CN105411356A - Electric cooker and heating control method thereof - Google Patents

Electric cooker and heating control method thereof Download PDF

Info

Publication number
CN105411356A
CN105411356A CN201410475401.2A CN201410475401A CN105411356A CN 105411356 A CN105411356 A CN 105411356A CN 201410475401 A CN201410475401 A CN 201410475401A CN 105411356 A CN105411356 A CN 105411356A
Authority
CN
China
Prior art keywords
heater coil
heating
electric cooker
heat
heating cycle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410475401.2A
Other languages
Chinese (zh)
Other versions
CN105411356B (en
Inventor
黄庶锋
黄兵
房振
董凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201410475401.2A priority Critical patent/CN105411356B/en
Priority to JP2017524078A priority patent/JP6377851B2/en
Priority to KR1020177001821A priority patent/KR101892404B1/en
Priority to PCT/CN2015/077761 priority patent/WO2016041352A1/en
Publication of CN105411356A publication Critical patent/CN105411356A/en
Application granted granted Critical
Publication of CN105411356B publication Critical patent/CN105411356B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cookers (AREA)

Abstract

The invention provides an electric cooker and a heating control method thereof. According to the control method, a first heating stage and a second heating stage are included, wherein in the first heating stage, the electric cooker is controlled for heating in N heating periods, and within the N heating periods, the time proportion of the heating time of a second heating coil to the heating time of a first heating coil is controlled to be larger than a preset proportion threshold, wherein N is a positive integer; in the second heating stage, the electric cooker is controlled for heating in M heating periods, and within the M heating periods, the time proportion of the heating time of the second heating coil to the heating time of the first heating coil is controlled to be reduced, wherein M is a positive integer. Through the electric cooker and the heating control method thereof, the problem that heat is prevented from being transmitted upwards as rice at the bottom of the electric cooker forms a big rice block layer too early can be avoided, uniform boiling holes can be formed after rice is boiled, and heating is uniform.

