CN107461767A - Kitchen range prevent determination methods and device, control method and device and the kitchen range of dry pot - Google Patents
Kitchen range prevent determination methods and device, control method and device and the kitchen range of dry pot Download PDFInfo
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- CN107461767A CN107461767A CN201710555406.XA CN201710555406A CN107461767A CN 107461767 A CN107461767 A CN 107461767A CN 201710555406 A CN201710555406 A CN 201710555406A CN 107461767 A CN107461767 A CN 107461767A
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- pan
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- dry pot
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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Abstract
The present invention relates to intelligent appliance technical field, disclose determination methods and device, control method and device and kitchen range that a kind of kitchen range prevent dry pot, kitchen range prevent the determination methods of dry pot according to the overall specific heat capacity of the temperature computation pan of the firepower of the kitchen range got in real time, the overall weight of pan and pan, and when the overall specific heat capacity of pan is more than default first specific heat capacity threshold value, judge there is water in pan；After judging to have water in pan, when the decrement of the overall weight in the pan unit interval is less than default first weight decrement threshold value, and the ascending amount of the bulk temperature in the pan unit interval judges that dry pot occurs for pan when being more than default first temperature rise threshold value.By the combination of three dimensions of temperature of the firepower of kitchen range, the overall weight of pan and pan, the timely judgement that pot is done to pan is realized, to avoid causing kitchen range inconvenient for use due to that can not judge pan that dry pot occurs in time and potential safety hazard being present.
Description
Technical field
The present invention relates to intelligent appliance technical field, more particularly to a kind of kitchen range prevent dry pot determination methods and device,
Control method and device and kitchen range.
Background technology
At present, kitchen range are widely used in daily life culinary art, and user carries out Baoshang or steaming commonly using kitchen range
Boil.But when user carries out Baoshang unattended for a long time or boiling using kitchen range, the pan being placed on kitchen range is usual
Dry pot phenomenon occurs；Due to that can not judge that dry pot occurs for pan in time, so as to cause to be made troubles using kitchen range to user,
Potential safety hazard be present in the use for even resulting in kitchen range.
The content of the invention
It is an object of the invention to provide the determination methods that a kind of kitchen range prevent dry pot, to solve to be grown using kitchen range in user
It can not judge that the technical problem of dry pot occurs for pan during time unattended culinary art in time, kitchen range are used to improve user
The security that convenience and kitchen range use.
In order to solve the above-mentioned technical problem, the present invention provides the determination methods that a kind of kitchen range prevent dry pot, including step：
Firepower, the overall weight for the pan being placed on the kitchen range and the temperature of the pan of kitchen range are obtained in real time；
According to the temperature of the firepower of the kitchen range got in real time, the overall weight of the pan and the pan,
Calculate the overall specific heat capacity of the pan；
When the overall specific heat capacity of the pan is more than default first specific heat capacity threshold value, judge there is water in the pan；
When the decrement of the overall weight in the pan unit interval is less than default first weight decrement threshold value, and
When the ascending amount of bulk temperature in the pan unit interval is more than default first temperature rise threshold value, the pot is judged
Dry pot occurs for tool.
Preferably, the firepower for the kitchen range that the basis is got in real time, the overall weight of the pan with
And the temperature of the pan, the overall specific heat capacity for calculating the pan specifically include step：
The total quality of current pan is calculated according to the overall weight of the pan got in real time；
Current pan unit interval systemic heat is calculated by below equation：
Q=B*W*t；Wherein, Q is current pan unit interval systemic heat, and B is conversion efficiency, and W is the stove
Has the power output under current firepower, t is the unit time；
The overall specific heat capacity of current pan is calculated by following calculation formula：
C0=Q* Δs t0/ (m0* Δ T0)；Wherein, c0 is the overall specific heat capacity of current pan, and Δ t0 inhales for current pan
The duration of heat is received, m0 is the total quality of current pan, and Δ T0 is the ascending amount of temperature of the current pan in Δ t0.
Preferably, the kitchen range prevent that the determination methods of dry pot also include step：
Calculate the quality of the water in current pan；
According to the overall weight of the current pan got in real time, total quality in the current pan unit interval is calculated
Decrement；
Before judging that dry pot occurs for current pan, the water evaporating completely in current pan is calculated by following calculation formula
Required duration：
T1=m1/ Δs m；Wherein, t1 is the duration needed for the water evaporating completely in current pan, and m1 is in current pan
The quality of water, Δ m are the decrement of the total quality in the current pan unit interval.
Preferably, the quality for calculating the water in current pan specifically includes step：
According to the net quality of each default pan in database, calculated in database and preset using following calculation formula
Each pan net quality corresponding to pan in water specific heat capacity：
C1=Q1* Δs t1/ [(m0-m2 ') * Δs T1]；Wherein, c1 is the net of each default pan in database
The specific heat capacity of the water in pan corresponding to quality, Q1 are each default pan unit interval systemic heat in database
Amount, Δ t1 are the duration that each default pan absorbs heat in database, and m0 is the total quality of current pan, and m2 ' is
The net quality of each default pan in database, Δ T1 are temperature of each the default pan in Δ t1 in database
Ascending amount；
The m2 ' corresponding to the immediate c1 of specific heat capacity c1 ' with pure water is obtained, and using the m2 ' as the net of current pan
Quality m2；
The quality of the water in current pan is calculated by below equation：
M1=m0-m2.
Preferably, step is also included after the quality for calculating by below equation the water in current pan
Suddenly：
The quality of the water in current pan is corrected by below equation, and obtained in the current pan after correction
The quality of water：
M1 '=m1-A* (c1 '-c2)；Wherein, m1 ' is the quality of the water in the current pan after correction, and A is adjustment
Coefficient, c2 are the specific heat capacity of the water in current pan.
