CN106308459B - Empty pot determination methods and device for electric cooker - Google Patents
Empty pot determination methods and device for electric cooker Download PDFInfo
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- CN106308459B CN106308459B CN201510374459.2A CN201510374459A CN106308459B CN 106308459 B CN106308459 B CN 106308459B CN 201510374459 A CN201510374459 A CN 201510374459A CN 106308459 B CN106308459 B CN 106308459B
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Abstract
The invention discloses a kind of empty pot determination methods for electric cooker, it comprises the following steps：The temperature of boiler of the electric cooker is detected in real time；When the electric cooker is in the temperature control stage, if the temperature of boiler is more than the design temperature in the temperature control stage, the temperature deviation between the temperature of boiler and the design temperature is calculated every the first preset time；The temperature deviation being calculated in second preset time is added up to obtain temperature cumulative value, wherein, second preset time is more than first preset time；Judge whether the temperature cumulative value is more than or equal to preset value；If the temperature cumulative value is more than or equal to the preset value, judge that the electric cooker is currently at empty pot state.The empty pot determination methods can intelligent decision go out whether electric cooker is in empty pot state, not only ensure culinary art safety, moreover it is possible to reduce power supply waste.The invention also discloses a kind of empty pot judgment means for electric cooker.
Description
Technical field
The present invention relates to living electric apparatus technical field, more particularly to a kind of empty pot determination methods and one for electric cooker
Empty pot judgment means of the kind for electric cooker.
Background technology
Electric cooker, if whether can not judge in time is empty pot culinary art, not only results in product damage in cooking process
Badly or potential safety hazard be present, can also cause the waste of power supply.
The content of the invention
It is contemplated that at least solves one of technical problem in above-mentioned technology to a certain extent.Therefore, the present invention
One purpose is to propose a kind of empty pot determination methods for electric cooker, can intelligent decision go out whether electric cooker is in empty pot
State, not only ensure culinary art safety, moreover it is possible to reduce power supply waste.
It is another object of the present invention to propose a kind of empty pot judgment means for electric cooker.
To reach above-mentioned purpose, a kind of empty pot determination methods for electric cooker that one aspect of the present invention embodiment proposes,
Comprise the following steps：The temperature of boiler of the electric cooker is detected in real time；When the electric cooker is in the temperature control stage, if described
Temperature of boiler is more than the design temperature in the temperature control stage, then calculate the temperature of boiler every the first preset time sets with described
Temperature deviation between constant temperature degree；The temperature deviation being calculated in second preset time is added up and added up with obtaining temperature
Value, wherein, second preset time is more than first preset time；Judge whether the temperature cumulative value is more than or equal to
Preset value；If the temperature cumulative value is more than or equal to the preset value, judge that the electric cooker is currently at empty pot shape
State.
Empty pot determination methods for electric cooker according to embodiments of the present invention, when electric cooker is in the temperature control stage, such as
Fruit temperature of boiler is more than design temperature, then inclined every the temperature between the first preset time calculating temperature of boiler and design temperature
Difference, then the temperature deviation being calculated in the second preset time is added up to obtain temperature cumulative value, finally by sentencing
Whether disconnected temperature cumulative value is more than or equal to preset value to judge whether electric cooker is currently in empty pot state, so as to intelligence
Judge the empty pot state of electric cooker, can not only avoid also continuing to heating cooking during electric cooker sky pot and caused by damage of product
Or potential safety hazard, ensure electric rice cooker cooking safety, moreover it is possible to reduce the waste of power supply.
Wherein, if the temperature cumulative value is less than the preset value, judge cooking food be present in the electric cooker.
According to one embodiment of present invention, the temperature control stage be the electric rice cooker cooking during target control be present
The stage of temperature.
Specifically, the temperature control stage includes water suction stage, holding stage, boiling stage and cooked rice over a slow fire the stage.
According to one embodiment of present invention, when judging that the electric cooker is in empty pot state, the electric meal is also controlled
Pot is stopped.
To reach above-mentioned purpose, a kind of empty pot for electric cooker that another aspect of the present invention embodiment proposes judges dress
Put, including：Temperature detecting module, the temperature detecting module are used for the temperature of boiler for detecting the electric cooker in real time；Control mould
Block, the control module are connected with the temperature detecting module, and the control module is used to be in temperature control rank in the electric cooker
When section and the temperature of boiler are more than the design temperature in the temperature control stage temperature of boiler is calculated every the first preset time
With the temperature deviation between the design temperature, and the temperature deviation being calculated in the second preset time is added up to obtain
Temperature cumulative value is obtained, and judges whether the temperature cumulative value is more than or equal to preset value, and it is big in the temperature cumulative value
When the preset value, the control module judges that the electric cooker is currently at empty pot state, wherein, described second
Preset time is more than first preset time.
