阅读说明：本技术 一种烹饪器具的干烧保护方法、烹饪器具及存储介质 (A kind of dry combustion method guard method, cooking apparatus and the storage medium of cooking apparatus ) 是由 朱泽春 李善昊 周建东 于 2019-08-27 设计创作，主要内容包括：本申请公开了一种烹饪器具的干烧保护方法、烹饪器具及存储介质,涉及家电领域,能够解决因测温传感器检测到不准确的温度而使电压力锅干烧的技术问题。该方法可以应用于一种烹饪器具。其中,烹饪器具包括锅体、锅盖和内胆,内胆放置在锅体内,锅体底部设有测温传感器和加热装置。当内胆放入锅体后,执行如下方法包括：烹饪的开始时刻,在第一预设时段内获取烹饪器具底部的第一温度变化值；若第一温度变化值在预设区间内,则判定测温传感器与内胆之间为冷热态平衡；当冷热态平衡后,控制烹饪器具进行干烧检测,并使干烧状态的烹饪器具停止加热或是采用降低后的加热功率进行加热。(This application discloses dry combustion method guard method, cooking apparatus and the storage mediums of a kind of cooking apparatus, are related to field of household appliances, be able to solve because temperature transducer detect inaccuracy temperature due to make electric pressure cooking saucepan dry combustion method the technical issues of.This method can be applied to a kind of cooking apparatus.Wherein, cooking apparatus includes pot body, pot cover and liner, and liner is placed in pot body, and bottom of pot body is equipped with temperature transducer and heating device.After liner is put into pot body, executes at the beginning of following method includes: culinary art, the first temperature change value of cooking apparatus bottom is obtained in the first preset period of time；If the first temperature change value in pre-set interval, determines to balance between temperature transducer and liner for cold and hot；After cold and hot balance, control cooking apparatus carries out dry combustion method detection, and the cooking apparatus of dry-fire condition is made to stop heating or be heated using the heating power after reducing.)

1. a kind of dry combustion method guard method of cooking apparatus, which is characterized in that the cooking apparatus includes pot body, pot cover and liner, Liner is placed in pot body, and bottom of pot body is equipped with temperature transducer and heating device, after the liner is put into pot body, is executed such as Lower method includes:

At the beginning of culinary art, the first temperature change value of the cooking apparatus bottom is obtained in the first preset period of time；

If first temperature change value in pre-set interval, determines between the temperature transducer and the liner to be cold and hot State balance；

It after cold and hot balance, controls the cooking apparatus and carries out dry combustion method detection, and the cooking apparatus of dry-fire condition is made to stop adding Heating power after heat or use reduce is heated.

2. the method according to claim 1, wherein the cooking apparatus carries out the process of dry combustion method detection, comprising:

The second temperature changing value of the cooking apparatus bottom is obtained in the second preset period of time, second preset period of time rises Begin the cut-off time that the moment is first preset period of time；

According to the size relation between the second temperature changing value and first threshold, determine that the second temperature changing value is greater than Or dry-fire condition is in equal to the cooking apparatus of the first threshold.

3. according to the method described in claim 2, it is characterized in that, first temperature change value is the first temperature value and second The absolute value of difference between temperature value, first temperature value are cooking apparatus bottom the opening in first preset period of time The temperature value at moment beginning, the second temperature value are cut-off time of the cooking apparatus bottom in first preset period of time Temperature value.

4. according to the method described in claim 3, it is characterized in that, described obtain the cooking apparatus in the second preset period of time The second temperature changing value of bottom, comprising:

In the cut-off time of second preset period of time, controls the cooking apparatus and stop heating, and obtain the cooking apparatus The third temperature value of bottom；

By difference between the third temperature value and second temperature value, it is determined as the second temperature changing value, second temperature Angle value is temperature value of the cooking apparatus bottom in the cut-off time of first preset period of time.