Description

Electric cooker and method for heating and controlling thereof
Technical field
The present invention relates to technical field of electric appliances, particularly a kind of method for heating and controlling of electric cooker, and a kind of electric cooker.
Background technology
At present, some electric cooker is heated by IH (InductionHeater, eddy-current heating) coil panel, and common IH coil panel is one heating, can be changed the uniformity of heating by the winding placement of regulating winding dish.But, in the process of cooking, if the firepower bottom electric cooker maintains larger firepower, easily make the gelatinization be bonded together and form rice block prematurely of the grain of rice of bottom, the rice block of bonding can hinder heat to rice transmission at the middle and upper levels greatly, and on the temperature field in interior pot, lower deviation is very large.In addition, after the boiling of rice water, the bubble formed by interior pot bottom also cannot penetrate a meter block layer and form hole of seething with excitement uniformly.
Summary of the invention
Object of the present invention is intended to solve above-mentioned technical problem at least to a certain extent.
For this reason, one object of the present invention is the method for heating and controlling proposing a kind of electric cooker, and this method for heating and controlling can reduce temperature deviation, can form hole of seething with excitement uniformly, homogeneous heating after boiling, and rice mouthfeel is good.
Another object of the present invention is to propose a kind of electric cooker.
For achieving the above object, an aspect of of the present present invention embodiment proposes a kind of method for heating and controlling of electric cooker, described electric cooker comprises the first heater coil and the second heater coil, described first heater coil is positioned under described inner pan of electric cooker, described second heater coil becomes predetermined angle with the bottom of described first heater coil, described control method comprises the first heating period and the second heating period, wherein, heat to control described electric cooker N number of heating cycle within described first heating period, and within described N number of heating cycle, the time scale controlling the heat time of described second heater coil and the heat time of described first heater coil is greater than preset ratio threshold value, wherein, N is positive integer, heat to control described electric cooker M heating cycle within described second heating period, and within a described M heating cycle, the time scale controlling the heat time of described second heater coil and the heat time of described first heater coil reduces, and wherein, M is positive integer.
According to the method for heating and controlling of the electric cooker of the embodiment of the present invention, by controlling the first heater coil respectively and the second heater coil heats, and in the first heating period, the ratio controlling the heat time of the second heater coil and the heat time of the first heater coil is greater than Preset Time ratio, namely based on the second heater coil, can prevent the grain of rice bottom electric cooker from forming serious rice block layer, and then in the second heating period, the ratio controlling the heat time of the second heater coil and the heat time of the first heater coil reduces, namely the heat time of the second heater coil is reduced, increase the heating ratio of the first heater coil, thus the bubble that interior pot bottom can be made to produce upwards penetrates the loose grain of rice swimmingly equably, boiling evenly, the rice made is soft good to eat, effective.
Wherein, in some embodiments of the invention, within each heating cycle, described method comprises: control described second heater coil and heat, spread to make the temperature of described inner pan of electric cooker from side to bottom; Control described first heater coil to heat, upwards spread by bottom to make the temperature of described inner pan of electric cooker.
Particularly, heating cycle meets 4 seconds < T < 50 seconds, and wherein, T is time span heating cycle.
Wherein, in some embodiments of the invention, within described N number of heating cycle, when controlling described second heater coil and heating, control described first heater coil and do not heat.
Within a described M heating cycle, when controlling described second heater coil and heating, control described first heater coil and do not heat.
Particularly, in some embodiments of the invention, the method for heating and controlling of above-mentioned electric cooker also comprises: the temperature detecting described electric cooker inner top; When the temperature of described electric cooker inner top reaches temperature threshold, control described electric cooker and enter described second heating period control.
Wherein, in some embodiments of the invention, within described first heating period, the time scale of the heat time of described second heater coil and the heat time of described first heater coil is definite value, or, within described first heating period, the described time scale in i-th heating cycle is less than the time scale in a jth heating cycle, 0 < i < j≤N.
Wherein, in some embodiments of the invention, within described second heating period, the heat time of described second heater coil in a kth heating cycle and the time scale of the heat time of described first heater coil are less than described preset ratio threshold value, 0 < k≤M.
For achieving the above object, another aspect of the present invention embodiment proposes a kind of electric cooker, this electric cooker comprises: the first heater coil and the second heater coil, described first heater coil is positioned under described inner pan of electric cooker, and described second heater coil becomes predetermined angle with the bottom of described first heater coil, controller, described controller controls described first heater coil with the first heating period and the second heating period and described second heater coil heats, wherein, within described first heating period, described controller heats to control described electric cooker N number of heating cycle, and within described N number of heating cycle, the time scale that described controller controls the heat time of described second heater coil and the heat time of described first heater coil is greater than preset ratio threshold value, within described second heating period, described controller heats to control described electric cooker M heating cycle, and within a described M heating cycle, the time scale that described controller controls the heat time of described second heater coil and the heat time of described first heater coil reduces, wherein, N and M is positive integer.
