Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.,
For this purpose, the present invention proposes a kind of control method of cooking apparatus, the cooking apparatus can guarantee cooking cavity not
With corresponding vacuum degree can be reached when meter Shui Liang.
The present invention also proposes a kind of cooking apparatus with above-mentioned control method.
The present invention also proposes a kind of cooking apparatus.
The control method of the cooking apparatus of embodiment according to a first aspect of the present invention, the cooking apparatus cook program extremely
Less include: preparation stage, water suction stage, the control method the following steps are included:
S1, in the preparation stage, obtain the current meter Shui Liang of the cooking apparatus, and according to the current rice watermeter
Calculation obtains first time t1, and vacuumizes to the cooking cavity of the cooking apparatus, until the time vacuumized reaches institute
When stating first time t1, stopping vacuumizes the cooking cavity, and the cooking apparatus enters the water suction stage;
S2, in the water suction stage, continue the second time t2.
The control method of cooking apparatus according to an embodiment of the present invention calculates meter Shui Liang in the preparation stage, meter Shui Liang is sentenced
It is disconnected to put before vacuum extraction, the pumpdown time is calculated by measurement meter Shui Liang, and the time by vacuumizing vacuumizes to control
Degree, guarantees that vacuum degree when different meter Shui Liang in cooking cavity is almost the same, improves the stability cooked.
According to one embodiment of present invention, the program of cooking further include: heating period, boiling stage and rank of cooking rice over a slow fire
Section,
After the step S2, the control method is further comprising the steps of:
S3, it is passed through gas in the cooking cavity, and controls the cooking apparatus and enter the heating period, and detects institute
State the culinary art cavity temperature Tt and cooking cavity bottom temp T;
S4, when detecting vapor (steam) temperature Tt=T1 in the cooking cavity, the cooking apparatus is controlled into the boiling rank
Section;
S5, when detecting the cooking cavity bottom temp T=T2, control the cooking apparatus enter described in cook rice over a slow fire the stage,
Wherein T2 > T1;
After S6, the stage of cooking rice over a slow fire continue third time t3, control vacuumizes the cooking cavity, until vacuumizing
Time when reaching the 4th time t4, stopping vacuumizes the cooking cavity.
Specifically, the calculation formula I of the first time t1 are as follows: tn=0.7ln (P0/Pt) (V0-V1)/S~
1.5·ln(P0/Pt)·(V0-V1)/S;Wherein, P0: the initial pressure in the cooking cavity;Pt: it vacuumizes in rear cooking cavity
Pressure;V0: cooking cavity volume;V1: rice water total volume;S: the speed of exhaust.
Optionally, the calculation formula I of at least one of described first time t1 and the 4th time t4 are as follows: tn=0.7
Ln (P0/Pt) (V0-V1)/S~1.5ln (P0/Pt) (V0-V1)/S;Wherein, P0: the initial pressure in the cooking cavity
Power;Pt: cavity pressure is cooked after vacuumizing;V0: cooking cavity volume;V1: rice water total volume;S: the speed of exhaust.
Optionally, the first time t1 and the 4th time t4 are obtained by the calculation formula I;Alternatively, described first
Time t1 is obtained by the calculation formula I and the 4th time t4 is predetermined time value.
Optionally, the vacuuming action is realized by vacuum plant, and the vacuum plant is located at the cooking apparatus
In pot body or lid, vacuum plant takes most of air of cooking cavity away, forms negative pressure state, high using the heating period
After temperature boils, most of bacterium is killed, to ensure that the safety of food in cooking apparatus.
Optionally, the cooking apparatus further includes the solenoid valve for controlling the vacuum evacuation device on-off.
According to one embodiment of present invention, the gas process that is passed through in the step S3 is realized by supercharging device, institute
Supercharging device is stated to be located on the lid of the cooking apparatus.
Specifically, the supercharging device includes pressure valve and the electromagnet assembly for controlling the pressure valve opening and closing.
According to one embodiment of present invention, the cooking cavity is limited by the interior pot and lid of the cooking apparatus, institute
Stating cooking apparatus further includes the displacement sensor and spring being located at below the interior pot, and wherein in step S1, the meter Shui Liang is logical
It crosses calculation formula II to be calculated: G1=KL-G2;Wherein, G1 is rice water weight, and G2 is interior pot weight, and K is the spring
Coefficient of elasticity, the decrement for the spring that L detects for institute's displacement sensors.
The cooking apparatus of embodiment according to the second aspect of the invention, including implementation according to the first aspect of the invention
The control method of cooking apparatus described in example.By using above-mentioned control method, when ensure that different meter Shui Liang in cooking cavity
Vacuum degree is almost the same, and performance is stablized, and the experience of user is well.
