CN1346033A - Cooking apparatus - Google Patents
Cooking apparatus Download PDFInfo
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- CN1346033A CN1346033A CN01124384A CN01124384A CN1346033A CN 1346033 A CN1346033 A CN 1346033A CN 01124384 A CN01124384 A CN 01124384A CN 01124384 A CN01124384 A CN 01124384A CN 1346033 A CN1346033 A CN 1346033A
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- temperature
- time
- judgement
- mensuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/008—Ranges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/02—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values
- G01K3/04—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values in respect of time
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cookers (AREA)
- Control Of Combustion (AREA)
Abstract
The cooking device can determine correctly the boiling state of a liquid in a cooking vessel, even the determination temperature of the cooing vessel is affected by external factors. An ascending slope measurement mechanism (5) measures the ascending slope of the measurement temperature detectd by temperature sensor (5). A prediction time setting mechanism (9) measures a time that is required by varying of one DEG.C. in temperature of the pot (p). A measurement temperature correction mechanism (11) takes a predetermined measurement temperature as an initial correction temperature, and, when a timer (10) measures time repeatedly, corrects the correction temperature to increase one DEG.C., be maintained at a constant value, or decrease the themperature of one DEG.C. A boiling determination mechanism (13) determines that the liquid in the pot is in a boiling state when the accumulation value exceeds a boiling prediction value.
Description
Technical field
The present invention relates to have the heating cooking container heater, measure cooking container temperature temperature sensor and judge according to the mensuration temperature that temperature sensor is measured whether the liquid in the cooking container is in the boiling decision means of fluidized state.
Background technology
Cookers such as gas burner, if heaters such as the burned device of cooking container such as its bowl heating, the temperature that is placed in the liquid such as soup in the cooking container will rise gradually and seethe with excitement.Even the firepower of burner is not strong, the liquid in the cooking container also can be kept fluidized state, so, from saving the viewpoint of the energy, be preferably in and control on the basis of measuring fluidized state to reduce the firepower of burner.Therefore, a kind of for example disclosed in Japanese kokai publication hei 10-9576 communique, the cooker that can judge the fluidized state of the liquid in the cooking container has been proposed.At fluidized state, the temperature of liquid rests on boiling point, and the temperature of cooking container also rests on uniform temperature substantially, and this cooker has utilized this character.When the temperature by the cooking container of temperature sensor measurement continues to keep one regularly through certain hour, be judged to be fluidized state.
Summary of the invention
But owing to be subjected to the influence of cooker ambient wind, the fiery inflammation of burner can be rocked, this fire inflammation sometimes near or away from temperature sensor, the temperature of temperature sensor can with the fluid temperature change irrespectively in the cooking container.That is, sometimes such situation can occur: although the liquid in the cooking container is seething with excitement, the mensuration temperature of temperature sensor sharply rises, and does not rest on uniform temperature, does not arrive fluidized state as yet so be judged as.In addition, also such situation can occur sometimes: although the liquid in the cooking container does not seethe with excitement, the mensuration temperature of temperature sensor is still kept uniform temperature through certain hour, is judged as fluidized state mistakenly.
Therefore, problem of the present invention is, a kind of cooker is provided, even be subjected under the situation of external cause influences such as heater in the mensuration temperature of cooking container, this cooker also can correctly be judged the fluidized state of the liquid in the cooking container.
In order to solve above-mentioned problem, cooker of the present invention is characterized in that, has: timer, and this timer repeats instrumentation to the judgement time that the 1st variations in temperature will take place the temperature of predicting cooking container; The judgement temperature is determined means, this judgement temperature determines that the mensuration temperature of the regulation that means are measured temperature sensor is as judging temperature, then whenever timer repeats the instrumentation judgement during time, if the temperature that temperature sensor is measured is than judging the temperature height, just will judge that temperature improves the 1st temperature, it is temperature-resistant to keep judgement during isothermal, if ratio judgement temperature is hanged down then will be judged that temperature reduces the 1st temperature, by so carrying out correcting process, determine to judge temperature successively; Cumulative time is measured means, and it is measured and judges that temperature rests on the cumulative time of a temperature, and when the cumulative time that cumulative time mensuration means are measured was above at the appointed time, the boiling decision means judged that the liquid in the cooking container is in fluidized state.
If adopt the present invention, be not subjected at heater under the situation of influences such as wind, judge that temperature presents the variation roughly the same with the mensuration temperature of temperature sensor.Therefore, at fluidized state, judge that temperature continues to rest on a temperature with the same process of the mensuration temperature certain hour of temperature sensor.Therefore, judging that the cumulative time that temperature rests on this temperature increases gradually, is stipulated time when above when this cumulative time, is judged to be fluidized state by the boiling decision means.
Consider such situation at this: though be not fluidized state,, cause mensuration temperature that temperature sensor measures than judging that temperature exceeds more than the 1st temperature, so mensuration temperature certain time such as rests at temperature state because heater is subjected to the influence of wind etc.At this moment, as long as measure temperature than judging more than high the 1st temperature of temperature, then each judgement time judges that temperature respectively improves the 1st temperature, so, judge that temperature can not rest on a temperature in this certain hour.Therefore, can not occur judging that cumulative time that temperature rests on a temperature continues to increase and reach situation more than the stipulated time, just can avoid occurring judging by accident the situation that is decided to be fluidized state.
