temperature range, and because the air in the cooking cavity is exhausted in the heating stage, the air content in the cooking cavity is very little or almost zero, the pressure change in the cooking cavity can be monitored through the temperature change in the cooking cavity, so that the air pressure in the cooking cavity is maintained in the preset air pressure range, and accurate pressure control is realized.
According to some embodiments of the invention, the cooking utensil enters the pressure maintaining stage for a preset time t0, and the exhaust valve is controlled to be opened to exhaust until the float valve is opened under the action of the air pressure difference.
In other words, when the float valve is detected to fall under the action of the air pressure difference, namely the float valve is switched from the closed state to the open state, the exhaust valve is controlled to be closed, and the fact that the waterless baking cooking is finished is marked, so that the food in the cooking cavity is guaranteed to be truly waterless baking cooking.
As shown in fig. 4, according to some embodiments of the present invention, when the cooking appliance is in the heating stage and/or the pressure maintaining stage, the temperature of the wall of the cooking cavity near the heating device is also detected, and the heating device is controlled according to the detection result. The temperature of the wall of the cooking cavity close to the heating device is detected, and the heating device is controlled to be started or stopped according to the detected temperature of the wall of the cooking cavity close to the heating device, so that the cooking appliance is protected, and the phenomenon of gelatinization caused by overhigh temperature of the wall of the cooking cavity close to the heating device is prevented.
In some embodiments, controlling the heating device according to the detection result includes:
determining that the detected temperature of the wall of the cooking cavity close to the heating device is greater than or equal to a fourth preset temperature, and controlling the heating device to stop heating;
and determining that the detected temperature of the wall of the cooking cavity close to the heating device is less than a fourth preset temperature, and controlling the heating device to continue heating.
Specifically, after the waterless baking cooking function of the cooking appliance, when the cooking appliance is in a heating stage and/or a pressure maintaining stage, the temperature of the wall, close to the heating device, of the cooking cavity is detected in real time, when the temperature, close to the wall of the heating device, of the cooking cavity is detected to be greater than or equal to a fourth preset temperature, the heating device is controlled to stop heating, the wall, close to the heating device, of the cooking cavity is prevented from being gelatinized due to overhigh temperature, the cooking appliance is protected, when the temperature, close to the wall of the heating device, of the cooking cavity is detected to be less than the fourth preset temperature, the heating device can be controlled to continue heating, the waterless baking cooking process is completed, and real waterless baking cooking of food materials in the cooking cavity is achieved.
It should be noted that, when the water content of the food material added into the cooking cavity by the user is too low or anhydrous, the cooking appliance may stop heating due to the fact that the temperature of the wall of the cooking cavity close to the heating device is too high in the heating stage or the pressure maintaining stage, that is, the cooking appliance cannot finish anhydrous baking cooking, at this time, the cooking appliance may be controlled to give a prompt to the user, so that the user is prompted that the food material at this time is too dry or has too low water content, and the anhydrous baking cooking cannot be realized, and the user may be prompted that only a small amount of water is added into the cooking cavity to perform anhydrous baking cooking.
In some examples, the fourth predetermined temperature is 110 ℃ to 180 ℃. For example, the fourth predetermined temperature may be 110 ℃, 120 ℃, 130 ℃, 140 ℃, 150 ℃, 160 ℃, 170 ℃ or 180 ℃.
A specific embodiment of the waterless roasting cooking method of a cooking appliance according to the present invention is described in detail as follows.
The cooking appliance according to the embodiment of the present invention has a cooking cavity. The cooking appliance comprises a heating device for heating the cooking cavity so as to heat the food in the cooking cavity. The cooking appliance can be an electric cooker, a pressure cooker, an electric stewpan, an oven, a microwave oven and the like with high-pressure cooking function.
