CN104879803B - Micro-wave oven and unfreezing control method, device for micro-wave oven - Google Patents
Micro-wave oven and unfreezing control method, device for micro-wave oven Download PDFInfo
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- CN104879803B CN104879803B CN201510267933.1A CN201510267933A CN104879803B CN 104879803 B CN104879803 B CN 104879803B CN 201510267933 A CN201510267933 A CN 201510267933A CN 104879803 B CN104879803 B CN 104879803B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
- H05B6/688—Circuits for monitoring or control for thawing
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Abstract
The invention discloses a kind of unfreezing control method for micro-wave oven, comprise the following steps：S1, obtains the weight for treating thawed foodstuff；S2, total time of thawing is calculated according to the weight for treating thawed foodstuff, and is divided into multiple periods total time by thawing, wherein, the thawing time of each period is determined according to the type and volume of micro-wave oven；S3, the defrosting firepower of each period is obtained according to the firepower when type and volume of micro-wave oven, micro-wave oven continuous firing；S4, after the fire door of micro-wave oven is closed, defrosting control is carried out according to the thawing time of each period and the defrosting firepower of each period to micro-wave oven.The control method can make the defrosting effect of micro-wave oven reach the experience for more preferably improving user.The invention also discloses a kind of thawing control device for micro-wave oven and a kind of micro-wave oven.
Description
Technical field
The present invention relates to living electric apparatus technical field, more particularly to a kind of unfreezing control method for micro-wave oven, one kind
Thawing control device and a kind of micro-wave oven for micro-wave oven.
Background technology
Because microwave thawing has the advantages that speed is fast, efficiency high, therefore, increasing user begins to use micro-wave oven
Frozen food is thawed.
At present, defreezing by microwave oven generally to thaw for target, and frozen food is solved using larger firepower completely
Freeze, but can so cause the problems such as discoloration is cooked in purge loss, thawing time length and food.
Accordingly, it would be desirable to be improved to the unfreezing control method of micro-wave oven.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency.
Therefore, it is an object of the present invention to propose a kind of unfreezing control method for micro-wave oven, microwave can be made
The defrosting effect of stove reaches the experience for more preferably improving user.
It is another object of the present invention to propose a kind of thawing control device for micro-wave oven.The present invention another
Purpose is to propose a kind of micro-wave oven.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of unfreezing control method for micro-wave oven,
Comprise the following steps：S1, obtains the weight for treating thawed foodstuff；S2, according to described when the weight calculating of thawed foodstuff thaws total
Between, and the defrosting is divided into multiple periods total time, wherein, the thawing time of each period is according to the micro-wave oven
Type and volume determine；S3, is obtained according to the firepower when type and volume of the micro-wave oven, the micro-wave oven continuous firing
The defrosting firepower of each period；S4, after the fire door of the micro-wave oven is closed, according to the thawing time of each period
Defrosting control is carried out to the micro-wave oven with the defrosting firepower of each period.
Unfreezing control method for micro-wave oven according to embodiments of the present invention, obtains the weight for treating thawed foodstuff first,
And total time of thawing is calculated according to the weight for treating thawed foodstuff, and it is divided into multiple periods, Ran Hougen total time by thawing
The defrosting firepower of each period is obtained according to the firepower when type and volume of micro-wave oven, micro-wave oven continuous firing, and in microwave
After the fire door of stove is closed, micro-wave oven is thawed according to the defrosting firepower of the thawing time of each period and each period
Control, so that the defrosting effect of micro-wave oven reaches the experience for more preferably improving user.
According to one embodiment of present invention, in step s 2, the defrosting total time is calculated according to below equation：
T=A* (W/100)+B
Wherein, T is the defrosting total time, and A is defrosting coefficient, and the defrosting coefficient is according to the type of the micro-wave oven
Determined with the microwave firepower cycle of the micro-wave oven, W is the weight for treating thawed foodstuff, and B is correction coefficient.
According to one embodiment of present invention, the thawing time variable of each period, and change amplitude be
One microwave firepower cycle.
According to one embodiment of present invention, the multiple period was first to fourth period, wherein, when described micro-
When ripple stove is that the volume of frequency-conversion microwave oven and the micro-wave oven is the first volume, the thawing time of each period and described
The defrosting firepower of each period meets the relation of following table：
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P3=P6*15/30 | P2=P6*10/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1-M) * A/6 | T2=(N+1+M) * A/6 | T3=(N-M) * A/3 | T4=(N-1+M) * A/3 |
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is the frequency-conversion microwave oven
Firepower during continuous firing, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
According to one embodiment of present invention, the multiple period was first to fourth period, wherein, described micro-
After the time that ripple stove is thawed is more than the first thawing time, further determine whether to treat that thawed foodstuff carries out turn-over defrosting to described,
When first thawing time subtracts first after being added for the thawing time of first time period with the thawing time of second time period
Between threshold value.
According to one embodiment of present invention, when the micro-wave oven be frequency-conversion microwave oven, the micro-wave oven volume be
Two volumes and to described when thawed foodstuff carries out turn-over defrosting, the thawing time of each period and each time
The defrosting firepower of section meets the relation of following table：
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P2=P6*10/30 | P3=P6*15/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1+M) * A/6 | T2=(N-1) * A/3 | T3=(N+1-M) * A/6 | T4=(N) * A/3 |
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is the frequency-conversion microwave oven
Firepower during continuous firing, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
According to another embodiment of the invention, when the micro-wave oven be frequency-conversion microwave oven, the micro-wave oven volume be
Second volume and not to described when thawed foodstuff carries out turn-over defrosting, the thawing time of each period and described each
The defrosting firepower of period meets the relation of following table：
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P2=P6*10/30 | P2=P6*10/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1+M) * A/6 | T2=(N-1) * A/3 | T3=(N+1-M) * A/6 | T4=(N) * A/3 |
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is the frequency-conversion microwave oven
Firepower during continuous firing, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
According to one embodiment of present invention, the multiple period was first to fourth period, wherein, when described micro-
When ripple stove is that the volume of transformer micro-wave oven and the micro-wave oven is the first volume, the thawing time of each period and institute
The defrosting firepower for stating each period meets the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is that the transformer is micro-
Firepower during ripple stove continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
According to another embodiment of the invention, when the volume that the micro-wave oven is transformer micro-wave oven, the micro-wave oven
For the second volume and to described when thawed foodstuff carries out turn-over defrosting, the thawing time of each period and described each
The defrosting firepower of period meets the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is that the transformer is micro-
Firepower during ripple stove continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
According to still another embodiment of the invention, when the volume that the micro-wave oven is transformer micro-wave oven, the micro-wave oven
For the second volume and not to described when thawed foodstuff carries out turn-over defrosting, the thawing time of each period and described every
The defrosting firepower of individual period meets the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is that the transformer is micro-
Firepower during ripple stove continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
In an embodiment of the present invention, the temperature of the food after defrosting is between -3 DEG C -0 DEG C.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of defrosting for micro-wave oven and controls dress
Put, including：Acquisition module, the weight of thawed foodstuff is treated for obtaining；Fire door detection module, the stove for detecting the micro-wave oven
Whether door closes；Firepower control module, the defrosting firepower for controlling the micro-wave oven；Control module, for being treated according to
The weight of thawed foodstuff calculates total time of thawing, and the defrosting is divided into total time into multiple periods, and according to described
The firepower when type and volume of micro-wave oven, the micro-wave oven continuous firing obtains the defrosting firepower of each period, and in institute
State logical according to the thawing time and the defrosting firepower of each period of each period after the fire door closing of micro-wave oven
Cross the firepower control module and defrosting control is carried out to the micro-wave oven, wherein, the thawing time of each period is according to described
The type and volume of micro-wave oven are determined.