5. according to the method described in claim 2, it is characterized in that, the value of second preset period of time and the cooking apparatus Underlying parameter, calling cooking function and in environmental parameter at least one of matching.

6. the method according to claim 1, wherein if first temperature change value in pre-set interval, institute State method further include:

It controls the cooking apparatus and carries out low wash water detection, and the cooking apparatus of low wash water state is made to stop heating or using drop Heating power after low is heated.

7. according to the method described in claim 6, it is characterized in that, the temperature of the cooking apparatus bottom of the low wash water state becomes Change value is positively correlated with the time.

8. according to the method described in claim 6, it is characterized in that, the cooking apparatus carries out the process of low wash water detection, packet It includes:

The third temperature change value of the cooking apparatus bottom is obtained in third preset period of time；

If the third temperature change value is greater than or equal to second threshold, the third preset period of time is updated to and described the The adjacent subsequent period of three preset period of time, and the third temperature change value and described second of the cooking apparatus bottom is obtained again Threshold value comparison, until third temperature change value is greater than or equal to the number that the second threshold continuously occurs and reaches preset times, Determine that the cooking apparatus is in the low wash water state；

If the third temperature change value is less than the second threshold, terminate the low wash water detection of this cooking apparatus.

9. a kind of cooking apparatus, which is characterized in that on a memory and can be on a processor including memory, processor and storage The computer program of operation, the processor realize any one of the claims 1 to 8 when executing the computer program The method.

10. a kind of computer readable storage medium, which is characterized in that the storage medium is stored with computer program, the meter Method described in any one of the claims 1 to 8 is realized when calculation machine program is executed by processor.

This application involves dry combustion method guard method, cooking apparatus and the storages of field of household appliances more particularly to a kind of cooking apparatus Medium.

As the cooking apparatus such as the development of field of household appliances, especially electric pressure cooking saucepan enter every family, user for Cooking apparatus there has also been higher demands using safe.By taking electric pressure cooking saucepan as an example, electric pressure cooking saucepan on the market usually has at present Standby dry burning protection function, in the case where its object is to prevent user from injecting water in the liner not to electric pressure cooking saucepan or When water in liner dryouies, the dry combustion method protection to electric pressure cooking saucepan can be realized by way of stopping heating.It in this way can be effective The generation for preventing electric pressure cooking saucepan safety problems such as fire because of caused by dry combustion method, improves the safety in utilization of electric pressure cooking saucepan.

The triggering of dry burning protection function at present be all often after electric pressure cooking saucepan is heated to a certain limit temperature point, though at this time It so stopped the heating to electric pressure cooking saucepan.However in the practical work process of electric pressure cooking saucepan, it is likely that it is protected from environmental, The temperature inaccuracy that the temperature transducer that electric pressure cooking saucepan bottom is arranged detects.For example, the temperature detected in temperature transducer When degree is lower than actual temperature, it is likely that the temperature of electric pressure cooking saucepan bottom has reached the limit temperature, does not stop to Voltage force but The heating of pot, can still make electric pressure cooking saucepan dry combustion method in this way.

The application provides dry combustion method guard method, cooking apparatus and the storage medium of a kind of cooking apparatus, to solve because of thermometric The technical issues of sensor detects the temperature of inaccuracy and makes electric pressure cooking saucepan dry combustion method.

To solve the above problems, technical solution provided by the present application is as follows:

In a first aspect, the embodiment of the present application provides a kind of dry combustion method guard method of cooking apparatus.This method can be applied to A kind of cooking apparatus.Wherein, cooking apparatus includes pot body, pot cover and liner, and liner is placed in pot body, and bottom of pot body, which is equipped with, to be surveyed Temperature sensor and heating device.After liner is put into pot body, execute at the beginning of following method includes: culinary art, it is pre- first If obtaining the first temperature change value of cooking apparatus bottom in the period；If the first temperature change value determines in pre-set interval It is balanced between temperature transducer and liner for cold and hot；After cold and hot balance, control cooking apparatus carries out dry combustion method detection, and makes The cooking apparatus of dry-fire condition is stopped heating or is heated using the heating power after reducing.

