CN105078233A - Electric cooker and control method thereof - Google Patents

Electric cooker and control method thereof Download PDF

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Publication number
CN105078233A
CN105078233A CN201410214866.2A CN201410214866A CN105078233A CN 105078233 A CN105078233 A CN 105078233A CN 201410214866 A CN201410214866 A CN 201410214866A CN 105078233 A CN105078233 A CN 105078233A
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temperature
electric cooker
control
heating
power
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CN105078233B (en
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杨乐
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Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Abstract

The invention provides an electric cooker and a control method thereof. The control method comprises the following steps: after the electric cooker is started, the electric cooker is controlled to be heated at the first average power; when the temperature in the electric cooker reaches a first preset temperature, heating of the electric cooker is controlled to be stopped temporarily; first preset time later, the electric cooker is controlled to be continuously heated at the first average power; when the temperature in the electric cooker reaches a second preset temperature, the electric cooker is controlled to be heated at the second average power, wherein the first preset temperature is larger than the second preset temperature, the power regulation ratio of the second average power is smaller than that of the first average power and the power regulation cycle of the second average power is larger than that of the first average power; when the temperature in the electric cooker reaches a boiling balance temperature point, the electric cooker is controlled to be heated at the third average power so as to keep boiling; and second preset time later, heating of the electric cooker is controlled to be stopped. According to the electric cooker and the control method thereof, the fact that the electric cooker reaches boiling temperature and material in the electric cooker does not overflow can be guaranteed and temperature control is more accurate.

Description

Electric cooker and control method thereof
Technical field
The present invention relates to technical field of electric appliances, the control method of particularly a kind of electric cooker, and electric cooker.
Background technology
Electric cooker is a kind of conventional household electrical appliance, when current electric cooker is cooked congee, general temperature sensor detected temperatures, meter Shui Liang grade and fluidized state is judged in the heating period, the power that matches with meter Shui Liang or power Power Regulation ratio is taked to heat at boiling stage, to ensure meter water boiling and can not overflow.Detailed process as shown in Figure 1, mainly through heating 01 stage, stopped for 01 stage, heated for 02 stage, stop 02 stage and maintain boiling stage.Wherein, P01 is electric cooker bottom sensor detected temperatures curve, and P02 is water temperature curve, and P03 is the temperature that rice cooker upper cover temperature sensor detects, and P04 is heater heating pulse, in pulse, high, represents heater heating, low, represents heater and stops heating.Can find out, at the end of heating for 02 stage, water temperature is less than 95 DEG C, after stopping heating, it is by heating 02 stage or even the thermal inertia rising of heating for 1 stage that the constant temperature of water rises, consider that the temperature-sensitive of temperature sensor postpones again, in fact heated for 02 stage stops heated less than just to have moved when 95 DEG C in temperature, because meter Shui Liang grade, environment temperature all can affect the temperature migration point in heating 2 stage, thus the temperature causing heating 02 stage to terminate rear rising becomes a kind of probability event, causes the unstable properties of electric cooker.Through experiment, be micro-boiling according to the effect that said process carries out operating, water temperature is 99.5 DEG C.Wherein, maintaining the power of boiling stage employing Power Regulation than P0, can only boiling after basis on maintain boiling, when water temperature do not reach 100 DEG C or lower and do not have thermal inertia maintain water temperature rise, with Power Regulation than P0 power maintain still can not seethe with excitement.
Existing electric cooker, even if obtain temperature by the temperature sensor above covered, in the situation of cooking congee or spilling still can occur when soup or fully do not seethe with excitement, effect is unstable, and uniformity is poor.In addition, the impact of environment temperature also can cause the judgement of fluidized state and meter Shui Liang grade to produce error, such as, at the end of the heating period, water temperature does not reach boiling temperature, meter Shui Liang grade judges bigger than normal etc., thus causes maintaining boiling stage and easily produce the phenomenon of violent spilling of not seething with excitement or seethe with excitement.
