CN105078267A - Heating control method for rice cooker - Google Patents

Heating control method for rice cooker Download PDF

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Publication number
CN105078267A
CN105078267A CN201510582825.3A CN201510582825A CN105078267A CN 105078267 A CN105078267 A CN 105078267A CN 201510582825 A CN201510582825 A CN 201510582825A CN 105078267 A CN105078267 A CN 105078267A
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heater element
temperature
heating
interior pot
cooker
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CN201510582825.3A
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CN105078267B (en
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张瑜
樊杜平
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Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
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Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
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Abstract

The invention discloses a heating control method for a rice cooker. The rice cooker comprises a main body, an electric heating tray, an inner pot and a cover body, wherein the electric heating tray comprises a first heating element arranged at the bottom of the electric heating tray and a second heating element on the side of the electric heating tray. The method comprises the following steps: a) enabling the first heating element and the second heating element to work simultaneously; b) making the first heating element and the second heating element sense temperatures of the bottom and the top of the inner pot when working; and c) when the temperature of the top of the inner pot is more than or equal to a first preset temperature, enabling either the first heating element or the second heating element to work, so as to keep temperature of the bottom of the inner pot within a first temperature range. The method can be used for respectively controlling the first heating element and the second heating element of the electric heating tray to work, which not only can reduce a temperature difference of the bottom and the side of the inner pot but also can avoid relatively high increase in the temperature of the first heating element of the electric heating tray, so as to reduce potential risk.

Description

For the method for heating and controlling of cooker
Technical field
The present invention relates to cooker technical field, particularly relate to the method for heating and controlling for cooker.
Background technology
The interior pot bottom of traditional cooker (such as electric cooker, electric pressure cooking saucepan etc.) is provided with heat-generating pipe.During use, use the heat-generating pipe heat food of pot bottom in Control.Specifically, for the different heating stage of different food or same food, adopt the mean power of the mode regulation heating dish changing heating duty ratio.
But because traditional cooker is only provided with heat-generating pipe at interior pot bottom, therefore, the temperature difference of interior pot bottom and sidepiece is comparatively large, heats uneven, affects the mouthfeel of food.And because the temperature difference of interior pot bottom and sidepiece is comparatively large, so need bottom heat-generating pipe continuous heating, cause bottom temperature rise comparatively large like this, there is larger potential safety hazard.In order to solve above-mentioned potential safety hazard, existing electric cooker needs to change exotic material usually, or increases heat shield.This can increase the cost of manufacture of cooker.
Therefore, be necessary to propose a kind of method for heating and controlling for cooker, to solve problems of the prior art.
Summary of the invention
In order to solve the problem, the invention provides a kind of method for heating and controlling for cooker.Described cooker comprises body, is installed on described intrinsic electric hot tray, sit and to be located on described electric hot tray and by described electric hot tray for it provides pot and the lid for covering described body in heat energy, wherein said electric hot tray comprises the second heater element being arranged on the first heater element bottom described electric hot tray and being arranged on described electric hot tray sidepiece, and described cooker also comprises and is respectively used to the described bottom of interior pot of sensing and the temperature sensor of head temperature.Described method comprises: a) make described first heater element and described second heater element work simultaneously; B) temperature at described interior pot bottom and top is sensed while making described first heater element and described second heater element work; And c) when the temperature at described interior pot top is more than or equal to the first predetermined temperature, make a job in described first heater element and described second heater element, the temperature of described interior pot bottom to be maintained in the first temperature range.
According to the method for heating and controlling for cooker of the present invention, the first heater element and the second heater element work of electric hot tray can be controlled respectively, make in the stage of cooking of cooker, make the first heater element of electric hot tray and the second heater element work simultaneously, and in the stage of cooking rice over a slow fire of cooker, make the only work in the first heater element of electric hot tray and the second heater element, therefore the temperature contrast of interior pot bottom and sidepiece can not only be reduced, make interior pot homogeneous heating, the mouthfeel of the food in improving in pot, and the first heater element temperature rise of electric hot tray can not be caused larger, reduce potential safety hazard.
Preferably, described cooker comprises the 3rd heater element be arranged in described lid, described step c) comprise when the temperature at described interior pot top is more than or equal to described first predetermined temperature, make described 3rd heater element work.With this method for heating and controlling, cooking rice over a slow fire the stage at cooker, can heat up and down by the food internally in pot, makes food have better mouthfeel.
