CN103829773B - A kind of electric cooker - Google Patents
A kind of electric cooker Download PDFInfo
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- CN103829773B CN103829773B CN201210480589.0A CN201210480589A CN103829773B CN 103829773 B CN103829773 B CN 103829773B CN 201210480589 A CN201210480589 A CN 201210480589A CN 103829773 B CN103829773 B CN 103829773B
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Abstract
Disclosure one electric cooker, comprising: heating module；Fan；Switch module, switch module is connected with heating module, and switch module controls heating module and is operated；First controls module, and first controls module is connected with switch module, and first controls module output drive signal controls switch module to control the switch of heating module；Second controls module, and second controls module is connected with fan, and second controls module control fan is operated；And the 3rd control module, 3rd controls module is connected with the first control module and the second control module respectively, 3rd controls module output control signal controls the first control module and second respectively and controls module and be operated to control heating module and fan, and electric cooker entrance heat supplement is cooked rice over a slow fire pattern。Rice top can be carried out heat supplement when cooking rice over a slow fire by this electric cooker, improves the quality on rice top, meets the living needs of people。
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly to a kind of electric cooker。
Background technology
Existing computerized electric cooker, in order to cook more fragrant rice, generally cooks rice over a slow fire the stage。In the stage of cooking rice over a slow fire, in order to maintain the gelatinizing of rice further, reach the better quality of rice, it is necessary to continue the temperature keeping rice close to 100 degree。But, if proceeding bottom-heated, owing to the water in pot is very few, may zoom bottom rice；If cutting down heating, adopting low heating power dutycycle, the energy supplement of rice is slack-off, particularly rice top, simultaneously because evaporation endothermic, the energy supplement of rice top is more not enough, it is possible to causes that gelatinizing is not enough, affects the quality of rice。
And people when generally having a meal be all eat from rice top, if the gelatinizing of rice top is not enough, even if rice bottom is nice also can affect first impression, thus have impact on the quality of life of people。
Summary of the invention
It is an object of the invention to, it is proposed to a kind of rice top can be carried out heat supplement when cooking rice over a slow fire, improve the quality on rice top, meet the electric cooker of the living needs of people。
For reaching above-mentioned purpose, the electric cooker that the present invention proposes, including: heating module；Fan；Switch module, described switch module is connected with described heating module, and described switch module controls described heating module and is operated；First controls module, and described first controls module is connected with described switch module, and described first controls module output drive signal controls described switch module to control the switch of described heating module；Second controls module, and described second controls module is connected with described fan, and described second controls the module described fan of control is operated；And the 3rd control module, described 3rd controls module is connected with described first control module and described second control module respectively, described 3rd controls module output control signal controls described first respectively and controls module and described second and control module and be operated to control described heating module and described fan, and described electric cooker enters heat supplement and cooks rice over a slow fire pattern。
According to the electric cooker that the present invention proposes, after entrance heat supplement cooks rice over a slow fire pattern, it is possible to rice top is carried out heat supplement, is effectively improved the quality on rice top, solve rice amount big time rice top shortage of heat, the ropy problem of rice, meet the living needs of people。
Wherein, described 3rd control module controls described heating module and described fan works simultaneously so that air is preheated by described heating module, and makes hot-air enter in described electric rice cooker body。
Further, after described fan work the first Preset Time, the described 3rd controls module and controls described fan and close the second Preset Time, and controls described fan after described fan cuts out described second Preset Time and open the end until described electric cooker is cooked rice over a slow fire。
Preferably, before described electric cooker entrance heat supplement cooks rice over a slow fire pattern, described second control module receives the running parameter of described fan feedback, and the described 3rd controls module detects the duty of described fan according to described running parameter and controls the described electric cooker common pattern of cooking rice over a slow fire of entrance when described fan work exception。
By the running status of fan is detected in real time, being prevented effectively from and cause the ropy problem of rice because of fan failure, it is more reasonable to control。
Additionally, described electric cooker described common cook rice over a slow fire pattern time, the described 3rd controls module controls described heating module and described fan and closes。