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 control method proposing a kind of electric cooker, and the control method of this electric cooker can ensure that electric cooker reaches boiling temperature and can not overflow, and temperature control is more accurate.
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 control method of electric cooker, and the control method of this electric cooker comprises the following steps: electric cooker controls described electric cooker and heats with the first mean power after starting; When the temperature in described electric cooker reaches the first preset temperature, control described electric cooker and suspend heating; After the first Preset Time, control described electric cooker and continue heating with the first mean power; When the temperature in described electric cooker reaches the second preset temperature, control described electric cooker to carry out heating to prevent from overflowing with the second mean power, wherein, described second preset temperature is greater than described first preset temperature, the Power Regulation of described second mean power is than the Power Regulation ratio being less than described first mean power, and the Power Regulation cycle of described second mean power is greater than the Power Regulation cycle of described first mean power; When temperature in described electric cooker reaches boiling equilibrium temperature point, control described electric cooker and carry out heating to maintain boiling with the 3rd mean power; After the second Preset Time, control described electric cooker and stop heating.
According to the control method of the electric cooker of the embodiment of the present invention, by after being rapidly heated, suspend heating to cut down the delayed of heat hot inertia and temperature detection, and then continue to be heated to the second preset temperature with the first mean power, then smaller with Power Regulation and the Power Regulation cycle is longer the second mean power heats, and maintain boiling when reaching boiling equilibrium temperature point, temperature can be made slowly steadily to increase, thus ensureing that electric cooker can not overflow while can reaching boiling temperature, temperature control is more accurate.
Particularly, in some embodiments of the invention, described first preset temperature is 87-93 DEG C, and described second preset temperature is 93-97 DEG C.
Particularly, in some embodiments of the invention, the heating service time of described second mean power is 10-30 second, and Power Regulation is 90-180 second than cycle.
Wherein, in some embodiments of the invention, described electric cooker comprises temperature sensor, described temperature sensor be positioned at described electric cooker on cover, during liquid boiling in described electric cooker, temperature during temperature-resistantization that described temperature sensor detects is equilibrium temperature point, and described boiling equilibrium temperature point is the difference of described equilibrium temperature point and predetermined number temperature spot.
The equilibrium temperature preset in advance number temperature spot detected by temperature sensor is as boiling equilibrium temperature point, and the temperature control that the impact because of environment can be avoided to cause is inaccurate.
Particularly, in some embodiments of the invention, described second Preset Time is 3-10 minute.
For achieving the above object, another aspect of the present invention embodiment proposes a kind of electric cooker, and this electric cooker comprises: temperature sensor, timer, heater, controller, after electric cooker starts, described controller controls described heater and heats with the first mean power, when temperature in described electric cooker reaches the first preset temperature, described controller controls described heater and suspends heating, and after the first Preset Time, control described heater and continue heating with the first mean power, and the temperature in described electric cooker is when reaching the second preset temperature, control described heater to heat with the second mean power, and the temperature in described electric cooker reach boiling equilibrium temperature point time, control described heater to carry out heating to maintain boiling with the 3rd mean power, and after the second Preset Time, control described heater and stop heating, wherein, described second preset temperature is greater than described first preset temperature, the Power Regulation of described second mean power is than the Power Regulation ratio being less than described first mean power, the Power Regulation cycle of described second mean power is greater than the Power Regulation cycle of described first mean power.
According to the electric cooker of the embodiment of the present invention, by controller control heater after being rapidly heated, suspend heating to cut down the delayed of heat hot inertia and temperature detection, and then continuation control heater is heated to the second preset temperature with the first mean power, then control heater and second mean power that Power Regulation cycle longer smaller with Power Regulation heats, and maintain boiling when reaching boiling equilibrium temperature point, the temperature in electric cooker can be made slowly steadily to increase, thus ensure that electric cooker can not overflow while can reaching boiling temperature, temperature control is more accurate.
Particularly, in some embodiments of the invention, described first preset temperature can be 87-93 DEG C, and described second preset temperature can be 93-97 DEG C.
