CN100343583C - Microwave oven defrosting control method - Google Patents
Microwave oven defrosting control method Download PDFInfo
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- CN100343583C CN100343583C CNB031048668A CN03104866A CN100343583C CN 100343583 C CN100343583 C CN 100343583C CN B031048668 A CNB031048668 A CN B031048668A CN 03104866 A CN03104866 A CN 03104866A CN 100343583 C CN100343583 C CN 100343583C
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Abstract
The present invention provides a microwave oven defrosting control method, which is composed of a front half defrosting course stage, an alarm sound generating stage, a door monitoring stage, a back half defrosting course stage, etc. A quantitative power ratio which is output when turning over is not carried out outputs low quantitative power when turning over is carried out, and the quantitative power which is output when turning over is not carried out is lower than the quantitative power which is output when turning over is carried out. The present invention has the effect that defrosting is carried out with low power to prevent the phenomena that a part of an object which is defrosted is baked when defrosting time is the same under the condition that the turning over course is omitted. The defrosting process of the upper part is faster than the defrosting process of the lower part of the object which is defrosted under the condition that the turning over course is omitted. Thus, like the condition that the turning over course is carried out, the upper part of the object which is defrosted can be excessively defrosted in the course of heating with high power. Then, the baked phenomena is caused, and defrosting performance is improved.
Description
Technical field
The present invention is the invention of relevant defreezing by microwave oven control method, and is particularly relevant when the turn-over of object is thawed in cancellation, the invention that can improve the defreezing by microwave oven control method of the performance of thawing.
Background technology
As shown in Figure 3, the control of traditional defreezing by microwave oven is to carry out with the irrelevant mode of turn-over.The user closes door after the object that thaws is put into the barbecue chamber, by (the 100th stage) behind the key that thaws, imports the weight (the 110th stage) of the object that thaws.The weight of the above-mentioned object that thaws can be input in the microcomputer of micro-wave oven inside.Microcomputer is selected the thawing time that has configured by the weight of thawing of input.On display screen, show after total thawing time, continue to show remaining time (the 120th stage).As shown in Figure 1, thaw (the 130th stage) in the thawing time inner control that sets.
At this moment as shown in Figure 1, omnidistance thawing time is divided into 4 stages.Omnidistance thawing time is the time value that sets in advance, and time value is corresponding to food weight.In addition, the power output in each stage also is the value of setting in advance.The value of setting is the optimum condition value that is drawn by a lot of culinary art experiments in advance.
The thawing time in the 1st stage is 10% of an omnidistance thawing time, and power output is 100%.The thawing time in the 2nd stage is 35% of an omnidistance thawing time, and power output is 30% of a peak power.The thawing time in the 3rd stage is 20% of an omnidistance thawing time, and power output is 70% of a peak power.The thawing time in the 2nd stage is 35% of an omnidistance thawing time, and power output is 10% of a peak power.
Thereby microcomputer is with the power output of prior setting, and the time service of calculating by food weight is as follows.At first carrying out the phase I thaws after the control, carried out for the 2nd stage with the 2nd stage power and thaw in the corresponding time in the 2nd stage.In above-mentioned the 1st stage, the control of thawing in the 2nd stage finished after (the 140th stage), can send the alarm tone (the 150th stage) of reminding turn-over.
Behind the above-mentioned alarm tone, want turn-over to judge decision by the user.Microcomputer according to the switching of monitoring door whether, the carrying out of judging turn-over is whether.Usually the user carries out turn-over.The following period of time of opening the door for turn-over, the timer time out.After above-mentioned turn-over finished, microcomputer continued the second half course of defrosting that control was formed with the 3rd stage and the 4th stage, carries out later the thawing of turn-over.
If do not carry out turn-over after alarm tone takes place, microcomputer also can continue the course of defrosting in the 3rd stage of controlling and the 4th stage, the thawing of the object that thaws.At this moment timer carries out continuous timing.That is, whether irrelevant with the carrying out of turn-over, thaw (the 170th stage) by unified program.Thereby when not carrying out turn-over, thawing of upper and lower carried out inhomogeneously.The 3rd stage and the 4th stage thaw and finish after (the 180th stage), inform to thaw with alarm tone or display part to finish (the 190th stage), finish the operation of thawing with this.
