CN107348832A - A kind of electric cooker and its method for heating and controlling based on minimum boiling amount - Google Patents
A kind of electric cooker and its method for heating and controlling based on minimum boiling amount Download PDFInfo
- Publication number
- CN107348832A CN107348832A CN201710594096.2A CN201710594096A CN107348832A CN 107348832 A CN107348832 A CN 107348832A CN 201710594096 A CN201710594096 A CN 201710594096A CN 107348832 A CN107348832 A CN 107348832A
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- Prior art keywords
- pot
- heating
- controller
- electric cooker
- rice
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
-
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
-
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
According to electric cooker and method for heating and controlling proposed by the present invention based on minimum boiling amount, it includes pot, the interior pot in the pot and the pot cover for covering the interior pot, the interior pot bottom is provided with weighing sensor, the weighing sensor is used to detect the quality of rice and water in interior pot, and quality signal is passed into controller.Heater, its internal pot are heated；Controller, the quality signal that quality of reception sensor is sent, the power and heating duration of output control signal control heater.Its control method, based on above-mentioned electric cooker, the controller control internal pot of heater is heated, and the electric rice cooker is divided into water suction stage, heating period, has boiling water stage, anhydrous boiling stage and cook rice over a slow fire the stage.
Description
Technical field
The invention belongs to electric cooker technical field, more particularly to a kind of electric cooker and its method for heating and controlling.
Background technology
The electric cooker of early stage generally only has two stages in cooking rice, i.e., " cooks " and " insulation ", each stage
Rice is cooked using fixed power, wherein the duration in " cooking " stage is setting, the duration of " insulation " is basis
User needs to carry out actual selection.In order to improve the mouthfeel of rice, improved electric cooker " will cook " stage and be divided into five in detail
Individual sub-stage：I.e. absorb water stage, heating period, have boiling water stage, anhydrous boiling stage and cook rice over a slow fire the stage, this five sub-stages
Heating power it is different, the wherein heating period is important one section, because the duration of heating determines that water in pot reaches boiling
The duration of point, the temperature in several stages after yet determining, if the time of heating is inadequate, does not reach the temperature of needs, makes
It is half-cooked into rice, and the heat time is long, then causes " dry pot " situation that temperature is too high.
Current electric cooker uses temperature controlled method mostly, i.e., the water in pot is heated into 100 with fixed power
Automatically next stage is switched to after DEG C, but with some deficiency during temperature control heating, it is interior that the temperature detected first, which wants first,
The temperature of pot metal level, second is that the temperature of detection is the temperature of steam in pot, and the first detection mode is due to the heat conduction of metal
Property be higher than water, therefore the interior pot temperature measured be higher than interior pot reclaimed water temperature；And the temperature of second of detection mode detection is
The temperature of steam in pot, and steam is due to the liquidation exothermic reaction of temperature sensor surface, the temperature of the steam of sensor detection
Degree can all cause electric cooker to switch the stage of cooking too early usually above the temperature of water in actual pot, cause cooking time deficiency and
Temperature is relatively low；Secondly, this mode of heating does not account for the how many factor of rice, such as puts 500g rice and 200g rice exists
During heating, the time that upper strata steam reaches 100 DEG C may almost, therefore electric cooker may in the duration actually heated
The same, but 500g rice and 200g rice be within the same heat time, the temperature of its various pieces be it is different, because
For rice heating need a process from four circumferential meters of heap center heat transfers of rice heap, as fruit rice put it is more, the time heating when
Between not enough, cause the temperature inside and outside rice entirety inconsistent, easily cause be burned around rice, middle half-cooked situation.
The content of the invention
The present invention proposes a kind of electric cooker, and it includes pot, the interior pot in the pot and for described in covering
The pot cover of interior pot, the interior pot bottom are provided with weighing sensor, and the weighing sensor is used to detect rice and water in interior pot
Quality, and quality signal is passed into controller.Heater, its internal pot are heated；Controller, quality of reception sensor hair
The quality signal sent, the power and heating duration of output control signal control heater.
The present invention proposes a kind of electric rice cooker heated control method, and it is based on above-mentioned electric cooker, the controller control heating
The internal pot of device is heated so that the electric rice cooker is divided into water suction stage, heating period, has the boiling water stage, without boiling water
Stage and cook rice over a slow fire the stage, the wherein heating period comprises the following steps：
Step 1：Detection obtains the electric cooker minimum boiling amount m0Heating duration T0, i.e. duration is heated on basis；
Step 2：The quality signal that controller is transmitted by the weighing sensor of interior pot bottom determines boiling amount m；
Step 3：Controller is according to the boiling amount m, minimum boiling amount m0And basis heating duration T0Calculate heating rank
The heating duration T of section；
Step 4：Controller sends control signal to heater, with firm power heat in pot, a length of T during heating.