Preferably, the kitchen range prevent that the determination methods of dry pot also include step：
When the overall weight of current pan is more than default second weight threshold, judge there is new material to add in current pan
Enter；
Calculate the quality of the new material；
The specific heat capacity of the new material is calculated by following calculation formula：
C3=(Q* Δ t0-m0*c0* Δ T0)/(m3* Δ T0)；Wherein, c3 be the new material specific heat capacity, Q
For current pan unit interval systemic heat, Δ t0 is the duration that current pan absorbs heat, and c0 is the whole of current pan
Body specific heat capacity, Δ T0 are the ascending amount of temperature of the current pan in Δ t0, and m3 is the quality of the new material；
When the specific heat capacity of the new material is more than default second specific heat capacity threshold value, judge the new material for water；
When judging the new material for water, calculated by following calculation formula in the current pan after adding new material
The quality of water：
M4=m1+m3；Wherein, m4 be add new material after current pan in water quality.
In order to solve identical technical problem, the present invention also provides the control method that a kind of kitchen range prevent dry pot, including step：
Prevent that the determination methods of dry pot are carried out to current pan based on kitchen range using as described in claim any one of 1-6
Dry pot judges；
When judging that dry pot occurs for current pan, the kitchen range are controlled to reduce firepower until dry pot does not occur for current pan.
Preferably, the kitchen range prevent that the control method of dry pot also includes step：
When judging that dry pot occurs for current pan, the kitchen range are controlled to send dry pot alarm signal, and generate dry pot simultaneously
Record.
In order to solve identical technical problem, the present invention also provides the judgment means that a kind of kitchen range prevent dry pot, including：
Real-time acquisition module, for obtain in real time the firepower of kitchen range, the pan being placed on the kitchen range overall weight with
And the temperature of the pan；
Pan entirety specific heat capacity computing module, for firepower according to the kitchen range that get in real time, the pan
The temperature of overall weight and the pan, calculate the overall specific heat capacity of the pan；
First judge module, for when the overall specific heat capacity of the pan is more than default first specific heat capacity threshold value, sentencing
There is water in the disconnected pan；
Dry pot judge module, it is less than default first for the decrement when the overall weight in the pan unit interval
Weight decrement threshold value, and the ascending amount of the bulk temperature in the pan unit interval is more than default first temperature rise
During threshold value, judge that dry pot occurs for the pan.
Preferably, the pan entirety specific heat capacity computing module specifically includes：
Pan total quality computing unit, current pot is calculated for the overall weight according to the pan got in real time
The total quality of tool；
Pan absorbs heat Calculation unit, for calculating current pan unit interval systemic heat by below equation
Amount：
Q=B*W*t；Wherein, Q is current pan unit interval systemic heat, and B is conversion efficiency, and W is the stove
Has the power output under current firepower, t is the unit time；
Pan entirety specific heat capacity computing unit, for calculating the overall specific heat capacity of current pan by following calculation formula：
C0=Q* Δs t0/ (m0* Δ T0)；Wherein, c0 is the overall specific heat capacity of current pan, and Δ t0 inhales for current pan
The duration of heat is received, m0 is the total quality of current pan, and Δ T0 is the ascending amount of temperature of the current pan in Δ t0.
Preferably, the kitchen range prevent that the judgment means of dry pot also include：
First water quality computing module, for calculating the quality of the water in current pan；
Mass lost amount computing module, for the overall weight according to the current pan got in real time, calculate current pot
Has the decrement of the total quality in the unit interval；
Dry pot duration calculation module, for before judging that dry pot occurs for current pan, being calculated by following calculation formula
The duration needed for water evaporating completely in current pan：
T1=m1/ Δs m；Wherein, t1 is the duration needed for the water evaporating completely in current pan, and m1 is in current pan
The quality of water, Δ m are the decrement of the total quality in the current pan unit interval.
Preferably, the first water quality computing module specifically includes：
Water specific heat capacity computing unit, for the net quality according to each default pan in database, using following meter
Calculate the specific heat capacity that formula calculates the water in the pan in database corresponding to the net quality of each default pan：
C1=Q1* Δs t1/ [(m0-m2 ') * Δs T1]；Wherein, c1 is the net of each default pan in database
The specific heat capacity of the water in pan corresponding to quality, Q1 are each default pan unit interval systemic heat in database
Amount, Δ t1 are the duration that each default pan absorbs heat in database, and m0 is the total quality of current pan, and m2 ' is
The net quality of each default pan in database, Δ T1 are temperature of each the default pan in Δ t1 in database
Ascending amount；
The net quality acquiring unit of current pan, for obtaining corresponding to the immediate c1 of specific heat capacity c1 ' with pure water
M2 ', and the net quality m2 using the m2 ' as current pan；
Water quality computing unit, for calculating the quality of the water in current pan by below equation：
M1=m0-m2.
Preferably, the kitchen range prevent that the judgment means of dry pot also include：
Water quality correction module, for being corrected by below equation to the quality of the water in current pan, and obtain
The quality of the water in current pan after correction：
M1 '=m1-A* (c1 '-c2)；Wherein, m1 ' is the quality of the water in the current pan after correction, and A is adjustment
Coefficient, c2 are the specific heat capacity of the water in current pan.
Preferably, the kitchen range prevent that the judgment means of dry pot also include：
New material judge module, for when the overall weight of current pan is more than default second weight threshold, judging
There is new material addition in current pan；
New material Quality Calculation Module, for calculating the quality of the new material；
New material specific heat capacity computing module, the specific heat capacity of the new material is calculated by following calculation formula：
C3=(Q* Δ t0-m0*c0* Δ T0)/(m3* Δ T0)；Wherein, c3 be the new material specific heat capacity, Q
For current pan unit interval systemic heat, Δ t0 is the duration that current pan absorbs heat, and c0 is the whole of current pan
Body specific heat capacity, Δ T0 are the ascending amount of temperature of the current pan in Δ t0, and m3 is the quality of the new material；
Second judge module, for when the specific heat capacity of the new material is more than default second specific heat capacity threshold value, judging
The new material is water；
Second water quality computing module, for being calculated by following calculation formula in the current pan after adding new material
The quality of water：
M4=m1+m3；Wherein, m4 be add new material after current pan in water quality.
