CN110786732A - Cooking appliance and control method thereof - Google Patents
Cooking appliance and control method thereof Download PDFInfo
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- CN110786732A CN110786732A CN201810872875.9A CN201810872875A CN110786732A CN 110786732 A CN110786732 A CN 110786732A CN 201810872875 A CN201810872875 A CN 201810872875A CN 110786732 A CN110786732 A CN 110786732A
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- fan
- cooking appliance
- cooking
- limiting
- cooking cavity
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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
Abstract
The invention provides a cooking appliance and a control method thereof, wherein the control method of the cooking appliance comprises the following steps: after cooking is finished, the exhaust valve of the cooking appliance is controlled to be closed, and the fan is controlled to be opened to blow air to dissipate heat of the cooking cavity of the cooking appliance. According to the control method provided by the invention, the fan dissipates heat to the cooking cavity in the fresh-keeping stage after cooking is finished, so that air and food in the cooking cavity are rapidly cooled, negative pressure is rapidly generated in the cooking cavity, the sealing ring is attached to the floater under the action of the negative pressure, the floater hole is sealed, the sealed cooking cavity is formed, and the phenomenon that the negative pressure cannot be generated due to air leakage of the cooking cavity is avoided.
Description
Technical Field
The invention relates to the field of kitchen appliances, in particular to a control method of a cooking appliance and the cooking appliance.
Background
The negative pressure is helpful for prolonging the preservation time of food, so that the negative pressure function can be developed on a cooking appliance such as a pressure cooker, but the float needs to be sealed in a one-way, the two-way sealing with the positive pressure and the negative pressure which can be sealed is changed, and the negative pressure is realized in the pressure cooker by utilizing the principle of expansion with heat and contraction with cold. However, because the temperature in the cooking cavity is reduced slowly, the negative pressure rate generated in the process of expansion with heat and contraction with cold is slow, and the pressure in the cooking cavity is extremely low in the initial stage of generating the negative pressure, the sealing ring is difficult to be attracted to the sealing part, and air leakage is easy to occur, so that the negative pressure is difficult to generate. Meanwhile, some food materials need to be cooled quickly after cooking is finished, so that the taste of the food is prevented from being damaged by a large amount of waste heat in the pot.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, a first aspect of the present invention is directed to a method of controlling a cooking appliance.
It is an object of a second aspect of the present invention to provide a cooking appliance.
A third aspect of the present invention is directed to a cooking appliance.
In order to achieve the above object, a first aspect of the present invention provides a method for controlling a cooking appliance, the cooking appliance including a cooking appliance main body and a fan provided on the cooking appliance main body, the method comprising: and after cooking is finished, controlling an exhaust valve of the cooking appliance to be closed, and controlling the fan to be opened to blow air to dissipate heat of a cooking cavity of the cooking appliance.
According to the control method of the cooking appliance provided by the technical scheme of the invention, the fan is controlled to be started, the fan radiates heat to the cooking cavity, so that air and food in the cooking cavity are rapidly cooled, negative pressure is generated in the cooking cavity by utilizing the principle of expansion with heat and contraction with cold, the fan accelerates the cooling of the air and food in the cooking cavity, so that negative pressure is rapidly generated in the cooking cavity, the float falls down under the action of the negative pressure to be positioned at the lower sealing position, and the exhaust valve is in the closing state, so that the sealing of the cooking cavity is realized, and the phenomenon that the negative pressure cannot be generated due to the air leakage. The preservation time that can prolong food through being in negative pressure state in the stage cooking chamber that keeps fresh, and cook and eat the material quick cooling to the cooking chamber after finishing, can also prevent to cook the taste that the intracavity a large amount of waste heat destroyed food.
In addition, the control method of the cooking utensil provided by the technical scheme of the invention also has the following additional technical characteristics:
in the above technical solution, preferably, the controlling of closing the exhaust valve of the cooking appliance and controlling of opening the fan to blow and dissipate heat of the cooking cavity of the cooking appliance further includes: detecting the temperature in the cooking cavity, or detecting the pressure in the cooking cavity, or recording the duration of the fan in the on state; judging whether the temperature in the cooking cavity reaches a first preset temperature or not, or judging whether the pressure in the cooking cavity reaches a first preset pressure or not, or judging whether the time length of the fan in the opening state reaches a first preset time length or not; and if so, controlling the fan to be closed.
In the above technical solution, preferably, the first preset temperature is in a range of 50 ℃ to 90 ℃.
In the foregoing technical solution, preferably, before controlling the exhaust valve of the cooking appliance to close and controlling the fan to open to blow air to dissipate heat of the cooking cavity of the cooking appliance, the method for controlling the cooking appliance further includes: controlling an exhaust valve to open after cooking is finished; detecting the temperature in the cooking cavity, or detecting the pressure in the cooking cavity, or recording the duration of the exhaust valve in an opening state; judging whether the temperature in the cooking cavity reaches a second preset temperature or not, or judging whether the pressure in the cooking cavity reaches a second preset pressure or not, or judging whether the duration of the exhaust valve in the opening state reaches a second preset duration or not; and if so, controlling the exhaust valve to close and entering the fresh-keeping stage.