Empty pot judgment means for electric cooker according to embodiments of the present invention, pot is detected by temperature detecting module in real time
Temperature, such control module is when electric cooker is in the temperature control stage and temperature of boiler is more than design temperature when first is default
Between calculate temperature deviation between temperature of boiler and design temperature, the temperature deviation that then will be calculated in the second preset time
Added up to obtain temperature cumulative value, finally by judging whether temperature cumulative value is more than or equal to preset value and judges electric meal
Whether pot is currently in empty pot state, and the empty pot state of electric cooker is gone out so as to intelligent decision, can not only avoid electric cooker
Also continue to heating cooking during empty pot and caused by damage of product or potential safety hazard, ensure electric rice cooker cooking safety, moreover it is possible to reduce electricity
The waste in source.
Wherein, when the temperature cumulative value is less than the preset value, the control module judges the electric cooker internal memory
In cooking food.
According to one embodiment of present invention, the temperature control stage be the electric rice cooker cooking during target control be present
The stage of temperature.
Specifically, the temperature control stage includes water suction stage, holding stage, boiling stage and cooked rice over a slow fire the stage.
According to one embodiment of present invention, when judging that the electric cooker is in empty pot state, the control module is also
The electric cooker is controlled to be stopped.
Brief description of the drawings
Fig. 1 is the flow chart according to the empty pot determination methods for electric cooker of the embodiment of the present invention；
Cooking bottom temperature change curve when Fig. 2 is pot state currently empty according to the electric cooker of one embodiment of the invention shows
It is intended to；
Fig. 3 is cooking bottom temperature change curve signal when food in the electric cooker according to one embodiment of the invention be present
Figure；And
Fig. 4 is the block diagram according to the empty pot judgment means for electric cooker of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Empty the pot determination methods and use for electric cooker proposed according to embodiments of the present invention are described with reference to the accompanying drawings
In the empty pot judgment means of electric cooker.
Fig. 1 is the flow chart according to the empty pot determination methods for electric cooker of the embodiment of the present invention.As shown in figure 1, should
Empty pot determination methods for electric cooker comprise the following steps：
S1, the temperature of boiler of electric cooker is detected in real time, that is, detect the temperature of boiler of the interior pot of electric cooker, it is particularly detectable
The cooking bottom temperature of interior pot.
According to one embodiment of present invention, can be detected in real time by being arranged on the temperature sensor of inner pan of electric cooker bottom
Cooking bottom temperature.It is of course also possible to by detecting the temperature at other positions (such as interior pot side wall) of the interior pot of electric cooker in real time come generation
For the cooking bottom temperature of the interior pot of real-time detection electric cooker.
S2, when electric cooker is in the temperature control stage, if temperature of boiler is more than the design temperature in temperature control stage, every the
One preset time calculates the temperature deviation between temperature of boiler and design temperature.
Wherein, the temperature control stage be electric rice cooker cooking during the stage of target control temperature be present, such as can be water suction
Stage or holding stage.
Therefore, according to one embodiment of present invention, the temperature control stage may include water suction stage, holding stage, boiling stage
With the stage of cooking rice over a slow fire.
S3, the temperature deviation being calculated in the second preset time is added up to obtain temperature cumulative value, wherein, the
Two preset times are more than the first preset time.
Specifically, as shown in Figure 2 or Figure 3, electric cooker the temperature control stage such as the stage of absorbing water, holding stage, work as pot
When bottom temperature is more than the design temperature in temperature control stage, at interval of the first preset time T, the inclined of cooking bottom temperature and design temperature is gathered
Poor Y1, Y2 ..., Yn, then these deviations are added up to obtain temperature cumulative value Ysum=Y1+Y2+ ...+Yn.Wherein, when
When cooking bottom temperature is less than or equal to design temperature, the Ysum that adds up is reset.
S4, judges whether the temperature cumulative value is more than or equal to preset value.
S5, if temperature cumulative value is more than or equal to preset value, judge that electric cooker is currently at empty pot state.
It should be noted that when electric cooker is in empty pot state, in the identical heat time, the temperature of the interior pot of electric cooker
Degree rises faster when can be than food in pot be present, and the cooking bottom temperature curvilinear motion especially on design temperature becomes apparent,
Specifically as shown in Fig. 2 and Fig. 3 temperature curve.Therefore, in the temperature control stage of electric cooker, and cooking bottom temperature is more than design temperature
When, the temperature deviation between cooking bottom temperature and design temperature is calculated by fixed interval time T, then these temperature deviations
Value is carried out after adding up compared with preset value, so as to effectively judge whether electric cooker is currently in empty pot shape
State.
Say, in an embodiment of the present invention, when Ysum is more than or equal to preset value Ymax, judge that electric cooker is current
For empty pot.