According to the electric cooker of the embodiment of the present invention, controller controls the first heater coil respectively and the second heater coil heats, and in the first heating period, the ratio controlling the heat time of the second heater coil and the heat time of the first heater coil is greater than Preset Time ratio, namely based on the second heater coil, can prevent the grain of rice bottom electric cooker from forming serious rice block layer, and then in the second heating period, the ratio controlling the heat time of the second heater coil and the heat time of the first heater coil reduces, namely the heat time of the second heater coil is reduced, increase the heating ratio of the first heater coil, thus the bubble that interior pot bottom can be made to produce upwards penetrates the loose grain of rice swimmingly equably, boiling homogeneous heating, the rice made is soft good to eat, effective.
Wherein, within each heating cycle, described controller controls described second heater coil and heats, spread to bottom from side to make the temperature of described inner pan of electric cooker, control described first heater coil to heat, upwards spread by bottom to make the temperature of described inner pan of electric cooker
Particularly, in some embodiments of the invention, heating cycle meets 4 seconds < T < 50 seconds, and wherein, T is time span heating cycle.
Wherein, in some embodiments of the invention, within described N number of heating cycle, when controlling described second heater coil and heating, control described first heater coil and do not heat.
Within a described M heating cycle, when controlling described second heater coil and heating, control described first heater coil and do not heat.
In addition, in some embodiments of the invention, above-mentioned electric cooker also comprises: for detecting the temperature detector of described electric cooker internal temperature, described temperature detector is positioned at described electric cooker inner top, when described temperature detector detected temperatures reaches preset temperature, described controller controls described electric cooker and enters described second heating period control.
Wherein, in some embodiments of the invention, within described first heating period, the time scale of the heat time of described second heater coil and the heat time of described first heater coil is definite value, or, within described first heating period, the described time scale in i-th heating cycle is less than the time scale in a jth heating cycle, 0 < i < j≤N.
Wherein, in some embodiments of the invention, the heat time of described second heater coil in a kth heating cycle and the time scale of the heat time of described first heater coil are less than described preset ratio threshold value, 0 < k≤M.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the part-structure schematic diagram of electric cooker according to an embodiment of the invention;
Fig. 2 is the flow chart of the method for heating and controlling of electric cooker according to an embodiment of the invention;
Fig. 3 is the schematic diagram of the computer heating control process of electric cooker according to a specific embodiment of the present invention;
Fig. 4 is the flow chart of the control procedure of each heating cycle in the method for heating and controlling of electric cooker according to another embodiment of the invention; And
Fig. 5 is the schematic diagram of the computer heating control process of electric cooker first heating period according to another embodiment of the invention.
Reference numeral
First heater coil 10, second heater coil 20 and interior pot 30.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
A kind of electric cooker and method for heating and controlling thereof that propose according to the embodiment of the present invention are described with reference to the accompanying drawings.
First in the heating means of the electric cooker of the embodiment of the present invention based on rice cooker structure do simple explanation, Fig. 1 is the part-structure schematic diagram of electric cooker according to an embodiment of the invention.As shown in Figure 1, the electric cooker of the embodiment of the present invention comprises the first coil and bottom coil and the second coil bottom lateral coil, first heater coil is positioned under inner pan of electric cooker, second heater coil becomes predetermined angle with the bottom of the first heater coil, and the first heater coil and the second heater coil can carry out drived control respectively.Be understandable that, the first heater coil and the second heater coil all can annular be arranged, and such as the first heater coil is with annular spread and interior pot bottom, and the second heater coil annular spread is in the side periphery of interior pot.
Wherein, in one embodiment of the invention, as shown in Figure 1, second heater coil is parallel with the chamfering of interior pot, is predetermined angle such as 45 degree, in another embodiment of the present invention with the first heater coil, second heater coil can comprise Part I and Part II, wherein, Part I is positioned under inner pan of electric cooker, and Part II is positioned at the side of inner pan of electric cooker.Particularly, it is parallel with interior pot bottom that such as Part I is arranged at interior pot bottom, and Part II is arranged at interior pot side and becomes 90 degree with bottom, thus heating can be made more even.
The first heating period and the second heating period such as temperature rise period and temperature maintenance stage is comprised at the method for heating and controlling of the electric cooker of the embodiment of the present invention, Fig. 2 is the flow chart of the control method of electric cooker according to an embodiment of the invention, as shown in Figure 2, the control method of the electric cooker of the embodiment of the present invention comprises the following steps:
S10, heats to control electric cooker N number of heating cycle within the first heating period, and within N number of heating cycle, the time scale controlling the heat time of the second heater coil and the heat time of the first heater coil is greater than preset ratio threshold value.