In the above technical solution, preferably, the second preset temperature is in a range of 100 ℃ to 110 ℃.
An aspect of the second aspect of the present invention provides a cooking appliance, including: the cooking appliance comprises a cooking appliance main body, a cooking cavity and a cover body, wherein the cooking appliance main body comprises a pot body, an inner pot arranged in the pot body and the cover body covered on the pot body, the inner pot and the cover body define the cooking cavity, the cover body is provided with a floater capable of moving up and down, and the floater is provided with a floating upper sealing position and a falling lower sealing position; the fan is arranged on the cooking appliance main body and located on the outer side of the cooking cavity, the cooking cavity is used for dissipating heat, and the floater is located at the lower sealing position after the fan is started.
According to the cooking utensil provided by the technical scheme of the invention, the floater moves up and down relative to the cover body, when the floater moves upwards and floats, the floater is in the upper sealing position, at the moment, the space between the floater and the cover body is sealed, and when the floater moves downwards and falls, the floater is in the lower sealing position. After the fan is opened, the fan dispels the heat to the culinary art chamber for the air of culinary art intracavity and eating the quick cooling of material utilize expend with heat and contract with cold principle, the culinary art intracavity produces the negative pressure, because the fan cooks the cooling of intracavity air and edible material with higher speed, thereby produce the negative pressure fast at the culinary art intracavity, the float is in down sealed position under the negative pressure effect, realizes the sealed of culinary art chamber, avoids the culinary art chamber gas leakage and can't produce the negative pressure. The cooking cavity is in a negative pressure state after the cooking is finished, so that the storage time of food can be prolonged, the food in the cooking cavity is rapidly cooled after the cooking is finished, and the taste of the food can be prevented from being damaged by a large amount of waste heat in the cooking cavity.
The fan is located the culinary art chamber outside, makes things convenient for the wiring of fan on the one hand, and on the other hand prevents that the steam in the culinary art intracavity and moisture etc. from getting into the fan, causes pollution or damage to the fan.
In the above technical solution, preferably, the pot body is provided with an installation structure for installing the fan, and the air blown by the fan is communicated with the outer wall surface of the inner pot.
The fan sets up in the outside of culinary art chamber, and preferably, the fan setting is in the outside of interior pot, and the fan is the fan, and the fan just sets up to the outer wall of interior pot, and the outer wall of pot flows to the outer wall of interior pot of wind that the fan blew off, and the fan realizes the heat dissipation to the air of culinary art intracavity and edible material through the heat dissipation to interior pot.
Among the above-mentioned technical scheme, preferably, the a kind of deep pot body includes the shell cover, the shell cover is established the outside of interior pot, be equipped with the mounting hole on the shell cover, mounting structure is located in the mounting hole.
Interior pot includes annular lateral wall and is located the diapire of lateral wall below, and the lateral wall, diapire and the lid of interior pot are injectd the culinary art chamber jointly. Preferably, the fan is arranged corresponding to the side wall of the inner pan and is mounted on the outer shell cover.
In the above technical scheme, preferably, the mounting structure includes a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion define a limiting space, the fan is limited in the limiting space, so that the positioning of the fan on the mounting structure is realized, and further the installation of the fan on the cooker body is realized.
In the above technical solution, preferably, the first limiting portion includes a first limiting wall and a second limiting wall, the first limiting wall and the second limiting wall are respectively located at two opposite sides of the fan and are respectively bent toward a direction close to the fan to form a first buckling position and a second buckling position, and the first buckling position and the second buckling position are both abutted to the fan.
The first limiting wall and the second limiting wall are oppositely arranged and are respectively positioned at two opposite sides of the fan.
In the above technical solution, preferably, the fan is disposed corresponding to a side wall of the inner pot, the first limiting wall and the second limiting wall extend along an axial direction of the inner pot, lower ends of the first limiting wall and the second limiting wall are respectively bent in a direction close to the fan to form the first buckling position and the second buckling position, and the first buckling position and the second buckling position are abutted to a lower side of the fan.
In the above technical solution, preferably, the second limiting portion is disposed on a side of the fan away from the inner pan, and the second limiting portion includes a limiting rib, and the limiting rib is connected between the first limiting wall and the second limiting wall and abuts against the fan; or the second limiting part comprises a third buckling position and a fourth buckling position, wherein the third buckling position and the fourth buckling position are formed by bending the first limiting wall and the second limiting wall towards the direction close to the fan respectively, and the third buckling position and the fourth buckling position are in butt joint with the fan and are positioned on one side, far away from the inner pot, of the fan.
