CN104834328A - Rice boiling temperature control method for electric rice cooker and electric rice cooker - Google Patents
Rice boiling temperature control method for electric rice cooker and electric rice cooker Download PDFInfo
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- CN104834328A CN104834328A CN201410046864.7A CN201410046864A CN104834328A CN 104834328 A CN104834328 A CN 104834328A CN 201410046864 A CN201410046864 A CN 201410046864A CN 104834328 A CN104834328 A CN 104834328A
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Abstract
The invention provides a rice boiling temperature control method for an electric rice cooker and the electric rice cooker. The method comprises: a first step of controlling the temperature of the electric rice cooker to elevate from a first pre-set temperature to a second pre-set temperature; a second step of controlling the temperature of the electric rice cooker to elevate from the second pre-set temperature to a third pre-set temperature; a third step of controlling the temperature of the electric rice cooker to elevate from the third pre-set temperature to a fourth pre-set temperature; and the fourth step of maintaining the temperature of the electric rice cooker between the third pre-set temperature and the fourth pre-set temperature. According to the invention, the rice boiling temperature control method for the electric rice cooker solves the technical problem that an existing electric rice cooker has a poor effect on boiling rice, ensures the uniformity of the rice boiled by the electric rice cooker, further improves structure design of the electric rice cooker from another side, and provides the basis for designing the electric rice cooker.
Description
Technical field
The present invention relates to field of household appliances, particularly relate to a kind of boiling rice with electric cooker temperature-controlled process and corresponding electric cooker.
Background technology
The use of current electric cooker is very wide, and every family has electric cooker at home, but user often can encounter the phenomenons such as rice is not yet done, rice boils Jiao, rice mouthfeel is bad.The reason producing this phenomenon except the fault of product own or user operation bad except, adopt different electric cooker difference on effect of cooking also to be very large.
Therefore, research is needed to affect the influence factor of electric cooker cooking effect.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide a kind of can obtain good boiling rice effect boiling rice with electric cooker temperature-controlled process and corresponding electric cooker.
Technical scheme of the present invention is as follows:
A kind of boiling rice with electric cooker temperature-controlled process, comprises the steps:
First stage, control electric cooker temperature and rise to the second preset temperature by the first preset temperature; β → а in first stage in rice-starch starts to transform, until blotted by water, till rice boils;
Subordinate phase, controls electric cooker temperature and is warming up to the 3rd preset temperature by the second preset temperature, and subordinate phase is the animated period that β in rice is converted into а starch;
Phase III, control electric cooker temperature and rise to the 4th preset temperature by the 3rd preset temperature, the abundant аization of the starch in the phase III in rice;
Fourth stage, keep electric cooker temperature between the 3rd preset temperature and the 4th preset temperature, fourth stage is the process of cooking rice over a slow fire, and boils off the steam between rice in process of cooking rice over a slow fire;
Described first preset temperature is 20 ± 2 DEG C, and described second preset temperature is 70 ± 2 DEG C, and described 3rd preset temperature is 95 ± 2 DEG C, and described 4th preset temperature is 105 ± 2 DEG C.
Further, the time of described first stage is 10 minutes to 12 minutes, and the time of described subordinate phase is 4 minutes to 6 minutes, and the time of described phase III is 5 minutes to 7 minutes, and the time of described fourth stage is 8 minutes to 10 minutes.
Further, the constant temperature of electric cooker described in the first stage rises.
Further, the described first stage comprises constant temperature ascent stage and holding stage, and in constant temperature ascent stage, temperature is at the uniform velocity warming up to the second preset temperature by the first preset temperature, and in holding stage, temperature remains on the second preset temperature.
Further, the constant temperature of electric cooker described in subordinate phase rises.
Further, in described fourth stage, the well heater of electric cooker stops heating.
Wherein, also warm-up phase is comprised before stage 1;
Warm-up phase; When the initial temperature of described electric cooker is lower than the first preset temperature, first controls electric cooker and be warming up to the first preset temperature.
The present invention also provides a kind of electric cooker, comprises electric cooker main body, well heater and temperature sensor, also comprises the controller for controlling electric cooker boiling temperature;
Described controller comprises the first control module, the second control module, the 3rd control module and the 4th control module;
Described first control module operates in for controlling electric cooker the first stage being risen to the second preset temperature by the first preset temperature; β → а in first stage in rice-starch starts to transform, until blotted by water, till rice boils;
Described second control module operates in for controlling electric cooker the subordinate phase being warming up to the 3rd preset temperature by the second preset temperature, and subordinate phase is the animated period that β in rice is converted into а starch;
Described 3rd control module operates in the phase III being risen to the 4th preset temperature by the 3rd preset temperature, the abundant аization of the starch in the phase III in rice for controlling electric cooker;
Described 4th control module runs on the fourth stage of temperature between the 3rd preset temperature and the 4th preset temperature for keeping electric cooker, and fourth stage is the process of cooking rice over a slow fire, and boils off the steam between rice in process of cooking rice over a slow fire;
Described controller is electrically connected with described well heater and described temperature sensor;
Described well heater and described temperature sensor are arranged in described electric cooker main body;
Wherein, described first preset temperature is 20 ± 2 DEG C, and described second preset temperature is 70 ± 2 DEG C, and described 3rd preset temperature is 95 ± 2 DEG C, and described 4th preset temperature is 105 ± 2 DEG C.