Preferably, described step c) continue 10-20 minute.With this method for heating and controlling, the mouthfeel of food is better.
Preferably, described first temperature range is 110 DEG C-112 DEG C, and/or described first predetermined temperature is within 89 DEG C of-93 DEG C of scopes.With this method for heating and controlling, food has good mouthfeel.
Preferably, described step a) comprising: d) make described first heater element and described second heater element work simultaneously, raises to make the constant temperature of described interior pot bottom; E) when the temperature of described interior pot bottom is more than or equal to the second predetermined temperature, judge whether the time of described first heater element and described second heater element work was more than or equal to for first scheduled time; F) when the time of described first heater element and described second heater element work is less than described first scheduled time, described first heater element and described second heater element are worked simultaneously, and the temperature of described interior pot bottom is maintained in the second temperature range; When the time of described first heater element and described second heater element work is more than or equal to described first scheduled time, judge whether the temperature at described interior pot top is more than or equal to the 3rd predetermined temperature; And g) when the temperature at described interior pot top is less than described 3rd predetermined temperature, described first heater element and described second heater element are worked simultaneously, raise to make the constant temperature at described interior pot top; When the temperature at described interior pot top is more than or equal to described 3rd predetermined temperature, described first heater element and described second heater element is made to compare work with the first heating duty, to make the constant temperature at described interior pot top raise until reach described first predetermined temperature, wherein said first heating duty is than being drawn by following formulae discovery:
Wherein, T is total running time of described first heater element and described second heater element, n be more than or equal to 0 integer, symbol represent and round downwards, T 1for setting the reference period of described first heating duty ratio.
With this method for heating and controlling, by controlling the working method of the first heating element heater and the second heating element heater respectively in the different stages, food can be made to have good mouthfeel.
Preferably, described first heating duty is than within 5/30-14/30 scope.When first heating duty ratio is within the scope of this, both food will be caused to boil paste because heating is too fast, and can ensure that again food had good mouthfeel.
Preferably, described first scheduled time is within 8 minutes-20 minutes scopes, and/or described second temperature range is 68 DEG C-70 DEG C, and/or described second predetermined temperature is within 60 DEG C of-64 DEG C of scopes, and/or described 3rd predetermined temperature is within 69 DEG C of-73 DEG C of scopes.With this method for heating and controlling, the food in interior pot has good mouthfeel.
Preferably, described steps d) comprising: h) make described first heater element and described second heater element work than simultaneously with the second heating duty; And i) when the temperature in described interior pot is more than or equal to the 4th predetermined temperature, described first heater element and described second heater element being worked than simultaneously with the 3rd heating duty, described 3rd heating duty ratio is greater than described second heating duty ratio.With this method for heating and controlling, the thermal loss that the heating initial stage is larger can be avoided.
Preferably, described 4th predetermined temperature is within 53 DEG C of-57 DEG C of scopes.With this method for heating and controlling, when being more than or equal in this temperature range when the temperature in interior pot, just using larger heating duty than heating, the thermal loss that the heating initial stage is larger can be avoided.
In summary of the invention, introduce the concept of a series of reduced form, this will further describe in detailed description of the invention part.Content part of the present invention does not also mean that the key feature and essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain attempting to determine technical scheme required for protection.
Below in conjunction with accompanying drawing, describe advantages and features of the invention in detail.
Accompanying drawing explanation
Following accompanying drawing of the present invention in this as a part of the present invention for understanding the present invention.Shown in the drawings of embodiments of the present invention and description thereof, be used for explaining principle of the present invention.In the accompanying drawings,
Fig. 1 is the schematic diagram of the electric hot tray according to a preferred embodiment of the present invention;
Fig. 2 is the circuit theory diagrams of the cooker according to a preferred embodiment of the present invention; And
Fig. 3 is the flow chart of the method for heating and controlling for cooker according to a preferred embodiment of the present invention.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.But, it will be apparent to one skilled in the art that the present invention can be implemented without the need to these details one or more.In other example, in order to avoid obscuring with the present invention, technical characteristics more well known in the art are not described.
In order to thoroughly understand the present invention, by following description, detailed structure is proposed.Obviously, embodiments of the invention are not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present invention is described in detail as follows, but except these are described in detail, the present invention can also have other embodiments.