In the above technical solution, preferably, the mounting structure further includes a connecting wall, the connecting wall is disposed on a side of the fan close to the inner pan, the connecting wall is provided with a communicating hole, and the air blown by the fan is communicated with the outer wall surface of the inner pan through the communicating hole.
In the above technical scheme, preferably, the pot body is provided with a limit hole, and the fan is limited in the limit hole; or the fan is connected to the pot body through a fastener; or the fan is clamped on the cooker body; or the fan is welded on the pot body; or the fan is in threaded connection with the pot body.
In the above technical solution, preferably, the fan is disposed corresponding to a side wall of the inner pot, the pot body further includes a housing, and the housing is sleeved outside the fan; and/or a float hole is formed in the cover body, the float is positioned in the float hole and can move up and down relative to the float hole, a sealing ring is arranged between the float and the float hole, and sealing is formed between the float and the float hole through the sealing ring at the upper sealing position and the lower sealing position.
An aspect of the third aspect of the present invention provides a cooking appliance, including a processor, configured to implement the steps of the method for controlling a cooking appliance according to any one of the above aspects when executing a computer program stored in a memory. Therefore, the cooking appliance has the beneficial effects of the control method of the cooking appliance according to any one of the above embodiments, and details are not repeated herein.
The cooking appliance is a pressure cooker, an electric cooker or other cooking appliances.
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 cross-sectional view of a cooking appliance according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of a cooking appliance according to an embodiment of the present invention, wherein the outer shell of the cooking appliance is removed;
FIG. 4 is an enlarged schematic view of the portion B of FIG. 3;
fig. 5 is an exploded view of a cooking appliance according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the portion C of FIG. 5;
fig. 7 is a schematic cross-sectional view of a cooking appliance according to an embodiment of the present invention;
FIG. 8 is an enlarged schematic view of the portion D in FIG. 7;
fig. 9 is a schematic structural view of a cooking appliance according to an embodiment of the present invention;
fig. 10 is a flowchart illustrating a control method of a cooking appliance according to a first embodiment of the present invention;
fig. 11 is a flowchart illustrating a control method of a cooking appliance according to a second embodiment of the present invention;
fig. 12 is a flowchart illustrating a control method of a cooking appliance according to a second embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 9 is:
100 cooking utensils, 1 lid, 11 inner lids, 12 apron, 13 float hole, 14 floats, 15 sealing rings, 2 a kind of deep pot body, 21 outer shell cover, 211 mounting hole, 22 shell, 3 fan, 4 mounting structure, 41 first detain position, 42 second detain position, 43 spacing muscle, 44 first spacing wall, 45 second spacing wall, 46 connecting wall, 461 intercommunicating pore, 5 inner pot, 6 culinary art chamber, 7 temperature controller, 8 heating device, 9 discharge valve.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A cooking appliance, a control method thereof, and a computer-readable storage medium control method according to some embodiments of the present invention are described below with reference to fig. 1 to 12.
As shown in fig. 1, 2 and 9, the cooking appliance 100 includes a pot body 2 and a lid body 1 that is provided on the pot body 2 so as to be openable and closable. The cover body 1 is provided with an exhaust valve 9, and the exhaust valve 9 has two states of opening and closing. The cooking chamber 6 is open for air exhaust and intake, and the cooking chamber 6 is closed to the outside. The cover body 1 comprises a cover plate 12 and an inner cover 11, the cover plate 12 is detachably fixed on the inner cover 11, a float hole 13 is formed in the cover plate 12, a float 14 is arranged in the float hole 13 and can move up and down relative to the float hole 13, a sealing ring 15 is positioned between the float 14 and the float hole 13 and is a positive-negative pressure bidirectional sealing structure, concretely, when the float moves up and floats, the float is in an upper sealing position, the sealing ring and the float are in sealing fit, the sealing ring and the float hole are in sealing fit, when the float moves down and falls, the float is in a lower sealing position, the sealing ring and the float are in sealing fit, and the sealing ring and the float hole are in sealing fit. The heating device 8 is fixed on the cooker body 2 and positioned below the inner pot 5 and used for heating the inner pot 5, the heating device 8 is started to heat the cooking utensil 100, and when positive pressure is generated in the cooking cavity 6, the floater 14 is positioned at the upper end and is matched with the sealing ring 15 to realize positive pressure sealing; the cooking cavity 6 is cooled, and when negative pressure is formed in the cooking cavity 6, the floater 14 is arranged at the lower end and is matched with the sealing ring 15 to realize negative pressure sealing. The pot body 2 is used for carrying the lid body 1 and the inner pot 5, and includes an outer shell cover 21 and an outer shell 22. The inner pot 5 is used for holding food and forms a cooking cavity 6 with the pot cover. When cooling, negative pressure is generated inside the inner pot 5. As shown in fig. 3 to 6, the housing cover 21 is provided with the mounting structure 4 and the communication hole 461. The mounting structure 4 includes a first limit portion and a second limit portion, and the air current formed by the fan is blown to the inner pot 5 through the communication hole 461, so that the air in the cooking cavity 6 is rapidly cooled, and the negative pressure is conveniently generated. The fan is installed in mounting structure 4, when needing the cooling to produce the negative pressure, starts the fan for interior pot 5 cooling. The casing 22 is provided outside the casing cover 21 and the fan.