In some embodiments, a cooking appliance includes a cooking container and a lid defining a cooking cavity therebetween. In other embodiments, cooking utensil includes box and door body, door body movably locates the box with the opening (for example the lateral part opening) of switching box, has placed the cooking container in the box, and the cooking chamber is injectd to the cooking container, perhaps, can directly place the edible material in the box, and the inner chamber of box directly forms the cooking chamber promptly.
Further, the cooking appliance further comprises an air supply device, an exhaust valve and a float valve, wherein the air supply device is used for supplying air into the cooking cavity. The exhaust valve is in a closed state under a normal state, the exhaust valve can be opened and closed under the control of a system, the float valve is in an open state under the normal state, and the float valve can be automatically opened and closed under the action of air pressure difference.
As shown in fig. 5, the waterless baking cooking program of the cooking appliance includes a heating stage and a pressure maintaining stage, and the waterless baking cooking method includes the following steps:
when the cooking appliance is in a heating stage, controlling the heating device to continuously heat, controlling the air supply device to supply air into the cooking cavity when the temperature in the cooking cavity reaches a first preset temperature, controlling the exhaust valve to be opened intermittently to exhaust until the float valve is closed under the action of air pressure difference, controlling the exhaust valve to be closed when the temperature in the cooking cavity reaches a second preset temperature, and controlling the exhaust valve to be closed to enable the cooking appliance to enter a pressure maintaining stage when the temperature in the cooking cavity reaches a third preset temperature;
when the cooking utensil enters a pressure maintaining stage, the heating device is controlled to maintain the temperature in the cooking cavity within a preset temperature range, the time when the cooking utensil enters the pressure maintaining stage reaches preset time, and the exhaust valve is controlled to be opened to exhaust until the float valve is opened under the action of air pressure difference;
when the cooking appliance is in a heating stage and/or a pressure maintaining stage, the temperature of the wall of the cooking cavity close to the heating device is detected, the detected temperature of the wall of the cooking cavity close to the heating device is determined to be greater than or equal to a fourth preset temperature, the heating device is controlled to stop heating, the detected temperature of the wall of the cooking cavity close to the heating device is determined to be less than the fourth preset temperature, and the heating device is controlled to continue heating.
According to the waterless baking cooking method of the cooking appliance, when the temperature in the cooking cavity reaches the first preset temperature in the heating stage, the air supply device is controlled to supply air to the cooking cavity, so that the pressure in the cooking cavity can be increased, the float valve is jacked up, a sealed cavity is formed in the cooking cavity, and when the temperature in the cooking cavity reaches the second preset temperature in the heating stage, the exhaust valve is controlled to be opened, so that at least part of gas in the cooking cavity can be exhausted, and accurate pressure control can be realized by means of temperature change in the cooking cavity.
Further, the heating device is controlled to intermittently heat in the pressure maintaining stage, or the heating device is controlled to continuously heat in a low-power mode, so that the temperature in the cooking cavity is maintained in a preset temperature range, and because the air in the cooking cavity is exhausted in the heating stage, the air content in the cooking cavity is little or almost zero, the pressure change in the cooking cavity can be monitored through the temperature change in the cooking cavity, so that the air pressure in the cooking cavity is maintained in the preset air pressure range, and accurate pressure control is realized.
In addition, through in heating stage and/or pressurize stage, control heating device and stop heating when detecting that the temperature of the wall that is close to heating device of culinary art chamber is greater than or equal to fourth preset temperature, prevent that the wall that is close to heating device of culinary art chamber from causing the gelatinization phenomenon because of the high temperature, thereby form the protection to cooking utensil, when detecting that the temperature of the wall that is close to heating device of culinary art chamber is less than fourth preset temperature, then can control heating device and continue to heat, thereby accomplish anhydrous roast culinary art process, make the edible material in the culinary art intracavity realize real anhydrous roast culinary art.
The cooking appliance 100 according to the embodiment of the present invention is described in detail below with reference to the accompanying drawings. The cooking appliance 100 may be an electric cooker, a pressure cooker, an electric stewpan, an oven, a microwave oven, or the like.
