CN102727102B - Water boiling judgment control method for heater - Google Patents
Water boiling judgment control method for heater Download PDFInfo
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- CN102727102B CN102727102B CN201210217358.0A CN201210217358A CN102727102B CN 102727102 B CN102727102 B CN 102727102B CN 201210217358 A CN201210217358 A CN 201210217358A CN 102727102 B CN102727102 B CN 102727102B
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- 238000009835 boiling Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 230000008447 perception Effects 0.000 claims description 4
- 238000010411 cooking Methods 0.000 description 6
- 235000014347 soups Nutrition 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
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Abstract
The invention discloses a water boiling judgment control method for a heater. The control method comprises the following steps that the heater starts working according to a preset power-regulating ratio; when the preset temperature is reached, the heater stops heating; the time of the heater stopping heating reaches the preset time, the maximum temperature value Tmax and the minimum temperature value Tmin in the present time are recorded, and the difference between the two values is worked out according to the formula of delta T=Tmax-Tmin; the delta T refers to the difference grade of the preset temperature, and based on the temperature difference grade in which the delta T falls, two boiling states are judged, namely the boiling state is judged to be reached and the boiling process is judged to be finished or the boiling state is judged not to be reached; and the heater works according to the preset power-regulating ratio corresponding to the temperature difference grade in which the delta T falls, and the whole process is repeated. The control method can accurately judge whether water in the heater is boiling, and when the boiling state is judged not to be reached, and additional heating with different heating capacity is performed, so that the phenomenon of overflow or insufficient heating when the heater works is effectively prevented.
Description
Technical field
The present invention relates to the technical field of electrical heated appliance, particularly relate to the control method that a kind of heater judges boiling.
Background technology
The cooking of the electrical heating culinary products such as electric cooker, electric pressure cooking saucepan, electric cooking pot, cook congee, in Baoshang process, judging when meter Shui, soup seethe with excitement is a very crucial thing, if judged by accident in advance, low-power heating can be entered, there is cooking not yet done, soup not boiling phenomenon, if judge that boiling is delayed, then can cause adding heat too large, occur foam overflow phenomenon, therefore sensing boiling is particularly important.
Mainly contain following several method at present and judge boiling: one is at upper cover position mounting temperature sensor, during water boiling, interiors of products can be full of steam, the TEMP actuator temperature being arranged on upper cover position now can be made to be elevated to certain value, set in a program after recording this numerical value by experiment, when upper cover spot temperature sensor reaches this value in product work process, be then judged as boiling; Another method is by judging that water yield size decides the time be heated to needed for boiling, namely within a period of time that product work starts, judge the grade of the water yield, time required when data acquisition each water yield grade is heated to boiling by experiment again, this time and water yield grade are mapped in a program, until this time terminates namely to think reach boiling.
But above-mentioned first method will significantly increase the cost of product; Second method too believes the accuracy that water yield grade judges, cannot the diversity of clone structure and the polytropy of environment temperature, cannot meet the difference culinary art custom of different user, as not equal in rice water adding proportion.
In view of above reason, need badly and a kind of effective method for heating and controlling is provided, to make up the scarcity of prior art, while meeting the extraneous factors such as various different product structure, environment temperature, user habit, cook the congee soup of fragrant and sweet rice, glycol.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art and provides a kind of heater that accurately can judge to seethe with excitement to judge the control method of boiling, and this control method low cost, versatility are high.
For solving the problems of the technologies described above, technical scheme of the present invention is:
The invention provides the control method that a kind of heater judges boiling, described heater is provided with bottom temp sensor, and described heater judges that the control method of boiling comprises:
Heater heats than P0 with default Power Regulation;
When bottom temp sensor senses temperature arrives preset temperature T0, heater stops heating;
When heater stops the time of heating to reach preset time t 0, be recorded in maximum temperature value Tmax and the lowest temperature angle value Tmin of the perception of preset time t 0 inner bottom part temperature sensor institute, and the difference △ T=Tmax-Tmin both calculating; And
△ T and the temperature gap grade preset are compared, temperature gap grade belonging to △ T, in two kinds of situation, be judged to reach fluidized state, judge that boiling process terminates or is judged to not reach fluidized state, adopt the default Power Regulation corresponding to temperature gap grade belonging to △ T to heat than P, repeat said process.
Further, in such scheme, described default temperature gap grade, comprises a boiling grade △ T1 and at least one not boiling grade △ Tn, the difference range non-overlapping copies of each grade and continuously, the default Power Regulation ratio that each not boiling grade is corresponding different.
Common, in such scheme, described preset temperature T0 is close to the boiling point of water, and described preset time t 0 value range is 2min to 6min.
Compared with prior art, the present invention relative to the beneficial effect of prior art is:
The present invention can judge whether heater body reaches boiling exactly, when being judged as fluidized state, judge that boiling process terminates, when being judged to not reach fluidized state, give the supplementary heating of different heating amount, thus effectively prevent heater from overflowing in the course of the work or add the phenomenon of shortage of heat.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the temperature profile of the embodiment of the present invention;
Fig. 2 is the parameter lookup table of the embodiment of the present invention.