Thawing control device for micro-wave oven according to embodiments of the present invention, is obtained by acquisition module and treats thawed foodstuff
Weight, and by fire door detection module detect micro-wave oven fire door whether close, control module is according to the weight for treating thawed foodstuff
Amount calculates total time of thawing, and is divided into multiple periods total time by thawing, and type and volume according to micro-wave oven, micro-
Firepower during ripple stove continuous firing obtains the defrosting firepower of each period, and after the fire door of micro-wave oven is closed according to it is each when
Between the thawing time of section and the defrosting firepower of each period defrosting control is carried out to micro-wave oven by firepower control module so that
So that the defrosting effect of micro-wave oven reaches the experience for more preferably improving user.
According to one embodiment of present invention, the control module calculates the defrosting total time according to below equation：
T=A* (W/100)+B
Wherein, T is the defrosting total time, and A is defrosting coefficient, and the defrosting coefficient is according to the type of the micro-wave oven
Determined with the microwave firepower cycle of the micro-wave oven, W is the weight for treating thawed foodstuff, and B is correction coefficient.
According to one embodiment of present invention, the thawing time variable of each period, and change amplitude be
One microwave firepower cycle.
According to one embodiment of present invention, the multiple period was first to fourth period, wherein, when described micro-
When ripple stove is that the volume of frequency-conversion microwave oven and the micro-wave oven is the first volume, the thawing time of each period and described
The defrosting firepower of each period meets the relation of following table：
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P3=P6*15/30 | P2=P6*10/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1-M) * A/6 | T2=(N+1+M) * A/6 | T3=(N-M) * A/3 | T4=(N-1+M) * A/3 |
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is the frequency-conversion microwave oven
Firepower during continuous firing, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
According to one embodiment of present invention, the multiple period was first to fourth period, wherein, described micro-
After the time that ripple stove is thawed is more than the first thawing time, the control module is also by controlling turn-over prompting device to send prompting
Information, to judge whether to treat that thawed foodstuff carries out turn-over defrosting to described, first thawing time is the solution of first time period
The jelly time subtracts very first time threshold value after being added with the thawing time of second time period.
According to one embodiment of present invention, when the micro-wave oven be frequency-conversion microwave oven, the micro-wave oven volume be
Two volumes and to described when thawed foodstuff carries out turn-over defrosting, the thawing time of each period and each time
The defrosting firepower of section meets the relation of following table：
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P2=P6*10/30 | P3=P6*15/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1+M) * A/6 | T2=(N-1) * A/3 | T3=(N+1-M) * A/6 | T4=(N) * A/3 |
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is the frequency-conversion microwave oven
Firepower during continuous firing, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
According to another embodiment of the invention, when the micro-wave oven be frequency-conversion microwave oven, the micro-wave oven volume be
Second volume and not to described when thawed foodstuff carries out turn-over defrosting, the thawing time of each period and described each
The defrosting firepower of period meets the relation of following table：
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P2=P6*10/30 | P2=P6*10/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1+M) * A/6 | T2=(N-1) * A/3 | T3=(N+1-M) * A/6 | T4=(N) * A/3 |
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is the frequency-conversion microwave oven
Firepower during continuous firing, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
According to one embodiment of present invention, the multiple period was first to fourth period, wherein, when described micro-
When ripple stove is that the volume of transformer micro-wave oven and the micro-wave oven is the first volume, the thawing time of each period and institute
The defrosting firepower for stating each period meets the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is that the transformer is micro-
Firepower during ripple stove continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
According to another embodiment of the invention, when the volume that the micro-wave oven is transformer micro-wave oven, the micro-wave oven
For the second volume and to described when thawed foodstuff carries out turn-over defrosting, the thawing time of each period and described each
The defrosting firepower of period meets the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is that the transformer is micro-
Firepower during ripple stove continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
According to still another embodiment of the invention, when the volume that the micro-wave oven is transformer micro-wave oven, the micro-wave oven
For the second volume and not to described when thawed foodstuff carries out turn-over defrosting, the thawing time of each period and described every
The defrosting firepower of individual period meets the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is that the transformer is micro-
Firepower during ripple stove continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
In an embodiment of the present invention, the temperature of the food after defrosting is between -3 DEG C -0 DEG C.
In addition, embodiments of the invention also proposed a kind of micro-wave oven, it includes the above-mentioned defrosting control for micro-wave oven
Device processed.
The micro-wave oven passes through the above-mentioned thawing control device for micro-wave oven so that defrosting effect reaches more preferably, improves
The experience of user.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the flow chart of the unfreezing control method for micro-wave oven according to the embodiment of the present invention；
Fig. 2 is the structural representation of the rotating disc type microwave oven according to one embodiment of the invention；
Fig. 3 is the structural representation of the flat plate microwave oven according to another embodiment of the present invention；
Fig. 4 is the thawing time and defrosting firepower for the frequency-conversion microwave oven for being 25L according to the volume of one embodiment of the invention
Distribution schematic diagram；
Fig. 5 be according to the volume of one embodiment of the invention be 23L and carry out turn-over frequency-conversion microwave oven thawing time
With the distribution schematic diagram of defrosting firepower；
Fig. 6 is the defrosting for the frequency-conversion microwave oven for being 23L according to the volume of another embodiment of the present invention and not carrying out turn-over
Time and the distribution schematic diagram of defrosting firepower；
Fig. 7 is the thawing time and the fire that thaws for the transformer micro-wave oven for being 25L according to the volume of one embodiment of the invention
The distribution schematic diagram of power；
Fig. 8 be according to the volume of another embodiment of the present invention be 23L and carry out turn-over transformer micro-wave oven defrosting
Time and the distribution schematic diagram of defrosting firepower；
Fig. 9 is the solution for the transformer micro-wave oven for being 23L according to the volume of another embodiment of the invention and not carrying out turn-over
Jelly time and the distribution schematic diagram of defrosting firepower；
Figure 10 is the flow chart of the defrosting control according to the micro-wave oven of one embodiment of the invention；
Figure 11 is the block diagram of the thawing control device for micro-wave oven according to the embodiment of the present invention；
Figure 12 is the block diagram of the thawing control device for micro-wave oven according to one embodiment of the invention；
Figure 13 is the circuit diagram of the fire door detection module according to one embodiment of the invention；And
Figure 14 is the circuit diagram of the fire door detection module according to another embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and
Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This
Outside, the invention provides various specific techniques and material example, but those of ordinary skill in the art can be appreciated that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
" on " structure can include the first and second features and be formed as the embodiment that directly contacts, other feature shape can also be included
Into the embodiment between the first and second features, such first and second feature may not be direct contact.
In the description of the invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be mechanically connect or electrical connection or the connection of two element internals, can
To be to be joined directly together, it can also be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
With reference to the accompanying drawings come describe the embodiment of the present invention proposition for the unfreezing control method of micro-wave oven, for microwave
The thawing control device and micro-wave oven of stove.
Fig. 1 is the flow chart of the unfreezing control method for micro-wave oven according to the embodiment of the present invention.As shown in figure 1, should
Unfreezing control method for micro-wave oven comprises the following steps：
S1, obtains the weight for treating thawed foodstuff.
For example, can be obtained by the weight sensor installed in microwave furnace bottom or by user's input mode and wait to solve
Freeze the weight of food.
Specifically, as shown in Fig. 2 in rotating disc type microwave oven, firepower control module is by controlling output driving unit
With drive microwave source launch microwave, microwave out of, the side of micro-wave oven or top feed-in micro-wave oven cavity, meanwhile, firepower control
Module treats that the rotating disk of thawed foodstuff does regular rotation by controlling rotary tray motor to drive rotating shaft to rotate so that holding
Turn, thawed with treating thawed foodstuff.On this basis, weight sensor can be increased and treat the weight of thawed foodstuff to obtain
Amount, wherein, the mounting means of weight sensor is unrestricted, as shown in Fig. 2 weight sensor may be mounted at rotary tray motor
Top.If not increasing weight sensor, it can select to treat the weight of thawed foodstuff by keyboard input module.
