CN104688026B - Pressure cooking appliance and its control method - Google Patents

Pressure cooking appliance and its control method Download PDF

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Publication number
CN104688026B
CN104688026B CN201310648734.6A CN201310648734A CN104688026B CN 104688026 B CN104688026 B CN 104688026B CN 201310648734 A CN201310648734 A CN 201310648734A CN 104688026 B CN104688026 B CN 104688026B
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China
Prior art keywords
pressure
cooking appliance
pot
controller
pressure cooking
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CN201310648734.6A
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Chinese (zh)
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CN104688026A (en
Inventor
陈瑞德
宋延平
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广东美的生活电器制造有限公司
美的集团股份有限公司
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Priority to CN201310648734.6A priority Critical patent/CN104688026B/en
Publication of CN104688026A publication Critical patent/CN104688026A/en
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Publication of CN104688026B publication Critical patent/CN104688026B/en

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Abstract

The invention discloses a kind of pressure cooking appliance, it includes:Pot and pot cover;The locked component that the pot cover and the pot are locked;The heater heated to the pot;Cooler for cooling down the pot and/or pot cover;And controller, the controller is respectively connected with the locked component, the heater and the cooler, the controller obtains midway and uncaps a little, and uncapped in the midway and start the cooler and cooled down, so that pressure is less than or equal to the locking that locked component during preset pressure is released between the pot and the pot cover in the pressure cooking appliance.The pressure cooking appliance is quickly reduced pressure in pressure cooking appliance using cooler and, to reach the safe pressure that midway is uncapped, so as to realize the quick purpose for opening pot cover in cooking process, meets the demand of user.The invention also discloses a kind of control method of pressure cooking appliance and another pressure cooking appliance.

Description

Pressure cooking appliance and its control method

Technical field

The present invention relates to household electrical appliance technical field, more particularly to a kind of pressure cooking appliance and a kind of pressure cooking device The control method of tool.

Background technology

Existing pressure cooking appliance has high pressure in utensil in cooking process, therefore, in order to avoid danger, generally Can protection device be set on utensil, so that product can not uncap in cooking process.Its problem for existing is on the one hand can not Meet user uncap understand cooking process demand, on the other hand because user cannot uncap to stir food in cooking process, Cause that the phenomenon that bottom is sticking, surface is half-cooked easily occurs in the rice for cooking in cooked rice, and in culinary art soup class dish Easily there is the light problem in soup class surface during meat and fish dishes.

And in correlation technique, it is typically required the purpose that operated manually or electrically air bleeding valve could be realized uncapping, but by It is very big in the pressure in utensil, using being vented valve exhaust, it is easy to user can be scalded, produced with potential safety hazard, and when being vented Raw noise can also influence user, therefore, there is improved necessity in existing pressure cooking appliance.

The content of the invention

The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency to a certain extent.

Therefore, it is an object of the present invention to propose a kind of pressure cooking appliance, the pressure cooking appliance is using cooling It is quick so as to be realized in cooking process to reach the safe pressure that midway is uncapped that device quickly reduces pressure in pressure cooking appliance The purpose of pot cover is opened, the demand of user is met.

It is another object of the present invention to propose a kind of control method of pressure cooking appliance.

A further object of the present invention is that also proposed a kind of pressure cooking appliance.

To reach above-mentioned purpose, a kind of pressure cooking appliance that one aspect of the present invention embodiment is proposed, including:Pot and pot Lid;The locked component that the pot cover and the pot are locked;The heater heated to the pot is described for cooling down The cooler of pot and/or pot cover;Controller, the controller and the locked component, the heater and the cooler It is respectively connected with, the controller obtains midway and uncaps a little, and is uncapped in the midway and start the cooler and cooled down, with Pressure in the pressure cooking appliance is less than or equal to locked component during preset pressure and release the pot and the pot cover Between locking.

The pressure cooking appliance for proposing according to embodiments of the present invention, controller is obtained in the cooking process of pressure cooking appliance Midway is taken to uncap a little, and a startup cooler of being uncapped halfway is cooled down so that pressure cooking appliance to pot and/or pot cover Interior pressure is less than or equal to the locking that locked component during preset pressure is released between pot and pot cover, facilitates user to open pot cover.Cause This, pressure cooking appliance of the invention can pressure be opened with reaching midway in quick reduction pressure cooking appliance in cooking process The safe pressure of lid, realizes opening pot cover in cooking process, so as to facilitate user understand the concrete condition of cooked food with Subsequent operation is carried out, is brought convenience to user's cooking food, and then can cause that the effect of food for cooking is good, met and use The demand at family, and also generation noise can be avoided in pressure cooking appliance during pressure in quick reduction, improve user Experience.

Specifically, the cooler can be including in electronic type cooler, air cooled chiller or water-cooled cooler One or more.

Further, the cooking process of the pressure cooking appliance includes heating period and packing stage, wherein, described Controller described in heating period controls the heater laser heating;The heating is controlled in controller described in the packing stage The heating of device interval;In the midway, a little controller of uncapping controls the heater to stop heating.

In one embodiment of the invention, described pressure cooking appliance also includes:Detect the pressure cooking appliance The pressure detector of interior pressure, the pressure detector is connected with the controller, wherein, controlled described in the heating period Device controls pressure in the pressure cooking appliance to reach first pressure by the heater, in pressure described in the packing stage Pressure changes repeatedly between the first pressure and second pressure in cooking apparatus, wherein the first pressure is more than described the Two pressure.

In another embodiment of the present invention, above-mentioned pressure cooking appliance, also includes:Air bleeding valve, the air bleeding valve It is connected with the controller, wherein also controlling the air bleeding valve to discharge in the pot in the midway a little controller of uncapping Gas.

