CN104688024B - Pressure cooking appliance and its control method - Google Patents
Pressure cooking appliance and its control method Download PDFInfo
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- CN104688024B CN104688024B CN201310647136.7A CN201310647136A CN104688024B CN 104688024 B CN104688024 B CN 104688024B CN 201310647136 A CN201310647136 A CN 201310647136A CN 104688024 B CN104688024 B CN 104688024B
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Abstract
The invention discloses a kind of pressure cooking appliance, it includes：Interior pot and pot cover, interior pot and pot cover formation heating chamber；The heater that internal pot is heated；Cooler for cooling down interior pot and/or pot cover；Float-controlled valve and locked component, after float-controlled valve rises the exhaust passage of seal-off pressure cooking apparatus, locked component locks float-controlled valve with heated sealed chamber；And controller, controller is respectively connected with heater and cooler, and the controller control internal pot of cooler and/or pot cover are cooled down so that generation negative pressure in heating chamber.The present invention pressure cooking appliance can after cook food in pot food progress it is fresh-keeping, meet the living needs of people, brought convenience to user.The invention also discloses a kind of control method of pressure cooking appliance.
Description
Technical field
The present invention relates to living electric apparatus technical field, more particularly to a kind of pressure cooking appliance and a kind of pressure means
Control method.
Background technology
Electric pressure cooking saucepan is the upgraded product of conventional high-tension pot and electric cooker, and it combines the excellent of pressure cooker and electric cooker
Point, controlled using elastic pressure, dynamic sealing, outer spiral cover, the new technology such as displacement controllable electric switch, and can be cooked with hermetically sealed
Adjust, pressure can continuously adjustabe, relieve general pressure cooker puzzlement consumer potential safety hazard for many years.In addition, electric pressure cooking saucepan
The thermal efficiency is more than 80%, time saving power saving（Than ordinary electric rice cooker economize on electricity more than 30%）.Therefore, there are other cooking appliances can not compare for it
The advantage of plan, can meet many culinary art needs, and energy is quick, safe, realize a variety of cooking methods automatically, and it is saved, nutrition
Characteristic be modern pursue direction.
But, in environment temperature higher summer or torrid areas, electric pressure cooking saucepan after culinary art terminates, if with
Family uses the food in the food in pot, pot will be because temperature is high and degenerates not in time, and the life given people brings one
Fixed influence, therefore existing electric pressure cooking saucepan can not meet the life requirement of people, it is necessary to change to it to a certain extent
Enter.
The content of the invention
The purpose of the present invention is intended at least solve above-mentioned technological deficiency.
Therefore, it is an object of the present invention to propose a kind of pressure cooking appliance, the pressure cooking appliance can cooked
Having prepared food, it is fresh-keeping the food in pot to be carried out after food, meets the living needs of people, is brought convenience to user.
It is another object of the present invention to propose a kind of control method 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：Interior pot and pot
Lid, interior pot and pot cover the formation heating chamber；The heater heated to the interior pot；For cool down the interior pot and/or
The cooler of pot cover；Float-controlled valve and locked component, when the float-controlled valve rises the exhaust passage of the closed pressure cooking appliance
Afterwards, the locked component locks the float-controlled valve to seal the heating chamber；And controller, the controller controls described
Cooler is cooled down to the interior pot and/or pot cover so as to produce negative pressure in the heating chamber.
Pressure cooking appliance according to embodiments of the present invention, the exhaust passage of seal-off pressure cooking apparatus is risen in float-controlled valve
Locked component locks float-controlled valve with heated sealed chamber afterwards, and after the completion of the cooking process of pressure cooking appliance, controller control
The internal pot of cooler and/pot cover are cooled down so as to produce negative pressure in heating chamber and maintain the food in negative pressure, such pot
It is in the environment of negative pressure, bacteria breed is slow, so as to play preservation.Therefore the pressure cooking appliance of the present invention can be
Cooked after food in pot food carry out it is fresh-keeping, meet the living needs of people, brought convenience to user.
According to one embodiment of present invention, the locked component is push-rod assembly, and the push-rod assembly is from first position
The second place is moved to lock the float-controlled valve.
