CN109237544A - The control method and anti-dry system of anti-dry - Google Patents

The control method and anti-dry system of anti-dry Download PDF

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Publication number
CN109237544A
CN109237544A CN201811028212.5A CN201811028212A CN109237544A CN 109237544 A CN109237544 A CN 109237544A CN 201811028212 A CN201811028212 A CN 201811028212A CN 109237544 A CN109237544 A CN 109237544A
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CN
China
Prior art keywords
kitchen range
temperature
cookware
dry
time
Prior art date
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Granted
Application number
CN201811028212.5A
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Chinese (zh)
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CN109237544B (en
Inventor
韩杰
李孟彬
季俊生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Application filed by Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd filed Critical Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority to CN201811028212.5A priority Critical patent/CN109237544B/en
Publication of CN109237544A publication Critical patent/CN109237544A/en
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Publication of CN109237544B publication Critical patent/CN109237544B/en
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Classifications

    • 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

Abstract

The invention discloses a kind of control methods of anti-dry and anti-dry system.The control method of anti-dry is comprising steps of acquire the temperature of cookware；Determine whether kitchen range have been in water cooking status according to the temperature of cookware；Determine kitchen range be in have water cooking status when, start timing；When the duration of timing is greater than the time of fire alarming threshold value of kitchen range and the temperature of cookware is not more than the anti-dry temperature threshold of kitchen range, kitchen range alert is controlled；When the temperature of cookware is greater than the anti-dry temperature threshold of kitchen range, control kitchen range are closed.In the control method of anti-dry of the invention, start timing when the cooking status for determining kitchen range, which is, water cooking status, so, kitchen range alert is controlled by way of timing, in this way kitchen range before dry combustion method occurs or just dry combustion method takes place when notify user to pay attention to the culinary art situation of kitchen range in time, and the control precision that the burning prevention function of kitchen range can be improved prevents anti-dry erroneous judgement.

Description

The control method and anti-dry system of anti-dry
Technical field
The present invention relates to cooking apparatus technical fields, more specifically, are related to a kind of control method of anti-dry and prevent dry Burning system.
Background technique
In the related art, the burning prevention function being arranged in household cooker can reach anti-dry temperature in the temperature of cookware Kitchen range are automatically closed when threshold value.It is existing since the time that different cooking status and cookware under firepower reach anti-dry state is different Anti-dry control method uses same anti-dry temperature threshold, and the temperature of cookware is higher than the anti-dry temperature threshold and judges dry combustion method Occur.It is easy to appear anti-dry erroneous judgement in this way.Meanwhile it cannot lead in time before dry combustion method occurs for kitchen range or when just beginning dry combustion method Know that user closes kitchen range and may have occurred and that dry combustion method in pot when the temperature of cookware reaches anti-dry temperature threshold and continue one It fixes time, be easy to cause food in pot to be carbonized in this way, cookware is difficult to situations such as cleaning, and user experience is poor.Therefore, how to be arranged Suitable time of fire alarming point and anti-dry temperature value become urgent problem to be solved.
Summary of the invention
Embodiment of the present invention provides the control method and anti-dry system of a kind of anti-dry.
The control method of the anti-dry of embodiment of the present invention is used for kitchen range.The control method of anti-dry includes:
Acquire the temperature of cookware；
Determine whether the kitchen range have been in water cooking status according to the temperature of the cookware；
When determining that the kitchen range have water cooking status described in, start timing；
When the duration of the timing is greater than the time of fire alarming threshold value of the kitchen range and the temperature of the cookware no more than described When the anti-dry temperature threshold of kitchen range, the kitchen range alert is controlled；
When the temperature of the cookware is greater than the anti-dry temperature threshold of the kitchen range, controls the kitchen range and close.
It is to have water cooking status in the cooking status for determining kitchen range in the control method of the anti-dry of embodiment of the present invention When start timing, in this way, control kitchen range alert by way of timing, such kitchen range are before occurring dry combustion method or just It notifies user to pay attention to the culinary art situation of kitchen range when dry combustion method takes place in time, and the control of the burning prevention function of kitchen range can be improved Precision processed prevents anti-dry erroneous judgement.
In some embodiments, the control method includes:
The current firepower of the kitchen range is acquired, and corresponding first anti-dry temperature is obtained according to the current firepower of the kitchen range Angle value and the first alarm time value, and by the first anti-dry temperature value be set as the kitchen range anti-dry temperature threshold and Set first alarm time value to the time of fire alarming threshold value of the kitchen range, the firepower of the kitchen range is anti-with the kitchen range Dry combustion method temperature threshold is positively correlated, and the time of fire alarming threshold value of the firepower of the kitchen range and the kitchen range is negatively correlated.
In some embodiments, determine whether the kitchen range have been in water cooking status according to the temperature of the cookware, Include:
Judge that the cookware whether there is boiling section according to the temperature of the cookware,
If so, determining that the kitchen range are in described and have water cooking status；
If it is not, determining that the kitchen range are in anhydrous cooking status.
In some embodiments, boiling section is judged whether there is according to the temperature of the cookware, comprising:
Judge whether the quantity of the temperature of the collected cookware is greater than preset quantity；
If so, the change rate of the temperature of the cookware in preset duration is calculated, when the change rate of the temperature is less than or waits When preset value, determine the cookware there are the boiling section and using the Current Temperatures of the cookware as the cookware of the cookware Boiling temperature；
When the change rate of the temperature is greater than the preset value, determining the cookware, there is no the boiling sections.
In some embodiments, the change rate of the temperature of the cookware includes following at least one in the preset duration Kind:
The difference of the average value of the temperature of cookware in the temperature of the cookware and the preset duration in the preset duration The sum of absolute value；
Slope of the temperature of the cookware to the time in the preset duration；
The variance of the temperature of the cookware in the preset duration；
The standard deviation of the temperature of the cookware in the preset duration.
In some embodiments, the control method includes: the root when the kitchen range have water cooking status described in The thermal conductivity that the cookware is obtained according to the temperature of the cookware acquires the current firepower of the kitchen range and working as according to the kitchen range The thermal conductivity of preceding firepower and the cookware obtains the anti-dry temperature threshold of the corresponding time of fire alarming threshold value and the kitchen range.
In some embodiments, corresponding institute is obtained according to the thermal conductivity of the current firepower of the kitchen range and the cookware State the anti-dry temperature threshold of time of fire alarming threshold value and the kitchen range, comprising:
Judge whether the cookware boiling temperature of the cookware is less than or equal to and preset thermally conductive temperature,
If so, obtaining the second anti-dry temperature value and the according to the thermal conductivity of the current firepower of the kitchen range and the cookware Two alarm time values, and by the second anti-dry temperature value set the anti-dry temperature threshold of the kitchen range and by described Two alarm time values are set as the time of fire alarming threshold value of the kitchen range.
If it is not, obtaining third anti-dry temperature value and the according to the thermal conductivity of the current firepower of the kitchen range and the cookware Three alarm time values, and by the third anti-dry temperature value set the anti-dry temperature threshold of the kitchen range and by described Three alarm time values are set as the time of fire alarming threshold value of the kitchen range；
The third anti-dry temperature value is greater than the second anti-dry temperature value, and the third alarm time value is greater than institute State the second alarm time value.
In some embodiments, the control method includes:
Determine the kitchen range be in anhydrous cooking status and when the cookware temperature be greater than the kitchen range anti-dry When threshold value, controls the kitchen range and close.
In some embodiments, the time of fire alarming threshold value includes different multiple time of fire alarming threshold values, the multiple Time of fire alarming threshold value limits multiple alarm ranges, and the warning message includes multiple warning messages, each alarm range A corresponding warning message, controls the kitchen range alert, comprising:
The alarm range according to locating for the duration of the timing controls the kitchen range and issues and the alarm range pair The warning message answered.
In some embodiments, the control method includes:
Receive alarm command for stopping；
According to the alarm command for stopping, controls the kitchen range and stop issuing the warning message.
Embodiment of the present invention also provides a kind of anti-dry system, and the anti-dry system includes control device and kitchen range, The step of control device connects the kitchen range, and the control device is used for the control method of any of the above-described embodiment.
In the anti-dry system of embodiment of the present invention, start when the cooking status for determining kitchen range, which is, water cooking status Timing, in this way, controlling kitchen range alert by way of timing, such kitchen range start to send out before dry combustion method occurs or just It notifies that user pays attention to the culinary art situation of kitchen range in time when raw dry combustion method, and the control essence of the burning prevention function of kitchen range can be improved Degree prevents anti-dry erroneous judgement.
The additional aspect and advantage of embodiments of the present invention will be set forth in part in the description, partially will be from following Description in become obvious, or the practice of embodiment through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention is from combining in description of the following accompanying drawings to embodiment by change It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the flow chart of the control method of the anti-dry of embodiment of the present invention.
Schematic diagram of a scenario when Fig. 2 is the anti-dry system application of embodiment of the present invention.
Fig. 3 is the module diagram of the anti-dry system of embodiment of the present invention.
Fig. 4 is another flow chart of the control method of the anti-dry of embodiment of the present invention.
Fig. 5 is the temperature time history plot of cookware cookware when there is water cooking status.
Fig. 6 is the temperature time history plot of cookware cookware in anhydrous cooking status.
Fig. 7 is the another flow chart of the control method of the anti-dry of embodiment of the present invention.
Fig. 8 is another flow chart of the control method of the anti-dry of embodiment of the present invention.
Fig. 9 is another flow chart of the control method of the anti-dry of embodiment of the present invention.
Figure 10 is another flow chart of the control method of the anti-dry of embodiment of the present invention.
Figure 11 is another flow chart of the control method of the anti-dry of embodiment of the present invention.
Figure 12 is another flow chart of the control method of the anti-dry of embodiment of the present invention.
Figure 13 is another flow chart of the control method of the anti-dry of embodiment of the present invention.
Figure 14 is another flow chart of the control method of the anti-dry of embodiment of the present invention.
Main element symbol description:
Anti-dry system 100, kitchen range 20, cookware 30, temperature sensor 40, control device 50, firepower detection sensor 60.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical or class As label indicate same or similar element or element with the same or similar functions from beginning to end.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of embodiments of the present invention, term " first ", " second " are used for description purposes only, and cannot understand For indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include one or more feature.In embodiments of the present invention In description, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of embodiments of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；Can be directly connected, can also indirectly connected through an intermediary, can be connection inside two elements or The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned The concrete meaning of term in embodiments of the present invention.