As shown in fig. 1, a cooking appliance 100 according to an embodiment of the present invention includes a cooking body 10 and a heating device 30. The cooking body 10 has a cooking cavity for placing food materials, and the heating device 30 is provided to the cooking body 10 for heating the cooking cavity.
Be equipped with discharge valve 50 and float valve 60 on the culinary art main part 10, discharge valve 50 is in the closed condition under the normal state to make culinary art chamber isolated with external, switch to the open mode under control as discharge valve 50, thereby make culinary art chamber and external intercommunication, can realize exhausting through control discharge valve 50 promptly. The float valve 60 is normally in an open state, and the float valve 60 can be automatically opened and closed by a difference in air pressure.
According to the cooking appliance 100 of the embodiment of the invention, by arranging the exhaust valve 50, the float valve 60 and the air supply device 40, the air supply device 40 can be controlled to supply air into the cooking cavity by using the control device in the heating stage, so that the pressure in the cooking cavity is increased, the float valve 60 is jacked up, a sealed cavity is formed in the cooking cavity, the exhaust valve 50 can be controlled to be opened by using the control device in the heating stage, so that at least part of air in the cooking cavity is exhausted, accurate pressure control depending on the temperature change in the cooking cavity is facilitated, and the heating device 30 can be controlled by using the control device in the pressure maintaining stage, so that the temperature in the cooking cavity is maintained in a preset temperature range, thereby realizing real anhydrous baking cooking and improving the taste of food.
In some embodiments, the cooking body 10 includes a cooking container 11, the cooking appliance 100 further includes a cover 20, the cover 20 is movably disposed on the cooking body 10, a cooking cavity is defined between the cooking container 11 and the cover 20, and the exhaust valve 50 and the float valve 60 may be disposed on the cover 20.
In other embodiments, the cooking appliance 100 includes a box body and a door body, the door body is movably disposed on the box body to open and close an opening (e.g., a side opening) of the box body, the cooking container 11 is placed in the box body, the cooking container 11 defines a cooking cavity, or food materials can be directly placed in the box body, i.e., an inner cavity of the box body directly forms the cooking cavity.
As shown in fig. 1, according to some embodiments of the present invention, the cooking body 10 has an air inlet 201, the air supply device 40 includes an air supply pump 41 and a control valve 42, the air supply pump 41 is communicated with the air inlet 201 through a pipeline, and the control valve 42 is provided on the pipeline for controlling the on/off of the pipeline between the air supply pump 41 and the air inlet 201. By providing the control valve 42 in the pipe, the control valve 42 can protect the air feed pump 41.
The control valve 42 may be an electromagnetic valve, and when the electromagnetic valve is in a power-off state, the electromagnetic valve is in a closed state, so that the pipeline between the air supply pump 41 and the air inlet 201 is disconnected, and when the electromagnetic valve is in a power-on state, the electromagnetic valve is in an open state, so that the pipeline between the air supply pump 41 and the air inlet 201 is communicated, and the air supply pump 41 supplies air into the cooking cavity conveniently.
According to some embodiments of the present invention, the control device controls the air supply device 40 and the exhaust valve 50 not to be opened simultaneously when the cooking appliance 100 is in the heating stage.
Specifically, when the cooking appliance 100 is in the heating stage, the control device controls the heating device 30 to heat the food material in the cooking cavity, and the temperature in the cooking cavity gradually increases.
When the control device controls the air supply device 40 to be opened, the exhaust valve 50 is in a closed state, so that air is supplied into the cooking cavity by the air supply device 40, the air pressure in the cooking cavity is rapidly increased, the float valve 60 is pushed upwards under the action of the air pressure difference, namely the float valve 60 is switched from an open state to a closed state, and the cooking cavity forms a sealed cavity.