As shown in figure 3, in flat plate microwave oven, firepower control module is by controlling output driving unit to drive microwave
Microwave is launched in source, and microwave is entered in the cavity of micro-wave oven by waveguide from the bottom of micro-wave oven, meanwhile, firepower control module passes through
Control rotary tray motor is to drive stirring antenna rotation, so that stirring antenna does regular disturbance to microwave, to treat solution
Freeze food to be thawed.On this basis, weight sensor can be increased and treat the weight of thawed foodstuff to obtain, wherein, weight
The mounting means of sensor is unrestricted, as shown in figure 3, weight sensor may be mounted at the cavity of ceramic wafer and micro-wave oven
Between bottom.If not increasing weight sensor, it can select to treat the weight of thawed foodstuff by keyboard input module.
S2, total time of thawing is calculated according to the weight for treating thawed foodstuff, and is divided into multiple periods total time by thawing,
Wherein, the thawing time of each period is determined according to the type and volume of micro-wave oven.
According to one embodiment of present invention, in this step, total time of thawing is calculated according to following formula (1)：
T=A* (W/100)+B (1)
Wherein, T is total time of thawing, and A is defrosting coefficient, and defrosting coefficient is according to the micro- of the type of micro-wave oven and micro-wave oven
The ripple firepower cycle determines that W is the weight for treating thawed foodstuff, and B is correction coefficient, passes through solutions of the correction coefficient B to different micro-wave ovens
Jelly is corrected total time T.
According to one embodiment of present invention, the thawing time variable of each period, and the amplitude changed is one
The microwave firepower cycle, so that thawing time more conforms to defrosting rule.
Generally, the output driving unit of micro-wave oven includes：1) it is made up of step-up transformer, high-voltage diode and high-voltage capacitance
Be used for drive the circuit of magnetron；2) variable-frequency power sources of magnetron is directly driven；3) the communication mould of semiconductor microwave emission source
Block.By to output driving element analysis, obtaining two kinds of control modes of micro-wave oven：First, the break-make controlling party of transformer type
Formula；Second, the continuous firepower control mode in variable-frequency power sources and semiconductor emission source therefore, in an embodiment of the present invention, can be with
Micro-wave oven is divided into transformer micro-wave oven and frequency-conversion microwave oven.
When micro-wave oven be frequency-conversion microwave oven when, i.e., microwave power continuously adjustabe when, if required defrosting firepower is corresponding
Minimum microwave power is less than the lowest power that variable-frequency power sources is provided, then carries out make-to-break ratio to the low defrosting firepower that variable-frequency power sources is provided
Control, now, defrosting coefficient A are 2.8-3.2 times of microwave firepower cycle, if the microwave firepower cycle is 30s, thaw coefficient
A value can be chosen between 84-96 according to actual conditions.
When micro-wave oven is transformer micro-wave oven, in the corresponding microwave power of low defrosting firepower need to full power defrosting fire
Make-to-break ratio control is carried out under power, now, defrosting coefficient A is 1.8-2.2 times of microwave firepower cycle, if the microwave firepower cycle is
29s, then defrosting coefficient A value can be chosen between 52-64 according to actual conditions.
Generally, defrosting coefficient A span is：20≤A≤120, unit can be s/g, corresponding to treat thawed foodstuff
Weight unit be g.
It should be noted that the microwave firepower cycle is rotated a circle according to the rotary tray motor in micro-wave oven or stirring antenna
Time determines that the i.e. microwave firepower cycle is the time that 2.2-2.4 times of rotary tray motor or stirring antenna rotate a circle, if rotating disk
The time that motor or stirring antenna rotate a circle is 12.5s, then the microwave firepower cycle is 27-30s.
After the microwave firepower cycle determines, the firepower make-and-break time of micro-wave oven can be obtained.For example, when frequency-conversion microwave oven
The microwave firepower cycle is less than P5, then frequency-conversion microwave oven firepower make-and-break time for the defrosting firepower needed for 30s and frequency-conversion microwave oven
As shown in table 1.
Table 1
| Microwave firepower cycle 30s | P4 | P3 | P2 | P1 |
| ON time (s) | 20 | 15 | 10 | 5 |
| Turn-off time (s) | 10 | 15 | 20 | 25 |
In view of defrosting effect and thawing rate, break-make control can be carried out with firepower P6 during frequency-conversion microwave oven continuous firing
System, for example, when required defrosting firepower is P4, then the ON time for controlling the defrosting firepower P6 of variable-frequency power sources offer is 20s,
Turn-off time is 10s, i.e. P4=P6*20/30.For different frequency-conversion microwave ovens, firepower during its continuous firing can be from P5-
Chosen in P7.
It should be noted that the corresponding microwave powers of defrosting firepower P10-P1 are 100%-10%.If variable-frequency power sources is carried
The defrosting firepower of confession can reach P4-P1, then the defrosting firepower without being provided by table 1 variable-frequency power sources carries out break-make control.
And transformer micro-wave oven is different from the distribution of the firepower make-and-break time of frequency-conversion microwave oven, the firepower of transformer micro-wave oven
Make-and-break time distribution is as shown in table 2, and the microwave firepower cycle is 29s.
Table 2
| Microwave firepower cycle 29s | P10 | P8 | P5 | P3 | P1 |
| ON time (s) | 29 | 23 | 14 | 8 | 3 |
| Turn-off time (s) | 0 | 6 | 15 | 21 | 26 |
In transformer micro-wave oven, break-make control will be carried out with firepower P10 during transformer micro-wave oven continuous firing, work as institute
When the defrosting firepower needed is P8, the ON time for controlling the defrosting firepower P10 of transformer output is 23s, and the turn-off time is 6s, i.e.,
P8=P10*23/29.
S3, the defrosting of each period is obtained according to the firepower when type and volume of micro-wave oven, micro-wave oven continuous firing
Firepower.
S4, after the fire door of micro-wave oven is closed, according to the defrosting of the thawing time of each period and each period fire
Power carries out defrosting control to micro-wave oven.
According to one embodiment of present invention, multiple periods were first to fourth period, wherein, when micro-wave oven is change
When the volume of frequency micro-wave oven and micro-wave oven is the first volume, the defrosting firepower of the thawing time of each period and each period
Meet table 3.
Table 3
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P3=P6*15/30 | P2=P6*10/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1-M) * A/6 | T2=(N+1+M) * A/6 | T3=(N-M) * A/3 | T4=(N-1+M) * A/3 |
Wherein, thaw total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is frequency-conversion microwave oven continuous firing
When firepower, microwave firepower cycle of frequency-conversion microwave oven is 30s.
Specifically, it is assumed that the time that the rotary tray motor of frequency-conversion microwave oven rotates a circle is 12.5s, then the microwave firepower cycle
Can be 30s, defrosting coefficient A can be 90, and correction coefficient B is 0, then when the volume of frequency-conversion microwave oven is 25L, it is solved
Freeze firepower and thawing time meets table 3, the distribution map of corresponding defrosting firepower and thawing time is as shown in Figure 4.
According to one embodiment of present invention, multiple periods were first to fourth period, wherein, carried out in micro-wave oven
After the time of defrosting is more than the first thawing time, further determine whether that treating thawed foodstuff carries out turn-over defrosting, the first thawing time
Very first time threshold value is subtracted after being added for the thawing time of first time period with the thawing time of second time period.