In embodiments of the present invention unless specifically defined or limited otherwise, fisrt feature second feature it "upper" or "lower" may include that the first and second features directly contact, may include the first and second features be not directly to connect yet It touches but by the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " on Face " includes fisrt feature right above second feature and oblique upper, or to be merely representative of first feature horizontal height special higher than second Sign.Fisrt feature include under the second feature " below ", " below " and " below " fisrt feature immediately below second feature and obliquely downward Side, or first feature horizontal height is merely representative of less than second feature.
Following disclosure provides many different embodiments or example is used to realize embodiments of the present invention not Same structure.In order to simplify the disclosure of embodiments of the present invention, hereinafter the component of specific examples and setting are described.When So, they are merely examples, and is not intended to limit the present invention.In addition, embodiments of the present invention can be in different examples Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for By the relationship between various embodiments and/or setting.In addition, the various specific techniques that embodiments of the present invention provide With the example of material, but those of ordinary skill in the art may be aware that the application of other techniques and/or other materials make With.
Also referring to Fig. 1 to Fig. 3, the control method of the anti-dry of embodiment of the present invention is used for kitchen range 20.Anti-dry Control method include:
Step S10 acquires the temperature of cookware 30；
Whether step S20 determines kitchen range 20 in there is water cooking status according to the temperature of cookware 30；
Step S30, determine kitchen range 20 be in have water cooking status when, start timing；
Step S32, judges whether the duration of timing is greater than the time of fire alarming threshold value of kitchen range 20；
Step S40, when the temperature that the duration of timing is greater than the time of fire alarming threshold value of kitchen range 20 and cookware 30 is not more than kitchen range When 20 anti-dry temperature threshold, 20 alert of kitchen range is controlled；
Step S50, judges whether the temperature of cookware 30 is greater than the anti-dry temperature threshold of kitchen range 20；
Step S52, when the temperature of cookware 30 is greater than the anti-dry temperature threshold of kitchen range 20, control kitchen range 20 are closed.
The anti-dry system 100 of embodiment of the present invention includes kitchen range 20 and control device 50, and control device 50 connects stove Tool 20.As an example, the control method of the anti-dry of embodiment of the present invention can be by the anti-dry system of embodiment of the present invention System 100 is realized, and is applied to kitchen range 20.
Wherein, step S10, step S20, the step S30, step of the control method of the anti-dry of embodiment of the present invention S32, step S40, step S42, step S50, step S60 and step S62 can be realized by control device 50.That is, control Device 50 processed is used to acquire the temperature of cookware 30；Determine kitchen range 20 whether in there is water cooking status according to the temperature of cookware 30； Determine kitchen range 20 be in have water cooking status when, start timing；When judging whether the duration of timing is greater than the alarm of kitchen range 20 Between threshold value, when timing duration be greater than kitchen range 20 time of fire alarming threshold value and cookware 30 temperature be not more than kitchen range 20 anti-dry When temperature threshold, 20 alert of kitchen range is controlled；Judge whether the temperature of cookware 30 is greater than the anti-dry temperature of kitchen range 20 Threshold value；When the temperature of cookware 30 is greater than the anti-dry temperature threshold of kitchen range 20, control kitchen range 20 are closed.
It is to there is water to cook shape in the cooking status for determining kitchen range 20 in the control method of the anti-dry of embodiment of the present invention Start timing when state, in this way, controlling 20 alert of kitchen range by way of timing, such kitchen range 20 are before occurring dry combustion method Or notify that user pays attention to the culinary art situation of kitchen range 20 when dry combustion method just takes place in time, and the anti-dry of kitchen range 20 can be improved The control precision for burning function prevents anti-dry erroneous judgement.
Referring to Fig. 3, the temperature of cookware 30 can be measured by temperature sensor 40.In one embodiment, temperature sensor 40 may be provided on kitchen range 20, such as temperature sensor 40 is the anti-dry temp probe of kitchen range 20.Anti-dry temp probe can It is arranged in the burner of kitchen range 20.The temperature of collected cookware 30 can be understood as 40 (such as anti-dry of temperature sensor Temp probe) temperature data that is exported, and cookware 30 whether is placed on kitchen range 20 without positive connection.When cookware 30 is placed When on kitchen range 20, cookware 30 is abutted with anti-dry temp probe elasticity, so that anti-dry temp probe obtains more accurate pot The temperature of tool 30.
In another embodiment, the temperature of cookware 30 is detected by the temperature sensor 40 of cookware 30 is arranged in.Temperature Spending sensor 40 can be wireless and passive temperature sensor.Wireless and passive temperature sensor is not required to power supply power supply, and can pass through nothing Line mode sends collected temperature data.
In yet another embodiment, temperature sensor 40 can be other temperature sensors, and temperature sensor may be provided at In the interlayer of the bottom of pot body of cookware 30, the temperature of the collected cookware 30 of temperature sensor can be by being arranged in 30 handle of cookware Temperature signal transmitting unit be sent to control device 50.
Referring to Fig. 4, in some embodiments, step S20 includes:
Step S22 judges that cookware 30 whether there is boiling section according to the temperature of cookware 30,
If so, step S24, determine that kitchen range 20 are in and have water cooking status；
If it is not, step S26, determines that kitchen range 20 are in anhydrous cooking status.
Above-mentioned control method can be realized by the anti-dry system 100 of embodiment of the present invention.Wherein, the present invention is implemented Step S22, step S24 and the step S26 of the control method of the anti-dry of mode can be realized by control device 50.Namely It says, control device 50 is used to judge according to the temperature of cookware 30 cookware 30 with the presence or absence of boiling section, if so, determining the stove Tool 20 has water cooking status in described；If it is not, determining that the kitchen range 20 are in the anhydrous cooking status.
Specifically, the boiling section of cookware 30 can be regarded as cookware 30 when cookware 30 is in the boiling stage for having water cooking status Temperature section achieved.It should be noted that the temperature of water can maintain one in cookware 30 when the water boiling in cookware 30 Stable temperature section, at this point, the temperature of the outer surface of cookware 30 can also maintain one when heat transmission to the outer surface of cookware 30 A stable temperature section.The fluctuation range of the temperature of 30 outer surface of cookware within a predetermined range when it can be appreciated that in boiling Section.
Normally, having water culinary art can be the rate of temperature change such as to stew, boil, stewing, steaming and change lesser to have water cooking method.It is anhydrous Culinary art includes the anhydrous cooking method rate of temperature change such as decocting, fry, is fried and changing greatly.There is water cooking status when kitchen range 20 are in When, incorporated by reference to Fig. 5, through inventor the study found that the temperature time curve 1 and 2 of cookware 30 has typical three sections of characteristic distributions, Temperature time curve 1 and temperature time curve 2 are respectively the temperature curve of the temperature and time of cookware 30: first segment: kitchen range 20 When beginning to warm up, the temperature of cookware 30 is gradually increasing；Second segment: when moisture boils in cookware 30, at the temperature of cookware 30 In constant or approximately constant state, that is to say, that there are boiling sections for cookware 30 at this time；Third section: when moisture dryouies in cookware 30 When, the temperature of cookware 30 rises again.Wherein, the cookware 30 good for thermal conductivity, such as metal pan 30, pot when water boiling in pot Bottom hull-skin temperature is lower, such as 110 DEG C -130 DEG C, as shown in temperature time curve 1；For the cookware 30 of poor thermal conductivity, such as Casserole, outer surface of pot bottom temperature is higher when water boiling in pot.Such as 140 DEG C -180 DEG C, as shown in temperature time curve 2.Work as stove Tool 20 be in anhydrous cooking status when, temperature time curve 3 be cookware 30 temperature and time temperature curve as shown in fig. 6, The temperature curve 3 of the temperature and time of its cookware 30 fluctuates larger, no evident regularity, that is to say, that under anhydrous cooking status, In general boiling section is not present in cookware 30.
Referring to Fig. 7, in some embodiments, step S22 includes:
Step S522, judges whether the temperature amount of collected cookware 30 is greater than preset quantity；
If so, step S524, calculates the change rate of the temperature of cookware 30 in preset duration；
Step S525, judges whether the change rate of the temperature of cookware 30 in preset duration is less than or equal to preset value, if so, Step S526 determines cookware 30 there are boiling section and using the Current Temperatures of cookware 30 as the cookware boiling temperature of cookware 30；If No, step S528, determining cookware 30, there is no boiling sections.
The control method of present embodiment can be realized by the anti-dry system 100 of embodiment of the present invention, wherein this hair Step S522, step S524, step S525, step S526 and the step S528 of the control method of the anti-dry of bright embodiment can To be realized by control device 50.That is, control device 50 is for judging whether the temperature amount of collected cookware 30 is big In preset quantity；If so, calculating the change rate of the temperature of cookware 30 in preset duration；Judge the temperature of cookware 30 in preset duration Change rate whether be less than or equal to preset value, if so, determine cookware 30 there are boiling section and by the Current Temperatures of cookware 30 make For the cookware boiling temperature of cookware 30；If it is not, determining that cookware boiling temperature is not present in cookware 30.
The control method of above embodiment determines pot by calculating the change rate of the temperature of cookware 30 in preset duration Tool 30 whether there is boiling section, in this way, can accurately and quickly determine the cooking status of kitchen range 20 and obtain the pot of cookware 30 Has boiling temperature.
It should be noted that the change rate of the temperature of cookware 30 can be by following in preset duration in present embodiment One embodiment obtains.
In preset duration in the temperature and preset duration of cookware 30 average value of the temperature of cookware 30 absolute value of the difference it With；
Slope of the temperature of cookware 30 to the time in preset duration；
The variance of the temperature of cookware 30 in preset duration；
The standard deviation of the temperature of cookware 30 in preset duration.