If temperature cumulative value Ysum is less than preset value Ymax, judge cooking food in electric cooker be present.
Also, in an embodiment of the present invention, when judging that electric cooker is in empty pot state, also electric cooker is controlled to stop work
Make, avoid electric cooker sky pot from heating and damage or bring potential safety hazard.
In summary, the empty pot determination methods for electric cooker according to embodiments of the present invention, when electric cooker is in temperature control
During the stage, if temperature of boiler such as cooking bottom temperature is more than design temperature, every the first preset time calculate cooking bottom temperature with
Temperature deviation between design temperature, then the temperature deviation being calculated in the second preset time is added up to obtain temperature
Accumulated value is spent, finally by judging whether temperature cumulative value is more than or equal to preset value to judge electric cooker currently whether in empty
Pot state, the empty pot state of electric cooker is gone out so as to intelligent decision, can not only avoid also continuing to heat during electric cooker sky pot
Culinary art and caused by damage of product or potential safety hazard, ensure electric rice cooker cooking safety, moreover it is possible to reduce the waste of power supply.
As shown in figure 4, a kind of empty pot judgment means for electric cooker that the embodiment of the present invention also proposes are examined including temperature
Survey module 10 and control module 20.
Wherein, temperature detecting module 10 is used for the temperature of boiler for detecting electric cooker in real time, that is, detects the interior pot of electric cooker
Temperature of boiler, the cooking bottom temperature of particularly detectable interior pot.For example, can be by being arranged on the TEMP of inner pan of electric cooker bottom
Device detects cooking bottom temperature in real time, it is of course also possible to by detecting other positions (such as interior pot side wall) of the interior pot of electric cooker in real time
Temperature come replace in real time detection electric cooker interior pot cooking bottom temperature.
Control module 20 is connected with temperature detecting module 10, and control module 20 is used to be in the temperature control stage in the electric cooker
And temperature of boiler such as cooking bottom temperature be more than the temperature control stage design temperature when every the first preset time T calculate pot temperature
Spend the design temperature between temperature deviation, and by the temperature deviation being calculated in the second preset time added up with
Temperature cumulative value is obtained, and judges whether the temperature cumulative value is more than or equal to preset value, and in the temperature cumulative value
During more than or equal to the preset value, the control module judges that the electric cooker is currently at empty pot state, wherein, described
Two preset times are more than first preset time.
Also, when judging that the electric cooker is in empty pot state, control module 20 also controls the electric cooker to stop work
Make, potential safety hazard is damaged or bring so as to avoid electric cooker sky pot from heating.
According to one embodiment of present invention, when the temperature cumulative value is less than the preset value, control module 20 is sentenced
Cooking food be present in the disconnected electric cooker.
It should be noted that when electric cooker is in empty pot state, in the identical heat time, the temperature of the interior pot of electric cooker
Degree rises faster when can be than food in pot be present, and the cooking bottom temperature curvilinear motion especially on design temperature becomes apparent,
Specifically as shown in Fig. 2 and Fig. 3 temperature curve.Therefore, in the temperature control stage of electric cooker, and cooking bottom temperature is more than design temperature
When, the temperature deviation between cooking bottom temperature and design temperature is calculated by fixed interval time T, then these temperature deviations
Value is carried out after adding up compared with preset value, so as to effectively judge whether electric cooker is currently in empty pot shape
State.
Wherein, the temperature control stage be electric rice cooker cooking during the stage of target control temperature be present, such as can be water suction
Stage or holding stage.
Therefore, according to one embodiment of present invention, the temperature control stage may include water suction stage, holding stage, boiling stage
With the stage of cooking rice over a slow fire.
Specifically, as shown in Figure 2 or Figure 3, electric cooker the temperature control stage such as the stage of absorbing water, holding stage, work as pot
When bottom temperature is more than the design temperature in temperature control stage, at interval of the first preset time T, control module calculates cooking bottom temperature and setting
Deviation Y1, Y2 of temperature ..., Yn, then these deviations are added up again to obtain temperature cumulative value Ysum=Y1+Y2
+ ...+Yn, and temperature cumulative value Ysum and preset value are compared to judge whether electric cooker is currently in empty pot shape
State.If Ysum is more than or equal to preset value Ymax, control module then judges the currently empty pot of electric cooker.Wherein, pot is worked as
When bottom temperature is less than or equal to design temperature, the Ysum that adds up is reset.