In order to solve identical technical problem, the present invention also provides the control device that a kind of kitchen range prevent dry pot, including：
Using the above-mentioned judgment means that dry pot is prevented based on kitchen range, for carrying out dry pot judgement to current pan；
Dry pot processing module, for when judging that dry pot occurs for current pan, controlling the kitchen range to reduce firepower until working as
Dry pot does not occur for preceding pan.
Preferably, the kitchen range prevent that the control device of dry pot also includes：
Alarm module, for when judging that dry pot occurs for current pan, controlling the kitchen range to send dry pot alarm signal, and
Dry pot record is generated simultaneously.
In order to solve identical technical problem, the present invention also provides a kind of kitchen range for having and preventing dry pot function, the kitchen range
Prevent the control device, pressure sensor and temperature sensor of dry pot including above-mentioned kitchen range, the pressure sensor and described
Temperature sensor is on the kitchen range.
The present invention provides the determination methods that a kind of kitchen range prevent dry pot, according to the firepower of the kitchen range got in real time, pan
The overall specific heat capacity of the temperature computation pan of overall weight and pan, and it is more than default first in the overall specific heat capacity of pan
During specific heat capacity threshold value, judge there is water in pan；After judging to have water in pan, when subtracting for the overall weight in the pan unit interval
It is less than default first weight decrement threshold value on a small quantity, and the ascending amount of the bulk temperature in the pan unit interval is more than default
During the first temperature rise threshold value, judge that dry pot occurs for pan.Pass through the firepower of kitchen range, the overall weight of pan and pan
The combination of three dimensions of temperature, the timely judgement that pot is done to pan is realized, to avoid due to pan can not be judged in time
Dry pot and cause kitchen range inconvenient for use and potential safety hazard be present, so as to improve user use kitchen range convenience and security.
Brief description of the drawings
Fig. 1 is the flow chart for the determination methods that the kitchen range in the embodiment of the present invention prevent dry pot；
Fig. 2 is the flow chart of the step S12 in the embodiment of the present invention；
Fig. 3 is the flow chart for the control method that the kitchen range in the embodiment of the present invention prevent dry pot；
Fig. 4 is the structured flowchart for the judgment means that the kitchen range in the embodiment of the present invention prevent dry pot；
Fig. 5 is the structured flowchart of the pan entirety specific heat capacity computing module in the embodiment of the present invention；
Fig. 6 is the structured flowchart for the control device that the kitchen range in the embodiment of the present invention prevent dry pot.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
As shown in figure 1, a kind of kitchen range of the preferred embodiment of the present invention prevent the flow chart of the determination methods of dry pot, including step
Suddenly：
S11, firepower, the overall weight for the pan being placed on the kitchen range and the temperature of the pan of kitchen range are obtained in real time
Degree；
S12, according to the temperature of the firepower of the kitchen range got in real time, the overall weight of the pan and the pan
Degree, calculate the overall specific heat capacity of the pan；
S13, when the overall specific heat capacity of the pan is more than default first specific heat capacity threshold value, judge have in the pan
Water；
S14, when the decrement of the overall weight in the pan unit interval is less than default first weight decrement threshold
Value, and when the ascending amount of the bulk temperature in the pan unit interval is more than default first temperature rise threshold value, judgement
Dry pot occurs for the pan.
In embodiments of the present invention, according to the overall weight of the firepower of the kitchen range got in real time, the pan with
And the overall specific heat capacity of pan described in the temperature computation of the pan, and it is more than default the in the overall specific heat capacity of the pan
During one specific heat capacity threshold value, judge there is water in the pan；After judging to have water in the pan, when in the pan unit interval
The decrement of overall weight be less than default first weight decrement threshold value, and the bulk temperature in the pan unit interval
Ascending amount when being more than default first temperature rise threshold value, judge that dry pot occurs for the pan.Pass through the fire of the kitchen range
The combination of three dimensions of temperature of power, the overall weight of the pan and the pan, realize it is to the dry pot of the pan and
When judge, to avoid causing the kitchen range inconvenient for use and exist to pacify due to that can not judge the pan that dry pot occurs in time
Full hidden danger, so as to improve the convenience and security that user uses the kitchen range.
As shown in Fig. 2 in order to utilize the firepower of the kitchen range, the overall weight of the pan and the institute got in real time
The temperature for stating pan accurately calculates the overall specific heat capacity of the pan, and the step S12 in the present embodiment specifically includes step：
S121, the total quality of current pan is calculated according to the overall weight of the pan got in real time；
S122, current pan unit interval systemic heat is calculated by below equation：
Q=B*W*t；Wherein, Q is current pan unit interval systemic heat, and B is conversion efficiency, and W is the stove
Has the power output under current firepower, t is the unit time；
S123, the overall specific heat capacity of current pan is calculated by following calculation formula：
C0=Q* Δs t0/ (m0* Δ T0)；Wherein, c0 is the overall specific heat capacity of current pan, and Δ t0 inhales for current pan
The duration of heat is received, m0 is the total quality of current pan, and Δ T0 is the ascending amount of temperature of the current pan in Δ t0.