It is desirable to, described cooker has the variations in temperature of measuring the mensuration variation of temperature that temperature sensor measures and measures means, and determines means according to the judgement time of definite judgement time of this variations of being measured by variations in temperature mensuration means.
To the rise length of required judgement time of the 1st temperature of the temperature of prediction cooking container determines according to the variations in temperature by the cooking container of heater heating.That is,, can think that then this temperature will slowly rise in the future, so be defined as the judgement time longer if the temperature of cooking container rises slowly.On the other hand, if the temperature of cooking container rises rapidly, can think that then this temperature will rise rapidly in the future, so be defined as the judgement time shorter.Therefore, if employing the present invention just can suitably determine the judgement time according to the mensuration variations in temperature of being measured by temperature sensor, the judgement temperature of carrying out correcting process by each judgement time has just definitely reflected the temperature of actual cooking container.
It is desirable to, in described cooker, if the stepped rising of ceiling temperature, then variations in temperature is measured means to each of the discrepant a plurality of humidity provinces of temperature, the mensuration variation of temperature that mensuration is measured by temperature sensor, and the judgement time determines that means are according to this variation each definite judgement time to a plurality of humidity provinces.
In addition, it is desirable to, in described cooker, when the mensuration temperature of regulation rises the difference of a plurality of humidity provinces upper limit, the judgement temperature determines that means just will be modified to the judgement temperature by the mensuration temperature that temperature sensor is measured, and, carry out correcting process according to its temperature upper limit has been raise the determined judgement in humidity province time of this difference than last humidity province.
Generally speaking, it is corresponding that the mensuration temperature of being measured by temperature sensor and fluid temperature in the cooking container change, and roughly equably after the rising, along with near fluidized state, the degree of rising slows down.If adopt the cooker of this formation, gradually each of a plurality of humidity provinces that raise for ceiling temperature, with the mensuration variation of temperature that short time interval determination is measured by temperature sensor, determine the judgement time then, each instrumentation should just be revised and judge temperature the judgement time.Therefore, this judgement temperature correctly reflects the change along with the mensuration temperature that changes near fluidized state, and cumulative time and the stipulated time that will measure under a judgement temperature compare, and just can more correctly judge fluidized state.
It is desirable to, in described cooker, judge when temperature determines that means are carried out correcting process, judge that the continuous number of times that reduces the 1st temperature of temperature is restricted.
If adopt the present invention, though rising in the temperature of cooking container in fact, because the influence of heater under the situation that the mensuration temperature of being measured by temperature sensor descends, just can prevent and judge that temperature continues the state of affairs of decline.Therefore can prevent such state of affairs: judge that temperature is continued to revise each reduction the 1st temperature, so need the too much time to judging that temperature rises again, the judgement of fluidized state just postpones.
It is desirable to, in described cooker, judge in the correcting process that temperature determines that means carry out, comprise when the mensuration temperature of measuring by temperature sensor than judging that temperature has reduced the 2nd temperature when above, make the processing of judging temperature and mensuration temperature isothermal.
At this, the value that " the 2nd temperature " is defined as making such prediction: relatively reduced this value when above measuring temperature and temperature, this temperature reduction is not owing to the influence of heater but owing to the culinary art thing, the water that have added low temperature in the cooking container.Therefore, if adopt the present invention, by make judge temperature with because of putting into the mensuration temperature isothermal of the cooking container that water etc. descends, just can make the judgement temperature correctly reflect fluid temperature in the cooking container, just can correctly judge fluidized state.
It is desirable to, in described cooker, variations in temperature is measured means after beginning the heating cooking container by heater, and the mensuration temperature of being measured by temperature sensor rises to after the set point of temperature, measures to change.
Generally speaking, cooking container is unsettled from beginning to be heated to through its variation till certain period.Like this, if adopt the cooker of this formation, because rise to when measuring variation of temperature and reaching the set point of temperature of stable abundant high temperature the mensuration that changes measuring temperature, so, can be more accurate measure the trend of temperature during the reflection fluidized state according to this stipulated time of change determining.Therefore, by should the stipulated time and the cumulative time compare, can more accurate judgement fluidized state.
It is desirable to, in described cooker, cumulative time mensuration means are carried out in the process of cumulative time mensuration, determine that the correcting process of means changes the judgement temperature owing to judge temperature at every turn, promptly remove the cumulative time of front, again to the judgement temperature measuring cumulative time after changing.
If adopt the present invention, along with the change of temperature sensor measurement temperature, judge the temperature change during, the cumulative time is continued removes, and judges that the cumulative time that temperature rests on a temperature did not reach more than the stipulated time, so, can not be judged to be fluidized state.And be judged to be fluidized state, be when judging that possibility that the mensuration temperature liquid all stable, that cooking container interior of temperature with temperature sensor is seething with excitement is high, so this judgement is more accurate.
It is desirable to, in described cooker, cumulative time mensuration means have judges that temperature stores the storage means of described cumulative time to each, reaches the stipulated time when above when a certain cumulative time among the cumulative time of storing in the storage means, and the boiling decision means promptly is judged to be fluidized state.