Specifically, the change rate of the temperature of cookware 30 can be by pot in preset duration in the preset duration in present embodiment The sum of absolute value of the difference of average value of temperature of cookware 30 obtains in the temperature and preset duration of tool 30.In one embodiment In, as the temperature T of collected cookware 30kWhen quantity is greater than pre-set value N (k > N), T is calculatedk-NTo TkSection in N+1 The temperature averages and cookware of cookware 30 in preset duration are calculated in the average value Tmean of the data of the temperature of a cookware 30 The sum of the absolute value of the difference of 30 single temperature Ti can indicate are as follows: SUB=∑ | Ti-Tmean | (i=k-N to k), SUB are greatly then Indicate that temperature change is big.When SUB is less than or equal to preset value, then it represents that the temperature change of cookware 30 is small, it is believed that pot Tool 30, which is in stew, boil, stewing, steaming etc., water cooking status and moisture boiling, and kitchen range 20, which are in, water cooking status, by pot at this time The current temperature data T of tool 30kAs cookware boiling temperature Tb.It should be pointed out that working as the Current Temperatures T of cookware 30kAs Cookware boiling temperature Tb, that is to say, that Tb=Tk, hereafter, if there is SUB greater than preset value, also think that cookware 30 is to be in have water Cooking status.
It should be noted that preset duration may be configured as different value, correspondingly can according to the actual situation, preset value it is big Small correspond to is adjusted to preset value corresponding to the time span with preset duration, and this is not restricted.In one example, Preset duration can be 2 minutes, and every the temperature data of one cookware 30 of acquisition in two seconds, the value of N can be 60, and preset value can be 10, If k is 80, Tk-NTo TkSection in N+1 cookware 30 temperature data it is to be understood that in 2 minutes, T20 to T80 The temperature data of 61 cookwares 30 altogether.It is appreciated that the specific value that these specific values and following implementation are lifted is only It is to illustrate implementation of the invention as an example, should not be construed as limiting the invention.Due to the temperature data of cookware 30 It is to be obtained every a duration, therefore, when getting the temperature data of a certain number of cookwares 30, correspondingly has one The duration of the temperature data of a cookware 30 for getting these quantity.That is, the specific value of preset duration can with it is required The temperature amount for the cookware 30 wanted is associated.
Specifically, the change rate of the temperature of cookware 30 can be by pot in preset duration in the preset duration in present embodiment The temperature of tool 30 realizes the slope of time.In one embodiment, as the temperature T of collected cookware 30kQuantity is greater than When pre-set value N (k > N), in the T of preset durationk-NTo TkSection in, obtain linear fit Tk-NTo TkIt changes over time Cookware 30 temperature to the slope of time, i.e. fitting obtains y=ax+b, if a is less than or equal to default slope, determines Cookware 30, which is in stew, boil, stewing, steaming etc., has water cooking status and moisture boils, and kitchen range 20, will at this time in there is water cooking status Temperature data TkAs cookware boiling temperature Tb.It should be pointed out that working as the Current Temperatures T of cookware 30kIt boils as cookware warm Spend Tb, that is to say, that Tb=Tk, hereafter, if a occur is greater than default slope, also think that cookware 30 is to be in have water cooking status.
Specifically, the change rate of the temperature of cookware 30 can be by pot in preset duration in the preset duration in present embodiment Has the variance of 30 temperature to realize.In one embodiment, as the temperature data T of acquisitionkWhen quantity is greater than pre-set value N (i.e. k > N) calculates the T in preset durationk-NTo TkSection in N+1 temperature data variance (VA), VA then indicates greatly cookware 30 temperature change is big.When VA be less than or equal to preset value when (temperature change of cookware 30 is small), i.e., cookware 30 be in stew, Boiling, stew, steaming etc. has water cooking status and moisture boils, by temperature data T at this timekAs cookware boiling temperature Tb.It may be noted that , when by the Current Temperatures T of cookware 30kAs cookware boiling temperature Tb, that is to say, that Tb=Tk, hereafter, if it is big VA occur In preset value, also think that cookware 30 is to be in have water cooking status.
Specifically, the change rate of the temperature of cookware 30 can be by pot in preset duration in the preset duration in present embodiment Has the standard deviation of 30 temperature to realize.In one embodiment, as the temperature data T of acquisitionkWhen quantity is greater than pre-set value N (i.e. k > N) calculates the T in preset durationk-NTo TkSection in N+1 temperature data standard deviation (STD), STD then indicates greatly The temperature change of cookware 30 is big.When STD is less than or equal to preset value (temperature change of cookware 30 is small), i.e., cookware 30 is in Stewing, boil, stewing, steaming etc. has water cooking status and moisture boils, by temperature data T at this timekAs cookware boiling temperature Tb.It needs , it is noted that working as the Current Temperatures T of cookware 30kAs cookware boiling temperature Tb, that is to say, that Tb=Tk, hereafter, if occurring STD is greater than preset value, also thinks that cookware 30 is to be in have water cooking status.
It should be noted that when determine kitchen range 20 be in have water cooking status when, then show to have determined cookware 30 at this time Cookware boiling temperature, that is to say, that using the Current Temperatures of cookware 30 as being begun to when the cookware boiling temperature of cookware 30 Timing.When the duration of timing is greater than the time of fire alarming threshold value of kitchen range 20 and the temperature of cookware 30 is not more than the anti-dry of kitchen range 20 When temperature threshold, 20 alert of kitchen range is controlled.
Then illustrate that the state of cookware 30 at this time may be when the duration of timing is greater than the time of fire alarming threshold value of kitchen range 20 Close to dry-fire condition, control 20 alert of kitchen range at this moment then can notify user to pay attention to the culinary art feelings of kitchen range 20 in time Condition.It should be pointed out that no matter whether the duration of timing is greater than time of fire alarming threshold value, as long as the temperature of cookware 30 is greater than kitchen range 20 Anti-dry temperature threshold when control kitchen range 20 close.
And in embodiment of the present invention, the control closing of kitchen range 20 is primarily referred to as control kitchen range 20 and stops heating, for example, for When kitchen range 20 are electromagnetic stoves, the electric current of coil is cut off, when being gas-cooker for kitchen range 20, control device 50 can be sent out to solenoid valve Out code is sent, the gas supply of kitchen range 20 is cut off, so that the burner of kitchen range 20 is flame-out.It should be noted that in one embodiment In, control kitchen range 20 stop alert while controlling kitchen range 20 and closing.In another embodiment, in control stove Tool 20 continues to control 20 alert of kitchen range after closing, and warning message can be the voice that prompt kitchen range 20 be turned off, Certainly, warning message can also show as other modes, and this is not restricted.
It should be noted that the partial function or repertoire of the control device 50 of embodiment of the present invention can be by kitchen range 20 The controller or processor or control panel or computer board of itself come realize or control device 50 be fabricated to individually include control Device, processor, control panel or computer board control box or controlling terminal, be mounted on other positions on kitchen range 20 or outside kitchen range 20 It sets.That is, anti-dry system 100 can be realized by the kitchen range 20 with control device 50.Therefore, anti-dry of the invention The protection scope of system 100 also includes the kitchen range 20 with 50 function of control device.
In some embodiments, control method includes:
When the firepower for detecting kitchen range 20 is conditioned and/or cookware 30 is in from pot state, the duration of timing is removed, or The duration of a part of timing is removed, or extends time of fire alarming threshold value.
The control method of above-mentioned anti-dry can be realized by the anti-dry system 100 of embodiment of the present invention.Above-mentioned control Method can be realized by control device 50.That is, control device 50 be used for when detect the firepower of kitchen range 20 be conditioned and/ Or cookware 30 removes the duration of timing, or remove the duration of a part of timing, or extend time of fire alarming threshold when being in from pot state Value.
It should be noted that in one embodiment, when the firepower for detecting kitchen range 20 is conditioned, remove timing when It is long.In another embodiment, when the firepower for detecting kitchen range 20 is conditioned, the duration of a part of timing is removed.Another In a embodiment, when the firepower for detecting kitchen range 20 is conditioned, extend time of fire alarming threshold value.In a further embodiment, when When detecting that cookware 30 is in from pot state, the duration of timing is removed.In a further embodiment, when detecting that cookware 30 is in When from pot state, the duration of a part of timing is removed.In a further embodiment, when detect cookware 30 be in from pot state When, extend time of fire alarming threshold value.
Specifically, referring to Fig. 3, in some embodiments, firepower detection sensor 60 is used to detect the fire of kitchen range 20 Power.It in the present embodiment, can be according to the firepower size for detecting kitchen range 20 by firepower detection sensor 60, thus according to fire The size of power judges whether the firepower of kitchen range 20 is conditioned.
It can be understood as cookware 30 it should be noted that cookware 30 described in present embodiment is in from pot state and do not put Set the state on kitchen range 20.Preferably, when whether cookware 30 to be judged is in from pot state kitchen range can be left from cookware 30 20 start timing, and the duration of timing is greater than when presetting from pot duration, just judge cookware 30 and are in from pot state.Because at certain Under a little food cooking scenes, during the cooking process, cookware 30 has a short time once or several times and leaves kitchen range 20, and actually pot The food that tool 30 is cooked does not change, control method can be made more accurate in this way.
In one embodiment, it can sit whether pot detects the detection of contact type temperature sensor 40 cookware 30 by being provided with From pot.
In another embodiment, during the cooking process, can by be mounted on kitchen range 20 without sit pot detection connect The heating rate for the cookware 30 that touch temperature sensor 40 detects judges cookware 30 whether in from pot state, in kitchen range 20 When heating, when calculating the temperature change value Δ T in preset duration T, when temperature change value Δ T is greater than first predetermined value, then really Determine cookware 30 and is in described from pot state.Or when kitchen range 20 heat, the slope Δ T/T of the temperature in preset duration T is calculated, When the slope Δ T/T of temperature is greater than second predetermined value, it is determined that cookware 30 is in described from pot state.Or add in kitchen range 20 When hot, the slope Δ T/T of the temperature change value Δ T and temperature in preset duration T are calculated, when temperature change value Δ T is greater than first When the slope Δ T/T of predetermined value and temperature is greater than second predetermined value, it is determined that cookware 30 is in from pot state.
In yet another embodiment, during the cooking process, it can be sensed by the non-contact temperature being mounted on kitchen range 20 Whether the temperature of device 40, detection cookware 30 fluctuates widely, and when kitchen range 20 heat, becomes when calculating the temperature in preset duration T Change value Δ T, when temperature change value Δ T is greater than first predetermined value, it is determined that cookware 30 is in described from pot state.Or in stove When 20 heating of tool, the slope Δ T/T of the temperature in preset duration T is calculated, when the slope Δ T/T of temperature is greater than second predetermined value When, it is determined that cookware 30 is in from pot state.Or when kitchen range 20 heat, calculate the temperature change value Δ T in preset duration T With the slope Δ T/T of temperature, make a reservation for when temperature change value Δ T is greater than second greater than the slope Δ T/T of first predetermined value and temperature When value, it is determined that cookware 30 is in described from pot state.In yet another embodiment, connected by contact type temperature sensor 40 Whether the position sensor detection cookware 30 connect is in from pot state.
