CN203016647U - Electric cooker - Google Patents
Electric cooker Download PDFInfo
- Publication number
- CN203016647U CN203016647U CN 201220625692 CN201220625692U CN203016647U CN 203016647 U CN203016647 U CN 203016647U CN 201220625692 CN201220625692 CN 201220625692 CN 201220625692 U CN201220625692 U CN 201220625692U CN 203016647 U CN203016647 U CN 203016647U
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- Prior art keywords
- control module
- module
- fan
- electric cooker
- control
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Abstract
The utility model discloses an electric cooker which comprises a heating module, a fan, a switch module, a first control module, a second control module and a third control module, wherein the switch module is connected with the heating module, the switch module controls the heating module to operate, the first control module is connected with the switch module, the first control module outputs a drive signal to control the switch module to control the heating module to be opened or closed, the second control module is connected with the fan, the second control module controls the fan to operate, the first control module and the second control module are respectively connected with the third control module, the third control module outputs control signals to respectively control the first control module and the second control module to control the heating module and the fan to operate, and the electric cooker enters a heat quantity supplement cooked rice mode. When rice is cooked in the electric cooker, heat quantity supplement can be carried out on the upper portion of the cooked rice, the quality of the upper portion of the cooked rice is improved, and living needs of people are met.
Description
Technical field
The utility model relates to household electrical appliance technical field, particularly a kind of electric cooker.
Background technology
Existing computerized electric cooker in order to cook more fragrant rice, is generally cooked rice over a slow fire the stage.In the stage of cooking rice over a slow fire, in order further to keep the gelatinization of rice, reach the better quality of rice, must continue to keep the temperature of rice near 100 degree.But if proceed bottom-heated, because the water in pot is very few, rice bottom may zoom; If cut down heating, adopts low heating power dutycycle, the energy supplement of rice is slack-off, rice top particularly, simultaneously due to evaporation endothermic, rice top energy supplement is more not enough, may cause the gelatinization deficiency, affects the quality of rice.
And people are when generally having a meal from eat on rice top, if rice top gelatinization is not enough, also can affect first impression even the rice bottom is nice, thereby affect people's quality of life.
The utility model content
The purpose of this utility model is, proposes a kind of quality that can carry out heat supplement to rice top when cooking rice over a slow fire, improve rice top, satisfies the electric cooker of people's living needs.
For achieving the above object, the electric cooker that the utility model proposes comprises: heating module; Fan; Switch module, described switch module is connected with described heating module, and described switch module is controlled described heating module and is carried out work; The first control module, described the first control module is connected with described switch module, and described the first control module output drive signal is controlled described switch module to control the switch of described heating module; The second control module, described the second control module is connected with described fan, and described the second control module is controlled described fan and is carried out work; And the 3rd control module, described the 3rd control module is connected with described the second control module with described the first control module respectively, described the 3rd control module output control signal is controlled respectively described the first control module and described the second control module controlling described heating module and described fan carries out work, and described electric cooker enters the heat supplement pattern of cooking rice over a slow fire.
According to the electric cooker that the utility model proposes, cook rice over a slow fire after pattern entering heat supplement, can carry out heat supplement to rice top, effectively improve the quality on rice top, rice top shortage of heat, the ropy problem of rice when the rice amount of having solved is large satisfy people's living needs.
In an embodiment of the present utility model, described the 3rd control module controls described heating module and described fan is worked simultaneously so that described heating module carries out preheating to air, and hot-air is entered in described electric rice cooker body.
And described the 3rd control module is controlled described fan and is closed the second Preset Time after described fan work the first Preset Time, and controls described fan and open the end until described electric cooker is cooked rice over a slow fire after described fan cuts out described the second Preset Time.
Preferably, in an embodiment of the present utility model, entering heat supplement at described electric cooker cooks rice over a slow fire before pattern, described the second control module receives the running parameter of described fan feedback, and described the 3rd control module detects the duty of described fan and control described electric cooker when described fan work is abnormal according to described running parameter and enters the common pattern of cooking rice over a slow fire.