The cooking apparatus of embodiment according to the third aspect of the invention we, comprising: pot body, the pot body include interior pot and outer
Pot, cooking cavity is limited in the interior pot;Lid, the lid are movably located in the pot body;For by the culinary art
Chamber forms the vacuum plant of negative pressure, and the vacuum plant is located in the pot body or the lid, according in the cooking cavity
Current meter Shui Liang the cooking cavity is vacuumized;Supercharging device, the supercharging device are located in the lid with to institute
It states and is passed through gas in cooking cavity, the supercharging device is not opened simultaneously with the vacuum plant.
Cooking apparatus according to an embodiment of the present invention can obtain vacuum plant pair according to the current meter Shui Liang in cooking cavity
Then the pumpdown time answered controls vacuum plant with the corresponding pumpdown time and takes gas away out of cooking cavity, passes through pressurization
Device can be pressurized cooking cavity, to realize voltage control, so that product has compared with stable performance, promote cooking apparatus
Culinary art effect.
According to one embodiment of present invention, the cooking apparatus further include: measuring device, the measuring device are located at institute
It states in pot body to measure meter Shui Liang in the interior pot.
According to one embodiment of present invention, the measuring device is located between the interior pot and the outer pot and is located at institute
The bottom of interior pot is stated, the measuring device includes displacement sensor and spring, and the spring stops the bottom surface for supporting the interior pot, described
Displacement sensor detects the stroke of the spring;Alternatively, the measuring device includes detecting the sensor of rice water height, it is described
Meter Shui Liang is calculated by the rice water height, the cross-sectional area of the interior pot and rice water proportional quantities;Alternatively, the survey
Amount device includes the gravity sensor for detecting rice water weight.
Optionally, the meter Shui Liang is obtained by the input unit of the cooking apparatus.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "vertical", "horizontal", "top", "bottom"
"inner", "outside", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In addition, defining the feature of " first ", " second "
It can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " more
It is a " it is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine
Tool connection, is also possible to be electrically connected;It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
Cooking apparatus 100 according to an embodiment of the present invention is described with reference to Fig. 1-Fig. 5 first below.Here cooking apparatus
100 can be electric cooker, electric pressure cooking saucepan or electric cooking pot etc..
As Figure 1-Figure 5, cooking apparatus 100 according to an embodiment of the invention include: pot body 10, it is lid 20, true
Empty device 30 and supercharging device 50.
Pot body 10 includes interior pot 12 and outer pot 13, limits cooking cavity 11 in interior pot 12, lid 20 is mounted in pot body 10
Portion and pot body 10 connect, and lid 20 can be movable between a closed position and a open position.Vacuum plant 30 may be mounted at lid
It in body 20, or is mounted in pot body 10, vacuum plant 30 can be according to the current meter Shui Liang in cooking cavity 11 to cooking cavity 11
It is vacuumized, so that cooking cavity 11 is formed negative pressure.Supercharging device 40 is arranged in lid 20, is used to lead into cooking cavity 11
Enter gas, and supercharging device 40 cannot be opened simultaneously with vacuum plant 30.
Cooking apparatus 100 according to an embodiment of the present invention as a result, can be obtained according to the current meter Shui Liang in cooking cavity 11
In the corresponding pumpdown time of vacuum plant 30, then vacuum plant 30 takes gas away out of cooking cavity 11 with the corresponding pumpdown time
Body can be pressurized cooking cavity 11 by supercharging device 40, so that voltage control is realized, so that product has more stable property
Can, promote the culinary art effect of cooking apparatus 100.
As shown in Figure 1, according to an embodiment of the present invention, lid 20 has bleeding point 21 and gas vent 22.Cooking cavity 11
It is limited by the interior pot 12 and lid 20 of cooking apparatus 100.
As shown in Figures 2 and 3, optional embodiment, vacuum plant 30 include vacuum pump 31 and connecting tube according to the present invention
33, vacuum pump 31 is located in lid 20.Certainly, vacuum pump 31 also can be set in pot body 10.One end of vacuum pump 31 passes through
Connecting tube 33 is connected to bleeding point 21, and the other end of vacuum pump 31 is connected to by connecting tube 33 with exhaust outlet 22.Vacuum pump 31 from
Bleeding point 21 extracts the gas in cooking cavity 11, and is discharged outside cooking cavity 11 by exhaust outlet 22, to make cooking apparatus 100
Negative pressure is formed in cooking cavity 11.