According to one embodiment of present invention, described pressure cooking appliance also includes：Trigger button, the triggering button
It is connected with the push-rod assembly, when the triggering button is triggered, the push-rod assembly is moved to institute from the first position
State the second place.
According to one embodiment of present invention, the stage that the heater is heated to the interior pot includes the first stage
And second stage, wherein the pressure in described in the first stage in pot reaches first pressure, in the second stage
Pressure in the interior pot is reduced to second pressure from the first pressure.
Wherein, the stage that the heater is heated to the interior pot includes multiple first stage and multiple described
Second stage.
According to one embodiment of present invention, the controller also includes timer, wherein in the timing of the timer
When time reaches preset time, the stage that the heater is heated to the interior pot completes.
Specifically, the cooler can include electronic type cooler, air cooled chiller or water-cooled cooler
In one or more.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes the control method of pressure cooking appliance, wherein,
The pressure cooking appliance includes interior pot, pot cover, heating chamber, cooler, heater, locked component and float-controlled valve, the control
Method comprises the following steps：The heater is controlled to heat the interior pot；When the float-controlled valve rises the closed pressure
Behind the exhaust passage of pressure cooking apparatus, the locked component locks the float-controlled valve to seal the heating chamber；Control is described
Cooler is cooled down to the interior pot and/or pot cover so as to produce negative pressure in the heating chamber.
The control method of cooking apparatus according to embodiments of the present invention, when the internal pot of heater is heated, float-controlled valve is beaten
The exhaust passage for opening pressure cooking appliance is exhausted, and after float-controlled valve rises closed exhaust passage locked component by float-controlled valve
Locking controls the internal pot of cooler and/or pot cover with heated sealed chamber, and after the completion of the cooking process of pressure cooking appliance
Cooled down so as to produce negative pressure in heating chamber and the food that maintains in negative pressure, such pot is in the environment of negative pressure, bacterium
Grow slow, so as to play preservation.Therefore the control method of the pressure cooking appliance of the present invention being capable of control pressure culinary art
Utensil after having cooked food in pot food carry out it is fresh-keeping, meet the living needs of people, brought convenience to user.
According to one embodiment of present invention, when the locked component is push-rod assembly, the push-rod assembly is from first
Position is moved to the second place to lock the float-controlled valve.
According to one embodiment of present invention, the pressure cooking appliance also includes triggering button, when the triggering button
When being triggered, the push-rod assembly is moved to the second place from the first position.
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 the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Figure 1A is the schematic diagram of the pressure cooking appliance according to the embodiment of the present invention；
Figure 1B is the part block diagram of the pressure cooking appliance according to the embodiment of the present invention；
Fig. 1 C- Fig. 1 E are the profile of the pot cover according to one embodiment of the invention；
Fig. 2 is the curve map according to pot inner pressure in the pressure cooking appliance course of work of one embodiment of the invention；
Fig. 3 is the curve according to pot inner pressure in the pressure cooking appliance course of work of another embodiment of the present invention
Figure；
Fig. 4 for pot inner pressure in the electric pressure cooking saucepan course of work in the prior art curve map；
Fig. 5 is the flow chart of the control method of the pressure cooking appliance according to the embodiment of the present invention；And
Fig. 6 is the flow chart of the control method of the pressure cooking appliance according to a specific embodiment of the invention.
Reference：
Interior pot 10, heater 20, cooler 30, controller 40, pot cover 50, float-controlled valve 60, locked component 70, heating chamber
100, master control borad 200.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, 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 the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and
Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This
Outside, the invention provides various specific techniques and material example, but those of ordinary skill in the art can be appreciated that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
" on " structure can include the first and second features and be formed as the embodiment that directly contacts, other feature shape can also be included
Into the embodiment between the first and second features, such first and second feature may not be direct 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 the connection of two element internals, can
To be to be joined directly together, it can also 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.
The control of pressure cooking appliance and pressure cooking appliance according to embodiments of the present invention described with reference to the accompanying drawings
Method processed.