The invention provides a kind of method for heating and controlling for cooker.For convenience of description according to the method for heating and controlling for cooker of the present invention, first composition graphs 1 describes cooker in detail.Be appreciated that cooker can be electric cooker, electric pressure cooking saucepan or other electrical heated appliance.In addition, cooker, except the function with cooking rice, can also have other functions such as cooking congee.
Mainly comprise body (or external shell) according to the cooker of a preferred embodiment of the present invention, be installed on intrinsic electric hot tray 100 (Fig. 1), sit and to be located on electric hot tray 100 and by electric hot tray for it provides pot and the lid for covering body in heat energy.Except the electric hot tray 100 of cooker, the parts such as the body of cooker, interior pot, lid are roughly the same with traditional cooker, therefore for simplicity, are not described in detail and illustrate the parts such as the body of cooker, interior pot, lid herein.Only the electric hot tray 100 of cooker is described in detail herein.
As shown in fig. 1, electric hot tray 100 comprises the first heater element 110 of the bottom being arranged on electric hot tray 100 and is arranged on second heater element 120 of sidepiece of electric hot tray 100.Particularly, in the present embodiment, electric hot tray 100 sidewall 140 that comprises diapire 130 and upwards extend from the edge of diapire 130.The shape of the junction of diapire 130 and sidewall 140 and to be placed on electric hot tray 100 in the mating shapes of pot, interior pot is placed on electric hot tray 100 and heat transfer efficiency in improving between pot and electric hot tray 100 to facilitate.First heater element 110 is arranged on diapire 130 place of electric hot tray 100, and the second heater element 120 is arranged on sidewall 140 place of electric hot tray 100.First heater element 110 and the second heater element 120 all can be set to the heat-generating pipe of annular.At cooker duration of work, the first heater element 110 can heat being placed on the bottom of pot on electric hot tray 100, and the second heater element 120 can heat being placed on the sidepiece of pot on electric hot tray 100.Therefore, it is possible to reduce the interior bottom of pot and the temperature contrast of sidepiece, make the food homogeneous heating in interior pot, improve the mouthfeel of food.
In addition, preferably, cooker can also comprise the 3rd heater element 150 (Fig. 2) be arranged in lid.3rd heater element 150 may be used for cooking rice over a slow fire and/or working in insulating process at cooker.This will introduce later in detail.
In addition, in order to the temperature in interior pot can be sensed, as shown in Figure 2, cooker also comprises the bottom temp sensor 160 that is respectively used to the bottom temp sensing interior pot and the head temperature sensor 170 for the head temperature that senses interior pot.Bottom temp sensor 160 and head temperature sensor 170 can be thermistor.Bottom temp sensor 160 and head temperature sensor 170 are all connected to the power panel of cooker, and are connected to microcomputer control panel further by power panel, so that the temperature data sensed is fed back to microcomputer control panel.The temperature data that microcomputer control panel senses based on bottom temp sensor 160 and head temperature sensor 170 controls the work of the 3rd heater element 150 in the first heater element 110 on electric hot tray 100 and the second heater element 120 and lid.
Flow chart below in conjunction with Fig. 3 is described in detail according to the method for heating and controlling for cooker of the present invention.As a rule, the course of work of cooker mainly comprise the stage of cooking, cook rice over a slow fire stage and holding stage etc.Wherein, the stage of cooking specifically can comprise again temperature ascent stage, water suction stage, the stage of being rapidly heated, rush boiling stage.Corresponding to the different stages, use mode of heating corresponding with it and heating parameters according to control method of the present invention.Particularly, the method for heating and controlling for cooker according to the present invention comprises the following steps:
Step S110: make the first heater element and the second heater element simultaneously work (cooking the stage corresponding to cooker).
In the present embodiment, in step s 110, the first heater element 110 and the second heater element 120 are worked simultaneously, raises to make the temperature in interior pot.Particularly, corresponding to cooker temperature ascent stage, water suction stage, the stage of being rapidly heated in the stage of cooking and rush boiling stage, step S110 can be refined as again and comprise the following steps.
Step S111: the first heater element and the second heater element are worked simultaneously, raises (the temperature ascent stage of cooking in the stage corresponding to cooker) to make the constant temperature of interior pot bottom.