In one embodiment of the invention, in the cooking process of the pressure cooking appliance, the controller is also controlled Make the cooler to cool down the pot and/or pot cover, temperature difference is produced so that the pressure with the pot Food boiling in cooking apparatus.

To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of control method of pressure cooking appliance, Wherein, pressure cooking appliance includes heater, pot, pot cover, locked component, cooler and controller, the control method bag Include following steps:The controller controls the heater to heat the pot;And the controller obtains midway Uncap a little, and uncapped in the midway and start the cooler and cooled down, so that pressure is small in the pressure cooking appliance The locked component releases the locking between the pot and the pot cover when equal to preset pressure.

The control method of the pressure cooking appliance for proposing according to embodiments of the present invention, in the cooking process of pressure cooking appliance Middle controller obtains midway and uncaps a little, and a startup cooler of being uncapped halfway is cooled down to pot and/or pot cover so as to be pressed Pressure is less than or equal to the locking that locked component during preset pressure is released between pot and pot cover in pressure cooking apparatus, so that pressure Pressure cooking apparatus quick in cooking process can reduce the pressure in utensil to reach the safe pressure that midway is uncapped, and realize cooking Pot cover is opened during preparing food, so as to facilitate user to understand the concrete condition of cooked food to carry out subsequent operation, to user Cooking food brings convenience, and then can cause that the effect of food for cooking is good, meets the demand of user.Also, the control Method processed is simple and reliable.

Further, the cooking process of the pressure cooking appliance includes heating period and packing stage, wherein, described Controller described in heating period controls the heater laser heating;The heating is controlled in controller described in the packing stage The heating of device interval;In the midway, a little controller of uncapping controls the heater to stop heating.

In one embodiment of the invention, the control method of described pressure cooking appliance also includes:Detect the pressure Pressure in pressure cooking apparatus;Controlled in the pressure cooking appliance by the heater in controller described in the heating period Pressure reaches first pressure;Controlled in the pressure cooking appliance by the heater in controller described in the packing stage Pressure changes repeatedly between the first pressure and second pressure, wherein the first pressure is more than the second pressure.Tool Body ground, the first pressure can be more than 0 and less than or equal to 200Kpa, and the second pressure can be more than 0 and less than described the One pressure.

In another embodiment of the present invention, the pressure cooking is also controlled in the midway a little controller of uncapping Air bleeding valve in utensil discharges the gas in the pot.So, pot and/or pot cover are cooled down and is arranged by cooler Air valve is intermittently vented so that the pressure in utensil is reduced rapidly, and air bleeding valve can be controlled well using intermittently exhaust Noise during system exhaust.

In one embodiment of the invention, in the cooking process of the pressure cooking appliance, the controller is also controlled Make the cooler to cool down the pot and/or pot cover, temperature difference is produced so that the pressure with the pot Food boiling in cooking apparatus.

To reach above-mentioned purpose, a kind of pressure cooking appliance that another aspect of the invention embodiment is proposed, including:Pot and Pot cover;The locked component that the pot cover and the pot are locked;Cooler for cooling down the pot and/or pot cover;With And midway is uncapped button, midway button of uncapping is connected with the cooler, and the midway button reception user that uncaps sends Midway uncap instruction, wherein in the cooking process of the pressure cooking appliance if the midway is uncapped button by the use Family is triggered, and the cooler starts and cooled down, during so that pressure being less than or equal to preset pressure in the pressure cooking appliance The locked component releases the locking between the pot and the pot cover.

The pressure cooking appliance for proposing according to embodiments of the present invention, if midway in the cooking process of pressure cooking appliance Button of uncapping is triggered by user, and cooler starts and pot and/or pot cover are cooled down, so that pressure in pressure cooking appliance Locked component releases the locking between pot and pot cover during less than or equal to preset pressure, facilitates user to open pot cover.Therefore, this hair Bright pressure cooking appliance can in the cooking process the quick pressure that reduces in pressure cooking appliance to reach the peace that midway is uncapped Total pressure, realizes opening pot cover in cooking process, after facilitating user to understand the concrete condition of cooked food to carry out Continuous operation, brings convenience to user's cooking food, and then can cause that the effect of food for cooking is good, meets the need of user Ask, and also generation noise can be avoided in pressure cooking appliance during pressure in quick reduction, improve Consumer's Experience.

The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by practice of the invention.

Brief description of the drawings

The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments Substantially and be readily appreciated that, wherein:

Fig. 1 is the pressure history schematic diagram in utensil in the pressure cooking appliance course of work of the prior art;

Fig. 2 is that the changed power curve of the heater work in the pressure cooking appliance course of work of the prior art is illustrated Figure;

Fig. 3 is the block diagram of the pressure cooking appliance according to the embodiment of the present invention;

Fig. 4 is the block diagram of the pressure cooking appliance according to one embodiment of the invention;

Fig. 5 is the structural representation of the pressure cooking appliance according to the embodiment of the present invention;

Fig. 6 be in the pressure cooking appliance course of work according to one embodiment of the invention the heating period need midway to uncap Utensil in pressure history schematic diagram;

Fig. 7 is that packing stage needs midway to open in the pressure cooking appliance course of work according to another embodiment of the present invention Pressure history schematic diagram in the utensil of lid;

Fig. 8 is the flow chart of the control method of the pressure cooking appliance according to the embodiment of the present invention;

Fig. 9 is to need midway according to the heating period in a pressure cooking appliance course of work for specific embodiment of the invention The flow chart of the control method uncapped;

Figure 10 is that packing stage needs midway in the pressure cooking appliance course of work according to another embodiment of the present invention The flow chart of the control method uncapped;And

Figure 11 is the schematic diagram of cooler work in control pressure cooking apparatus according to one embodiment of the invention.

