CN101828856A - Electric cooker - Google Patents
Electric cookerDownload PDFInfo
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- CN101828856A CN101828856ACN 201010150084CN201010150084ACN101828856ACN 101828856 ACN101828856 ACN 101828856ACN 201010150084CN201010150084CN 201010150084CN 201010150084 ACN201010150084 ACN 201010150084ACN 101828856 ACN101828856 ACN 101828856A
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- 238000010411cookingMethods0.000claimsdescription20
- 230000008054signal transmissionEffects0.000claimsdescription15
- 230000000295complement effectEffects0.000claimsdescription3
- 238000001514detection methodMethods0.000claimsdescription3
- 239000011229interlayerSubstances0.000claimsdescription3
- 235000013305foodNutrition0.000abstractdescription11
- 238000010438heat treatmentMethods0.000abstractdescription7
- 238000010586diagramMethods0.000description12
- 230000000694effectsEffects0.000description8
- 230000010354integrationEffects0.000description7
- 230000001276controlling effectEffects0.000description6
- 230000000052comparative effectEffects0.000description4
- 230000036760body temperatureEffects0.000description3
- 230000008859changeEffects0.000description2
- 238000005516engineering processMethods0.000description2
- 238000000034methodMethods0.000description2
- 230000008569processEffects0.000description2
- 230000005540biological transmissionEffects0.000description1
- 238000013461designMethods0.000description1
- 230000036541healthEffects0.000description1
- 230000006872improvementEffects0.000description1
- 230000005764inhibitory processEffects0.000description1
- 238000005259measurementMethods0.000description1
- 230000004048modificationEffects0.000description1
- 238000012986modificationMethods0.000description1
- 230000001105regulatory effectEffects0.000description1
- 238000011160researchMethods0.000description1
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Abstract
Description
Technical field
The application relates to a kind of cooker, particularly relates to a kind of electric cooking appliance.
Background technology
People more and more pay attention to the food mouthfeel, and health is also more and more paid attention to, and adopt temperature control accurately to cook more and more important to people.
Electromagnetic oven product in the market is arranged on temperature sensor below the electromagnetic oven panel usually, utilizes temperature sensor to measure the temperature of electromagnetic oven, is transferred to temperature-control circuit again the electromagnetic oven temperature is controlled.
By to prior art research, the applicant finds that when existing electromagnetic oven was cooked, the temperature of measurement was the electromagnetic oven stove body temperature, rather than directly measured the temperature of food.When this just causes cooking, the electromagnetic oven stove body temperature can be controlled at preset temperature, and the actual temperature of food is uncontrollable, especially when food species, Volume Changes are big, the actual temperature of food has nothing in common with each other when cooking, and has a strong impact on the mouthfeel of cook effect and food.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of electric cooking appliance,
A kind of electric cooking appliance comprises: have the double boiler body and the electromagnetic oven body of heater of handle,
Described pot body comprises:
First temperature sensor of described bottom of pot body interlayer is set;
First temperature measurement circuit that links to each other with described first temperature sensor;
The wireless signal transmission circuit that links to each other with described temperature measurement circuit;
The dc source that links to each other with described first temperature sensor, described temperature measurement circuit, described wireless signal transmission circuit,
Described electromagnetic oven body of heater comprises:
The wireless signal receiving circuit that is complementary with described wireless signal transmission circuit;
The temperature-control circuit that links to each other with described wireless signal receiving circuit;
The drive circuit that links to each other and controlled by described temperature-control circuit output signal with described temperature-control circuit;
The solenoid that links to each other with described drive circuit;
The power circuit that links to each other with described wireless signal receiving circuit, temperature-control circuit, drive circuit and solenoid.
Preferably, described first temperature measurement circuit, wireless signal transmission circuit and dc source are installed in the described pot body handle.
Preferably, described electromagnetic oven body of heater further comprises:
Second temperature sensor;
Second temperature measurement circuit that links to each other and link to each other with described second temperature sensor with described temperature-control circuit.
Preferably, described temperature-control circuit is connected with described second temperature measurement circuit with described wireless signal receiving circuit by mode selection switch.
Preferably, described pot body further comprises: first temperature indicator that links to each other with first temperature measurement circuit.