In the present embodiment, in step S111, namely in the temperature ascent stage of cooking in the stage of cooker, the first heater element 110 and the second heater element 120 are worked simultaneously, in this process, the constant temperature of interior pot bottom raises.In general, particularly for ceramic inner vessel, it is lower just to have started heat transfer efficiency, therefore, in order to reduce the thermal loss of firm incipient stage, and can to using different heating duty ratios respectively in the early stage of temperature ascent stage and later stage.
Particularly, in the present embodiment, first can perform step S111A, the first heater element 110 and the second heater element 120 are worked than simultaneously with the second heating duty.Second heating duty ratio can be such as 30/36.It should be noted that, in this article, " heating duty ratio " refers in one cycle, the time (such as 30s) of the actual heating of heater element and the ratio of cycle time (such as 36s).There are abnormal conditions (such as because temperature sensor fault makes step S111A continue to carry out) in the cooker course of work to prevent simultaneously, preferably, the time of implementation that can preset step S111A is no more than the very first time upper limit, such as 15 minutes.
In the process performing step S111A, the constant temperature of interior pot bottom raises and is sensed by bottom temp sensor 160.When the temperature of pot bottom is more than or equal to the 4th predetermined temperature in bottom temp sensor 160 senses, perform step S111B.4th predetermined temperature can within 53 DEG C of-57 DEG C of scopes, and such as the 4th predetermined temperature can be 55 DEG C.In step S111B, the first heater element 110 and the second heater element 120 are worked than simultaneously with the 3rd heating duty being greater than the second heating duty ratio.3rd heating duty ratio can be such as 32/36.Relative to step S111A, in step S111B process, the heat transfer efficiency of pot is higher, therefore increases heating duty ratio and can not only accelerate temperature rising, and can not cause too large thermal loss.Similarly, in order to prevent occurring abnormal conditions (such as because temperature sensor fault makes step S111B continue to carry out) in the cooker course of work, preferably, the time of implementation that can preset step S111B is no more than the second time upper limit, such as 15 minutes.
Step S112: when the temperature of interior pot bottom is more than or equal to the second predetermined temperature, whether the time of the first heater element and the second heater element work that judges is more than or equal to first scheduled time (the water suction stage of cooking in the stage corresponding to cooker).
Particularly, in the present embodiment, in step S111 (specifically comprising step S111A and S111B), the constant temperature of interior pot bottom raises and is sensed by bottom temp sensor 160.When the temperature that bottom temp sensor 160 senses interior pot bottom is greater than 62 DEG C (example as " the second predetermined temperature "), then perform step S112, namely judge whether the working time of the first heater element 110 and the second heater element 120 is more than or equal to 10 minutes (example as " first scheduled time ").It should be noted that, herein " working time of the first heater element 110 and the second heater element 120 " refer to from the first heater element 110 and the second heater element 120 just start working (i.e. step S111A) be greater than 62 DEG C to the temperature that bottom temperature sensor 160 senses interior pot bottom time total working time, it not only comprises relay-operating time, also comprises relay turn-off time.
In addition, it should be noted that, although in the present embodiment, the second predetermined temperature is 62 DEG C, and in the present invention's other embodiments unshowned, the second predetermined temperature also can be set as other values according to actual conditions.Preferably, the second predetermined temperature is within 60 DEG C of-64 DEG C of scopes.Applicant finds, when the second predetermined temperature is within the scope of this, not only can improve the operating efficiency of cooker, and the mouthfeel of food is better simultaneously.
In addition, it should be noted that, although in the present embodiment, first scheduled time was 10 minutes, and in the present invention's other embodiments unshowned, first scheduled time also can be set as other values according to actual conditions.Preferably, first scheduled time can be selected within scope at 8 minutes-20 minutes.
Step S113: when the time of the first heater element and the second heater element work was less than for first scheduled time, first heater element and the second heater element are worked simultaneously, and the temperature of interior pot bottom is maintained (the water suction stage of cooking in the stage corresponding to cooker) in the second temperature range; When the time of the first heater element and the second heater element work was more than or equal to for first scheduled time, in judging, whether the temperature at pot top is more than or equal to the 3rd predetermined temperature (being rapidly heated the stage in the stage of cooking corresponding to cooker).