Wherein, N is positive integer.In an embodiment of the present invention, being heated and effect of seething with excitement of the whole pot rice of the heat time scale effect of the first heater coil and the second heater coil.Such as, can see the first heating period and temperature rise period as by reaching boiling to meter Shui from cooking, meter Shui Cong is boiled to end of cooking can regard the such as temperature maintenance stage the second heating period as.
Be illustrated in figure 3 the schematic diagram of the computer heating control process of electric cooker according to an embodiment of the invention, wherein, grid bar shaped represents that one-period meets 4 seconds < T < 50 seconds such as heating cycle, wherein, T is time span heating cycle, such as one-period is 16 seconds, each grid represents 2 seconds, slashed boxes represented for the first heating coils heat time, the point box indicating second heating coils heat time, the such as temperature rise period the first heating period in such as Fig. 3, within N number of heating cycle, block is formed in order to prevent the gelatinization of the bottom grain of rice, reduce the heating of the first heater coil, the time scale controlling the heat time of the second heater coil and the heat time of the first heater coil is greater than preset ratio threshold value, main to control the second heating coils heat.Wherein, within N number of heating cycle, when control second heater coil heats, the first heater coil can be controlled and do not heat.Such as in the temperature rise period, within a heating cycle, the heat time of the second heater coil is greater than 1 with the ratio of the heat time of the first heater coil, namely the heat time of the second heater coil is greater than the heat time of the first heater coil, master is heated to be with the second heater coil, the grain of rice bottom this process is in is not subject to the damage of interior pot bottom surface high-temp, and the grain of rice can not form serious rice block layer.
S20, heat, and within M heating cycle, the time scale controlling the heat time of the second heater coil and the heat time of the first heater coil reduces within the second heating period to control electric cooker M heating cycle.
Wherein, M is positive integer.Particularly, when rice water is at a simmer, namely the second heating period in temperature maintenance stage and Fig. 3 is entered, within each heating cycle of M heating cycle, the time scale controlling the heat time of the second heater coil and the heat time of the first heater coil reduces, namely the heat time controlling the second heater coil reduces, strengthen the heating ratio of the first heater coil, main be heated to be master with the first heater coil, the smooth and easy grain of rice upwards evenly penetrated loosely of the bubble that interior pot bottom is produced, finally reach the uniform effect of boiling, the rice cooked is soft good to eat.In addition, within M heating cycle, when control second heater coil heats, the first heater coil can be controlled and do not heat.
Further, for each heating cycle in the first heating period and the second heating period, Fig. 4 is the flow chart of the method for heating and controlling of electric cooker in the heating cycle according to an embodiment of the invention.As shown in Figure 4, within each heating cycle, said method comprises the following steps:
S1, controls the second heater coil and heats, and spreads from side to make the temperature of inner pan of electric cooker to bottom.
Particularly, in an embodiment of the present invention, can heat the first heater coil and the second heater coil respectively, wherein, within each heating cycle, control the second heater coil i.e. coil of bottom side to heat with predetermined power, predetermined power can be arranged according to specific product, and the temperature of inner pan of electric cooker can be made to spread from side to bottom.
S2, controls the first heater coil and heats, and is upwards spread by bottom to make the temperature of inner pan of electric cooker.
Particularly, when control the second heating coils heat, also the first heating coils heat can be controlled separately, first heater coil can identically such as all heat with predetermined power with the heating power of the second heater coil, control the first heater coil to heat, the temperature of inner pan of electric cooker can be made upwards to be spread by bottom.Respectively computer heating control is carried out to the first heater coil and the second heater coil, the adjustment of different heating region firepower can be realized.
Particularly, for the opportunity entering for the second heating period from the first heating period, in one embodiment of the invention, the method for heating and controlling of above-mentioned electric cooker also comprises: the temperature detecting electric cooker inner top, when the temperature of electric cooker inner top reaches temperature threshold, control electric cooker and enter the control of the second heating period and rice water is at a simmer enters the temperature maintenance stage.That is, the criterion that rice water is at a simmer reaches preset temperature with the temperature of electric cooker inner top detected and such as reaches 90 DEG C and be as the criterion.Such as shown in Figure 3, wherein, curve P1 is the temperature curve of the electric cooker inner bottom part detected, curve P2 is the temperature curve of the electric cooker inner top detected, when the temperature of the electric cooker inner top detected reaches 90 DEG C, then electric cooker enters the control of the second heating period, and within a heating cycle, the heat time ratio controlling the second heater coil and the first heater coil reduces.
In addition, in an embodiment of the present invention, the time scale of the heat time of the second heater coil and the heat time of the first heater coil can change.Such as within the first heating period, the time scale of the heat time of the second heater coil and the heat time of the first heater coil can be definite value such as 1, or, within the first heating period, time scale in i-th heating cycle is less than the time scale in a jth heating cycle, 0 < i < j≤N.Such as be illustrated in figure 5 the schematic diagram of electric cooker first heating period according to an embodiment of the invention, within a period of time of such as temperature rise period the first heating period, the heat time ratio of the second heater coil and the first heater coil continues to increase, such as within i-th heating cycle, second heater coil is 5 to 1 with the heat time ratio of the first heater coil, such as heating cycle is 16 seconds, within the i-th heating cycle, the heat time of the second heater coil is 10 seconds, the heat time of the first heater coil is 2 seconds, within a jth heating cycle, second heater coil is 7 to 1 with the heat time ratio of the first heater coil, the heat time of such as the second heater coil is 14 seconds, the heat time of the first heater coil is 2 seconds.