Further, the time of described first stage is 10 minutes to 12 minutes, and the time of described subordinate phase is 4 minutes to 6 minutes, and the time of described phase III is 5 minutes to 7 minutes, and the time of described fourth stage is 8 minutes to 10 minutes.
Further, the temperature that described temperature sensor records is the central temperature of the rice in described electric cooker.
The invention has the beneficial effects as follows: boiling rice with electric cooker temperature-controlled process of the present invention can solve electric cooker and to cook the technical matters of weak effect, ensure that the consistance of the rice of electric cooker boiling, further, boiling rice with electric cooker temperature-controlled process of the present invention can improve the structural design of electric cooker from another point of view, for the design of electric cooker provides foundation.
Accompanying drawing explanation
Fig. 1 is the temperature curve schematic diagram in the boiling rice process of electric cooker of the prior art;
Fig. 2 is the temperature curve schematic diagram in the boiling rice process of electric cooker of the present invention.
Embodiment
In order to make the application target of boiling rice with electric cooker temperature-controlled process of the present invention and electric cooker, technical scheme and advantage clearly understand, below in conjunction with concrete drawings and the specific embodiments, the present invention is further elaborated.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
The Main Ingredients and Appearance of rice is starch, protein and fat, and inventor, through research, thinks temperature curve to the maximum electric cooker of boiling rice with electric cooker influential effect.Find through research, the difference of the temperature curve of electric cooker directly can affect the cooking effect of rice, and also find, the temperature curve of appropriate design electric cooker can also provide certain foundation for the design of electric cooker simultaneously.
See Fig. 1, Fig. 1 is the temperature curve of cooking in the cooking rice process of the poor electric cooker of effect, the test point of this temperature curve is respectively bottom centre, bottom margin, rice center and rice edge, from the temperature curve obtained, the soaked time of rice is long, and the time of boiling stage too short (almost just seething with excitement at the end of cooking), therefore there will be not yet done problem of cooking.
According to the biochemical conversion condition of the principal ingredient of rice, in order to meet rice by the temperature in the process that the rice is cooked, moisture and the requirement of time, through research, the invention provides a kind of boiling rice with electric cooker temperature-controlled process, comprise the steps:
First stage, control electric cooker temperature and rise to the second preset temperature by the first preset temperature, the β → а in the first stage in rice-starch starts to transform, until blotted by water, till rice boils; In the first phase, the various biology enzymes in rice are all actively playing a role, and the analytes such as glucose, maltose and various free amino acids constantly produce; The time of first stage is too short has been difficult to said process, but overlong time can provide opportunity for some become sour bacterium and mould etc. again, and therefore, preferably, it is 10 minutes to 12 minutes that the present invention controls time first stage;
Subordinate phase, controls electric cooker temperature and is warming up to the 3rd preset temperature by the second preset temperature, and subordinate phase is the animated period that β in rice is converted into а starch; If temperature is too high in this step, easily make the rice at the bottom of electric cooker be charred, the time of subordinate phase should be shorter;
Phase III, control electric cooker temperature and rise to the 4th preset temperature by the 3rd preset temperature, the abundant аization of the starch in the phase III in rice;
Fourth stage, keep electric cooker temperature between the 3rd preset temperature and the 4th preset temperature, fourth stage is the process of cooking rice over a slow fire, and boils off the steam between rice in this process.
Preferably, as a kind of embodiment, described first preset temperature is 20 ± 2 DEG C, and described second preset temperature is 70 ± 2 DEG C, and described 3rd preset temperature is 95 ± 2 DEG C, and described 4th preset temperature is 105 ± 2 DEG C.
Preferably, as a kind of embodiment, the time of described first stage is 10 minutes to 12 minutes, and the time of described subordinate phase is 4 minutes to 6 minutes, the time of described phase III is 5 minutes to 7 minutes, and the time of described fourth stage is 8 minutes to 10 minutes.