Particularly, in some embodiments of the invention, the heating service time of described second mean power is 10-30 second, and Power Regulation is 90-180 second than cycle.
In some embodiments of the invention, described temperature sensor be positioned at described electric cooker on cover, during liquid boiling in described electric cooker, temperature during temperature-resistantization that described temperature sensor detects is equilibrium temperature point, and described boiling equilibrium temperature point is the difference of described equilibrium temperature point and predetermined number temperature spot.
The equilibrium temperature preset in advance number temperature spot detected by temperature sensor is as boiling equilibrium temperature point, and the temperature control that the impact because of environment can be avoided to cause is inaccurate.
Particularly, in some embodiments of the invention, described second Preset Time is 3-10 minute.
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 schematic diagram controlling electric cooker work in prior art;
Fig. 2 is the flow chart of the control method of electric cooker according to an embodiment of the invention;
Fig. 3 is the schematic diagram of the control electric cooker course of work according to a specific embodiment of the present invention; And
Fig. 4 is the block diagram of electric cooker according to an embodiment of the invention.
Reference numeral
Temperature sensor 10, timer 20, heater 30 and controller 40.
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.
The electric cooker and control method thereof that propose according to the embodiment of the present invention are described with reference to the accompanying drawings.
First, describe the control method of the electric cooker proposed according to the embodiment of the present invention with reference to the accompanying drawings, the control method of the embodiment of the present invention is applicable to the scheme that all temperature sensors judge boiling.
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:
S1, after electric cooker starts, controls electric cooker and heats with the first mean power.
Particularly, as shown in Figure 3, be the schematic diagram of the process of electric cooker work according to an embodiment of the invention.Wherein, P1 is electric cooker bottom sensor detected temperatures curve, and P2 is water temperature curve, and P3 is the temperature that rice cooker upper cover temperature sensor detects, and P4 is heater heating pulse, and in pulse, height represents heater heating, low, represents heater and stops heating.As heated for 1 stage in Fig. 3, after electric cooker starts, initial heat-up stage carries out heating to ensure to heat up rapidly with the first mean power.First mean power refers to mean power, first mean power is larger power, and the rated power such as setting electric cooker heater is P, and the heating Power Regulation of the first mean power is than being H1, the Power Regulation cycle of H1 can be such as 32 seconds, and the Power Regulation ratio of H1 can be such as 16/32.
S2, when the temperature in electric cooker reaches the first preset temperature, controls electric cooker and suspends heating.
When with the first mean power heating, also to consider to ensure that temperature can not be too high, prevent from overflowing.Control electric cooker when the temperature in electric cooker reaches the first preset temperature and stop heating.Such as the first preset temperature can be 87-93 DEG C, more preferably, when the coolant-temperature gage in electric cooker reaches 90 DEG C, controls electric cooker and stops heating.Particularly, such as electric cooker comprises temperature sensor, temperature sensor be positioned at electric cooker on cover, carry out temperature control with the temperature of the temperature sensor senses of rice cooker upper cover, when the temperature that upper cover temperature sensor detects reaches corresponding water temperature 90 DEG C, electric cooker can be controlled and suspend heating.
S3, after the first Preset Time, controls electric cooker and continues heating with the first mean power.
Such as, as stopping 1 stage in Fig. 3, wherein, control the heating of electric cooker time-out and mainly realize two effects, one act as heater (particularly electric hot tray) in abatement above-mentioned heating 1 stage and to generate heat for a long time the thermal inertia brought, prevents laser heating from causing spilling; Another act as the delay of sensing of equilibrium temperature sensor, such as, make the temperature of the temperature sensor senses covered more close to real water temperature.After time-out heating first Preset Time, controlling electric cooker and continue heating with the first mean power, as heated in 2 stages with part heat with heating 1 stage equal-wattage in Fig. 3, continuing rising to make water temperature.Wherein, the first Preset Time can be arranged as the case may be.
