CN105411416A - Power-based electric oven control method and control device and electric oven - Google Patents
Power-based electric oven control method and control device and electric oven Download PDFInfo
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- CN105411416A CN105411416A CN201510978991.5A CN201510978991A CN105411416A CN 105411416 A CN105411416 A CN 105411416A CN 201510978991 A CN201510978991 A CN 201510978991A CN 105411416 A CN105411416 A CN 105411416A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
Abstract
The invention discloses a power-based electric oven control method and control device and an electric oven. The control method includes the steps that the set temperature of the electric oven is acquired; when the electric oven is started to work, a heating pipe of the electric oven is controlled to work according to full power; before work of the electric oven ends, the temperature of a cavity of the electric oven is monitored; if the temperature of the cavity is higher than or equal to a first temperature and smaller than a set temperature, the heating pipe of the electric oven is controlled to work according to first power, wherein the first temperature is determined according to the relation between the set temperature and a preset temperature and is smaller than the set temperature, and first power is determined according to the relation between the full power and preset power and is smaller than the full power; if the temperature of the cavity reaches the set temperature, the heating pipe is closed. Due to the power-based electric oven control method and control device and the electric oven, the baking effect can be improved.
Description
Technical field
The present invention relates to electric oven technical field, specifically, particularly a kind of electric oven control method based on power, control device and electric oven.
Background technology
The electric oven used in the market is when controlling cavity inner temperature, what substantially use is all that the break-make of Control heating tube carrys out control chamber temperature, also be, when cavity temperature reaches design temperature, closed relay makes heating tube stop heating, lower than opening relay during design temperature, heating tube is heated to cavity.Adopt this temperature control strategy in conjunction with the working method of relay, when realizing the control of electric oven temperature, the state of heating tube only has two kinds: do not work and full power operation.
This working method is on cavity temperature controls, heating tube do not work or full power operation time, cavity temperature is very easy to occur too high too low phenomenon, there is following shortcoming: first, cavity temperature is frequent too high too low, carry out baking barbi effect for baking box inside to have a negative impact, cured effect is poor; The second, relay frequent movement, has a strong impact on its service life, and device is short for service life; 3rd, when heating tube total efficiency works, cause inside cavity temperature too high, cause burden to also add power consumption for casing heat radiation simultaneously.
For the above-mentioned problems in the prior art, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is to provide a kind of electric oven control method based on power, control device and electric oven, to solve the problem of cured effect difference in prior art.
On the one hand, the invention provides a kind of electric oven control method based on power, the method comprises: the design temperature obtaining electric oven; When electric oven unlatching work, control the heating tube of electric oven according to full power operation; Before electric oven power cut-off, the cavity temperature of monitoring electric oven; If cavity temperature is more than or equal to the first temperature and is less than design temperature, then control the heating tube of electric oven according to the first power work, wherein, first temperature is determined according to design temperature and preset temperature relation and is less than design temperature, and the first power is determined according to total power and predetermined power relation and is less than total power; And if cavity temperature reaches design temperature, then close heating tube.
Further, the method also comprises: the state picture gathering food in baking box; Obtain baking session information during acquisition state picture; Obtain the expectation picture corresponding with state picture according to baking session information, wherein, in electric oven, be preset with the expectation picture of food in the difference baking stage; And adjust predetermined power relation and/or preset temperature relation according to the comparison result of the expectation picture of state picture and acquisition.
Further, adjustment predetermined power relation comprises: if state picture lags behind the expectation picture of acquisition, then to the direction adjustment predetermined power relation of the value of increase first power; If state picture is ahead of the expectation picture of acquisition, then to the direction adjustment predetermined power relation of the value of reduction first power.
Further, adjustment preset temperature relation comprises: if state picture lags behind the expectation picture of acquisition, then to the direction adjustment preset temperature relation of the value of increase first temperature; If state picture is ahead of the expectation picture of acquisition, then to the direction adjustment predetermined power relation of the value of reduction first temperature.