In one implementation, cooking apparatus carries out the process of dry combustion method detection, may be implemented are as follows: in the second preset period of time The interior second temperature changing value for obtaining cooking apparatus bottom, the initial time of the second preset period of time are the cut-off of the first preset period of time Moment；According to the size relation between second temperature changing value and first threshold, determine that second temperature changing value is greater than or equal to The cooking apparatus of first threshold is in dry-fire condition.

In one implementation, the first temperature change value between the first temperature value and second temperature value difference it is absolute Value, the first temperature value are temperature value of cooking apparatus bottom at the beginning of the first preset period of time, and second temperature value is culinary art Temperature value of the utensil bottom in the cut-off time of the first preset period of time.

In one implementation, the second temperature changing value that cooking apparatus bottom is obtained in the second preset period of time, can To realize are as follows: in the cut-off time of the second preset period of time, control cooking apparatus and stop heating, and obtain the of cooking apparatus bottom Three temperature values；By difference between third temperature value and second temperature value, it is determined as second temperature changing value, second temperature value is to cook Prepare food utensil bottom the cut-off time of the first preset period of time temperature value.

In one implementation, the underlying parameter of the value of the second preset period of time and cooking apparatus, calling culinary art function At least one matching in energy and environmental parameter.

In one implementation, if the first temperature change value is in pre-set interval, this method can also include: that control is cooked Utensil of preparing food carries out low wash water detection, and the cooking apparatus of low wash water state is made to stop heating or using the heating power after reducing It is heated.

In one implementation, the temperature change value of the cooking apparatus bottom of low wash water state is positively correlated with the time.

In one implementation, cooking apparatus carries out the process of low wash water detection, may be implemented are as follows: when third is preset The third temperature change value of cooking apparatus bottom is obtained in section；It, will if third temperature change value is greater than or equal to second threshold Third preset period of time is updated to the subsequent period adjacent with third preset period of time, and obtains the third temperature of cooking apparatus bottom again Changing value is spent compared with second threshold, until third temperature change value is greater than or equal to the number that second threshold continuously occurs and reaches Preset times determine that cooking apparatus is in low wash water state；If third temperature change value is less than second threshold, terminates this and cook Prepare food utensil low wash water detection.

Second aspect, the embodiment of the present application provide a kind of cooking apparatus.Wherein, cooking apparatus includes pot body, pot cover and interior Gallbladder, liner are placed in pot body, and bottom of pot body is equipped with temperature transducer and heating device.Cooking apparatus can also include:

Module is obtained, at the beginning of culinary art, culinary art to be obtained in the first preset period of time after liner is put into pot body First temperature change value of utensil bottom.

Processing module, if the first temperature change value for obtaining module acquisition in pre-set interval, determines that thermometric passes It is balanced between sensor and liner for cold and hot.

Control module, for after processing module determines cold and hot balance, control cooking apparatus to carry out dry combustion method detection, and makes The cooking apparatus of dry-fire condition is stopped heating or is heated using the heating power after reducing.

In one implementation, control module is also used to obtain the of cooking apparatus bottom in the second preset period of time Two temperature change values, the initial time of the second preset period of time are the cut-off time of the first preset period of time.

Processing module is also used to determine the second temperature according to the size relation between second temperature changing value and first threshold The cooking apparatus that degree changing value is greater than or equal to first threshold is in dry-fire condition.

In one implementation, the first temperature change value between the first temperature value and second temperature value difference it is absolute Value, the first temperature value are temperature value of cooking apparatus bottom at the beginning of the first preset period of time, and second temperature value is culinary art Temperature value of the utensil bottom in the cut-off time of the first preset period of time.

In one implementation, control module is also used to the cut-off time in the second preset period of time, controls cooking apparatus Stop heating, and obtains the third temperature value of cooking apparatus bottom by obtaining module.