Figure 1A is the schematic diagram of the pressure cooking appliance according to the embodiment of the present invention, and Figure 1B is according to the embodiment of the present invention
The part block diagram of pressure cooking appliance, Fig. 1 C- Fig. 1 E are the profile of the pot cover according to one embodiment of the invention.Such as
Shown in Figure 1A, Figure 1B and Fig. 1 C, the pressure cooking appliance includes interior pot 10, pot cover 50, heater 20, cooler 30, float-controlled valve
60th, locked component 70 and controller 40.
Wherein, as shown in Figure 1A, interior pot 10 and pot cover 50 formation heating chamber 100, heater is added for internal pot 10
Heat, cooler 30 is used to cool down interior pot 10 and/or pot cover 50.
As shown in Figure 1 C, when pot 10 is heated in 20 pairs of heater, float-controlled valve 60 is in lowering position, now pressure
The exhaust passage of cooking apparatus is to open, the cold air in discharge heating chamber 100.After the cold air in heating chamber 100 is discharged,
Float-controlled valve 60 is in raised position, as shown in figure iD, now, the closed exhaust passage of float-controlled valve 60, and heating chamber 100 is in sealing shape
State.Then, as referring to figure 1E, after float-controlled valve 60 rises the exhaust passage of seal-off pressure cooking apparatus, locked component 70 is for example
Push-rod assembly locks float-controlled valve 60 with heated sealed chamber 100.
According to one embodiment of present invention, as shown in Fig. 1 C- Fig. 1 E, locked component 70 is push-rod assembly, push-rod assembly
It is moved to the second place to lock float-controlled valve 60 from first position.
Preferably, according to one embodiment of present invention, above-mentioned pressure cooking appliance also includes triggering button, and triggering is pressed
Key is connected with push-rod assembly, and when triggering button is triggered, push-rod assembly is moved to the second place from first position.
Wherein, as shown in Fig. 1 C or Fig. 1 D, push-rod assembly is in first position, and float-controlled valve is not locked now.Such as Fig. 1 E
Shown, push-rod assembly is in the second place, now locks float-controlled valve.
As shown in Figure 1B, controller 40 is arranged on master control borad 200, master control borad 200 and 30 points of heater 20 and cooler
Not Xiang Lian, pot 10 and/or pot cover 50 are cooled down in 30 pairs of the cooler of control of controller 40 bears so as to be produced in heating chamber 100
Pressure.Say, after the completion of the cooking process of pressure cooking appliance, now locked component 70 locks float-controlled valve 60 with heated sealed
Chamber 100, controller 40 is by controlling cooler 30 to be cooled down, and because locked component 70 is by float-controlled valve 60 in cooling procedure
Locking, float-controlled valve 60 can not be fallen, and heating chamber 100 is also to maintain sealing, so as to realize that the pressure in heating chamber 100 is less than or equal to
Preset pressure is negative pressure, and the pressure in heating chamber 100 is maintained preset pressure, wherein, preset pressure is less than outside atmosphere
Pressure, is, for example, less than 0Kpa, now, and subnormal ambient is formd in heating chamber 100.
It should be noted that in an embodiment of the present invention, the cooking process of pressure cooking appliance completes to be that finger pressure is cooked
The whole cooking process of utensil of preparing food terminates, i.e., the completion in the pressure release stage of pressure cooking appliance described below.
According to one embodiment of present invention, as shown in Fig. 2 the course of work of above-mentioned pressure cooking appliance includes heating rank
Section, packing stage, pressure release stage and negative pressure stage.
Wherein, in the heating period（b0-b1）, pressure cooking appliance energization, heater is begun to warm up, in pressure cooking appliance
When pressure in interior pot reaches first pressure Pa, cooler 30 starts to be actuated for work, and heater stops heating or reduction work(
Rate works.
In packing stage（b1-b2）, by controlling cooler 30 so that pot inner pressure is down to the in pressure cooking appliance
During two pressure Pb, control heater continues to heat or increased wattage work, when interior pot inner pressure reaches Pa in pressure cooking appliance,
Heater stops heating or drop low-power operation, then by controlling cooler 30 so that pressure in pressure cooking appliance in pot
Power is down to second pressure Pb again, and control heater continues to heat or increased wattage work, so several stages repeatedly, until control
Timer in device processed reaches preset time.