As shown in fig. 3 to 6, a cooking appliance 100 according to some embodiments of the present invention includes a cooking appliance main body and a fan 3. The cooking appliance main body comprises a pot body 2, an inner pot 5 placed in the pot body 2 and a cover body 1 covering the pot body 2, wherein the inner pot 5 and the cover body 1 define a cooking cavity 6, a float hole 13 is formed in the cover body 1, a float 14 capable of moving up and down relative to the float hole 13 is arranged in the float hole 13, and a sealing ring 15 is arranged between the float 14 and the float hole 13; the fan 3 is arranged on the cooking appliance main body and used for dissipating heat of the cooking cavity 6; after the fan 3 is turned on, the float is in the lower sealing position.
According to the cooking appliance 100 provided by the embodiment of the invention, after the exhaust valve exhausts air in the fresh-keeping stage, the floater 14 moves downwards relative to the floater hole 13, the floater 14 falls down, the fan 3 is controlled to be started, the fan 3 dissipates heat of the cooking cavity 6, so that air and food in the cooking cavity 6 are rapidly cooled, negative pressure is generated in the cooking cavity 6 by utilizing the principle of thermal expansion and cold contraction, the fan 3 accelerates cooling of the air and food in the cooking cavity 6, so that negative pressure is rapidly generated in the cooking cavity 6, the sealing ring 15 is attached to the floater 14 under the action of the negative pressure, and seals are formed between the sealing ring and the floater, and between the sealing ring and the floater hole, so that the sealing performance of the cooking cavity 6 is improved, a sealed cooking cavity is formed, and negative pressure cannot be generated due to. Through being in negative pressure state can prolong the save time of food in the fresh-keeping stage culinary art chamber 6, and cook and to eating the quick cooling of material in 6 of culinary art chamber after finishing, can also prevent that a large amount of waste heat from destroying the taste of food in 6 of culinary art chambers.
Preferably, as shown in fig. 7 and 8, the pot body 2 is provided with a mounting structure 4 for mounting the fan 3, and the air blown by the fan is communicated with the outer wall surface of the inner pot 5.
The fan 3 is arranged outside the cooking cavity 6, preferably, the fan 3 is arranged outside the inner pot 5 and is arranged right opposite to the outer wall surface of the inner pot 5, air blown out by the fan flows to the outer wall surface of the inner pot 5, and the fan 3 realizes heat dissipation of air and food materials in the cooking cavity 6 through heat dissipation of the inner pot 5.
Preferably, the pot body 2 comprises an outer shell cover 21, the outer shell cover 21 is sleeved on the outer side of the inner pot 5, the outer shell cover 21 is provided with a mounting hole 211, and the mounting structure 4 is located in the mounting hole 211.
The inner pot 5 comprises an annular side wall and a bottom wall positioned below the side wall, and the side wall, the bottom wall and the cover body 1 of the inner pot 5 jointly define a cooking cavity 6. Preferably, the fan is provided corresponding to a side wall of the inner pot 5 and is mounted on the outer housing cover 21.
The mounting structure may be retained within the mounting hole or may be connected or snapped with the housing shell by fasteners.
Preferably, the mounting structure 4 includes a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion define a limiting space, the fan 3 is limited in the limiting space, the positioning of the fan 3 on the mounting structure 4 is realized, and then the installation of the fan 3 on the cooker body 2 is realized.
Preferably, as shown in fig. 4 and 6, the first limiting portion includes a first limiting wall 44 and a second limiting wall 45, the first limiting wall 44 and the second limiting wall 45 are respectively located at two opposite sides of the fan 3, the first limiting wall 44 and the second limiting wall 45 are respectively bent towards a direction close to the fan 3 to form a first buckling position 41 and a second buckling position 42, and both the first buckling position 41 and the second buckling position 42 are abutted against the fan 3.
The first and second limiting walls 44 and 45 are oppositely arranged and are respectively positioned at two opposite sides of the fan 3.
Preferably, the fan 3 is disposed corresponding to the side wall of the inner pot 5, the first limiting wall 44 and the second limiting wall 45 extend along the axial direction (up-down direction) of the inner pot 5, the lower end of the first limiting wall 44 is bent towards the direction close to the fan 3 and close to the second limiting wall 45 to form a first buckling position 41, the lower end of the second limiting wall 45 is bent towards the direction close to the fan 3 and close to the first limiting wall 44 to form a second buckling position 42, and the first buckling position 41 and the second buckling position 42 are located between the first limiting wall 44 and the second limiting wall 45 and located below the fan 3. Preferably, there is a gap between the first fastening position 41 and the second fastening position 42, and the fan 3 is installed into the mounting structure 4 through the gap, however, the first fastening position 41 and the second fastening position 42 may be connected, and the fan 3 is installed into the mounting structure 4 from other positions.
