CN101292837B - Method for determining optimum cooking and boiling power of electric cooker - Google Patents
Method for determining optimum cooking and boiling power of electric cooker Download PDFInfo
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- CN101292837B CN101292837B CN2008100712180A CN200810071218A CN101292837B CN 101292837 B CN101292837 B CN 101292837B CN 2008100712180 A CN2008100712180 A CN 2008100712180A CN 200810071218 A CN200810071218 A CN 200810071218A CN 101292837 B CN101292837 B CN 101292837B
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- enrichment factor
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Abstract
The present invention relates to a method for confirming the best cooking power of an electric rice cooker. The method is to calculate the cooking power according to the evaporation of water during the cooking process and the weight change of solution (water and cooked material) inside the whole cooker, and an automatic power-changing cooking method is used. At the moment, K' is equal to eta multiplied by K (eta is more than 0 and less than 1), eta is adjusted according to the actual requirement, so as to cook the rice and not to cause the problem of spillage at the same time. The electric rice cooker designed according to the calculation of the present invention has obvious energy-saving effect and has large popularization and application value.
Description
Technical field
The present invention relates to a kind of computational methods of best cooking power of definite electric cooker.
Background technology
As have steaming, boil, simmer, all there is the power of uncontrollable cooking thing in various degree in the electric cooker of stewing multiple function, what have is uncontrollable dense rare, what have can't hold soft or hard, the soup that has overflows seriously, cause electrical short-circuit, the length that can't take the time that also has, power consumption phenomenon consuming time happens occasionally.For example the pre-fixed pattern of applicant's enrichment factor intelligence electric cooker (patent No. is ZL200620084352.0) though can be according to the preestablishing of user, controlling cooked enrichment factor, it can't realize that the best cooking power in the cooking process determines.
Consider in the electric cooker cooking process because the evaporation of moisture, solution (water and the cooking thing) weight of whole cooker the inside tails off, so cooking power can suitably reduce, makes them on the one hand can be according to the cooked article of people's different taste requirement, on the other hand can energy savings, moreover save time.According to actual cooking process lunch or congee overflow problem, also can adopt automated power to switch the cooking method in addition, reach and to boil meal, overcome overflow problem simultaneously, improve coefficient safe in utilization.
Summary of the invention
The technical problem to be solved in the present invention is to be to provide a kind of best cooking power of electric cooker to determine method, uses this method and can allow electric cooker realize energy-conservation, timesaving function, can overcome overflow problem simultaneously.
The present invention is achieved through the following technical solutions:
The best cooking power of electric cooker is determined method, is the evaporation according to moisture in the cooking process, and solution (water and the cooking thing) mass change of whole cooker the inside is calculated the method for cooking power, and it may further comprise the steps:
According to realtime power is the function of real-time enrichment factor, drafts following power function:
P=P(keep)…………………………………………(2)
P (keep) is about 20 watts, and promptly heating system enters the keeping warm mode setting:
When ρ=100%, P=100%P
Max
As ρ=ρ
0+ 6% o'clock, P=3%P
Max
P wherein
MaxBe the peak power of electric cooker,
Can solve in substitution (1) formula:
Wherein, P ... realtime power,
ρ ... real-time enrichment factor (ratio of the surplus water and the initial water yield),
ρ
0The initial setting enrichment factor is that empirical data is 60%~90%, is determined by user's interest taste oneself.
γ ... cooking thing factor coefficient is that experimental data is 1~1.5, adjusts according to actual cooking thing.
According to actual cooking process lunch or congee overflow problem, adopt Automatic Variable Power cooking method, K '=η * K (0<η<1) according to the actual η that adjusts, reached and can boil meal this moment, did not cause overflow problem simultaneously.
Can also introduce volatility, calculate the functional relation of realtime power and volatility: suppose that the initial water yield is W
0, volatility is λ, and t is the time, and then enrichment factor ρ can be expressed as in real time:
To can get the functional relation of P and volatility in (3) substitution (1):
Wherein λ is that volatility is determined by experiment.
The electric cooker energy-saving effect that adopts calculation Design of the present invention to go out is remarkable, has bigger application value.