In another embodiment of the present invention, within the second heating period namely when boiling stage carries out temperature maintenance, the heat time ratio of the second heater coil and the first heater coil can be greater than preset ratio threshold value, or equal preset ratio threshold value, or be less than preset ratio threshold value, such as, the heat time of the second heater coil in a kth heating cycle and the time scale of the heat time of the first heater coil are less than preset ratio threshold value, 0 < k≤M.Such as shown in Fig. 3, in the second heating period and temperature maintenance stage, the heat time of the second heater coil and the ratio of the heat time of the first heater coil are such as 3 to 4, or 1 to 1 is namely equal.
In addition, in one embodiment of the invention, within a heating cycle, when control second heater coil heats with predetermined power, control the first heater coil and stop heating or control the first heater coil after the preset lime heating with predetermined power.That is, in each heating cycle, first control the second heater coil and heat, when control second heater coil heats, the first heater coil does not heat.Or, first control the second heater coil to heat, then the first heater coil and the second heater coil heat simultaneously, then when the first heating period, the ratio of the heat time that the heat time of the second heater coil and the first heater coil and the second heater coil heat simultaneously is greater than preset ratio threshold value.
In sum, according to the method for heating and controlling of the electric cooker of the embodiment of the present invention, by controlling the first heater coil respectively and the second heater coil heats, and in the first heating period, the ratio controlling the heat time of the second heater coil and the heat time of the first heater coil is greater than Preset Time ratio, namely based on the second heater coil, can prevent the grain of rice bottom electric cooker from forming serious rice block layer, and then in the second heating period, the ratio controlling the heat time of the second heater coil and the heat time of the first heater coil reduces, namely the heat time of the second heater coil is reduced, increase the heating ratio of the first heater coil, based on the first heating coils heat, thus the bubble that interior pot bottom can be made to produce upwards penetrates the loose grain of rice swimmingly equably, boiling evenly, the rice made is soft good to eat, effective.
The electric cooker that embodiment according to a further aspect in the invention proposes is described with reference to the accompanying drawings.
As shown in Figure 1, the electric cooker of the embodiment of the present invention comprises the first heater coil 10, second heater coil 20 and controller (not indicating in figure).Wherein, the first heater coil 10 is positioned under inner pan of electric cooker 30, and the second heater coil 20 becomes predetermined angle with the bottom of the first heater coil 10.First heater coil 10 and the second heater coil 20 can carry out drived control respectively.Be understandable that, the first heater coil 10 and the second heater coil 20 all can annular be arranged, and such as the first heater coil 10 is with bottom annular spread and interior pot 30, and the second heater coil 20 annular spread is in the side periphery of interior pot 30.
Wherein, in one embodiment of the invention, as shown in Figure 1, second heater coil 20 is parallel with the chamfering of interior pot 30, with the first heater coil 10 in predetermined angle such as 45 degree, in another embodiment of the present invention, second heater coil 20 can comprise Part I and Part II, wherein, Part I is positioned under inner pan of electric cooker 30, and Part II is positioned at the side of inner pan of electric cooker 30.Particularly, such as Part I is arranged at bottom interior pot 30 parallel with bottom interior pot 30, and Part II is arranged at interior pot 30 side and becomes 90 degree with bottom, thus heating can be made more even.
Wherein, the heating period of electric cooker comprises the first heating period and the second heating period, within the first heating period, controller heats to control electric cooker N number of heating cycle, within the second heating period, controller heats to control electric cooker M heating cycle, and wherein, N and M is positive integer.Being heated and effect of seething with excitement of the whole pot rice of heat time scale effect of the first heater coil and the second heater coil, within N number of heating cycle, the time scale that controller controls the heat time of the second heater coil 20 and the heat time of the first heater coil 10 is greater than preset ratio threshold value, within M heating cycle, the time scale that controller controls the heat time of the second heater coil 20 and the heat time of the first heater coil 10 reduces.
Particularly, such as, can see the first heating period and temperature rise period as by reaching boiling to meter Shui from cooking, meter Shui Cong is boiled to end of cooking can regard the such as temperature maintenance stage the second heating period as.Be illustrated in figure 3 the flow chart of the computer heating control process of electric cooker according to an embodiment of the invention, the such as temperature rise period the first heating period in such as Fig. 3, within N number of heating cycle, block is formed in order to prevent the gelatinization of the bottom grain of rice, reduce the heating of the first heater coil, the time scale that controller controls the heat time of the second heater coil 20 and the heat time of the first heater coil 10 is greater than preset ratio threshold value, mainly be heated to be master to control the second heater coil 20, wherein, within N number of heating cycle, controller is when control second heater coil 20 heats, the first heater coil 10 can be controlled do not heat.Such as in the temperature rise period, within a heating cycle, the heat time of the second heater coil 20 is greater than 1 with the ratio of the heat time of the first heater coil 10, namely master is heated to be with the second heater coil 20, the grain of rice bottom this process is in is not subject to the damage of interior pot 30 lower surface high temperature, and the grain of rice can not form serious rice block layer.