In embodiments of the present invention, the entirety of current pan is calculated by the overall weight of the pan got in real time
Quality, and current pan unit interval systemic heat is calculated by power output of the kitchen range under current firepower, most
The temperature for the pan that termination conjunction is got in real time accurately calculates the overall specific heat capacity of current pan, to pass through current pan
Overall specific heat capacity judge whether there is water in current pan.
In addition, in embodiments of the present invention, it is necessary to illustrate, the conversion efficiency B in the present embodiment passes through a large amount of
After experiment is summarized, obtained by experience.
In embodiments of the present invention, in order to predict the time of the dry pot of current pan generation, the stove in this example
Tool prevents that the determination methods of dry pot also include step：
Calculate the quality of the water in current pan；
According to the overall weight of the current pan got in real time, total quality in the current pan unit interval is calculated
Decrement；
Before judging that dry pot occurs for current pan, the water evaporating completely in current pan is calculated by following calculation formula
Required duration：
T1=m1/ Δs m；Wherein, t1 is the duration needed for the water evaporating completely in current pan, and m1 is in current pan
The quality of water, Δ m are the decrement of the total quality in the current pan unit interval.
In embodiments of the present invention, in the quality and current pan unit interval by calculating the water in current pan
The decrement of total quality, and then calculate the duration needed for the water evaporating completely in current pan, i.e., current pan occurs dry
The time of pot, dry pot when occurs in current pan to allow user to predict in advance, consequently facilitating user is by adjusting the stove
The time that the firepower of tool current pan occurs dry pot is adjusted, further to prevent current pan from dry pot occurs.
In addition, in embodiments of the present invention, it is necessary to explanation, when known to the net quality in current pan, can pass through
The net quality that the total quality of current pan subtracts current pan directly obtains the quality of the water in current pan.
In embodiments of the present invention, when the net quality of current pan can not be known, then need each in polling data storehouse
The net quality of pan calculates the quality of the water in current pan, specifically, the current pan of the calculating in the present embodiment
The quality of interior water specifically includes step：
According to the net quality of each default pan in database, calculated in database and preset using following calculation formula
Each pan net quality corresponding to pan in water specific heat capacity：
C1=Q1* Δs t1/ [(m0-m2 ') * Δs T1]；Wherein, c1 is the net of each default pan in database
The specific heat capacity of the water in pan corresponding to quality, Q1 are each default pan unit interval systemic heat in database
Amount, Δ t1 are the duration that each default pan absorbs heat in database, and m0 is the total quality of current pan, and m2 ' is
The net quality of each default pan in database, Δ T1 are temperature of each the default pan in Δ t1 in database
Ascending amount；
The m2 ' corresponding to the immediate c1 of specific heat capacity c1 ' with pure water is obtained, and using the m2 ' as the net of current pan
Quality m2；
The quality of the water in current pan is calculated by below equation：
M1=m0-m2.
In embodiments of the present invention, gone out by the net Mass Calculation of each default pan in database pre- in database
If each pan net quality corresponding to pan in water specific heat capacity, and obtain it is immediate with the specific heat capacity of pure water
The specific heat capacity of the water in pan in database corresponding to the net quality of each default pan, then by corresponding to the specific heat capacity
Default pan net quality of the net quality as current pan, eventually through the matter for calculating the water obtained in current pan
Amount, will pass through the duration that the Mass Calculation of the water in current pan goes out current pan and dry pot occurs.
In embodiments of the present invention, in the quality for calculating the water in current pan, removed due to have ignored in current pan
The quality of other materials beyond water, it is therefore desirable to the quality of the water in current pan is corrected, specifically, the present embodiment
In also include step after the quality for calculating by below equation the water in current pan：
The quality of the water in current pan is corrected by below equation, and obtained in the current pan after correction
The quality of water：
M1 '=m1-A* (c1 '-c2)；Wherein, m1 ' is the quality of the water in the current pan after correction, and A is adjustment
Coefficient, c2 are the specific heat capacity of the water in current pan.
In embodiments of the present invention, by the updating formula of the quality of the water in current pan, to the water in current pan
Be corrected, and the quality of the water in the current pan after being corrected, so as to the current pan of Accurate Prediction occur dry pot when
Between, so as to further avoid current pan that dry pot occurs.
In addition, in embodiments of the present invention, it is necessary to which explanation, regulation coefficient A described in the present embodiment pass through a large amount of real
Test after summarizing, obtained by experience.
In embodiments of the present invention, in order to when there is new material to add in current pan, judge that the new material is in time
No is water, and the quality of the water to be upgraded in time when judging the new material for water in current pan, described in the present embodiment
Kitchen range prevent that the determination methods of dry pot also include step：
When the overall weight of current pan is more than default second weight threshold, judge there is new material to add in current pan
Enter；
Calculate the quality of the new material；
The specific heat capacity of the new material is calculated by following calculation formula：
C3=(Q* Δ t0-m0*c0* Δ T0)/(m3* Δ T0)；Wherein, c3 be the new material specific heat capacity, Q
For current pan unit interval systemic heat, Δ t0 is the duration that current pan absorbs heat, and c0 is the whole of current pan
Body specific heat capacity, Δ T0 are the ascending amount of temperature of the current pan in Δ t0, and m3 is the quality of the new material；
When the specific heat capacity of the new material is more than default second specific heat capacity threshold value, judge the new material for water；
When judging the new material for water, calculated by following calculation formula in the current pan after adding new material
The quality of water：
M4=m1+m3；Wherein, m4 be add new material after current pan in water quality.
In embodiments of the present invention, after judging to have new material addition in current pan, the specific heat of the new material is calculated
Hold, and judge whether the new material is water by the specific heat capacity of the new material, after judging the new material for water, renewal
The quality of the water added in the current pan after new material, so as to which the time that dry pot occurs for current pan is more accurately predicted,
So as to further avoid current pan that dry pot occurs.