The specific embodiment
According in the cooking process because the evaporation of moisture, solution (water and the cooking thing) weight of whole cooker the inside tails off, so cooking power can suitably reduce, make its cooked article of energy on the one hand, on the other hand can energy savings, moreover time-saving principle, draft the function that realtime power is real-time enrichment factor:
P=P(keep)…………………………………………(2)
P (keep) is about 20 watts, and promptly heating system enters keeping warm mode
Be provided with:
When ρ=100%, P=100%P
Max
As ρ=ρ
0+ 6% o'clock, P=3%P
Max
P wherein
MaxBe the peak power of electric cooker,
Can solve in substitution (1) formula:
Wherein, P ... realtime power,
ρ ... real-time enrichment factor (ratio of the surplus water and the initial water yield),
ρ
0The initial setting enrichment factor is that empirical data is 60%~90%, is determined by user's interest taste oneself.
γ ... cooking thing factor coefficient is that experimental data is 1~1.5, adjusts according to actual cooking thing.
Can also introduce volatility, calculate the functional relation of realtime power and volatility: suppose that the initial water yield is W
0, volatility is λ, and t is the time, and then enrichment factor ρ can be expressed as in real time:
To can get the functional relation of P and volatility in (3) substitution (1):
γ and ρ
0Be experimental data, temporarily provide, adjust according to actual by following table
According to actual cooking process lunch or congee overflow problem, adopt Automatic Variable Power cooking method, K '=η * K (0<η<1) according to the actual η that adjusts, reached and can boil meal this moment, did not cause overflow problem simultaneously.
According to the inventive method, in concrete enforcement, the check weighing system of system is constantly measured the weight of whole cooker body, calculate real-time enrichment factor then, calculate realtime power again, adopt Self Adaptive Control, allow the power that adopted in the whole cooking process not cause and overflow, default up to enrichment factor arrival, finally realize cooked article, energy-conservation, timesaving function.
Claims (3)
1. the best cooking power of an electric cooker is determined method, it is characterized in that may further comprise the steps:
Draft the function that realtime power is real-time enrichment factor:
P =P(keep)…………………………………………(2)
P (keep) is that heating system enters the required power of keeping warm mode;
In (1) formula, be provided with:
When ρ=100%, P=100%P
Max
As ρ=ρ
0+ 6% o'clock, P=3%P
Max
P wherein
MaxBe the peak power of electric cooker,
Can solve in substitution (1) formula:
Wherein, P ... realtime power,
ρ ... real-time enrichment factor (ratio of the surplus water and the initial water yield),
ρ
0The initial setting enrichment factor is that empirical data is 60%~90%, is determined by user's interest taste oneself;
γ ... cooking thing factor coefficient is that experimental data is 1 ~ 1.5, adjusts according to actual cooking thing.
2. the best cooking power of electric cooker according to claim 1 is determined method, it is characterized in that according to actual cooking process lunch or congee overflow problem, adopts Automatic Variable Power cooking method, this moment K '=η * K (0<η<1), according to the actual η that adjusts.
3. the best cooking power of electric cooker according to claim 1 is determined method, it is characterized in that introducing volatility, calculates the functional relation of realtime power and volatility:
Suppose that the initial water yield is W
0, volatility is λ, and t is the time, and then enrichment factor ρ can be expressed as in real time:
To can get the functional relation of P and volatility in (3) substitution (1):
Wherein λ is that volatility is determined by experiment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100712180A CN101292837B (en) | 2008-06-16 | 2008-06-16 | Method for determining optimum cooking and boiling power of electric cooker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100712180A CN101292837B (en) | 2008-06-16 | 2008-06-16 | Method for determining optimum cooking and boiling power of electric cooker |
Publications (2)
Publication Number | Publication Date |
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CN101292837A CN101292837A (en) | 2008-10-29 |
CN101292837B true CN101292837B (en) | 2011-06-15 |
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CN2008100712180A Expired - Fee Related CN101292837B (en) | 2008-06-16 | 2008-06-16 | Method for determining optimum cooking and boiling power of electric cooker |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101940433B (en) * | 2010-02-22 | 2012-10-17 | 谢国华 | Electric heating kettle with weighting function and weighting control method thereof |
JP4999999B1 (en) * | 2011-09-05 | 2012-08-15 | 三菱電機株式会社 | rice cooker |
CN103070600A (en) * | 2012-09-03 | 2013-05-01 | 广东天际电器股份有限公司 | Cooking method for controlling liquid level automatically and cooker using method |
CN103784002A (en) * | 2014-03-08 | 2014-05-14 | 胡达广 | Self-adaptive electric cooker |
CN104957976A (en) * | 2015-06-23 | 2015-10-07 | 广东新宝电器股份有限公司 | Energy-saving kettle and heating method thereof |
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2008
- 2008-06-16 CN CN2008100712180A patent/CN101292837B/en not_active Expired - Fee Related
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