S4, when the temperature in electric cooker reaches the second preset temperature, controls electric cooker and carries out heating to prevent from overflowing with the second mean power.
Particularly, control electric cooker and proceed heating with the first mean power, when reaching the second preset temperature, control electric cooker is converted to and heats with the second mean power.Second preset temperature is greater than the first preset temperature, such as, second preset temperature can be 93-97 DEG C, more preferably, such as when water level is increased to 95 DEG C from the first preset temperature 90 DEG C, when the temperature sensor senses temperature covered above is punctual, namely when upper cover temperature sensor senses temperature reaches corresponding water temperature 95 DEG C, control electric cooker is converted to and heats with the second mean power, wherein, the Power Regulation of the second mean power is than the Power Regulation ratio being less than the first mean power, the Power Regulation cycle of the second mean power is greater than the Power Regulation cycle of the first mean power, the Power Regulation ratio of such as the second mean power can be H2, the Power Regulation cycle of H2 can be such as 120 seconds, Power Regulation ratio can be such as 20/120, i.e. H2<H1, but 32 seconds Power Regulation cycles of 120 seconds Power Regulation cycles >H1 of H2.Wherein, for Power Regulation than cycle set 90-180 second, the service time optimized scope 10-30 second of the Power Regulation ratio of the second mean power.
Such as the latter half in heating 2 stage in Fig. 3, when heating with the second mean power of 20/120 Power Regulation ratio, namely within continuous 20 seconds, carry out heating and then within 100 seconds, stopped one-period, so circulate.Heating in so continuous 20 seconds stops again, water temperature curve slowly rises, such as milder to 100 DEG C from 95 DEG C, in addition, heat according to the second mean power of this Power Regulation ratio, even if laser heating 20 seconds, but the dwell time of one-period also long enough, so can ensure can not overflow after 20 seconds at laser heating.
S5, when the temperature in electric cooker reaches boiling equilibrium temperature point, controls electric cooker and carries out heating to maintain boiling with the 3rd mean power.
Particularly, when controlling electric cooker and heating with the second mean power, water temperature steadily slowly rises, because suspend in heating period such as Fig. 3 after stopping for 1 stage in electric cooker, the whole heat that adds of electric cooker slowly slows down, the temperature-sensitive of simultaneous temperature sensor postpones to obtain abundant abatement in whole heating process, when electric cooker has continuously a large amount of steam to emerge, it is generally acknowledged and seethe with excitement, temperature sensor can detect an equilibrium temperature, this temperature can think boiling equilibrium temperature point, when temperature in electric cooker reaches boiling equilibrium temperature point, control electric cooker to carry out heating to maintain boiling with the 3rd mean power, such as, maintenance boiling stage in Fig. 3, carry out heating with the power of the Power Regulation of H3 ratio and maintain boiling, H3 can be such as 3/32.
In addition, environment temperature also can affect the boiling temperature of electric cooker, and such as, in highlands, electric cooker does not reach boiling temperature.In one embodiment of the invention, during liquid boiling in electric cooker, temperature during temperature-resistantization that the upper cover temperature sensor of electric cooker detects can be set to equilibrium temperature point, and the equilibrium temperature point that seethes with excitement can be the difference of equilibrium temperature point and predetermined number temperature spot, wherein, temperature-resistantization can be thought and substantially do not change.Such as, predetermined number temperature spot is 3-4 temperature AD value, namely represent, will in electric cooker normally boiling situation, the equilibrium temperature point that upper cover temperature sensor detects shifts to an earlier date 3-4 temperature AD value and namely to seethe with excitement equilibrium temperature point with the migration temperature spot that the second mean power heats as electric cooker, thus can to ensure in certain areas such as highlands can not reach normal boiling temperature such as 100 DEG C time, ensure the temperature control to electric cooker, the boiling temperature that can reach local environment can not overflow again.
S6, after the second Preset Time, controls electric cooker and stops heating.