Preferably, described electromagnetic oven body of heater further comprises:
The safety detection circuit that links to each other with described temperature-control circuit.
Preferably, described electromagnetic oven body of heater further comprises:
The temperature programmable button that links to each other with described temperature control.
Preferably, described electromagnetic oven body of heater further comprises:
The power display or second temperature indicator that link to each other with described temperature control.
Preferably, the mode of described temperature-control circuit control temperature comprises: break-make return difference control mode and/or ratio calculus control mode.
Preferably, described wireless signal comprises: infrared signal, RF signal and/or Bluetooth signal.
The technical scheme that the embodiment of the present application provides, in the electromagnetic oven body of heater and on the pot body, all be provided with temperature sensor, when the needs accurate temperature controlling, mode selection switch pushes " accurately " gear, the interior temperature-control circuit of electromagnetic oven body of heater this moment receives the signal of wireless signal receiving circuit, and with temperature value in the signal that receives and preset temperature value comparison, power output according to comparative result control drive circuit, and then the heating-up temperature of control electromagnetic oven, guarantee that food can remain on stationary temperature, to reach the effect of better cooking.
In addition, when not needing accurate temperature controlling, mode selection switch can also be pushed " routine " gear, the interior temperature-control circuit of body of heater this moment receives the signal of second temperature measurement circuit, and with temperature value in the signal that receives and default temperature value comparison, according to the power output of comparative result control drive circuit, and then the heating-up temperature of control electromagnetic oven.Electromagnetic oven is when this gear, and the pot body can be selected the ordinary pan body, and electromagnetic oven is equivalent to common electromagnetic oven.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the electric cooking appliance that Fig. 1 provides for the embodiment of the present application;
Fig. 2 for the embodiment of the present application provide the pot body electrical block diagram;
A kind of electrical block diagram of the electromagnetic oven body of heater that Fig. 3 provides for the embodiment of the present application;
Fig. 4 is the schematic diagram of break-make return difference control mode;
Fig. 5 is the schematic diagram of ratio calculus control mode;
The another kind of electrical block diagram of electromagnetic oven body of heater that Fig. 6 provides for the embodiment of the present application;
The third electrical block diagram of electromagnetic oven body of heater that Fig. 7 provides for the embodiment of the present application.
The specific embodiment
In order to make those skilled in the art person understand technical scheme among the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one:
The structural representation of the electric cooking appliance that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the electric cooking appliance that the embodiment of the present application provides comprises:pot body 1 and electromagnetic oven body ofheater 8, and wherein,pot body 1 is the double boiler body, it is provided with handle 2.In the interlayer of the bottom ofpot body 1, be provided withfirst temperature sensor 3, in handle 2, be provided with firsttemperature measurement circuit 4, wirelesssignal transmission circuit 5 anddc source 6.
Fig. 2 for the embodiment of the present application provide the pot body electrical block diagram.
As shown in Figure 2,first temperature sensor 3 is used to detect the temperature ofpot body 1, detected temperature signal is an analog signal, and detected temperature signal is transferred in firsttemperature measurement circuit 4, the temperature signal that firsttemperature measurement circuit 4 is used for receiving is converted to data signal, and launch by wirelesssignal transmission circuit 5,dc source 6 is used for providing power supply tofirst temperature sensor 3, firsttemperature measurement circuit 4 and wireless signal transmission circuit 5.In the embodiment of the present application, first temperature measurement circuit is preferably MCU (MicroControl Unit, micro-control unit) temperature control system.
A kind of electrical block diagram of electromagnetic oven body of heater that Fig. 3 provides for the embodiment of the present application.
As shown in Figure 3, electromagnetic oven body ofheater 8 comprises: wirelesssignal receiving circuit 9, temperature-control circuit 10,drive circuit 11,solenoid 12 and power circuit 13.Wherein: wirelesssignal transmission circuit 5 is to be complementary on wirelesssignal receiving circuit 9 and thepot body 1, be used to receive the signal of wirelesssignal transmission circuit 5 emissions, and give temperature-control circuit 10 with the digital data transmission that receives, temperature-control circuit 10 is used for according to the signal output control signal that receives, and control signal sent to drivecircuit 11,drive circuit 11 is according to the power of the controlsignal control solenoid 12 that receives, and then realization is to the temperature controlling of electromagnetic oven body of heater 8.Power circuit 13 is used for providing power supply to wirelesssignal receiving circuit 9, temperature-control circuit 10,drive circuit 11 and solenoid 12.In the embodiment of the present application, temperature-control circuit 10 is preferably the MCU temperature-control circuit.