Further, after first time closes heating tube, the step of the state picture gathering food in baking box is performed according to prefixed time interval.
Further, be preset with the expectation picture of food when having toasted in electric oven, the method also comprises: if state picture is consistent with expectation picture when having toasted, then control electric oven power cut-off.
Further, predetermined power relation and preset temperature relation are proportionate relationship.
On the other hand, the invention provides a kind of electric oven control device based on power, this device comprises: the first acquisition module, for obtaining the design temperature of electric oven; First control module, for when electric oven unlatching work, controls the heating tube of electric oven according to full power operation; Monitoring modular, for before electric oven power cut-off, the cavity temperature of monitoring electric oven; Second control module, be more than or equal to the first temperature for cavity temperature and be less than design temperature, then control the heating tube of electric oven according to the first power work, wherein, first temperature is determined according to design temperature and preset temperature relation and is less than design temperature, and the first power is determined according to total power and predetermined power relation and is less than total power; And the 3rd control module, reach design temperature for cavity temperature, then close heating tube.
Further, this device also comprises: acquisition module, for gathering the state picture of food in baking box;
Second acquisition module, for obtaining baking session information during acquisition state picture, and obtains the expectation picture corresponding with state picture according to baking session information, wherein, is preset with the expectation picture of food in the difference baking stage in electric oven; And adjusting module, the comparison result for the expectation picture according to state picture and acquisition adjusts predetermined power relation and/or preset temperature relation.
The third aspect, the invention provides a kind of electric oven, and this electric oven comprises: temperature collecting cell, for gathering the cavity temperature of electric oven; Maincenter control unit, is connected with temperature collecting cell, comprises any one electric oven control device that the application provides, for generating the power control information of heating tube; Heating tube unit, is connected with temperature collecting cell, comprises heating tube and peripheral components, for heating the inside cavity of electric oven; Power control unit, is connected with heating tube unit with maincenter control unit, for controlling the electrical quantity of heating tube according to power control information.
Further, this device also comprises: image acquisition units, is connected with maincenter control unit.
Further, power control unit is used for the dutycycle according to power control information adjustment power supply, and to adjust the virtual value of voltage, power control unit comprises bidirectional triode thyristor device and external circuit.
Pass through the present invention, predetermined power relation and preset temperature relation is stored in electric oven, can determine that is less than flat-out first power according to the total power of electric oven heating tube and predetermined power relation, design temperature when working according to electric oven and preset temperature relation can determine first temperature being less than design temperature, when electric oven unlatching work, first heating tube is controlled according to full power operation, when cavity temperature is equal to or greater than the first temperature and is less than design temperature, control heating tube according to the first power work, when cavity temperature reaches design temperature, close heating tube, thus realize regulating heating tube not work according to cavity temperature, full power operation or be less than full power operation, avoid cavity temperature frequently too high or too low, promote roasting food effect, solve the problem of cured effect difference in prior art.
Further, at electric oven duration of work, the state picture gathering food in baking box is compared with corresponding expectation picture, adjusts above-mentioned predetermined power relation and/or preset temperature relation, make the control of roasting food more intelligent and accurate according to comparison result.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of description, and can become apparent, below especially exemplified by the specific embodiment of the present invention to allow above and other objects of the present invention, feature and advantage.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred embodiment, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the flow chart of the electric oven control method based on power according to a first embodiment of the present invention;
Fig. 2 is the flow chart of the electric oven control method based on power according to a second embodiment of the present invention;
Fig. 3 is the block diagram of the electric oven control device based on power according to a fourth embodiment of the present invention; And
Fig. 4 is the block diagram of electric oven according to a fifth embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.It is pointed out that when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Embodiment one
First, the embodiment of the present invention one provides a kind of electric oven control method based on power, and see Fig. 1, the method can comprise the following steps:
Step S102: the design temperature obtaining electric oven.