In some instances, cooking apparatus 100 further includes solenoid valve 32, and solenoid valve 32 is connected to bleeding point 21 and vacuum pump
Between 31, for controlling the on-off of vacuum pump 31 Yu bleeding point 21, to control the work of vacuum plant 30.Solenoid valve 32 can be with
When control the on-off of vacuum pump 31 and bleeding point 21, while solenoid valve 32 obstructed 33 air pressure inside of connecting tube and vacuum pump 31 into
The air pressure of mouth causes pressure to be transferred directly to vacuum pump 31 so as to be effectively prevented due to pressure fluctuations in connecting tube 33
Import the phenomenon that, thus well protect vacuum pump 31, extend vacuum pump 31 service life.
As shown in Figure 3 and Figure 4, optional embodiment according to the present invention, supercharging device 40 is by pressure valve 41 and control pressure
The electromagnet assembly 42 that valve 41 is opened and closed forms.
In some instances, lid 20 has air inlet (not shown), and pressure valve 41 includes closeouts 411, closeouts 411
It is movably located between block-up position and open position at the air inlet of lid 20.When closeouts 411 are located at block-up position
Air inlet is closed when place, opens air inlet when closeouts 411 are located at open position.
Optionally, closeouts 411 are formed as spherical, and simple production process, production cost is low, are conducive to realize with air inlet close
Envelope, to promote sealing effect when closeouts 411 block air inlet.
In some instances, pressure valve 41 further includes support base 412.Support base 412 is located on lid 20, and support base
412 are equipped with the air passing hole that support base 412 is axially penetrated through along air inlet, and one end of support base 412 is plugged in air inlet, and prop up
The inner peripheral of the outer peripheral edge and air inlet of supportting seat 412, which seals, to be cooperated.When closeouts 411 are located at block-up position, closeouts 411 and branch
The inner peripheral of support 412 other end of seat, which only abuts, touches and seals cooperation, can be effective by the way that support base 412 is arranged at air inlet
Closeouts 411 are promoted to the sealing effect of air inlet.
Optionally, support base 412 includes: annular element 4121 and supporting table 4122, and annular element 4121 is arranged around air inlet,
And the middle part of annular element 4121 is formed with the air passing hole that annular element 4121 is axially penetrated through along annular element 4121.Annular element 4121 it is upper
Surface has the recess portion of downward indent, and supporting table 4122 is mounted in the recess portion of annular element 4121 and the periphery with annular element 4121
Edge is connected.Supporting table 4122 can form the annular of the circumferentially extending of the outer peripheral edge along annular element 4121.
Further embodiment according to the present invention, electromagnet assembly 42 are located on lid 20 and connect closeouts 411, thus
It drives closeouts 411 movable between block-up position and open position, controls 411 activity of closeouts using electromagnet assembly 42,
The degree of automation of cooking apparatus 100 can not only be promoted, moreover it is possible to prevent manual operation closeouts 411 from scalding user, be conducive to
Promote the operating experience of user.
In certain embodiments, electromagnet assembly 42 includes electromagnet 421 and push rod 422.Electromagnet 421 is located at lid
On body 20, push rod 422 is movably located on electromagnet 421 in the horizontal direction, and one end of push rod 422 can drive closeouts
411 activities.
As shown in Figure 3 and Figure 5, according to one embodiment of present invention, cooking apparatus 100 further include: measuring device 40 is surveyed
Amount device 40 is located in pot body 10 to measure meter Shui Liang in interior pot 12.
In some optional examples, measuring device 50 is located between interior pot 12 and outer pot 13, and is located at the bottom of interior pot 12,
Measuring device 50 includes displacement sensor 51 and spring 52, and spring 52 and the bottom surface of interior pot 12 are mutually only supported, displacement sensor 51
It can be used to the stroke of detection spring 52, to calculate meter Shui Liang according to calculation formula II.
In other optional examples, measuring device 50 may include detecting the sensor (not shown) of rice water height, from
And it carries out calculating available rice water value, and then basis by rice water height, the cross-sectional area of interior pot and rice water proportional quantities
The first time t1 vacuumized in the preparation stage is calculated in meter Shui Liang.
In other optional example, measuring device 50 may include the gravity sensor for detecting rice water weight.Weight
Force snesor is located in pot body 10 to measure the weight of the meter Shui Liang in cooking cavity 11, and then is calculated according to meter Shui Liang in standard
The first time t1 vacuumized in the standby stage.
Another embodiment according to the present invention, meter Shui Liang can be passed through by the input unit (not shown) of cooking apparatus 100
Input obtains.In the preparation stage, a certain amount of meter of water can be put into cooking cavity 11 by user, then pass through cooking apparatus
100 input unit inputs corresponding rice water, and then cooking apparatus 100 calculates corresponding take out very according to the meter Shui Liang of input
The empty time, and control vacuum plant 30 and be evacuated with the corresponding pumpdown time.