The wireless signal system that the embodiment of the present application wirelesssignal transmission circuit 5 and wirelesssignal receiving circuit 9 are formed is including, but not limited to infrared and radio system, RF wireless system, blue teeth wireless system.In the embodiment of the present application, wirelesssignal transmission circuit 5 adopts the infrared signal radiating circuit, and wirelesssignal receiving circuit 9 correspondingly adopts the infrared signal receiving circuit.
In the embodiment of the present application, the mode of temperature-control circuit 10 control temperature comprises: break-make return difference control mode and ratio calculus control mode, wherein: Fig. 4 is the schematic diagram of break-make return difference control mode.As shown in Figure 4, break-make return difference control mode is: when temperature is elevated to target temperature T and adds the temperature spot of return difference X (return difference value X adjustable size joint), and the signal that temperature-control circuit 10 outputs stop to heat,solenoid 12 stops heating; After a period of time, temperature is reduced to target temperature T when deducting the temperature spot of return difference X, the signal that temperature-control circuit 10 outputs begin to heat, andsolenoid 12 begins heating, and circulation so successively promptly can keep the stable of temperature.Fig. 5 is the schematic diagram of ratio calculus control mode.As shown in Figure 5, T0 is an initial temperature among the figure, T is a target temperature, I is the low precision heating curve of prestissimo, II is a normal speed general precision heating curve, III is jogging speed high accuracy heating curve, and ratio calculus PID control is exactly the error according to system, and proportion of utilization, integration, difference gauge calculate that controlled quentity controlled variable controls.Ratio (P) control is the simplest a kind of control mode.The output of its controller and the proportional relation of error originated from input signal.There is steady-state error in system's output when proportional control only.In integration (I) control, the output of controller and error originated from input signal be integrated into proportional relation.In order to eliminate steady-state error, in controller, must introduce " integration item ".The integration item depends on the integration of time to error, and along with the increase of time, the integration item can increase.Like this, even if error is very little, the integration item also can strengthen along with the increase of time, and the output increase that it promotes controller further reduces steady-state error, up to equalling zero.Therefore, proportional+integral (PI) controller can make system not have steady-state error after entering stable state.In differential (I) control, the differential of the output of controller and error originated from input signal (being the error change rate) is proportional.Vibration even unstability may appear in automatic control system in overcoming the adjustment process of error.Its reason is owing to have big inertia assembly (link) or lag module is arranged, and has the effect that suppresses error, and its variation always lags behind error change.The way that solves is the variation " in advance " that makes the effect that suppresses error, promptly in error near zero the time, the effect that suppresses error just should be zero.In other words, it is not enough often only to introduce " ratio " item in controller, the effect of proportional only is the amplitude of fault in enlargement, and what need at present to increase is " differential term ", the trend that its can predicated error changes, like this, controller with ratio+differential, the effect of inhibition error Control is equalled zero, even be negative value, thereby avoid the serious overshoot of controlled volume.So to the controlled device of big inertia or hysteresis is arranged, ratio+differential (PD) controller can the dynamic characteristic of improvement system in adjustment process.Comparison diagram 4 and Fig. 5 as can be known, the control accuracy of ratio calculus control mode is higher, in the embodiment of the present application, temperature-control circuit 10 adopts ratio calculus control modes to control temperature.
Embodiment two:
The another kind of electrical block diagram of electromagnetic oven body of heater that Fig. 6 provides for the embodiment of the present application.
As shown in Figure 6, the electromagnetic oven body ofheater 8 that provides of the embodiment of the present application also comprises:second temperature transducer 14 and temperature-control circuit 15.Whereinsecond temperature transducer 14 is used to measure the temperature ofsolenoid 12, and temperature signal is sent to second temperature measurement circuit, 15, the secondtemperature measurement circuits 15 temperature signal is sent to temperature-control circuit 10; Temperature-control circuit 10 is used for exporting control signal according to the temperature signal that secondtemperature measurement circuit 15 sends,control drive circuit 11 is used to receive the control signal of temperature-control circuit 10, and according to the power of controlsignal control solenoid 12, and then also can realize temperature controlling to electromagnetic oven body ofheater 8.