If adopt the present invention, though even be in fluidized state, because the influence of heater, under the situation of the mensuration temperature change of temperature sensor, whether reach more than the stipulated time according to the some of the cumulative time in a plurality of judgement temperature, also can definitely judge fluidized state.
It is desirable to, described cooker had for the 1st time and determines means, the 1st time was to measure the mensuration variation of temperature of being measured by temperature sensor from variations in temperature mensuration means, begin to measure stand-by period till the described cumulative time to cumulative time mensuration means, the 1st time determined that means determined for the 1st time according to this variation.
At this, " the 1st time " means the time that can make such prediction, and at least to through till this time, the heating of heater is still insufficient, the liquid in the cooking container does not seethe with excitement.Therefore,, just can eliminate the mensuration of carrying out the cumulative time in the moment that prediction is not seethed with excitement as yet if adopt the present invention, and then the wrong possibility that is judged to be fluidized state.
It is desirable to, described cooker had for the 2nd time and determines means, the 2nd time was to measure the described cumulative time since cumulative time mensuration means to play the boiling decision means and be judged to be binding hours till the fluidized state, the 2nd time determined that means determined for the 2nd time according to the variation of being measured by variations in temperature mensuration means, when the boiling decision means can not obtain the judgement of fluidized state in the 2nd time, promptly be judged to be fluidized state.
Last, " the 2nd time " means the time that can make such prediction, and the latest to having passed through should the time time, the liquid in the cooking container was fully heated by heater and in time of boiling.Therefore,, can prevent such state of affairs:,,, can not be judged to be fluidized state so the cumulative time does not increase because of judging that temperature takes place sharply to change though in fact be in fluidized state if adopt the present invention.
Description of drawings
Figure 1 shows that the formation key diagram of the cooker of this example.
Figure 2 shows that time one of the cooker of this example measures the graph of a relation of temperature.
Figure 3 shows that the flow chart that the boiling of the cooker of this example is judged.
Figure 4 shows that the flow chart of correcting process of the cooker of this example.
Figure 5 shows that the key diagram that the boiling of the cooker of this example is judged.
Figure 6 shows that the key diagram that cumulative time of the cooker of another example is measured.
The specific embodiment
Example with reference to description of drawings cooker of the present invention.Figure 1 shows that the formation key diagram of the cooker of this example.Gas burner shown in Figure 1 (cooker) has the burner (heater) 1 of heating kettle (cooking container) p, contacts with the end of pot p and measure pot temperature sensor of p temperature 2, and the controller 3 of controlling the burning of burner 1 according to the mensuration temperature of temperature sensor 2.Burner 1 is supplied with coal gas by the gas supply pipe 4 that is provided with magnetic valve 4a, and controller 3 is regulated supplied burner 1 coal gas quantity delivered by magnetic valve 4a.In addition, controller 3 has variations in temperature and measures means 5, stipulated time and determine that the 6, the 1st time of means determines that the 7, the 2nd time of means determines that means 8, judgement time determines means 9, timer 10, judges that temperature determines that means 11, cumulative time measure means 12 and boiling decision means 13.
Variations in temperature is measured means 5 and is measured transformation period (being equivalent to " variation " of the present invention) Δ t (referring to Fig. 2) in a plurality of humidity provinces, and the mensuration temperature T rising of this transformation period and temperature sensor 2 is suitable 10 ℃ of required average times.
Stipulated time is determined means 6 definite stipulated time J, promptly determines to be predicted as the time that rests on the irreducible minimum time of uniform temperature in the temperature of fluidized state cooking container p.
The 1st time determined that means 7 determined the 1st time F according to transformation period Δ t, promptly determined to be predicted as at least to through till this time, the time that the heating of burner 1 is insufficient, liquid does not seethe with excitement among the pot p.The 1st time F determines that from it (the c point of Fig. 2) instrumentation is when the cumulative time described later, S began to measure till (the d point of Fig. 2).
The 2nd time determined that means 8 determined the 2nd time I according to transformation period Δ t, promptly determined to be predicted as and passed through at the latest this time, the burned device 1 of liquid fully heating and the time of boiling among the pot p.When the 2nd time I determines (the some c of Fig. 2) instrumentation to the mensuration end of cumulative time S from it, when perhaps instrumentation finished to timer the 2nd time of 10 instrumentations till (the some e of Fig. 2).
The judgement time determines that means 9 according to the temperature that transformation period Δ t determines to be predicted as pot p the judgement time tw that 1 ℃ (" the 1st temperature " of the present invention) changes take place.This judgement time tw is when S measures since the cumulative time (the some d of Fig. 2), to because of through the 2nd time mandatory till being judged to be fluidized state during, carry out instrumentation repeatedly.
Timer 10 makes judgement time tw repeatedly, in addition, and the 1st time of instrumentation F and the 2nd time I.
When timer 10 repeats instrumentation judgement time tw, judge under the high situation of temperature HT at the mensuration temperature T ratio of measuring by temperature sensor 2, judge that temperature determines that means 11 will judge 1 ℃ of temperature HT raising, under the situation of isothermal, to judge temperature maintenance at isothermal, and, will judge that temperature HT reduces by 1 ℃ than judging under the low situation of temperature HT, by carrying out such " correcting process ", determine to judge temperature HT successively.