Fig. 3 is the workflow diagram of the embodiment of the present invention.
Detailed description of the invention
The present embodiment discloses the control method that a kind of heater judges boiling, and described heater is provided with bottom temp sensor, and described heater judges that the control method of boiling comprises the following steps:
S1, heater heat than P0 with default Power Regulation, enter S2;
S2, when bottom temp sensor senses temperature arrive preset temperature T0 time, heater stop heating, enter S3;
S3, when heater stop heating time reach preset time t 0 time, be recorded in maximum temperature value Tmax and the lowest temperature angle value Tmin of the perception of preset time t 0 inner bottom part temperature sensor institute, and calculate both difference △ T=Tmax-Tmin, enter S4;
S4, default temperature gap grade comprise a boiling grade △ T1 and at least one not boiling grade △ Tn, the difference range non-overlapping copies of each grade and continuously, above-mentioned △ T and the temperature gap grade preset are compared, judges the temperature gap grade belonging to above-mentioned △ T, enter S5;
If S5 △ T belongs within the scope of △ T1, be then judged to reach fluidized state, now judge that boiling process terminates, otherwise enter S6;
S6, be judged to not reach fluidized state, adopt the ratio of the Power Regulation corresponding to temperature gap grade belonging to △ T to heat, enter S2.
Described " Power Regulation ratio " is to be expressed is use dutycycle to carry out dutycycle size during power adjustment, and namely heater is in the process heated with rated power, in a heating cycle, and the ratio shared by the heater heat time.If Power Regulation ratio is 18/32, to be expressed, using 32 seconds as one-period, wherein 18 seconds laser heatings, do not heat for other 14 seconds.Power Regulation is used to be that mean power is adjusted than the effect produced, mean power=rated power * Power Regulation ratio.
Below in conjunction with Fig. 1, Fig. 2, Fig. 3, control method of the present invention example is set forth:
Preset Power Regulation in the present embodiment comparatively larger than the value of P0, realize Fast Heating, be usually set between 24/32 and 32/32 scope; Preset temperature T0 is set to the boiling point close to water usually, as 98 DEG C; Preset time t 0 can be arranged according to different product performances, is usually set between 2min-6min scope.
As Fig. 2 shows, the difference grade preset in the present embodiment comprises boiling grade △ T1, three not boiling grade △ T2, △ T3 and a △ T4, heating Power Regulation ratio corresponding to not boiling grade is respectively P2, P3, P4, wherein the scope of △ T1 is less than 8 DEG C, and the scope of △ T2 is 8 DEG C to 12 DEG C, and the scope of △ T3 is 12 DEG C to 20 DEG C, the scope of △ T4 be 20 DEG C and more than, P2 is 16/32, P3 be 22/32, P3 is 28/32.
Fig. 3 is the workflow schematic diagram of the present embodiment, and Fig. 1 is the temperature profile of the present embodiment bottom temp sensor in the course of the work.As Fig. 1, Fig. 3 show, the present embodiment operationally, heater heats than P0 with default Power Regulation, when bottom temp sensor senses temperature T arrives preset temperature T0, heater stops heating, when reaching preset time t 0 when heating is stopped, be recorded in the maximum temperature difference △ T of t0 time period inner bottom part temperature sensor institute perception, △ T can obtain according to following methods: record maximum temperature value Tmax, lowest temperature angle value Tmin, and the difference Tmax-Tmin of both calculating, is △ T; Contrast the difference range of each temperature gap grade, compare the temperature gap grade belonging to △ T, as △ T belongs within the scope of △ T1, be then judged to reach fluidized state, judge that boiling process terminates; As △ T belongs in arbitrary scope of △ T2 or △ T3 or △ T4, then heater is heated to T with the default Power Regulation that △ T2 or △ T3 or △ T4 is corresponding than P2 or P3 or P4 and reaches T0, repeats said process, until △ T belongs within the scope of △ T1, is judged to reach fluidized state.
The present invention is applicable to the various electrical heating culinary products such as electric cooker, electric pressure cooking saucepan, electric cooking pot.Control method low cost of the present invention, versatility are high, practical, are widely used.
Claims (4)
1. heater judges a control method for boiling, and described heater is provided with bottom temp sensor, it is characterized in that, described heater judges that the control method of boiling comprises:
Step 1: heater heats than P0 with default Power Regulation;
Step 2: when bottom temp sensor senses temperature arrives preset temperature T0, heater stops heating;
Step 3: when heater stops the time of heating to reach preset time t 0, be recorded in maximum temperature value Tmax and the lowest temperature angle value Tmin of the perception of preset time t 0 inner bottom part temperature sensor institute, and the difference △ T=Tmax-Tmin both calculating; And
Step 4: △ T and the temperature gap grade preset are compared, temperature gap grade belonging to △ T, in two kinds of situation, be judged to reach fluidized state, then now judge that boiling process terminates or is judged to not reach fluidized state, adopt the default Power Regulation corresponding to temperature gap grade belonging to △ T to heat than P, repeat step 2.