Along with heating device 30 continues to heat the culinary art chamber, the culinary art intracavity continues to produce vapor to make atmospheric pressure and the temperature in the culinary art intracavity constantly rise, because the culinary art intracavity is thoughtlessly had the air, thereby make the mode that adopts the temperature to carry out the accuse pressure inaccurate, consequently need will cook the air escape of intracavity, open through control discharge valve 50, air supply device 40 closes this moment, can discharge the air in the culinary art intracavity, does benefit to and realizes accurate accuse pressure.
As shown in fig. 1, according to some embodiments of the present invention, the cooking appliance 100 further includes a first temperature detecting means 71 and a position detecting means, the first temperature detecting means 71 being provided to the cooking body 10 for detecting the temperature inside the cooking cavity, the position detecting means being for detecting the position of the float valve.
The control device is used for controlling the air supply device 40 to supply air to the cooking cavity when the first temperature detection device 71 detects that the temperature in the cooking cavity reaches a first preset temperature, and controlling the air supply device 40 to stop supplying air to the cooking cavity when the position detection device detects that the float valve 60 is closed under the action of air pressure difference;
the control device is also used for controlling the exhaust valve 50 to be opened intermittently to exhaust when the first temperature detection device 71 detects that the temperature in the cooking cavity reaches the second preset temperature.
That is, after the user performs the waterless roasting cooking function of the cooking appliance 100, the exhaust valve 50 is in a closed state and the float valve 60 is in an open state.
When the cooking appliance 100 enters a heating stage, the control device controls the heating device 30 to heat the cooking cavity, and the first temperature detection device 71 detects the temperature in the cooking cavity in real time, the temperature in the cooking cavity rises rapidly along with the operation of the heating device 30, the food in the cooking cavity is heated gradually, and a small amount of water vapor is generated.
When the first temperature detection device 71 detects that the temperature in the cooking cavity reaches the first preset temperature, the control device controls the air supply device 40 to supply air into the cooking cavity, the air pressure in the cooking cavity gradually rises, the float valve 60 automatically jacks up under the action of the air pressure difference, namely the float valve 60 is switched from the open state to the closed state, so that the cooking cavity forms a sealed cavity, and then the control device controls the air supply device 40 to stop supplying air into the cooking cavity.
As the heating device 30 continues to heat, the food material in the cooking cavity continues to generate steam, the pressure and temperature in the cooking cavity continuously rise, and when the first temperature detecting device 71 detects that the temperature in the cooking cavity reaches the second preset temperature, the control device controls the exhaust valve 50 to be opened intermittently, so as to exhaust the gas in the cooking cavity. Because the air content in the cooking cavity is gradually reduced, accurate pressure control can be realized according to the temperature.
In some embodiments, the first predetermined temperature is 50 ℃ to 98 ℃ and the second predetermined temperature is 101 ℃ to 110 ℃. For example, the first preset temperature may be 50 ℃, 60 ℃, 70 ℃, 80 ℃ or 98 ℃, and the second preset temperature may be 101 ℃, 105 ℃ or 110 ℃.
In some specific examples, when the first temperature detecting device 71 detects that the temperature in the cooking cavity reaches 70 ℃, the control device controls the air supply device 40 to supply air into the cooking cavity, the air pressure in the cooking cavity gradually rises, the float valve 60 automatically jacks up under the action of the air pressure difference, namely the float valve 60 is switched from the open state to the closed state, so that the cooking cavity forms a sealed cavity, and then the control device controls the air supply device 40 to stop supplying air into the cooking cavity. As the heating device 30 continues to heat, the food material in the cooking cavity continues to generate steam, the pressure and temperature in the cooking cavity continuously rise, and when the first temperature detection device 71 detects that the temperature in the cooking cavity reaches 105 ℃, the exhaust valve 50 is controlled to be opened intermittently, so that the gas in the cooking cavity is exhausted.
According to some embodiments of the present invention, the control device controls the exhaust valve 50 to close when the first temperature detection device 71 detects that the temperature in the cooking cavity reaches the third preset temperature, so as to enable the cooking appliance 100 to enter the pressure maintaining stage.
