CN110195882A - Unfreezing control method, thawing control device and computer storage medium - Google Patents
Unfreezing control method, thawing control device and computer storage medium Download PDFInfo
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- CN110195882A CN110195882A CN201910309263.3A CN201910309263A CN110195882A CN 110195882 A CN110195882 A CN 110195882A CN 201910309263 A CN201910309263 A CN 201910309263A CN 110195882 A CN110195882 A CN 110195882A
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- temperature rise
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Ovens (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
Abstract
This application discloses a kind of unfreezing control method, thawing control device and computer storage mediums, the unfreezing control method includes: to treat thawed foodstuff with the first heating power to carry out first stage defrosting, until the first temperature rise thawed in the first stage to thawed foodstuff reaches the first temperature rise standard；Second stage defrosting is carried out with the thawed foodstuff for the treatment of of the second heating power on-off type；It repeats second stage to thaw, until reaching the second temperature rise standard in the second temperature rise that last time second stage is thawed to thawed foodstuff；Wherein the first heating power is greater than the second heating power.The application unfreezing control method can realize that treats thawed foodstuff is evenly heated defrosting.
Description
Technical field
This application involves defrosting fields, deposit more particularly to a kind of unfreezing control method, thawing control device and computer
Storage media.
Background technique
In people's daily life, it will usually the food that wouldn't be eaten such as meat is subjected to freezen protective, and in lower secondary eclipse
Used time then needs to thaw to food.It is usually put in water or natural thaw in air, and the natural thaw used time is longer.
Currently there is some household electrical appliance such as micro-wave oven to have defrosting function, it can be achieved that quick-thawing, however existing solution
The problem of jelly process is easy to appear hot-spot.
Summary of the invention
The application provides a kind of unfreezing control method, thawing control device and computer storage medium, existing to solve
The problem of being easy to appear hot-spot during food thawing.
In order to solve the above technical problems, the application provides a kind of unfreezing control method, comprising: treated with the first heating power
Thawed foodstuff carries out the first stage, until the first temperature rise thawed in the first stage to thawed foodstuff reaches the first temperature rise standard；
Second stage defrosting is carried out with the thawed foodstuff for the treatment of of the second heating power on-off type；It repeats second stage to thaw, until wait solve
Freeze food and reaches the second temperature rise standard in the second temperature rise that last time second stage is thawed；Wherein, the first heating power is greater than
Second heating power.
In order to solve the above technical problems, the application provides a kind of thawing control device, comprising: processor and memory, institute
It states and is stored with computer program in memory, processor is for executing computer program to realize the step of above-mentioned unfreezing control method
Suddenly.
In order to solve the above technical problems, the application provides a kind of computer storage medium, wherein it is stored with computer program,
Computer program is performed the step of to realize above-mentioned unfreezing control method.
Thawed foodstuff is treated with biggish first heating power first in the application unfreezing control method and carries out the first stage
It thaws, until the first temperature rise thawed in the first stage to thawed foodstuff reaches the first temperature rise standard；Then with lesser second
The thawed foodstuff for the treatment of of heating power on-off type carries out second stage defrosting；The first heating power is controlled by the first temperature rise standard
Thawing time, using the on-off type heating method of the second heating power, the problem of avoiding the occurrence of hot-spot；Repeat second-order
Section is thawed, until to thawed foodstuff reach the second temperature rise standard in the second temperature that last time second stage is thawed, by the
Two temperature rise standards control the heating times of the second heating power, avoid excessively heating.Based on this, the application unfreezing control method can
Realization is evenly heated defrosting to food.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of the application unfreezing control method；
Fig. 2 is the detailed process schematic diagram of unfreezing control method embodiment shown in Fig. 1；
Fig. 3 is the temperature thermal change schematic diagram of meat freezing process；
Fig. 4 is the structural schematic diagram of one embodiment of the application thawing control system；
Fig. 5 is the structural schematic diagram of one embodiment of the application thawing control device；
Fig. 6 is the structural schematic diagram of the application micro-wave oven；
Fig. 7 is the structural schematic diagram of one embodiment of the application computer storage medium.
Specific embodiment
To make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and it is embodied
Mode does further in detail a kind of unfreezing control method, thawing control device and computer storage medium provided herein
Description.