If by test it has been observed that thawed foodstuff is treated in the preceding 3s that second time period terminates carries out turn-over solution
Freeze, preferably, reason is its defrosting effect：Microwave is idle in the preceding 3s that second time period terminates, now using treating
The remaining temperature of moisture, which carries out defrosting, in thawed foodstuff can reach preferable effect, therefore, in an embodiment of the present invention, will be the
Thawed foodstuff is treated during the preceding 3s that two periods terminated and carries out turn-over defrosting.
It should be noted that because volume is larger for the volumetric ratio of 25L frequency-conversion microwave oven, sending and turning in frequency-conversion microwave oven
After the prompt message of face, no matter whether user carries out turn-over, when all will continue according to the defrosting firepower shown in table 3 and Fig. 4 and thaw
Between thawed.
According to one embodiment of present invention, when micro-wave oven be frequency-conversion microwave oven, micro-wave oven volume be the second volume and
When treating thawed foodstuff progress turn-over defrosting, the defrosting firepower of the thawing time of each period and each period meet table 4.
Table 4
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P2=P6*10/30 | P3=P6*15/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1+M) * A/6 | T2=(N-1) * A/3 | T3=(N+1-M) * A/6 | T4=(N) * A/3 |
Wherein, thaw total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is frequency-conversion microwave oven continuous firing
When firepower, microwave firepower cycle of frequency-conversion microwave oven is 30s.
According to another embodiment of the invention, when micro-wave oven be frequency-conversion microwave oven, micro-wave oven volume be the second volume
And when not treating thawed foodstuff progress turn-over defrosting, the defrosting firepower of the thawing time of each period and each period are met
Table 5.
Table 5
| First time period | Second time period | 3rd period | 4th period | |
| Defrosting firepower | P3=P6*15/30 | P2=P6*10/30 | P2=P6*10/30 | P2=P6*10/30 |
| Thawing time (s) | T1=(N+1+M) * A/6 | T2=(N-1) * A/3 | T3=(N+1-M) * A/6 | T4=(N) * A/3 |
Wherein, thaw total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 is frequency-conversion microwave oven continuous firing
When firepower, microwave firepower cycle of frequency-conversion microwave oven is 30s.
Specifically, still so that time that rotary tray motor rotates a circle is 12.5s frequency-conversion microwave oven as an example, also, microwave
The firepower cycle still takes 30s, defrosting coefficient A still to take 90, and correction coefficient B still takes 0, and simply the volume of the frequency-conversion microwave oven is 23L, then
The defrosting firepower and thawing time of the frequency-conversion microwave oven will meet above-mentioned table 4 or table 5, corresponding defrosting firepower and thawing time
Distribution map as shown in Fig. 5 or Fig. 6.
It should be noted that because the volume of frequency-conversion microwave oven is 23L, the volume of frequency-conversion microwave oven is smaller, therefore,
Micro-wave oven is sent after turn-over prompt message, if user treats thawed foodstuff and carries out turn-over, frequency-conversion microwave oven will be according to the He of table 4
Defrosting firepower and thawing time shown in Fig. 5 are thawed；If user does not treat thawed foodstuff and carries out turn-over, variable frequency microwave
Stove will be thawed with the defrosting firepower and thawing time shown in table 5 and Fig. 6, to improve defrosting effect.
According to one embodiment of present invention, multiple periods were first to fourth period, wherein, when micro-wave oven is change
When the volume of depressor micro-wave oven and micro-wave oven is the first volume, the defrosting fire of the thawing time of each period and each period
Power meets table 6.
Table 6
Wherein, thaw total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 continue for transformer micro-wave oven
Firepower during work, the microwave firepower cycle of transformer micro-wave oven is 29s.
According to another embodiment of the invention, when micro-wave oven be transformer micro-wave oven, micro-wave oven volume be the second appearance
When accumulating and treating thawed foodstuff progress turn-over defrosting, the defrosting firepower of the thawing time of each period and each period are met
Table 7.
Table 7
Wherein, thaw total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 continue for transformer micro-wave oven
Firepower during work, the microwave firepower cycle of transformer micro-wave oven is 29s.
According to still another embodiment of the invention, when micro-wave oven be transformer micro-wave oven, micro-wave oven volume be the second appearance
When accumulating and not treating thawed foodstuff progress turn-over defrosting, the defrosting firepower of the thawing time of each period and each period are expired
Sufficient table 8.
Table 8
Wherein, thaw total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 continue for transformer micro-wave oven
Firepower during work, the microwave firepower cycle of transformer micro-wave oven is 29s.
Specifically, transformer micro-wave oven has points of resemblance with frequency-conversion microwave oven also difference.
For example, it is assumed that the time that the rotary tray motor of transformer micro-wave oven rotates a circle is 12.5s, then the microwave firepower cycle can
Think that 29s, defrosting coefficient A can take 90, and correction coefficient B is 0, then and when the volume of transformer micro-wave oven is 25L, it is solved
Freeze firepower and thawing time meets table 6, the distribution map of corresponding defrosting firepower and thawing time is as shown in Figure 7.
Because volume is larger for the volumetric ratio of 25L transformer micro-wave oven, turn-over prompting letter is sent in transformer micro-wave oven
After breath, no matter whether user carries out turn-over, it will all continue to be solved according to the defrosting firepower and thawing time shown in table 6 and Fig. 7
Freeze.And when the volume of transformer micro-wave oven is 23L, its defrosting firepower and thawing time meet table 7 or table 8, corresponding solution
The distribution map of jelly firepower and thawing time is as shown in Fig. 8 or Fig. 9.
It should be noted that because the volume of transformer micro-wave oven is 23L, the volume of transformer micro-wave oven is smaller, because
This, after transformer micro-wave oven sends turn-over prompt message, if user treats thawed foodstuff and carries out turn-over, the transformer is micro-
Ripple stove will be thawed with the defrosting firepower and thawing time shown in table 7 and Fig. 8；If user does not treat thawed foodstuff and turned over
Face, then transformer micro-wave oven will be thawed with the defrosting firepower and thawing time shown in table 8 and Fig. 9, so as to be effectively improved solution
Freeze effect.
In addition, it is necessary to explanation, from table 3- tables 8 as can be seen that the thawing time of each period is with waiting the food that thaws
The weight W and parameter M=(1+ (- 1) ^N)/2 of thing are relevant, therefore the thawing time variable of each period, and the width changed
Spend for a microwave firepower cycle, so that thawing time more conforms to defrosting rule.
Specifically, table 9 is frequency-conversion microwave oven that volume is 23L and user does not treat the defrosting that thawed foodstuff carries out turn-over
Fire Distribution table.
Table 9
Wherein, the weight for currently treating thawed foodstuff is 100g, then N=1, M=0, and the thawing time T1 of first time period is
30s, the thawing time T2 of second time period is 0s, and the thawing time T3 of the 3rd period is 30s, during the defrosting of the 4th period
Between T4 be 30s.And when the weight for treating thawed foodstuff is 200g, i.e., when the weight of thawed foodstuff increases 100g, N=2, M=1,
Now, the thawing time T1 of first time period is 60s, and the thawing time T2 of second time period is 30s, the defrosting of the 3rd period
Time T3 is 30s, and the thawing time T4 of the 4th period is 60s, therefore, when N from 1 to 2 when, first time period, the second time
Section and the thawing time of the 4th period increase 30s, and the thawing time of the 3rd period is constant, and when N from 2 to 3 when, the
The thawing time of one period is constant, and the thawing time of the second to the 4th period increases 30s, the like.In a word, it is ensured that
Treating the weight of thawed foodstuff often increases 100g, and defrosting firepower is constant for the thawing time of a period in P3, other time
The thawing time of section increases 30s.
For volume is 23L transformer micro-wave oven, when user, which does not treat thawed foodstuff, carries out turn-over, it thaws
Fire Distribution is as shown in table 10.