Particularly, in the present embodiment, when the temperature of interior pot bottom is more than or equal to the second predetermined temperature and judges that in step S112 the time of the first heater element 110 and the work of the second heater element 120 is less than first scheduled time (such as 10 minutes), then perform step S113A, first heater element 110 and the second heater element 120 are worked simultaneously, and the temperature of interior pot bottom is maintained in the second temperature range.In step S113A, the heating duty ratio of the first heater element 110 and the second heater element 120 can be such as 12/15.Second temperature range such as can be 68 DEG C-70 DEG C.Namely, when the temperature of interior pot bottom is less than 68 DEG C, bottommost heating elements 110 and sidepiece heating element heater 120 are worked simultaneously, and when the temperature of interior pot bottom reaches 70 DEG C, bottommost heating elements 110 and sidepiece heating element heater 120 is quit work.So repeatedly, 68 DEG C-70 DEG C are maintained all the time to make the temperature of interior pot bottom.
And on the other hand, when the temperature of interior pot bottom is more than or equal to the second predetermined temperature and judges that in step S112 the time of the first heater element 110 and the work of the second heater element 120 is more than or equal to first scheduled time (such as 10 minutes), then skip step S113A and perform step S113B, in namely judging, whether the temperature at pot top is more than or equal to the 3rd predetermined temperature.3rd predetermined temperature can within 69 DEG C of-73 DEG C of scopes.Such as the 3rd predetermined temperature can be 71 DEG C.
Step S114: when the temperature at interior pot top is less than the 3rd predetermined temperature, makes the first heater element and the second heater element work simultaneously, raises (corresponding to the stage of being rapidly heated) to make the constant temperature at interior pot top; When the temperature at interior pot top is more than or equal to the 3rd predetermined temperature, make the first heater element and the second heater element with the first heating duty than work, raise until reach the first predetermined temperature to make the constant temperature at interior pot top.
Particularly, in the present embodiment, when in judging in step S113B, the temperature at pot top is less than the 3rd predetermined temperature (such as 71 DEG C), then perform step S114A, namely, first heater element 110 of electric hot tray 100 and the second heater element 120 are worked simultaneously, raises to make the constant temperature at interior pot top.In step S114A, the heating duty ratio of the first heater element 110 and the second heater element 120 can be such as 28/36.Similarly, in order to prevent occurring abnormal conditions (such as because temperature sensor fault makes step S114A continue to carry out) in the cooker course of work, preferably, the time of implementation that can preset step S114A is no more than the 3rd time upper limit, such as 20 minutes.
When the temperature at pot top is more than or equal to the 3rd predetermined temperature (such as 71 DEG C) in judging in step S113B, then performs step S114B, that is, make the first heater element 110 and the second heater element 120 compare work with the first heating duty.Wherein, the first heating duty ratio can be drawn by following formulae discovery:
Wherein, T is total running time of the first heater element 110 and the second heater element 120, and get its by minute in units of the numerical value of correspondence, n be more than or equal to 0 integer, it can rule of thumb be chosen, symbol represent and round downwards, T 1for setting the reference period of the first heating duty ratio, and getting the numerical value of its correspondence in seconds, such as, is 30 seconds.It should be noted that, " total running time " refers in abovementioned steps (institute namely before step S114B in steps) herein, the actual pickup time that relay is total.
Such as, in the present embodiment, n can get 4, T 1can get 30s, then the first heating duty ratio can pass through following formulae discovery:
Such as, when total running time of the first heater element 110 and the second heater element 120 is 7 minutes,
It should be noted that, in the present invention's other embodiments unshowned, n rule of thumb can also choose other integers being more than or equal to 0 with actual needs.Such as, n can get other values such as 1,2,3,5,6,7.
Preferably, can capping and lower limit further to the first heating duty ratio gone out with above-mentioned formulae discovery.Such as, lower limit can be set as 5/30, and the upper limit can be set as 14/30.That is, the first heating duty is 5/30 than minimum of a value, and when the result calculated is less than 5/30, get 5/30, maximum in like manner.Such as, when total running time of the first heater element 110 and the second heater element 120 is 10 minutes, in this case, because the result calculated is greater than the higher limit 14/30 of setting, so preferably can choose the first heating duty ratio is 14/30.Applicant finds, when the first heating duty ratio is within the scope of 5/30-14/30, food mouthfeel is better.
Step S120: the temperature at the interior pot bottom of sensing and top while making the first heater element and the second heater element work, and in judging, whether the temperature at pot top is more than or equal to the first predetermined temperature.