That is, as the heating device 30 continues to heat the cooking cavity, the temperature in the cooking cavity continues to rise, and when the first temperature detecting device 71 detects that the temperature in the cooking cavity reaches the third preset temperature, which marks that the cooking utensil 100 is performing the pressure maintaining stage, the control device controls the exhaust valve 50 to close, and the cooking cavity forms the sealed chamber again.
In addition, in the pressure maintaining stage, the control device controls the heating device 30 to heat intermittently, or controls the heating device 30 to heat continuously in a low-power mode, so that the temperature in the cooking cavity is maintained within a preset temperature range, and because the air in the cooking cavity is exhausted in the heating stage, the air content in the cooking cavity is little or almost zero, the pressure change in the cooking cavity can be monitored through the temperature change in the cooking cavity, so that the air pressure in the cooking cavity is maintained within the preset air pressure range, and accurate pressure control is realized.
According to some embodiments of the present invention, the control means controls the exhaust valve 50 to open for exhausting until the float valve 60 opens under the action of the air pressure difference when the time when the cooking appliance 100 enters the pressure maintaining stage reaches a preset time.
In other words, when the position detection device detects that the float valve falls under the action of the air pressure difference, that is, the float valve 60 is switched from the closed state to the open state, the control device controls the exhaust valve 50 to close, which marks that the anhydrous baking cooking is finished, so as to ensure that the food in the cooking cavity realizes the real anhydrous baking cooking.
As shown in fig. 1, according to some embodiments of the present invention, the cooking appliance 100 further includes a second temperature detecting device 72, and the second temperature detecting device 72 is provided to the cooking body 10 for detecting the temperature of the wall of the cooking cavity close to the heating device 30.
The control means communicates with the second temperature detecting means 72, and the control means is used for controlling the heating means 30 according to the temperature of the wall of the cooking cavity close to the heating means 30 detected by the second temperature detecting means 72 when the cooking appliance 100 is in the heating stage and/or the pressure maintaining stage.
Therefore, the temperature of the wall of the cooking cavity close to the heating device 30 is detected by the second temperature detection device 72, and the control device can control the start and stop of the heating device 30 according to the detected temperature of the wall of the cooking cavity close to the heating device 30, so that the cooking appliance 100 is protected, and the wall of the cooking cavity close to the heating device 30 is prevented from being gelatinized due to overhigh temperature.
In some embodiments, the control means is adapted to control the heating means 30 to stop heating when the second temperature detection means 72 detects that the temperature of the wall of the cooking cavity close to the heating means 30 is greater than or equal to a fourth preset temperature; the control means is adapted to control the heating means 30 to continue heating when the temperature of the wall of the cooking cavity close to the heating means 30 detected by the second temperature detecting means 72 is less than the fourth preset temperature.
Specifically, the user detects the temperature of the wall of the cooking cavity close to the heating device 30 in real time while the cooking appliance 100 is in the heating stage and/or the pressure maintaining stage after the waterless roasting cooking function of the cooking appliance 100.
When the second temperature detecting device 72 detects that the temperature of the wall of the cooking cavity close to the heating device 30 is greater than or equal to the fourth preset temperature, the control device controls the heating device 30 to stop heating, so as to prevent the wall of the cooking cavity close to the heating device 30 from being gelatinized due to overhigh temperature, and thus protect the cooking appliance 100.
When the second temperature detection device 72 detects that the temperature of the wall of the cooking cavity close to the heating device 30 is lower than the fourth preset temperature, the control device controls the heating device 30 to continue heating, so that the waterless baking cooking process is completed, and the food in the cooking cavity is really baked and cooked without water.
It should be noted that, when the water content of the food material added into the cooking cavity by the user is too low or anhydrous, the cooking appliance 100 may be in the heating stage or the pressure maintaining stage, and the heating device 30 may be controlled to stop heating due to the overhigh temperature of the wall of the cooking cavity close to the heating device 30, that is, the cooking appliance 100 cannot complete anhydrous baking cooking, at this time, a prompt device for controlling the cooking appliance 100 by the control device sends a prompt to the user, so as to prompt the user that the food material at this time cannot be baked and cooked due to too dry or too low water content, and the user may be prompted to add a small amount of water into the cooking cavity to perform anhydrous baking and cooking.