Wherein heating period heating duration T is：
Wherein, K is heating coefficient, and m is boiling amount, that is, the quality sum of rice and water in interior pot, m in actually using0For
Electric cooker minimum boiling amount, be the model electric cooker be at least capable of the rice of boiling and the water to match therewith quality it
With T0Based on heat duration, i.e., in pot the quality of rice and water be equal to m0When, rice aqueous mixtures are heated to 100 by heater
DEG C heating duration.The quality signal that m is sent to controller by weighing sensor is calculated.
According to electric cooker and method for heating and controlling proposed by the present invention based on minimum boiling amount, it is effectively overcomed
The shortcomings that existing electric cooker temperature survey is inaccurate, the heat time can not be adjusted according to actual boiling amount, has ensured to difference
Boiling amount rice temperature when being heated uniformity and accuracy, improve the mouthfeel of rice.
Figure of description
Fig. 1 is the flow of electric cooker cooking rice in the prior art；
Fig. 2 is computer heating control flow of the application electric cooker in the heating period.
Embodiment
The present invention is further described with reference to several embodiments.
In one embodiment, electric cooker of the invention includes pot, the interior pot in the pot and for covering
The pot cover of the interior pot is closed, the interior pot bottom is provided with weighing sensor, and the weighing sensor is used to detect rice in interior pot
With the quality of water, and quality signal is passed into controller.Heater, its internal pot are heated；Controller, the quality of reception pass
The quality signal that sensor is sent, the power and heating duration of output control signal control heater.Wherein, the electric cooker boiling
The process of rice is divided into water suction stage, heating period, has boiling water stage, anhydrous boiling stage and cook rice over a slow fire the stage, in heating rank
Section, controller is according to boiling amount m, minimum boiling amount m0And basis heating duration T0Calculate the heating duration T of heating period.
In a preferred embodiment, controller causes heater to enter with the internal pot of firm power to heater transmission control signal
Row heating.
In one embodiment, the present invention proposes a kind of method for heating and controlling of electric cooker, and the control method is based on upper
The electric cooker in embodiment is stated, the process of the electric cooker cooking rice is divided into water suction stage, heating period, has boiling water rank
Section, anhydrous boiling stage and cook rice over a slow fire the stage, the control method of wherein heating period comprises the following steps：
Step 1：Detection obtains the electric cooker minimum boiling amount m0Heating duration T0, i.e. duration is heated on basis；
Step 2：The quality signal that controller is transmitted by the weighing sensor of interior pot bottom determines boiling amount m；
Step 3：Controller is according to the boiling amount m, minimum boiling amount m0And basis heating duration T0Calculate heating rank
The heating duration T of section；
Step 4：Controller sends control signal to heater, with firm power heat in pot, a length of T during heating.
Specifically, the minimum boiling amount of electric cooker once at least can the rice of boiling and the quality of water with the electric cooker of the model
It is substantially square proportional with interior pot radius it is determined that the generally minimum boiling amount and volume, the diameter of interior pot is proportionate, this
Voluntarily instructed to determine by producer.Wherein the ratio of rice and water is then voluntarily determined by user, such as wishes that rice is soft tastier,
The ratio of water is with regard to higher, if it is desired to which rice is hard, and the ratio of rice is with regard to higher.For the minimum boiling amount of different proportion
m0Rice aqueous mixtures, its basis heating duration T0Difference is negligible, and in a preferred embodiment, the ratio of rice and water is 1:
1。
T0Tested and obtained by electric cooker producer, i.e., the rice of minimum boiling amount in interior pot is heated to 100 DEG C by heater
Duration.During test, heater uses temperature feedback control, and the temperature signal exported by temperature sensor is exported to control
Device processed, the controller control the heater according to the temperature signal.The temperature sensor is arranged on inner vessel for electrical cooking-vessel
Interior bottom, in this method of testing, due to not having to concern the problem of rice is polluted by temperature sensor, temperature sensor and rice
Aqueous mixtures directly contact, thus measure be meter aqueous mixtures true temperature, and actual user using when be impossible
Allow what temperature sensor directly contacted with rice.