Table 10
By analyzing table 10, when N from 1 to 2 when, the thawing time of first time period and the 4th period are equal
Increase 29s, and the thawing time of second time period and the 3rd period are constant；When N from 2 to 3 when, first time period and when the 4th
Between section thawing time it is constant, the thawing time of second time period and the 3rd period increase 29s, the like.In a word, protect
Card treats that the weight of thawed foodstuff often increases 100g, between first time period and second time period during the defrosting of only one of which period
Between increase the microwave firepower cycle of 29s, i.e., one.
Further, according to the specific example of the present invention, as shown in Figure 10, the course of defrosting of micro-wave oven is including following
Step：
S101, selects defrosting function.
The weight or automatic detection weight of thawed foodstuff are treated in S102, input.
S103, shows thawing time.
S104, judges whether fire door closes.If it is, performing step S105；If not, return to step S103.
S105, with (T1+T2) in the time corresponding defrosting firepower thawed.
Whether S106, judge the time more than the first thawing time i.e. (T1+T2-3).If it is, performing step S107；If
It is no, return to step S105.
S107, user's turn-over buzzing prompting.
Whether S108, detection fire door was opened.If it is, performing step S109；If not, performing step S112.
S109, with (3+T3+T4) in the time it is corresponding carry out turn-over defrosting firepower thawed.
S110, judges whether the time exceedes (3+T3+T4).If it is, performing step S111；If not, return to step
S108, continues to judge.
S111, display defrosting is finished.
S112, with (3+T3+T4) in the time the corresponding defrosting firepower for not carrying out turn-over thawed.
In an embodiment of the present invention, the temperature of the food after defrosting meets user's requirement between -3 DEG C -0 DEG C.
In summary, the unfreezing control method for micro-wave oven according to embodiments of the present invention, obtains wait the food that thaws first
The weight of thing, and total time of thawing is calculated according to the weight for treating thawed foodstuff, and it is divided into multiple times total time by thawing
Section, then obtains the defrosting firepower of each period according to the firepower when type and volume of micro-wave oven, micro-wave oven continuous firing,
And after the fire door of micro-wave oven is closed, according to the thawing time of each period and the defrosting firepower of each period to micro-wave oven
Defrosting control is carried out, so that the defrosting effect of micro-wave oven reaches the experience for more preferably improving user.
Figure 11 is the block diagram of the thawing control device for micro-wave oven according to the embodiment of the present invention.Such as Figure 11 institutes
Show, the thawing control device for being used for micro-wave oven includes acquisition module 10, fire door detection module 20, firepower control module 30 and control
Molding block 40.
Wherein, acquisition module 10 is used to obtain the weight for treating thawed foodstuff, and acquisition module 10 can be weight sensor 11
Or keyboard input module 12, you can to obtain the weight for treating thawed foodstuff by weight sensor 11, or it is defeated by user
Enter mode and obtain the weight for treating thawed foodstuff.Fire door detection module 20 is used to detect whether the fire door of micro-wave oven closes, firepower control
Molding block 30 is used for the defrosting firepower for controlling micro-wave oven, and control module 40 is used for total according to the weight calculating defrosting for treating thawed foodstuff
Time, and it is divided into multiple periods, and type and volume, micro-wave oven continuous firing according to micro-wave oven total time by thawing
When firepower obtain the defrosting firepower of each period, and when after the fire door of micro-wave oven is closed according to the defrosting of each period
Between and each period defrosting firepower by firepower control module to micro-wave oven carry out defrosting control, wherein, each period
Thawing time according to the type and volume of micro-wave oven determine.
According to the present invention specific example, as shown in Figures 2 and 3, micro-wave oven also include output driving unit, microwave source,
The parts such as rotary tray motor, rotating shaft, rotating disk and stirring antenna.
As shown in Fig. 2 in rotating disc type microwave oven, firepower control module is by controlling output driving unit to drive microwave
Source launch microwave, microwave out of, the side of micro-wave oven or top feed-in micro-wave oven cavity, meanwhile, firepower control module pass through control
Rotary tray motor processed treats that the rotating disk of thawed foodstuff does regular rotation, to treat solution to drive rotating shaft to rotate so that holding
Freeze food to be thawed.On this basis, weight sensor can be increased and treat the weight of thawed foodstuff to obtain, wherein, weight
The mounting means of sensor is unrestricted, as shown in Fig. 2 weight sensor may be mounted at the top of rotary tray motor.If not
Increase weight sensor, then can select to treat the weight of thawed foodstuff by keyboard input module.
As shown in figure 3, in flat plate microwave oven, firepower control module is by controlling output driving unit to drive microwave
Microwave is launched in source, and microwave is entered in the cavity of micro-wave oven by waveguide from the bottom of micro-wave oven, meanwhile, firepower control module passes through
Control rotary tray motor is to drive stirring antenna rotation, so that stirring antenna does regular disturbance to microwave, to treat solution
Freeze food to be thawed.On this basis, weight sensor can be increased and treat the weight of thawed foodstuff to obtain, wherein, weight
The mounting means of sensor is unrestricted, as shown in figure 3, weight sensor may be mounted at the cavity of ceramic wafer and micro-wave oven
Between bottom.If not increasing weight sensor, it can select to treat the weight of thawed foodstuff by keyboard input module.
According to one embodiment of present invention, control module 40 calculates total time T of thawing according to above-mentioned formula (1).
According to one embodiment of present invention, the thawing time variable of each period, and the amplitude changed is one
The microwave firepower cycle.
Generally, the output driving unit of micro-wave oven includes：1) it is made up of step-up transformer, high-voltage diode and high-voltage capacitance
Be used for drive the circuit of magnetron；2) variable-frequency power sources of magnetron is directly driven；3) the communication mould of semiconductor microwave emission source
Block.By to output driving element analysis, obtaining two kinds of control modes of micro-wave oven：First, the break-make controlling party of transformer type
Formula；Second, the continuous firepower control mode in variable-frequency power sources or semiconductor emission source therefore, in an embodiment of the present invention, can be with
Micro-wave oven is divided into transformer micro-wave oven and frequency-conversion microwave oven.
When micro-wave oven be frequency-conversion microwave oven when, i.e., microwave power continuously adjustabe when, if required defrosting firepower is corresponding
Minimum microwave power is less than the lowest power that variable-frequency power sources is provided, the then low defrosting that firepower control module 30 is provided variable-frequency power sources
Firepower carries out make-to-break ratio control, now, and defrosting coefficient A is 2.8-3.2 times of microwave firepower cycle, if the microwave firepower cycle is
30s, then defrosting coefficient A value can be chosen between 84-96 according to actual conditions.
When micro-wave oven is transformer micro-wave oven, in the corresponding microwave power of low defrosting firepower need to full power defrosting fire
Make-to-break ratio control is carried out under power, now, defrosting coefficient A is 1.8-2.2 times of microwave firepower cycle, if the microwave firepower cycle is
29s, then defrosting coefficient A value can be chosen between 52-64 according to actual conditions.
Generally, defrosting coefficient A span is：20≤A≤120, unit can be s/g, corresponding to treat thawed foodstuff
Weight unit be g.
It should be noted that the microwave firepower cycle is rotated a circle according to the rotary tray motor in micro-wave oven or stirring antenna
Time determines that the i.e. microwave firepower cycle is the time that 2.2-2.4 times of rotary tray motor or stirring antenna rotate a circle, if rotating disk
The time that motor or stirring antenna rotate a circle is 12.5s, then the microwave firepower cycle is 27-30s.
After the microwave firepower cycle determines, the firepower make-and-break time of micro-wave oven can be obtained.For example, when frequency-conversion microwave oven
The microwave firepower cycle is less than P5, then frequency-conversion microwave oven firepower make-and-break time for the defrosting firepower needed for 30s and frequency-conversion microwave oven
As shown in Table 1 above.