Particularly, in the present embodiment, in step S110 (particularly, step S111-step S114), the first heater element 110 and the second heater element 120 work, to complete the stage of cooking simultaneously.Simultaneously, in this process, the temperature at pot bottom and interior pot top in bottom temp sensor 160 and head temperature sensor 170 sense respectively, and in judging, whether the temperature at pot top is more than or equal to 91 DEG C (examples as " the first predetermined temperature ").
It should be noted that, although in the present embodiment, the first predetermined temperature is 91 DEG C, and in the present invention's other embodiments unshowned, the first predetermined temperature can be set as other values according to actual conditions.Preferably, the first predetermined temperature can within 89 DEG C of-93 DEG C of scopes.
Step S130: when the temperature at interior pot top is more than or equal to the first predetermined temperature, make a job in the first heater element and the second heater element, the temperature of interior pot bottom to be maintained (corresponding to cooking rice over a slow fire the stage in the course of work of cooker) in the first temperature range.
In the present embodiment, when the temperature that the head temperature sensor 170 for sensing interior pot head temperature senses interior pot top is more than or equal to the first predetermined temperature (such as 91 DEG C), make a job in the first heater element 110 and the second heater element 120, the temperature of interior pot bottom to be maintained in the first temperature range.
Particularly, in the present embodiment, the first predetermined temperature can be such as 91 DEG C.First temperature range can be 110 DEG C-112 DEG C.That is, when the temperature that the head temperature sensor 170 for sensing interior pot head temperature senses interior pot top is more than or equal to 91 DEG C, the second heater element 120 is made to work and the first heater element 110 is quit work.Wherein, the heating duty ratio of the second heater element 120 can be such as 8/36.Applicant finds, when the first temperature range is 110 DEG C-112 DEG C, the food in interior pot both can not have been caused to boil paste because temperature is higher, and can ensure that again the food in interior pot had good mouthfeel.
It should be noted that, although in the present embodiment, when the temperature that head temperature sensor senses interior pot top is more than or equal to 91 DEG C (i.e. first predetermined temperature), second heater element 120 works and the first heater element 110 quits work, but in the present invention's other embodiments unshowned, also can be that the first heater element 110 works and the second heater element 120 quits work.
In addition, for be provided with the cooker of the 3rd heater element 150 in lid for, when the temperature that head temperature sensor 170 senses interior pot top is more than or equal to the first predetermined temperature, while making a job in the first heater element 110 and the second heater element 120, the 3rd heater element 150 can also be made to work, the temperature of interior pot bottom to be maintained in the first temperature range.By in the first heater element 110 of electric hot tray 100 and the second heater element 120 and the 3rd heater element 150 in the lid of cooker simultaneously internally pot heat, can heat up and down by the food formed in the stage of cooking rice over a slow fire in internal pot, make the mouthfeel of the food in interior pot better.
Step S140: whether the determining step S130 duration was more than or equal to for second scheduled time.
Particularly, in the present embodiment, enter step S130 (namely cooking rice over a slow fire the stage) it, can determining step S130 continue time whether be more than or equal to second scheduled time (such as 15 minutes).Be greater than 15 minutes when the time that step S130 continues, then enter holding stage.It should be noted that, although in the present embodiment, second scheduled time was 15 minutes, and in the present invention's other embodiments unshowned, second scheduled time can be set as other values according to actual conditions.Preferably, second scheduled time can within the scope of 10-20 minute.Applicant finds, step S130 continues 10-20 minute, and food has good mouthfeel.
According to the method for heating and controlling for cooker of the present invention, first heater element 110 and second heater element 120 that can control electric hot tray 100 respectively work, make in the stage of cooking of cooker, make the first heater element 110 of electric hot tray 100 and the second heater element 120 work simultaneously, and in the stage of cooking rice over a slow fire of cooker, make the only work in the first heater element 110 of electric hot tray 100 and the second heater element 120, therefore the temperature contrast of interior pot bottom and sidepiece can not only be reduced, make interior pot homogeneous heating, the mouthfeel of the food in improving in pot, and the first heater element temperature rise of electric hot tray can not be caused larger, reduce potential safety hazard.
The present invention is illustrated by above-described embodiment, but should be understood that, above-described embodiment just for the object of illustrating and illustrate, and is not intended to the present invention to be limited in described scope of embodiments.In addition it will be appreciated by persons skilled in the art that the present invention is not limited to above-described embodiment, more kinds of variants and modifications can also be made according to instruction of the present invention, within these variants and modifications all drop on the present invention's scope required for protection.Protection scope of the present invention defined by the appended claims and equivalent scope thereof.