Cumulative time is measured means 12 by timer 10, measures and judges that temperature HT rests on the cumulative time S of a temperature.
Boiling decision means 13 is that liquid among the p that takes the dish out of the pot was in the judgement of fluidized state when the stipulated time, J was above at cumulative time S.
Use Fig. 2 to Fig. 5, the boiling of the gas burner of above-mentioned formation is judged describe.The basic procedure that boiling is judged at first describes with the graph of a relation of the time one mensuration temperature T of Fig. 2 and the flow chart of Fig. 3.Burner 1 Once you begin burn (a point of Fig. 2, the step 1) of Fig. 3, the pot p promptly be heated, the mensuration temperature T of temperature sensor 2 rises gradually.Variations in temperature is measured means 5 and is measured temperature T and rise to during 80 ℃ (the a-b point of Fig. 2) and do not do any work beginning to be heated to, but reaches 80 ℃ of the 1st humidity provinces of playing till 100 ℃ measuring temperature T, measures the 1st transformation period Δ t
1(the b-c point of Fig. 2, the step 2 of Fig. 3).Specifically be Δ t
1Be that mensuration temperature T with temperature sensor 2 is that moment of x ℃ is as t
x, establish Δ t
X, y≡ t
y-t
x, measure according to following formula.
Δt
1＝Δt
85，80+Δt
90，85+Δt
95，90+Δt
100，95
-min[Δt
85，80、Δt
90，85、Δt
95，90、Δt
100，95]
-max[Δt
85，80、Δt
90，85、Δt
95，90、Δt
100，95]
Shown in following formula, Δ t
1During measuring temperature T and being 80 ℃ to 100 ℃, in 5 ℃ of 4 kinds of required time sums of every rising, deduct that the maximums of 4 kinds of times and minimum of a value obtain.
Stipulated time determines that means 6 abide by the stipulated time and use tables of data, according to the 1st transformation period Δ t
1, determine stipulated time J (step P3).The 1st time determined that means 7 abideed by for the 1st time and use tables of data, according to the 1st transformation period Δ t
1Determine the 1st time F (step P4).The 2nd time determined that means 8 abideed by for the 2nd time and use tables of data, according to the 1st transformation period Δ t
1Determine the 2nd time I (step P5).The judgement time determines that means 9 abide by the judgement time and use tables of data, according to the 1st transformation period Δ t
1, 1 ℃ of the 1st required judgement time tw1 of temperature rising that is predicted as pot p is defined as at the judgement time in this stage tw (step P6).
Then, timer 10 beginning the 1st time of instrumentation F and the 2nd time I (the c point of Fig. 2, the step P7 of Fig. 3).When timer the 1st time of 10 instrumentations finishes ("Yes" among the d point of Fig. 2, the step P8 of Fig. 3), judge that temperature determines that means 11 carry out correcting process (step P9).Details back about correcting process will be narrated, and its summary is, cause when measuring the temperature T change when external cause such as rock because of the fiery inflammation of burner 1, and in order to revise this change, the temperature of definite expression pot p, and determine judgement temperature HT.
Cumulative time measure means 12 judge temperature HT rest on a temperature during ("No" in the step 10), continue to measure cumulative time S (step P12), thus, the cumulative time increases gradually.On the other hand, the cumulative time is measured means 12 when judging temperature HT change ("Yes" in the step 10), removes cumulative time S (step P11) so far, and restarts to measure the cumulative time S (step P12) of the judgement temperature after the change.
Boiling decision means 13 is made the judgement (step P15) of fluidized state when cumulative time S reaches that the stipulated time, J was above ("Yes" in the step 13).In addition, even boiling decision means 13 is not ("No" among the step P13) when J is above at the appointed time at cumulative time S, ("Yes" in the e point of Fig. 2, the step 14 of Fig. 3) also makes the judgement (step P15) of fluidized state under the situation of timer 10 instrumentations to the 2 time I.
In addition, variations in temperature mensuration means 5 are abideed by and Δ t
1Identical formula, to lower limit temperature and ceiling temperature and the 1st humidity province (80-100 ℃) differ 5 (n-1) ℃ (n=2,3 ...) n humidity province (80+5 (n-1) ℃ to 100+ (n-1) ℃) in n transformation period Δ t
nMeasure (step P16).For example, the 2nd transformation period Δ t
2Measure the 3rd transformation period Δ t with the 2nd humidity province (85 ℃ to 105 ℃)
3Measure with the 3rd humidity province (90 ℃ to 110 ℃).
The judgement time is determined the tables of data that means 9 were used in accordance with the judgement time, according to n transformation period Δ t
n, determine that n judges time tw
n(step P17).In addition, (the d point of Fig. 2) was benchmark when the judgement time was determined means 9 with timer 10 instrumentations the 1st time F, when the mensuration temperature T rises to 5 (n-1) ℃ ("Yes" of step P18), with the judgement time tw of n
nBe defined as new judgement time tw (step P19).On the other hand, measure temperature T ("No" of step P18) more than 5 (n-2) ℃, the time, will judge that time tw still maintains the judgement time tw of (n-1) less than 5 (n-1) ℃
N-1(step P20).