Processing module is also used to difference between third temperature value and second temperature value being determined as second temperature changing value, Second temperature value is temperature value of the cooking apparatus bottom in the cut-off time of the first preset period of time.

In one implementation, the underlying parameter of the value of the second preset period of time and cooking apparatus, calling culinary art function At least one matching in energy and environmental parameter.

In one implementation, control module, if being also used to the first temperature change value in pre-set interval, control culinary art Utensil carry out low wash water detection, and make low wash water state cooking apparatus stop heating or using reduce after heating power into Row heating.

In one implementation, the temperature change value of the cooking apparatus bottom of low wash water state is positively correlated with the time.

In one implementation, module is obtained, is also used to obtain the of cooking apparatus bottom in third preset period of time Three temperature change values.

Processing module, if being also used to third temperature change value more than or equal to second threshold, more by third preset period of time It is newly the subsequent period adjacent with third preset period of time, and again by the third temperature for obtaining module acquisition cooking apparatus bottom Changing value is compared with second threshold, until third temperature change value is greater than or equal to the number that second threshold continuously occurs and reaches pre- If number, determine that cooking apparatus is in low wash water state；If third temperature change value is less than second threshold, pass through control module Terminate the low wash water detection of this cooking apparatus.

The third aspect, the application provide a kind of cooking apparatus, including memory, processor and storage are on a memory and can The computer program run on a processor, processor realize above-mentioned first aspect and its various possibility when executing computer program Any one of implementation method.

Fourth aspect, the application provide a kind of computer readable storage medium.Storage medium is stored with computer program, meter Calculation machine program realizes any one of above-mentioned first aspect and its various possible implementations method when being executed by processor.

It is compared to the case where temperature transducer in the prior art detects the temperature of inaccuracy and makes electric pressure cooking saucepan dry combustion method For, in the embodiment of the present application, determined in conjunction with the first temperature change value got whether cold between temperature transducer and liner Balance of heat, and in the case where cold and hot balance, control cooking apparatus carries out dry combustion method detection, so that the cooking pot of dry-fire condition Have by way of stopping heating or being heated using the heating power after reducing, the dry combustion method of Lai Shixian cooking apparatus is protected Shield.

Due to the reflection of the first temperature change value be cooking apparatus bottom whithin a period of time temperature change degree, and it is warm Whether the cold and hot that the degree of degree variation tends to reflection cooking apparatus entirety balances.For the cooking apparatus of cold and hot balance For, the accuracy for the temperature that subsequent temperature transducer detects is higher, therefore, can effectively avoid detecting because of temperature transducer To the temperature of inaccuracy.Under the conditions of relatively accurate thermometric, cooking apparatus can be realized accordingly according to the temperature detected Dry combustion method detection, to realize dry combustion method protection in the case where needing that dry combustion method is taken to protect.

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is the dry combustion method guard method flow chart one of cooking apparatus provided by the embodiments of the present application；

Fig. 2 is the dry combustion method guard method flowchart 2 of cooking apparatus provided by the embodiments of the present application；

Fig. 3 is the dry combustion method guard method flow chart 3 of cooking apparatus provided by the embodiments of the present application；

Fig. 4 is that flow chart is protected in a kind of dry combustion method of cooking apparatus provided by the embodiments of the present application；

Fig. 5 is the dry combustion method guard method flow chart four of cooking apparatus provided by the embodiments of the present application；

Fig. 6 is the dry combustion method guard method flow chart five of cooking apparatus provided by the embodiments of the present application；

Fig. 7 is that a kind of low wash water of cooking apparatus provided by the embodiments of the present application protects flow chart；

Fig. 8 is the structural schematic diagram one of cooking apparatus provided by the embodiments of the present application；

Fig. 9 is the structural schematic diagram two of cooking apparatus provided by the embodiments of the present application.

Specific embodiment

For the clearer general idea for illustrating the application, carry out in an illustrative manner with reference to the accompanying drawings of the specification detailed It describes in detail bright.