In the first specific embodiment, the second limiting portion is disposed on a side of the fan 3 away from the inner pan 5, the second limiting portion includes a limiting rib 43, the limiting rib 43 is connected between a first limiting wall 44 and a second limiting wall 45, and the limiting rib 43 abuts against the fan 3.
The first and second catches 41 and 42 prevent the fan 3 from moving downward, and the limiting rib 43 prevents the fan 3 from moving outward (in a direction away from the axis of the cooking appliance 100).
In a second specific embodiment, the second limiting portion includes a third buckling position and a fourth buckling position formed by bending the first limiting wall 44 and the second limiting wall 45 respectively towards the direction close to the fan 3, and both the third buckling position and the fourth buckling position are abutted against the fan 3 and are located on one side of the fan 3 away from the inner pot 5.
The first catch 41 and the second catch 42 prevent the fan 3 from moving downward, and the third catch and the fourth catch prevent the fan 3 from moving outward (in a direction away from the axis of the cooking appliance 100). The third buckling position and the fourth buckling position can have a gap therebetween, that is, the third buckling position and the fourth buckling position are not connected to each other, at this time, the first buckling position 41 and the second buckling position 42 can be connected to each other, and the fan 3 is installed in the mounting structure 4 through the gap between the third buckling position and the fourth buckling position.
Preferably, as shown in fig. 6, the mounting structure 4 further comprises a connecting wall 46, the connecting wall 46 is disposed on a side of the fan 3 close to the inner pan 5, a communication hole 461 is disposed on the connecting wall 46, and the wind blown by the fan is communicated with the outer wall surface of the inner pan 5 through the communication hole 461.
The connecting wall 46 and the second limiting portion are arranged oppositely, the fan 3 is located between the second limiting portion and the connecting wall 46, the fan 3 and the second limiting portion are arranged in sequence from inside to outside. The connecting wall 46 is provided with a communication hole 461 corresponding to the fan, and the wind blown by the fan is blown to the outer wall surface of the inner pot 5 through the communication hole 461.
Preferably, the fan 3 is disposed corresponding to the side wall of the inner pot 5, and the pot body 2 further includes an outer shell 22, and the outer shell 22 is annular and is sleeved on the outer side of the fan 3.
The cooker body 2 can be provided with a limiting hole, and the fan 3 is limited in the limiting hole, except that the fan 3 is fixed on the cooker body 2 through the first limiting part and the second limiting part; or the fan 3 is connected to the pot body 2 through a fastener; or the fan 3 is clamped on the cooker body 2; or the fan 3 is welded on the pot body 2; or the fan 3 is connected with the cooker body 2 by screw thread. Further, the fan is mounted on the housing cover.
Of course, the fan may also be disposed on the cover body, for example, between the inner cover and the cover plate, or below the inner pot, corresponding to the bottom wall of the inner pot.
As shown in fig. 10, an embodiment of a second aspect of the present invention provides a control method of a cooking appliance 100.
The first embodiment is as follows:
the cooking appliance 100 includes a cooking appliance main body and a fan 3 provided on the cooking appliance main body, and the control method of the cooking appliance 100 includes: and step S10, after cooking is finished, closing an exhaust valve of the cooking appliance, and opening the fan 3 to blow air to the cooking cavity of the cooking appliance for heat dissipation.
According to the control method of the cooking appliance 100 provided by the embodiment of the invention, after cooking is finished, the cooking appliance 100 enters a fresh-keeping stage, the exhaust valve 9 is closed, the floater 14 moves downwards relative to the floater hole 13, the floater 14 falls down, the fan 3 is controlled to be started, the fan 3 dissipates heat of the cooking cavity 6, so that air and food in the cooking cavity 6 are rapidly cooled, negative pressure is generated in the cooking cavity 6 by utilizing the principle of expansion with heat and contraction with cold, the fan 3 accelerates cooling of the air and food in the cooking cavity 6, so that negative pressure is rapidly generated in the cooking cavity 6, the sealing ring 15 is attached to the floater 14 under the action of the negative pressure, and seals are formed between the sealing ring and the floater and between the sealing ring and the floater hole, so that the sealing performance of the cooking cavity 6 is improved, a sealed cooking cavity is formed, and negative pressure cannot be. Through being in negative pressure state can prolong the save time of food in the fresh-keeping stage culinary art chamber 6, and cook and to eating the quick cooling of material in 6 of culinary art chamber after finishing, can also prevent that a large amount of waste heat from destroying the taste of food in 6 of culinary art chambers.