Reference:

Pot 100, pot cover 200, interior pot 101, locked component 10, heater 20, pressure detector 30, cooler 40, control Device processed 50 and air bleeding valve 60, button 80 of uncapping halfway, master control borad 1000.

Specific embodiment

Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not construed as limiting the claims.

Following disclosure provides many different embodiments or example is used for realizing different structure of the invention.For letter Change disclosure of the invention, hereinafter the part and setting to specific examples are described.Certainly, they are only merely illustrative, and Purpose does not lie in the limitation present invention.Additionally, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy It is again the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity.This Outward, the invention provides various specific technique and material example, but those of ordinary skill in the art can be appreciated that The use of the applicable property and/or other materials of other techniques.In addition, fisrt feature described below second feature it " on " structure can include that the first and second features be formed as the embodiment of directly contact, it is also possible to including other feature shape Into the embodiment between the first and second features, such first and second feature may not be directly contact.

In the description of the invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be mechanically connect or electrical connection, or two connections of element internal, can Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term.

Description according to embodiments of the present invention propose pressure cooking appliance and pressure cooking appliance control method it Before, the operation principle of pressure cooking appliance of the prior art is simply introduced first.

Fig. 1 is the pressure history schematic diagram in utensil in the pressure cooking appliance course of work of the prior art.Such as Shown in Fig. 1, the course of work of the pressure cooking appliance is divided into heating period, packing stage and pressure release stage.

Wherein, heating period a0-a1:Switch on power, heater is started working, the pressure detecting dress in pressure cooking appliance When putting the pressure detected in utensil and reaching Pa, heater is stopped or with low-power operation.

Packing stage a1-a2:During by natural cooling so that the pressure in utensil is down to Pb, heater continues to heat, when When pressure in utensil reaches Pa, heater stops heating, during again by natural cooling so that the pressure in utensil is down to Pb, Heater begins to warm up again, is so repeated, until food cooking process terminates.

Pressure release stage a2-a3:After food cooking terminates, by natural cooling so that the pressure in utensil is down to P0 from Pa. Wherein, Fig. 2 is the changed power curve schematic diagram of the heater work in the pressure cooking appliance course of work of the prior art.

Therefore, in the prior art, if user needed in cooking process open pot cover to understand cooking food Concrete condition, then have to, after cooking process terminates and when pressure is reduced to P0 in utensil, can just uncap, and thus can not Meet the demand that user uncaps in cooking process.

The present invention is based on considerations above, it is proposed that a kind of new pressure cooking appliance and the pressure cooking appliance Control method.

The pressure cooking appliance and pressure cooking appliance of proposition according to embodiments of the present invention described with reference to the accompanying drawings Control method.

Fig. 3 is the block diagram of the pressure cooking appliance according to the embodiment of the present invention, and Fig. 5 is according to the embodiment of the present invention Pressure cooking appliance structural representation.As shown in Figure 3 and Figure 5, the pressure cooking appliance include pot 100 and pot cover 200, Locked component 10, heater 20, cooler 40 and controller 50.Wherein, locked component 10 locks pot cover 200 and pot 100; Heater 20 is heated to the interior pot 101 in pot 100 such as pot 100, cooler 40 be used for cool down pot 100 and/or Pot cover 200.Specifically, cooler 40 can be including in electronic type cooler, air cooled chiller or water-cooled cooler One or more, it is of course also possible to be the cooler of other types of cooling.

As shown in figure 3, controller 50 is respectively connected with locked component 10, heater 20 and cooler 40, controller 50 is obtained Midway is taken to uncap a little, and a startup cooler 40 of being uncapped halfway is cooled down to pot 100 and/or pot cover 200, so that pressure Pressure is less than or equal to the locking that locked component 10 during preset pressure P0 is released between pot 100 and pot cover 200 in cooking apparatus, uses Family can open pot cover to carry out follow-up operation.

Further, the cooking process of pressure cooking appliance includes heating period and packing stage.Wherein, in the heating period Controller 50 controls the laser heating of heater 20;In the control heater 20 interval heating of packing stage controller 50;Opened in midway The control heater 20 of lid our controller 50 stops heating.It is, of course, understood that base site controller 50 of being uncapped halfway may be used also To control heater 20 to drop low-power operation.

In one embodiment of the invention, as shown in Fig. 4 or Fig. 5, above-mentioned pressure cooking appliance also includes:Pressure is examined Survey device 30.Pressure detector 30 is used to detect pressure in pressure cooking appliance, and pressure detector 30 is connected with controller 50.Its In, first pressure is reached by pressure by the control pressure cooking apparatus of heater 20 in heating period controller 50, in pressurize rank Pressure changes repeatedly between first pressure and second pressure in section pressure cooking appliance, and wherein first pressure is more than the second pressure Power.Say, in packing stage, controller 50 can control heater 20 to be spaced heating, be reached by pressure in pressure cooking appliance During first pressure, control heater 20 is stopped heating or is heated with low-power;Pressure is down to second in pressure cooking appliance During pressure, control heater 20 continues to heat or high power heating.In other embodiments of the invention, it is also possible to by detection Temperature in pressure cooking appliance, pressure in pressure cooking appliance is detected according to temperature with the corresponding relation of pressure.