When rice water is at a simmer, when namely entering the second heating period in temperature maintenance stage and Fig. 3, within each heating cycle of M heating cycle, the time scale that controller controls the heat time of the second heater coil 20 and the heat time of the first heater coil 10 reduces, namely the heat time controlling the second heater coil 20 reduces, strengthen the heating ratio of the first heater coil 10, main be heated to be master with the first heater coil 10, make the smooth and easy grain of rice upwards evenly penetrated loosely of bubble produced bottom interior pot 30, finally reach the uniform effect of boiling, the rice cooked is soft good to eat.In addition, within M heating cycle, controller, when control second heater coil 20 heats, can control the first heater coil 10 and not heat.
Within each heating cycle of the first heating period and the second heating period, controller can heat the first heater coil and the second heater coil respectively, thus realizes the adjustment of different heating region firepower.Controller controls the second heater coil 20 and heats with predetermined power, to make the temperature of inner pan of electric cooker 30 spread to bottom from side, controls the first heater coil 10 and heats with predetermined power, upwards spread to make the temperature of inner pan of electric cooker 30 by bottom.
Further, above-mentioned electric cooker also comprises the temperature detector for detecting electric cooker internal temperature, temperature detector is positioned at electric cooker inner top, when temperature detector detected temperatures reaches preset temperature, controller controls electric cooker and enters the control of the second heating period, and namely rice water is at a simmer enters the temperature maintenance stage.That is, the criterion that rice water is at a simmer reaches preset temperature with the temperature of electric cooker inner top detected and such as reaches 90 DEG C and be as the criterion.Such as shown in Figure 3, wherein, grid bar shaped represents that one-period meets 4 seconds < T < 50 seconds such as heating cycle, wherein, T is time span heating cycle, such as one-period is 16 seconds, each grid represents 2 seconds, slashed boxes represented for the first heater coil 10 heat time, point box indicating second heater coil 20 heat time, curve P1 is the temperature curve of the electric cooker inner bottom part detected, curve P2 is the temperature curve of the electric cooker inner top detected, when the temperature of the electric cooker inner top that temperature detector detects reaches 90 DEG C, then electric cooker enters the control of the second heating period, within a heating cycle, the heat time ratio controlling the second heater coil 20 and the first heater coil 10 reduces.
In addition, in an embodiment of the present invention, the time scale of the heat time of the second heater coil and the heat time of the first heater coil can change.Such as within the first heating period, the time scale of the heat time of the second heater coil 20 and the heat time of the first heater coil 10 is definite value, or, within the first heating period, time scale in i-th heating cycle is less than the time scale in a jth heating cycle, 0 < i < j≤N.Such as be illustrated in figure 5 the schematic diagram of electric cooker first heating period according to an embodiment of the invention, within a period of time of such as temperature rise period the first heating period, the heat time ratio of the second heater coil 20 and the first heater coil 10 continues to increase, such as within i-th heating cycle, the heat time ratio of the second heater coil 20 and the first heater coil 10 is 5 to 1, such as heating cycle is 16 seconds, within the i-th heating cycle, the heat time of the second heater coil 20 is 10 seconds, the heat time of the first heater coil 10 is 2 seconds, within a jth heating cycle, the heat time ratio of the second heater coil 20 and the first heater coil 10 is 7 to 1, the such as heat time of the second heater coil 20 is 14 seconds, the heat time of the first heater coil 10 is 2 seconds.
In another embodiment of the present invention, within the second heating period namely when boiling stage carries out temperature maintenance, the heat time ratio of the second heater coil 20 and the first heater coil 10 can be greater than preset ratio threshold value, or equal preset ratio threshold value, or be less than preset ratio threshold value, such as, the heat time of the second heater coil 20 in a kth heating cycle and the time scale of the heat time of the first heater coil 10 are less than preset ratio threshold value, 0 < k≤M.Such as shown in Fig. 3, in the second heating period and temperature maintenance stage, the heat time of the second heater coil 20 is 3 to 4 with the ratio of the heat time of the first heater coil 10, or 1 to 1 is namely equal.
In addition, in one embodiment of the invention, within a heating cycle, controller, when control second heater coil 20 heats with the first power, controls the first heater coil 10 and stops heating or control the first heater coil 10 after the preset lime heating with predetermined power.That is, in each heating cycle, controller first controls the second heater coil 20 and heats, and when control second heater coil 20 heats, the first heater coil 10 does not heat.Or, first control the second heater coil 20 to heat, then the first heater coil 10 is controlled and the second heater coil 20 heats simultaneously, now still be heated to be master with the second heater coil 20, then when the first heating period, the ratio of the heat time that the heat time of the second heater coil 20 and the first heater coil 10 and the second heater coil 20 heat simultaneously is greater than preset ratio threshold value.
According to the electric cooker of the embodiment of the present invention, controller controls the first heater coil respectively and the second heater coil heats, and in the first heating period, the ratio controlling the heat time of the second heater coil and the heat time of the first heater coil is greater than Preset Time ratio, namely based on the second heater coil, can prevent the grain of rice bottom electric cooker from forming serious rice block layer, and then in the second heating period, the ratio controlling the heat time of the second heater coil and the heat time of the first heater coil reduces, namely the heat time of the second heater coil is reduced, increase the heating ratio of the first heater coil, based on the first heating coils heat, thus the bubble that interior pot bottom can be made to produce upwards penetrates the loose grain of rice swimmingly equably, boiling homogeneous heating, the rice made is soft good to eat, effective.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.