Empty pot judgment means for electric cooker according to embodiments of the present invention, pot is detected by temperature detecting module in real time
Temperature such as cooking bottom temperature, such control module are every when electric cooker is in the temperature control stage and cooking bottom temperature is more than design temperature
The temperature deviation between cooking bottom temperature and design temperature is calculated every the first preset time, then will be calculated in the second preset time
To temperature deviation added up to obtain temperature cumulative value, finally by judging it is default whether temperature cumulative value is more than or equal to
Value judges whether electric cooker is currently in empty pot state, and the empty pot state of electric cooker is gone out so as to intelligent decision, can not only
Enough avoid also continuing to heating cooking during electric cooker sky pot and caused by damage of product or potential safety hazard, ensure electric rice cooker cooking peace
Entirely, moreover it is possible to reduce the waste of power supply.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of empty pot determination methods for electric cooker, it is characterised in that comprise the following steps：
The temperature of boiler of the electric cooker is detected in real time；
When the electric cooker is in the temperature control stage, if the temperature of boiler is more than the design temperature in the temperature control stage,
The temperature deviation between the temperature of boiler and the design temperature is calculated every the first preset time；
The temperature deviation being calculated in second preset time is added up to obtain temperature cumulative value, wherein, described second
Preset time is more than first preset time；
Judge whether the temperature cumulative value is more than or equal to preset value；
If the temperature cumulative value is more than or equal to the preset value, judge that the electric cooker is currently at empty pot state.
2. it is used for the empty pot determination methods of electric cooker as claimed in claim 1, it is characterised in that if the temperature cumulative value
Less than the preset value, then judge cooking food be present in the electric cooker.
3. it is used for the empty pot determination methods of electric cooker as claimed in claim 1, it is characterised in that the temperature control stage is described
The stage of target control temperature during electric rice cooker cooking be present.
4. it is used for the empty pot determination methods of electric cooker as claimed in claim 3, it is characterised in that the temperature control stage includes inhaling
Water stage, holding stage, boiling stage and cook rice over a slow fire the stage.
5. it is used for the empty pot determination methods of electric cooker as claimed in claim 1, it is characterised in that when judging at the electric cooker
When empty pot state, the electric cooker is also controlled to be stopped.
A kind of 6. empty pot judgment means for electric cooker, it is characterised in that including：
Temperature detecting module, the temperature detecting module are used for the temperature of boiler for detecting the electric cooker in real time；
Control module, the control module are connected with the temperature detecting module, and the control module is used in the electric cooker
When being more than the design temperature in the temperature control stage in temperature control stage and the temperature of boiler institute is calculated every the first preset time
The temperature deviation between temperature of boiler and the design temperature is stated, and the temperature deviation being calculated in the second preset time is entered
Row adds up to obtain temperature cumulative value, and judges whether the temperature cumulative value is more than or equal to preset value, and in the temperature
When degree accumulated value is more than or equal to the preset value, the control module judges that the electric cooker is currently at empty pot state, its
In, second preset time is more than first preset time.
7. it is used for the empty pot judgment means of electric cooker as claimed in claim 6, it is characterised in that when the temperature cumulative value is small
When the preset value, the control module judges cooking food be present in the electric cooker.
8. it is used for the empty pot judgment means of electric cooker as claimed in claim 6, it is characterised in that the temperature control stage is described
The stage of target control temperature during electric rice cooker cooking be present.
9. it is used for the empty pot judgment means of electric cooker as claimed in claim 8, it is characterised in that the temperature control stage includes inhaling
Water stage, holding stage, boiling stage and cook rice over a slow fire the stage.
10. it is used for the empty pot judgment means of electric cooker as claimed in claim 6, it is characterised in that when judging the electric cooker
During in empty pot state, the control module also controls the electric cooker to be stopped.
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| CN201510374459.2A CN106308459B (en) | 2015-06-29 | 2015-06-29 | Empty pot determination methods and device for electric cooker |
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|---|---|---|---|
| CN201510374459.2A CN106308459B (en) | 2015-06-29 | 2015-06-29 | Empty pot determination methods and device for electric cooker |
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| CN106308459B true CN106308459B (en) | 2018-01-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107242781A (en) * | 2017-07-27 | 2017-10-13 | 浙江绍兴苏泊尔生活电器有限公司 | Dry heating preventing method for electric kettle and electric kettle |
| CN109691855B (en) * | 2017-10-20 | 2022-10-04 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance, detection method and device thereof, storage medium and processor |
| CN108709204B (en) * | 2018-06-12 | 2020-12-01 | 上海纯米电子科技有限公司 | Empty pot detection method for induction cooker |
| CN108852057A (en) * | 2018-06-29 | 2018-11-23 | 九阳股份有限公司 | A kind of material detection method of food processor |
| CN108836125A (en) * | 2018-07-02 | 2018-11-20 | 珠海格力电器股份有限公司 | A kind of inner pan of electric cooker control method and system |
| CN109757972B (en) * | 2019-03-26 | 2020-12-01 | 芜湖纯米电子科技有限公司 | Electric cooker capable of identifying cooking and porridge cooking and porridge cooking identification method |
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