Preferably, described switch module can be insulated gate bipolar transistor IGBT or metal-oxide layer-quasiconductor-field-effect transistor MOSFET。Described heating module can be ptc heater。
Aspect and advantage that the present invention adds will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention。
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from easy to understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the structural representation of electric cooker according to embodiments of the present invention；
Fig. 2 is the workflow diagram that electric cooker is cooked rice over a slow fire according to an embodiment of the invention；
Fig. 3 is that electric cooker in accordance with a preferred embodiment of the present invention is cooked rice over a slow fire in process the flow chart to fan detection；And
Fig. 4 is that electric cooker enters the control flow chart of common pattern of cooking rice over a slow fire according to an embodiment of the invention。
Accompanying drawing labelling:
Heating module 10, fan 20, switch module 30, first control module 40, second and control module 50 and the 3rd control module 60。
Detailed description of the invention
Being 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 the element of same or like function from start to finish。The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not construed as limiting the claims。
Following disclosure provides many different embodiments or example for realizing the different structure of the present invention。In order to simplify disclosure of the invention, hereinafter parts and setting to specific examples are described。Certainly, they are only merely illustrative, and are not intended to the restriction present invention。Additionally, the present invention can in different examples repeat reference numerals and/or letter。This repetition is for purposes of simplicity and clarity, the relation between itself not indicating discussed various embodiment and/or arranging。Additionally, the example of the various specific technique that the invention provides and material, but those of ordinary skill in the art are it can be appreciated that the use of the property of can be applicable to of other techniques and/or other materials。Additionally, fisrt feature described below second feature it " on " structure can include the first and second features and be formed as the embodiment of directly contact, can also including other feature and form the embodiment between the first and second features, such first and second features are not likely to be direct contact。
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, can be mechanically connected or electrical connection, can also be the connection of two element internals, it is possible to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, it is possible to understand the concrete meaning of above-mentioned term as the case may be。
With reference to as explained below and accompanying drawing, it will be clear that these and other aspects of embodiments of the invention。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 it is to be understood that the scope of embodiments of the invention is not limited。On the contrary, all changes within the scope of embodiments of the invention include falling into attached claims spirit and intension, amendment and equivalent。
The electric cooker proposed according to embodiments of the present invention is described with reference to the accompanying drawings。
As it is shown in figure 1, the electric cooker that the embodiment of the present invention proposes includes heating module 10, fan 20, switch module the 30, first control module the 40, second control module 50 and the 3rd control module 60。
Wherein, switch module 30 is connected with heating module 10, and switch module 30 controls heating module 10 under the first control driving signal controlling module 40 output and is operated。In one embodiment of the invention, switch module 30 can be IGBT(InsulatedGateBipolarTransistor, insulated gate bipolar transistor) or MOSFET(Metal-Oxide-SemiconductorField-EffectTransistor, metal-oxide layer-quasiconductor-field-effect transistor)。
In an embodiment of the present invention, as shown in Figure 1, first controls module 40 is connected with switch module 30, and first controls module 40 receives the control signal of the 3rd control module 60 with output drive signal control switch module 30 to control switch and the power on/off of heating module 10。Second controls module 50 is connected with fan 20, and the second control module 50 receives the control signal of the 3rd control module equally and is operated to control fan 20。
As shown in Figure 1,3rd controls module 60 is connected with the first control module 40 and the second control module 50 respectively, 3rd controls module 60 exports control signal and controls the first control module 40 and second respectively and control module 50 correspondingly output drive signal and be operated to control heating module 10 and fan 20, and now electric cooker entrance heat supplement is cooked rice over a slow fire pattern。Wherein, the 3rd control module 60 is main control module, it is possible to for MCU(MicroControlUnit, microcontroller)。
Preferably, in one embodiment of the invention, heating module 10 can for can automatically not keep the PTC(PositiveTemperatureCoefficient of temperature constant state, positive temperature coefficient by other temperature control parts) heater。
In one embodiment of the invention, as in figure 2 it is shown, when electric cooker entrance heat supplement cooks rice over a slow fire pattern, the workflow of electric cooker comprises the following steps:
S201, controls heating module and fan is simultaneously open-minded。