That is, in the heating period（b0-b1）And packing stage（b1-b2）, the rank that the internal pot of heater is heated
Section includes first stage and second stage, wherein the pressure in interior pot reaches first pressure Pa in the first phase, in second-order
Pressure in section in pot is reduced to second pressure Pb from first pressure Pa.Also, the stage that the internal pot of heater is heated
Including multiple first stage and multiple second stage.
Wherein, controller also includes timer, and when the timing time of timer reaches preset time, heater pair
The stage that interior pot is heated completes, into the pressure release stage.And before the pressure release stage, locked component locks float-controlled valve.
It is understood that in an embodiment of the present invention, float-controlled valve rises closed exhaust passage so that after heating chamber sealing, to pressure release
Any time before stage, float-controlled valve can be locked by locked component, such as user by press triggering button with
Push-rod assembly is moved to the second place from first position, float-controlled valve is locked.
In the pressure release stage（b2-b3）, heater stops heating, and cooler starts, in pressure cooking appliance in pressure in pot
Power is down to the 3rd pressure P0 from Pa, and now the cooking process of pressure cooking appliance terminates.
In the negative pressure stage（b3-b4）, in pressure cooking appliance in pressure in pot be reduced to after P0, control cooler continues work
Make, until the pressure in pressure cooking appliance in pot is less than or equal to preset pressure Pc, form negative pressure, control cooler stops work
Make.And it is fresh-keeping that the pressure in pressure cooking appliance in pot maintains Pc progress products always.
According to another embodiment of the invention, as shown in figure 3, the course of work of above-mentioned pressure cooking appliance equally includes
Heating period, packing stage, pressure release stage and negative pressure stage.
Wherein, in the heating period（b0-b1）, pressure cooking appliance energization, heater is begun to warm up, in pressure cooking appliance
When pressure in interior pot reaches first pressure Pa, heater stops heating or drop low-power operation.
In packing stage（b1-b2）, by natural cooling, the pressure in pressure cooking appliance in interior pot is down to second pressure
Pb, control heater continues to heat or increased wattage work, when the pressure in pressure cooking appliance in interior pot reaches Pa, heater
Stop heating or drop low-power operation, again by natural cooling, in pressure cooking appliance in pressure in pot be down to the again
Two pressure Pb, control heater continues to heat or increased wattage work, so several stages repeatedly, until the timing in controller
Device reaches preset time.
Similarly, in the heating period（b0-b1）And packing stage（b1-b2）, the stage that the internal pot of heater is heated
Including first stage and second stage, wherein the pressure in interior pot reaches first pressure Pa in the first phase, in second stage
In in pressure in pot be reduced to second pressure Pb from first pressure Pa.Also, the stage bag that the internal pot of heater is heated
Include multiple first stage and multiple second stage.
Wherein, controller also includes timer, and when the timing time of timer reaches preset time, heater pair
The stage that interior pot is heated completes, into the pressure release stage.And before the pressure release stage, locked component locks float-controlled valve.
It is understood that in an embodiment of the present invention, float-controlled valve rises closed exhaust passage so that after heating chamber sealing, to pressure release
Any time before stage, float-controlled valve can be locked by locked component, such as user push directly on push-rod assembly from
First position is moved to the second place, and float-controlled valve is locked.
In the pressure release stage（b2-b3）, heater stops heating, by natural cooling, in pressure cooking appliance in pot
Pressure is down to the 3rd pressure P0 from Pa, now, and the cooking process of pressure cooking appliance terminates.
In the negative pressure stage（b3-b4）, in pressure cooking appliance in pressure in pot be reduced to after P0, control cooler start into
Row work, until the pressure in pressure cooking appliance in pot is less than or equal to preset pressure Pc, forms negative pressure, control cooler stops
Only work.And it is fresh-keeping that the pressure in pressure cooking appliance in pot maintains Pc progress products always.