It in a further embodiment, during the cooking process, can be by the imaging sensor on installation kitchen range 20 in kitchen range 20 Whether the situation for not closing fire gets off to detect cookware 30 in from pot state.
In a further embodiment, during the cooking process, weight sensor can be installed on pan bracket.During the cooking process Whether the weight born by measuring pan bracket discriminates whether cookware 30 in from pot state.As connect when the weight measured It is bordering in zero preset range, determines that cookware 30 is in from pot state.
It is appreciated that in some embodiments, it is above-mentioned to judge whether cookware 30 can be used in the means from pot state Any one in embodiment or two or more combinations.
It should be noted that when the firepower for detecting kitchen range 20 is conditioned and/or cookware 30 is in from pot state, also It is to say, user has begun the culinary art situation for noticing kitchen range 20 at this time, and the firepower of interventional procedure kitchen range 20 or to cookware 30 are operated, that is, are shown in this case, and cookware 30 is not easy the case where dry combustion method occur, therefore, in the present embodiment, When the firepower for detecting kitchen range 20 is conditioned and/or cookware 30 is in from pot state, the duration of timing is removed, or remove one Divide the duration of timing, or extend time of fire alarming threshold value, the control precision of 20 burning prevention function of kitchen range can be improved in this way.
Referring to Fig. 8, in some embodiments, control method includes:
Step S100 acquires the current firepower of kitchen range 20；
Step S110 obtains corresponding first anti-dry temperature value and the first time of fire alarming according to the current firepower of kitchen range 20 Value, and set the anti-dry temperature threshold of kitchen range 20 for the first anti-dry temperature value and set stove for the first alarm time value The time of fire alarming threshold value of tool 20.
The control method of present embodiment can be realized by the anti-dry system 100 of embodiment of the present invention, wherein this hair The step S100 and step S110 of the control method of the anti-dry of bright embodiment can be realized by control device 50.Namely It says, control device 50 is used to obtain corresponding first anti-dry temperature value and the first time of fire alarming according to the current firepower of kitchen range 20 Value, and set the anti-dry temperature threshold of kitchen range 20 for the first anti-dry temperature value and set stove for the first alarm time value The time of fire alarming threshold value of tool 20.
Specifically, referring to Fig. 3, in some embodiments, kitchen range 20 include firepower detection sensor 60, firepower detection Sensor 60 is used to detect the firepower of kitchen range 20.In one embodiment, kitchen range 20 are gas-cookers, and firepower detection sensor 60 can With the rotary type potentiometer being mounted on 20 switching knob column of kitchen range, by the resistance, voltage or the electric current that perceive potentiometer Variation obtains 20 fire-regulating gear of kitchen range, further judges 20 firepower size of kitchen range.In another embodiment, firepower is examined The gas flow rate sensing device on gas pipeline can be mounted in by surveying sensor 60, and the flowing velocity by perceiving combustion gas judges 20 firepower size of kitchen range out.In yet another embodiment, firepower detection sensor 60 can be mounted in the combustion on gas pipeline Gas velocity sensing device, the flowing velocity by perceiving combustion gas judge 20 firepower size of kitchen range.In a further embodiment, fiery Force detection sensor 60 can be mounted in the gaseous-pressure sensing device on gas pipeline, and the pressure by perceiving combustion gas judges 20 firepower size of kitchen range out.The firepower of electromagnetic stove can be judged by the size of current or firepower gear of detection supply coil.
Specifically, in the present embodiment, corresponding first anti-dry temperature value is obtained according to the current firepower of kitchen range 20, And set the first anti-dry temperature value to the anti-dry temperature threshold of kitchen range 20, that is to say, that can establish the fire of kitchen range 20 First preset relation of power and anti-dry temperature threshold, and the first preset relation shows as the side such as table or lines relational graph Formula.
In addition, in embodiments of the present invention, the anti-dry temperature threshold of kitchen range 20 and the firepower of kitchen range 20 are positively correlated, That is the firepower of kitchen range 20 is bigger, 20 anti-dry temperature threshold of kitchen range is also bigger.The firepower of kitchen range 20 is smaller, kitchen range 20 Anti-dry temperature threshold also just it is smaller.When the firepower of kitchen range 20 is larger, the anti-dry temperature threshold of kitchen range 20 is also accordingly set It sets relatively high, can avoid the cutoff in advance there is a situation where erroneous judgement dry combustion method of kitchen range 20 in this way.When the firepower of kitchen range 20 is smaller, The anti-dry temperature threshold of kitchen range 20 is also accordingly arranged relatively low, and the temperature that can reduce cookware 30 in this way reaches anti-dry temperature The time for spending threshold value, avoid dry combustion method overlong time.
Specifically, in the present embodiment, corresponding first alarm time value is obtained according to the current firepower of kitchen range 20, and Set the first alarm time value to the time of fire alarming threshold value of kitchen range 20, that is to say, that can establish the firepower and stove of kitchen range 20 Second preset relation of the time of fire alarming threshold value of tool 20, and the second preset relation shows as the side such as table or lines relational graph Formula.
In addition, the time of fire alarming threshold value of the firepower of kitchen range 20 and kitchen range 20 is negatively correlated, that is to say, that the firepower of kitchen range 20 is got over Greatly, the time of fire alarming threshold value of the kitchen range 20 of setting is also just smaller；The firepower of kitchen range 20 is smaller, the time of fire alarming of the kitchen range 20 of setting Threshold value is also bigger.When the firepower of kitchen range 20 is larger, the time that cookware 30 reaches dry-fire condition is shorter, at this time, it may be necessary to be arranged The time of fire alarming threshold value of lesser kitchen range 20 so that determine cookware 30 be in have water cooking status after can control stove as early as possible Have 20 alerts to remind user to pay attention to the cooking status of kitchen range 20 in time.When the firepower of kitchen range 20 is smaller, cookware 30 reach dry-fire condition time it is longer, in this way can be to avoid at this time, it may be necessary to the time of fire alarming threshold value of biggish kitchen range 20 is arranged The prematurely alert of kitchen range 20.
It should be noted that kitchen range 20 are in temperature when reaching anti-dry when having water cooking status under same firepower It is relatively low, and temperature when kitchen range 20 are in anhydrous cooking status reaches anti-dry is relatively high, therefore, there is water cooking status pair The current anti-dry temperature threshold for the kitchen range 20 answered is lower than the current anti-dry temperature threshold of the corresponding kitchen range 20 of anhydrous cooking status Value.
Referring to Fig. 9, in some embodiments, control method includes:
Step S100 acquires the current firepower of kitchen range 20；
Step S130 obtains the thermally conductive of cookware 30 according to the temperature of cookware 30 when kitchen range 20, which are in, water cooking status Property, the anti-dry of corresponding time of fire alarming threshold value and kitchen range 20 is obtained according to the thermal conductivity of the current firepower of kitchen range 20 and cookware 30 Temperature threshold.
Above-mentioned control method can be realized by the anti-dry system 100 of embodiment of the present invention, wherein embodiment party of the present invention The step S100 and step S130 of the control method of the anti-dry of formula can be realized by control device 50.That is, control dress 50 are set for the thermal conductivity of cookware 30 being obtained according to the temperature of cookware 30, according to stove when kitchen range 20, which are in, water cooking status The current firepower of tool 20 and the thermal conductivity of cookware 30 obtain the anti-dry temperature threshold of corresponding time of fire alarming threshold value and kitchen range 20.
In this way, being obtained when kitchen range 20, which are in, water cooking status according to the current firepower of kitchen range 20 and the thermal conductivity of cookware 30 Corresponding time of fire alarming threshold value and anti-dry temperature threshold are taken, more suitable time of fire alarming threshold value and anti-dry can be obtained in this way Temperature threshold, so that kitchen range 20 can notify user to pay attention to the cooking status of kitchen range 20 in time and reach anti-dry shape in kitchen range 20 Burning prevention function can accurately be started when state, avoid judging by accident.
Referring to Fig. 10, in some embodiments, step S130 includes:
Step S132 judges whether the cookware boiling temperature of cookware 30 is less than or equal to and presets thermally conductive temperature,
If so, step S134, obtains the second anti-dry temperature according to the thermal conductivity of the current firepower of kitchen range 20 and cookware 30 Value and the second alarm time value, and set the anti-dry temperature threshold of kitchen range 20 for the second anti-dry temperature value and reported second Alert time value is set as the time of fire alarming threshold value of kitchen range 20.
If it is not, step S136, obtains third anti-dry temperature according to the thermal conductivity of the current firepower of kitchen range 20 and cookware 30 Value and third alarm time value, and by third anti-dry temperature value set the anti-dry temperature threshold of kitchen range 20 and by third report Alert time value is set as the time of fire alarming threshold value of kitchen range 20.
Above-mentioned control method can be realized by the anti-dry system 100 of embodiment of the present invention, wherein embodiment party of the present invention Step S132, S134 and S136 of the control method of the anti-dry of formula can be realized by control device 50.That is, control dress It sets 50 and presets thermally conductive temperature for judging whether the cookware boiling temperature of cookware 30 is less than or equal to, if so, according to kitchen range 20 Current firepower and the thermal conductivity of cookware 30 obtain the second anti-dry temperature value and the second alarm time value, and by the second anti-dry Temperature value is set as the anti-dry temperature threshold of kitchen range 20 and sets the second alarm time value to the time of fire alarming threshold of kitchen range 20 Value.If it is not, when obtaining third anti-dry temperature value and third alarm according to the thermal conductivity of the current firepower of kitchen range 20 and cookware 30 Between be worth, and set the anti-dry temperature threshold of kitchen range 20 for third anti-dry temperature value and set third alarm time value to The time of fire alarming threshold value of kitchen range 20.
In this way, kitchen range 20 can notify user to pay attention to the cooking status of kitchen range 20 in time and reach anti-dry shape in kitchen range 20 Burning prevention function can accurately be started when state, avoid judging by accident.