Electric oven can be provided with the touch-screen receiving user's input temp parameters, the temperature value that touch-screen reception user manually inputs gets design temperature; Or be provided with radio communication receiver, receiving system receives user and obtains design temperature by the temperature value of the mobile communications device such as mobile phone, PAD input; Or the corresponding relation of preset food species and design temperature in the memory cell of electric oven, the touch-screen or mechanical button that receive the selection of user's food species are set simultaneously on electric oven, after user selects a certain food, the maincenter control unit of electric oven searches the design temperature corresponding with this food automatically from memory cell.
Step S104: open electric oven, the cavity temperature of monitoring electric oven.
Such as, after user presses the start button of baking box, electric oven unlatching work.After unlatching electric oven, until power cut-off, in real time or according to the cavity temperature of prefixed time interval monitoring baking box.Wherein, the condition of electric oven power cut-off can be the setting-up time time reaching electric oven, or meets the condition of other needs power cut-offs, and the application does not limit.
Preferably, expectation picture when multiple food original image and roasting food complete is prestored in the memory cell of electric oven, electric oven inside arranges image acquisition units, when electric oven unlatching work, first the state picture of food in baking box is gathered, the state picture collected first is first compared with food original image, determine food species, then the expectation picture when roasting food corresponding with the food species determined completes is obtained, at electric oven duration of work, continue the state picture gathering food in baking box, and the state picture collected period and roasting food expectation picture when completing compares, when the two is consistent, control electric oven power cut-off.
Or, the mapping relations of expectation picture when food species and the roasting food of prestoring in the memory cell of electric oven completes, electric oven inside arranges image acquisition units, before electric oven unlatching work, receive the food species of user's input, at electric oven duration of work, expectation picture when determining that corresponding roasting food completes according to the food species of user's input in the mapping relations stored, and gather the state picture of food in baking box, and the state picture collected period and roasting food expectation picture when completing compares, when the two is consistent, control electric oven power cut-off.
After unlatching electric oven, determine the first temperature according to design temperature and preset temperature relation, determine the first power according to total power and predetermined power relation.
The preset temperature relation at this place and predetermined power relation can be fixed value, also can be simultaneously or arbitrary be adjustable changing value.
Particularly, store preset temperature relation in the memory cell of electric oven, preferably, it is proportionate relationship that this preset temperature closes, such as 70%, and make between the first temperature of determining and design temperature proportional, conveniently to control; Or also can be difference relationship, such as-10 degree, or be other relations.No matter preset temperature relation adopts any form to realize, and is all less than design temperature according to the first temperature that design temperature and preset temperature relation are determined.
Particularly, store predetermined power relation in the memory cell of electric oven, preferably, it is proportionate relationship that this predetermined power closes, such as 30%, and make between the first power of determining and total power proportional, conveniently to control; Or also can be difference relationship, such as-100 watts, or be other relations.No matter predetermined power relation adopts any form to realize, and is all less than total power according to the first power that total power and predetermined power relation are determined.
Step S106: control the heating tube of electric oven according to full power operation.
When electric oven is started working, first control it and carry out work according to total power, raise fast to make cavity temperature.At electric oven duration of work, if cavity temperature is less than the first temperature, still keep the state of full power operation.
Step S108: the magnitude relationship judging cavity temperature and the first temperature and design temperature.
Wherein, at electric oven duration of work, a cavity temperature often detected, or every prefixed time interval, perform this determining step once.Perform after once judging, if cavity temperature is less than the first temperature, then continue to perform step S108; If cavity temperature is more than or equal to the first temperature, and is less than design temperature, then perform step S112; If cavity temperature reaches design temperature, then perform step S114.
Step S110: control the heating tube of electric oven according to the first power work.
When performing this step, if current cavity temperature belongs to the stage raised gradually, cavity temperature has had certain rising, but when also not reaching design temperature, reduced the power of heating tube by this step, slow down the speed that cavity temperature raises, avoid cavity temperature too high; When performing this step, if current cavity temperature belongs to the stage of reducing gradually, also namely cavity temperature reached design temperature, now make cavity temperature in reduction owing to closing heating tube, but when also not reducing a lot, by this step, heating tube is worked being less than under flat-out state, avoid cavity temperature to reduce fast and too low.