In addition, as shown in Figure 1, in whole course of defrosting, the power output in the 1st stage and the 3rd stage is set than higher.Certainly, the power output in the 3rd stage is lower than the 1st stage.But than the 2nd, the 4 stage, the power output in the 3rd stage is high relatively.This is because when just having begun to thaw when having begun to thaw and behind the turn-over, need thaw with high power output.
Traditional micro-wave oven control thawing mode when beginning to thaw when just beginning to thaw and behind the turn-over, utilizes higher power output to thaw.But under the situation that turn-over is omitted, the process of thawing is still the same with the process of Fig. 1, and is whether irrelevant with the carrying out of turn-over, thaws by unified program.Thereby, when omitting the turn-over of the object that thaws, the problem that the object part that can thaw is baked.
Summary of the invention
The objective of the invention is the object that thaws that is omitted for the turn-over process, under the identical situation of total thawing time, thaw with low-power, prevent the phenomenon that the object part that thaws bakes with this and the defreezing by microwave oven that can improve the performance of thawing control method is provided.
In order to achieve the above object, the invention provides a kind of defreezing by microwave oven control method, this method includes first half term course of defrosting, alarm tone stage, door monitoring stage and the second half course of defrosting, includes the 1st stage and the 2nd stage in the first half term course of defrosting:
In the 1st stage, in the 1st quantitative time T of setting in advance 1, heat with the 1st quantitative power P1 according to the weight of the object that thaws;
In the 2nd stage, carry out in the 2nd quantitative time T 2, heating with the 2nd quantitative power P2;
In order to remind turn-over, be provided with and take place the alarm tone stage, after the stage, be provided with the door monitoring stage whether monitoring door opens and closes at alarm tone;
In the door monitoring stage:
Be opened when monitoring door, in the 3rd quantitative time T 3, with the 3rd stage that the 3rd quantitative power P3 heats, then in the 4th quantitative time T 4, the 4th stage of heating with the 4th quantitative power P4 constitutes the second half course of defrosting;
Be not opened when monitoring door, in the 3rd quantitative time T 3, with the 5th stage that the 5th quantitative power P13 heats, then in the 4th quantitative time T 4, the 6th stage of heating with the 6th quantitative power P14 constitutes the second half course of defrosting.
Effect of the present invention is under the situation that the turn-over process is omitted, and when total thawing time keeps identical, thaws with low-power, prevents the phenomenon that the object part that thaws is baked with this.Under the situation that the turn-over process is omitted, the top of the object that thaws is faster than the bottom process of thawing.If at this moment, it is same that the situation of turn-over was gone in follow-up, and when heating with high power, top can take place to thaw, and causes and bakes phenomenon, has improved the performance of thawing.
Description of drawings
Power output and time relation figure when Fig. 1 thaws control for micro-wave oven in the conventional art;
The control system figure that thaws that Fig. 2 thaws for micro-wave oven control of the present invention;
Fig. 3 is the workflow diagram of defreezing by microwave oven control in the conventional art;
Power output and time relation figure when Fig. 4 thaws control for micro-wave oven of the present invention;
Fig. 5 is a defreezing by microwave oven control workflow diagram provided by the invention.
Among the figure:
1: microcomputer 3: memory
5: key input part 7: timer
9: door monitoring portion 11: output supply unit
13: display part 15: siren
The specific embodiment
With reference to drawings and Examples defreezing by microwave oven control method of the present invention is described in detail.
Fig. 2 controls the control system figure that thaws that thaws for micro-wave oven after adopting technology of the present invention.
There is control panel in front at micro-wave oven, and key input part 5 is arranged on control panel, can select to import various menucommands.Except key input part 5 is arranged, also have various electronic devices and parts on the control panel, so that the culinary art of control micro-wave oven.