Detect in real time by the running status to fan, effectively avoid because fan failure causes the ropy problem of rice, it is more reasonable to control.
In addition, in an embodiment of the present utility model, described electric cooker is described common cooking rice over a slow fire during pattern, and described the 3rd control module controls described heating module and described fan cuts out.
Preferably, in an example of the present utility model, described switch module can be insulated gate bipolar transistor IGBT or metal-oxide layer-semiconductor-field-effect transistor MOSFET.Described heating module can be ptc heater.
The aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or the additional aspect of the utility model and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is the structural representation according to the electric cooker of the utility model embodiment;
The workflow diagram of Fig. 2 for cooking rice over a slow fire according to the electric cooker of an embodiment of the utility model;
The flow chart of Fig. 3 in the process of cooking rice over a slow fire according to the electric cooker of a preferred embodiment of the utility model, fan being detected; And
Fig. 4 enters the control flow chart of the common pattern of cooking rice over a slow fire for the electric cooker according to an embodiment of the utility model.
Reference numeral:
The specific embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing hereinafter provides many different embodiment or example to be used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter parts and the setting of specific examples are described.Certainly, they are only example, and purpose does not lie in restriction the utility model.In addition, the utility model can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and purpose clearly, itself not indicate the relation between the various embodiment that discuss of institute and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the present utility model, need to prove, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be directly to be connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to following description and accompanying drawing, with these and other aspects of clear embodiment of the present utility model.In these descriptions and accompanying drawing, specifically disclose some specific implementations in embodiment of the present utility model, represent to implement some modes of the principle of embodiment of the present utility model, but should be appreciated that the scope of embodiment of the present utility model is not limited.On the contrary, embodiment of the present utility model comprises spirit and interior all changes, modification and the equivalent of intension scope that falls into additional claims.
The electric cooker that proposes according to the utility model embodiment is described with reference to the accompanying drawings.
As shown in Figure 1, the electric cooker of the utility model embodiment proposition comprises heating module 10, fan 20, switch module 30, the first control module 40, the second control module 50 and the 3rd control module 60.
Wherein, switch module 30 is connected with heating module 10, and switch module 30 is controlled heating module 10 and carried out work under the control of the driving signal of the first control module 40 outputs.In an embodiment of the present utility model, switch module 30 can be IGBT(Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) or MOSFET(Metal-Oxide-SemiconductorField-Effect Transistor, metal-oxide layer-semiconductor-field-effect transistor).
In embodiment of the present utility model, as shown in Figure 1, the first control module 40 is connected with switch module 30, and the switch that the control signal that the first control module 40 receives the 3rd control module 60 is controlled heating module 10 with output drive signal gauge tap module 30 is power on/off.The second control module 50 is connected with fan 20, and the same control signal that receives the 3rd control module of the second control module 50 is carried out work to control fan 20.
As shown in Figure 1, the 3rd control module 60 is connected with the second control module 50 with the first control module 40 respectively, the 3rd control module 60 output control signals control respectively the first control module 40 and the second control module 50 correspondingly output drive signal carry out work to control heating module 10 and fan 20, this moment, electric cooker entered the heat supplement pattern of cooking rice over a slow fire.Wherein, the 3rd control module 60 is main control module, can be MCU(Micro Control Unit, microcontroller).
Preferably, in an embodiment of the present utility model, heating module 10 can be for not keeping the PTC(Positive Temperature Coefficient of temperature constant state, positive temperature coefficient automatically by other temperature control parts) heater.
In an embodiment of the present utility model, as shown in Figure 2, enter heat supplement when cooking rice over a slow fire pattern at electric cooker, the workflow of electric cooker comprises the following steps:
S201 controls heating module and fan open-minded simultaneously.
S202, the control fan opens t1 and cuts out after the time.
In step S201 and S202, the 3rd control module 60 controls heating module 10 and fan 20 is worked simultaneously so that 10 pairs of air of heating module carry out preheating, and close after controlling fan 20 work the first preset time t 1, can make like this hot-air channel unobstructed, so that hot-air is entered in electric rice cooker body.