In an embodiment of the present invention, uncapping halfway a little can be according to pressure cooking appliance working time, pressure cooking device Any parameter setting in the temperature in pressure or pressure cooking appliance in tool, or the setting that be combined with each other.Therefore, open halfway Lid point can be uncap halfway time point, uncap halfway temperature spot or pressure spot etc. of uncapping halfway.For example, midway is uncapped the time The moment of point can be preset between 0~120 minute, it is preferable that can be set to 40 minutes, i.e., electric pressure cooking saucepan has worked 40 minutes After carry out action of uncapping;Or, the temperature of temperature spot of uncapping halfway can be preset in 101 DEG C~120 DEG C, it is preferable that Ke Yishe It is 105 DEG C, i.e., when the temperature in electric pressure cooking saucepan reaches 105 DEG C, starts pressure adjusting part, is depressured to locked component and releases pot After locking between lid and pot, action of uncapping can be just carried out, it is also possible to be set to, when kettle temperature reaches 105 DEG C, wait 20 After minute, restarting pressure adjusting part after being depressured to the locking that locked component is released between pot cover and pot, can just be opened Lid is acted;Or, the pressure value of pressure spot of uncapping halfway can be preset as P+ △ P2, when the pressure in electric pressure cooking saucepan from P+ △ P1 When being down to P+ △ P2, electric pressure cooking saucepan carries out action of uncapping, wherein, P is atmospheric pressure, and △ P1 can be 5KPa~100KPa, excellent Elect 50KPa, △ P2≤5KPa as.

Also, midway is uncapped and can a little be set before culinary art by user, or is set in cooking process by user, or Determined according to the culinary art pattern that user selects.Wherein, uncap halfway according to one or more can be set the need for cooking food Point.In an embodiment of the present invention, it is a little generalized concept to uncap halfway, and the midway that uncapping halfway can a little be sent by user is uncapped Instruction determines that user is manually entered instruction of uncapping halfway for example in cooking process, it is also possible to by the control program in controller Determine in operation, for example, run to default time point.Or, it is also possible to before cooking, pre-set by user, and will Uncap and be a little maintained in pressure cooking appliance in the midway for pre-setting.Say, instruction when uncapping halfway can be by man-machine Interface, command generating device are produced, i.e., user is set midway and uncapped in cooking process by man-machine interface, command generating device Point;Instruction when midway is uncapped can also be automatically generated by controller or cook parameter meet it is default uncap condition when product Raw, i.e., user sets midway before culinary art and uncaps a little;The culinary art side that instruction when midway is uncapped can also be set by user Case is produced, i.e., the culinary art pattern for being selected according to user sets midway and uncaps a little automatically.

It should be noted that above example is only the citing description uncapped to midway a little, it is also like above or wait with use Determine that midway is uncapped a little with the mode of change, will not be repeated here.And it is to be appreciated that it be a little correspondence pressure that midway is uncapped For being uncapped in the middle of pressure cooking apparatus cooking process.

Further, as shown in figure 4, above-mentioned pressure cooking appliance also includes:Air bleeding valve 60.Air bleeding valve 60 and controller 50 are connected, wherein, base site controller 50 of being uncapped halfway also controls air bleeding valve 60 to discharge the gas in pot 100.Say, in pressure During pressure is reduced to preset pressure P0 in cooking apparatus, air bleeding valve 60 is opened while cooler 40 can be started, made The speed that declines of pressure in pressure cooking appliance faster.Wherein, the pressure value of P0 can be more than or equal to 0 and be less than or equal to 4Kpa.So, pot and/or pot cover are cooled down by cooler and air bleeding valve is intermittently vented so that pressure cooking Pressure in utensil is reduced rapidly, and air bleeding valve can well control noise during exhaust using intermittently exhaust.

In an embodiment of the present invention, uncap can be in the heating period midway in cooking process, it is also possible in pressurize Stage, that is to say, that pot cover 200 is opened in cooking process and is included in heating period opening pot cover 200 or in packing stage Open pot cover 200.

Wherein, as shown in fig. 6, opening pot cover 200 in the heating period, the course of work of above-mentioned pressure cooking appliance is as follows:

Heating period b0-b3:Pressure cooking appliance switches on power, and heater 20 is started working, and the pressure in utensil starts Rise.

Midway was uncapped a little in heating period, i.e. stage b 1-b3, control heater 20 stop heating or reduce power heat and Start cooler 40 to cool down pot and/or pot cover so that the pressure in pressure cooking appliance is rapidly reduced to preset pressure P0, locked component 10 releases the locking between pot and pot cover.In addition, during step-down, controller 50 can also be controlled Gas in the discharge pot 100 of air bleeding valve 60.So, user can open pot cover and carry out subsequent operation as needed, for example After food to cooking is stirred, close pot cover.

Packing stage b3-b4:After the pot cover that closes, heater 20 continues to heat or increased wattage work, when in utensil When pressure reaches first pressure Pa, heater 20 stops heating or drop low-power operation, and pressure is caused by the way of natural cooling Pressure in pressure cooking apparatus declines, it is of course also possible to control cooler 40 to be cooled down to pot and/or pot cover so that utensil Interior rapid pressure drop, when pressure is reduced to second pressure Pb in utensil, control heater 20 continues to heat or raise work( Rate works, and when the pressure in utensil reaches first pressure Pa, heater stops heating or drop low-power operation, so enters repeatedly OK, until when the timer in controller 50 reaches Preset Time, control heater 20 stops heating, completes pressurize, food cooking Prepare food end.

In an embodiment of the present invention, as can be drawn from Figure 6, the pressure in packing stage pressure cooking appliance is first Change repeatedly between pressure Pa and second pressure Pb, wherein, the pressure value of Pa can be with more than 0 and less than or equal to 200Kpa, such as It is 70Kpa;The pressure value of Pb for example can be able to be 40Kpa more than 0 and less than Pa.

Pressure release stage b 4-b5:Food cooking terminates, and heater 20 stops heating, by natural cooling so that in utensil Pressure is depressurized to P0, it is of course also possible to pass through to start cooler 40 so that cooler 40 is cooled down to pot and/or pot cover So that the pressure in utensil is depressurized to rapidly P0, after pressure is down to P0 in the utensil, locked component 10 release pot and pot cover it Between locking, user can open pot cover 200.