S202, controls to close after the t1 time opened by fan。
In step S201 and S202,3rd control module 60 controls heating module 10 and fan 20 works simultaneously so that air is preheated by heating module 10, and control fan 20 to work and close after the first preset time t 1, hot-air channel so can be made unobstructed, in order to make hot-air enter in electric rice cooker body。
S203, controls fan and closes the t2 time。
In this step, heating module 10 runs and makes air themperature rise very rapidly up to the temperature needed for heat supplement, owing to the characteristic of ptc heater makes air themperature be maintained at temperature constant state, it is no longer necessary to temperature sensor controls and regulates。
S204, controls fan open-minded。
In this step, hot-air is transported to the inside of electric cooker by fan 20 continuously, and rice is carried out heat supplement。
S205, it is judged that whether the stage of cooking rice over a slow fire terminates。If it is, perform next step S206；If it is not, then return step S204, continue rice is carried out heat supplement。
S206, controls heating module and fan cuts out。
In the present embodiment, heating module 10 is opened always and is operated, until the electric cooker process of cooking rice over a slow fire terminates。Wherein, after fan 20 works the first preset time t 1, the 3rd controls module 60 and controls fan 20 and close, and controls fan 20 after fan 20 cuts out the second preset time t 2 and again open the end until electric cooker is cooked rice over a slow fire。
Wherein, the time in stage of cooking rice over a slow fire can be adjusted according to meter Shui Liang, if meter Shui Liang is big, then accordingly strengthening during this period of time；If meter Shui Liang is little, then the corresponding length reduced during this period of time。The speed measuring and calculating that meter Shui Liang can rise according to rice temperature before cooking rice over a slow fire。
Preferably, in another embodiment of the present invention, in order to avoid causing running at process fan 20 of cooking rice over a slow fire having some setbacks because of fan 20 abnormality, and then the culinary art effect of rice is affected, before the stage of cooking rice over a slow fire starts, it is possible to the running status of fan 20 is detected。As it is shown on figure 3, the detection of fan is comprised the following steps:
S301, controls fan and opens the t0 time。
S302, the state of detection fan。
S303, controls fan and closes。
S304, it is judged that whether the stage of cooking rice over a slow fire starts。If it is, perform next step S305；If it does not, return step S304, continue to judge。
S305, it is judged that whether the duty of fan is normal。If it is, perform step S306；If it does not, perform step S307。
S306, controls electric cooker and enters heat supplement and cook rice over a slow fire pattern。
S307, controls electric cooker and enters common pattern of cooking rice over a slow fire。
In the present embodiment, 3rd control module 60 first controls fan 20 and opens the t0 time, receive running parameter such as rotating speed or total revolution information when the second fan 20 controlling module 50 feedback runs simultaneously, and judge whether fan 20 is in normal condition according to this information: when rotating speed or total revolution within the limits prescribed, then it is judged as normal condition, controls electric cooker and enter heat supplement and cook rice over a slow fire pattern；When rotating speed or total revolution not within the limits prescribed, then be judged as abnormality, control electric cooker and enter common pattern of cooking rice over a slow fire。That is, before electric cooker entrance heat supplement cooks rice over a slow fire pattern, second controls module 50 receives the running parameter of fan 20 feedback, and the running parameter of fan 20 is fed back to the 3rd control module 60,3rd controls module 60 detects the duty of fan 20 according to the running parameter of fan 20 and controls electric cooker when fan 20 operation irregularity and enter common pattern of cooking rice over a slow fire, and controls electric cooker when fan 20 is working properly and enter heat supplement and cook rice over a slow fire pattern。
By the running status of fan 20 is detected in real time, being prevented effectively from and cause the ropy problem of rice because of fan failure, it is more reasonable to control。
In one embodiment of the invention, as shown in Figure 4, when electric cooker enter common cook rice over a slow fire pattern time, the workflow of electric cooker comprises the following steps:
S401, controls electric cooker and enters common pattern of cooking rice over a slow fire。
S402, controls heating module and closes。
S403, controls fan and closes。
S404, it is judged that whether the stage of cooking rice over a slow fire terminates。If it is, perform next step S405；If it is not, then return step S404, proceed to judge。
S405, end of cooking rice over a slow fire。
It is to say, in the present embodiment, electric cooker common cook rice over a slow fire pattern time, the 3rd controls module 60 controls heating module 10 and fan 20 cuts out。
In addition, in order to further avoid because fan abnormality causes that rice culinary art effect is affected, heat supplement cook rice over a slow fire pattern the first step in, the real-time detection of fan running status can also be increased, if detection is normal condition, continue to run with, if detection is abnormality, module 60 controls heating module 10, fan 20 cuts out in 3rd control, until the stage of cooking rice over a slow fire terminates。