S203 controls fan and closes the t2 time.
In this step, heating module 10 operation makes air themperature rise to rapidly the required temperature of heat supplement, because the characteristic of ptc heater makes air themperature remain on temperature constant state, no longer needs temperature sensor to control and regulate.
S204 controls fan open-minded.
In this step, fan 20 constantly is transported to the inside of electric cooker in a steady stream with hot-air, and rice is carried out heat supplement.
S205, whether the judgement stage of cooking rice over a slow fire finishes.If so, carry out next step S206; If not, return to step S204, continue rice is carried out heat supplement.
S206 controls heating module and fan and closes.
In the present embodiment, heating module 10 is opened always and is carried out work, and process finishes until electric cooker is cooked rice over a slow fire.Wherein, the 3rd control module 60 control fans 20 cut out after fan 20 work the first preset time t 1, and close the second rear control fan 20 of preset time t 2 at fan 20 and again open the end until electric cooker is cooked rice over a slow fire.
Wherein, the time in the stage of cooking rice over a slow fire can be adjusted according to Mi Shuiliang, if Mi Shuiliang is large, accordingly strengthening during this period of time; If Mi Shuiliang is little, reduce accordingly length during this period of time.The speed measuring and calculating that Mi Shuiliang can rise according to the rice temperature before cooking rice over a slow fire.
Preferably, in another embodiment of the present utility model, have some setbacks for fear of causing because of fan 20 abnormalities moving at the process fan 20 of cooking rice over a slow fire, and then affect the culinary art effect of rice, before the stage of cooking rice over a slow fire begins, can the running status of fan 20 be detected.As shown in Figure 3, the detection of fan comprised the following steps:
S301 controls fan and opens the t0 time.
S302, the state of detection fan.
S303 controls fan and closes.
S304, whether the judgement stage of cooking rice over a slow fire begins.If so, carry out next step S305; If not, return to step S304, continue judgement.
S305 judges whether the duty of fan is normal.If so, execution in step S306; If not, execution in step S307.
S306 controls electric cooker and enters the heat supplement pattern of cooking rice over a slow fire.
S307 controls electric cooker and enters the common pattern of cooking rice over a slow fire.
In the present embodiment, the 3rd control module 60 is first controlled fan 20 and is opened the t0 time, for example rotating speed or total revolution information of running parameter when receiving simultaneously fan 20 operation of the second control module 50 feedback, and judge according to this information whether fan 20 is in normal condition: when rotating speed or total revolution within the limits prescribed, be judged as normal condition, control electric cooker and enter the heat supplement pattern of cooking rice over a slow fire; When rotating speed or total revolution not within the limits prescribed, be judged as abnormality, control electric cooker and enter the common pattern of cooking rice over a slow fire.That is to say, entering heat supplement at electric cooker cooks rice over a slow fire before pattern, the second control module 50 receives the running parameter of fan 20 feedbacks, and the running parameter of fan 20 is fed back to the 3rd control module 60, the 3rd control module 60 detects the duty of fan 20 and controls electric cooker when fan 20 operation irregularity according to the running parameter of fan 20 and enters the common pattern of cooking rice over a slow fire, and controls electric cooker enter the heat supplement pattern of cooking rice over a slow fire when fan 20 is working properly.
Detect in real time by the running status to fan 20, effectively avoid because fan failure causes the ropy problem of rice, it is more reasonable to control.
In an embodiment of the present utility model, as shown in Figure 4, when electric cooker enters common cooking rice over a slow fire during pattern, the workflow of electric cooker comprises the following steps:
S401 controls electric cooker and enters the common pattern of cooking rice over a slow fire.
S402 controls heating module and closes.
S403 controls fan and closes.
S404, whether the judgement stage of cooking rice over a slow fire finishes.If so, carry out next step S405; If not, return to step S404, proceed judgement.
S405, the end of cooking rice over a slow fire.