However, it is necessary to explanation, in the prior art, as shown in figure 4, the course of work of existing electric pressure cooking saucepan is divided into
Heating period, packing stage, pressure release stage.Wherein, in the heating period（a0-a1）, product energization, heater start-up operation, production
When pressure in product reaches setting value Pa, heater stops or low-power operation.In packing stage（a1-a2）, the pressure in product
Power natural cooling is down to Pb, and heater continues to heat, when interiors of products pressure reaches Pa, and heater stops heating, and product is natural
Pb is cooled down to, heater is begun to warm up again, so several stages repeatedly, until timing module reaches setting time.In pressure release
Stage（a2-a3）, food cooking terminates, product natural cooling, and the pressure in product is down to P0 from Pa.But, in environment temperature
Compare high summer or torrid areas, electric pressure cooking saucepan is after culinary art terminates, if user uses the food in pot not in time,
Food in pot will be because temperature be high and degenerates, and the life given people brings certain influence.
Therefore says, the air of pressure cooking appliance of the invention before pressure is played in pot is largely discharged, rise after pressure to drop
The whole process pressure cooking appliance for being pressed onto Pc is all a sealed cavity, and the lasting temperature difference to form negative in heating chamber
Pressure, in the environment of negative pressure, bacteria breed is slow, and then plays fresh-keeping effect.
According to one embodiment of present invention, cooler can include electronic type cooler, air cooled chiller or water
One or more in cold type cooler, it is of course also possible to be the cooler of other types of cooling.
Specifically, in one embodiment of the invention, preset pressure Pc is more than or equal to -200Kpa and less than 0, first pressure
Power Pa is more than 0 and less than or equal to 200Kpa, and second pressure Pb is more than 0 and less than first pressure Pa.In addition, the 3rd pressure P0 is more than
Equal to 0, but no more than 4Kpa.Wherein, in the example of the present invention, the pot inner pressure of pressure cooking appliance reaches Pa for example
When 70Kpa, cooler starts, and pressure is rapidly decreased to boiling-like occur inside Pb such as 40Kpa, pressure cooking appliance.
Pressure cooking appliance according to embodiments of the present invention, the exhaust passage of seal-off pressure cooking apparatus is risen in float-controlled valve
Locked component locks float-controlled valve with heated sealed chamber afterwards, and after the completion of the cooking process of pressure cooking appliance, controller control
The internal pot of cooler and/pot cover are cooled down so as to produce negative pressure in heating chamber and maintain the food in negative pressure, such pot
It is in the environment of negative pressure, bacteria breed is slow, so as to play preservation.Therefore the pressure cooking appliance of the present invention can be
Cooked after food in pot food carry out it is fresh-keeping, meet the living needs of people, brought convenience to user.
Fig. 5 is the flow chart of the control method of the pressure cooking appliance according to the embodiment of the present invention.Wherein, pressure cooking device
Pot, pot cover, heating chamber, cooler, heater, locked component and float-controlled valve in tool.As shown in figure 5, the pressure cooking appliance
Control method comprises the following steps：
S1, the control internal pot of heater is heated.
Wherein, when the internal pot of heater is heated, the exhaust passage of float-controlled valve opening pressure cooking appliance is arranged
Gas.
S2, after float-controlled valve rises closed exhaust passage, locked component locks float-controlled valve with heated sealed chamber.
That is, pressure cooking appliance is before pressure is played, float-controlled valve is in lowering position, and exhaust passage is to open, plus
The air of hot intracavitary is largely discharged.Pressure cooking appliance is risen after pressure, and float-controlled valve is in raised position, so that closed exhaust is logical
Road, heating chamber is in sealing state.Now, locked component locks float-controlled valve, so as to ensure that heating chamber is constantly in sealing shape
State.
According to one embodiment of present invention, when locked component is push-rod assembly, push-rod assembly is moved from first position
To the second place so that float-controlled valve to be locked.
That is, in an embodiment of the present invention, float-controlled valve rises closed exhaust passage so that after heating chamber sealing, extremely
Any time before the pressure release stage, float-controlled valve can be locked by locked component, such as user pushes directly on push rod group
Part is moved to the second place from first position, and float-controlled valve is locked.