Example two:
as shown in fig. 11, the cooking appliance 100 includes a cooking appliance main body and a fan 3 provided on the cooking appliance main body, and the control method of the cooking appliance 100 includes: and step S108, after cooking is finished, closing an exhaust valve of the cooking appliance, and controlling the fan 3 to be opened to blow air to dissipate heat of the cooking cavity of the cooking appliance.
Preferably, after controlling the fan 3 to be turned on, the method further includes:
step S110, detecting the temperature in the cooking cavity 6;
step S112, judging whether the temperature in the cooking cavity 6 reaches a first preset temperature;
if so, step S114 is executed to control the fan 3 to be turned off, otherwise, the process returns to step S108 to continue to maintain the fan 3 on state.
The cooking appliance body is provided with a temperature detection device, such as a temperature controller 7, for detecting the temperature of the gas in the cooking cavity 6. Detect the temperature in the culinary art chamber 6 through temperature-detecting device, when the temperature in the culinary art chamber 6 drops to first preset temperature, the cooling effect of fan 3 this moment is not obvious, and uses the life that can reduce fan 3 for a long time, consequently controls fan 3 and closes. Preferably, the first predetermined temperature is in the range of 50 ℃ to 90 ℃, and the first predetermined temperature may be, but is not limited to, 50 ℃, 60 ℃, 70 ℃, 80 ℃ or 90 ℃.
Or, the cooking appliance 100 further includes a pressure detection device disposed on the cooking appliance main body, and after the fan 3 is controlled to be turned on in the preservation stage, the pressure detection device detects the pressure in the cooking cavity 6, and determines whether the pressure in the cooking cavity 6 reaches a first preset pressure (the first preset pressure is a negative pressure), if so, the fan 3 is controlled to be turned off, and if not, the state of turning on the fan 3 is continuously maintained.
Or, after the fan 3 is controlled to be turned on in the preservation stage, the duration of the fan 3 in the on state is recorded, whether the duration of the fan 3 in the on state reaches the first preset duration is judged, if yes, the fan 3 is controlled to be turned off, and if not, the on state of the fan 3 is continuously maintained.
Preferably, the control method of the cooking appliance 100 further includes:
step S102, controlling the exhaust valve 9 to be opened after cooking is finished;
step S104, detecting the temperature in the cooking cavity 6; judging whether the temperature in the cooking cavity 6 reaches a second preset temperature or not;
if so, step S106 is executed to control the exhaust valve 9 to close, otherwise, the process returns to step S102 to continue to maintain the open state of the exhaust valve 9.
The cooking appliance 100 further includes a heating device 8 provided on the cooking appliance main body for performing a heating function of the cooking appliance 100. After the cooking appliance 100 starts to operate, the heating device 8, the temperature detecting device and the exhaust valve 9 operate according to a cooking program. After the culinary art is ended, control heating device 8 stop work, temperature-detecting device continues work, control discharge valve 9 is opened, culinary art chamber 6 is linked together with the external world and exhausts, the exhaust can reduce the atmospheric pressure of culinary art intracavity, the reduction of pressure leads to the boiling point to reduce, thereby realize the boiling, the boiling produces steam and drives a large amount of heats, further realize the quick cooling of culinary art intracavity edible material and air, when the temperature in culinary art chamber 6 reaches the second and predetermines the temperature, control discharge valve 9 closes, heating device 8 stop work, temperature-detecting device continues work, fan 3 opens, cool off interior pot 5. Preferably, the second predetermined temperature is in the range of 100 ℃ to 110 ℃. The second preset temperature may be, but is not limited to, 100 ℃, 105 ℃, or 110 ℃.
Alternatively, before the freshness stage, the method for controlling the cooking appliance 100 further includes: controlling the exhaust valve 9 to be opened after cooking is finished; the pressure detection means detect the pressure inside the cooking chamber 6; judging whether the pressure in the cooking cavity 6 reaches a second preset pressure or not; if yes, the exhaust valve 9 is controlled to be closed and the fresh-keeping stage is started, and if not, the exhaust valve 9 is continuously maintained in the opening state.
The cooking appliance 100 further includes a heating device 8 provided on the cooking appliance main body for performing a heating function of the cooking appliance 100. After the cooking appliance 100 starts to operate, the heating device 8, the pressure detecting device and the exhaust valve 9 operate according to a cooking program. After cooking, the heating device 8 is controlled to stop working, the pressure detection device continues working, the exhaust valve 9 is controlled to be opened, the cooking cavity 6 is communicated with the outside to exhaust, when the pressure in the cooking cavity 6 reaches a second preset pressure, the exhaust valve 9 is controlled to be closed, the heating device 8 stops working, the pressure detection device continues working, the fan 3 is started, and the inner pot 5 is cooled.