Step S112: close heating tube.
At electric oven duration of work, as long as cavity temperature reaches design temperature, namely perform this step, avoid temperature too high and affect roasting food effect.
Adopt this embodiment, can realize regulating according to cavity temperature that heating tube does not work, full power operation or be less than full power operation, avoid cavity temperature frequently too high or too low, promote roasting food effect.Meanwhile, the inside cavity temperature avoiding the work of heating tube long-time total efficiency to cause is too high, reduces casing heat radiation burden, reduces power consumption.
Embodiment two
This embodiment is the preferred electric oven control method based on power further on the basis of embodiment one, and see Fig. 2, the method can comprise the following steps:
Step S202: the design temperature obtaining electric oven.
Step S204: start electric oven and start working, the cavity temperature of monitoring electric oven.
Step S206: control the heating tube of electric oven according to full power operation.
Three above-mentioned steps are consistent with corresponding step in embodiment one, no longer review herein.
Step S208: obtain current preset temperature relation, determines the first temperature according to design temperature and current preset temperature relation, judges the magnitude relationship of cavity temperature and the first temperature and design temperature.
After the work of startup electric oven, when collecting cavity temperature, perform once this step S208 at every turn.The value of this preset temperature relation, along with the execution of following step S220, correspondingly to change to some extent.During this step of each execution, all with the value of current preset temperature relation for benchmark determines the first temperature.
Wherein, after performing this step S208, if do not reach the first temperature, then perform step S206, if reach the first temperature but do not reach design temperature, then perform step S210, if reach design temperature, then perform step S212.
Step S210: obtain current predetermined power relation, determines the first power according to total power and current predetermined power relation, controls the heating tube of electric oven according to the first power work.
When Current Temperatures reaches the first temperature, the power of current heated tube is adjusted.Specifically be adjusted to how many, determine according to total power and current predetermined power relation.The value of this predetermined power relation, along with the execution of following step S220, correspondingly to change to some extent.During this step of each execution, all with the value of current predetermined power relation for benchmark determines the first power.
Step S212: close heating tube.
At electric oven duration of work, as long as cavity temperature reaches design temperature, namely perform this step, avoid temperature too high and affect roasting food effect.
Step S214: the state picture gathering food in baking box.
This step after the work of startup electric oven, can perform with prefixed time interval; Or, in order under the prerequisite not affecting cured effect, and reduce data processing amount, preferably, after first time closes heating tube, perform this step according to prefixed time interval.
Step S216: obtain baking session information during acquisition state picture.
Such as, determine to toast session information with prefixed time interval during above-mentioned collection picture, first time gathers as the first stage, and second time gathers as second stage; Such as, open the time span of working time to electric oven with the current time of acquisition state picture, the time of also namely having toasted, determine to toast session information, having toasted a chronomere is the first stage, and having toasted Liang Ge chronomere is second stage, wherein, the length of a chronomere can be 5 points, and 10 grade, such as, set according to food species.
Step S218: obtain the expectation picture corresponding with state picture according to baking session information.
Wherein, the expectation picture of food in the difference baking stage is preset with in the memory cell of electric oven.Preferably, this expectation picture can input to the expectation picture of electric oven for user, such as, when user prepares to toast certain food, the expectation picture obtaining each baking stage of this group food of baking inputs to the memory cell of electric oven, and this step directly can obtain the expectation picture corresponding with state picture according to baking session information from memory cell.
Or preferably, this expectation picture also can for picture preset when electric oven dispatches from the factory.Wherein, food species can be inputted according to user and determine it is any food, then obtain the expectation picture corresponding with state picture according to baking session information further.
Step S220: the comparison result according to the expectation picture of state picture and acquisition adjusts predetermined power relation and preset temperature relation.