In another embodiment, as shown in fig. 7, opening pot cover 200, the work of above-mentioned pressure cooking appliance in packing stage Make process as follows:

Heating period c0-c1:Pressure cooking appliance switches on power, and heater 20 begins to warm up, in pressure cooking appliance Pressure begins to ramp up, and when the pressure in utensil reaches first pressure Pa, heater 20 stops heating or drop low-power operation.

Packing stage c1-c5:When pressure reaches Pa in utensil, the pressure drop in utensil can be caused by natural cooling It is low, it is of course also possible to start cooler 40 is cooled down the rapid pressure drop so that in utensil to pot and/or pot cover, When pressure is reduced to second pressure Pb in utensil, control heater 20 continues to heat or increased wattage work, when the pressure in utensil When power reaches first pressure Pa, control heater stops heating or drop low-power operation, then by natural cooling or cooling Device 40 is cooled down and causes that the pressure in pressure cooking appliance is down to second pressure Pb again, and control heater continues to heat or raise work( Rate works, and is so repeated.

Midway is uncapped in packing stage, i.e. stage c2-c4, and controller 50 starts cooler 40 and pot and/or pot cover are entered Row cooling, and control heater 20 to stop heating, the pressure in utensil is reduced, pressure is less than or equal to default pressure in utensil During power P0, the safe pressure that can open pot cover 200 is reached, locked component 10 releases the locking between pot and pot cover, so, User can open pot cover and carry out subsequent operation as needed, such as after being stirred to the food cooked, close pot cover. After the pot cover that closes, heater 20 continues to heat, and proceeds pressurize, until the timer in controller 50 reaches Preset Time When, control heater 20 is stopped, and completes pressurize, and food cooking terminates.

Pressure release stage c5-c6:Food cooking terminates, and heater 20 stops heating, by natural cooling so that in utensil Pressure is depressurized to P0, it is of course also possible to pass through to start cooler 40 so that cooler 40 is cooled down to pot and/or pot cover So that the pressure in utensil is depressurized to rapidly P0, after pressure is down to P0 in the utensil, locked component 10 release pot and pot cover it Between locking, user can open pot cover 200.

In one embodiment of the invention, in the cooking process of pressure cooking appliance, controller 50 also controls cooling Device is cooled down to pot and/or pot cover, and temperature difference is produced so that the food in pressure cooking appliance seethes with excitement with pot. That is, when not carrying out uncapping in the cooking process of pressure cooking appliance halfway, controller 50 can also control cooler Pot and/or pot cover are cooled down, so in pot produce temperature difference so that in pressure cooking appliance food boiling, from And air bleeding valve need not be opened and may be such that food forms the phenomenon that rolling is seethed with excitement in pot by pressure cooking appliance, so that pressure is cooked The fluid prepared food in utensil will not splash out, more clean, and avoid exhaust when noise generation, be also not in steam wound The situation of people, it is ensured that the safety of user.

The pressure cooking appliance for proposing according to embodiments of the present invention, controller is obtained in the cooking process of pressure cooking appliance Midway is taken to uncap a little, and a startup cooler of being uncapped halfway is cooled down so that pressure cooking appliance to pot and/or pot cover Interior pressure is less than or equal to the locking that locked component during preset pressure is released between pot and pot cover, facilitates user to open pot cover.Cause This, pressure cooking appliance of the invention can pressure be opened with reaching midway in quick reduction pressure cooking appliance in cooking process The safe pressure of lid, realizes opening pot cover in cooking process, so as to facilitate user to understand the situation of cooked food to carry out Follow-up operation, brings convenience to user's cooking food, and then can cause that the effect of food for cooking is good, meets user Demand, and also can it is quick to reduce be avoided during pressure in pressure cooking appliance produce noise, improve user's body Test.

Fig. 8 is the flow chart of the control method of the pressure cooking appliance according to the embodiment of the present invention, wherein, the pressure cooking Utensil is the pressure cooking appliance of above-described embodiment description, and it includes heater, pot, pot cover, locked component, cooler and control Device processed.As shown in figure 8, the control method of the pressure cooking appliance is comprised the following steps:

S1, controller control heater is heated to pot.

In an embodiment of the present invention, after pressure cooking appliance switches on power, heater starts to heat pot, device Pressure in tool begins to ramp up, and now pressure cooking appliance is in stage b 0-b1 of the heating period for example shown in Fig. 6, or Fig. 7 institutes The stage c0-c1 for showing.

S2, controller obtains midway and uncaps a little, and a startup cooler of being uncapped halfway is cooled down, so that pressure cooking Pressure is less than or equal to the locking that locked component during preset pressure is released between pot and pot cover in utensil.

Specifically, the cooking process of pressure cooking appliance includes heating period and packing stage, wherein, in heating period control Device processed controls heater laser heating;In the control heater interval heating of packing stage controller;Uncapped base site controller in midway Control heater stops heating.

That is, a control heater of being uncapped halfway is stopped and starts cooler to enter pot and/or pot cover Row cooling causes that the pressure in pressure cooking appliance is rapidly reduced to preset pressure P0.

In addition, in step s 2, the air bleeding valve in base site controller also control pressure cooking apparatus is uncapped in midway discharges pot Internal gas.Say, in a control pressure cooking apparatus pressure reduction is uncapped in midway, Opening pressure can also be controlled to cook Air bleeding valve in utensil, that is to say, that when pressure is down to a certain pressure value in utensil, while open air bleeding valve be exhausted, So that the pressure in utensil is down to P0 at faster speed.When pressure in utensil is reduced to P0, locked component releases pot cover Locking and pot between, you can open pot cover, and carry out subsequent operation as needed, for example, be stirred to the food cooked Afterwards, close pot cover.Specific stage b 1-b3, the stage c2-c4 shown in Fig. 7 as shown in Figure 6.