Specifically, in the case where there is water cooking status, the better cookware 30 of thermal conductivity cookware boiling temperature Tb in culinary art is smaller, Therefore, under the firepower of same kitchen range 20, the thermal conductivity of cookware 30 is better, and set anti-dry temperature threshold is also just smaller, And the alarm temperature threshold value being arranged is also bigger.It should be noted that the bottom of a pan temperature rise speed of cookware 30 is most fast when high fire, moderate heat When cookware 30 the bottom of a pan temperature rise speed take second place, the bottom of a pan temperature rise speed of cookware 30 is most slow when small fire.Thus, in order to reduce Fire and dry combustion method time when small fire, it is settable than high fire when lower anti-dry temperature threshold, in addition, due to moderate heat and small fire The time for reaching dry-fire condition is longer than high fire, in this way in order to avoid prematurely alert, settable ratio are big for kitchen range 20 Bigger alarm temperature threshold value when fiery.That is, the firepower of kitchen range 20 is smaller, set under the thermal conductivity of same cookware 30 The anti-dry temperature threshold set is smaller, and set alarm temperature threshold value is also bigger.
Referring to Fig. 5, the cookware 30 good for thermal conductivity, such as metal pan 30, outer surface of pot bottom temperature when water boiling in pot Spend it is lower, such as 110 DEG C -130 DEG C, as shown in temperature time curve 1；For the cookware 30 of poor thermal conductivity, such as casserole, water in pot Outer surface of pot bottom temperature is higher when boiling.Such as 140 DEG C -180 DEG C, as shown in temperature time curve 2.Therefore it can pass through boiling When cookware boiling temperature with preset the type for comparing to determine cookware 30 of thermally conductive temperature.Presetting thermally conductive temperature can be according to cookware 30 thermal conductivity is demarcated.Further, it under the firepower of same kitchen range 20, by comparing cookware boiling temperature and can preset The size of thermally conductive temperature determines different time of fire alarming threshold value and anti-dry temperature threshold, so that kitchen range 20 can be timely It notifies user to pay attention to the cooking status of kitchen range 20 and can accurately start anti-dry function when kitchen range 20 reach anti-dry state Can, it avoids judging by accident, user experience is good.
In some embodiments, control method includes:
Determine kitchen range 20 be in anhydrous cooking status and when the temperature of cookware 30 be greater than kitchen range 20 anti-dry threshold value when, Kitchen range 20 are controlled to close.
Above-mentioned control method can be realized by control device 50.That is, control device 50 is for determining kitchen range 20 In anhydrous cooking status and when the temperature of cookware 30 is greater than the anti-dry threshold value of kitchen range 20, control kitchen range 20 are closed.
In this way, can accurately start burning prevention function when kitchen range 20 reach anti-dry state, avoid judging by accident, use Family experience property is good.
It should be noted that can be obtained not according to the different firepower of kitchen range 20 when kitchen range 20 are in anhydrous cooking status The anti-dry temperature threshold of same kitchen range 20.Firepower is bigger, and the anti-dry temperature threshold of kitchen range 20 is also bigger.It needs to illustrate It is, since when kitchen range 20 are in anhydrous cooking status, the temperature change of cookware 30 is larger, therefore, in order to avoid 20 frequency of kitchen range Numerous generation is judged by accident and is interfered to user, therefore, in the present embodiment, when kitchen range 20 are in anhydrous cooking status.No The time of fire alarming threshold value of kitchen range 20 is set.
It should be pointed out that in the above-described embodiment, when the temperature amount of cookware 30 collected is not enough to judge stove When the cooking status of tool 20, S510 is entered step, the anti-dry temperature threshold of kitchen range 20 is obtained according to the current firepower of kitchen range 20. Namely it is to say, the anti-dry temperature threshold of kitchen range 20 is directly obtained with the control strategy of anhydrous cooking status.
In some embodiments, time of fire alarming threshold value includes different multiple time of fire alarming threshold values, multiple time of fire alarming Threshold value limits multiple alarm ranges, and warning message includes multiple warning messages, the corresponding warning message of each alarm range, 20 alert of kitchen range is controlled in step S40, comprising:
According to alarm range locating for the duration of timing, controls kitchen range 20 and issue warning message corresponding with alarm range.
Above-mentioned control method can be realized by control device 50.That is, control device 50 be used for according to timing when Long locating alarm range, control kitchen range 20 issue warning message corresponding with alarm range.
In this way, the alarm range according to locating for the duration of timing issues alarm corresponding with alarm range to control kitchen range 20 Information can allow user to know the dry-fire condition of kitchen range 20 by corresponding warning message in this way, in order to make in time Processing, user experience are good.
Specifically, in one embodiment, the time of fire alarming threshold value of kitchen range 20 respectively include the first time of fire alarming threshold value A and Second time of fire alarming threshold value B, wherein the first time of fire alarming threshold value A is less than the second time of fire alarming threshold value B.First alarm time value Threshold value A and the second time of fire alarming threshold value B limit jointly two alarm ranges [A, B) and [B ,+∞).When the duration of timing is in Alarm range [A, B) when, control kitchen range 20 issue the first warning message, for example, alarm sound is primary every alarm in 60 seconds, every time It is for 3 seconds.When the duration of timing be in alarm range [B ,+∞), control kitchen range 20 issue the second warning message, for example, alarm Sound is primary every alarm in 30 seconds, for 3 seconds every time, with the lasting raising of the temperature of cookware 30, when the temperature of cookware 30 is big When anti-dry temperature threshold, it can control kitchen range 20 and close and stop alert.
There is water to cook it should be noted that the time of fire alarming threshold value of present embodiment can be understood as being in from determining kitchen range 20 Start the period set by timing to control 20 first time of kitchen range alert when state of preparing food.When the alarm of kitchen range 20 Between threshold value be it is multiple when, that is to say, that multiple time of fire alarming threshold values limit multiple alarm ranges jointly.The size of alarm range exists It is interpreted as the size of the numerical value of alarm range in present embodiment, and is not the difference range of duration defined by alarm range Size.For example, when the time of fire alarming threshold value of kitchen range 20 is three, respectively 0.5h, 0.8h and 1h, then these three time of fire alarming thresholds Be worth the range that limits as [0.5h, 0.8h), [0.8h, 1h) and [1h ,+∞), and the size relation of the numerical value of alarm range are as follows: [1h ,+∞) > [0.8h, 1h) > [0.5h, 0.8h).
In some embodiments, warning message includes sound, and the size of the numerical value of the frequency and alarm range of sound is just It is related.Specifically, the numerical value of alarm range is bigger, and the frequency of sound is higher.In one embodiment, warning message is alarm Sound.When the duration of timing falls in [0.5h, 0.8h) alarm range in when, alarm sound is primary every alarm in 60 seconds, every time For 3 seconds, alarm sound is low-frequency sound.When the duration of timing falls in [0.8h, 1h) alarm range in when, alarm sound is every Primary every alarm in 30 seconds, for 3 seconds every time, alarm sound is intermediate frequency sound.When the duration of timing falls in [1h ,+∞) alarm When in range, alarm sound is primary every alarm in 15 seconds, and for 3 seconds every time, alarm sound is high-frequency sound.
In some embodiments, warning message includes light, and the size of the numerical value of the flicker frequency and alarm range of light is just It is related.Specifically, the numerical value of alarm range is higher, and the flicker frequency of light is higher, that is to say, that the duration of timing is accumulative to get over Long, the flicker frequency of light is higher.In one embodiment, warning message is the light that alarm display lamp issues.When timing It is long fall in [0.5h, 0.8h) alarm range in when, alarm display lamp is primary every flashing in 60 seconds, for 3 seconds every time.Work as timing Duration fall in [0.8h, 1h) alarm range in when, alarm display lamp is primary every flashing in 30 seconds, for 3 seconds every time.Work as meter When duration fall in [1h ,+∞) alarm range in when, alarm display lamp is primary every flashing in 15 seconds, for 3 seconds every time.
It should be noted that in one embodiment, can be controlled when the temperature of cookware 30 is greater than time of fire alarming threshold value Kitchen range 20 processed are simultaneously emitted by alarm sound and flashing alarm display lamp.In another embodiment, a control kitchen range 20 are sent out simultaneously Alarm sound out, such as issue preset voice " please noting that pot temperature, prevent dry combustion method ".In yet another embodiment, it only controls Kitchen range 20 flash alarm display lamp, for example, alarm display lamp alarm flashing feux rouges.The information of alarm can be according to the practical need of user It asks and is configured, be not limited thereto.
Figure 11 is please referred to, in some embodiments, control method includes:
Step S210 receives alarm command for stopping；
Step S220, according to alarm command for stopping, control kitchen range 20 stop alert, and remove the timing of timing Data.
Above-mentioned control method can be realized by the anti-dry system 100 of embodiment of the present invention.Wherein, the present invention is implemented The step S210 and step S220 of the control method of the anti-dry of mode can be realized by control device 50.That is, control Device 50 is for receiving alarm command for stopping；And according to alarm command for stopping, control kitchen range 20 stop alert, and clear Except the chronometric data of timing.
In this way, can flexibly control the alarm of kitchen range 20 according to user demand, user experience is good.
Specifically, can on kitchen range 20 a settable key or knob, after user's depresses button or turning knob, kitchen range 20 alarm (such as 2 seconds) can release within a preset time, then automatic to restore to alarm condition.In an embodiment In, the alarm knob of kitchen range 20 can be shared with ignition knob.
Please refer to Figure 12, in some embodiments, control method further include:
Step S230 receives warning function open command, enters step S10.
Above-mentioned control method can be realized by the anti-dry system 100 of embodiment of the present invention.Wherein, the present invention is implemented The step S230 of the control method of the anti-dry of mode can be realized by control device 50.That is, control device 50 is used for S10 is entered step after receiving warning function open command.It transmits messages in this way, kitchen range 20 can be controlled according to warning function open command Alert information, readily satisfies the demand of user, user experience is good in this way.