In addition, in inventive embodiments, in order in the cooker racks for judging the kitchen range be after being placed with pan, just obtain in real time
The temperature of the firepower of kitchen range, the overall weight for the pan being placed on the kitchen range and the pan is taken, the step of the present embodiment
S11 is specially：
When the pressure for judging that the cooker racks is subject to is more than default pressure threshold, the firepower of kitchen range is obtained in real time, is placed in
The temperature of the overall weight of pan on the kitchen range and the pan.
In embodiments of the present invention, when the pressure for judging that the cooker racks is subject to is more than default pressure threshold, institute is confirmed
State after being placed with pan on the pan of kitchen range, just obtain firepower, the entirety weight for the pan being placed on the kitchen range of kitchen range in real time
The temperature of amount and the pan.
As shown in figure 3, in order to solve identical technical problem, the present invention also provides the controlling party that a kind of kitchen range prevent dry pot
Method, including step：
S21, prevent that the determination methods of dry pot carry out dry pot judgement to current pan based on kitchen range using above-mentioned；
S22, when judging that dry pot occurs for current pan, the kitchen range are controlled to reduce firepower until current pan is not done
Pot.
In embodiments of the present invention, judge that current pan occurs to do in the determination methods that dry pot is prevented using above-mentioned kitchen range
During pot, by controlling the kitchen range to reduce firepower until dry pot does not occur for current pan, to prevent from using the kitchen range in user
When carrying out culinary art unattended for a long time, the dry pot of current pan can not be handled in time, made so as to solve user
Existing potential safety hazard when carrying out unattended culinary art for a long time with the kitchen range.
In embodiments of the present invention, in order to when dry pot occurs for current pan, in time user be reminded to be handled, this
The kitchen range in embodiment prevent that the control method of dry pot also includes step：
When judging that dry pot occurs for current pan, the kitchen range are controlled to send dry pot alarm signal, and generate dry pot simultaneously
Record.
In embodiments of the present invention, the dry pot alarm signal can be the knot of alarm sound, alarm lamp or both
The modes such as conjunction, it need to only meet the dry pot processing that user can be reminded to carry out current pan in time.
In addition, in embodiments of the present invention, the dry pot record can be configured according to actual operation requirements, such as will be dry
Pot record is arranged to " this is cooked under how many gear firepower cook dry pot how long occurs ", so that user records according to dry pot
The firepower and duration of culinary art next time are adjusted.
As shown in figure 4, in order to solve identical technical problem, the present invention also provides the judgement dress that a kind of kitchen range prevent dry pot
Put, including：
Real-time acquisition module 11, the overall weight for the firepower of acquisition kitchen range, the pan being placed on the kitchen range in real time
And the temperature of the pan；
Pan entirety specific heat capacity computing module 12, for firepower, the pan according to the kitchen range got in real time
Overall weight and the pan temperature, calculate the overall specific heat capacity of the pan；
First judge module 13, for when the overall specific heat capacity of the pan is more than default first specific heat capacity threshold value,
Judge there is water in the pan；
Dry pot judge module 14, it is less than default for the decrement when the overall weight in the pan unit interval
One weight decrement threshold value, and the ascending amount of the bulk temperature in the pan unit interval rises more than default first temperature
When measuring threshold value, judge that dry pot occurs for the pan.
In embodiments of the present invention, by the firepower of the kitchen range that get in real time of acquisition module 11 in real time,
After the overall weight of the pan and the temperature of the pan, institute is calculated by the pan entirety specific heat capacity computing module 12
State the overall specific heat capacity of pan, and be more than default the in the overall specific heat capacity of the pan by first judge module 13
During one specific heat capacity threshold value, judge there is water in the pan；After judging to have water in the pan, pass through the dry pot judge module
The decrement of 14 overall weight within the pan unit interval is less than default first weight decrement threshold value, and the pot
When the ascending amount of bulk temperature in the tool unit interval is more than default first temperature rise threshold value, judge that the pan occurs
Dry pot.It is real by the combination of three dimensions of temperature of the firepower of the kitchen range, the overall weight of the pan and the pan
Now to the timely judgement of the dry pot of the pan, to avoid causing described due to that can not judge the pan that dry pot occurs in time
Kitchen range are inconvenient for use and potential safety hazard be present, so as to improve the convenience and security that user uses the kitchen range.
As shown in figure 5, in order to using get in real time the firepower of the kitchen range, the overall weight of the pan with
And the temperature of the pan accurately calculates the overall specific heat capacity of the pan, the pan entirety specific heat capacity meter in the present embodiment
Module 12 is calculated to specifically include：
Pan total quality computing unit 121, work as being calculated according to the overall weight of the pan got in real time
The total quality of preceding pan；
Pan absorbs heat Calculation unit 122, systemic for calculating the current pan unit interval by below equation
Heat：
Q=B*W*t；Wherein, Q is current pan unit interval systemic heat, and B is conversion efficiency, and W is the stove
Has the power output under current firepower, t is the unit time；
Pan entirety specific heat capacity computing unit 123, for calculating the overall specific heat of current pan by following calculation formula
Hold：
C0=Q* Δs t0/ (m0* Δ T0)；Wherein, c0 is the overall specific heat capacity of current pan, and Δ t0 inhales for current pan
The duration of heat is received, m0 is the total quality of current pan, and Δ T0 is the ascending amount of temperature of the current pan in Δ t0.
In embodiments of the present invention, the entirety of current pan is calculated by the pan total quality computing unit 121
Quality, and heat Calculation unit 122 is absorbed by the pan and calculates current pan unit interval systemic heat, finally
The overall specific heat capacity of current pan is calculated by the pan entirety specific heat capacity computing unit 123, to pass through current pan
Overall specific heat capacity judges whether there is water in current pan.