In this step, first carry out the comparison of picture, and then carry out the adjustment of predetermined power relation and preset temperature relation according to comparison result.
When picture comparison, arbitrary image processing method in prior art can be adopted, repeat no more herein.After picture comparison, can know whether current foodstuff baking meets expection and expect, if do not met, adjusts predetermined power relation and preset temperature relation, roasting food can be expected closer to expection.
Preferably, if state picture lags behind the expectation picture of acquisition, then to the direction adjustment predetermined power relation of the value of increase first power, make when performing step S210, electric oven is with relatively larger power work, delayed to compensate baking.
If state picture is ahead of the expectation picture of acquisition, then to the direction adjustment predetermined power relation of the value of reduction first power, make when performing step S210, electric oven is with relatively less power work, advanced to compensate baking.
If state picture lags behind the expectation picture of acquisition, then to the direction adjustment preset temperature relation of the value of increase first temperature, make to compare with the first larger temperature when performing step S208, and then the execution of step S210 is postponed at temperature ascent stage, the execution of depression of order section advancing step S210 at temperature, compensates baking delayed.
If state picture is ahead of the expectation picture of acquisition, then to the direction adjustment preset temperature relation of the value of reduction first temperature, make to compare with the first less temperature when performing step S208, and then in the execution of temperature ascent stage advancing step S210, depression of order section postpones the execution of step S210 at temperature, compensates baking advanced.
Step S222: if state picture is consistent with expectation picture when having toasted, then control electric oven power cut-off.
In the preferred embodiment, at electric oven duration of work, the state picture gathering food in baking box is compared with corresponding expectation picture, above-mentioned predetermined power relation and preset temperature relation is adjusted according to comparison result, thus realize automatic and intelligent cured effect control, make the control of roasting food more accurate, promote cured effect further.
Embodiment three
This embodiment is the preferred electric oven control method based on power further on the basis of embodiment one.The method can comprise the following steps:
1, open baking box, obtain design temperature according to food species and component.
Such as, be preset with the algorithm according to kind and component determination design temperature or mapping relations in the memory cell of electric oven, after user determines food species and component, can design temperature be determined.
2, open heating tube unit, make heating tube be operated in 100% power mode.
3, monitor baking box cavity temperature, whether reach design temperature 70%, reach and enter the 4th step, do not reach and get back to the 2nd step.
4, adjust heating tube power proportions, work on, concrete ratio is determined according to the empirical value of repetitive measurement.Such as reach 70% of design temperature first, heating tube power proportions is adjusted to 30%.
5, judge cavity inner temperature, whether reach design temperature, arrive and enter the 6th step, do not reach and get back to the 4th step.
6, close heating tube, open IMAQ simultaneously, the set time gathers dietary regimen picture and oven cavity internal temperature.
Whether, be enter 8th step, noly return the 4th step if 7, contrasting consistent by cavity temperature and design temperature in the set time.
8, the food regularly taken is cured state of progress picture and expect whether picture contrasts consistent, is to get back to the 6th step with process, noly enter the 9th step.
9, cure progress and the comparing result dynamic conditioning heating tube operating efficiency expecting to be in progress according to actual 8th step food is actual, delayed words strengthen heating tube ratio, and advanced words reduce heating tube ratio.
10, heating tube works according to actual adjustable strategies.
11, by the food actual photographed picture of taken at regular intervals with complete food picture and contrast uniformity, be enter the 12nd step, no repetition the 7th step.
12, terminate to cure process.
More than to the description carried out based on the electric oven control method of power provided by the present invention.Be described to the electric oven control device based on power provided by the invention below, it should be noted that, this device can be used for performing any one electric oven control method based on power above-mentioned.
Embodiment four
Corresponding with the electric oven control method based on power that the embodiment of the present invention one provides, the embodiment of the present invention additionally provides a kind of electric oven control device based on power, see Fig. 3, this device can comprise the first acquisition module 10, first control module 20, monitoring modular 30, second control module 40, the 3rd control module 50.