It is thawed, frozen heat foods can be thawed to -2 DEG C~35 DEG C to food using thawing control device,
And currently during carrying out heating defrosting to food, it is easy due to heating the problem of unevenly leading to food hot-spot,
It requires to carry out turn-over to food at this time, increases the complexity of user's operation.And the application propose unfreezing control method, it can be achieved that
The defrosting that is evenly heated of thawed foodstuff is treated, user is not necessarily to carry out turn-over operation to food in course of defrosting, reinforces effect of thawing
Fruit simplifies user's operation.
It is the flow diagram of one embodiment of the application unfreezing control method referring specifically to Fig. 1, Fig. 1.The present embodiment solution
Freeze in control method and two stages defrostings are carried out with the first heating power and the second heating power respectively, wherein the first heating function
Rate is greater than the second heating power.Unfreezing control method includes the following steps.
S101: treating thawed foodstuff with the first heating power and carry out first stage defrosting, until to thawed foodstuff first
The first temperature rise that stage thaws reaches the first temperature rise standard.
It carries out thawing in the present embodiment and can be microwave heating defrosting, be also possible to heat pipes heat defrosting, therefore heat function
Rate can correspond to be heating element output power.
The first stage, which thaws, in this step is carried out with biggish first heating power, and the big of thawed foodstuff is treated in realization
In power ice-breaking, such as the meat of the freezing at -18 DEG C of refrigerator, the freezing rate of water is about 90%, i.e., most of water becomes in meat
Ice crystal, but still there is the fraction water not to be frozen.Fraction water is carried out using biggish first heating power in this step
Heating fill can, since the thermal conductivity of water is 0.582W/ (m*k), the thermal conductivity of ice is 2.326W/ (m*k), about the four of water times,
Thus fraction water can realize that quickly heat transmitting, the stage temperature rise are more rapid by most of ice after filling energy.
If but continue to be heated with the first heating power of increasing, it be easy to cause certain position heatings too fast, other
The problem of position or frozen state, such as surface overheat, inside is in frozen state.Thus with temperature rise in the present embodiment
It thaws to control the first stage, i.e., when carrying out first stage defrosting, the first temperature rise to thawed foodstuff is detected, when the first temperature rise
When reaching the first temperature rise standard, i.e., heating defrosting is no longer carried out with the first heating power, but carry out step S102, with lesser
Second heating power carries out heating defrosting.
S102: second stage defrosting is carried out with the thawed foodstuff for the treatment of of the second heating power on-off type.
When being thawed with smaller second heating power, carried out by the way of on-off type in the present embodiment.It is i.e. first
Guide, which passes to the second heating power and treats thawed foodstuff, carries out heating defrosting, is then turned off the heating solution that thawed foodstuff is treated in pause
Freeze, the process for suspending heating can make the temperature to thawed foodstuff realize whole machine balancing.
Since second stage defrosting is in order to avoid heating too fast caused hot-spot problem, rank is heated in conducting
The heating time of section is also shorter.Only carry out a complete defrosting that second stage defrosting generally cannot achieve food, thus this reality
It applies in example and is repeatedly carried out with the second stage defrosting of the second heating power on-off type.
S103: repeating second stage and thaw, until the second temperature rise thawed to thawed foodstuff in last time second stage
Reach the second temperature rise standard.
The number of repetition that second stage is thawed is also to be controlled by temperature rise, after terminating second stage every time and thawing,
The second temperature rise thawed to thawed foodstuff in second stage can be calculated, when the second temperature rise reaches the second temperature rise standard, is then tied
Beam thaws.
Different temperature rise variations can embody food in the different phase of defrosting, complete to thaw fast, i.e., ice crystal becomes completely
The temperature rise of Cheng Shuihou, water become larger, i.e. gradually completing with defrosting, and the temperature change that second stage is thawed can be increasing, because
And controlled by the second temperature rise standard, i.e., when the second temperature rise reaches low temperature temperature rise standard, it is believed that defrosting is completed, in food
Ice crystal become water completely, food temperature reaches expected thaw point.
It carries out heating ice-breaking in the present embodiment by the first heating power first, and is controlled using the first temperature rise standard
First stage thaws, and avoids hot-spot；Then second stage defrosting is repeated by the second heating power on-off type, protected
The uniformity of heating is demonstrate,proved, and controls the number of repetition of second stage defrosting using the second temperature rise standard, being thawed with control terminates.
First temperature rise standard and the second temperature rise standard determined by food material itself, thus in the present embodiment and without limitation.
The detailed process of each step is referring to Fig. 2, Fig. 2 is the detailed of unfreezing control method embodiment shown in Fig. 1 in Fig. 1
Flow diagram.Unfreezing control method shown in Fig. 2 specifically includes following steps.
S201: initial temperature of the detection to thawed foodstuff.
Its initial temperature T will be first being detected when thawed foodstuff is put into thawing apparatuss, can specifically pass through thawing apparatus sheet
Temperature sensor set by body, such as infrared sensor detection.It is realized in below the step of also by the temperature sensor
Temperature detection.
S202: thawed foodstuff is treated with the first heating power and carries out first stage defrosting, is detected to the current of thawed foodstuff
Temperature.
After thawed foodstuff is put into thawing apparatus, first stage ice-breaking heating solution is being carried out to it with the first heating power
Freeze, the first heating power p during being somebody's turn to do1It can be 1000w.In the process, working as to thawed foodstuff need to be detected in real time
Preceding temperature Te, i.e., periodically detect the temperature to thawed foodstuff.
S203: the difference of Current Temperatures and initial temperature is calculated to judge whether the first temperature rise reaches as the first temperature rise
First temperature rise standard.
After periodically detecting Current Temperatures, after detecting Current Temperatures every time, be required to calculate Current Temperatures with
The difference of initial temperature obtains the temperature rise generated when thawed foodstuff when current state is compared to original state, i.e. the first temperature rise
△T1=Te-Ts。
Then start to judge whether first temperature rise reaches the first temperature rise standard dT after obtaining the first temperature rise1If reaching, tie
The beam first stage thaws, and carries out step S204.If not up to, continuing first stage defrosting, that is, returning to step S202, continue with
First heating power treats thawed foodstuff and carries out first stage defrosting.When the present embodiment is applied to the defrosting of meat, the first temperature rise
Standard dT1It is 4 DEG C.
S204: thawed foodstuff is treated with the second heating power and is heated.
After terminating first stage defrosting, that is, start with lesser second heating power p2It is heated, wherein when heating
Between make heat energy meet energy preset requirement, which is calculated by the second heating power and heating time.This
In step S204, with lesser second heating power, and with fixed heat energy to be heated, it can reduce and treat defrosting
The heating speed of food, avoiding the problem that heating focuses leads to hot-spot.In the present embodiment, the second heating power p2It is set as
400w。
Fixed heat energy can be arranged according to the material of food, and when default can not exhaustive all materials consolidate
Determine heat energy, therefore is arranged in the present embodiment using the unit heat energy that the first stage thaws.
Specifically, it after the completion of thawing in the first stage, calculates to total heat energy Q consumed by thawed foodstuff1, can root
It is calculated according to the first heating power；Then according to total heat energy Q1With the first temperature rise △ T1Unit of account heat energy △ Q=Q1/
△T1.Fixation heat energy in this step S204 then can be equal to unit heat energy △ Q or be less than unit heat energy.
S205: pause is treated thawed foodstuff and is heated.
For after thawed foodstuff provides fixed heat energy, suspended by this step S206 and heated, so that wait the food that thaws
Object bulk temperature balance, so that homogeneous heating.And after thawing in the first stage, to which still there are more ice in thawed foodstuff
Crystalline substance, thus in pause stage, ice crystal heat transfer is very fast, so that will appear the case where temperature is fallen after rise to thawed foodstuff, that is, there is temperature drop,
It then needs to provide heat energy in time at this time and be heated.
Thus in this step S205, time out need to meet preset requirement, such as time out meets this section of time institute
The temperature drop of generation is less than or equal to default temperature drop threshold value, if having been above temperature drop threshold value, and defrosting is also not finished, then passes through step
S204 continues to provide heat energy to thawed foodstuff.Certainly, also settable regular time threshold value is as time out.In advance
If the mode that temperature drop threshold value and preset time threshold combine, when the second stage of several wheels is thawed in front, use to preset temperature drop
Threshold value controls, and a few wheel second stage for terminating fastly defrostings is changed to control with preset time threshold.This is because
Incipient earlier stage, it is also more to the ice crystal in thawed foodstuff, and last stages, ice crystal are fewer and fewer, also substantially no longer
It will appear temperature drop；Thus earlier stage determines that last stages are determined using preset time threshold using default temperature drop threshold value.Front
Stage and last stages can then judge that ice crystal and the water mixing of earlier stage, temperature rise is smaller, the ice of last stages by temperature rise
Brilliant smaller, temperature rise is also larger.
S206: the second temperature rise thawed to thawed foodstuff in second stage is calculated, judges whether the second temperature rise reaches second
Temperature rise standard.
After completing second stage defrosting every time, the second temperature rise to thawed foodstuff can be calculated, and judge second temperature rise
Whether second temperature rise standard is reached, if reaching, then it represents that defrosting is completed, therefore terminates to thaw；If not up to, then carrying out one
Secondary second stage is thawed, that is, returns to step S204.
In ice water solid-liquid phase change, temperature rise is slower, and temperature rise is handed over fastly after the completion of ice water solid-liquid phase change, is detected at this time
Temperature rise becomes larger, and therefore, can be sentenced by judging whether the second temperature rise reaches the second temperature rise standard in this step S206
Disconnected completion of whether thawing.
After the completion of thawing in the first stage in the present embodiment, is thawed by repeating second stage, avoids hot-spot,
Guarantee heating uniformity；And in second stage defrosting, pause heating time is controlled using temperature drop, to treat solution in time
Freeze food supplementary heating energy, to improve the heating defrosting efficiency to thawed foodstuff.
The present embodiment controls heating course of defrosting by the variation of temperature change and heat energy, is with meat below
Example, does entire course of defrosting the explanation in principle.Referring to Fig. 3, the temperature thermal change that Fig. 3 is meat freezing process is shown
It is intended to.Course of defrosting, that is, freezing process inverse process, thus can be by being studied freezing process to carry out to course of defrosting
Control.Such as the defrosting to meat, the freezing process of meat in Fig. 3 is seen first.
In the freezing process, the heat of meat releasing are as follows:
Q=m [cp1(T1-Tp)+wψr+cp2(Tp-T2)]
Wherein, Q is total exothermic energy, and m is the quality of meat, cp1And cp2Respectively meat freeze front and back specific heat capacity, ψ
For freezing rate, r is the latent heat that water forms ice, T1、Tp、T2Respectively initial temperature, phase transition temperature, final temperature.When freezing,
Meat heat release is broadly divided into three phases, the water exothermic phase that moisture cools down but do not freeze, and water is converted to the phase transformation heat release rank of ice
After the completion of section and phase change transition, ice continues the ice exothermic phase of cooling；From the figure 3, it may be seen that the latent heat of phase transformation exothermic phase is most
Greatly, Exotherm Time longest, phase temperature variation is smaller, and in water exothermic phase and ice exothermic phase, temperature change is larger.?
In entire freezing process, the variation of exothermic energy is more uniform.
Relative to the freezing process, course of defrosting also corresponds to it with 3 endothermic phases.Course of defrosting is being carried out to meat
In, by taking microwave thawing as an example, microwave heating principle are as follows:
Q=55.6 × 10-12E2fvε″r△ t=mcp△T
Wherein, E is electromagnetic field intensity, and f is microwave frequency, and V is volume, and Δ t is heating time, and Δ T is temperature rise, cpFor than
Thermal capacitance, ε "rFor dielectric loss factor.
Temperature rise slope k is obtained as a result, are as follows:
K=△ T/ △ t=(55.6 × 10-12E2fv/m)×(ε″r/cp)
The dielectric loss factor of water is much larger than the dielectric loss factor of ice, such as the dielectric loss factor of -13 DEG C of ice is
The dielectric loss factor of 0.0028,25 DEG C of water is 12.3；And the specific heat capacity of ice is the half of water, the specific heat capacity of water is 4.2kJ/
(kg × DEG C), the specific heat capacity of ice is 2.1kJ/ (kg* DEG C)；Therefore by the formula of the above temperature rise slope k it is found that same heating power
Under, kWaterMuch larger than kIce。
Therefore, the ice thaw stage corresponds to the ice exothermic phase of freezing process in course of defrosting, at this time in meat containing big
Ice crystal and little water are measured, therefore can be heated by biggish first heating power, i.e., the water inside meat piece is quickly filled
Can, then by the ice of high thermoconductivity, fast speed heat transmitting is carried out, so that this stage temperature rise is more rapid.
And when temperature rise is to a certain temperature, the ice crystal in meat can progress into solid-liquid phase change state, therefore to prevent
Hot-spot adjusts heating power, using lesser second heating power, carries out the on-off type heating solution of constant heat energy
Freeze.
The process includes that ice water thaws the stage, and the phase transformation exothermic phase of corresponding freezing process utilizes the list in ice thaw stage
The heat energy of position temperature rise to carry out on-off type heating to meat, thaws initial stage in stage in the ice water, there is also more in meat
Ice crystal, the heat transmitting in meat is very fast, is easy to appear the case where temperature is fallen after rise after the heating, therefore fall after rise by monitoring temperature
To carry out energy supply to meat piece in time.
The process further includes the water thawing stage, and the water exothermic phase of corresponding freezing process feeds identical heat energy, ice
When aqueous phase, meat piece temperature rise is slow, and after being fully converted to water, meat piece temperature rise is fast, and temperature rise at this time can become larger.Therefore it records every
Temperature rise after secondary on-off type heating is thawed and is completed when single temperature rise is greater than the second temperature rise standard.Wherein, the second temperature rise standard
Can and obtained according to experiment.
It is realized using temperature energy variation to solution based on temperature energy variation principle, the present embodiment in the above course of defrosting
Freeze control, ensure that the uniform high-efficiency of course of defrosting.The specific implementation of the present embodiment unfreezing control method by hardware device and
Software architecture is realized.
From the perspective of software architecture, the application also proposes a kind of thawing control system, referring to Fig. 4, Fig. 4 is this Shen
Please one embodiment of thawing control system structural schematic diagram.The present embodiment thawing control system 100 include energy statistics module 11,
Temperature collecting module 12, data processing module 13 and microwave control module 14.
Wherein, energy statistics module 11 is used to count the heat energy in heating course of defrosting；Temperature collecting module 12 is used
In temperature of the record to thawed foodstuff；Data processing module 13 is for handling energy datum and temperature data, to realize
Control；Microwave control module 14 is then for controlling the output power of microwave.
Specifically, data processing module 13 controls the first stage solution that microwave control module 14 carries out the first heating power
Freeze；And the first temperature rise of temperature data acquisition acquired according to temperature collecting module 12, judge whether first temperature rise reaches first
Temperature rise standard controls the second stage defrosting that microwave control module 14 carries out the second heating power on-off type if reaching；And
The energy that the temperature data and energy statistics module 11 acquired in second stage course of defrosting according to temperature collecting module 12 counts
Data carry out heating time, time out and the control of number of repetition.Specifically retouched in above-mentioned unfreezing control method
It states, specifically repeats no more.
Defrosting control can be carried out based on the thawing control system 100, realizes that the heating of uniform high-efficiency is thawed.
From the perspective of hardware device, the application proposes a kind of thawing control device, referring to Fig. 5, Fig. 5 is the application
The structural schematic diagram of one embodiment of thawing control device.The present embodiment thawing control device 200 includes processor 21 and memory
22。
Wherein, storage is by computer program in memory 22, and processor 21 is for executing the computer program to realize
State unfreezing control method.Processor 21 can be a kind of IC chip, the processing capacity with signal.Processor 21 may be used also
To be general processor, digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA)
Either other programmable logic device, discrete gate or transistor logic, discrete hardware components.General processor can be
Microprocessor or the processor are also possible to any conventional processor etc..
Thawing control device 200 then can be the household appliances such as micro-wave oven, oven, steam box, and food is placed on defrosting control
Above-mentioned course of defrosting is realized in device 200；It can also be the controlling terminal of control thawing apparatus, food, which is placed on, to be heated
Thawing apparatus in, and thawing apparatus is controlled by controlling terminal, realizes above-mentioned course of defrosting, which then may be used
To be the intelligent appliances equipment such as refrigerator, it can also be the controlling terminals such as smart phone, wearable device.Controlling terminal and thawing apparatus
Wireless connection can be used.
Realize that the device of defrosting can be micro-wave oven in the present embodiment, the structure of micro-wave oven sees Fig. 6, and Fig. 6 is this Shen
Please micro-wave oven structural schematic diagram.
Wherein, micro-wave oven 300 includes microwave oven cavity, the vessel of accommodating food and is detachably consolidated by fixed card buckle
Infrared temperature sensor on microwave oven cavity is set calmly.By infrared temperature sensor temperature acquisition can be carried out to food,
The temperature of food is obtained by the way of being generally averaged after multi-point Temperature Collection.
For the logical process of above-mentioned unfreezing control method, can exist in the form of a computer program, thus the application
A kind of computer storage medium is proposed, referring to Fig. 7, Fig. 7 is the structural representation of one embodiment of the application computer storage medium
Figure.It is stored with computer program 41 in the present embodiment computer storage medium 400, above-mentioned unfreezing control method can be performed.
The present embodiment computer storage medium 400 can be USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. can store program and refer to
The medium of order, or may be the server for being stored with the program instruction, which can send the program instruction of storage
It is run to other equipment, or can also be with the program instruction of the self-operating storage.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of unfreezing control method, which is characterized in that the unfreezing control method includes:
Thawed foodstuff is treated with the first heating power and carries out first stage defrosting, to thawed foodstuff in first rank described in
The first temperature rise that section is thawed reaches the first temperature rise standard；
Second stage defrosting is carried out to thawed foodstuff to described with the second heating power on-off type；
It repeats the second stage to thaw, until described reach to thawed foodstuff in the second temperature rise that last time second stage is thawed
To the second temperature rise standard；
Wherein, first heating power is greater than second heating power.
2. unfreezing control method according to claim 1, which is characterized in that pair with the second heating power on-off type
It is described to carry out second stage defrosting to thawed foodstuff, comprising:
It is heated to described to thawed foodstuff with the second heating power, wherein heating time makes based on second heating
The heat energy of power and the heating time meet energy preset requirement；
Pause is heated to described to thawed foodstuff, wherein time out meets pause preset requirement.
3. unfreezing control method according to claim 2, which is characterized in that the unfreezing control method further comprises:
It calculates described thaw to thawed foodstuff in the first stage and realizes unit heat energy consumed by unit temperature rise；
It is default that the heating time to meet based on second heating power and the heat energy of the heating time energy
It is required that, comprising:
The heating time to be less than or equal to institute based on second heating power and the heat energy of the heating time
State unit heat energy.
4. unfreezing control method according to claim 3, which is characterized in that thawed foodstuff described described in the calculating
First stage, which thaws, realizes unit heat energy consumed by unit temperature rise, comprising:
It is calculated according to the first heating power described to thawed foodstuff total heat energy consumed by first stage defrosting；
The unit heat energy is calculated according to total heat energy and first temperature rise.
5. unfreezing control method according to claim 2, which is characterized in that the time out, which meets, suspends default want
It asks, comprising:
The time out make it is described be less than or equal to thawed foodstuff in the temperature drop that second stage is thawed preset temperature drop threshold value.
6. unfreezing control method according to claim 2, which is characterized in that the time out, which meets, suspends default want
It asks, comprising:
The time out reaches preset time threshold.
7. unfreezing control method according to claim 2, which is characterized in that pair with the second heating power on-off type
It is described to carry out second stage defrosting to thawed foodstuff, further comprise:
Pause to described after thawed foodstuff heats, calculate the to thaw to thawed foodstuff in the second stage
Two temperature rises；
Judge whether second temperature rise reaches the second temperature rise standard；
Reach the second temperature rise standard in response to second temperature rise, terminates to thaw；
It is not up to the second temperature rise standard in response to second temperature rise, the second stage is repeated and thaws.
8. unfreezing control method according to claim 1, which is characterized in that described to treat defrosting food with the first heating power
Object carries out first stage defrosting, until described reach the first temperature rise in the first temperature rise that the first stage thaws to thawed foodstuff
Standard, comprising:
Detection is described to be started the initial temperature of first stage defrosting to thawed foodstuff and carries out the current of the first stage defrosting
Temperature；
Using the difference of the Current Temperatures and the initial temperature as the first temperature rise；
Judge whether first temperature rise reaches the first temperature rise standard；
Reach the first temperature rise standard in response to first temperature rise, terminates the first stage defrosting；
It is not up to the first temperature rise standard in response to first temperature rise, continues the first stage defrosting.
9. a kind of thawing control device, which is characterized in that the thawing control device includes processor and memory, the storage
Computer program is stored in device, the processor is any in claim 1-8 to realize for executing the computer program
The step of item the method.
10. a kind of computer storage medium, which is characterized in that the computer storage medium is stored with computer program, described
Computer program is performed the step of to realize any one of claim 1-8 the method.
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| CN111165557A (en) * | 2020-02-09 | 2020-05-19 | 董锦铭 | Frozen meat thawing method and device |
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