Control electric cooker with the 3rd mean power such as with 3/32 Power Regulation than after maintaining boiling second Preset Time, control electric cooker and close.Second Preset Time can be 3-10 minute, such as, after maintaining boiling 5 minutes, controls electric cooker and closes, finish the work.Wherein, the mouthfeel that the effect that the second Preset Time can reach according to electric cooker is such as cooked carries out proper extension.
In sum, according to the control method of the electric cooker of the embodiment of the present invention, by controlling electric cooker after being rapidly heated, suspend heating to cut down the delayed of heat hot inertia and temperature detection, and then continue to be heated to the second preset temperature with the first mean power, then smaller with Power Regulation and the Power Regulation cycle is longer the second mean power heats, and maintain boiling when reaching boiling equilibrium temperature point, temperature can be made slowly steadily to increase, thus ensureing that electric cooker can not overflow while can reaching boiling temperature, temperature control is more accurate.In addition, the equilibrium temperature preset in advance number temperature spot detected by temperature sensor is as boiling equilibrium temperature point, and the temperature control that the impact because of environment can be avoided to cause is inaccurate.
A kind of electric cooker that embodiment according to a further aspect in the invention proposes is described with reference to the accompanying drawings.
Fig. 4 is the block diagram of electric cooker according to an embodiment of the invention.As shown in Figure 4, the electric cooker of the embodiment of the present invention comprises temperature sensor 10, timer 20, heater 30 and controller 40.
After electric cooker starts, controller 40 control heater 30 heats with the first mean power, when temperature in electric cooker reaches the first preset temperature, controller 40 control heater 30 suspends heating, and after the first Preset Time, control heater 30 continues heating with the first mean power, and the temperature in electric cooker is when reaching the second preset temperature, control heater 30 heats with the second mean power, and the temperature in electric cooker reach boiling equilibrium temperature point time, control heater 30 carries out heating to maintain boiling with the 3rd mean power, and after the second Preset Time, control heater 30 stops heating.Wherein, the second preset temperature is greater than the first preset temperature, and the Power Regulation of the second mean power is than the Power Regulation ratio being less than the first mean power, and the Power Regulation cycle of the second mean power is greater than the Power Regulation cycle of the first mean power.
Particularly, as shown in Figure 3, be the schematic diagram of the process of electric cooker work according to an embodiment of the invention.As heated for 1 stage in Fig. 3, after electric cooker starts, initial heat-up stage carries out heating to ensure to heat up rapidly with the first mean power.First mean power refers to mean power, and the first mean power is larger power, and the heating Power Regulation such as set bottom electric cooker can be such as 32 seconds than the Power Regulation cycle for H1, H1, and the Power Regulation ratio of H1 can be such as 16/32.
When with the first mean power heating, also to consider to ensure that temperature can not be too high, prevent from overflowing.When the temperature in electric cooker reaches the first preset temperature, controller 40 control heater 30 suspends heating.Such as the first preset temperature can be 87-93 DEG C, and more preferably, when the temperature in electric cooker reaches 90 DEG C, controller 40 control heater 30 suspends heating.Particularly, such as temperature sensor 10 be positioned at electric cooker on cover, namely the temperature responded to the temperature sensor 10 of rice cooker upper cover carries out temperature control, and when the temperature that temperature sensor 10 detects reaches corresponding water temperature 90 DEG C, controller 40 controls electric cooker and suspends heating.As stopping 1 stage in Fig. 3, wherein, controller 40 controls the heating of electric cooker time-out and mainly realizes two effects, and one act as the thermal inertia of cutting down above-mentioned heating 1 stage, prevents laser heating from causing spilling; Another act as the delay of sensing of equilibrium temperature sensor 10, such as, make the temperature of temperature sensor 10 induction covered more close to real water temperature.After time-out heating first Preset Time, controller 40 control heater 30 continues heating with the first mean power, as heated in 2 stages with part heat with heating 1 stage equal-wattage in Fig. 3, continues rising to make water temperature.
When continuing heating and reaching the second preset temperature, controller 40 control heater 30 is converted to and heats with the second mean power.Second preset temperature is greater than the first preset temperature, such as, second preset temperature can be 93-97 DEG C, more preferably, such as when water level is increased to 95 DEG C from 90 DEG C, particularly, when temperature sensor 10 temperature sensor covered above is punctual, namely when temperature sensor 10 temperature sensor of upper cover reaches corresponding water temperature 95 DEG C, controller 40 control heater 30 is converted to and heats with the second mean power, wherein, the Power Regulation of the second mean power is than the Power Regulation ratio being less than the first mean power, the Power Regulation cycle of the second mean power is greater than the Power Regulation cycle of the first mean power.In one particular embodiment of the present invention, the Power Regulation ratio of such as the second mean power can be H2, the Power Regulation cycle of H2 can be such as 120 seconds, Power Regulation ratio can be such as 20/120, i.e. H2<H1, but 32 seconds Power Regulation cycles of 120 seconds Power Regulation cycles >H1 of H2.Wherein, for Power Regulation, be set than cycle 90-180 second, the service time optimized scope 10-30 second of the Power Regulation ratio of the second mean power.
Such as the latter half in heating 2 stage in Fig. 3, when heating with the second mean power of 20/120 Power Regulation ratio, namely within continuous 20 seconds, carry out heating and then within 100 seconds, stopped one-period, so circulate.Heating in continuous 20 seconds stops again, water temperature curve slowly rises, such as milder to 100 DEG C from 95 DEG C, in addition, heat according to the second mean power of this Power Regulation ratio, even if laser heating 20 seconds, but the dwell time of one-period also long enough, so can ensure can not overflow after 20 seconds at laser heating.
When controller 40 control heater 30 heats with the second mean power, water temperature steadily slowly rises, because after electric cooker suspends stopping 1 stage of heating in such as Fig. 3, the whole heat that adds of electric cooker slowly slows down, the temperature-sensitive of simultaneous temperature sensor 10 postpones to obtain abundant abatement in whole heating process, when electric cooker has continuously a large amount of steam to emerge, it is generally acknowledged and seethe with excitement, temperature sensor 10 can detect an equilibrium temperature, this temperature can think boiling equilibrium temperature point, when temperature in electric cooker reaches boiling equilibrium temperature point, controller 40 control heater 30 carries out heating to maintain boiling with the 3rd mean power, such as, maintenance boiling stage in Fig. 3, carry out heating with the power of the Power Regulation of 3/32 ratio and maintain boiling.
In addition, environment temperature also can affect the boiling temperature of electric cooker, and such as, in highlands, electric cooker does not reach boiling temperature.In one embodiment of the invention, during liquid boiling in electric cooker, temperature during temperature-resistantization that such as, temperature sensor 10 on rice cooker upper cover detects can be set to equilibrium temperature point, and the equilibrium temperature point that seethes with excitement can be the difference of equilibrium temperature point and predetermined number temperature spot, wherein, temperature-resistantization can be thought substantially not change.Such as, will in electric cooker normally boiling situation, on the equilibrium temperature point that detects of the temperature sensor 10 that covers shift to an earlier date 3-4 temperature AD value and namely to seethe with excitement equilibrium temperature point with the migration temperature spot that the second mean power heats as electric cooker, thus can to ensure in certain areas such as highlands can not reach normal boiling temperature such as 100 DEG C time, ensure the temperature control to electric cooker, the boiling temperature that can reach local environment can not overflow again.
Control electric cooker with the 3rd mean power such as with 3/32 Power Regulation than after maintaining boiling second Preset Time, control electric cooker and close.Second Preset Time can be 3-10 minute, and such as, after maintaining boiling 5 minutes, control heater 30 stops heating, finishes the work.Wherein, the mouthfeel of effect such as congee soup that the second Preset Time can reach according to electric cooker carries out proper extension.