Claims (9)

1. the method for heating and controlling for cooker, described cooker comprises body, is installed on described intrinsic electric hot tray, sit and to be located on described electric hot tray and by described electric hot tray for it provides pot and the lid for covering described body in heat energy, wherein said electric hot tray comprises the first heater element be arranged on bottom described electric hot tray and the second heater element being arranged on described electric hot tray sidepiece, described cooker also comprises and is respectively used to the sensing described bottom of interior pot and the temperature sensor of head temperature, it is characterized in that, described method comprises:
A) make described first heater element and described second heater element work simultaneously;
B) temperature at described interior pot bottom and top is sensed while making described first heater element and described second heater element work; And
C) when the temperature at described interior pot top is more than or equal to the first predetermined temperature, a job in described first heater element and described second heater element is made, the temperature of described interior pot bottom to be maintained in the first temperature range.
2. the method for heating and controlling for cooker according to claim 1, it is characterized in that, described cooker comprises the 3rd heater element be arranged in described lid, described step c) comprise when the temperature at described interior pot top is more than or equal to described first predetermined temperature, make described 3rd heater element work.
3. the method for heating and controlling for cooker according to claim 2, is characterized in that, described step c) continue 10-20 minute.
4. the method for heating and controlling for cooker according to claim 1 and 2, is characterized in that, described first temperature range is 110 DEG C-112 DEG C, and/or described first predetermined temperature is within 89 DEG C of-93 DEG C of scopes.
5. the method for heating and controlling for cooker according to claim 1, is characterized in that, described step a) comprising:
D) make described first heater element and described second heater element work simultaneously, raise to make the constant temperature of described interior pot bottom;
E) when the temperature of described interior pot bottom is more than or equal to the second predetermined temperature, judge whether the time of described first heater element and described second heater element work was more than or equal to for first scheduled time;
F) when the time of described first heater element and described second heater element work is less than described first scheduled time, described first heater element and described second heater element are worked simultaneously, and the temperature of described interior pot bottom is maintained in the second temperature range; When the time of described first heater element and described second heater element work is more than or equal to described first scheduled time, judge whether the temperature at described interior pot top is more than or equal to the 3rd predetermined temperature; And
G) when the temperature at described interior pot top is less than described 3rd predetermined temperature, described first heater element and described second heater element are worked simultaneously, raise to make the constant temperature at described interior pot top; When the temperature at described interior pot top is more than or equal to described 3rd predetermined temperature, described first heater element and described second heater element is made to compare work with the first heating duty, to make the constant temperature at described interior pot top raise until reach described first predetermined temperature, wherein said first heating duty is than being drawn by following formulae discovery:
Wherein, T is total running time of described first heater element and described second heater element, n be more than or equal to 0 integer, symbol represent and round downwards, T 1for setting the reference period of described first heating duty ratio.
6. according to the method for heating and controlling for cooker according to claim 5, it is characterized in that, described first heating duty is than within 5/30-14/30 scope.
7. according to the method for heating and controlling for cooker according to claim 5, it is characterized in that, described first scheduled time is within 8 minutes-20 minutes scopes, and/or described second temperature range is 68 DEG C-70 DEG C, and/or described second predetermined temperature is within 60 DEG C of-64 DEG C of scopes, and/or described 3rd predetermined temperature is within 69 DEG C of-73 DEG C of scopes.
8. the method for heating and controlling for cooker according to claim 5, is characterized in that, described steps d) comprising:
H) described first heater element and described second heater element is made to work than simultaneously with the second heating duty; And
I) when the temperature in described interior pot is more than or equal to the 4th predetermined temperature, described first heater element and described second heater element are worked than simultaneously with the 3rd heating duty, described 3rd heating duty ratio is greater than described second heating duty ratio.
9. the method for heating and controlling for cooker according to claim 8, is characterized in that, described 4th predetermined temperature is within 53 DEG C of-57 DEG C of scopes.
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CN110710886A (en) * 2019-08-28 2020-01-21 广东美的厨房电器制造有限公司 Cooking appliance, control method thereof, control device and computer-readable storage medium
CN111513582A (en) * 2020-04-29 2020-08-11 珠海格力电器股份有限公司 Electric cooker and control method thereof
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