In one embodiment of the invention, the control method of above-mentioned pressure cooking appliance also includes:Detection pressure is cooked Prepare food pressure in utensil;First pressure Pa is reached by pressure in heater control pressure cooking apparatus in heating period controller; Packing stage controller by pressure in heater control pressure cooking apparatus between first pressure Pa and second pressure Pb Change repeatedly, wherein first pressure Pa is more than second pressure Pb.Wherein, the pressure value of Pa is more than 0 and less than or equal to 200Kpa, example Such as can be 70Kpa;The pressure value of Pb for example can be able to be 40Kpa more than 0 and less than Pa.

Specifically, when pressure cooking appliance is in packing stage, specific stage b 4-b5 as shown in Figure 6, shown in Fig. 7 Stage c1-c5.When detecting pressure in pressure cooking appliance and reaching first pressure Pa, heater is stopped or reduces power Work, pressure begins to decline in such pressure cooking appliance, when detecting that pressure is down to Pb in pressure cooking appliance, heater Work on or increased wattage work, pressure begins to ramp up in pressure cooking appliance, and pressure rises in pressure cooking appliance During Pa, heater is stopped or drops low-power operation again, is so repeated several times.

In an embodiment of the present invention, pot cover is opened in cooking process to be included in heating period opening pot cover or protecting The pressure stage opens pot cover.

Wherein, uncapped halfway in the heating period, i.e., stage b 1-b3 shown in Fig. 6, control heater stops heating or reduces work( Rate is heated and starts cooler and pot and/or pot cover cooled down so that pressure is less than or equal to default pressure in pressure cooking appliance Power P0, locked component releases the locking between pot and pot cover.In addition, during step-down, controller can also the row of control Gas in air valve discharge pot.So, user can open pot cover and carry out subsequent operation as needed, such as to culinary art After food is stirred, close pot cover.

When packing stage needs midway to uncap, i.e., stage c2-c4 as shown in Figure 7, controller starts cooler to pot And/or pot cover is cooled down, and control heater to stop heating, make pressure reduction in pressure cooking appliance, in pressure cooking When pressure is less than or equal to preset pressure in utensil, the safe pressure that can open pot cover is reached, locked component releases pot and pot Locking between lid, so, user can open pot cover and carry out subsequent operation as needed, for example, the food cooked is carried out After stirring, close pot cover.After the pot cover that closes, heater continues to heat, and proceeds packing stage, until in controller When timer reaches Preset Time, pressure cooking appliance enters stage b 4-b5 of the pressure release stage for example shown in Fig. 6, shown in Fig. 7 Stage c5-c6, food cooking terminates, and heater stops heating.Terminate in food cooking, after heater stops heating, by certainly So cooling causes that pressure is depressurized to P0 in pressure cooking appliance, or by starting cooler so that cooler to pot and/or Pot cover is cooled down so that pressure is depressurized to rapidly P0 in pressure cooking appliance, and user can open pot cover.

In one particular embodiment of the present invention, when the heating period uncap halfway, as shown in figure 9, above-mentioned The control method of pressure cooking appliance is comprised the following steps:

S101, switches on power, and heater is started working.

S102, pressure rises in pressure cooking appliance.

S103, carries out midway and uncaps.

S104, control heater is stopped and opens cooler.

S105, pressure is less than or equal to preset pressure such as zero-pressure, i.e. pressure in pressure cooking appliance in pressure cooking appliance Reach the safe pressure that can be uncapped.

S106, opens pot cover, facilitates user to understand the concrete condition of cooked food, to carry out subsequent operation, example After being such as stirred to the food cooked, into next step.

S107, close pot cover.

S108, into packing stage.When detecting that pressure reaches first pressure in pressure cooking appliance, heater stops Work or drop low-power operation, in pressure cooking appliance pressure from first pressure be reduced to second pressure when, heater continue work Make or increased wattage work, be so repeated.

S109, timer reaches Preset Time.

S110, control heater is stopped, and food cooking terminates.

S111, into the pressure release stage, when pressure is down to preset pressure such as zero-pressure in pressure cooking appliance, can open pot Lid.

In another embodiment of the present invention, when packing stage uncap halfway, as shown in Figure 10, above-mentioned pressure The control method of pressure cooking apparatus is comprised the following steps:

S201, switches on power, and heater is started working.

S202, pressure rises in pressure cooking appliance.

S203, pressure reaches first pressure in pressure cooking appliance.

S204, into packing stage.When detecting that pressure reaches first pressure in pressure cooking appliance, heater stops Work or drop low-power operation, in pressure cooking appliance pressure from first pressure be reduced to second pressure when, heater continue work Make or increased wattage work, be so repeated.

S205, carries out midway and uncaps.

S206, control heater is stopped and opens cooler.

S207, pressure is less than or equal to preset pressure such as zero-pressure, i.e. pressure in pressure cooking appliance in pressure cooking appliance Reach the safe pressure that can be uncapped.

S208, opens pot cover, facilitates user to understand the concrete condition of cooked food, to carry out subsequent operation, example After being such as stirred to the food cooked, into next step.

S209, close pot cover.

S210, continues packing stage.Similarly, when detecting that pressure reaches first pressure in pressure cooking appliance, plus Hot device is stopped or drops low-power operation, in pressure cooking appliance pressure from first pressure be reduced to second pressure when, heating Device works on or increased wattage work, is so repeated.

S211, timer reaches Preset Time.

S212, control heater is stopped, and food cooking terminates.

S213, into the pressure release stage, when pressure is down to preset pressure such as zero-pressure in pressure cooking appliance, can open pot Lid.