That is to say, in the present embodiment, electric cooker is cooked rice over a slow fire during pattern common, and the 3rd control module 60 controls heating modules 10 and fan 20 cuts out.
In addition, in order further to avoid being affected because the fan abnormality causes rice culinary art effect, in heat supplement is cooked rice over a slow fire the first step of pattern, also can increase the real-time detection of fan running status, be normal condition as detecting, continue operation, be abnormality as detecting, the 3rd control module 60 is controlled heating module 10, fan 20 cuts out, until the stage of cooking rice over a slow fire finishes.
According to the electric cooker that the utility model proposes, cook rice over a slow fire after pattern entering heat supplement, electric control is carried out in operation to the heat supplement system of electric cooker, thereby to rice top carrying out heat supplement, effectively improve the quality on rice top, rice top shortage of heat, the ropy problem of rice when the rice amount of having solved is large satisfy people's living needs.In addition, also detect in real time by the running status to fan, effectively avoid because fan failure causes the ropy problem of rice, it is more reasonable to control.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that do not break away from principle of the present utility model and spirit can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is by claims and be equal to and limit.
Claims (7)
1. an electric cooker, is characterized in that, comprising:
Heating module;
Fan;
Switch module, described switch module is connected with described heating module, and described switch module is controlled described heating module and is carried out work;
The first control module, described the first control module is connected with described switch module, and described the first control module output drive signal is controlled described switch module to control the switch of described heating module;
The second control module, described the second control module is connected with described fan, and described the second control module is controlled described fan and is carried out work; And
The 3rd control module, described the 3rd control module is connected with described the second control module with described the first control module respectively, described the 3rd control module output control signal is controlled respectively described the first control module and described the second control module controlling described heating module and described fan carries out work, and described electric cooker enters the heat supplement pattern of cooking rice over a slow fire.
2. electric cooker as claimed in claim 1 is characterized in that: described the 3rd control module controls described heating module and described fan is worked simultaneously so that described heating module carries out preheating to air, and hot-air is entered in described electric rice cooker body.
3. electric cooker as claimed in claim 2, it is characterized in that: described the 3rd control module is controlled described fan and is closed the second Preset Time after described fan work the first Preset Time, and controls described fan and open the end until described electric cooker is cooked rice over a slow fire after described fan cuts out described the second Preset Time.
4. electric cooker as claimed in claim 1, it is characterized in that: enter heat supplement at described electric cooker and cook rice over a slow fire before pattern, described the second control module receives the running parameter of described fan feedback, and described the 3rd control module detects the duty of described fan and control described electric cooker when described fan work is abnormal according to described running parameter and enters the common pattern of cooking rice over a slow fire.
5. electric cooker as claimed in claim 4 is characterized in that: described electric cooker is described common cooking rice over a slow fire during pattern, and described the 3rd control module controls described heating module and described fan cuts out.
6. electric cooker as claimed in claim 1, it is characterized in that: described switch module is insulated gate bipolar transistor IGBT or metal-oxide layer-semiconductor-field-effect transistor MOSFET.
7. as the described electric cooker of claim 1-5 any one, it is characterized in that: described heating module is ptc heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625692 CN203016647U (en) | 2012-11-22 | 2012-11-22 | Electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625692 CN203016647U (en) | 2012-11-22 | 2012-11-22 | Electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203016647U true CN203016647U (en) | 2013-06-26 |
Family
ID=48640672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220625692 Expired - Lifetime CN203016647U (en) | 2012-11-22 | 2012-11-22 | Electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203016647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103829773A (en) * | 2012-11-22 | 2014-06-04 | 美的集团股份有限公司 | Electric cooker |
-
2012
- 2012-11-22 CN CN 201220625692 patent/CN203016647U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103829773A (en) * | 2012-11-22 | 2014-06-04 | 美的集团股份有限公司 | Electric cooker |
| CN103829773B (en) * | 2012-11-22 | 2016-06-22 | 美的集团股份有限公司 | A kind of electric cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |