CN105611657B - Method and apparatus, electric oven based on temperature change intelligent compensation heating time - Google Patents
Method and apparatus, electric oven based on temperature change intelligent compensation heating time Download PDFInfo
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- CN105611657B CN105611657B CN201510998836.XA CN201510998836A CN105611657B CN 105611657 B CN105611657 B CN 105611657B CN 201510998836 A CN201510998836 A CN 201510998836A CN 105611657 B CN105611657 B CN 105611657B
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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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
- H05B1/0263—Ovens
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/01—Vessels uniquely adapted for baking
- A47J37/015—Vessels uniquely adapted for baking electrically heated
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electric Stoves And Ranges (AREA)
- Electric Ovens (AREA)
Abstract
This application provides a kind of method and apparatus based on temperature change intelligent compensation heating time, electric oven, which comprises when electrical equipment is in running order, obtains the indoor temperature of electrical equipment chamber in real time；Judge whether the temperature occurs more than the decline of default fluctuation range；If so, obtaining cavity environment variable condition parameter, the compensation time is calculated according to the cavity environment variable condition parameter, and the operational parameter control of electrical equipment is adjusted according to the compensation time dynamic.The application simultaneously can carry out baking time compensation according to the amplitude and time that temperature declines, intelligence computation by above-mentioned means automatically, and it is not necessary to modify heating times that once complete baking process can be completed by user, can largely improve the usage experience of user.
Description
Technical field
This application involves food processing electrical appliance fields, particularly, when being related to a kind of heating based on temperature change intelligent compensation
Between method and apparatus, electric oven.
Background technique
With the raising of social standard of living, food health is increasingly paid close attention to, more and more people begin to focus on family
Food processing, the electric equipment products such as Domestic electric oven, micro-wave oven have gradually come into family kitchen.By taking the use of electric oven as an example,
In actual use, some operations will lead to oven spin manifold temperature and have greatly changed, for example, opening in baking process
Door, will lead to the cavity temperature rapid drawdown of oven, even if oven works on after closing the door, cavity rises to the temperature before opening the door
It is also required to the regular hour.When baking baking temperature and baking can be arranged according to the menu introduction on network in general user
The roasting time, still, when occur because open the door in baking process check the operation such as baking mode caused by cavity temperature rapid drawdown the problems such as
When, after baking time set by user reaches, it may appear that the problem of food is lacking due to baking dynamics deficiency, it can only
After baking terminates, by user rule of thumb the predictive compensation time and carry out baking compensation, bad use is brought to user
Experience.
Summary of the invention
The application provides a kind of method and apparatus based on temperature change intelligent compensation heating time, electric oven, for solving
The equipment such as certainly existing electric oven need user when there is the case where cavity temperature rapid drawdown, and setting compensates asking for heating time by hand
Topic.
A kind of method based on temperature change intelligent compensation heating time disclosed in the present application, comprising: at electrical equipment
When working condition, the indoor temperature of electrical equipment chamber is obtained in real time；Judge whether the temperature occurs more than default fluctuation model
The decline enclosed；If so, cavity environment variable condition parameter is obtained, when calculating compensation according to above-mentioned cavity environment variable condition parameter
Between, and according to the operational parameter control of the compensation time dynamic adjustment electrical equipment；Wherein, the cavity environment variable condition
Parameter includes chamber temp when beginning to decline, the chamber temp decline time started, the minimum chamber temp being reduced to, reaches most
Time, default thermal field temperature and chamber temp when low chamber temp rise to the time of default thermal field temperature.
Preferably, the compensation time is calculated using following formula:
Wherein, t indicates the compensation time, and T2 indicates that chamber temp when beginning to decline, t1 indicate that chamber temp decline starts
Time, T1 indicate that the minimum chamber temp being reduced to, t2 indicate time when reaching minimum chamber temp, and T0 indicates default thermal field
Temperature, t3 indicate that chamber temp rises to the time of default thermal field temperature.
Preferably, chamber temp T2 when beginning to decline is equal to default thermal field temperature T0, the meter of the compensation time t
It is as follows to calculate formula:
Preferably, the electrical equipment is electric oven.
A kind of device based on temperature change intelligent compensation heating time disclosed in the present application, comprising: temperature obtains in real time
Module, for obtaining the indoor temperature of electrical equipment chamber in real time when electrical equipment is in running order；Temperature change judges mould
Block, for judging whether the indoor temperature of the chamber occurs more than the decline of default fluctuation range, when the indoor temperature of the chamber
When fall is more than default fluctuation range, scheduled time computing module calculates the time for needing to compensate；Compensate time meter
Module is calculated, for obtaining cavity environment variable condition parameter, the compensation time is calculated according to the cavity environment variable condition parameter,
And be sent to the control unit of electrical equipment the compensation time；Wherein, the cavity environment variable condition parameter includes opening
Chamber temp, chamber temp decline time started when beginning to decline, the minimum chamber temp being reduced to, the minimum chamber temp of arrival
When time, default thermal field temperature and chamber temp rise to time of default thermal field temperature.
Preferably, the compensation time is calculated using following formula:
Wherein, t indicates the compensation time, and T2 indicates that chamber temp when beginning to decline, t1 indicate that chamber temp decline starts
Time, T1 indicate that the minimum chamber temp being reduced to, t2 indicate time when reaching minimum chamber temp, and T0 indicates default thermal field
Temperature, t3 indicate that chamber temp rises to the time of default thermal field temperature.
Preferably, chamber temp T2 when beginning to decline is equal to default thermal field temperature T0, the meter of the compensation time t
It is as follows to calculate formula:
Preferably, the electrical equipment is electric oven.
A kind of electric oven disclosed in the present application, including control unit, temperature sensor and it is above-mentioned based on temperature change intelligence
Compensate the device of heating time, in which: the temperature obtains module in real time and obtains electric oven chamber in real time by temperature sensor
Interior temperature；After described control unit receives the compensation time that compensation time computing module is sent, dynamic adjusts the fortune of electric oven
Row control parameter.
Compared with prior art, the application has the following advantages:
The application preferred embodiment can be according to the amplitude and time that temperature declines, intelligence computation and when being toasted automatically
Between compensation (i.e. increase baking time), it is not necessary to modify heating times that primary complete baking process can be completed by user, can be compared with
Improve to big degree the usage experience of user.
Detailed description of the invention
Fig. 1 is the flow chart of method one embodiment of the application based on temperature change intelligent compensation heating time；
Fig. 2-1 is the normal stoving temperature curve of oven (i.e. noiseless in baking process, cavity temperature is normal)；
Fig. 2-2 is the normal stoving temperature curve of oven after Fig. 2-1 optimization；
Fig. 2-3 be oven stoving temperature curve impacted in temperature-rise period (in temperature-rise period cavity temperature due to
Other operations reduce)；
(cavity temperature is due to other operation drops in temperature-rise period for the stoving temperature curve after Fig. 2-3 optimization by Fig. 2-4
It is low)；
(cavity temperature is due to other operations in temperature-rise period for the stoving temperature curve after Fig. 2-4 time bias by Fig. 2-5
It reduces)；
Fig. 2-6 be oven after stabilizing the temperature impacted stoving temperature curve (after stabilizing the temperature cavity temperature due to
Other operations reduce)；
(cavity temperature is due to other operation drops after stabilizing the temperature for the stoving temperature curve after Fig. 2-6 optimization by Fig. 2-7
It is low)；
(cavity temperature is due to other operations after stabilizing the temperature for the stoving temperature curve after Fig. 2-7 time bias by Fig. 2-8
It reduces)；
Fig. 3 is the structural schematic diagram of device one embodiment of the application based on temperature change intelligent compensation heating time.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real
Applying mode, the present application will be further described in detail.
Referring to Fig.1, the process of method one embodiment of the application based on temperature change intelligent compensation heating time is shown,
In this method embodiment, for convenience of describing, it is illustrated by taking oven as an example；In addition, will lead to oven cavity temperature decrease
Reason is illustrated for opening the door, but the application not limits this, is also possible to temperature decrease caused by other are operated.This
Preferred method embodiment the following steps are included:
Step S101: when electric oven is in running order, the indoor temperature of oven cavity is obtained in real time；
In the preferred embodiment, the indoor temperature of oven cavity can be by being arranged in the indoor temperature sensing of electric oven chamber
Device obtains in real time.
Step S102: judge whether the temperature occurs more than the decline of default fluctuation range；If so, going to step S103；
Otherwise, terminate this process；
By taking the course of work of electric oven as an example, incipient stage heating tube is continued working, after reaching default thermal field temperature, heating
Pipe stops fever；It hereafter, is the indoor stoving temperature of holding chamber, heating tube fever on and off, until baking time terminates.If
It indicates that chamber temp changes with time rule with stoving temperature curve, is incremental straight line in the incipient stage, then (reaches
After default thermal field temperature) it is the curve fluctuated up and down, as shown in attached drawing 2-1.Judging whether chamber temp occurs because of enabling etc.
When operation causes rapid drawdown, need to foreclose the fluctuation of chamber temp within the above range, it can be by curve shown in Fig. 2-1
The half of height is as default fluctuation range on y direction.
Step S103: obtaining cavity environment variable condition parameter, is calculated and is mended according to the cavity environment variable condition parameter
It repays the time, and adjusts the operational parameter control of electric oven according to the compensation time dynamic；
Wherein, the cavity environment variable condition parameter includes that chamber temp when beginning to decline, chamber temp decline are opened
On time, default thermal field temperature and chamber temp when time beginning, the minimum chamber temp being reduced to, the minimum chamber temp of arrival
It is raised to the time etc. of default thermal field temperature.
In the following, illustrating the specific algorithm for calculating the compensation time in the application step S103 in conjunction with attached drawing 2-1~2-8.
During the work time, incipient stage continuous heating, after reaching default thermal field temperature, heating tube stops fever to oven,
This rear heating tube fever on and off, until baking time terminates.Specific stoving temperature curve is to start straight line to be incremented by, then on
The curve of lower fluctuation, as shown in attached drawing 2-1.It in the preferred embodiment, can be using temperature curve and time shaft (lateral shaft)
Between area be food needs in baking process heat summation.
Since stoving temperature curve is on the basis of default thermal field temperature, float up and down, and the fluctuating range to float up and down is poor
Temperature curve can be reduced to attached drawing 2-2 for convenience of calculation away from very little.
Oven is in baking process, it sometimes appear that the case where observing dietary regimen of opening the door, and once open the door, it will lead to roasting
Case cavity temperature rapid drawdown.After closing the door again, it is also desirable to which the regular hour can just be such that the intracorporal temperature of oven cavity is restored to out
Temperature before door.It can see from the curve of attached drawing 2-2, the heating process of oven is broadly divided into two parts:
Process 1: oven persistent fever when start-up operation, the process that temperature ramps.
Process 2: after the rising of first round temperature, the process of oven temperature holding.
The movement of enabling is likely to occur in any time of baking, and attached drawing 2-3 show door opening action and occurs in process 1
Situation, attached drawing 2-6 are that there is a situation where in process 2 for door opening action.
For the first case:
For ease of calculation, the stoving temperature curve of attached drawing 2-3 is optimized, the stoving temperature curve after optimization referring to
Attached drawing 2-4, can be using the area of dash area A as thermal loss caused by this opening door operation.
Opening door operation results in the thermal loss of oven cavity, when reaching preset time t 0, what this baked goods obtained
Shortage of heat, so needing to compensate baking time, baking time is increased t automatically, and (t is rectangle B in time shaft side
Upward absolute value, and the area of rectangle B is equal to the area of dash area A).Compensated stoving temperature curve such as attached drawing 2-
Shown in 5.Wherein:
Longitudinal coordinate axle indicates temperature:
T1: causing temperature to reduce due to door opening action, the minimum chamber temp being reduced to；
T2: when door opening action, the Current Temperatures of oven chamber；
T0: default thermal field temperature is determined by predetermined temperature；
Transverse coordinate axis indicates the time:
T1: opening time；
T2: chamber temp falls to the time of minimum temperature T1；
T3: temperature rises to the time of default thermal field temperature T0；
The area S of shade AACalculation method:
SA=(T0-T1) * (t3-t1)-(T0-T2) * (t3-t1)/2- (T2-T1) * (t2-t1)/2- (T0-T1) * (t3-
t2)/2
Enable the area S of shade BBArea S equal to shade AA, it can calculate the length for obtaining shade B on time-axis direction
(the baking time t=t0 ˊ-t0 for needing to compensate, wherein t0 is the preset baking end time to degree, and t0 ˊ is to increase the compensation time
The baking end time afterwards), calculation method are as follows:
The area of t=shade B/shade B height=SA/T0。
For second situation:
For ease of calculation, the temperature curve of attached drawing 2-6 is optimized, the temperature curve after optimization is referring to attached drawing 2-7.
The area of dash area A is thermal loss caused by this opening door operation.
Opening door operation results in the thermal loss of oven cavity, the shortage of heat that this baked goods obtains, so to baking
The roasting time compensates, and baking time is increased t automatically, and t is absolute value of the rectangle B on time-axis direction, and rectangle B
Area be equal to shaded area A.Compensated temperature curve is as shown in attached drawing 2-8.
The area S of shade AACalculation method:
The temperature of longitudinal coordinate axle is thermal field temperature, starts chamber temp T2=when rapid drawdown at this time and presets thermal field temperature
T0。
Δ T=T2-T1=presets the minimum temperature that temperature drops to after thermal field temperature T0- opens the door；
It is t1: i.e. opening time at the beginning of transverse coordinate axis；
The end time of transverse coordinate axis is t3: i.e. the temperature of oven temperature sensor reaches default thermal field temperature T0 again
Time.
At this point, the area of shade A are as follows: SA=(T0-T1) * (t3-t1)/2.
Enable the area S of shade BBArea S equal to shade AA, it can it calculates and obtains shade B in the time of lateral axis direction
(the baking time t) for needing to compensate, calculation method are as follows:
Area/B height of t=shade B=((T0-T1) * (t3-t1)/2)/T0.
It should be noted that by T0=T2 substitute into the first situation calculate compensation time t formula, it is available with it is above-mentioned
Therefore the formula of the first situation can be considered as general formula by the identical formula of formula, second situation is considered as
A kind of special case of situation.
The application preferred embodiment can change for oven temperature by above-mentioned means, provide a kind of intelligent time
Backoff algorithm, in the case where chamber temp rapid drawdown caused by occurring because of the operation such as open the door, it is not necessary to modify baking times to be by user
Achievable primary complete baking process.
For the various method embodiments described above, simple in order to describe, therefore, it is stated as a series of action combinations, but
It is that those skilled in the art should be aware of, the application is not limited by the described action sequence, because according to the application,
Certain steps can serially or simultaneously be executed using other；Secondly, those skilled in the art should also know that, the above method is implemented
Example belongs to preferred embodiment, necessary to related actions and modules not necessarily the application.
Referring to Fig. 3, the structure of device one embodiment of the application based on temperature change intelligent compensation heating time is shown
Block diagram, comprising:
Temperature obtains module 31 in real time, for being in work shape in the electrical equipment (such as electric oven) configured with described device
When state, the indoor temperature of electrical equipment chamber is obtained in real time；
Temperature change judgment module 32, for judging whether the indoor temperature of the chamber occurs more than default fluctuation range
Decline, when the indoor temperature fall of the chamber is more than default fluctuation range, scheduled time computing module 33 is calculated
The time for needing to compensate；
Time computing module 33 is compensated, for obtaining cavity environment variable condition parameter, is changed according to the cavity environment
State parameter calculates the compensation time, and the compensation time is sent to the control unit of electrical equipment (such as electric oven)；
When cavity environment variable condition parameter therein includes that chamber temp, the chamber temp when beginning to decline decline beginning
Between, the minimum chamber temp that is reduced to, time, default thermal field temperature and chamber temp when reaching minimum chamber temp rise to
The time of default thermal field temperature.
In a further preferred embodiment, when compensation time computing module 33 calculates compensation using following formula
Between:
In above-mentioned formula, t indicates the compensation time, and T2 indicates chamber temp when beginning to decline, when t1 indicates that decline starts
Between, T1 indicates that the minimum chamber temp being reduced to, t2 indicate time when reaching minimum chamber temp, and T0 indicates default thermal field temperature
Degree, t3 indicate that chamber temp rises to the time t3 of default thermal field temperature.
In another further preferred embodiment, the chamber temp T2 when beginning to decline is equal to default thermal field temperature
When T0, compensation time t can be calculated using following formula:
Disclosed herein as well is a kind of electric oven having based on temperature change intelligent compensation heating time function, the electricity is roasting
Case be configured with the device shown in Fig. 3 based on temperature change intelligent compensation heating time, electric oven be also configured with control unit and
Temperature sensor, in which: the temperature obtains module 31 in real time and obtains the indoor temperature of electric oven chamber in real time by temperature sensor
Degree；After described control unit receives the compensation time that compensation time computing module 33 is sent, dynamic adjustment control electric oven work
The operating parameter of time.
It should be noted that above-mentioned apparatus and electric oven embodiment belong to preferred embodiment, related unit and module
Not necessarily necessary to the application.It is further to note that the application is based on temperature change intelligent compensation heating time
Installation practice can be also used for other electric equipment products such as micro-wave oven so that above-mentioned electric equipment products increase be based on temperature change intelligence
The function of heating time can be compensated.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.For the dress of the application
For setting embodiment, since it is basically similar to the method embodiment, so being described relatively simple, related place is referring to method reality
Apply the part explanation of example.
It is roasting to a kind of method and apparatus based on temperature change intelligent compensation heating time provided herein, electricity above
Case is described in detail, and specific examples are used herein to illustrate the principle and implementation manner of the present application, above
The explanation of embodiment is merely used to help understand the present processes and its core concept；Meanwhile for the general skill of this field
Art personnel, according to the thought of the application, there will be changes in the specific implementation manner and application range, in conclusion this
Description should not be construed as the limitation to the application.
Claims (7)
1. a kind of method based on temperature change intelligent compensation heating time characterized by comprising
When electrical equipment is in running order, the indoor temperature of electrical equipment chamber is obtained in real time；
Judge whether the temperature occurs more than the decline of default fluctuation range；
If so, obtaining cavity environment variable condition parameter, the compensation time is calculated according to above-mentioned cavity environment variable condition parameter, and
The operational parameter control of electrical equipment is adjusted according to the compensation time dynamic；
Wherein, when the cavity environment variable condition parameter includes that chamber temp when beginning to decline, chamber temp decline start
Between, the minimum chamber temp that is reduced to, time, default thermal field temperature and chamber temp when reaching minimum chamber temp rise to
The time of default thermal field temperature；
The compensation time is calculated using following formula:
Wherein, t indicates the compensation time, and T2 indicates that chamber temp when beginning to decline, t1 indicate that chamber temp declines the time started,
T1 indicates that the minimum chamber temp being reduced to, t2 indicate time when reaching minimum chamber temp, and T0 indicates default thermal field temperature,
T3 indicates that chamber temp rises to the time of default thermal field temperature.
2. the method according to claim 1, wherein chamber temp T2 when beginning to decline is equal to default temperature
The calculation formula of field temperature T0, the compensation time t are as follows:
3. the method according to claim 1, wherein the electrical equipment is electric oven.
4. a kind of device based on temperature change intelligent compensation heating time characterized by comprising
Temperature obtains module in real time, for obtaining the indoor temperature of electrical equipment chamber in real time when electrical equipment is in running order
Degree；
Temperature change judgment module, for judging whether the indoor temperature of the chamber occurs more than the decline of default fluctuation range,
When the indoor temperature fall of the chamber is more than default fluctuation range, the calculating of scheduled time computing module needs to compensate
Time；
Time computing module is compensated, for obtaining cavity environment variable condition parameter, is joined according to the cavity environment variable condition
Number calculates the compensation time, and the compensation time is sent to the control unit of electrical equipment；
Wherein, when the cavity environment variable condition parameter includes that chamber temp when beginning to decline, chamber temp decline start
Between, the minimum chamber temp that is reduced to, time, default thermal field temperature and chamber temp when reaching minimum chamber temp rise to
The time of default thermal field temperature；
The compensation time is calculated using following formula:
Wherein, t indicates the compensation time, and T2 indicates that chamber temp when beginning to decline, t1 indicate that chamber temp declines the time started,
T1 indicates that the minimum chamber temp being reduced to, t2 indicate time when reaching minimum chamber temp, and T0 indicates default thermal field temperature,
T3 indicates that chamber temp rises to the time of default thermal field temperature.
5. device according to claim 4, which is characterized in that chamber temp T2 when beginning to decline is equal to default temperature
The calculation formula of field temperature T0, the compensation time t are as follows:
6. device according to claim 4, which is characterized in that the electrical equipment is electric oven.
7. a kind of electric oven, which is characterized in that including control unit, temperature sensor and any base of claim 4 to 5
In the device of temperature change intelligent compensation heating time, in which:
The temperature obtains module in real time and obtains the indoor temperature of electric oven chamber in real time by temperature sensor；
After described control unit receives the compensation time that compensation time computing module is sent, dynamic adjusts the operation control of electric oven
Parameter.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3324164B1 (en) * | 2016-11-21 | 2019-01-23 | Sensirion AG | Compensating a sensor signal |
| CN106777765B (en) * | 2016-12-31 | 2019-07-12 | 浙江大学 | Convenient and fast thermal sterilization runout compensation method |
| CN107168408B (en) * | 2017-06-20 | 2019-08-27 | 浙江绍兴苏泊尔生活电器有限公司 | Baking control method of toaster and toaster |
| CN109558640B (en) * | 2018-10-31 | 2023-06-20 | 深圳和而泰智能控制股份有限公司 | Temperature determination method, temperature determination device, computer equipment and storage medium |
| CN111657738B (en) * | 2020-06-24 | 2021-12-17 | 广东美的厨房电器制造有限公司 | Control method and control device of cooking appliance, cooking appliance and storage medium |
| CN111802926A (en) * | 2020-07-24 | 2020-10-23 | 青岛海信电子产业控股股份有限公司 | Baking oven |
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| JP2585765B2 (en) * | 1988-11-29 | 1997-02-26 | 株式会社東芝 | Cooker |
| CN1955552A (en) * | 2005-10-25 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Feedforward control method for door opened at working station of microwave oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100315087B1 (en) * | 1994-10-31 | 2002-02-19 | 강성모 | Apparatus for compensating for cooking time if door is opened while cooking is in progress in gas oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2585765B2 (en) * | 1988-11-29 | 1997-02-26 | 株式会社東芝 | Cooker |
| CN1955552A (en) * | 2005-10-25 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Feedforward control method for door opened at working station of microwave oven |
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