In view of defrosting effect and thawing rate, firepower control module 30 can be with fire during frequency-conversion microwave oven continuous firing
Power P6 carries out break-make control, for example, when required defrosting firepower is P4, the control variable-frequency power sources of firepower control module 30 is provided
Defrosting firepower P6 ON time is 20s, and the turn-off time is 10s, i.e. P4=P6*20/30.For different frequency-conversion microwave ovens,
Firepower during its continuous firing can be chosen from P5-P7.
It should be noted that the corresponding microwave powers of defrosting firepower P10-P1 are 100%-10%.If variable-frequency power sources is carried
The defrosting firepower of confession can reach P4-P1, then the defrosting firepower without being provided by table 1 variable-frequency power sources carries out break-make control.
And transformer micro-wave oven is different from the distribution of the firepower make-and-break time of frequency-conversion microwave oven, the firepower of transformer micro-wave oven
Make-and-break time is distributed as shown in Table 2 above, and the microwave firepower cycle is 29s.In transformer micro-wave oven, firepower control module 30 will
Break-make control is carried out with firepower P10 during transformer micro-wave oven continuous firing, when required defrosting firepower is P8, firepower control
Module 30 controls the defrosting firepower P10 of transformer output ON time to be 23s, and the turn-off time is 6s, i.e. P8=P10*23/
29。
According to one embodiment of present invention, multiple periods were first to fourth period, wherein, when micro-wave oven is change
When the volume of frequency micro-wave oven and micro-wave oven is the first volume, the defrosting firepower of the thawing time of each period and each period
Meet the relation shown in above-mentioned table 3.
That is, it is assumed that the time that the rotary tray motor of frequency-conversion microwave oven rotates a circle is 12.5s, then the microwave firepower cycle
Can be 30s, defrosting coefficient A can be 90, and correction coefficient B is 0, then when the volume of frequency-conversion microwave oven is 25L, it is solved
Freeze firepower and thawing time meets table 3, the distribution map of corresponding defrosting firepower and thawing time is as shown in Figure 4.
According to one embodiment of present invention, multiple periods were first to fourth period, wherein, carried out in micro-wave oven
After the time of defrosting is more than the first thawing time, control module 40 is also by controlling turn-over prompting device 50 as shown in figure 12 to send
Prompt message, carries out turn-over defrosting, when the first thawing time is the defrosting of first time period to judge whether to treat thawed foodstuff
Between be added with the thawing time of second time period after subtract very first time threshold value.
If by test it has been observed that thawed foodstuff is treated in the preceding 3s that second time period terminates carries out turn-over solution
Freeze, preferably, reason is its defrosting effect：Microwave is idle in the preceding 3s that second time period terminates, now using treating
The remaining temperature of moisture, which carries out defrosting, in thawed foodstuff can reach preferable effect, therefore, in an embodiment of the present invention, will be the
Thawed foodstuff is treated during the preceding 3s that two periods terminated and carries out turn-over defrosting.
It should be noted that because volume is larger for the volumetric ratio of 25L frequency-conversion microwave oven, being sent in turn-over prompting device 50
After prompt message, no matter whether user carries out turn-over, firepower control module 30 will all continue according to the defrosting shown in table 3 and Fig. 4
Firepower and thawing time are thawed.
According to one embodiment of present invention, when micro-wave oven be frequency-conversion microwave oven, micro-wave oven volume be the second volume and
When treating thawed foodstuff progress turn-over defrosting, the defrosting firepower of the thawing time of each period and each period meet above-mentioned
Relation shown in table 4.
According to another embodiment of the invention, when micro-wave oven be frequency-conversion microwave oven, micro-wave oven volume be the second volume
And when not treating thawed foodstuff progress turn-over defrosting, the defrosting firepower of the thawing time of each period and each period are met
The relation of above-mentioned table 5.
Specifically, still so that time that rotary tray motor rotates a circle is 12.5s frequency-conversion microwave oven as an example, also, microwave
The firepower cycle still takes 30s, defrosting coefficient A still to take 90, and correction coefficient B still takes 0, and simply the volume of the frequency-conversion microwave oven is 23L, then
The defrosting firepower and thawing time of the frequency-conversion microwave oven will meet above-mentioned table 4 or table 5, corresponding defrosting firepower and thawing time
Distribution map as shown in Fig. 5 or Fig. 6.
It should be noted that because the volume of frequency-conversion microwave oven is 23L, the volume of frequency-conversion microwave oven is smaller, therefore,
Turn-over prompting device 50 is sent after prompt message, if user treats the firepower in thawed foodstuff progress turn-over, frequency-conversion microwave oven
Control module 30 will be thawed according to the defrosting firepower and thawing time shown in table 4 and Fig. 5；If user does not treat defrosting food
Thing carries out turn-over, then the firepower control module 30 in frequency-conversion microwave oven is by with the defrosting firepower and thawing time shown in table 5 and Fig. 6
Thawed, to improve defrosting effect.
According to one embodiment of present invention, multiple periods were first to fourth period, wherein, when micro-wave oven is change
When the volume of depressor micro-wave oven and micro-wave oven is the first volume, the defrosting fire of the thawing time of each period and each period
Power meets the relation of above-mentioned table 6.
According to another embodiment of the invention, when micro-wave oven be transformer micro-wave oven, micro-wave oven volume be the second appearance
When accumulating and treating thawed foodstuff progress turn-over defrosting, the defrosting firepower of the thawing time of each period and each period are met
The relation of above-mentioned table 7.
According to still another embodiment of the invention, when micro-wave oven be transformer micro-wave oven, micro-wave oven volume be the second appearance
When accumulating and not treating thawed foodstuff progress turn-over defrosting, the defrosting firepower of the thawing time of each period and each period are expired
The relation of the above-mentioned table 8 of foot.
Specifically, transformer micro-wave oven has points of resemblance with frequency-conversion microwave oven also difference.
For example, it is assumed that the time that the rotary tray motor of transformer micro-wave oven rotates a circle is 12.5s, then the microwave firepower cycle can
Think that 29s, defrosting coefficient A can take 90, and correction coefficient B is 0, then and when the volume of transformer micro-wave oven is 25L, it is solved
Freeze firepower and thawing time meets table 6, the distribution map of corresponding defrosting firepower and thawing time is as shown in Figure 7.
Because volume is larger for the volumetric ratio of 25L transformer micro-wave oven, prompt message is sent in turn-over prompting device 50, no
Whether effective family carries out turn-over, and firepower control module 30 will all continue according to the defrosting firepower and thawing time shown in table 6 and Fig. 7
Thawed.And when the volume of transformer micro-wave oven is 23L, its defrosting firepower and thawing time meet table 7 or table 8, right
The defrosting firepower and the distribution map of thawing time answered are as shown in Fig. 8 or Fig. 9.
It should be noted that because the volume of transformer micro-wave oven is 23L, the volume of transformer micro-wave oven is smaller, because
This, after turn-over prompting device 50 sends prompt message, if user will treat that thawed foodstuff is carried out in turn-over, transformer micro-wave oven
Firepower control module 30 will be thawed with the defrosting firepower and thawing time shown in table 7 and Fig. 8；If user does not treat solution
Freeze food and carry out turn-over, then the firepower control module 30 in transformer micro-wave oven will be conciliate with the defrosting firepower shown in table 8 and Fig. 9
The jelly time is thawed, so as to be effectively improved defrosting effect.
In addition, it is necessary to explanation, from table 3- tables 8 as can be seen that the thawing time of each period is with waiting the food that thaws
The weight W and parameter M=(1+ (- 1) ^N)/2 of thing are relevant, therefore the thawing time variable of each period, and the width changed
Spend for a microwave firepower cycle, so that thawing time more conforms to defrosting rule.