In addition, in embodiments of the present invention, it is necessary to illustrate, the conversion efficiency B in the present embodiment passes through a large amount of
After experiment is summarized, obtained by experience.
In embodiments of the present invention, in order to predicting that the time of dry pot, stove described in the present embodiment occur for current pan
Tool prevents that the judgment means of dry pot also include：
First water quality computing module, for calculating the quality of the water in current pan；
Mass lost amount computing module, for the overall weight according to the current pan got in real time, calculate current pot
Has the decrement of the total quality in the unit interval；
Dry pot duration calculation module, for before judging that dry pot occurs for current pan, being calculated by following calculation formula
The duration needed for water evaporating completely in current pan：
T1=m1/ Δs m；Wherein, t1 is the duration needed for the water evaporating completely in current pan, and m1 is in current pan
The quality of water, Δ m are the decrement of the total quality in the current pan unit interval.
In embodiments of the present invention, the quality of the water in current pan is calculated by the first water quality computing module
And Mass lost amount computing module calculates the decrement of the total quality in the current pan unit interval, and then by described
Dry pot duration calculation module calculates the duration that dry pot occurs for current pan, to allow user to predict when current pan is sent out in advance
Raw dry pot, consequently facilitating the time of the dry pot of current pan generation is adjusted by adjusting the firepower of the kitchen range by user, with
Further prevent current pan from dry pot occurs.
In addition, in embodiments of the present invention, it is necessary to explanation, when known to the net quality in current pan, described first
Water quality computing module can utilize the total quality of current pan to subtract the net quality of current pan and directly obtain current pan
The quality of interior water.
In embodiments of the present invention, when the net quality of current pan can not be known, then need each in polling data storehouse
The net quality of pan calculates the quality of the water in current pan, specifically, the first water quality gauge in the present embodiment
Module is calculated to specifically include：
Water specific heat capacity computing unit, for the net quality according to each default pan in database, using following meter
Calculate the specific heat capacity that formula calculates the water in the pan in database corresponding to the net quality of each default pan：
C1=Q1* Δs t1/ [(m0-m2 ') * Δs T1]；Wherein, c1 is the net of each default pan in database
The specific heat capacity of the water in pan corresponding to quality, Q1 are each default pan unit interval systemic heat in database
Amount, Δ t1 are the duration that each default pan absorbs heat in database, and m0 is the total quality of current pan, and m2 ' is
The net quality of each default pan in database, Δ T1 are temperature of each the default pan in Δ t1 in database
Ascending amount；
The net quality acquiring unit of current pan, for obtaining corresponding to the immediate c1 of specific heat capacity c1 ' with pure water
M2 ', and the net quality m2 using the m2 ' as current pan；
Water quality computing unit, for calculating the quality of the water in current pan by below equation：
M1=m0-m2.
In embodiments of the present invention, each default pot in database is calculated by the water specific heat capacity computing unit
The specific heat capacity of the water in pan corresponding to the net quality of tool, and obtained currently by the current net quality acquiring unit of pan
The net quality of pan, the quality for the water obtained in current pan is calculated eventually through the water quality computing unit, will pass through
The Mass Calculation of water in current pan goes out the duration that dry pot occurs for current pan.
In embodiments of the present invention, in the quality for calculating the water in current pan, removed due to have ignored in current pan
The quality of other materials beyond water, it is therefore desirable to the quality of the water in current pan is corrected, specifically, the present embodiment
In the kitchen range prevent that the judgment means of dry pot also include：
Water quality correction module, for being corrected by below equation to the quality of the water in current pan, and obtain
The quality of the water in current pan after correction：
M1 '=m1-A* (c1 '-c2)；Wherein, m1 ' is the quality of the water in the current pan after correction, and A is adjustment
Coefficient, c2 are the specific heat capacity of the water in current pan.
In embodiments of the present invention, the water in current pan is corrected by the water quality correction module, and obtained
The quality of the water in current pan after must correcting, so that the duration of dry pot occurs for the current pan of Accurate Prediction, so as to further
Avoid current pan that dry pot occurs.
In addition, in embodiments of the present invention, it is necessary to illustrate, the regulation coefficient A in the present embodiment passes through a large amount of
After experiment is summarized, obtained by experience.
In embodiments of the present invention, in order to when there is new material to add in current pan, judge that the new material is in time
No is water, and the quality of the water to be upgraded in time when judging the new material for water in current pan, described in the present embodiment
Kitchen range prevent that the judgment means of dry pot also include：
New material judge module, for when the overall weight of current pan is more than default second weight threshold, judging
There is new material addition in current pan；
New material Quality Calculation Module, for calculating the quality of the new material；
New material specific heat capacity computing module, the specific heat capacity of the new material is calculated by following calculation formula：
C3=(Q* Δ t0-m0*c0* Δ T0)/(m3* Δ T0)；Wherein, c3 be the new material specific heat capacity, Q
For current pan unit interval systemic heat, Δ t0 is the duration that current pan absorbs heat, and c0 is the whole of current pan
Body specific heat capacity, Δ T0 are the ascending amount of temperature of the current pan in Δ t0, and m3 is the quality of the new material；
Second judge module, for when the specific heat capacity of the new material is more than default second specific heat capacity threshold value, judging
The new material is water；
Second water quality computing module, for being calculated by following calculation formula in the current pan after adding new material
The quality of water：
M4=m1+m3；Wherein, m4 be add new material after current pan in water quality.
In embodiments of the present invention, judging there is new material addition in current pan by the new material judge module
Afterwards, the specific heat capacity of the new material is calculated by the new material specific heat capacity computing module, and judges mould by described second
Block judges whether the new material is water, after judging the new material for water, by the second water quality computing module more
The quality of the new water added in the current pan after new material, so as to further predict exactly current pan occur dry pot when
Between, so as to further avoid current pan that dry pot occurs.