As shown in Figure 2, key input part 5 and microcomputer 1 have signal connecting line, so that the signal through key input part 5 inputs is passed on the microcomputer 1.On memory 3, store then, press the various cooking process that the micro-wave oven model is set according to above-mentioned signal.Below in the explanation, the program that stores on above-mentioned memory 3 is the control program that thaws.In addition, also store and the corresponding thawing time assignment procedure of weight, and power output etc.
Micro-wave oven provided by the invention also has timer 7, with it to the course of defrosting timing.Above-mentioned memory 3, timer 7 have signal connecting line to be connected with microcomputer 1, thereby can transmit the required data-signal that thaws with microcomputer 1.
Micro-wave oven provided by the invention also possesses output supply unit 11, output supply unit 11 is exported the energy that thaws under the control of above-mentioned microcomputer 1, under the control of microcomputer 1, adjust power output, export the output source use magnetron of supply unit 11 usually as micro-wave oven.
After importing the weight of the object that thaws, display part 13 shows total heat time heating time, along with the process of thawing, shows remaining time in the countdown mode.Thaw when finishing, show the state that finishes that thaws.
Above-mentioned turn-over starting point is informed the user with alarm tone, and alarm tone produces from siren under the control of microcomputer 1.In addition, the turn-over system also comprises the door monitoring portion 9 of micro-wave oven, switching that can monitoring door, and a door monitoring portion 9 gives microcomputer 1 result transmission of monitoring.
Describe defreezing by microwave oven process of the present invention in detail below with reference to accompanying drawing 4,5.
Fig. 4 is not carrying out under the situation of turn-over for micro-wave oven provided by the invention, when thawing control, and power output and time relation figure.Fig. 5 is a defreezing by microwave oven control workflow diagram provided by the invention.
The user puts into barbecue box to the object that thaws, and closes behind the door, selects cooking method by key input part 5---and thaw (the 100th stage), import the weight (the 110th stage) of the object that thaws afterwards.The weight of above-mentioned input is transferred on the microcomputer 1.After above-mentioned microcomputer 1 is distinguished the weight that is transfused to, read and the corresponding thawing time of weight, on display part 13, show total thawing time from memory 3.Continue to show remaining time (the 120th stage) in the beginning back that thaws, thereby allow the user know remaining time at display part.In a word, after the weight of food is determined, determine corresponding total thawing time, and after total thawing time determines with this, with this determine the other time in each stage (T1, T2, T3, T4).
That is, first half term required time in stage of thawing is the time (T1+T2) of carrying out thaw routine till alarm tone takes place.The first half term course of defrosting is to be formed as the next stage.In the 1st quantitative time T 1, the 1st stage of heating with the 1st quantitative power P1; Then proceed, in the 2nd quantitative time T 2, the 2nd stage of heating with the 2nd quantitative power P2.According to the culinary art experimental result, to thaw the stage to start with, the power output in the 1st stage is 100%.Power output is the highest because thaw, and thawing time is 10% of an omnidistance thawing time.The thawing time in the 2nd stage is 35% of an omnidistance thawing time, and power output is 30%.
The second half thawing time is that alarm tone takes place by the time (T3+T4) that thaw routine is carried out in the back.Be opened if monitor door, just carried out for the 3rd stage, in the 3rd quantitative time T 3, heat with the 3rd quantitative power P3.The 4th stage then heats with the 4th quantitative power P4 with in the 4th quantitative time T 4.At this moment, above-mentioned the 3rd stage and the 4th stage constitute the second half course of defrosting.In above-mentioned door monitoring, be not opened if monitor door, just carried out for the 5th stage, in the 3rd quantitative time T 3, to heat with the 5th quantitative power P13, the 6th stage of following heats with the 6th quantitative power P14 with in the 4th quantitative time T 4.At this moment, above-mentioned the 5th stage and the 6th stage constitute the second half.