In sum, according to the electric cooker of the embodiment of the present invention, by controller control heater after being rapidly heated, suspend heating to cut down the delayed of heat hot inertia and temperature detection, and then continuation control heater is heated to the second preset temperature with the first mean power, then control heater and second mean power that Power Regulation cycle longer smaller with Power Regulation heats, and maintain boiling when reaching boiling equilibrium temperature point, temperature can be made slowly steadily to increase, thus ensure that electric cooker can not overflow while can reaching boiling temperature, temperature control is more accurate.In addition, the equilibrium temperature preset in advance number temperature spot detected by temperature sensor is as boiling equilibrium temperature point, and the temperature control that the impact because of environment can be avoided to cause is inaccurate.
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 (10)

1. a control method for electric cooker, is characterized in that, comprises the following steps:
Electric cooker controls described electric cooker and heats with the first mean power after starting;
When the temperature in described electric cooker reaches the first preset temperature, control described electric cooker and suspend heating;
After the first Preset Time, control described electric cooker and continue heating with the first mean power;
When the temperature in described electric cooker reaches the second preset temperature, control described electric cooker to carry out heating to prevent from overflowing with the second mean power, wherein, described second preset temperature is greater than described first preset temperature, the Power Regulation of described second mean power is than the Power Regulation ratio being less than described first mean power, and the Power Regulation cycle of described second mean power is greater than the Power Regulation cycle of described first mean power;
When temperature in described electric cooker reaches boiling equilibrium temperature point, control described electric cooker and carry out heating to maintain boiling with the 3rd mean power;
After the second Preset Time, control described electric cooker and stop heating.
2. the control method of electric cooker as claimed in claim 1, it is characterized in that, described first preset temperature is 87-93 DEG C, and described second preset temperature is 93-97 DEG C.
3. the control method of electric cooker as claimed in claim 1, it is characterized in that, the heating service time of described second mean power is 10-30 second, and Power Regulation is 90-180 second than cycle.
4. the control method of electric cooker as claimed in claim 1, it is characterized in that, described electric cooker comprises temperature sensor, described temperature sensor be positioned at described electric cooker on cover, during liquid boiling in described electric cooker, temperature during temperature-resistantization that described temperature sensor detects is equilibrium temperature point, and described boiling equilibrium temperature point is the difference of described equilibrium temperature point and predetermined number temperature spot.
5. the control method of electric cooker as claimed in claim 1, it is characterized in that, described second Preset Time is 3-10 minute.
6. an electric cooker, is characterized in that, comprising:
Temperature sensor;
Timer;
Heater;
Controller, after electric cooker starts, described controller controls described heater and heats with the first mean power, when temperature in described electric cooker reaches the first preset temperature, described controller controls described heater and suspends heating, and after the first Preset Time, control described heater and continue heating with the first mean power, and the temperature in described electric cooker is when reaching the second preset temperature, control described heater to heat with the second mean power, and the temperature in described electric cooker reach boiling equilibrium temperature point time, control described heater to carry out heating to maintain boiling with the 3rd mean power, and after the second Preset Time, control described heater and stop heating, wherein, described second preset temperature is greater than described first preset temperature, the Power Regulation of described second mean power is than the Power Regulation ratio being less than described first mean power, the Power Regulation cycle of described second mean power is greater than the Power Regulation cycle of described first mean power.
7. electric cooker as claimed in claim 6, it is characterized in that, described first preset temperature is 87-93 DEG C, and described second preset temperature is 93-97 DEG C.
8. electric cooker as claimed in claim 6, it is characterized in that, the heating service time of described second mean power is 10-30 second, and Power Regulation is 90-180 second than cycle.
9. electric cooker as claimed in claim 6, it is characterized in that, described temperature sensor be positioned at described electric cooker on cover, during liquid boiling in described electric cooker, temperature during temperature-resistantization that described temperature sensor detects is equilibrium temperature point, and described boiling equilibrium temperature point is the difference of described equilibrium temperature point and predetermined number temperature spot.
10. the control method of electric cooker as claimed in claim 6, it is characterized in that, described second Preset Time is 3-10 minute.
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