Specifically, volume as shown in Table 9 above is 23L frequency-conversion microwave oven and user does not treat thawed foodstuff progress
The defrosting Fire Distribution of turn-over.
Wherein, the weight for currently treating thawed foodstuff is 100g, then N=1, M=0, and the thawing time T1 of first time period is
30s, the thawing time T2 of second time period is 0s, and the thawing time T3 of the 3rd period is 30s, during the defrosting of the 4th period
Between T4 be 30s.And when the weight for treating thawed foodstuff is 200g, i.e., when the weight of thawed foodstuff increases 100g, N=2, M=1,
Now, the thawing time T1 of first time period is 60s, and the thawing time T2 of second time period is 30s, the defrosting of the 3rd period
Time T3 is 30s, and the thawing time T4 of the 4th period is 60s, therefore, when N from 1 to 2 when, first time period, the second time
Section and the thawing time of the 4th period increase 30s, and the thawing time of the 3rd period is constant, and when N from 2 to 3 when, the
The thawing time of one period is constant, and the thawing time of the second to the 4th period increases 30s, the like.In a word, it is ensured that
Treating the weight of thawed foodstuff often increases 100g, and defrosting firepower is constant for the thawing time of a period in P3, other time
The thawing time of section increases 30s.
And for volume is 23L transformer micro-wave oven, when user, which does not treat thawed foodstuff, carries out turn-over, it is solved
Freeze Fire Distribution as shown in Table 10 above.
By analyzing table 10, when N from 1 to 2 when, the thawing time of first time period and the 4th period are equal
Increase 29s, and the thawing time of second time period and the 3rd period are constant；When N from 2 to 3 when, first time period and when the 4th
Between section thawing time it is constant, the thawing time of second time period and the 3rd period increase 29s, the like.In a word, protect
Card treats that the weight of thawed foodstuff often increases 100g, between first time period and second time period during the defrosting of only one of which period
Between increase the microwave firepower cycle of 29s, i.e., one.
In an embodiment of the present invention, the temperature of the food after defrosting meets user's requirement between -3 DEG C -0 DEG C.
According to the specific example of the present invention, as shown in fig. 10 and fig. 12, after micro-wave oven works on power, user first
Micro-wave oven is set to enter defrosting function by keyboard input module 12, meanwhile, micro-wave oven is defeated by weight sensor 11 or button
Enter module 12 and obtain the weight for treating thawed foodstuff, and all relevant parameters are saved in memory 42, display module 60 is shown
Thaw total time T.Then whether the detection of fire door detection module 20 fire door is closed, if fire door is closed, micro-wave oven is proceeded by
Thaw, control module 40 starts firepower control module 30 and output driving unit is controlled, to control microwave source to send microwave
Treat thawed foodstuff to be thawed, while timer 41 starts timing.When thawing time reaches the first thawing time, turn-over prompting
Such as buzzer of device 50 sends prompt message and carries out turn-over to remind user to treat thawed foodstuff, and now, user can treat defrosting
Food carries out turn-over, can not also treat thawed foodstuff and carry out turn-over.No matter whether user treats thawed foodstuff and carries out turn-over, stove
Whether door detection module 20 all opened detection fire door, so that firepower control module 30 can be suitable according to fire door signal behavior
Defrosting firepower and thawing time treat thawed foodstuff and thawed, to ensure defrosting effect.
Because fire door detection module 20 judges that tool has a significant impact to the defrosting of micro-wave oven, it is therefore desirable to ensure that fire door is detected
The reliability of module 20, such as Figure 13 and Figure 14 give the circuit diagram of two kinds of reliable fire door detection modules 20.
As shown in figure 13, when a door is opened, first switch S1 is off, and now fire door signal DOOR1 is height
Level；When fire door is closed, first switch S1 is in closure state, and now fire door signal DOOR1 is low level.In the circuit
In, 1mA is more than by the electric current for carrying out appropriate selection to first resistor R1 and second resistance R2 to ensure fire door signal DOOR1,
So as to ensure fire door signal DOOR1 reliability.
And in circuit as shown in figure 14, when a door is opened, i.e., when second switch S2 is off, except carrying
Outside effective fire door signal DOOR2, the default power supply that voltage is 12V is also cut off, fire door detection module is further improved
20 reliability.
Thawing control device for micro-wave oven according to embodiments of the present invention, is obtained by acquisition module and treats thawed foodstuff
Weight, and by fire door detection module detect micro-wave oven fire door whether close, control module is according to the weight for treating thawed foodstuff
Amount calculates total time of thawing, and is divided into multiple periods total time by thawing, and type and volume according to micro-wave oven, micro-
Firepower during ripple stove continuous firing obtains the defrosting firepower of each period, and after the fire door of micro-wave oven is closed according to it is each when
Between the thawing time of section and the defrosting firepower of each period defrosting control is carried out to micro-wave oven by firepower control module so that
So that the defrosting effect of micro-wave oven reaches the experience for more preferably improving user.
In addition, embodiments of the invention also proposed a kind of micro-wave oven, it includes the above-mentioned defrosting control for micro-wave oven
Device processed.
The micro-wave oven passes through the above-mentioned thawing control device for micro-wave oven so that defrosting effect reaches more preferably, improves
The experience of user.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include
Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not be by shown or discussion suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list for the executable instruction for realizing logic function, it may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress for combining these instruction execution systems, device or equipment and using
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wirings
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, can even is that can be in the paper of printing described program thereon or other are suitable for computer-readable medium
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
Rapid to can be by program to instruct the hardware of correlation to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is realized using in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (23)
1. a kind of unfreezing control method for micro-wave oven, it is characterised in that comprise the following steps：
S1, obtains the weight for treating thawed foodstuff；
S2, total time of thawing is calculated according to the weight for treating thawed foodstuff, and when total time the defrosting is divided into multiple
Between section, wherein, the thawing time of each period is determined according to the type and volume of the micro-wave oven；
S3, each period is obtained according to the firepower when type and volume of the micro-wave oven, the micro-wave oven continuous firing
Defrosting firepower；
S4, after the fire door of the micro-wave oven is closed, according to the thawing time of each period and each period
Defrosting firepower to the micro-wave oven carry out defrosting control.
2. as claimed in claim 1 be used for micro-wave oven unfreezing control method, it is characterised in that in step s 2, according to
Lower formula calculates the defrosting total time：
T=A* (W/100)+B
Wherein, T is the defrosting total time, and A is defrosting coefficient, and type and institute of the defrosting coefficient according to the micro-wave oven
The microwave firepower cycle for stating micro-wave oven determines that W is the weight for treating thawed foodstuff, and B is correction coefficient.
3. it is used for the unfreezing control method of micro-wave oven as claimed in claim 2, it is characterised in that the solution of each period
Freeze temporally variable dynamic, and the amplitude changed is a microwave firepower cycle.
4. it is used for the unfreezing control method of micro-wave oven as claimed in claim 3, it is characterised in that the multiple period is the
One to the 4th period, wherein, when the volume that the micro-wave oven is frequency-conversion microwave oven and the micro-wave oven is the first volume, institute
The thawing time and the defrosting firepower of each period for stating each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 continue for the frequency-conversion microwave oven
Firepower during work, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
5. it is used for the unfreezing control method of micro-wave oven as claimed in claim 3, it is characterised in that the multiple period is the
One to the 4th period, wherein, after the time that the micro-wave oven is thawed is more than the first thawing time, further determine whether pair
Described to treat that thawed foodstuff carries out turn-over defrosting, first thawing time is the thawing time and second time period of first time period
Thawing time be added after subtract very first time threshold value.