Above-mentioned T3 is 20% of an omnidistance thawing time, and T4 is 35% of an omnidistance thawing time.The 3rd stage power output of carrying out behind the process turn-over is 70% of a peak power, and as final stage, 20% power output of the 4th stage with peak power heats.When not passing through turn-over, the 5th stage power output is 20% of a peak power, and is lower than the power output in the 2nd stage.The 6th stage power output is 0.Under the situation about not heating, utilize latent heat slowly to thaw in the time at T4.
After microcomputer 1 is read thawing time, at first be controlled at the first half term that T1+T2 carries out in the time and thaw the stage (the 130th stage).
Whether then time with timer 7 timing is benchmark, judge the above-mentioned T1+T2 time (the 140th stage).Time one arrives, and just stops heating.At this moment, above-mentioned microcomputer 1, by siren generation alarm tone, time is up (the 150th stage) to inform turn-over.
Behind above-mentioned the 150th stage generation alarm tone, microcomputer 1 is closed after whether door is unlocked by 9 monitorings of door monitoring portion.Above-mentioned monitoring portion 9 is linked systems that the monitoring door for microwave oven opens and closes.The user will open the door in order to carry out turn-over.Microcomputer 1 through the monitoring portion 9 of moving into one's husband's household upon marriage is confirmed close after whether door is unlocked after alarm tone takes place.Judge with this whether turn-over carries out.
If microcomputer 1 by above-mentioned monitoring portion 9, monitors door and was opened (the 160th stage), just think that turn-over carries out.That is, monitor door in the 160th stage and be opened, just carry out the thaw control the same with traditional approach.
At first, the same with the 170th stage,, heat in the time at T3+T4 with the 3rd power (P3) among Fig. 1 and the 4th power (P4).This is because turn-over, so thaw with higher power, the object part that also can not thaw is baked.The control of thawing in above-mentioned the 170th stage is proceeded in the time at T3+T4, and display part 13 shows to thaw and finishes during above-mentioned expiration, finishes to thaw operation (the 180th stage, the 190th stage) simultaneously, finishes the whole process control of thawing.
If above-mentioned the 160th stage monitors door and is not opened, microcomputer 1 judges that with this turn-over does not carry out.At this moment, can enter for the 200th stage.At T3+T4 in the time, with the control of thawing of P13 power among Fig. 4 and P14 power.
That is, microcomputer 1, T3 thaws control with 20% power output of peak power in the time after, at last T4 in the time with the control of thawing of 0 power output.
In the control in above-mentioned the 200th stage, the above-mentioned T4 time is the time of utilizing micro-wave oven case latent heat and food latent heat.Thereby do not add in addition under the external heat source state, utilize micro-wave oven case latent heat and food latent heat slowly to spread, thaw at the appointed time.This operation is not having under the situation of turn-over, carries out carrying out after one section heating.That is, thaw and carry out before finishing.
During above-mentioned T3+T4 expiration, inform that the user is thawed to finish, and the operation that stops to thaw (the 190th stage of the 210th stage), finish the whole process control of thawing.
The control in above-mentioned each stage is thawed among the present invention, and to possess following condition more reasonable for power output.P1＞P3＞P2＞P13＞P4＞P14。
Method of defreezing by microwave oven provided by the invention in a conventional manner as Fig. 1 control of thawing, is not having under the situation of turn-over the control of thawing as Fig. 4 under the situation of carrying out turn-over.This defreezing method can improve the performance of thawing when omitting turn-over.With the foregoing is this thawing mode of feature, is not carrying out under the situation of turn-over, and the second half power output is lower than traditional approach.Therefore the object part that can prevent to thaw is baked.Particularly, utilize micro-wave oven case latent heat and food latent heat to thaw.Thereby can improve the performance of thawing.