In some examples, the fourth predetermined temperature is 110 ℃ to 180 ℃. For example, the fourth predetermined temperature may be 110 ℃, 120 ℃, 130 ℃, 140 ℃, 150 ℃, 160 ℃, 170 ℃ or 180 ℃.
In the description of the present invention, it is to be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Other constructions and operations of the cooking appliance 100 according to the embodiment of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (14)
1. A waterless baking cooking method of a cooking appliance, wherein the cooking appliance is provided with a cooking cavity, the cooking appliance comprises a heating device for heating the cooking cavity, an air supply device for supplying air into the cooking cavity, an exhaust valve and a float valve, a waterless baking cooking program of the cooking appliance comprises a heating stage and a pressure maintaining stage, and the waterless baking cooking method comprises the following steps:
when the cooking appliance is in the heating stage, controlling the heating device to continuously heat, and controlling the air supply device and the exhaust valve to exhaust at least part of gas in the cooking cavity;
and when the cooking utensil enters the pressure maintaining stage, controlling the heating device to maintain the temperature in the cooking cavity within a preset temperature range.
2. The waterless baking cooking method of a cooking appliance according to claim 1, wherein the air supply device and the exhaust valve are not simultaneously opened.
3. The waterless baking cooking method of a cooking appliance according to claim 1, wherein the controlling of the air supply device and the exhaust valve to exhaust at least a portion of the air in the cooking cavity comprises:
when the temperature in the cooking cavity reaches a first preset temperature, controlling the air supply device to supply air to the cooking cavity until the float valve is closed under the action of air pressure difference;
when the temperature in the cooking cavity reaches a second preset temperature, the exhaust valve is controlled to be opened intermittently to exhaust,
wherein the first preset temperature is 50-98 ℃, and the second preset temperature is 101-110 ℃.
4. The waterless baking cooking method for cooking utensil of claim 1 wherein the exhaust valve is controlled to close to allow the cooking utensil to enter a pressure holding stage when the temperature in the cooking cavity reaches a third preset temperature.
5. The waterless baking cooking method for cooking utensil of claim 1 wherein the time for the cooking utensil to enter the pressure maintaining stage reaches a preset time, and the exhaust valve is controlled to open for exhausting until the float valve opens under the action of the air pressure difference.
6. The waterless baking cooking method for cooking utensil of claim 1, wherein the temperature of the wall of the cooking cavity near the heating device is also detected when the cooking utensil is in the heating stage and/or the pressure holding stage, and the heating device is controlled according to the detection result.
7. The waterless baking cooking method of a cooking appliance according to claim 6, wherein the controlling the heating device according to the detection result includes:
determining that the detected temperature of the wall of the cooking cavity close to the heating device is greater than or equal to a fourth preset temperature, and controlling the heating device to stop heating;
determining that the detected temperature of the wall of the cooking cavity close to the heating device is less than the fourth preset temperature, controlling the heating device to continue heating,
wherein the fourth preset temperature is 110-180 ℃.