In one embodiment of the invention, in the cooking process of pressure cooking appliance, controller also controls cooler Pot and/or pot cover are cooled down, temperature difference is produced so that the food in pressure cooking appliance seethes with excitement with pot.Also It is to say, when not carrying out uncapping in the cooking process of pressure cooking appliance halfway, controller can also control cooler to pot Body and/or pot cover are cooled down, so in pot produce temperature difference so that in pressure cooking appliance food boiling, so as to press Air bleeding valve need not be opened and may be such that food forms the phenomenon that rolling is seethed with excitement in pot by pressure cooking apparatus, so that pressure cooking device Fluid in tool will not splash out, the generation of noise, is also not in what steam was hurted sb.'s feelings when more cleaning, and avoiding exhaust Situation, it is ensured that the safety of user.

The control method of the pressure cooking appliance for proposing according to embodiments of the present invention, in the cooking process of pressure cooking appliance Middle controller obtains midway and uncaps a little, and a startup cooler of being uncapped halfway is cooled down to pot and/or pot cover so as to be pressed Pressure is less than or equal to the locking that locked component during preset pressure is released between pot and pot cover in pressure cooking apparatus, so that pressure Pressure cooking apparatus quick in cooking process can reduce the pressure in utensil to reach the safe pressure that midway is uncapped, and realize cooking Pot cover is opened during preparing food, facilitates user to understand the situation of cooked food to carry out subsequent operation, give user's cooking food Bring convenience, and then can cause that the effect of food for cooking is good, meet the demand of user.Also, control method letter It is single reliable.

Additionally, including pot 100, pot cover 200, locking according to the pressure cooking appliance that another embodiment of the invention is proposed Component 10, cooler 40 and button 80 of uncapping halfway.

Locked component 10 is used to lock on pot cover 200 and pot 100;Cooler 40 is used to cool down the pot and/or pot Lid.Midway button 80 of uncapping is connected with cooler 40, and the midway that button 80 of uncapping halfway reception user sends is uncapped instruction, wherein If midway is uncapped, button 80 is triggered by the user in the cooking process of the pressure cooking appliance, and cooler 40 starts simultaneously Cooled down so that in the pressure cooking appliance pressure be less than or equal to preset pressure when locked component 10 release the pot and Locking between the pot cover.

As shown in figure 11, one end of cooler 40 can be by button 80 and master control borad 1000 and the input power of uncapping halfway It is respectively connected with, the other end of cooler 40 is also connected with master control borad 1000 and input power, master control borad 1000 and input power phase Even, so, when midway uncap button 80 triggered by user when, input power powered to cooler so that cooler start working, So as to adjust pressure in pressure cooking appliance.

It is understood that can also set controller 50 on master control borad, controller 50 obtains midway and uncaps a little, and A control cooler 50 of uncapping halfway is started working.

The pressure cooking appliance for proposing according to embodiments of the present invention, if midway in the cooking process of pressure cooking appliance Button of uncapping is triggered by user, and cooler starts and pot and/or pot cover are cooled down, so that pressure in pressure cooking appliance Locked component releases the locking between pot and pot cover during less than or equal to preset pressure, facilitates user to open pot cover.Therefore, this hair Bright pressure cooking appliance can in the cooking process the quick pressure that reduces in pressure cooking appliance to reach the peace that midway is uncapped Total pressure, realizes opening pot cover in cooking process, after facilitating user to understand the concrete condition of cooked food to carry out Continuous operation, brings convenience to user's cooking food, and then can cause that the effect of food for cooking is good, meets the need of user Ask, and also generation noise can be avoided in pressure cooking appliance during pressure in quick reduction, improve Consumer's Experience.

Any process described otherwise above or method description in flow chart or herein is construed as, and expression includes It is one or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussion suitable Sequence, including function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention Embodiment person of ordinary skill in the field understood.

Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use In the order list of the executable instruction for realizing logic function, in may be embodied in any computer-readable medium, for Instruction execution system, device or equipment(As computer based system, including the system of processor or other can be held from instruction The system of row system, device or equipment instruction fetch and execute instruction)Use, or with reference to these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass The dress that defeated program is used for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment Put.The more specifically example of computer-readable medium(Non-exhaustive list)Including following:With the electricity that one or more are connected up Connecting portion(Electronic installation), portable computer diskette box(Magnetic device), random access memory(RAM), read-only storage (ROM), erasable edit read-only storage(EPROM or flash memory), fiber device, and portable optic disk is read-only deposits Reservoir(CDROM).In addition, computer-readable medium can even is that the paper that can thereon print described program or other are suitable Medium, because optical scanner for example can be carried out by paper or other media, then enters edlin, interpretation or if necessary with it His suitable method is processed electronically to obtain described program, is then stored in computer storage.

It should be appreciated that each several part of the invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned In implementation method, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage Or firmware is realized.If for example, realized with hardware, and in another embodiment, can be with well known in the art Any one of row technology or their combination are realized:With the logic gates for realizing logic function to data-signal Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array(PGA), scene Programmable gate array(FPGA)Deng.

Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried The rapid hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.

Additionally, during each functional unit in each embodiment of the invention can be integrated in a processing module, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated mould Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as Fruit is to realize in the form of software function module and as independent production marketing or when using, it is also possible to which storage is in a computer In read/write memory medium.

Storage medium mentioned above can be read-only storage, disk or CD etc..

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any One or more embodiments or example in combine in an appropriate manner.

Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention And modification, the scope of the present invention is by appended claims and its equivalent limits.