In some instances, the bottom of outer pot 13 is equipped with temperature controller, and is bonded with the bottom surface of interior pot 12, to facilitate inspection
The temperature in cooking cavity 11 is surveyed, to control progress of cooking.
The control method of cooking apparatus 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 6.
As shown in figs 1 to 6, the control method of cooking apparatus according to an embodiment of the invention, cooking apparatus are cooked
Program includes at least: preparation stage and water suction stage.Control method the following steps are included:
S1, in the preparation stage, obtain the current meter Shui Liang of the cooking apparatus, and according to the current rice watermeter
Calculation obtains first time t1, and vacuumizes to the cooking cavity of the cooking apparatus, until the time vacuumized reaches institute
When stating first time t1, stopping vacuumizes the cooking cavity, and the cooking apparatus enters the water suction stage;
S2, in the water suction stage, continue the second time t2.
The control method of cooking apparatus according to an embodiment of the present invention calculates meter Shui Liang in the preparation stage, meter Shui Liang is sentenced
It is disconnected to put before vacuum extraction, the time vacuumized is determined by measurement meter Shui Liang, and control by controlling the time vacuumized
Suction guarantees that vacuum degree when different meter Shui Liang in cooking cavity is almost the same, improves the stability that cooking apparatus is cooked.
As shown in fig. 6, further embodiment according to the present invention, program of cooking further include: the heating period, boiling stage and
It cooks rice over a slow fire the stage, after the step S2, the control method is further comprising the steps of:
S3, it is passed through gas in the cooking cavity, and controls the cooking apparatus and enter the heating period, and detects institute
State the vapor (steam) temperature Tt and cooking cavity bottom temp T in cooking cavity;
S4, when detecting vapor (steam) temperature Tt=T1 in the cooking cavity, the cooking apparatus is controlled into the boiling rank
Section;
S5, when detecting the cooking cavity bottom temp T=T2, control the cooking apparatus enter described in cook rice over a slow fire the stage,
Wherein T2 > T1;
After S6, the stage of cooking rice over a slow fire continue third time t3, control vacuumizes the cooking cavity, until vacuumizing
Time when reaching the 4th time t4, stopping vacuumizes the cooking cavity.
Wherein, the calculation formula I of first time t1 are as follows: tn=0.7ln (P0/Pt) (V0-V1)/S~1.5ln
(P0/Pt)·(V0-V1)/S;Wherein, P0: the initial pressure in the cooking cavity;Pt: cavity pressure is cooked after vacuumizing;V0:
Cooking cavity volume;V1: rice water total volume;S: the speed of exhaust.
In some instances, the calculation formula I of at least one of first time t1 and the 4th time t4.That is
One time t1 and the 4th time t4 can be calculated according to calculation formula I.
According to one embodiment of present invention, in step S1 and step S6, vacuuming action is real by vacuum plant 30
Existing, vacuum plant 30 is arranged in the pot body 10 or lid 20 of cooking apparatus 100.
As shown in Fig. 2, vacuum plant 30 includes vacuum pump 31 and connecting tube 33, cooking cavity can be taken away using vacuum pump 31
Gas in 11 makes to form negative pressure in cooking cavity 11.Cooking apparatus 100 further includes the electromagnetism for controlling 30 on-off of vacuum plant
Valve 32.
In step s3, it is passed through gas process and realizes that supercharging device 40 is located at the cooking apparatus by supercharging device 40
On 100 lid 20.As shown in Figure 3 and Figure 4, supercharging device 40 includes pressure valve 41 and the electricity for controlling the opening and closing of pressure valve 41
Magnet assemblies 42.
As shown in Figure 3 and Figure 5, according to one embodiment of present invention, the vapor (steam) temperature Tt in cooking cavity is by temperature sensing
The detection of device 53 obtains.The sound end of temperature sensor 53 protrudes into cooking cavity 11.The temperature T of cooking cavity bottom is detected by temperature controller
It obtains, temperature controller is located at the bottom of outer pot.
In some instances, cooking cavity 11 is limited by the interior pot 12 and lid 20 of cooking apparatus 100.Cooking apparatus 100
It further include the displacement sensor 51 and spring 52 for being located at interior 12 lower section of pot.