Or, according to one embodiment of present invention, pressure cooking appliance also includes triggering button, when triggering button is touched
During hair, push-rod assembly is moved to the second place from first position.
S3, the control internal pot of cooler and/or pot cover are cooled down so as to produce negative pressure in heating chamber.Say, in pressure
After the completion of the cooking process of cooking apparatus, now locked component locks float-controlled valve with heated sealed chamber, and controller passes through control
Cooler is cooled down, and because locked component locks float-controlled valve in cooling procedure, float-controlled valve can not be fallen, and heating chamber is also
Sealing is to maintain, so as to realize that the pressure in heating chamber is less than or equal to preset pressure i.e. negative pressure, and ties up the pressure in heating chamber
Hold in preset pressure, wherein, preset pressure is less than outside atmospheric pressure, is, for example, less than 0Kpa, now, is formd in heating chamber
Subnormal ambient.
Specifically, according to one embodiment of present invention, as shown in Figure 2 and Figure 4, the work of above-mentioned pressure cooking appliance
Process includes heating period, packing stage, pressure release stage and negative pressure stage.Wherein, the cooking process of pressure cooking appliance includes
Heating period, packing stage and pressure release stage.
Specifically, in one embodiment of the invention, as shown in fig. 6, the control method of the pressure cooking appliance includes
Following steps：
S601, control heater is started working.
Pressure is produced in S602, pressure cooking appliance in pot.Air in heating chamber is discharged, and float-controlled valve is risen with close
Exhaust passage is closed, now float-controlled valve is locked by locked component so that heating chamber is constantly in sealing state.
Pressure in S603, interior pot reaches first pressure Pa.
S604, heater is stopped.
That is, in the heating period, pressure cooking appliance is powered, and heater is started working, interior in pressure cooking appliance
When pressure in pot reaches first pressure Pa, heater is stopped.
Pressure in S605, interior pot is reduced to second pressure Pb.
S606, heater works on.
S607, judges whether reach preset time during timer, if it is, into next step S608, if not, entering
Enter step S603.
That is, in packing stage, when the pressure in pressure cooking appliance in interior pot is down to second pressure Pb, control adds
Hot device continues to heat, and when the pressure in pressure cooking appliance in interior pot reaches Pa, heater stops heating, works as pressure cooking appliance
In in pressure in pot be down to second pressure Pb again, control heater continues to heat, so several stages repeatedly, until control
Timer in device reaches preset time.
Therefore says, in heating period and packing stage, the stage that the internal pot of heater is heated including the first stage with
Second stage, wherein the pressure in interior pot reaches first pressure Pa in the first phase, the pressure in second stage in interior pot
Second pressure Pb is reduced to from first pressure Pa.Also, the stage that the internal pot of heater is heated includes multiple first stage
With multiple second stage.
Wherein, controller also includes timer, and when the timing time of timer reaches preset time, heater pair
The stage that interior pot is heated completes, into the pressure release stage.
S608, heater stops heating.
Pressure in S609, interior pot is reduced to the 3rd pressure P0.
After the completion of the pressure release stage, the cooking process of pressure cooking appliance terminates, the pressure in pressure cooking appliance in interior pot
Power is down to the 3rd pressure P0.Wherein, because float-controlled valve is locked, therefore float-controlled valve is not fallen out, so that heating chamber is still
In sealing state.
S610, starts cooler.
Pressure in S611, interior pot is reduced to preset pressure Pc.
S612, cooler is stopped.
Pressure in negative pressure stage, i.e. pressure cooking appliance in pot is reduced to after P0, and control cooler starts, until pressure
Pressure in pressure cooking apparatus in pot is down in preset pressure Pc, heating chamber from P0 forms negative pressure, and control cooler stops work
Make.And it is fresh-keeping that the pressure in pressure cooking appliance in pot maintains Pc progress products always.
In one embodiment of the invention, preset pressure Pc is more than or equal to -200Kpa and less than 0, and first pressure Pa is big
In 0 and less than or equal to 200Kpa, second pressure Pb is more than 0 and less than first pressure Pa.In addition, the 3rd pressure P0 is more than or equal to 0,
But no more than 4Kpa.Wherein, in the example of the present invention, interior pot inner pressure reaches Pa for example in pressure cooking appliance
When 70Kpa, cooler starts, and pressure is rapidly decreased to boiling-like occur inside Pb such as 40Kpa, cooking apparatus.