Claims (16)

1. the method for heating and controlling of an electric cooker, it is characterized in that, described electric cooker comprises the first heater coil and the second heater coil, described first heater coil is positioned under described inner pan of electric cooker, described second heater coil becomes predetermined angle with the bottom of described first heater coil, described control method comprises the first heating period and the second heating period, wherein
Heat to control described electric cooker N number of heating cycle within described first heating period, and within described N number of heating cycle, the time scale controlling the heat time of described second heater coil and the heat time of described first heater coil is greater than preset ratio threshold value, wherein, N is positive integer;
Heat to control described electric cooker M heating cycle within described second heating period, and within a described M heating cycle, the time scale controlling the heat time of described second heater coil and the heat time of described first heater coil reduces, and wherein, M is positive integer.
2. the method for heating and controlling of electric cooker as claimed in claim 1, is characterized in that, wherein, within each heating cycle, comprising:
Control described second heater coil to heat, spread to bottom from side to make the temperature of described inner pan of electric cooker; And
Control described first heater coil to heat, upwards spread by bottom to make the temperature of described inner pan of electric cooker.
3. the method for heating and controlling of electric cooker as claimed in claim 1, is characterized in that, meet 4 seconds < T < heating cycle 50 seconds, wherein, T is time span heating cycle.
4. the method for heating and controlling of electric cooker as claimed in claim 2, is characterized in that, within described N number of heating cycle, when controlling described second heater coil and heating, controls described first heater coil and does not heat.
5. the method for heating and controlling of electric cooker as claimed in claim 2, is characterized in that, within a described M heating cycle, when described second heater coil of control heats, controls described first heater coil and does not heat.
6. the method for heating and controlling of electric cooker as claimed in claim 1, is characterized in that, also comprise:
Detect the temperature of described electric cooker inner top;
When the temperature of described electric cooker inner top reaches temperature threshold, control described electric cooker and enter described second heating period control.
7. the method for heating and controlling of electric cooker as claimed in claim 1, it is characterized in that, wherein, within described first heating period, the time scale of the heat time of described second heater coil and the heat time of described first heater coil is definite value, or, within described first heating period, described time scale in i-th heating cycle is less than the time scale in a jth heating cycle, 0 < i < j≤N.
8. the method for heating and controlling of electric cooker as claimed in claim 1, it is characterized in that, wherein, within described second heating period, the heat time of described second heater coil in a kth heating cycle and the time scale of the heat time of described first heater coil are less than described preset ratio threshold value, 0 < k≤M.
9. an electric cooker, is characterized in that, comprising:
First heater coil and the second heater coil, described first heater coil is positioned under described inner pan of electric cooker, and described second heater coil becomes predetermined angle with the bottom of described first heater coil;
Controller, described controller controls described first heater coil with the first heating period and the second heating period and described second heater coil heats, wherein, within described first heating period, described controller heats to control described electric cooker N number of heating cycle, and within described N number of heating cycle, the time scale controlling the heat time of described second heater coil and the heat time of described first heater coil is greater than preset ratio threshold value, and described controller heats to control described electric cooker M heating cycle within described second heating period, and within a described M heating cycle, the time scale that described controller controls the heat time of described second heater coil and the heat time of described first heater coil reduces, wherein, N and M is positive integer.
10. electric cooker as claimed in claim 9, it is characterized in that, within each heating cycle, described controller controls described second heater coil and heats, spread to bottom from side to make the temperature of described inner pan of electric cooker, and control described first heater coil and heat, upwards spread by bottom to make the temperature of described inner pan of electric cooker.
11. electric cookers as claimed in claim 9, is characterized in that, heating cycle meets 4 seconds < T < 50 seconds, and wherein, T is time span heating cycle.
12. electric cookers as claimed in claim 10, is characterized in that, within described N number of heating cycle, described controller, when controlling described second heater coil and heating, controls described first heater coil and do not heat.
13. electric cookers as claimed in claim 10, is characterized in that, within a described M heating cycle, described controller, when controlling described second heater coil and heating, controls described first heater coil and do not heat.
14. electric cookers as claimed in claim 9, is characterized in that, also comprise:
For detecting the temperature detector of described electric cooker internal temperature, described temperature detector is positioned at described electric cooker inner top, when described temperature detector detected temperatures reaches preset temperature, described controller controls described electric cooker and enters described second heating period control.
15. electric cookers as claimed in claim 9, it is characterized in that, within described first heating period, the time scale of the heat time of described second heater coil and the heat time of described first heater coil is definite value, or, within described first heating period, the described time scale in i-th heating cycle is less than the time scale in a jth heating cycle, 0 < i < j≤N.
16. electric cookers as claimed in claim 9, within described second heating period, the heat time of described second heater coil in a kth heating cycle and the time scale of the heat time of described first heater coil are less than described preset ratio threshold value, 0 < k≤M.
CN201410475401.2A 2014-09-17 2014-09-17 Electric cooker and its method for heating and controlling Active CN105411356B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201410475401.2A CN105411356B (en) 2014-09-17 2014-09-17 Electric cooker and its method for heating and controlling
JP2017524078A JP6377851B2 (en) 2014-09-17 2015-04-29 Rice cooker and heating control method thereof
KR1020177001821A KR101892404B1 (en) 2014-09-17 2015-04-29 Electric rice cooker and heating control method thereof
PCT/CN2015/077761 WO2016041352A1 (en) 2014-09-17 2015-04-29 Electric rice cooker and heating control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410475401.2A CN105411356B (en) 2014-09-17 2014-09-17 Electric cooker and its method for heating and controlling