Claims (11)

1. a kind of pressure cooking appliance, it is characterised in that including:
Pot and pot cover;
The locked component that the pot cover and the pot are locked;
The heater heated to the pot;
Cooler for cooling down the pot and/or pot cover;And
Controller, the controller is respectively connected with the locked component, the heater and the cooler, the controller Obtain midway to uncap a little, and uncapped in the midway and start the cooler and cooled down, so that the pressure cooking appliance Interior pressure is less than or equal to the locking that locked component during preset pressure is released between the pot and the pot cover;
Wherein, in the cooking process of the pressure cooking appliance, the controller also controls the cooler to the pot And/or pot cover is cooled down, temperature difference is produced so that the food in the pressure cooking appliance seethes with excitement with the pot.
2. pressure cooking appliance as claimed in claim 1, it is characterised in that the cooking process of the pressure cooking appliance includes Heating period and packing stage, wherein,
The heater laser heating is controlled in controller described in the heating period;
Heater interval heating is controlled in controller described in the packing stage;
In the midway, a little controller of uncapping controls the heater to stop heating.
3. pressure cooking appliance as claimed in claim 2, it is characterised in that also include:
The pressure detector of pressure in the pressure cooking appliance is detected, the pressure detector is connected with the controller, its In, control pressure in the pressure cooking appliance to reach the first pressure by the heater in controller described in the heating period Power, pressure changes repeatedly between the first pressure and second pressure in pressure cooking appliance described in the packing stage, Wherein described first pressure is more than the second pressure.
4. pressure cooking appliance as claimed in claim 1, it is characterised in that also include:
Air bleeding valve, the air bleeding valve is connected with the controller, wherein also controlling institute in the midway a little controller of uncapping State the gas that air bleeding valve is discharged in the pot.
5. pressure cooking appliance as claimed in claim 1, it is characterised in that the cooler includes electronic type cooler, wind One or more in cold type cooler or water-cooled cooler.
6. a kind of control method of pressure cooking appliance, it is characterised in that the pressure cooking appliance include heater, pot, Pot cover, locked component, cooler and controller, the control method are comprised the following steps:
The controller controls the heater to heat the pot;And
The controller obtains midway and uncaps a little, and is uncapped in the midway and start the cooler and cooled down, so that institute State in pressure cooking appliance pressure and be less than or equal to locked component during preset pressure and release between the pot and the pot cover Locking;
Wherein, in the cooking process of the pressure cooking appliance, the controller also controls the cooler to the pot And/or pot cover is cooled down, temperature difference is produced so that the food in the pressure cooking appliance seethes with excitement with the pot.
7. the control method of pressure cooking appliance as claimed in claim 6, it is characterised in that the pressure cooking appliance is cooked Process of preparing food includes heating period and packing stage, wherein,
The heater laser heating is controlled in controller described in the heating period;
Heater interval heating is controlled in controller described in the packing stage;
In the midway, a little controller of uncapping controls the heater to stop heating.
8. the control method of pressure cooking appliance as claimed in claim 7, it is characterised in that also include:
Detect pressure in the pressure cooking appliance;
Pressure in the pressure cooking appliance is controlled to reach first by the heater in controller described in the heating period Pressure;
Pressure is controlled in the pressure cooking appliance described the by the heater in controller described in the packing stage Change repeatedly between one pressure and second pressure, wherein the first pressure is more than the second pressure.
9. the control method of pressure cooking appliance as claimed in claim 6, it is characterised in that uncapped in the midway a little described Controller also controls the air bleeding valve in the pressure cooking appliance to discharge the gas in the pot.
10. the control method of pressure cooking appliance as claimed in claim 8, it is characterised in that the first pressure more than 0 and Less than or equal to 200Kpa, the second pressure is more than 0 and less than the first pressure.
A kind of 11. pressure cooking appliances, it is characterised in that including:
Pot and pot cover;
The locked component that the pot cover and the pot are locked;
Cooler for cooling down the pot and/or pot cover;And
Midway is uncapped button, and midway button of uncapping is connected with the cooler, and midway button of uncapping receives user and sends out The midway for going out is uncapped instruction, wherein if the midway is uncapped, button is described in the cooking process of the pressure cooking appliance User triggers, and the cooler starts and cooled down, so that pressure is less than or equal to preset pressure in the pressure cooking appliance Shi Suoshu locked components release the locking between the pot and the pot cover;
Wherein, in the cooking process of the pressure cooking appliance, the cooler carries out cold to the pot and/or pot cover But, temperature difference is produced so that the food in the pressure cooking appliance seethes with excitement with the pot.
CN201310648734.6A 2013-12-04 2013-12-04 Pressure cooking appliance and its control method CN104688026B (en)

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CN105527999B (en) * 2015-12-23 2018-11-09 珠海格力电器股份有限公司 Temprature control method of the pressure cooker in packing stage, device and system
CN107307729B (en) * 2016-04-27 2020-08-11 浙江绍兴苏泊尔生活电器有限公司 Control method of cooking appliance
CN107616684B (en) * 2016-07-15 2020-05-15 佛山市顺德区美的电热电器制造有限公司 Pressure cooker control method and pressure cooker
CN108244995A (en) * 2016-12-29 2018-07-06 佛山市顺德区美的电热电器制造有限公司 Pressure cooker and its control method
CN108784322A (en) * 2017-05-04 2018-11-13 佛山市顺德区美的电热电器制造有限公司 A kind of control method and equipment
CN107669105A (en) * 2017-09-28 2018-02-09 九阳股份有限公司 A kind of cooking methods of pressure cooker
CN107960851A (en) * 2017-11-15 2018-04-27 九阳股份有限公司 A kind of electric pressure cooking saucepan is uncapped the cooking methods of charging
CN107898305A (en) * 2017-11-15 2018-04-13 九阳股份有限公司 A kind of cooking methods of electric pressure cooking saucepan midway charging
CN107981703B (en) * 2017-12-07 2020-05-12 广东美的厨房电器制造有限公司 Cooking control method and device and cooking product
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