Obtain basis and heat T after duration0, the T0And m0It is stored in the memory cell of the controller.It is actual in user
During cooking rice, rice aqueous mixtures are put into interior pot, are arranged on the weighing sensor below interior pot by the matter of acquisition
Measure signal and send controller, controller determines actual boiling amount m according to the mass change amount before and after being put into meter aqueous mixtures.
The controller controls the internal pot of heater to carry out low-power heating first, and the interior pot enters the water suction stage,
Heating period, the controller obtain heating duration further according to below equation：
K is heating coefficient, and m is boiling amount, that is, the quality sum of rice and water in interior pot, m in actually using0For electric cooker
Minimum boiling amount, it is that the electric cooker of the model is at least capable of the quality sum of the rice of boiling and the water to match therewith, T0
Based on heat duration, i.e., the quality of rice and water is equal to m in pot0When heating duration.M sends control to by weighing sensor
The quality signal of device is calculated.The heating coefficient K and the specific electric cooker are straight in heating power, the interior pot of heating period
Footpath, maximum boiling amount, the correlation such as heat transfer coefficient of interior pot material, the K values of the electric cooker of different manufacturers model are different, can be by passing through
Above-mentioned experimental method test obtains, for example, maximum boiling amount m will be put into interior potmaxRice aqueous mixtures, the TEMP
Device is arranged on the center of the rice aqueous mixtures, and test obtains heating duration Tmax, substitute into above-mentioned formula can reverse go out K.
The temperature sensor, controller, heater and the setting of weighing sensor and signal transacting, control method are equal
For prior art, will not be repeated here.
The preferred embodiments of the disclosure is these are only, but protection scope of the present invention is not limited thereto, it is any
Those familiar with the art the invention discloses technical scope in, it is contemplated that change or replacement should all cover this
Within the protection domain of invention.
Claims (3)
1. a kind of electric cooker, it includes pot, the interior pot in the pot and the pot cover for covering the interior pot, institute
To state interior pot bottom and be provided with weighing sensor, the weighing sensor is used to detecting the quality of rice and water in interior pot, and by quality
Signal passes to controller；Heater, its internal pot are heated；Controller, the quality signal that weighing sensor is sent is received,
The power and heating duration of output control signal control heater, it is characterised in that the controller is according to the minimum of electric cooker
Boiling amount m0, heater is by the minimum boiling amount m0Heat duration T in basis when being heated to 100 DEG C0And controller is according to institute
The heating duration T of heating period is calculated in the boiling amount m for stating quality signal acquisition.
2. electric cooker as claimed in claim 1, it is characterised in that the controller control internal pot of heater is heated,
It is divided into water suction stage, heating period, has boiling water stage, anhydrous boiling stage and cook rice over a slow fire the stage.
3. a kind of electric rice cooker heated control method, its electric cooker described in based on one of claim 1-2, it is characterised in that institute
Stating control method includes：
Step 1：Detection obtains the electric cooker minimum boiling amount m0Heating duration T0, i.e. duration is heated on basis；
Step 2：The quality signal that controller is transmitted by the weighing sensor of interior pot bottom determines boiling amount m；
Step 3：Controller is according to the boiling amount m, minimum boiling amount m0And basis heating duration T0Calculate the heating period
Heat duration T.