6. it is used for the unfreezing control method of micro-wave oven as claimed in claim 5, it is characterised in that when the micro-wave oven is frequency conversion
Micro-wave oven, the micro-wave oven volume for the second volume and to it is described whne thawed foodstuff carry out turn-over defrosting when, when described each
Between section thawing time and the defrosting firepower of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 continue for the frequency-conversion microwave oven
Firepower during work, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
7. it is used for the unfreezing control method of micro-wave oven as claimed in claim 5, it is characterised in that when the micro-wave oven is frequency conversion
Micro-wave oven, the volume of the micro-wave oven for the second volume and not to described when thawed foodstuff carries out turn-over defrosting, it is described each
The thawing time of period and the defrosting firepower of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 continue for the frequency-conversion microwave oven
Firepower during work, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
8. it is used for the unfreezing control method of micro-wave oven as claimed in claim 3, it is characterised in that the multiple period is the
One to the 4th period, wherein, when the volume that the micro-wave oven is transformer micro-wave oven and the micro-wave oven is the first volume,
The thawing time of each period and the defrosting firepower of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is the transformer micro-wave oven
Firepower during continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
9. it is used for the unfreezing control method of micro-wave oven as claimed in claim 5, it is characterised in that when the micro-wave oven is transformation
Device micro-wave oven, the volume of the micro-wave oven for the second volume and to described when thawed foodstuff carries out turn-over defrosting, it is described each
The thawing time of period and the defrosting firepower of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is the transformer micro-wave oven
Firepower during continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
10. it is used for the unfreezing control method of micro-wave oven as claimed in claim 5, it is characterised in that when the micro-wave oven is change
Depressor micro-wave oven, the micro-wave oven volume for the second volume and not to it is described whne thawed foodstuff carry out turn-over defrosting when, it is described
The thawing time and the defrosting firepower of each period of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is the transformer micro-wave oven
Firepower during continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
11. the unfreezing control method for micro-wave oven as any one of claim 1-10, it is characterised in that after defrosting
Food temperature between -3 DEG C -0 DEG C.
12. a kind of thawing control device for micro-wave oven, it is characterised in that including：
Acquisition module, the weight of thawed foodstuff is treated for obtaining；
Fire door detection module, for detecting whether the fire door of the micro-wave oven closes；
Firepower control module, the defrosting firepower for controlling the micro-wave oven；
Control module, for treating that the weight of thawed foodstuff calculates total time of thawing according to, and the defrosting total time is drawn
It is divided into multiple periods, and firepower when type and volume according to the micro-wave oven, the micro-wave oven continuous firing is obtained
The defrosting firepower of each period, and after the fire door of the micro-wave oven is closed according to the thawing time of each period and
The defrosting firepower of each period carries out defrosting control by the firepower control module to the micro-wave oven, wherein, often
The thawing time of individual period is determined according to the type and volume of the micro-wave oven.
13. as claimed in claim 12 be used for micro-wave oven thawing control device, it is characterised in that the control module according to
Below equation calculates the defrosting total time：
T=A* (W/100)+B
Wherein, T is the defrosting total time, and A is defrosting coefficient, and type and institute of the defrosting coefficient according to the micro-wave oven
The microwave firepower cycle for stating micro-wave oven determines that W is the weight for treating thawed foodstuff, and B is correction coefficient.
14. it is used for the thawing control device of micro-wave oven as claimed in claim 13, it is characterised in that each period
Thawing time variable, and the amplitude changed is a microwave firepower cycle.
15. it is used for the thawing control device of micro-wave oven as claimed in claim 14, it is characterised in that the multiple period is
First to fourth period, wherein, when the volume that the micro-wave oven is frequency-conversion microwave oven and the micro-wave oven is the first volume,
The thawing time of each period and the defrosting firepower of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 continue for the frequency-conversion microwave oven
Firepower during work, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
16. it is used for the thawing control device of micro-wave oven as claimed in claim 14, it is characterised in that the multiple period is
First to fourth period, wherein, after the time that the micro-wave oven is thawed is more than the first thawing time, the control mould
Block is also by controlling turn-over prompting device to send prompt message, to judge whether to treat that thawed foodstuff carries out turn-over defrosting, institute to described
State after the thawing time that the first thawing time is first time period is added with the thawing time of second time period and subtract the very first time
Threshold value.
17. it is used for the thawing control device of micro-wave oven as claimed in claim 16, it is characterised in that when the micro-wave oven is change
Frequency micro-wave oven, the volume of the micro-wave oven for the second volume and to described when thawed foodstuff carries out turn-over defrosting, it is described each
The thawing time of period and the defrosting firepower of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 continue for the frequency-conversion microwave oven
Firepower during work, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
18. it is used for the thawing control device of micro-wave oven as claimed in claim 16, it is characterised in that when the micro-wave oven is change
Frequency micro-wave oven, the volume of the micro-wave oven for the second volume and not to described when thawed foodstuff carries out turn-over defrosting, it is described every
The thawing time of individual period and the defrosting firepower of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P6 continue for the frequency-conversion microwave oven
Firepower during work, the microwave firepower cycle of the frequency-conversion microwave oven is 30s.
19. it is used for the thawing control device of micro-wave oven as claimed in claim 14, it is characterised in that the multiple period is
First to fourth period, wherein, when the volume that the micro-wave oven is transformer micro-wave oven and the micro-wave oven is the first volume
When, the defrosting firepower of the thawing time of each period and each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is the transformer micro-wave oven
Firepower during continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
20. it is used for the thawing control device of micro-wave oven as claimed in claim 16, it is characterised in that when the micro-wave oven is change
Depressor micro-wave oven, the volume of the micro-wave oven for the second volume and to described when thawed foodstuff carries out turn-over defrosting, it is described every
The thawing time of individual period and the defrosting firepower of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is the transformer micro-wave oven
Firepower during continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
21. it is used for the thawing control device of micro-wave oven as claimed in claim 16, it is characterised in that when the micro-wave oven is change
Depressor micro-wave oven, the micro-wave oven volume for the second volume and not to it is described whne thawed foodstuff carry out turn-over defrosting when, it is described
The thawing time and the defrosting firepower of each period of each period meet the relation of following table：
Wherein, defrosting total time T=A*N, N=W/100, M=(1+ (- 1) ^N)/2, P10 is the transformer micro-wave oven
Firepower during continuous firing, the microwave firepower cycle of the transformer micro-wave oven is 29s.
22. the thawing control device for micro-wave oven as any one of claim 12-21, it is characterised in that thaw
The temperature of food afterwards is between -3 DEG C -0 DEG C.
23. a kind of micro-wave oven, it is characterised in that including the solution for micro-wave oven as any one of claim 12-22
Freeze control device.
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| CN111227023A (en) * | 2018-11-29 | 2020-06-05 | 青岛海尔智能技术研发有限公司 | Radio frequency thawing device, control method and device thereof, thawing machine and storage medium |
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| JPH05240444A (en) * | 1992-02-27 | 1993-09-17 | Toshiba Corp | Heat cooking apparatus |
| SE520882C2 (en) * | 1999-01-15 | 2003-09-09 | Whirlpool Co | Procedure for thawing frozen food in a microwave oven |
| CN100343583C (en) * | 2003-02-21 | 2007-10-17 | 乐金电子(天津)电器有限公司 | Microwave oven defrosting control method |
| CN1704674A (en) * | 2004-05-27 | 2005-12-07 | 乐金电子(天津)电器有限公司 | Unfreezing control method for microwave oven |
| CN102261680A (en) * | 2011-05-27 | 2011-11-30 | 关义清 | Microwave oven control device |
| CN104266236A (en) * | 2014-09-28 | 2015-01-07 | 广东美的厨房电器制造有限公司 | Method and device for controlling microwave oven unfreezing and microwave oven |
| CN104235903A (en) * | 2014-09-25 | 2014-12-24 | 广东美的厨房电器制造有限公司 | Microwave oven food thawing control method and microwave oven |
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