First acquisition module 10 is for obtaining the design temperature of electric oven; First control module 20, for when electric oven unlatching work, controls the heating tube of electric oven according to full power operation; Monitoring modular 30, for before electric oven power cut-off, monitors the cavity temperature of electric oven; Second control module 40 is more than or equal to the first temperature for cavity temperature and is less than design temperature, then control the heating tube of electric oven according to the first power work, wherein, first temperature is determined according to design temperature and preset temperature relation and is less than design temperature, and the first power is determined according to total power and predetermined power relation and is less than total power; 3rd control module 50 reaches design temperature for cavity temperature, then close heating tube.
Adopt this embodiment, can realize regulating according to cavity temperature that heating tube does not work, full power operation or be less than full power operation, avoid cavity temperature frequently too high or too low, promote roasting food effect.Meanwhile, the inside cavity temperature avoiding the work of heating tube long-time total efficiency to cause is too high, reduces casing heat radiation burden, reduces power consumption.
Preferably, this device also comprises: acquisition module, the second acquisition module and adjusting module.Wherein, acquisition module is for gathering the state picture of food in baking box; Second acquisition module for obtaining baking session information during acquisition state picture, and obtains the expectation picture corresponding with state picture according to baking session information, wherein, is preset with the expectation picture of food in the difference baking stage in electric oven; Adjusting module adjusts predetermined power relation and/or preset temperature relation for the comparison result of the expectation picture according to state picture and acquisition.
In the preferred embodiment, at electric oven duration of work, the state picture gathering food in baking box is compared with corresponding expectation picture, above-mentioned predetermined power relation and preset temperature relation is adjusted according to comparison result, thus realize automatic and intelligent cured effect control, make the control of roasting food more accurate, promote cured effect further.
Preferably, adjusting module specifically performs following steps: if state picture lags behind the expectation picture of acquisition, then to the direction adjustment predetermined power relation of the value of increase first power; If state picture is ahead of the expectation picture of acquisition, then to the direction adjustment predetermined power relation of the value of reduction first power.
Adopt the preferred embodiment, by adjustment predetermined power relation adjustment heating tube power, reach and compensate baking lag or lead, it is more accurate that cured effect controls.
Preferably, adjusting module specifically performs following steps: if state picture lags behind the expectation picture of acquisition, then to the direction adjustment preset temperature relation of the value of increase first temperature; If state picture is ahead of the expectation picture of acquisition, then to the direction adjustment predetermined power relation of the value of reduction first temperature.
Adopt the preferred embodiment, by the opportunity of adjustment preset temperature relation adjustment heating tube changed power, reach and compensate baking lag or lead, cured effect controls effectively simple.
Preferably, acquisition module, after first time closes heating tube, performs the step of the state picture gathering food in baking box according to prefixed time interval.
Adopt the preferred embodiment, avoid unnecessary data processing.
Preferably, be preset with the expectation picture of food when having toasted in electric oven, this device also comprises: the 4th control module, for when state picture is consistent with expectation picture when having toasted, controls electric oven power cut-off.
Adopt the preferred embodiment, can overbaking be avoided.
Preferably, predetermined power relation and preset temperature relation are proportionate relationship.
Adopt the preferred embodiment, the form setting predetermined power relation of passing ratio and preset temperature relation, convenient adjustment.
Embodiment five
This embodiment offers a kind of electric oven, as shown in Figure 4, this electric oven comprises temperature collecting cell, maincenter control unit, heating tube unit, power control unit and image acquisition units.
Image acquisition units is connected with maincenter control unit, is made up of built-in camera and peripheral circuit, completes roasting food state picture shooting and the collection of baking box inside.
Temperature collecting cell, for gathering the cavity temperature of electric oven, is made up of temperature sensor and peripheral circuit, completes the information gathering of oven cavity internal temperature.