In addition, in inventive embodiments, in order in the cooker racks for judging the kitchen range be after being placed with pan, just obtain in real time
Take the temperature of the firepower of kitchen range, the overall weight for the pan being placed on the kitchen range and the pan, the present embodiment it is real-time
Acquisition module 11 is specifically used for：
When the pressure for judging that the cooker racks is subject to is more than default pressure threshold, the firepower of kitchen range is obtained in real time, is placed in
The temperature of the overall weight of pan on the kitchen range and the pan.
In embodiments of the present invention, when the pressure for judging that the cooker racks is subject to is more than default pressure threshold, institute is confirmed
State after being placed with pan on the pan of kitchen range, the firepower of kitchen range is just obtained by the acquisition module 11 in real time in real time, is placed in institute
State the overall weight of the pan on kitchen range and the temperature of the pan.
As shown in fig. 6, in order to solve identical technical problem, the present invention also provides the control dress that a kind of kitchen range prevent dry pot
Put, including：
Using the above-mentioned judgment means 21 that dry pot is prevented based on kitchen range, for carrying out dry pot judgement to current pan；
Dry pot processing module 22, for when judging that dry pot occurs for current pan, controlling the kitchen range to reduce firepower until
Dry pot does not occur for current pan.
In embodiments of the present invention, judge that current pan occurs in the judgment means 21 that dry pot is prevented using above-mentioned kitchen range
During dry pot, the kitchen range are controlled to reduce firepower by the dry pot processing module 22 until dry pot does not occur for current pan, to prevent
Only when user carries out unattended culinary art for a long time using the kitchen range, can not in time to the dry pot of current pan at
Reason, the potential safety hazard present in culinary art unattended for a long time is being carried out using the kitchen range so as to solve user.
In embodiments of the present invention, in order to when dry pot occurs for current pan, in time user be reminded to be handled, this
The kitchen range in embodiment prevent that the control device of dry pot also includes：
Alarm module, for when judging that dry pot occurs for current pan, controlling the kitchen range to send dry pot alarm signal, and
Dry pot record is generated simultaneously.
In embodiments of the present invention, the dry pot alarm signal of the alarm module can be alarm sound, alarm lamp or
The modes such as both combinations, it need to only meet the dry pot processing that user can be reminded to carry out current pan in time.
In addition, in embodiments of the present invention, the dry pot record of the alarm module can be carried out according to actual operation requirements
Set, dry pot record is such as set into " this is cooked under how many gear firepower cook dry pot how long occurs ", so as to user's root
The firepower and duration of culinary art next time are adjusted according to dry pot record.
In order to solve identical technical problem, the present invention also provides a kind of kitchen range for having and preventing dry pot function, the kitchen range
Prevent the control device, pressure sensor and temperature sensor of dry pot including above-mentioned kitchen range, the pressure sensor and described
Temperature sensor is on the kitchen range.
The present invention provides determination methods and device, control method and device and the kitchen range that a kind of kitchen range prevent dry pot, and kitchen range are prevented
The determination methods of dry pot are according to the temperature computation pan of the firepower of the kitchen range got in real time, the overall weight of pan and pan
Overall specific heat capacity, and when the overall specific heat capacity of pan is more than default first specific heat capacity threshold value, judge there is water in pan；
Judge after having water in pan, when the decrement of the overall weight in the pan unit interval is less than default first weight decrement threshold
Value, and when the ascending amount of the bulk temperature in the pan unit interval is more than default first temperature rise threshold value, judge pan
The dry pot of generation.By the combination of three dimensions of temperature of the firepower of kitchen range, the overall weight of pan and pan, realize to pan
The timely judgement of dry pot, to avoid causing kitchen range inconvenient for use and exist to pacify due to that can not judge pan that dry pot occurs in time
Full hidden danger, so as to improve the convenience and security that user uses kitchen range.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and replacement can also be made, these improve and replaced
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of kitchen range prevent the determination methods of dry pot, it is characterised in that including step：
Firepower, the overall weight for the pan being placed on the kitchen range and the temperature of the pan of kitchen range are obtained in real time；
According to the temperature of the firepower of the kitchen range got in real time, the overall weight of the pan and the pan, calculate
The overall specific heat capacity of the pan；
When the overall specific heat capacity of the pan is more than default first specific heat capacity threshold value, judge there is water in the pan；
When the decrement of the overall weight in the pan unit interval is less than default first weight decrement threshold value, and it is described
When the ascending amount of bulk temperature in the pan unit interval is more than default first temperature rise threshold value, the pan hair is judged
Raw dry pot.
2. kitchen range as claimed in claim 1 prevent the determination methods of dry pot, it is characterised in that the institute that the basis is got in real time
The temperature of the firepower of kitchen range, the overall weight of the pan and the pan is stated, calculates the overall specific heat container of the pan
Body includes step：
The total quality of current pan is calculated according to the overall weight of the pan got in real time；
Current pan unit interval systemic heat is calculated by below equation：
Q=B*W*t；Wherein, Q is current pan unit interval systemic heat, and B is conversion efficiency, and W is that the kitchen range exist
Power output under current firepower, t is the unit time；
The overall specific heat capacity of current pan is calculated by following calculation formula：
C0=Q* Δs t0/ (m0* Δ T0)；Wherein, c0 is the overall specific heat capacity of current pan, and Δ t0 is that current pan absorbs heat
The duration of amount, m0 are the total quality of current pan, and Δ T0 is the ascending amount of temperature of the current pan in Δ t0.