It should be noted that a warning function key, kitchen range 20 can be arranged on kitchen range 20 in embodiment of the present invention When factory, default is to close warning function.In the case where warning function is closed, when warning function key is operated, kitchen range 20 generate warning function open command, and control device 50 can receive warning function open command, enter step S10, and then basis The temperature of cookware 30 determine kitchen range 20 whether in there is water cooking status, determine kitchen range 20 be in have water cooking status when, open Beginning timing；When timing duration be greater than kitchen range 20 time of fire alarming threshold value and cookware 30 temperature be not more than kitchen range 20 anti-dry When temperature threshold, 20 alert of kitchen range is controlled.In the case where warning function is opened, when warning function key is operated When, kitchen range 20 generate warning function out code, and control device 50 can receive warning function out code, not enter step S10, that is to say, that do not acquire the temperature of cookware 30, or when the duration of timing is greater than the time of fire alarming threshold value and cookware 30 of kitchen range 20 Temperature when being not more than the anti-dry temperature threshold of kitchen range 20, control kitchen range 20 not alert.It is appreciated that other In embodiment, when kitchen range 20 dispatch from the factory, can default is to open warning function.It in other embodiments, can be on kitchen range 20 One warning function is set and opens key and warning function closing key.
Further, an alarm volume button can be set on kitchen range 20, and user can be by adjusting volume button of alarming To adjust the volume of the sound issued when alarm.
Specifically, in specific practical application scene, according to the thermal conductivity of cooking status locating for cookware 30, cookware 30 And the current firepower of cookware 30 obtains corresponding time of fire alarming threshold value and anti-dry temperature threshold.
Implement one, embodiment two, embodiment third is that being in cookware 30 has water cooking status, when the cookware of cookware 30 boils For temperature less than or equal to when presetting thermally conductive temperature, kitchen range 20 are in the embodiment of different firepower.
Embodiment one: when kitchen range 20 are in high fire, the anti-dry temperature threshold of kitchen range 20 is set as T1=210 DEG C.? In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value may be configured as W1= 0.5h.Determine kitchen range 20 be in have water cooking status when, that is to say, that opened in the cookware boiling temperature for detecting cookware 30 Beginning timing after 0.5h and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T1 of kitchen range 20 at this time, controls kitchen range 20, which issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20, alarms, for example, control device 50 can Kitchen range 20 are controlled every the alarm sound of sending in 60 seconds, each alarm sound is for 3 seconds.In another embodiment, work as stove When the quantity of the time of fire alarming threshold value of tool 20 is two, time of fire alarming threshold value may be configured as W1=0.5h and W2=0.8h.Work as pot When the temperature of tool 30 is greater than time of fire alarming threshold value W1 and is less than or equal to W2 and the temperature of cookware 30 is not more than kitchen range 20 at this time Anti-dry temperature threshold T1 when, control device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, alarm every time Sound go 3 seconds, alarm sound was low frequency alarm sound.When the temperature of cookware 30 is greater than time of fire alarming threshold value W2 and pot at this time When the temperature of tool 30 is not more than the anti-dry temperature threshold T1 of kitchen range 20, control device 50 can control kitchen range 20 to issue every 30 seconds Alarm sound, each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.When the temperature of cookware 30 is greater than stove When the anti-dry threshold value T1 of tool 20, in one embodiment, control kitchen range 20 are closed and control kitchen range 20 stop issuing alarm signal Breath.In another embodiment, control kitchen range 20 close and continue to control 20 alert of kitchen range, and warning message can be The voice that prompt kitchen range 20 are turned off, this is not restricted for warning message, can be configured according to actual needs.
Embodiment two: when kitchen range 20 are in moderate heat, the anti-dry temperature threshold of kitchen range 20 is set as T2=190 DEG C.? In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value may be configured as W3= 0.6h.Determine kitchen range 20 be in have water cooking status when, that is to say, that opened in the cookware boiling temperature for detecting cookware 30 Beginning timing after 0.6h and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T2 of kitchen range 20 at this time, controls kitchen range 20, which issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20, alarms, for example, control device 50 can Kitchen range 20 are controlled every the alarm sound of sending in 60 seconds, each alarm sound is for 3 seconds.In another embodiment, work as stove When the quantity of the time of fire alarming threshold value of tool 20 is two, time of fire alarming threshold value may be configured as W3=0.6h and W4=0.9h.Work as pot When the temperature of tool 30 is greater than time of fire alarming threshold value W3 and is less than or equal to W4 and the temperature of cookware 30 is not more than kitchen range 20 at this time Anti-dry temperature threshold T2 when, control device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, alarm every time Sound go 3 seconds, alarm sound was low frequency alarm sound.When the temperature of cookware 30 is greater than time of fire alarming threshold value W4 and pot at this time When the temperature of tool 30 is not more than the anti-dry temperature threshold T2 of kitchen range 20, control device 50 can control kitchen range 20 to issue every 30 seconds Alarm sound, each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.When the temperature of cookware 30 is greater than stove When the anti-dry threshold value T2 of tool 20, in one embodiment, control kitchen range 20 are closed and control kitchen range 20 stop issuing alarm signal Breath.In another embodiment, control kitchen range 20 close and continue to control 20 alert of kitchen range, and warning message can be The voice that prompt kitchen range 20 are turned off, this is not restricted for warning message, can be configured according to actual needs.
Embodiment three: when kitchen range 20 are in small fire, the anti-dry temperature threshold of kitchen range 20 is set as T3=170 DEG C.? In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value may be configured as W5= 0.7h.Determine kitchen range 20 be in have water cooking status when, that is to say, that opened in the cookware boiling temperature for detecting cookware 30 Beginning timing after 0.7h and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T3 of kitchen range 20 at this time, controls kitchen range 20, which issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20, alarms, for example, control device 50 can Kitchen range 20 are controlled every the alarm sound of sending in 60 seconds, each alarm sound is for 3 seconds.In another embodiment, work as stove When the quantity of the time of fire alarming threshold value of tool 20 is two, time of fire alarming threshold value may be configured as W5=0.7h and W6=1.0h.Work as pot When the temperature of tool 30 is greater than time of fire alarming threshold value W5 and is less than or equal to W6 and the temperature of cookware 30 is not more than kitchen range 20 at this time Anti-dry temperature threshold T3 when, control device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, alarm every time Sound go 3 seconds, alarm sound was low frequency alarm sound.When the temperature of cookware 30 is greater than time of fire alarming threshold value W6 and pot at this time When the temperature of tool 30 is not more than the anti-dry temperature threshold T3 of kitchen range 20, control device 50 can control kitchen range 20 to issue every 30 seconds Alarm sound, each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.When the temperature of cookware 30 is greater than stove When the anti-dry threshold value T3 of tool 20, in one embodiment, control kitchen range 20 are closed and control kitchen range 20 stop issuing alarm signal Breath.In another embodiment, control kitchen range 20 close and continue to control 20 alert of kitchen range, and warning message can be The voice that prompt kitchen range 20 are turned off, this is not restricted for warning message, can be configured according to actual needs.
To implement four, embodiment five, embodiment sixth is that being in cookware 30 has water cooking status, when cookware boiling temperature is big When presetting thermally conductive temperature, kitchen range 20 are in the embodiment of different firepower.
Example IV: when kitchen range 20 are in high fire, the anti-dry temperature threshold of kitchen range 20 is set as T4=250 DEG C.? In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value may be configured as W7= 0.9h.Determine kitchen range 20 be in have water cooking status when, that is to say, that opened in the cookware boiling temperature for detecting cookware 30 Beginning timing after 0.9h and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T4 of kitchen range 20 at this time, controls kitchen range 20, which issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20, alarms, for example, control device 50 can Kitchen range 20 are controlled every the alarm sound of sending in 60 seconds, each alarm sound is for 3 seconds.In another embodiment, work as stove When the quantity of the time of fire alarming threshold value of tool 20 is two, time of fire alarming threshold value may be configured as W7=0.9h and W8=1.1h.Work as pot When the temperature of tool 30 is greater than time of fire alarming threshold value W7 and is less than or equal to W8 and the temperature of cookware 30 is not more than kitchen range 20 at this time Anti-dry temperature threshold T4 when, control device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, alarm every time Sound go 3 seconds, alarm sound was low frequency alarm sound.When the temperature of cookware 30 is greater than time of fire alarming threshold value W8 and pot at this time When the temperature of tool 30 is not more than the anti-dry temperature threshold T4 of kitchen range 20, control device 50 can control kitchen range 20 to issue every 30 seconds Alarm sound, each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.When the temperature of cookware 30 is greater than stove When the anti-dry threshold value T4 of tool 20, in one embodiment, control kitchen range 20 are closed and control kitchen range 20 stop issuing alarm signal Breath.In another embodiment, control kitchen range 20 close and continue to control 20 alert of kitchen range, and warning message can be The voice that prompt kitchen range 20 are turned off, this is not restricted for warning message, can be configured according to actual needs.
Embodiment five: when kitchen range 20 are in moderate heat, the anti-dry temperature threshold of kitchen range 20 is set as T5=230 DEG C.? In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value may be configured as W9= 1.0h.Determine kitchen range 20 be in have water cooking status when, that is to say, that opened in the cookware boiling temperature for detecting cookware 30 Beginning timing after 1.0h and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T5 of kitchen range 20 at this time, controls kitchen range 20, which issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20, alarms, for example, control device 50 can Kitchen range 20 are controlled every the alarm sound of sending in 60 seconds, each alarm sound is for 3 seconds.In another embodiment, work as stove When the quantity of the time of fire alarming threshold value of tool 20 is two, time of fire alarming threshold value may be configured as W9=1.0h and W10=1.2h.Work as pot When the temperature of tool 30 is greater than time of fire alarming threshold value W9 and is less than or equal to W10 and the temperature of cookware 30 is not more than kitchen range 20 at this time Anti-dry temperature threshold T5 when, control device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, alarm every time Sound go 3 seconds, alarm sound was low frequency alarm sound.When the temperature of cookware 30 is greater than time of fire alarming threshold value W10 and at this time When the temperature of cookware 30 is not more than the anti-dry temperature threshold T5 of kitchen range 20, control device 50 can control kitchen range 20 to send out every 30 seconds An alarm sound out, each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.When the temperature of cookware 30 is greater than When the anti-dry threshold value T5 of kitchen range 20, in one embodiment, control kitchen range 20 are closed and control kitchen range 20 stop issuing alarm Information.In another embodiment, control kitchen range 20 close and continue to control 20 alert of kitchen range, and warning message can For the voice that prompt kitchen range 20 are turned off, this is not restricted for warning message, can be configured according to actual needs.