Thus, in Fig. 2, the d point that finishes from the instrumentation of the 1st time F plays the d that measures 5 ℃ of temperature T risings
1Till the point, judge time tw according to the 1st
1Carry out correcting process.In addition, from d
1Point is to the d that measures 5 ℃ of temperature T risings
2Till the point, judge time tw according to the 2nd
2Carry out correcting process, from d
2Point is to the d that measures 5 ℃ of temperature T risings
3Till the point, judge time tw according to the 3rd
3Carry out correcting process.After this, till making the judgement of fluidized state, carry out correcting process equally by boiling decision means 13.
At this, use flow chart shown in Figure 4, promptly utilize the judgement temperature to determine that the correcting process that means 11 are carried out describes to principal character of the present invention.As judging time tw, tw of employed judgement time of the correcting process before it
N-1Under the fixed situation (step P18 "No", the "Yes" of step P9-1), begin to judge the instrumentation (step 9-3) of time tw same as before by timer.In addition, as judging time tw, at tw
n(n=2,3,4 ...) under the fixed situation ("Yes" of step P18, the "No" of step 9-1), the judgement time tw before it
N-1Instrumentation finish ("Yes" of step 9-2), timer 10 beginning instrumentations are judged time tw (step P9-3).
10 pairs of timers are judged when the instrumentation of time tw finishes ("Yes" of step P9-4), if measure temperature T than judging temperature HT height ("Yes" of step P9-5), judge that temperature HT just is modified to 1 ℃ of raising, storage " does not have the correction of decline experience " (step P9-6) down in the not shown memory.
The instrumentation of judging time tw 10 pairs of timers finishes ("Yes" of step P9-4), under the situation of mensuration temperature T and judgement temperature HT isothermal ("No" of step P9-5, the "Yes" of step P9-7), judges that temperature HT keeps former state (step P9-8).
10 pairs of timers are judged when the instrumentation of time tw finishes ("Yes" of step P9-4), temperature T ratio judgement temperature HT is low less than 5 ℃ of (step P9-5 measuring, the "No" of 9-7, the "Yes" of step P9-9), and store under the situation of " have reduce revise experience " ("No" of step P9-10), judge that temperature HT is modified to 1 ℃ of reduction, " have to reduce and revise experience " (step P9-11) in memory stores.In addition, temperature T ratio judgement temperature HT is low less than 5 ℃ ("Yes" of step P9-9) measuring, and store under the situation of " have reduce revise experience " ("Yes" of step P9-10), judge that temperature HT does not do to reduce by 1 ℃ correction, but keep intact (step P9-12).
When 10 pairs of timers judge that the instrumentation of time tw finishes ("Yes" of step P9-4), when the mensuration temperature T is above than judgement temperature HT low 5 ℃ (" the 2nd temperature " of the present invention) (step 9-9 denys), judge the mensuration temperature T when temperature HT is modified to judgement time tw instrumentation and finishes, storage " T≤HT-5 ℃ experience is arranged " (step P9-15) in the memory.In addition, during timer 10 instrumentations judgement time tw ("No" of step P9-4), in memory, store under the situation of " T≤HT-5 ℃ experience is arranged " ("Yes" of step P9-13), perhaps, do not store " T≤HT-5 ℃ experience is arranged " ("No" of step P9-13) in the memory, and measure temperature T than under the low situation more than 5 ℃ of judgement temperature HT ("Yes" of step P9-14), judge that temperature HT is modified to the mensuration temperature T in this moment, and " T≤HT-5 ℃ experience is arranged " (step P9-15) in memory stores.
Consider below to carry out the correcting process of step P9 for several times before the liquid boiling in pot p, as shown in Figure 5, at moment t
0The mensuration temperature T is T
1+ 3 ℃, judge that temperature HT is T
1State.Represent when measuring temperature T when variation shown in dotted line takes place this state, at moment t with solid line
0, T
1Judgement temperature HT how to be revised, and boiling is judged how to be illustrated.At this moment, not fluidized state though establish, external cause such as rock because of the fiery inflammation of burner 1, measure temperature T and rest on T1+4 ℃ temperature through a k that associates to the certain hour of putting 1.As tradition is described, under the situation about judging of seething with excitement according to the mensuration temperature T, rest on uniform temperature through certain hour because measure temperature T, be decided to be fluidized state so will judge by accident.
Yet, the gas burner of this example, because measure temperature T=Ti+4 ℃ than the temperature height of judging temperature HT=Ti at moment t0+tw, so, judge that temperature HT is modified to Ti+1 ℃ (with reference to step P9-4,9-5, the 9-6 of Fig. 4).In addition, at moment t0+2tw,, be modified to Ti+2 ℃ so judge temperature HT because measure temperature T=Ti+4 ℃ than the temperature height of judging HT=Ti+1 ℃ of temperature.Below similarly, at moment t0+3tw, t0+4tw, judge that temperature HT is modified to Ti+3 ℃, Ti+4 ℃ successively.Like this, every through judgement time tw, just revise to change and judge temperature HT, and remove cumulative time S (with reference to the step P10,11 of Fig. 3) at every turn, cumulative time S can not reach more than the stipulated time J.Therefore, can not continue to be increased to more than the stipulated time J, just can prevent the state of affairs of misinterpretation fluidized state at a cumulative time S who judges temperature HT.