3. kitchen range as claimed in claim 1 or 2 prevent the determination methods of dry pot, it is characterised in that the kitchen range prevent sentencing for dry pot
Disconnected method also includes step：
Calculate the quality of the water in current pan；
According to the overall weight of the current pan got in real time, the reduction of the total quality in the current pan unit interval is calculated
Amount；
Before judging that dry pot occurs for current pan, calculated by following calculation formula needed for the water evaporating completely in current pan
Duration：
T1=m1/ Δs m；Wherein, t1 is the duration needed for the water evaporating completely in current pan, and m1 is the water in current pan
Quality, Δ m are the decrement of the total quality in the current pan unit interval.
4. kitchen range as claimed in claim 3 prevent the determination methods of dry pot, it is characterised in that the water calculated in current pan
Quality specifically include step：
According to the net quality of each default pan in database, calculated using following calculation formula default every in database
The specific heat capacity of the water in pan corresponding to the net quality of one pan：
C1=Q1* Δs t1/ [(m0-m2 ') * Δs T1]；Wherein, c1 is the net quality of each default pan in database
The specific heat capacity of water in corresponding pan, Q1 are each default pan unit interval systemic heat in database,
Δ t1 is the duration that each default pan absorbs heat in database, and m0 is the total quality of current pan, and m2 ' is data
The net quality of each default pan in storehouse, Δ T0 are the upper of temperature of each the default pan in Δ t0 in database
Rising amount；
Obtain the m2 ' corresponding to the immediate c1 of specific heat capacity c1 ' with pure water, and the net quality using the m2 ' as current pan
m2；
The quality of the water in current pan is calculated by below equation：
M1=m0-m2.
5. kitchen range as claimed in claim 4 prevent the determination methods of dry pot, it is characterised in that are calculated described by below equation
Also include step after the quality of water in current pan：
The quality of the water in current pan is corrected by below equation, and obtains the water in the current pan after correction
Quality：
M1 '=m1-A* (c1 '-c2)；Wherein, m1 ' is the quality of the water in the current pan after correction, and A is regulation coefficient,
C2 is the specific heat capacity of the water in current pan.
6. kitchen range as claimed in claim 4 prevent the determination methods of dry pot, it is characterised in that the kitchen range prevent the judgement side of dry pot
Method also includes step：
When the overall weight of current pan is more than default second weight threshold, judge there is new material addition in current pan；
Calculate the quality of the new material；
The specific heat capacity of the new material is calculated by following calculation formula：
C3=(Q* Δ t0-m0*c0* Δ T0)/(m3* Δ T0)；Wherein, c3 is the specific heat capacity of the new material, and Q is to work as
Preceding pan unit interval systemic heat, Δ t0 are the duration that current pan absorbs heat, and c0 is the overall ratio of current pan
Thermal capacitance, Δ T0 are the ascending amount of temperature of the current pan in Δ t0, and m3 is the quality of the new material；
When the specific heat capacity of the new material is more than default second specific heat capacity threshold value, judge the new material for water；
When judging the new material for water, pass through the water in the current pan after following calculation formula calculating addition new material
Quality：
M4=m1+m3；Wherein, m4 be add new material after current pan in water quality.
7. a kind of kitchen range prevent the control method of dry pot, it is characterised in that including step：
Prevent that the determination methods of dry pot carry out dry pot to current pan based on kitchen range using as described in claim any one of 1-6
Judge；
When judging that dry pot occurs for current pan, the kitchen range are controlled to reduce firepower until dry pot does not occur for current pan.
8. a kind of kitchen range prevent the judgment means of dry pot, it is characterised in that including：
Real-time acquisition module, for obtaining the firepower of kitchen range, the overall weight for the pan being placed on the kitchen range and institute in real time
State the temperature of pan；
Pan entirety specific heat capacity computing module, for the firepower according to the kitchen range got in real time, the entirety of the pan
The temperature of weight and the pan, calculate the overall specific heat capacity of the pan；
First judge module, for when the overall specific heat capacity of the pan is more than default first specific heat capacity threshold value, judging institute
Stating has water in pan；
Dry pot judge module, it is less than default first weight for the decrement when the overall weight in the pan unit interval
Decrement threshold value, and the ascending amount of the bulk temperature in the pan unit interval is more than default first temperature rise threshold value
When, judge that dry pot occurs for the pan.
9. a kind of kitchen range prevent the control device of dry pot, it is characterised in that including：
Using the judgment means for preventing dry pot based on kitchen range as claimed in claim 8, for carrying out dry pot judgement to current pan；
Dry pot processing module, for when judging that dry pot occurs for current pan, controlling the kitchen range to reduce firepower until current pot
Dry pot does not occur for tool.
10. a kind of have the kitchen range for preventing dry pot function, it is characterised in that the kitchen range include kitchen range as claimed in claim 9
Prevent control device, pressure sensor and the temperature sensor of dry pot, the pressure sensor and the temperature sensor are located at
On the kitchen range.
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| CN201710555406.XA CN107461767B (en) | 2017-07-07 | 2017-07-07 | Kitchen range prevent judgment method and device, control method and device and the kitchen range of dry pot |
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| CN201710555406.XA CN107461767B (en) | 2017-07-07 | 2017-07-07 | Kitchen range prevent judgment method and device, control method and device and the kitchen range of dry pot |
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| CN108758712A (en) * | 2018-05-29 | 2018-11-06 | 青岛海尔智能技术研发有限公司 | Anti-dry kitchen range and its control method |
| CN109798553A (en) * | 2018-12-30 | 2019-05-24 | 佛山市顺德区美的洗涤电器制造有限公司 | A kind of kitchen range and its anti-dry control method, apparatus, equipment and storage medium |
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| CN109798553A (en) * | 2018-12-30 | 2019-05-24 | 佛山市顺德区美的洗涤电器制造有限公司 | A kind of kitchen range and its anti-dry control method, apparatus, equipment and storage medium |
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| CN107461767B (en) | 2019-01-29 |
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