Preferably, as a kind of embodiment, the constant temperature of electric cooker described in the first stage rises.Namely, in the whole process of first stage, the temperature of electric cooker is warming up to the second preset temperature with certain speed from the first preset temperature, and when rising to the second preset temperature, the first stage terminates, and enters subordinate phase.
Or the described first stage comprises constant temperature ascent stage and holding stage, in constant temperature ascent stage, temperature is at the uniform velocity warming up to the second preset temperature by the first preset temperature, and in holding stage, temperature remains on the second preset temperature.Namely in the first stage, after temperature can rise to the second preset temperature with given pace, then at the second preset temperature held for some time.
Preferably, as a kind of embodiment, the constant temperature of electric cooker described in subordinate phase rises, and namely in subordinate phase, control temperature is at the uniform velocity warming up to the 3rd preset temperature with given pace by the second preset temperature.
Preferably, as a kind of embodiment, in described fourth stage, the well heater of electric cooker stops heating.In fourth stage, preferably, control temperature is at 95 DEG C to 105 DEG C, and rice boils in fourth stage, starch in rice abundant аization, mainly evaporates the moisture in rice in fourth stage, therefore do not need heating, rely on the waste heat of the well heater of electric cooker can complete this process, arrange like this and there is energy-conservation effect.
Preferably, as a kind of embodiment, also warm-up phase is comprised before stage 1;
Warm-up phase; When the initial temperature of described electric cooker is lower than the first preset temperature, first controls electric cooker and be warming up to the first preset temperature.Especially in the winter in the north, if water temperature is lower than the first preset temperature, the temperature of electric cooker should be made to rise to the first preset temperature with given pace before stage 1.Heating rate can be identical with the heating rate of first stage, and preheating time is determined according to initial temperature.
See the boiling rice with electric cooker temperature curve that Fig. 2, Fig. 2 are a preferred embodiment of the present invention, wherein in the first stage, electric cooker temperature is at the uniform velocity increased to 70 DEG C from 20 DEG C, and the time of first stage is about 11 minutes; Subordinate phase electric cooker temperature at the uniform velocity rises to 95 DEG C from 70 DEG C, and the time is 5 minutes; Phase III is boiling stage, and electric cooker temperature rises to 105 DEG C from 95 DEG C, and the time is 6 minutes; In fourth stage, electric cooker temperature remains on 95 DEG C to 105 DEG C, and the time is 10 minutes.
Based on same inventive concept, the present invention also provides a kind of electric cooker, comprises electric cooker main body, well heater and temperature sensor, also comprises the controller for controlling electric cooker boiling temperature;
Described controller comprises the first control module, the second control module, the 3rd control module and the 4th control module;
Described first control module operates in for controlling electric cooker the first stage being risen to the second preset temperature by the first preset temperature; β → а in first stage in rice-starch starts to transform, until blotted by water, till rice boils;
Described second control module operates in for controlling electric cooker the subordinate phase being warming up to the 3rd preset temperature by the second preset temperature, and subordinate phase is the animated period that β in rice is converted into а starch;
Described 3rd control module operates in the phase III being risen to the 4th preset temperature by the 3rd preset temperature, the abundant аization of the starch in the phase III in rice for controlling electric cooker;
Described 4th control module runs on the fourth stage of temperature between the 3rd preset temperature and the 4th preset temperature for keeping electric cooker, and fourth stage is the process of cooking rice over a slow fire, and boils off the steam between rice in process of cooking rice over a slow fire;
Described controller is electrically connected with described well heater and described temperature sensor;
Described well heater and described temperature sensor are arranged in described electric cooker main body;
Wherein, described first preset temperature is 20 ± 2 DEG C, and described second preset temperature is 70 ± 2 DEG C, and described 3rd preset temperature is 95 ± 2 DEG C, and described 4th preset temperature is 105 ± 2 DEG C.
Further, described first control module rose to second preset temperature by the first preset temperature for controlling electric cooker temperature in 10 minutes to 12 minutes; Described second control module was warming up to three preset temperature by the second preset temperature for controlling electric cooker temperature in 4 minutes to 6 minutes; Described 3rd control module rose to four preset temperature by the 3rd preset temperature for controlling electric cooker temperature in 5 minutes to 7 minutes; Described 4th control module is used for keeping electric cooker temperature between the 3rd preset temperature and the 4th preset temperature at 8 minutes to 10 minutes;
Further, the temperature that described temperature sensor records is the central temperature of the rice in described electric cooker.
The present invention is according to the biochemical conversion condition of the principal ingredient of rice, the digestion process of rice is divided into four-stage, and control the temperature and time of this four-stage, obtain optimum temperature curve, the electric cooker gone out according to this optimum temperature Curve Design solves electric cooker and to cook the problem of poor effect, and further for the design of electric cooker provides foundation, for the structure improving electric cooker provides reference.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claim.