In addition,, then " there be to reduce and revise experience " (the step P9-11 of Fig. 4), if this storage is judged that temperature is not corrected and improved 1 ℃ and just not can be eliminated (step P9-6) in memory stores if judging that temperature HT is corrected reduces by 1 ℃.That is, judge temperature HT be corrected reduce by 1 ℃ after, improve 1 ℃ if be not corrected for, just can not be corrected once more and reduce by 1 ℃, the number of times of revising 1 ℃ of reduction continuously is restricted to 1 time.Therefore, can prevent such state of affairs: reduced by 1 ℃ continuously one after another because of judging temperature HT, could realize rising once more so will change the more time, the detection of fluidized state just is delayed.
Also have,, make and judge that temperature HT equals to measure temperature T (step P9-15) when measuring temperature T and to judge that temperature HT compares low more than 5 ℃ the time.Should " 5 ℃ " this value be to determine according to such prediction: can be lower more than 5 ℃ so measure temperature T than judging temperature HT, not owing to the fiery inflammation of burner 1 such as rocks at reason, but because put into the culinary art thing and the water of low temperature among the pot p.Therefore,, make immediately and judge that temperature HT equals to measure temperature T, just can make the fluid temperature among pot p correctly be reflected in judgement temperature HT when when putting into mensuration temperature T that water etc. makes pot p and descend.
Under the situation that judgement temperature HT changes when measuring cumulative time S, the cumulative time is measured means 12 and eliminates cumulative time S so far, on this basis the judgement temperature HT after changing is measured cumulative time S (the step P10 of Fig. 3,11,12).Therefore, be judged as fluidized state, be judge temperature HT and measure that temperature T is all stable, liquid is seething with excitement among the pot p possibility very high in, so the boiling judgement is more accurate.
The a plurality of humidity provinces that utilize variations in temperature to measure 5 pairs of bounds of means to improve 5 ℃ respectively (80-100 ℃, 85-105 ℃ ...) in each humidity province, measure transformation period Δ t
1, Δ t
2(the step P2 of Fig. 3,16).In addition, according to these transformation periods, determine that with the judgement time means 9 determine judgement time tw
1, tw
2(the step P6 of Fig. 3,17).Like this, according to judgement time tw1, the tw2 of down scale ... the judgement temperature HT that revises just can correctly reflect the change of measuring temperature T.Therefore, will judge that the cumulative time S and the stipulated time J that measure under the temperature compare at one, just can more accurate judgement fluidized state.
Variations in temperature is measured means 5 after burner 1 beginning heating kettle p, from measure temperature T rise to its vary stable more than 80 ℃ after (with reference to the b point of Fig. 2), measure transformation period Δ t.Therefore, the stipulated time J that determines according to this transformation period Δ t can be more accurate measures the trend of temperature T during the reflection fluidized state.Therefore, stipulated time J and cumulative time S are compared, just can more accurate judgement fluidized state.
Determine that by the 1st time means 7 determine the 1st time F (the step P4 of Fig. 3).As mentioned above, what the 1st time F represented to predict is such time, and at least to through till this time, the heating of burner 1 is insufficient, and the liquid among the pot p does not seethe with excitement.Therefore, can eliminate such possibility, that is, prediction as yet not the moment (with reference to the c-d point of Fig. 2) of boiling carry out the mensuration of cumulative time S, mistake is judged to be the possibility of fluidized state and can eliminates.
Determine that by the 2nd time means 8 determine the 2nd time I (the step P5 of Fig. 3).When the instrumentation of 10 couples the 2nd time I of timer finishes, make the judgement (the some e of Fig. 2, the step P14 of Fig. 3) of fluidized state by boiling decision means 13.As mentioned above, the 2nd time I represents the object time of prediction like this, passes through at the latest in this time, fully heats with burner 1, and liquid seethes with excitement among the pot p.Therefore, in fact be in fluidized state, because of judging that temperature HT acute variation makes cumulative time S be difficult to increase and do not make the state of affairs that fluidized state is judged though can prevent.Again, in this example, cumulative time S and stipulated time J directly measure respectively, but as another example, also the counter of counting at certain intervals can be set, utilize count number indirect determination cumulative time S and stipulated time J in this time.
As " variation " of the present invention, in this example, use expression to measure the transformation period Δ t that temperature T rises 10 ℃ of required average times
1, Δ t
2..., and, also can use all parameters of its variations of expression such as climbing of measuring temperature T as other example.In addition, in this example, use a plurality of transformation period Δ t in the correcting process
1, Δ t
2..., but, also can use single transformation period Δ t (step P16-20 omission) in the correcting process as other example.
In this example, after the 1st time F, measure 5 ℃ of the every risings of temperature T, ("Yes" of the step P9-2 of Fig. 4) began the instrumentation (step P9-3) that next judges time tw after the instrumentation of judgement time tw before this finished, and as other example, also can rise 5 ℃ the time measuring temperature T, finish the instrumentation (step P9-2 omissions) of the judgement time tw before this, and begin the instrumentation of next judgement time tw immediately.