Embodiment six: when kitchen range 20 are in small fire, the anti-dry temperature threshold of kitchen range 20 is set as T6=210 DEG C.? In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value may be configured as W11= 1.1h.Determine kitchen range 20 be in have water cooking status when, that is to say, that opened in the cookware boiling temperature for detecting cookware 30 Beginning timing after 1.1h and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T6 of kitchen range 20 at this time, controls kitchen range 20, which issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20, alarms, for example, control device 50 can Kitchen range 20 are controlled every the alarm sound of sending in 60 seconds, each alarm sound is for 3 seconds.In another embodiment, work as stove When the quantity of the time of fire alarming threshold value of tool 20 is two, time of fire alarming threshold value may be configured as W11=1.1h and W12=1.3h.When When the temperature of cookware 30 is greater than time of fire alarming threshold value W11 and is less than or equal to W12 and the temperature of cookware 30 is not more than stove at this time When the anti-dry temperature threshold T6 of tool 20, control device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, every time Alarm sound is for 3 seconds, and alarm sound is low frequency alarm sound.When the temperature of cookware 30 be greater than time of fire alarming threshold value W12 when and When the temperature of cookware 30 is not more than the anti-dry temperature threshold T6 of kitchen range 20 at this time, control device 50 can control kitchen range 20 every 30 Second issues an alarm sound, and each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.When the temperature of cookware 30 Greater than kitchen range 20 anti-dry threshold value T6 when, in one embodiment, control kitchen range 20 close and control kitchen range 20 stop issue Warning message.In another embodiment, control kitchen range 20 close and continue to control 20 alert of kitchen range, alarm signal The voice that breath can be turned off for prompt kitchen range 20, this is not restricted for warning message, can be configured according to actual needs.
It should be noted that, when kitchen range 20 are in high fire, kitchen range 20 are prevented when kitchen range 20 are in anhydrous cooking status Dry combustion method temperature threshold may be configured as T7=290 DEG C.When kitchen range 20 are in moderate heat, the anti-dry temperature threshold of kitchen range 20 is settable It is T8=260 DEG C.When kitchen range 20 are in small fire, the anti-dry temperature threshold of kitchen range 20 may be configured as T9=230 DEG C.In order to keep away Anti-dry erroneous judgement frequently occurs when exempting to be cooked under anhydrous cooking status to interfere user, therefore, in such situation Under do not need setting kitchen range 20 time of fire alarming threshold value.
One, embodiment two, embodiment three, example IV, embodiment five, embodiment six and kitchen range 20 based on the above embodiments In anhydrous cooking status situation anti-dry temperature threshold according to set by firepower, the process of following control method can be summarized as One.
Process one (refering to fig. 1 3)
A1, kitchen range 20 are opened.
A2, temperature sensor 40 acquire the temperature T of cookware 30k。
A3, control device 50 determine the cooking status of kitchen range 20.If kitchen range 20, which are in, water cooking status, enter step A4；If kitchen range 20 are in anhydrous cooking status, A9 is entered step.
A4, start timing.
A5, control device 50 read the size of the current firepower P of kitchen range 20.
A6, control device 50 judge whether the temperature of the cookware 30 of current detection is more than and has water cooking status, cookware 30 Thermal conductivity and kitchen range 20 the corresponding anti-dry temperature threshold of current firepower.If being more than, A11 is entered step；If not surpassing It crosses, enters step A7.
A7, control device 50 judge whether the duration of the timing currently added up is more than and has water cooking status, cookware 30 Thermal conductivity, the current firepower of kitchen range 20 and the corresponding time of fire alarming threshold value of warning message.If being more than, A8 is entered step；If not yet It has more than, enters step A2.
A8, control device 50 control buzzer and issue warning message corresponding with time of fire alarming threshold value, and return step A2.
A9, control device 50 read the size of the current firepower P of kitchen range 20.
A10, control device 50 judge the cookware 30 of current detection temperature whether be more than and anhydrous cooking status and kitchen range The corresponding anti-dry temperature threshold of 20 current firepower.If being more than, A11 is entered step；If being not above, A2 is entered step.
A11, control kitchen range 20 are closed.
Following embodiment seven, embodiment eight and embodiment do not consider pot ninth is that in kitchen range 20 in there is water cooking status Thermal conductivity, and kitchen range 20 are in the embodiment of different firepower.Wherein, the cookware boiling temperature of cookware 30 is Tb。
Embodiment seven: when kitchen range 20 are in high fire, the anti-dry temperature threshold of kitchen range 20 is set as T10=(Tb+80) ℃.In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value be may be configured as W13=0.8h.Determine kitchen range 20 be in have water cooking status when, that is to say, that detect cookware 30 cookware boiling temperature Spend TbWhen start timing, when the temperature of cookware 30 is not more than the anti-dry temperature threshold T10 of kitchen range 20 after 0.8h and at this time, Control kitchen range 20 issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20 and alarm, for example, control Device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, and each alarm sound is for 3 seconds.In another embodiment In, when the quantity of the time of fire alarming threshold value of kitchen range 20 is two, time of fire alarming threshold value may be configured as W13=0.8h and W14= 1.0h.When the temperature of cookware 30 is greater than time of fire alarming threshold value W13 and is less than or equal to W14 and the temperature of cookware 30 is not at this time Greater than kitchen range 20 anti-dry temperature threshold T10 when, control device 50 can control kitchen range 20 every the alarm of sending in 60 seconds Sound, each alarm sound is for 3 seconds, and alarm sound is low frequency alarm sound.When the temperature of cookware 30 is greater than time of fire alarming threshold value When W14 and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T10 of kitchen range 20 at this time, control device 50 can control kitchen range 20 every the alarm sound of sending in 30 seconds, and each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.Work as cookware When 30 temperature is greater than the anti-dry threshold value T10 of kitchen range 20, in one embodiment, control kitchen range 20 are closed and control kitchen range 20 Stop alert.In another embodiment, control kitchen range 20 close and continue to control the sending alarm signal of kitchen range 20 Breath, the voice that warning message can be turned off for prompt kitchen range 20, this is not restricted for warning message, can carry out according to actual needs Setting.
Embodiment eight: when kitchen range 20 are in moderate heat, the anti-dry temperature threshold of kitchen range 20 is set as T11=(Tb+70) ℃.In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value be may be configured as W15=0.9h.Determine kitchen range 20 be in have water cooking status when, that is to say, that detect cookware 30 cookware boiling temperature Spend TbWhen start timing, when the temperature of cookware 30 is not more than the anti-dry temperature threshold T11 of kitchen range 20 after 0.9h and at this time, Control kitchen range 20 issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20 and alarm, for example, control Device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, and each alarm sound is for 3 seconds.In another embodiment In, when the quantity of the time of fire alarming threshold value of kitchen range 20 is two, time of fire alarming threshold value may be configured as W15=0.9h and W16= 1.1h.When the temperature of cookware 30 is greater than time of fire alarming threshold value W15 and is less than or equal to W16 and the temperature of cookware 30 is not at this time Greater than kitchen range 20 anti-dry temperature threshold T11 when, control device 50 can control kitchen range 20 every the alarm of sending in 60 seconds Sound, each alarm sound is for 3 seconds, and alarm sound is low frequency alarm sound.When the temperature of cookware 30 is greater than time of fire alarming threshold value When W16 and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T11 of kitchen range 20 at this time, control device 50 can control kitchen range 20 every the alarm sound of sending in 30 seconds, and each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.Work as cookware When 30 temperature is greater than the anti-dry threshold value T11 of kitchen range 20, in one embodiment, control kitchen range 20 are closed and control kitchen range 20 Stop alert.In another embodiment, control kitchen range 20 close and continue to control the sending alarm signal of kitchen range 20 Breath, the voice that warning message can be turned off for prompt kitchen range 20, this is not restricted for warning message, can carry out according to actual needs Setting.
Embodiment nine: when kitchen range 20 are in small fire, the anti-dry temperature threshold of kitchen range 20 is set as T12=(Tb+60) ℃.In one embodiment, when the quantity of the time of fire alarming threshold value of kitchen range 20 is one, time of fire alarming threshold value be may be configured as W17=1.0h.Determine kitchen range 20 be in have water cooking status when, that is to say, that detect cookware 30 cookware boiling temperature Spend TbWhen start timing, when the temperature of cookware 30 is not more than the anti-dry temperature threshold T12 of kitchen range 20 after 1.0h and at this time, Control kitchen range 20 issue warning message corresponding with there is the firepower of water cooking status and kitchen range 20 and alarm, for example, control Device 50 can control kitchen range 20 every the alarm sound of sending in 60 seconds, and each alarm sound is for 3 seconds.In another embodiment In, when the quantity of the time of fire alarming threshold value of kitchen range 20 is two, time of fire alarming threshold value may be configured as W17=1.0h and W18= 1.2h.When the temperature of cookware 30 is greater than time of fire alarming threshold value W18 and is less than or equal to W18 and the temperature of cookware 30 is not at this time Greater than kitchen range 20 anti-dry temperature threshold T12 when, control device 50 can control kitchen range 20 every the alarm of sending in 60 seconds Sound, each alarm sound is for 3 seconds, and alarm sound is low frequency alarm sound.When the temperature of cookware 30 is greater than time of fire alarming threshold value When W18 and when the temperature of cookware 30 is not more than the anti-dry temperature threshold T12 of kitchen range 20 at this time, control device 50 can control kitchen range 20 every the alarm sound of sending in 30 seconds, and each alarm sound is for 3 seconds, and alarm sound is high frequency alarm sound.Work as cookware When 30 temperature is greater than the anti-dry threshold value T12 of kitchen range 20, in one embodiment, control kitchen range 20 are closed and control kitchen range 20 Stop alert.In another embodiment, control kitchen range 20 close and continue to control the sending alarm signal of kitchen range 20 Breath, the voice that warning message can be turned off for prompt kitchen range 20, this is not restricted for warning message, can carry out according to actual needs Setting.
Seven, embodiment eight, embodiment nine and kitchen range 20 are in anhydrous cooking status situation according to fire based on the above embodiments Anti-dry temperature threshold set by power can be summarized as the process two of following control method.
Process two (refering to fig. 1 4)
A1, kitchen range 20 are opened.
A2,40 temperature collection T of temperature sensork。
A3, control device 50 determine the cooking status of kitchen range 20.If kitchen range 20, which are in, water cooking status, enter step A4；If kitchen range 20 are in anhydrous cooking status, A9 is entered step.
A4, start timing.
A5, control device 50 read the size of the current firepower P of kitchen range 20.