According to the electric cooker that the present invention proposes, after entrance heat supplement cooks rice over a slow fire pattern, the operation of the heat supplement system of electric cooker is carried out electric control, thus rice top is carried out heat supplement, it is effectively improved the quality on rice top, solve rice amount big time rice top shortage of heat, the ropy problem of rice, meet the living needs of people。Additionally, detect in real time also by the running status of fan, being prevented effectively from and cause the ropy problem of rice because of fan failure, it is more reasonable to control。
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention。In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example。And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example。
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can be carried out multiple change, amendment, replacement and modification without departing from the principles and spirit of the present invention, the scope of the invention and equivalency。
Claims (6)
1. an electric cooker, it is characterised in that including:
Heating module；
Fan；
Switch module, described switch module is connected with described heating module, and described switch module controls described heating module and is operated；
First controls module, and described first controls module is connected with described switch module, and described first controls module output drive signal controls described switch module to control the switch of described heating module；
Second controls module, and described second controls module is connected with described fan, and described second controls the module described fan of control is operated；And
3rd controls module, described 3rd controls module is connected with described first control module and described second control module respectively, described 3rd control module output control signal controls described first control module respectively and described second control module is operated to control described heating module and described fan, described electric cooker enters heat supplement and cooks rice over a slow fire pattern, wherein
Before described electric cooker entrance heat supplement cooks rice over a slow fire pattern, described second controls module receives the running parameter of described fan feedback, described 3rd controls module detects the duty of described fan according to described running parameter and controls the described electric cooker common pattern of cooking rice over a slow fire of entrance when described fan work exception, wherein, described 3rd control module is main control module。
2. electric cooker as claimed in claim 1, it is characterised in that: described 3rd control module controls described heating module and described fan works simultaneously so that air is preheated by described heating module, and makes hot-air enter in described electric rice cooker body。
3. electric cooker as claimed in claim 2, it is characterized in that: the described 3rd controls module and control described fan and close the second Preset Time after described fan work the first Preset Time, and after described fan cuts out described second Preset Time, control described fan open the end until described electric cooker is cooked rice over a slow fire。
4. electric cooker as claimed in claim 1, it is characterised in that: described electric cooker described common cook rice over a slow fire pattern time, the described 3rd controls module controls described heating module and described fan cuts out。
5. electric cooker as claimed in claim 1, it is characterised in that: described switch module is insulated gate bipolar transistor IGBT or metal-oxide layer-quasiconductor-field-effect transistor MOSFET。
6. the electric cooker as described in any one of claim 1-4, it is characterised in that: described heating module is ptc heater。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480589.0A CN103829773B (en) | 2012-11-22 | 2012-11-22 | A kind of electric cooker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210480589.0A CN103829773B (en) | 2012-11-22 | 2012-11-22 | A kind of electric cooker |
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| CN103829773A CN103829773A (en) | 2014-06-04 |
| CN103829773B true CN103829773B (en) | 2016-06-22 |
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| CN201210480589.0A Active CN103829773B (en) | 2012-11-22 | 2012-11-22 | A kind of electric cooker |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240180A (en) * | 2011-07-05 | 2011-11-16 | 佛山市顺德区美的电热电器制造有限公司 | Circuit board for IH (Indirect Heating) rice cooker |
| CN202515368U (en) * | 2012-01-13 | 2012-11-07 | 美的集团有限公司 | Thermostatic control's electric rice cooker hot air system |
| CN203016647U (en) * | 2012-11-22 | 2013-06-26 | 美的集团股份有限公司 | Electric cooker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112013005507B1 (en) * | 2010-09-10 | 2020-06-02 | Koninklijke Philips N.V | FOOD PREPARATION APPARATUS |
| JP5380479B2 (en) * | 2011-02-16 | 2014-01-08 | 日立アプライアンス株式会社 | rice cooker |
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- 2012-11-22 CN CN201210480589.0A patent/CN103829773B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240180A (en) * | 2011-07-05 | 2011-11-16 | 佛山市顺德区美的电热电器制造有限公司 | Circuit board for IH (Indirect Heating) rice cooker |
| CN202515368U (en) * | 2012-01-13 | 2012-11-07 | 美的集团有限公司 | Thermostatic control's electric rice cooker hot air system |
| CN203016647U (en) * | 2012-11-22 | 2013-06-26 | 美的集团股份有限公司 | Electric cooker |
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| CN103829773A (en) | 2014-06-04 |
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