The control method of cooking apparatus according to embodiments of the present invention, when the internal pot of heater is heated, float-controlled valve is beaten
The exhaust passage for opening pressure cooking appliance is exhausted, and after float-controlled valve rises closed exhaust passage locked component by float-controlled valve
Locking controls the internal pot of cooler and/or pot cover with heated sealed chamber, and after the completion of the cooking process of pressure cooking appliance
Cooled down so as to produce negative pressure in heating chamber and the food that maintains in negative pressure, such pot is in the environment of negative pressure, bacterium
Grow slow, so as to play preservation.Therefore the control method of the pressure cooking appliance of the present invention being capable of control pressure culinary art
Utensil after having cooked food in pot food carry out it is fresh-keeping, meet the living needs of people, brought convenience to user.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include
Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not be by shown or discussion suitable
Sequence, including according to involved function 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 for the executable instruction for realizing logic function, it 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 combine 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
Defeated program is for instruction execution system, device or equipment or the dress for combining these instruction execution systems, device or equipment and using
Put.The more specifically example of computer-readable medium（Non-exhaustive list）Including following：Electricity with one or more wirings
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, can even is that can be in the paper of printing described program thereon or other are suitable for computer-readable medium
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, 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, and in another embodiment, can be with well known in the art for example, realized with hardware
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
Rapid to can be by program to instruct the hardware of correlation to complete, 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.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be 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 realized using in the form of software function module and as independent production marketing or in use, can also be stored 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 the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description 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
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (10)
1. a kind of pressure cooking appliance, it is characterised in that including：
Interior pot and pot cover, interior pot and pot cover the formation heating chamber；
The heater heated to the interior pot；
Cooler for cooling down the interior pot and/or pot cover；
Float-controlled valve and locked component, after the float-controlled valve rises the exhaust passage of the closed pressure cooking appliance, the lock
Determine component to lock the float-controlled valve to seal the heating chamber；And
Controller, the controller controls the cooler to cool down so that the heating chamber the interior pot and/or pot cover
Interior generation negative pressure, wherein, pressure of the controller in pressure cooking appliance in interior pot is less than or equal to control during preset pressure
The cooler is stopped, and controls the pressure in the interior pot to maintain the preset pressure.
2. pressure cooking appliance as claimed in claim 1, it is characterised in that the locked component is push-rod assembly, described to push away
Bar assembly is moved to the second place to lock the float-controlled valve from first position.
3. pressure cooking appliance as claimed in claim 2, it is characterised in that also include：
Button is triggered, the triggering button is connected with the push-rod assembly, when the triggering button is triggered, the push rod group
Part is moved to the second place from the first position.
4. pressure cooking appliance as claimed in claim 1, it is characterised in that the heater is heated to the interior pot
Stage includes first stage and second stage, wherein the pressure in described in the first stage in pot reaches first pressure,
Pressure in described in the second stage in pot is reduced to second pressure from the first pressure.
5. pressure cooking appliance according to claim 4, it is characterised in that the heater is heated to the interior pot
Stage include multiple first stage and multiple second stage.
6. pressure cooking appliance as claimed in claim 4, it is characterised in that the controller also includes timer, wherein
When the timing time of the timer reaches preset time, the stage that the heater is heated to the interior pot completes.
7. 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.
8. a kind of control method of pressure cooking appliance, it is characterised in that the pressure cooking appliance includes interior pot, pot cover, added
Hot chamber, cooler, heater, locked component and float-controlled valve, the control method comprise the following steps：
The heater is controlled to heat the interior pot；
After the float-controlled valve rises the exhaust passage of the closed pressure cooking appliance, the locked component is by the float-controlled valve
Lock to seal the heating chamber；
The cooler is controlled to cool down the interior pot and/or pot cover so as to produce negative pressure in the heating chamber, wherein,
Pressure in pressure cooking appliance in pot is less than or equal to control the cooler to be stopped during preset pressure, and controls described
Pressure in interior pot maintains the preset pressure.