As shown in Figure 7, electromagnetic oven body ofheater 8 also comprises:mode selection switch 16, temperature-control circuit 10 links to each other with secondtemperature measurement circuit 15 with wirelesssignal receiving circuit 9 bymode selection switch 16, whenmode selection switch 16 is in " accurately " gear, temperature-control circuit 10 receives the signal of wirelesssignal receiving circuit 9, whenmode selection switch 16 was in " routine " gear, temperature-control circuit 10 received the signal of second temperature measurement circuit 15.Therefore when the user needs accurately to control the temperature of food, mode selection switch can be pushed " accurately " gear, the temperature of electromagnetic oven body ofheater 8 is regulated according to the temperature ofpot body 1 at this moment.When being used for not needing accurately to control the temperature of food, just mode selection switch can be pushed " routine " gear, this moment, electromagnetic oven body ofheater 8 was the same with common electromagnetic oven, carried out self-control according to stove body temperature.
In other embodiments, the electric cooking appliance that the embodiment of the present application provides,pot body 1 also comprises: first temperature indicator 7, link to each other with firsttemperature measurement circuit 4, be used to show the real time temperature ofpot body 1, as shown in Figure 1.
Electromagnetic oven body ofheater 8 also comprises: the power display or second temperature indicator 17, link to each other with secondtemperature measurement circuit 15, and be used for display setting power or design temperature, as shown in Figure 7.
Safety detection circuit 18 links to each other with temperature-control circuit 13, is used for not having pot and reports to the police or high temperature alarm, as shown in Figure 7.
Temperature programmable button 19 links to each other with temperature-control circuit 10, is used for to the default temperature value of temperature-control circuit 10 inputs, as shown in Figure 7.
The technical scheme that the embodiment of the present application provides, in the electromagnetic oven body of heater and on the pot body, all be provided with temperature sensor, when the needs accurate temperature controlling, mode selection switch pushes " accurately " gear, the interior temperature-control circuit of electromagnetic oven body of heater this moment receives the signal of wireless signal receiving circuit, and with temperature value in the signal that receives and preset temperature value comparison, power output according to comparative result control drive circuit, and then the heating-up temperature of control electromagnetic oven, guarantee that food can remain on stationary temperature, to reach the effect of better cooking.
In addition, when not needing accurate temperature controlling, mode selection switch can also be pushed " routine " gear, the interior temperature-control circuit of body of heater this moment receives the signal of second temperature measurement circuit, and with temperature value in the signal that receives and default temperature value comparison, according to the power output of comparative result control drive circuit, and then the heating-up temperature of control electromagnetic oven.Electromagnetic oven is when this gear, and the pot body can be selected the ordinary pan body, and electromagnetic oven is equivalent to common electromagnetic oven.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined herein General Principle can realize under the situation of the spirit or scope that do not break away from the application in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. electric cooking appliance comprises: has the double boiler body and the electromagnetic oven body of heater of handle, it is characterized in that,
Described pot body comprises:
First temperature sensor of described bottom of pot body interlayer is set;
First temperature measurement circuit that links to each other with described first temperature sensor;
The wireless signal transmission circuit that links to each other with described temperature measurement circuit;
The dc source that links to each other with described first temperature sensor, described temperature measurement circuit, described wireless signal transmission circuit,
Described electromagnetic oven body of heater comprises:
The wireless signal receiving circuit that is complementary with described wireless signal transmission circuit;
The temperature-control circuit that links to each other with described wireless signal receiving circuit;
The drive circuit that links to each other and controlled by described temperature-control circuit output signal with described temperature-control circuit;
The solenoid that links to each other with described drive circuit;
The power circuit that links to each other with described wireless signal receiving circuit, temperature-control circuit, drive circuit and solenoid.
2. electric cooking appliance according to claim 1 is characterized in that, described first temperature measurement circuit, wireless signal transmission circuit and dc source are installed in the described pot body handle.