Alternatively, before the freshness stage, the method for controlling the cooking appliance 100 further includes: controlling the exhaust valve 9 to be opened after cooking is finished; recording the duration of the exhaust valve 9 in the opening state; judging whether the duration of the exhaust valve 9 in the opening state reaches a second preset duration or not; if yes, the exhaust valve 9 is controlled to be closed and the fresh-keeping stage is started, and if not, the exhaust valve 9 is continuously maintained in the opening state.
The cooking appliance 100 further includes a heating device 8 provided on the cooking appliance main body for performing a heating function of the cooking appliance 100. After the cooking appliance 100 starts to operate, the heating device 8 and the exhaust valve 9 operate according to a cooking program. After cooking is finished, the heating device 8 is controlled to stop working, the exhaust valve 9 is controlled to be opened, the cooking cavity 6 is communicated with the outside to exhaust, when the duration of the opening state of the exhaust valve 9 reaches a second preset duration, the exhaust valve 9 is controlled to be closed, the heating device 8 stops working, the fan 3 is started, and the inner pot 5 is cooled.
In a specific embodiment, as shown in fig. 12, the method for controlling the cooking appliance 100 includes:
the operator selects the corresponding cooking program to start cooking, and the exhaust valve 9, the temperature controller 7 and the heating device 8 work according to the cooking program. After cooking is finished, the system controls the heating device 8 to stop working, the exhaust valve 9 is opened, the cooking cavity 6 exhausts to the outside, and the temperature in the cooking cavity 6 is reduced. Meanwhile, the temperature controller 7 detects the temperature T in the cooking cavity 6. When T is less than or equal to a second preset temperature T2, the exhaust valve 9 is closed, and the cooking cavity 6 stops exhausting to the outside. Meanwhile, the system controls the fan to work, so that the heat dissipation of the inner pot 5 is accelerated, the gas in the cooking cavity 6 is rapidly cooled, the floater 14 falls down and seals the floater hole 13 on the pot cover in the negative pressure direction, and the negative pressure is slowly generated in the cooking cavity 6. The temperature controller 7 continues to detect the temperature T in the cooking chamber 6. And when the T is less than or equal to a first preset temperature T1, the system controls the fan to stop working, the negative pressure environment is kept in the cooking cavity 6 until the operator opens the cover, and the preservation process is finished. In order to ensure that the pressure and the temperature in the cooking cavity 6 are rapidly reduced, the exhaust valve 9 needs to be opened for exhausting, meanwhile, when the temperature in the cooking cavity 6 is relatively low, the external air can enter the cooking cavity 6, and in order to generate higher negative pressure, the external air needs to be prevented from entering the cooking cavity 6, so the value range of T1 is 100-. When the temperature is low to a certain degree, the cooling effect of the fan is not obvious, the service life of the fan can be reduced after the fan is used for a long time, and the value range of T2 is 50-90 ℃. And a fresh-keeping stage is carried out between the end of cooking and the opening of the cover of an operator.
An embodiment of a third aspect of the present invention provides a cooking appliance 100, comprising a processor for implementing the steps of the control method of the cooking appliance 100 of any one of the above embodiments when executing a computer program stored in a memory. Therefore, the cooking appliance 100 has the beneficial effects of the control method of the cooking appliance 100 of any one of the above embodiments, and the description thereof is omitted here.
The cooking appliance 100 is a pressure cooker, rice cooker or other cooking appliance 100.
In summary, in the cooking appliance 100 according to the embodiment of the present invention, the fan is installed on the pot body 2, and the airflow generated by the fan is directly blown to the inner pot 5. When the negative pressure is generated due to the need of cooling, the fan is started, the inner pot 5 is cooled for accelerating the speed of generating the negative pressure, the sealing ring 15 is sufficiently adsorbed on the floater 14 due to the generation in a short time, the negative pressure suction force of the floater hole 13 is sealed, namely the inner pot 5 is cooled by the fan after the cooking is finished, so that the floater 14 and the sealing ring 15 are reliably sealed, the negative pressure is formed in the cooking cavity 6, and the heat dissipation of food materials is accelerated.
In the description of the present invention, the term "plurality" means two or more unless explicitly specified or limited otherwise; the terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, or an electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present specification, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., 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 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.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. A method of controlling a cooking appliance, the cooking appliance including a cooking appliance main body and a fan provided on the cooking appliance main body, the method comprising:
and after cooking is finished, controlling an exhaust valve of the cooking appliance to be closed, and controlling the fan to be opened to blow air to dissipate heat of a cooking cavity of the cooking appliance.
2. The method for controlling the cooking appliance according to claim 1, wherein after controlling the exhaust valve of the cooking appliance to be closed and controlling the fan to be opened to blow the cooking cavity of the cooking appliance for heat dissipation, the method further comprises:
detecting the temperature in the cooking cavity, or detecting the pressure in the cooking cavity, or recording the duration of the fan in the on state;
judging whether the temperature in the cooking cavity reaches a first preset temperature or not, or judging whether the pressure in the cooking cavity reaches a first preset pressure or not, or judging whether the time length of the fan in the opening state reaches a first preset time length or not;
and if so, controlling the fan to be closed.