9. the control method of pressure cooking appliance as claimed in claim 8, it is characterised in that when the locked component is push rod
During component, the push-rod assembly is moved to the second place to lock the float-controlled valve from first position.
10. the control method of pressure cooking appliance as claimed in claim 9, it is characterised in that the pressure cooking appliance is also
Including triggering button, when the triggering button is triggered, the push-rod assembly is moved to described second from the first position
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310647136.7A CN104688024B (en) | 2013-12-04 | 2013-12-04 | Pressure cooking appliance and its control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310647136.7A CN104688024B (en) | 2013-12-04 | 2013-12-04 | Pressure cooking appliance and its control method |
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| CN104688024A CN104688024A (en) | 2015-06-10 |
| CN104688024B true CN104688024B (en) | 2017-09-19 |
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| CN201310647136.7A Active CN104688024B (en) | 2013-12-04 | 2013-12-04 | Pressure cooking appliance and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106993925A (en) * | 2016-01-22 | 2017-08-01 | 浙江苏泊尔家电制造有限公司 | Cooking apparatus and the control method for cooking apparatus |
| CN107788829B (en) * | 2016-09-06 | 2023-05-23 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil and upper cover assembly thereof |
| CN108261058B (en) * | 2016-12-31 | 2024-01-26 | 浙江绍兴苏泊尔生活电器有限公司 | Food preparation appliance |
| CN108261064A (en) * | 2016-12-31 | 2018-07-10 | 浙江绍兴苏泊尔生活电器有限公司 | food preparation appliance |
| CN108261046B (en) * | 2016-12-31 | 2023-12-12 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking control method of |
| CN108685475A (en) * | 2017-04-06 | 2018-10-23 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| CN109452853A (en) * | 2017-09-06 | 2019-03-12 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and its thermal-insulation control method |
| CN109832933A (en) * | 2017-11-27 | 2019-06-04 | 浙江绍兴苏泊尔生活电器有限公司 | The cooking methods of the sticky food of liquid |
| CN110507167B (en) * | 2018-05-21 | 2021-02-23 | 佛山市顺德区美的电热电器制造有限公司 | Float valve subassembly, cooking utensil's lid assembly and cooking utensil |
| CN110547672B (en) * | 2018-05-30 | 2022-02-15 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
| CN110786730A (en) * | 2018-08-02 | 2020-02-14 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and control method thereof |
| CN110786718B (en) * | 2018-08-02 | 2021-06-29 | 佛山市顺德区美的电热电器制造有限公司 | Upper cover of cooking equipment and cooking equipment |
| CN110786731B (en) * | 2018-08-02 | 2022-02-01 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, control method thereof, control device thereof and computer-readable storage medium |
| CN110786732A (en) * | 2018-08-02 | 2020-02-14 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and control method thereof |
| CN110967988A (en) * | 2018-09-30 | 2020-04-07 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and control method and device thereof |
| CN111759164B (en) * | 2019-04-02 | 2021-10-01 | 佛山市顺德区美的电热电器制造有限公司 | Operation control method, device, pressure cooking appliance and computer storage medium |
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| CN113208423A (en) * | 2021-06-25 | 2021-08-06 | 杭州荣灿科技有限公司 | Pressure cooker with negative pressure vacuum state |
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| CN86208676U (en) * | 1986-11-10 | 1987-11-18 | 王永光 | Self-controlled energy-saving pressure cooker with a special cover |
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| JP2009195485A (en) * | 2008-02-21 | 2009-09-03 | Toshiba Home Technology Corp | Rice cooker |
| CN201519049U (en) * | 2009-09-18 | 2010-07-07 | 浙江永达不锈钢制品有限公司 | Vacuum fresh-keeping pressure cooker |
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| CN201929701U (en) * | 2011-01-24 | 2011-08-17 | 美的集团有限公司 | Cooling and refrigerating device of electric cooking pot |
| CN102626285B (en) * | 2012-03-30 | 2014-04-09 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker with fresh-keeping function and fresh-keeping control method thereof |
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