In this example, when judging temperature HT change, the cumulative time, S was eliminated, but as other example, do not remove the cumulative time (the step P11 of Fig. 3 omits) even can judge temperature HT change yet yet, measure the cumulative time S of a plurality of judgement temperature simultaneously.For example, at moment τ
0Begin to reach T
0Judgement temperature HT be changed to τ constantly as shown in Figure 6
7The time, judge that the cumulative time S (HT) of temperature HT is as follows:
S(T
0) ＝(τ
1-τ
0)+(τ
3-τ
2)
S(T
0+1℃)?＝(τ
2-τ
1)+(τ
4-τ
3)+(τ
6-τ
5)
S(T
0+2℃)?＝(τ
5-τ
4)+(τ
7-τ
6)
Wherein a certain cumulative time S reached when the stipulated time, J was above, and take the dish out of the pot liquid among the p of boiling decision means 13 is in the judgement of fluidized state.At this moment,, measure temperature T as shown in Figure 6 under the situation of change, also can judge fluidized state according to the cumulative time S (HT) of a plurality of judgement temperature HT even, reason such as rocked by wind because of the fire of burner 1 is scorching though be in fluidized state.
Claims (11)
1. cooker, have the heater of heating cooking container, the temperature sensor of mensuration cooking container temperature, and judge according to the mensuration temperature measured by temperature sensor and the liquid boiling decision means of fluidized state whether in the cooking container it is characterized in that having:
Timer, this timer take place to the temperature of prediction cooking container that only the judgement time of the 1st variations in temperature is carried out instrumentation repeatedly;
The judgement temperature is determined means, this judgement temperature determines that the mensuration temperature of the regulation that means are measured temperature sensor is as judging temperature, repeat the instrumentation judgement during time by timer then at every turn, judge under the high situation of temperature at the mensuration temperature ratio that temperature sensor is measured, to judge that temperature improves the 1st temperature, it is temperature-resistant to keep judgement during isothermal, if ratio judgement temperature is hanged down then will be judged that temperature reduces the 1st temperature, by so carrying out correcting process, determine to judge temperature successively;
Cumulative time is measured means, these cumulative time mensuration means are measured and are judged that temperature rests on the cumulative time of a temperature, reach the stipulated time when above when the cumulative time that cumulative time mensuration means are measured, the boiling decision means is made the judgement that liquid in the cooking container is in fluidized state.
2. cooker according to claim 1 is characterized in that also having:
The variations in temperature of the mensuration variation of temperature that the mensuration temperature sensor is measured is measured means, and
Change to determine that according to this that measure by variations in temperature mensuration means judgement time of judgement time determines means.
3. cooker according to claim 2 is characterized in that,
Variations in temperature is measured means to each of a plurality of humidity provinces of the stepped rising of the upper limit, measure the mensuration variation of temperature of being measured by temperature sensor, and the judgement time determines that means are according to this variation each definite judgement time to a plurality of humidity provinces.
4. cooker according to claim 3 is characterized in that,
When the mensuration temperature of regulation rises the difference of a plurality of humidity provinces upper limit, the judgement temperature determines that means just will be modified to the judgement temperature by the mensuration temperature that temperature sensor is measured, and, carry out correcting process according to temperature upper limit has been raise the determined judgement in humidity province time of this difference than last humidity province.
5. according to claim 1,2,3 or 4 described cookers, it is characterized in that,
Judge when temperature determines that means are carried out correcting process, judge that the continuous number of times that reduces the 1st temperature of temperature is restricted.
6. according to claim 1,2,3 or 4 described cookers, it is characterized in that,
Judge in the correcting process that temperature determines that means carry out, comprise when the mensuration temperature of measuring by temperature sensor than judging that temperature has reduced the 2nd temperature when above, make the processing of judging temperature and mensuration temperature isothermal.
7. according to claim 2,3 or 4 described cookers, it is characterized in that,
Variations in temperature is measured means after beginning the heating cooking container by heater, after the mensuration temperature of being measured by temperature sensor rises to set point of temperature, measures variation.
8. according to claim 1,2,3 or 4 described cookers, it is characterized in that,
Cumulative time mensuration means are carried out in the process of cumulative time mensuration, when determining that owing to the judgement temperature correcting process of means changes the judgement temperature, promptly remove the cumulative time of front, and then to the judgement temperature measuring cumulative time after changing.
9. according to claim 1,2,3 or 4 described cookers, it is characterized in that,
Cumulative time mensuration means have judges that temperature stores the storage means of described cumulative time to each, reaches the stipulated time when above when a certain cumulative time among the cumulative time of storing in the storage means, and the boiling decision means is promptly made the judgement of fluidized state.
10. according to claim 1,2,3 or 4 described cookers, it is characterized in that,
Also having for the 1st time determines means, the 1st time was to measure the mensuration variation of temperature of being measured by temperature sensor from variations in temperature mensuration means, begin to measure stand-by period till the described cumulative time to cumulative time mensuration means, the 1st time determined that means determined for the 1st time according to this variation.