Maincenter control unit temperature collecting cell is connected, comprise any one electric oven control device provided by the invention, for generating the power control information of heating tube, being made up of main MCU chip and peripheral circuit, completing issuing of all state-detection of baking box and control instruction.
Heating tube unit is connected with temperature collecting cell, comprises heating tube and peripheral components, for heating the inside cavity of electric oven.
Power control unit is connected with heating tube unit with maincenter control unit, for controlling the electrical quantity of heating tube according to power control information.
Preferably, power control unit is made up of bidirectional triode thyristor device and external circuit, for the dutycycle according to power control information adjustment power supply, to adjust the virtual value of voltage.
It is dynamically adjustable that this embodiment utilizes controllable silicon technology to realize heating tube power, by cavity inner temperature sensor, the camera inside the monitoring of warm field and baking box is adjusted in real time to the power of heating tube to dietary regimen monitoring duplex feedback, thus reach energy-conservation dual the most effective with food.
It should be noted that, said apparatus or system embodiment belong to preferred embodiment, and involved unit and module might not be that the application is necessary.
Each embodiment in this description all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For the device embodiment of the application, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any people being familiar with this technology is in the technical scope disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (12)
1., based on an electric oven control method for power, it is characterized in that, comprising:
Obtain the design temperature of electric oven;
When described electric oven unlatching work, control the heating tube of electric oven according to full power operation;
Before described electric oven power cut-off, the cavity temperature of monitoring electric oven;
If described cavity temperature is more than or equal to the first temperature and be less than described design temperature, then control the heating tube of described electric oven according to the first power work, wherein, described first temperature is determined according to described design temperature and preset temperature relation and is less than described design temperature, and described first power is determined according to described total power and predetermined power relation and is less than described total power; And
If described cavity temperature reaches described design temperature, then close described heating tube.
2. the electric oven control method based on power according to claim 1, it is characterized in that, described method also comprises:
Gather the state picture of food in described baking box;
Obtain baking session information when gathering described state picture;
Obtain the expectation picture corresponding with described state picture according to described baking session information, wherein, in described electric oven, be preset with the expectation picture of food in the difference baking stage; And
Comparison result according to the expectation picture of described state picture and described acquisition adjusts described predetermined power relation and/or described preset temperature relation.
3. the electric oven control method based on power according to claim 2, is characterized in that, adjusts described predetermined power relation and comprises:
If described state picture lags behind the expectation picture of described acquisition, then the direction to the value increasing described first power adjusts described predetermined power relation;
If described state picture is ahead of the expectation picture of described acquisition, then the direction to the value reducing described first power adjusts described predetermined power relation.
4. the electric oven control method based on power according to claim 2, is characterized in that, adjusts described preset temperature relation and comprises:
If described state picture lags behind the expectation picture of described acquisition, then the direction to the value increasing described first temperature adjusts described preset temperature relation;
If described state picture is ahead of the expectation picture of described acquisition, then the direction to the value reducing described first temperature adjusts described predetermined power relation.
5. the electric oven control method based on power according to claim 2, is characterized in that, after first time closes described heating tube, performs the step of the state picture of food in the described baking box of described collection according to prefixed time interval.
6. the electric oven control method based on power according to claim 2, is characterized in that, be preset with the expectation picture of food when having toasted in described electric oven, described method also comprises:
If expectation picture when described state picture completes with described baking is consistent, then control described electric oven power cut-off.
7. the electric oven control method based on power according to claim 1, is characterized in that, described predetermined power relation and described preset temperature relation are proportionate relationship.
8., based on an electric oven control device for power, it is characterized in that, comprising:
First acquisition module, for obtaining the design temperature of electric oven;
First control module, for when described electric oven unlatching work, controls the heating tube of electric oven according to full power operation;
Monitoring modular, for before described electric oven power cut-off, the cavity temperature of monitoring electric oven;
Second control module, be more than or equal to the first temperature for described cavity temperature and be less than described design temperature, then control the heating tube of described electric oven according to the first power work, wherein, described first temperature is determined according to described design temperature and preset temperature relation and is less than described design temperature, and described first power is determined according to described total power and predetermined power relation and is less than described total power; And
3rd control module, reaches described design temperature for described cavity temperature, then close described heating tube.