Publications (2)

Publication Number Publication Date
CN105411356A true CN105411356A (en) 2016-03-23
CN105411356B CN105411356B (en) 2018-03-30

Family

ID=55490257

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410475401.2A Active CN105411356B (en) 2014-09-17 2014-09-17 Electric cooker and its method for heating and controlling

Country Status (1)

Country Link
CN (1) CN105411356B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109343384A (en) * 2018-09-25 2019-02-15 珠海格力电器股份有限公司 Cooking apparatus and its control method
CN110859488A (en) * 2018-08-27 2020-03-06 佛山市顺德区美的电热电器制造有限公司 Vacuum cooking appliance and heating control method thereof
CN111988876A (en) * 2019-05-21 2020-11-24 佛山市顺德区美的电热电器制造有限公司 Electromagnetic heating circuit, electromagnetic heating device, drive control method, and heating control method
CN112369927A (en) * 2020-11-06 2021-02-19 珠海格力电器股份有限公司 Multi-segment IH electric cooker control method and device, multi-segment IH electric cooker and storage medium
CN112656198A (en) * 2020-12-31 2021-04-16 珠海格力电器股份有限公司 Electric cooker, rice control method and device and storage medium
CN113017401A (en) * 2021-03-26 2021-06-25 珠海格力电器股份有限公司 Electric cooker, rice control method and device and storage medium
WO2024051167A1 (en) * 2022-09-09 2024-03-14 珠海格力电器股份有限公司 Cooking control method of electric cooker, and electric cooker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002253423A (en) * 2001-03-05 2002-09-10 Hitachi Hometec Ltd Induction heating type rice cooker
CN1470206A (en) * 2002-06-24 2004-01-28 三洋电机株式会社 Rice cooker and cooking method
JP2006325781A (en) * 2005-05-25 2006-12-07 Hitachi Appliances Inc Rice cooker
CN103702593A (en) * 2011-09-05 2014-04-02 三菱电机株式会社 Rice cooker
CN203537576U (en) * 2013-11-07 2014-04-09 珠海格力电器股份有限公司 Heating circuit, PCB board, and electric rice cooker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002253423A (en) * 2001-03-05 2002-09-10 Hitachi Hometec Ltd Induction heating type rice cooker
CN1470206A (en) * 2002-06-24 2004-01-28 三洋电机株式会社 Rice cooker and cooking method
JP2006325781A (en) * 2005-05-25 2006-12-07 Hitachi Appliances Inc Rice cooker
CN103702593A (en) * 2011-09-05 2014-04-02 三菱电机株式会社 Rice cooker
CN203537576U (en) * 2013-11-07 2014-04-09 珠海格力电器股份有限公司 Heating circuit, PCB board, and electric rice cooker

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110859488A (en) * 2018-08-27 2020-03-06 佛山市顺德区美的电热电器制造有限公司 Vacuum cooking appliance and heating control method thereof
CN109343384A (en) * 2018-09-25 2019-02-15 珠海格力电器股份有限公司 Cooking apparatus and its control method
CN111988876A (en) * 2019-05-21 2020-11-24 佛山市顺德区美的电热电器制造有限公司 Electromagnetic heating circuit, electromagnetic heating device, drive control method, and heating control method
CN111988876B (en) * 2019-05-21 2022-08-30 佛山市顺德区美的电热电器制造有限公司 Electromagnetic heating circuit, electromagnetic heating device, drive control method, and heating control method
CN112369927A (en) * 2020-11-06 2021-02-19 珠海格力电器股份有限公司 Multi-segment IH electric cooker control method and device, multi-segment IH electric cooker and storage medium
CN112656198A (en) * 2020-12-31 2021-04-16 珠海格力电器股份有限公司 Electric cooker, rice control method and device and storage medium
CN113017401A (en) * 2021-03-26 2021-06-25 珠海格力电器股份有限公司 Electric cooker, rice control method and device and storage medium
WO2024051167A1 (en) * 2022-09-09 2024-03-14 珠海格力电器股份有限公司 Cooking control method of electric cooker, and electric cooker

Also Published As

Publication number Publication date
CN105411356B (en) 2018-03-30

Similar Documents

Publication Publication Date Title
CN105411356A (en) Electric cooker and heating control method thereof
CN204133126U (en) Electric cooker
CN105708303A (en) Electric cooking apparatus, cooking method of electric cooking apparatus and method for detecting rice and water amounts in electric cooking apparatus
CN105078233A (en) Electric cooker and control method thereof
CN105747828A (en) Electric rice cooker and porridge cooking control method for electric rice cooker
CN104274087A (en) Frying and baking machine and heating control method thereof
CN104833106A (en) Control method and device of electric water heater and electric water heater
KR102069166B1 (en) Heating control method and heating control device for cookware
CN105725721A (en) Cooking machine and control method for cooking machine
CN105204451A (en) Automatic cooking system and control method thereof
CN103799847A (en) Electric pressure cooker and control method for electric pressure cooker
CN104345752A (en) Electric rice cooker and control method and heat insulation control device thereof
CN105476441A (en) Cooking appliance, heat preservation control method of cooking appliance and heat preservation control device of cooking appliance
CN105520503A (en) Pressure cooking utensil and control method thereof
CN105725722A (en) Cooking machine and juice thickening control method thereof
CN102440679A (en) Cooking method of electric rice cooker with user-defined heating modes and electric rice cooker
CN106136868A (en) Pressure cooking appliance and cooking control method
CN105352192A (en) Electric water heater and control method thereof
CN105078199A (en) Electric cooker and electric cooker control method
CN105595789A (en) Method and device for detecting whether water is added as well as cooking utensil and cooking control method
CN105685537A (en) Electric rice cooker and method for making jam by using electric rice cooker
CN105286495A (en) Pressure cooking utensil and its control method
CN107124780A (en) Electromagnetic heating temperature control method and device and electromagnetic heating equipment
CN203447082U (en) Electric pressure cooker and control device thereof
CN104764208A (en) Electric water heater and control method and device thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant