Summary of the invention
The control method that the purpose of this invention is to provide a kind of electric pressure, this control method is simple and to allow easy and quick acquisition be prepared product raw material, that have the quality of the baby that is suitable for each age and underage child with rice.
Above-mentioned this purpose is that the control method by a kind of electric pressure realizes that electric pressure comprises shell, and shell is closed by lid, and shell is equipped with heating arrangements, controlled dropping valve and temperature sensor, the method is characterized in that this method comprises:
Pressure boiling step, therebetween, dropping valve is maintained at the closed position, and therebetween, and heating arrangements is controlled in the temperature that between the pressure boiling duration of determining between 5 minutes and 15 minutes container is remained between 105 ℃ and 120 ℃;
Depressurization step, it begins after the pressure boiling duration of determining finishes, and therebetween, dropping valve is activated;
Environmental pressure boiling step, it begins after depressurization step finishes, and therebetween, dropping valve is maintained at the enable possition, and therebetween, heating arrangements is controlled for container being maintained at about 100 ℃ temperature at the duration of determining between 10 minutes and 50 minutes.
According to other enforcement modified example:
The duration of-pressure boiling step especially equaled 10 minutes between 8 minutes and 12 minutes.
-in depressurization step, it roughly is zero that dropping valve is opened up to the pressure differential between shell inside and outside intermittently.
-in depressurization step, dropping valve is between between 1 minute and 7 minutes, preferably the duration between 2 minutes and 5 minutes is opened intermittently.
-in depressurization step, dropping valve is being opened unlatching between 8 seconds every unlatching in 11 seconds 3 seconds with every 10 seconds.
The element that is used for the heating lid of-heating arrangements is activated when the boiling step finishes.
The element of-heating arrangements is during 1 minute to 6 minutes, preferably be activated during 5 minutes at 2 minutes.
During-the temperature ascent stage when pressure boiling step, increase temperature by stages, especially from the temperature between 100 ℃ and 105 ℃.
The invention still further relates to a kind of control device of electric pressure, this control device is suitable for implementing the method according to this invention specially, and the invention still further relates to a kind of electric pressure, and electric pressure comprises this control device.
The specific embodiment
Referring now to Fig. 1 an embodiment of the electric pressure that can implement the method according to this invention is described.
This embodiment according to electric pressure 1 of the present invention comprisesmain body 10 or shell, andmain body 10 or shell comprise cavity volume, inserts thecontainer 11 that is used for boiling rice in cavity volume.Shell is equipped with and covers 12, andlid 12 is hingedly mounted on theshell 10 by this way, that is, the top of main body is opened or closed by lid 12.Housing 10 also is equipped withcontrol device 13, andcontrol device 13 is guaranteed the control operation of electric cooker 1.
Electric cooker 1 also comprisesfirst sensor 15, andfirst sensor 15 is for detection of the temperature in the container, especially the temperature of the bottom of container 11.First sensor 15 for example is installed near the bottom of container.Be installed in for detection ofsecond sensor 16 of the temperature oflid 12 inner face and cover.First sensor is connected withcontrol device 13 with second sensor.
The heating arrangements of electric cooker 1 comprises: mainheating element heater 17, and it provides heating source and operates in order to causecontainer 11 interior boiling operation and the insulations of electric cooker;Element 18, the top edge of itsheating container 11; Andelement 19,12 inner face is covered in its heating.
Electric pressure 1 also comprises droppingvalve 20, motor-driven valve for example, and droppingvalve 20 is bycontrol device 13controls.Dropping valve 20 is installed in self known mode and covers on 12.
In self known mode, electric cooker 1 can comprisesafety valve 21, andsafety valve 21 protection electric cookers are avoided the very big rising inshell 10 pressure inside.
Shell 10 and lid for example are that plastics are made.
Control device 13 is installed on themain body 10 for example on the inboard of mainbody.Control device 13 also is connected withcontrol button 22, andcontrol button 22 allows the user that electric cooker is programmed.
In addition,control device 13 is connected withheating arrangements 17,18,19, the situationactivation heating arrangements 17,18 that is used for limiting according to the cooking procedure of being selected by the user, 19 ordeexcitation heating arrangements 17,18,19.Some situation in these situations comprises the temperature survey of being undertaken by the side in thesensor 15,16 and/or the opposing party.
Implement modified example according to one, mainheating element heater 17 is induction types, and theelement 18 of the top edge ofheating container 11 and heating to cover 12element 19 be resistive type.
In order to prepare rice for baby and underage child, make the rice time (3 parts about 1 hour) that boiling is grown very much in 100 ℃ water in the handle pan is arranged usually.Heat with high power, reduce heating power then.Electric cooker according to the present invention comprise be specifically designed to easy and fast mode realize in these cases rice boiling mode of operation.
In allowing to be suitable for 12 months children's first mode of operation of boiling, the boiling in the electric cooker continues about 32 minutes, and having in the handle pan on tablet continues 40 minutes.
In allowing to be suitable for 10-12 month children's second mode of operation of boiling, the boiling in the electric cooker continues about 51 minutes, and having in the handle pan on tablet continues 50 minutes.
In allowing to be suitable for 7-9 month children's the 3rd mode of operation of boiling, the boiling in the electric cooker continues about 1 hour 5 minutes, and having in the handle pan on tablet continues 1hour 20 minutes.
In allowing to be suitable for 4-6 month children's the 4th mode of operation of boiling, the boiling in the electric cooker continues about 19 minutes, and having in the handle pan on tablet continues 10 minutes.
First three mode of operation allows to make grain to break and starch release is arrived in the boiling water, because the baby is not " chewing grain " needed tooth.
For this reason, carry out first pressure and raise the stage in order to accelerate boiling (water infiltration and grain break), the fact of the power that limits in electric cooker of about 1200W is damnous because for example have, and temperature raises because this power slows down.Needed about 10 minutes to reach 100 ℃.In order to compensate this effect, during 10 minutes, raise the temperature to 114 ℃.This stage will allow starch cook.Then, boiling allows the starch of rice to be moved in the boiling water to stage of about 100 ℃ temperature, up to the shape of grain no longer as seen.
During temperature and (pressure) rising stage, there is the very big danger of overflowing, because under the effect of boiling and pressure, rice spumes.Therefore, it is important increasing temperature by stages from 100 ℃-105 ℃ internal temperature.Surpass 105 ℃, spume and the danger of overflowing very high.
Between pressure boiling and 100 ℃ of boilings, has buck stage.During this buck stage, the danger of overflowing is also very big, because also leave water (prepared product in the electric cooker is very rare) in pot.Therefore should make step-down adapt to amount of fluid.For example, for the second and the 3rd mode of operation, motor-driven valve was opened for 3 seconds every 11 seconds, and for first mode of operation, motor-driven valve was opened for 8 seconds every 10 seconds.
100 ℃ of boiling stages also carry out with the power that reduces, so that restriction is overflowed.
Under the situation of the 4th mode of operation, the denseness of prepared product is near the denseness of soup.Therefore a lot of water are arranged.Near 100 ℃, preferably be lower than 100 ℃ and carry out boiling, overflow avoiding.And rice is stirred before boiling, and therefore very easy boiling is ripe.Assigned temperature is 98 ℃.
When boiling finishes, have the idle stage (the only heating element heater work of lid therebetween), the steam regelation is covering when opening to be limited in.
The curve map of the temperature and pressure time to time change when Fig. 2 is illustrated in enforcement according to first embodiment of control method of the present invention.This first embodiment can be corresponding to first mode of operation according to electric cooker of the present invention.It is a kind of with the dish of rice as raw material that this first embodiment is suitable for using electric cooker to prepare, and it comprises the rice of 120g, the vegetables of 60g, the meat of 60g or the water of fish and 540g.
In the first pressure boiling steps A, makedropping valve 20 in the closed position.In addition,heating arrangements 17,18, a part of 19 or preferably all heating arrangements be activated, in order to be increased incontainer 11 temperature inside, up to the assigned temperature that obtains between 110 ℃ and 120 ℃.
Make temperature remain on this level about 10 minutes then.In other words,heating arrangements 17,18,19 be positioned at container bottom at the first temperature sensor 15() or the second temperature sensor 16(be positioned at lid) the regulating loop of signal be implemented.Before this holding stage, temperature raises also lasting about 10 minutes stage self.Preferably, during the temperature rising stage, especially increase temperature by stages from the temperature between 100 ℃ and 105 ℃, in order to avoid the danger that spumes and overflow.
After pressure boiling step finishes, start the second depressurization step B automatically.Depressurization step is to make the pressure in the shell to reduce.As a result, temperature reduces.This step continues preferred about 2 minutes.In this step process, dropping valve preferably is activated intermittently.Therefore depressurization step carries out by spells.For example, dropping valve is opened about 8 seconds every 10 seconds approximately.After this depressurization step finished, pressure was substantially equal to environmental pressure at least, and temperature is substantially equal to 100 ℃.Preferably, at least one heating element heater maintenance work during this depressurization step.
After depressurization step finishes, start the 3rd environmental pressure boiling step C automatically.Dropping valve 20 is maintained at the enable possition.In addition, the whole or part of heating arrangements is activated, in order tocontainer 11 temperature inside are maintained at about 100 ℃ assigned temperature.Temperature was maintained at this level about 10 minutes to 12 minutes.In other words, need not regulating loop for keeping the boiling desired power to be implemented.Preferably, during last two minutes of environmental pressure boiling step, only Gai heating element heater is activated, with any regelation of avoiding covering before shell is opened.
Following can be corresponding to second mode of operation according to electric cooker of the present invention with reference to described second embodiment of Fig. 3.It is a kind of with the dish of rice as raw material that this second embodiment is suitable for using electric cooker to prepare, and it comprises the rice of 120g, the vegetables of 60g, the meat of 45g or the water of fish and 600g.
Second embodiment and first embodiment different are following feature:
-after pressure boiling step finished, the second depressurization step B continued preferred about 5 minutes.In this step process, dropping valve preferably is activated intermittently.Therefore depressurization step carries out by spells.For example, dropping valve is opened about 3 seconds every 11 seconds approximately.
-after depressurization step B finishes, start the 3rd environmental pressure boiling step C automatically.Dropping valve 20 is maintained at the enable possition.In addition, the whole or part of heating arrangements is activated, in order tocontainer 11 temperature inside are maintained at about 100 ℃ assigned temperature.Temperature was maintained at this level about 25 minutes to 30 minutes.
Following can be corresponding to the 3rd mode of operation according to electric cooker of the present invention with reference to described the 3rd embodiment of Fig. 5.It is a kind of with the dish of rice as raw material that the 3rd embodiment is suitable for using electric cooker to prepare, and it comprises the rice of 75g, the vegetables of 60g, the meat of 60g or the water of fish and 500g.
The 3rd embodiment and second embodiment different are following feature:
-in the first pressure boiling step, makedropping valve 20 in the closed position.In addition,heating arrangements 17,18, a part of 19 or preferably all heating arrangements be activated, in order to be increased incontainer 11 temperature inside, up to the assigned temperature that obtains between 110 ℃ and 120 ℃.Make temperature remain on this level about 5 minutes then.
-after depressurization step finished, the 3rd environmental pressure boiling step C continued about 45 minutes to 50 minutes.Preferably, during last 5 minutes of environmental pressure boiling step, only Gai heating element heater is activated, with any regelation of avoiding covering before shell is opened.
Following can be corresponding to the 4th mode of operation according to electric cooker of the present invention with reference to described the 4th embodiment of Fig. 4.It is a kind of with the dish of rice as raw material that the 4th embodiment is suitable for using electric cooker to prepare, and it comprises the rice of 30g, the vegetables of 60g and/or the water of fruit and 300g.In this four-mode, Mi Zaiqi is ground before importing in the electric cooker.
In first heating steps, heating container.Make droppingvalve 20 be in the enable possition.In order to heat,heating arrangements 17,18, a part of 19 or preferably all heating arrangements be activated, in order to be increased incontainer 11 temperature inside, up to just obtaining less than 100 ℃, 98 ℃ assigned temperature for example.
In second environment pressure boiling step, temperature was remained on assigned temperature about 6 minutes to 7 minutes.In this step, dropping valve preferably is held to open.
Also preferably, during last two minutes of second environment pressure boiling step, only Gai heating element heater is activated, with any regelation of avoiding covering before shell is opened.
The invention still further relates to a kind ofcontrol device 13 that is suitable for realizing the method according to this invention specially.Control device according to the present invention is connected with heating arrangements, sensor and dropping valve, and comprises memory, and memory is used for the different order of the storage program corresponding with the execution of the method according to this invention.
In addition, the present invention relates to a kind of electric cooker that is equipped with this control device.
The invention still further relates to a kind of data carrier that can be read by computer, record computer program at this carrier, this computer program comprises the coding method for the computer program of the step of implementing control method of the present invention.
The present invention relates to a kind of computer program at last, and this computer program comprises the computer program code method of the step that is suitable for realizing control method of the present invention.