9. the electric oven control device based on power according to claim 8, it is characterized in that, described device also comprises:
Acquisition module, for gathering the state picture of food in described baking box;
Second acquisition module, for obtaining baking session information when gathering described state picture, and obtain the expectation picture corresponding with described state picture according to described baking session information, wherein, in described electric oven, be preset with the expectation picture of food in the difference baking stage; And
Adjusting module, the comparison result for the expectation picture according to described state picture and described acquisition adjusts described predetermined power relation and/or described preset temperature relation.
10. an electric oven, is characterized in that, comprising:
Temperature collecting cell, for gathering the cavity temperature of electric oven;
Maincenter control unit, is connected with described temperature collecting cell, comprises the electric oven control device according to any one of claim 8 to 10, for generating the power control information of heating tube;
Heating tube unit, is connected with described temperature collecting cell, comprises heating tube and peripheral components, for heating the inside cavity of described electric oven;
Power control unit, is connected with described heating tube unit with described maincenter control unit, for controlling the electrical quantity of described heating tube according to described power control information.
11. electric ovens according to claim 10, is characterized in that, described device also comprises:
Image acquisition units, is connected with described maincenter control unit.
12. electric ovens according to claim 10, it is characterized in that, described power control unit is used for the dutycycle according to described power control information adjustment power supply, and to adjust the virtual value of voltage, described power control unit comprises bidirectional triode thyristor device and external circuit.
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| CN105739559A (en) * | 2016-05-11 | 2016-07-06 | 北京小焙科技有限公司 | Temperature control method and system |
| CN106444894A (en) * | 2016-09-18 | 2017-02-22 | 珠海格力电器股份有限公司 | Temperature control method and heating equipment |
| CN106527566A (en) * | 2016-12-30 | 2017-03-22 | 广东美的厨房电器制造有限公司 | Power control device for heating apparatus and control method thereof |
| CN106580120A (en) * | 2016-12-23 | 2017-04-26 | 宁波方太厨具有限公司 | Oven capable of collecting food images |
| CN106901615A (en) * | 2017-02-23 | 2017-06-30 | 珠海格力电器股份有限公司 | Clean control method, device and the system of baking box |
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| CN106527566A (en) * | 2016-12-30 | 2017-03-22 | 广东美的厨房电器制造有限公司 | Power control device for heating apparatus and control method thereof |
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| CN108903682A (en) * | 2018-09-27 | 2018-11-30 | 广东美的厨房电器制造有限公司 | The control method and cooking appliance of cooking appliance |
| CN110037548A (en) * | 2019-04-29 | 2019-07-23 | 九阳股份有限公司 | A kind of temperature display method of insulating pot |
| CN110037548B (en) * | 2019-04-29 | 2021-02-02 | 九阳股份有限公司 | Temperature display method of electric kettle |
| CN110840282A (en) * | 2019-11-27 | 2020-02-28 | 广东美的厨房电器制造有限公司 | Control method and device of electric appliance, electric appliance and computer readable storage medium |
| CN111616167A (en) * | 2020-05-27 | 2020-09-04 | 广东智源机器人科技有限公司 | Oven temperature control method and system, oven and storage medium |
| CN111616167B (en) * | 2020-05-27 | 2021-09-03 | 广东智源机器人科技有限公司 | Oven temperature control method and system, oven and storage medium |
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| CN112890616A (en) * | 2021-02-04 | 2021-06-04 | 宁波嘉乐智能科技股份有限公司 | Low-temperature amplitude control method for air fryer |
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| CN114982793A (en) * | 2022-06-07 | 2022-09-02 | 阜阳职业技术学院 | Intelligent food baking method and device |
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