11. according to claim 1,2,3 or 4 described cookers, it is characterized in that,
Also having for the 2nd time determines means, the 2nd time was to measure the described cumulative time since cumulative time mensuration means to play the boiling decision means and make binding hours till fluidized state is judged, the 2nd time determined that means determined for the 2nd time according to the variation of being measured by variations in temperature mensuration means, when the boiling decision means can not obtain the judgement of fluidized state in the 2nd time, make the judgement of fluidized state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP230871/00 | 2000-07-31 | ||
| JP2000230871A JP3621870B2 (en) | 2000-07-31 | 2000-07-31 | Cooking equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1346033A true CN1346033A (en) | 2002-04-24 |
| CN100350188C CN100350188C (en) | 2007-11-21 |
Family
ID=18723771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011243848A Expired - Fee Related CN100350188C (en) | 2000-07-31 | 2001-07-27 | Cooking apparatus |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3621870B2 (en) |
| KR (1) | KR100498115B1 (en) |
| CN (1) | CN100350188C (en) |
| TW (1) | TW579414B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100475099C (en) * | 2003-06-06 | 2009-04-08 | 德隆吉有限公司 | Cooking device and method |
| CN104207635A (en) * | 2013-05-30 | 2014-12-17 | 林内株式会社 | Heating cooling device |
| CN104406206A (en) * | 2014-12-09 | 2015-03-11 | 华帝股份有限公司 | Automatic control device of gas stove |
| CN107224188A (en) * | 2016-03-24 | 2017-10-03 | Bsh家用电器有限公司 | Cooker with calibration function |
| CN110262348A (en) * | 2019-06-26 | 2019-09-20 | 广东美的厨房电器制造有限公司 | Control system, control method and the storage medium of cooking apparatus |
| CN111103819A (en) * | 2018-10-26 | 2020-05-05 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method and device, storage medium and cooking equipment |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007022507A2 (en) * | 2005-08-19 | 2007-02-22 | F.O.B. Instruments, Ltd. | Apparatus and method for determining the amount of time until a desired temperature is reached |
| US7445381B2 (en) * | 2005-08-19 | 2008-11-04 | F.O.B. Instruments Ltd | Apparatus and method for determining the amount of time until a desired temperature is reached |
| KR100868999B1 (en) * | 2006-11-21 | 2008-11-17 | 엘지전자 주식회사 | Controlling apparatus and method of oven |
| KR101745312B1 (en) * | 2011-11-18 | 2017-06-12 | 린나이코리아 주식회사 | Overheating prevention method of autodetecting the pressure cooker in gas range |
| EP3714747B1 (en) * | 2019-03-29 | 2024-02-21 | Vorwerk & Co. Interholding GmbH | Kitchen appliance with boiling point monitoring |
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| DE3530403A1 (en) * | 1985-04-06 | 1986-10-16 | Philips Patentverwaltung | METHOD FOR AUTOMATICALLY REGULATING THE COOKING HEATING PROCESS OF A COOKING DEVICE |
| KR910003322A (en) * | 1989-07-12 | 1991-02-27 | 김경희 | Automatic heating method and device |
| KR940003016B1 (en) * | 1990-06-29 | 1994-04-11 | 마쯔시다덴기산교 가부시기가이샤 | Cooker |
| JPH068638A (en) * | 1992-06-26 | 1994-01-18 | Nippon Columbia Co Ltd | Optical data recording medium |
| EP0673182B1 (en) * | 1994-03-18 | 2000-03-29 | Lg Electronics Inc. | Method for automatic control of a microwave oven |
| JPH08105629A (en) * | 1995-10-18 | 1996-04-23 | Rinnai Corp | Cooking device |
| JP3160528B2 (en) * | 1996-06-19 | 2001-04-25 | リンナイ株式会社 | Cooking temperature controller |
| JP3865891B2 (en) * | 1997-10-03 | 2007-01-10 | 松下電器産業株式会社 | Gas cooker |
| JP2000046340A (en) * | 1998-07-30 | 2000-02-18 | Paloma Ind Ltd | Heater/cooker with boiling function |
-
2000
- 2000-07-31 JP JP2000230871A patent/JP3621870B2/en not_active Expired - Fee Related
-
2001
- 2001-07-27 CN CNB011243848A patent/CN100350188C/en not_active Expired - Fee Related
- 2001-07-27 KR KR10-2001-0045513A patent/KR100498115B1/en active IP Right Grant
- 2001-07-31 TW TW090118682A patent/TW579414B/en not_active IP Right Cessation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100475099C (en) * | 2003-06-06 | 2009-04-08 | 德隆吉有限公司 | Cooking device and method |
| CN104207635A (en) * | 2013-05-30 | 2014-12-17 | 林内株式会社 | Heating cooling device |
| CN104406206A (en) * | 2014-12-09 | 2015-03-11 | 华帝股份有限公司 | Automatic control device of gas stove |
| CN107224188A (en) * | 2016-03-24 | 2017-10-03 | Bsh家用电器有限公司 | Cooker with calibration function |
| CN111103819A (en) * | 2018-10-26 | 2020-05-05 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method and device, storage medium and cooking equipment |
| CN111103819B (en) * | 2018-10-26 | 2023-03-31 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method and device, storage medium and cooking equipment |
| CN110262348A (en) * | 2019-06-26 | 2019-09-20 | 广东美的厨房电器制造有限公司 | Control system, control method and the storage medium of cooking apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002048343A (en) | 2002-02-15 |
| CN100350188C (en) | 2007-11-21 |
| KR20020011091A (en) | 2002-02-07 |
| JP3621870B2 (en) | 2005-02-16 |
| TW579414B (en) | 2004-03-11 |
| KR100498115B1 (en) | 2005-07-01 |
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