2. heater according to claim 1 judges the control method of boiling, it is characterized in that, described default temperature gap grade, comprise a boiling grade △ T1 and at least one not boiling grade △ Tn, the difference range non-overlapping copies of each grade and continuously, the default Power Regulation ratio that each not boiling grade is corresponding different.
3. heater according to claim 1 judges the control method of boiling, and it is characterized in that, described preset temperature T0 is close to the boiling point of water.
4. heater according to claim 1 judges the control method of boiling, and it is characterized in that, described preset time t 0 value range is 2min to 6min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210217358.0A CN102727102B (en) | 2012-06-27 | 2012-06-27 | Water boiling judgment control method for heater |
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| CN201210217358.0A CN102727102B (en) | 2012-06-27 | 2012-06-27 | Water boiling judgment control method for heater |
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| CN102727102A CN102727102A (en) | 2012-10-17 |
| CN102727102B true CN102727102B (en) | 2015-05-27 |
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| CN105747828B (en) * | 2014-12-16 | 2018-02-06 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker and its porridge-cooking control method |
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| CN105662115B (en) * | 2016-03-30 | 2018-10-19 | 九阳股份有限公司 | A kind of cooking methods of household electrical appliance |
| CN105942842B (en) * | 2016-05-30 | 2017-11-24 | 珠海格力电器股份有限公司 | Method and system for determining boiling point temperature |
| CN107942737A (en) * | 2016-10-12 | 2018-04-20 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device and the cooking apparatus of cooking apparatus |
| CN108013732B (en) * | 2016-11-02 | 2020-05-05 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker and control method thereof |
| CN106618152B (en) * | 2016-12-07 | 2018-11-06 | 宁波方太厨具有限公司 | A kind of heating cooking apparatus and its boiling recognition methods to boil water |
| CN108241307B (en) * | 2016-12-27 | 2019-09-17 | 佛山市顺德区美的电热电器制造有限公司 | A kind of control method and device |
| CN108966392B (en) * | 2017-05-19 | 2020-09-01 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker and heating power control method and device thereof |
| CN110514688B (en) * | 2018-05-21 | 2022-03-25 | 佛山市顺德区美的饮水机制造有限公司 | Boiling point detection method, device and storage medium |
| CN108784340B (en) * | 2018-07-02 | 2020-01-31 | 四川长虹电器股份有限公司 | Liquid heating micro-boiling control method |
| CN109199099B (en) * | 2018-08-16 | 2021-09-21 | 广东瑞德智能科技股份有限公司 | Food processor and anti-overflow detection method thereof |
| CN110858079B (en) * | 2018-08-24 | 2022-01-28 | 佛山市顺德区美的电热电器制造有限公司 | Control method and device of cooker, cooker and storage medium |
| CN111397764B (en) * | 2020-04-17 | 2021-05-18 | 深圳拓邦股份有限公司 | Boiling detection method and device |
| CN114271677B (en) * | 2020-09-28 | 2023-06-06 | 九阳股份有限公司 | Control method of liquid heating device |
| CN112256069B (en) * | 2020-10-23 | 2022-05-27 | 珠海格力电器股份有限公司 | Cooking control method and device for cooker and electronic device |
| CN115177142A (en) * | 2021-04-07 | 2022-10-14 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method, cooking appliance, equipment and storage medium |
| CN114145663A (en) * | 2021-12-03 | 2022-03-08 | 小熊电器股份有限公司 | Anti-overflow control method for food processor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513325A (en) * | 2009-03-27 | 2009-08-26 | 美的集团有限公司 | Electric cooking appliance and heating control method thereof |
| CN101569494A (en) * | 2009-05-31 | 2009-11-04 | 广东格兰仕集团有限公司 | Electric rice cooker used for brown rice germination and cooking and control method thereof |
| CN102125385A (en) * | 2010-12-09 | 2011-07-20 | 美的集团有限公司 | Electric cooker and porridge cooking control method thereof |
| CN102440679A (en) * | 2010-10-13 | 2012-05-09 | 珠海格力电器股份有限公司 | Rice cooking method of electric cooker with self-defined heating mode and electric cooker |
-
2012
- 2012-06-27 CN CN201210217358.0A patent/CN102727102B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513325A (en) * | 2009-03-27 | 2009-08-26 | 美的集团有限公司 | Electric cooking appliance and heating control method thereof |
| CN101569494A (en) * | 2009-05-31 | 2009-11-04 | 广东格兰仕集团有限公司 | Electric rice cooker used for brown rice germination and cooking and control method thereof |
| CN102440679A (en) * | 2010-10-13 | 2012-05-09 | 珠海格力电器股份有限公司 | Rice cooking method of electric cooker with self-defined heating mode and electric cooker |
| CN102125385A (en) * | 2010-12-09 | 2011-07-20 | 美的集团有限公司 | Electric cooker and porridge cooking control method thereof |
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Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Applicant after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Applicant before: Midea Group |
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