Claims (10)
1. a boiling rice with electric cooker temperature-controlled process, is characterized in that, comprises the steps:
First stage, control electric cooker temperature and rise to the second preset temperature by the first preset temperature; β → а in first stage in rice-starch starts to transform, until blotted by water, till rice boils;
Subordinate phase, controls electric cooker temperature and is warming up to the 3rd preset temperature by the second preset temperature, and subordinate phase is the animated period that β in rice is converted into а starch;
Phase III, control electric cooker temperature and rise to the 4th preset temperature by the 3rd preset temperature, the abundant аization of the starch in the phase III in rice;
Fourth stage, keep electric cooker temperature between the 3rd preset temperature and the 4th preset temperature, fourth stage is the process of cooking rice over a slow fire, and boils off the steam between rice in process of cooking rice over a slow fire;
Described first preset temperature is 20 ± 2 DEG C, and described second preset temperature is 70 ± 2 DEG C, and described 3rd preset temperature is 95 ± 2 DEG C, and described 4th preset temperature is 105 ± 2 DEG C.
2. boiling rice with electric cooker temperature-controlled process according to claim 1, it is characterized in that, the time of described first stage is 10 minutes to 12 minutes, the time of described subordinate phase is 4 minutes to 6 minutes, the time of described phase III is 5 minutes to 7 minutes, and the time of described fourth stage is 8 minutes to 10 minutes.
3. boiling rice with electric cooker temperature-controlled process according to claim 2, is characterized in that, the constant temperature of electric cooker described in the first stage rises.
4. boiling rice with electric cooker temperature-controlled process according to claim 2, it is characterized in that, the described first stage comprises constant temperature ascent stage and holding stage, in constant temperature ascent stage, temperature is at the uniform velocity warming up to the second preset temperature by the first preset temperature, and in holding stage, temperature remains on the second preset temperature.
5. the boiling rice with electric cooker temperature-controlled process according to claim 3 or 4, is characterized in that, the constant temperature of electric cooker described in subordinate phase rises.
6. boiling rice with electric cooker temperature-controlled process according to claim 5, is characterized in that, in described fourth stage, the well heater of electric cooker stops heating.
7. the boiling rice with electric cooker temperature-controlled process according to claims 1 to 3 any one, is characterized in that, also comprise warm-up phase before stage 1;
Warm-up phase: when the initial temperature of described electric cooker is lower than the first preset temperature, first controls electric cooker and is warming up to the first preset temperature.
8. an electric cooker, comprises electric cooker main body, well heater and temperature sensor, it is characterized in that, also comprises the controller for controlling electric cooker boiling temperature;
Described controller comprises the first control module, the second control module, the 3rd control module and the 4th control module;
Described first control module operates in for controlling electric cooker the first stage being risen to the second preset temperature by the first preset temperature; β → а in first stage in rice-starch starts to transform, until blotted by water, till rice boils;
Described second control module operates in for controlling electric cooker the subordinate phase being warming up to the 3rd preset temperature by the second preset temperature, and subordinate phase is the animated period that β in rice is converted into а starch;
Described 3rd control module operates in the phase III being risen to the 4th preset temperature by the 3rd preset temperature, the abundant аization of the starch in the phase III in rice for controlling electric cooker;
Described 4th control module runs on the fourth stage of temperature between the 3rd preset temperature and the 4th preset temperature for keeping electric cooker, and fourth stage is the process of cooking rice over a slow fire, and boils off the steam between rice in process of cooking rice over a slow fire;
Described controller is electrically connected with described well heater and described temperature sensor;
Described well heater and described temperature sensor are arranged in described electric cooker main body;
Wherein, described first preset temperature is 20 ± 2 DEG C, and described second preset temperature is 70 ± 2 DEG C, and described 3rd preset temperature is 95 ± 2 DEG C, and described 4th preset temperature is 105 ± 2 DEG C.
9. electric cooker according to claim 8, it is characterized in that, the time of described first stage is 10 minutes to 12 minutes, and the time of described subordinate phase is 4 minutes to 6 minutes, the time of described phase III is 5 minutes to 7 minutes, and the time of described fourth stage is 8 minutes to 10 minutes.
10. electric cooker according to claim 9, is characterized in that, the temperature that described temperature sensor records is the central temperature of the rice in described electric cooker.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410046864.7A CN104834328A (en) | 2014-02-10 | 2014-02-10 | Rice boiling temperature control method for electric rice cooker and electric rice cooker |
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| CN201410046864.7A CN104834328A (en) | 2014-02-10 | 2014-02-10 | Rice boiling temperature control method for electric rice cooker and electric rice cooker |
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Application publication date: 20150812 |