A6, control device 50 judge whether the temperature of the cookware 30 of current detection is more than and has water cooking status and kitchen range 20 The corresponding anti-dry temperature threshold of current firepower.If being more than, A11 is entered step；If being not above, A7 is entered step.
A7, control device 50 judge whether the duration of the timing currently added up is more than and has water cooking status, kitchen range 20 Current firepower and the corresponding time of fire alarming threshold value of warning message.If being more than, A8 is entered step；If being not above, enter step A2。
A8, control device 50 control buzzer and carry out warning message corresponding with time of fire alarming threshold value, and return step A2.
A9, control device 50 read the size of the current firepower P of kitchen range 20.
A10, control device 50 judge the cookware 30 of current detection temperature whether be more than and anhydrous cooking status and kitchen range The corresponding anti-dry temperature threshold of 20 current firepower.If being more than, A11 is entered step；If being not above, A2 is entered step.
A11, control kitchen range 20 are closed.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", specific examples or " some examples " etc. means the tool described in conjunction with the embodiment or example Body characteristics, structure, material or feature are contained at least one embodiment or example of the invention.In the present specification, Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (such as computer based system, including the system of processing module or other can be from instruction Execute system, device or equipment instruction fetch and the system that executes instruction) use, or combine these instruction execution systems, device or Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any may include, store, communicating, propagating or Transfer program uses for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment Device.The more specific example (non-exhaustive list) of computer-readable medium include the following: there are one or more wirings Electrical connection section (control method), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of embodiments of the present invention can be with hardware, software, firmware or their combination come real It is existing.In the above-described embodiment, multiple steps or method can be with storages in memory and by suitable instruction execution system The software or firmware of execution is realized.For example, if realized with hardware, in another embodiment, ability can be used Any one of following technology or their combination well known to domain is realized: being had for realizing logic function to data-signal The discrete logic of logic gates, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, each functional unit in various embodiments of the present invention can integrate in a processing module, it can also To be that each unit physically exists alone, can also be integrated in two or more units in a module.It is above-mentioned integrated Module both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module If in the form of software function module realize and when sold or used as an independent product, also can store one calculating In machine read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
Although embodiments of the present invention have been shown and described above, it is to be understood that above embodiment is Illustratively, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be right Above-mentioned implementation implementation is changed, modifies, replacement and variant.

Claims (11)

1. a kind of control method of anti-dry, it to be used for kitchen range, which is characterized in that the control method of the anti-dry includes:
Acquire the temperature of cookware；
Determine whether the kitchen range have been in water cooking status according to the temperature of the cookware；
When determining that the kitchen range have water cooking status described in, start timing；
When the temperature that the duration of the timing is greater than the time of fire alarming threshold value of the kitchen range and the cookware is not more than the kitchen range Anti-dry temperature threshold when, control the kitchen range alert；
When the temperature of the cookware is greater than the anti-dry temperature threshold of the kitchen range, controls the kitchen range and close.
2. control method as described in claim 1, which is characterized in that the control method includes:
The current firepower of the kitchen range is acquired, and corresponding first anti-dry temperature value is obtained according to the current firepower of the kitchen range With the first alarm time value, and by the first anti-dry temperature value it sets the anti-dry temperature threshold of the kitchen range and by institute State the time of fire alarming threshold value that the first alarm time value is set as the kitchen range, the anti-dry of the firepower of the kitchen range and the kitchen range Temperature threshold is positively correlated, and the time of fire alarming threshold value of the firepower of the kitchen range and the kitchen range is negatively correlated.
3. control method as described in claim 1, which is characterized in that whether determine the kitchen range according to the temperature of the cookware In there is water cooking status, comprising:
Judge that the cookware whether there is boiling section according to the temperature of the cookware,
If so, determining that the kitchen range are in described and have water cooking status；
If it is not, determining that the kitchen range are in anhydrous cooking status.
4. control method as claimed in claim 3, which is characterized in that judge whether there is boiling according to the temperature of the cookware Section, comprising:
Judge whether the quantity of the temperature of the collected cookware is greater than preset quantity；
If so, the change rate of the temperature of the cookware in preset duration is calculated, when the change rate of the temperature is less than or equal in advance If when value, determining the cookware there are the boiling section and using the Current Temperatures of the cookware as the boiling of the cookware of the cookware Temperature；
When the change rate of the temperature is greater than the preset value, determining the cookware, there is no the boiling sections.
5. control method as claimed in claim 4, which is characterized in that the variation of the temperature of the cookware in the preset duration Rate comprises at least one of the following:
In the preset duration in the temperature of the cookware and the preset duration difference of the average value of the temperature of cookware it is absolute The sum of value；
Slope of the temperature of the cookware to the time in the preset duration；
The variance of the temperature of the cookware in the preset duration；
The standard deviation of the temperature of the cookware in the preset duration.
6. control method as claimed in claim 4, which is characterized in that the control method includes: when the kitchen range are in institute When having stated water cooking status, the thermal conductivity of the cookware is obtained according to the temperature of the cookware, acquires the current fire of the kitchen range Power simultaneously obtains the corresponding time of fire alarming threshold value and described according to the thermal conductivity of the current firepower of the kitchen range and the cookware The anti-dry temperature threshold of kitchen range.
7. control method as claimed in claim 6, which is characterized in that according to the current firepower of the kitchen range and the cookware Thermal conductivity obtains the anti-dry temperature threshold of the corresponding time of fire alarming threshold value and the kitchen range, comprising:
Judge whether the cookware boiling temperature of the cookware is less than or equal to and preset thermally conductive temperature,
If so, obtaining the second anti-dry temperature value and the second report according to the thermal conductivity of the current firepower of the kitchen range and the cookware Alert time value, and set the anti-dry temperature threshold of the kitchen range for the second anti-dry temperature value and reported described second Alert time value is set as the time of fire alarming threshold value of the kitchen range.
If it is not, obtaining third anti-dry temperature value and third report according to the thermal conductivity of the current firepower of the kitchen range and the cookware Alert time value, and by the third anti-dry temperature value set the anti-dry temperature threshold of the kitchen range and by the third report Alert time value is set as the time of fire alarming threshold value of the kitchen range；
The third anti-dry temperature value is greater than the second anti-dry temperature value, and the third alarm time value is greater than described the Two alarm time values.
8. control method as described in claim 1, which is characterized in that the control method includes:
Determine the kitchen range be in anhydrous cooking status and when the cookware temperature be greater than the kitchen range anti-dry threshold value When, it controls the kitchen range and closes.
9. control method as described in claim 1, which is characterized in that the time of fire alarming threshold value includes different multiple alarms Time threshold, the multiple time of fire alarming threshold value limit multiple alarm ranges, and the warning message includes multiple warning messages, Each corresponding warning message of the alarm range, controls the kitchen range alert, comprising:
It is corresponding with the alarm range to control the kitchen range sending for the alarm range according to locating for the duration of the timing The warning message.
10. control method as described in claim 1, which is characterized in that the control method includes:
Receive alarm command for stopping；
According to the alarm command for stopping, controls the kitchen range and stop issuing the warning message.
11. a kind of anti-dry system, which is characterized in that including kitchen range and control device, the control device connects the kitchen range, The step of control device described in any item for realizing claims 1 to 10 control method.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110488696A (en) * 2019-08-12 2019-11-22 上海达显智能科技有限公司 A kind of intelligent dry-combustion-proof method and system
CN110736113A (en) * 2019-10-25 2020-01-31 佛山市顺德区美的洗涤电器制造有限公司 Water boiling control method, cooking appliance, cooking system and readable storage medium
CN111853864A (en) * 2020-06-30 2020-10-30 宁波方太厨具有限公司 Cooker-leaving working method of cooker and cooker applying method
CN113757733A (en) * 2021-08-19 2021-12-07 宁波方太厨具有限公司 Control method and system of gas stove
CN114060873A (en) * 2021-11-18 2022-02-18 华帝股份有限公司 Pot support, control method thereof and stove

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105045190A (en) * 2015-07-08 2015-11-11 烟台威兹曼智能信息技术有限公司 Method for carrying out safety monitoring and early warning on kitchen work environment and system
WO2016181191A1 (en) * 2015-05-12 2016-11-17 Yougreen Limited Gas burner safety device, system and alarm
CN106642223A (en) * 2016-10-31 2017-05-10 青岛海高设计制造有限公司 Timing device of gas stove and gas stove
CN107692853A (en) * 2017-07-14 2018-02-16 浙江绍兴苏泊尔生活电器有限公司 Control method of cooking appliance
CN108332240A (en) * 2018-01-10 2018-07-27 广东美的厨房电器制造有限公司 Gas-cooker and its control method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016181191A1 (en) * 2015-05-12 2016-11-17 Yougreen Limited Gas burner safety device, system and alarm
CN105045190A (en) * 2015-07-08 2015-11-11 烟台威兹曼智能信息技术有限公司 Method for carrying out safety monitoring and early warning on kitchen work environment and system
CN106642223A (en) * 2016-10-31 2017-05-10 青岛海高设计制造有限公司 Timing device of gas stove and gas stove
CN107692853A (en) * 2017-07-14 2018-02-16 浙江绍兴苏泊尔生活电器有限公司 Control method of cooking appliance
CN108332240A (en) * 2018-01-10 2018-07-27 广东美的厨房电器制造有限公司 Gas-cooker and its control method

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CN110488696A (en) * 2019-08-12 2019-11-22 上海达显智能科技有限公司 A kind of intelligent dry-combustion-proof method and system
CN110488696B (en) * 2019-08-12 2021-05-25 上海达显智能科技有限公司 Intelligent dry burning prevention method and system
CN110736113A (en) * 2019-10-25 2020-01-31 佛山市顺德区美的洗涤电器制造有限公司 Water boiling control method, cooking appliance, cooking system and readable storage medium
CN111853864A (en) * 2020-06-30 2020-10-30 宁波方太厨具有限公司 Cooker-leaving working method of cooker and cooker applying method
CN113757733A (en) * 2021-08-19 2021-12-07 宁波方太厨具有限公司 Control method and system of gas stove
CN114060873A (en) * 2021-11-18 2022-02-18 华帝股份有限公司 Pot support, control method thereof and stove
CN114060873B (en) * 2021-11-18 2023-05-12 华帝股份有限公司 Pot support, control method thereof and kitchen range

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