8. A waterless baking cooking method of a cooking appliance, wherein the cooking appliance is provided with a cooking cavity, the cooking appliance comprises a heating device for heating the cooking cavity, an air supply device for supplying air into the cooking cavity, an exhaust valve and a float valve, a waterless baking cooking program of the cooking appliance comprises a heating stage and a pressure maintaining stage, and the waterless baking cooking method comprises the following steps:
when the cooking appliance is in the heating stage, controlling the heating device to continuously heat, controlling the air supply device to supply air into the cooking cavity when the temperature in the cooking cavity reaches a first preset temperature until the float valve is closed under the action of air pressure difference, controlling the exhaust valve to be opened intermittently to exhaust when the temperature in the cooking cavity reaches a second preset temperature, and controlling the exhaust valve to be closed when the temperature in the cooking cavity reaches a third preset temperature to enable the cooking appliance to enter a pressure maintaining stage;
when the cooking appliance enters the pressure maintaining stage, the heating device is controlled to maintain the temperature in the cooking cavity within a preset temperature range, the time of the cooking appliance entering the pressure maintaining stage reaches preset time, and the exhaust valve is controlled to be opened to exhaust until the float valve is opened under the action of air pressure difference;
when the cooking appliance is in the heating stage and/or the pressure maintaining stage, the temperature of the wall of the cooking cavity close to the heating device is also detected, the detected temperature of the wall of the cooking cavity close to the heating device is determined to be greater than or equal to a fourth preset temperature, the heating device is controlled to stop heating, the detected temperature of the wall of the cooking cavity close to the heating device is determined to be less than the fourth preset temperature, and the heating device is controlled to continue heating.
9. A cooking appliance, comprising:
the cooking device comprises a cooking body, a control device and a control system, wherein the cooking body is provided with a cooking cavity and is provided with an exhaust valve and a float valve;
a heating device for heating the cooking cavity;
an air supply device for supplying air into the cooking cavity;
a control device in communication with the heating device, the gas supply device, and the exhaust valve, the control device being configured to control the heating device to heat when the cooking appliance is in a heating stage and to exhaust at least a portion of the gas in the cooking cavity by controlling the gas supply device and the exhaust valve, the control device being further configured to control the heating device to maintain the temperature in the cooking cavity within a preset temperature range when the cooking appliance is in a pressure maintaining stage.
10. The cooking appliance of claim 9, wherein the control means controls the air delivery means and the exhaust valve not to be open simultaneously when the cooking appliance is in a heating phase.
11. The cooking appliance of claim 9, further comprising:
the first temperature detection device is arranged on the cooking main body and used for detecting the temperature in the cooking cavity, and the control device is communicated with the first temperature detection device;
position detecting means for detecting a position of the float valve;
the control device is used for controlling the air supply device to supply air into the cooking cavity when the first temperature detection device detects that the temperature in the cooking cavity reaches a first preset temperature, and controlling the air supply device to stop supplying air into the cooking cavity when the position detection device detects that the float valve is closed under the action of air pressure difference; the control device is also used for controlling the exhaust valve to be opened intermittently to exhaust when the first temperature detection device detects that the temperature in the cooking cavity reaches a second preset temperature,
wherein the first preset temperature is 50-98 ℃, and the second preset temperature is 101-110 ℃.
12. The cooking appliance according to claim 9, wherein the control device controls the exhaust valve to close when the first temperature detection device detects that the temperature in the cooking cavity reaches a third preset temperature so as to enable the cooking appliance to enter a pressure maintaining stage; and/or the control device controls the exhaust valve to be opened to exhaust when the time of the cooking utensil entering the pressure maintaining stage reaches a preset time until the float valve is opened under the action of the air pressure difference.
13. The cooking appliance of claim 9, further comprising:
a second temperature detection device disposed on the cooking body for detecting a temperature of a wall of the cooking cavity near the heating device, the control device being in communication with the second temperature detection device,
the control device is used for controlling the heating device according to the temperature of the wall of the cooking cavity close to the heating device detected by the second temperature detection device when the cooking appliance is in the heating stage and/or the pressure maintaining stage.
14. The cooking appliance according to claim 13, wherein the control means is configured to control the heating means to stop heating when the second temperature detection means detects that the temperature of the wall of the cooking cavity close to the heating means is greater than or equal to a fourth preset temperature; the control device is used for controlling the heating device to continue heating when the temperature of the wall of the cooking cavity, which is close to the heating device and is detected by the second temperature detection device, is lower than the fourth preset temperature,
wherein the fourth preset temperature is 110-180 ℃.
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