Claims (4)
1, a kind of defreezing by microwave oven control method, this method include first half term course of defrosting, alarm tone stage, door monitoring stage and the second half course of defrosting, include in the first half term course of defrosting:
In the 1st stage, in the 1st quantitative time T of setting in advance 1, heat with the 1st quantitative power P1 according to the weight of the object that thaws;
In the 2nd stage, carry out in the 2nd quantitative time T 2, heating with the 2nd quantitative power P2;
In order to remind turn-over, be provided with and take place the alarm tone stage, after the stage, be provided with the door monitoring stage whether monitoring door opens and closes at alarm tone;
In the door monitoring stage, be opened when monitoring door, in the 3rd quantitative time T 3, with the 3rd stage that the 3rd quantitative power P3 heats, then in the 4th quantitative time T 4, the 4th stage of heating with the 4th quantitative power P4 constitutes the second half course of defrosting;
Be not opened when monitoring door, in the 3rd quantitative time T 3, with the 5th stage that the 5th quantitative power P13 heats, then in the 4th quantitative time T 4, the 6th stage of heating with the 6th quantitative power P14 constitutes the second half course of defrosting.
2, defreezing by microwave oven control method according to claim 1 is characterized in that: described the 5th quantitative power P13 of the 5th stage output when not carrying out turn-over, and the 3rd quantitative power P3 of the 3rd stage output is low when carrying out turn-over; The 6th quantitative power P14 of the 6th stage output when not carrying out turn-over, the 4th quantitative power P4 of the 4th stage output is low when carrying out turn-over.
3, defreezing by microwave oven control method according to claim 1 and 2, it is characterized in that: above-mentioned the 5th quantitative power P13 of the 5th stage output when not carrying out turn-over, the 3rd quantitative power P3 of the 3rd stage output is low when carrying out turn-over, the 4th quantitative power P4 height of the 4th stage output when carrying out turn-over.
4, defreezing by microwave oven control method according to claim 1 and 2 is characterized in that: when not carrying out turn-over, the 6th stage, above-mentioned the 6th quantitative power P14 of output was 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031048668A CN100343583C (en) | 2003-02-21 | 2003-02-21 | Microwave oven defrosting control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031048668A CN100343583C (en) | 2003-02-21 | 2003-02-21 | Microwave oven defrosting control method |
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| CN1523290A CN1523290A (en) | 2004-08-25 |
| CN100343583C true CN100343583C (en) | 2007-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031048668A Expired - Fee Related CN100343583C (en) | 2003-02-21 | 2003-02-21 | Microwave oven defrosting control method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000475A (en) * | 2014-06-10 | 2014-08-27 | 佛山市顺德区美的电热电器制造有限公司 | Countdown display method and display device for cooking equipment and cooking equipment |
| CN104879803B (en) * | 2015-05-21 | 2017-10-27 | 广东美的厨房电器制造有限公司 | Micro-wave oven and unfreezing control method, device for micro-wave oven |
| CN105042656B (en) * | 2015-07-24 | 2018-02-16 | 广东美的厨房电器制造有限公司 | Plate for defrosting, micro-wave oven and unfreezing control method |
| JP7153591B2 (en) * | 2019-03-22 | 2022-10-14 | シャープ株式会社 | heating device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61134525A (en) * | 1984-12-03 | 1986-06-21 | Sanyo Electric Co Ltd | Electronic control type cooking unit |
| CN1118216A (en) * | 1993-09-28 | 1996-03-13 | 株式会社金星社 | Method for thawing food in microwave oven |
| JPH11182852A (en) * | 1997-12-19 | 1999-07-06 | Sanyo Electric Co Ltd | Heat cooking apparatus |
| CN1355401A (en) * | 2000-11-30 | 2002-06-26 | Lg电子株式会社 | Method for controlling defreezing of microwave oven |
-
2003
- 2003-02-21 CN CNB031048668A patent/CN100343583C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61134525A (en) * | 1984-12-03 | 1986-06-21 | Sanyo Electric Co Ltd | Electronic control type cooking unit |
| CN1118216A (en) * | 1993-09-28 | 1996-03-13 | 株式会社金星社 | Method for thawing food in microwave oven |
| JPH11182852A (en) * | 1997-12-19 | 1999-07-06 | Sanyo Electric Co Ltd | Heat cooking apparatus |
| CN1355401A (en) * | 2000-11-30 | 2002-06-26 | Lg电子株式会社 | Method for controlling defreezing of microwave oven |
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