Step 4：Controller sends control signal to heater, with firm power heat in pot, a length of T during heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594096.2A CN107348832B (en) | 2017-07-20 | 2017-07-20 | Electric cooker based on minimum cooking amount and heating control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594096.2A CN107348832B (en) | 2017-07-20 | 2017-07-20 | Electric cooker based on minimum cooking amount and heating control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107348832A true CN107348832A (en) | 2017-11-17 |
| CN107348832B CN107348832B (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710594096.2A Expired - Fee Related CN107348832B (en) | 2017-07-20 | 2017-07-20 | Electric cooker based on minimum cooking amount and heating control method thereof |
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Citations (17)
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| JPH02306025A (en) * | 1989-05-19 | 1990-12-19 | Matsushita Electric Ind Co Ltd | High frequency heating device with defreezing sensor |
| CN1193714A (en) * | 1997-03-18 | 1998-09-23 | 三洋电机株式会社 | Cooking apparatus |
| CN1416663A (en) * | 2000-01-13 | 2003-05-07 | 松下电器产业株式会社 | Induction heating cooker |
| CN1791003A (en) * | 2004-12-14 | 2006-06-21 | 华为技术有限公司 | MG reporting service quality information realizing method in next generation network |
| CN101371749A (en) * | 2003-10-16 | 2009-02-25 | 松下电器产业株式会社 | Rice cooker |
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| CN102231084A (en) * | 2011-05-18 | 2011-11-02 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method of electric rice cooker |
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| CN105078266A (en) * | 2014-05-14 | 2015-11-25 | 皇家飞利浦有限公司 | Heating device for heating food in a container, in particular milk in a baby bottle |
| CN105091050A (en) * | 2014-05-23 | 2015-11-25 | 广东鼎燊科技有限公司 | Control system and method for commercial electromagnetic soup furnace |
| CN105092405A (en) * | 2014-05-06 | 2015-11-25 | 梅特勒-托利多公开股份有限公司 | Temperature modulated thermogravimetric analysis |
| CN105204386A (en) * | 2015-09-29 | 2015-12-30 | 小米科技有限责任公司 | Method and device for intelligently controlling electric cooker |
| CN105747880A (en) * | 2014-12-19 | 2016-07-13 | 佛山市顺德区美的电热电器制造有限公司 | Countdown displaying method and displaying system for cooking utensil |
| CN105928021A (en) * | 2016-05-05 | 2016-09-07 | 广东美的厨房电器制造有限公司 | Method and device for controlling power of cooking appliance and cooking appliance thereof |
| WO2017072568A1 (en) * | 2015-11-01 | 2017-05-04 | Elfi-Tech Ltd. | Method and apparatus for hemodynamically characterizing a neurological or fitness state by dynamic light scattering (dls) |
| CN106659330A (en) * | 2014-05-30 | 2017-05-10 | 易格利尔私人有限公司 | A cooking apparatus |
-
2017
- 2017-07-20 CN CN201710594096.2A patent/CN107348832B/en not_active Expired - Fee Related
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02306025A (en) * | 1989-05-19 | 1990-12-19 | Matsushita Electric Ind Co Ltd | High frequency heating device with defreezing sensor |
| CN1193714A (en) * | 1997-03-18 | 1998-09-23 | 三洋电机株式会社 | Cooking apparatus |
| CN1416663A (en) * | 2000-01-13 | 2003-05-07 | 松下电器产业株式会社 | Induction heating cooker |
| CN101371749A (en) * | 2003-10-16 | 2009-02-25 | 松下电器产业株式会社 | Rice cooker |
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| CN101940433A (en) * | 2010-02-22 | 2011-01-12 | 谢国华 | Electric heating kettle with weighting function and weighting control method thereof |
| CN102231084A (en) * | 2011-05-18 | 2011-11-02 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method of electric rice cooker |
| CN203723881U (en) * | 2014-02-20 | 2014-07-23 | 九阳股份有限公司 | Intelligent cooking utensil |
| CN105092405A (en) * | 2014-05-06 | 2015-11-25 | 梅特勒-托利多公开股份有限公司 | Temperature modulated thermogravimetric analysis |
| CN105078266A (en) * | 2014-05-14 | 2015-11-25 | 皇家飞利浦有限公司 | Heating device for heating food in a container, in particular milk in a baby bottle |
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| CN106659330A (en) * | 2014-05-30 | 2017-05-10 | 易格利尔私人有限公司 | A cooking apparatus |
| CN104367182A (en) * | 2014-11-25 | 2015-02-25 | 九阳股份有限公司 | Electric pressure cooker capable of conducting low-pressure cooking |
| CN105747880A (en) * | 2014-12-19 | 2016-07-13 | 佛山市顺德区美的电热电器制造有限公司 | Countdown displaying method and displaying system for cooking utensil |
| CN105204386A (en) * | 2015-09-29 | 2015-12-30 | 小米科技有限责任公司 | Method and device for intelligently controlling electric cooker |
| WO2017072568A1 (en) * | 2015-11-01 | 2017-05-04 | Elfi-Tech Ltd. | Method and apparatus for hemodynamically characterizing a neurological or fitness state by dynamic light scattering (dls) |
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| CN107348832B (en) | 2020-03-20 |
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Effective date of registration: 20200422 Address after: 528427 3rd floor, No.23, fengshuo Road, Nantou Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan Jingti Electronic Technology Co., Ltd Address before: Zhejiang province Yiwu City Chouzhou road 322000 Lane 230, No. 11 unit 1, Room 401 Patentee before: Wu Liankai |
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Granted publication date: 20200320 Termination date: 20210720 |