Cooking apparatus 100 starts after cooking, by the decrement L of 51 detection spring 52 of displacement sensor, then according to meter
Calculate formula II:G1=KL-G2, the meter Shui Liang G1 being calculated.Wherein, G1 is rice water weight, and G2 is interior 12 weight of pot, and K is
The coefficient of elasticity of spring 52, L are the decrement for the spring that displacement sensor detects.Then according to calculation formula I: tn=
0.7ln (P0/Pt) (V0-V1)/S~1.5ln (P0/Pt) (V0-V1)/S, is calculated pumpdown time t1.This
When electromagnet assembly 42 control pressure valve 41 close, while solenoid valve 32 open, vacuum pump 31 work, when vacuum pump 31 is with first
Between t1 cooking cavity 11 is vacuumized, make cooking cavity 11 formed negative pressure.
After pumpdown time reaches first time t1, cooking apparatus 100 enters the water suction stage, and control solenoid valve 32 is closed,
Vacuum pump 31 stops working, and pressure valve 41 remains off, i.e., in this stage, cooking cavity 11 keeps negative pressure state.
After water suction phase duration reaches the second time t2, cooking apparatus 100 enters the heating period, passes through supercharging device
40 realization gases are passed through.Specifically, electromagnet assembly 42 controls pressure valve 41 and opens, and vacuum plant 30 does not work, cooking cavity
Pressure in 11 is gradually increased.
Meanwhile temperature sensor 53 detects vapor (steam) temperature Tt in cooking cavity 11.When temperature sensor 53 detects cooking cavity
When 11 steam inside temperature reach T1, cooking apparatus 100 enters boiling stage, at this point, electromagnet assembly 42 controls pressure valve 41
It is kept open, vacuum pump 31 keeps off position simultaneously.
When temperature controller detects that 11 bottom of cooking cavity (pot bottom in i.e.) temperature reaches T2 (T2 > T1), cooking apparatus
100, into cooking rice over a slow fire the stage, are kept open, vacuum pump 31 is protected simultaneously at this point, electromagnet assembly 42 continues control pressure valve 41
Hold off position.
After lasting third time t3 in the stage of cooking rice over a slow fire, electromagnet assembly 42 controls pressure valve 41 and closes.Solenoid valve 32 is opened,
Vacuum pump 31 is started to work, and is vacuumized to cooking cavity 11 with the 4th time t4.Pumpdown time reaches the 4th time t4, cooks
Utensil 100 of preparing food stopping vacuumizes.
The calculation in theoretical pumpdown time is t=ln (P0/P1) (V0-V1)/S, wherein P0: in cooking cavity 11
Initial pressure;Pt: pressure in rear cooking cavity 11 is vacuumized;V0: 11 volume of cooking cavity;V1: rice water total volume;S: vacuum pump 31 is taken out
Gas velocity rate.
In situation known to P0, V0 and S, the time t vacuumized is set, so that it may reach scheduled pressure Pt.In view of cooking
There is loss in chamber 11 of preparing food, the practical pumpdown time is arranged at 0.7ln (P0/Pt) in equal volume and in vacuum
(V0-V1) within the scope of/S~1.5ln (P0/Pt) (V0-V1)/S.
In some optional examples, the above-mentioned first time t1 vacuumized and the 4th time t4 can be public by calculating respectively
Formulas I obtains.
In other optional examples, the first time t1 that vacuumizes in the preparation stage is obtained by calculation formula I, and is boiled in a covered pot over a slow fire
The 4th time t4 that vacuumizes in the meal stage is predetermined time value, when the value of predetermined time value can be using corresponding to table 1
Between range.
1 pumpdown time of table
According to another embodiment of the invention, after above-mentioned steps S6, the control method of cooking apparatus further include:
While stopping vacuumizes, control enters holding stage.
Specifically, after the pumpdown time reaches the 4th time t4, cooking apparatus 100 enters holding stage.In the process,
Electromagnet assembly 42 controls pressure valve 41 and closes, and solenoid valve 32 is closed, and vacuum pump 31 stops working, so that cooking cavity 11 be made to keep
Negative pressure state reduces scattering and disappearing for heat, realizes heat insulation effect, take meal until user uncaps.
The cooking apparatus 100 of embodiment is using cooking apparatus 100 described in above-described embodiment according to a second aspect of the present invention
Control method.Since above-mentioned control method has above-mentioned technique effect, cooking apparatus according to an embodiment of the present invention
100, before the measurement of meter Shui Liang has been placed on vacuumizing phase, the time vacuumized is calculated by the meter Shui Liang measured, passes through control
The time that system vacuumizes controls suction, guarantees that vacuum degree when different meter Shui Liang in cooking cavity 11 is almost the same, cooks
The performance of utensil 100 is stablized, and the experience of user is well.
Cooking apparatus 100 according to an embodiment of the present invention etc. and operation are all for those of ordinary skills
It is known, it is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.