3. The control method of a cooking appliance according to claim 2,
the first preset temperature is in the range of 50-90 ℃.
4. The method for controlling the cooking appliance according to any one of claims 1 to 3, wherein before controlling the exhaust valve of the cooking appliance to be closed and controlling the fan to be opened to blow the cooking cavity of the cooking appliance for heat dissipation, the method further comprises the following steps:
controlling the exhaust valve to be opened after cooking is finished;
detecting the temperature in the cooking cavity, or detecting the pressure in the cooking cavity, or recording the duration of the exhaust valve in an opening state;
judging whether the temperature in the cooking cavity reaches a second preset temperature or not, or judging whether the pressure in the cooking cavity reaches a second preset pressure or not, or judging whether the duration of the exhaust valve in the opening state reaches a second preset duration or not;
and if so, controlling the exhaust valve to close.
5. The control method of a cooking appliance according to claim 4,
the second preset temperature is in the range of 100-110 ℃.
6. A cooking appliance controlled by the control method of the cooking appliance according to any one of claims 1 to 5, comprising:
the cooking appliance comprises a cooking appliance main body, a cooking cavity and a cover body, wherein the cooking appliance main body comprises a pot body, an inner pot arranged in the pot body and the cover body covered on the pot body, the inner pot and the cover body define the cooking cavity, the cover body is provided with a floater capable of moving up and down, and the floater is provided with a floating upper sealing position and a falling lower sealing position;
the fan is arranged on the cooking appliance main body and located on the outer side of the cooking cavity, the cooking cavity is used for dissipating heat, and the floater is located at the lower sealing position after the fan is started.
7. The cooking appliance of claim 6,
the cooker body is provided with a mounting structure for mounting the fan, and the air blown out by the fan is communicated with the outer wall surface of the inner pot.
8. The cooking appliance of claim 7,
the mounting structure comprises a first limiting part and a second limiting part, wherein a limiting space is limited by the first limiting part and the second limiting part, and the fan is limited in the limiting space.
9. The cooking appliance of claim 8,
the first limiting portion comprises a first limiting wall and a second limiting wall, the first limiting wall and the second limiting wall are respectively located on two opposite sides of the fan and are bent towards the direction close to the fan to form a first buckling position and a second buckling position, and the first buckling position and the second buckling position are both abutted to the fan.
10. The cooking appliance of claim 9,
the fan is arranged corresponding to the side wall of the inner pot, the first limiting wall and the second limiting wall extend along the axis direction of the inner pot, the lower ends of the first limiting wall and the second limiting wall are bent towards the direction close to the fan respectively to form the first buckling position and the second buckling position, and the first buckling position and the second buckling position are abutted to the lower side of the fan.
11. The cooking appliance of claim 9,
the second limiting part is arranged on one side of the fan, which is far away from the inner pot, and comprises limiting ribs which are connected between the first limiting wall and the second limiting wall and are abutted against the fan; or the second limiting part comprises a third buckling position and a fourth buckling position, wherein the third buckling position and the fourth buckling position are formed by bending the first limiting wall and the second limiting wall towards the direction close to the fan respectively, and the third buckling position and the fourth buckling position are in butt joint with the fan and are positioned on one side, far away from the inner pot, of the fan.
12. The cooking appliance of claim 8,
the mounting structure further comprises a connecting wall, the connecting wall is arranged on one side, close to the inner pot, of the fan, a communicating hole is formed in the connecting wall, and air blown out by the fan is communicated with the outer wall surface of the inner pot through the communicating hole.
13. The cooking appliance according to any one of claims 7 to 12,
the cooker body includes the shell cover, the shell cover is established the outside of interior pot, be equipped with the mounting hole on the shell cover, mounting structure is located in the mounting hole.
14. The cooking appliance according to any one of claims 6 to 12,
the fan is arranged corresponding to the side wall of the inner pot, the cooker body further comprises a shell, and the shell is sleeved on the outer side of the fan; and/or the presence of a gas in the gas,
the cover body is provided with a float hole, the float is positioned in the float hole and can move up and down relative to the float hole, a sealing ring is arranged between the float and the float hole, and the float hole are sealed through the sealing ring at the upper sealing position and the lower sealing position.
15. A cooking appliance, characterized by comprising a processor for implementing the steps of the control method of the cooking appliance according to any one of claims 1 to 5 when executing a computer program stored in a memory.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810872875.9A CN110786732A (en) | 2018-08-02 | 2018-08-02 | Cooking appliance and control method thereof |
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| CN201810872875.9A CN110786732A (en) | 2018-08-02 | 2018-08-02 | Cooking appliance and control method thereof |
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| CN110786732A true CN110786732A (en) | 2020-02-14 |
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