3. electric cooking appliance according to claim 2 is characterized in that, described electromagnetic oven body of heater further comprises:
Second temperature sensor;
Second temperature measurement circuit that links to each other and link to each other with described second temperature sensor with described temperature-control circuit.
4. electric cooking appliance according to claim 3 is characterized in that, described temperature-control circuit is connected with described second temperature measurement circuit with described wireless signal receiving circuit by mode selection switch.
5. electric cooking appliance according to claim 2 is characterized in that, described pot body further comprises: first temperature indicator that links to each other with first temperature measurement circuit.
6. electric cooking appliance according to claim 2 is characterized in that, described electromagnetic oven body of heater further comprises:
The safety detection circuit that links to each other with described temperature-control circuit.
7. electric cooking appliance according to claim 2 is characterized in that, described electromagnetic oven body of heater further comprises:
The temperature programmable button that links to each other with described temperature control.
8. electric cooking appliance according to claim 2 is characterized in that, described electromagnetic oven body of heater further comprises:
The power display or second temperature indicator that link to each other with described temperature control.
9. device according to claim 2 is characterized in that, the mode of described temperature-control circuit control temperature comprises: break-make return difference control mode and/or ratio calculus control mode.
10. system according to claim 2 is characterized in that, described wireless signal comprises: infrared signal, RF signal and/or Bluetooth signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010150084CN101828856A (en) | 2010-04-15 | 2010-04-15 | Electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010150084CN101828856A (en) | 2010-04-15 | 2010-04-15 | Electric cooker |
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| CN101828856Atrue CN101828856A (en) | 2010-09-15 |
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| CN 201010150084PendingCN101828856A (en) | 2010-04-15 | 2010-04-15 | Electric cooker |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102151069A (en)* | 2011-01-18 | 2011-08-17 | 晶辉科技（深圳）有限公司 | Special soup pot of electromagnetic oven |
| CN102293582A (en)* | 2011-07-23 | 2011-12-28 | 美的集团有限公司 | Temperature measuring pot |
| CN102997299A (en)* | 2012-11-30 | 2013-03-27 | 胡一 | Temperature control device and temperature control method for induction cooker |
| CN103263224A (en)* | 2013-05-10 | 2013-08-28 | 浙江绍兴苏泊尔生活电器有限公司 | Electric heating device, electric cooker and wireless temperature control method |
| CN104095552A (en)* | 2014-08-01 | 2014-10-15 | 付德明 | Temperature control system of cookware of induction cooker |
| AT517611A4 (en)* | 2015-09-15 | 2017-03-15 | Fluxron Solutions Ag | Koch auxiliary device |
| AT517723A1 (en)* | 2015-09-15 | 2017-04-15 | Fluxron Solutions Ag | Koch auxiliary device |
| CN107084411A (en)* | 2017-05-26 | 2017-08-22 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of electromagnetic oven cooker |
| CN108870475A (en)* | 2017-05-11 | 2018-11-23 | 佛山市顺德区美的电热电器制造有限公司 | Method for heating and controlling, heating control apparatus and the electromagnetic oven of electromagnetic oven |
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| CN110617507A (en)* | 2018-06-19 | 2019-12-27 | 佛山市顺德区美的电热电器制造有限公司 | Overflow control method, heating equipment and storage medium |
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| CN111026195A (en)* | 2019-12-30 | 2020-04-17 | 广东美控电子科技有限公司 | A power control device and method for an oven |
| CN111336551A (en)* | 2019-04-11 | 2020-06-26 | 佛山舒顺电器科技有限公司 | Electromagnetic oven with wireless temperature signal transmission function |
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| CN102151069A (en)* | 2011-01-18 | 2011-08-17 | 晶辉科技（深圳）有限公司 | Special soup pot of electromagnetic oven |
| CN102293582A (en)* | 2011-07-23 | 2011-12-28 | 美的集团有限公司 | Temperature measuring pot |
| CN102997299A (en)* | 2012-11-30 | 2013-03-27 | 胡一 | Temperature control device and temperature control method for induction cooker |
| CN103263224A (en)* | 2013-05-10 | 2013-08-28 | 浙江绍兴苏泊尔生活电器有限公司 | Electric heating device, electric cooker and wireless temperature control method |
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