The embodiment of the present application provides a kind of cooking apparatus.The cooking apparatus may include pot body, pot cover and liner.Liner is put It sets in pot body, bottom of pot body is equipped with temperature transducer and heating device.Wherein, temperature transducer can be used for detecting cooking pot Has the temperature of bottom, heating device can use heating inner liner, so that the substance being contained in liner is cooked.In the application reality It applies in example, which can be the food processing apparatus such as electric pressure cooking saucepan, and the type of cooking apparatus is refused herein It limits.

The embodiment of the present application provides a kind of dry combustion method guard method of cooking apparatus, can be applied in above-mentioned cooking apparatus, After liner is put into pot body, method and step as shown in Figure 1 can be executed:

At the beginning of S101, culinary art, the first temperature change value of cooking apparatus bottom is obtained in the first preset period of time.

Wherein, the absolute value of the first temperature change value difference between the first temperature value and second temperature value, the first temperature Value is temperature value of cooking apparatus bottom at the beginning of the first preset period of time, and second temperature value is cooking apparatus bottom the The temperature value of the cut-off time of one preset period of time.

In the embodiment of the present application, a period after the first preset period of time can begin to warm up for cooking apparatus, first The a certain moment at the beginning of the initial time of preset period of time can be heating process or in heating process.Wherein, for It is at the beginning of the initial time of the first preset period of time can be entire heating process or whole for the case where intermittent-heating The corresponding state of moment in fact at a certain moment in a heating process, i.e. the first preset period of time can be stopping heating, beginning In heating or heating.

It should be noted that the duration of the first preset period of time, the initial time of the first preset period of time and cut-off time etc. join Several setting means, specific value etc. not limit herein.

Above-mentioned first temperature value can be identical or different from second temperature value.The first temperature value and second temperature value not With in the case where, the first temperature value, which can be less than second temperature value or the first temperature value, can be greater than second temperature value.

For example, the temperature of boiler of cooking apparatus is lower, it is cold pot state, then after being heated to liner, the temperature of liner A higher temperature can be risen in a short time, and for the pot body of cold pot state, then it will be from a lower temperature Degree gradually rise to temperature similar in liner.In this course, the data that temperature transducer detects are by environment temperature It influences (being influenced by pot body low temperature), it may occur that biggish fluctuation.At this point, the first temperature value detected will usually be less than Two temperature values, and between the first temperature value and second temperature value difference absolute value it is larger.

For another example, for cooking apparatus after heating a period of time, temperature of boiler is higher, is hot pot state, then in liner Inject cold water after, the temperature of liner can drop to a lower temperature in a short time, and for the pot body of hot pot state and Speech, then will gradually drop to and temperature similar in liner from a higher temperature.In this course, temperature transducer detects The data arrived are influenced and (are influenced by pot body high temperature) by environment temperature, it may occur that biggish fluctuation.At this point, detect One temperature value is typically larger than second temperature value, and between the first temperature value and second temperature value difference absolute value it is larger.

It can be seen that difference can be positive or be negative between the first temperature value and second temperature value.Implement in the application In example, it can be determined between temperature transducer and liner whether to be that cold and hot is flat according to the size of the absolute value of this difference Whether relatively stable, effective weighing apparatus, i.e. temperature detected by temperature transducer be, can specifically refer to S102.

If S102, the first temperature change value in pre-set interval, determine between temperature transducer and liner for cold and hot Balance.

Wherein, pre-set interval can be preset before cooking apparatus factory, specifically can be according to historical experience value, thermometric It one in the parameters such as retardance, the measurement accuracy of temperature transducer of sensor or multinomial determines.Subsequent user can be with According to one in the specific requirements of dry combustion method protection, the parameters such as extent of deterioration of cooking apparatus or multinomial pre-set interval is carried out Adjustment.It should be noted that in the embodiment of the present application, for the set-up mode of pre-set interval, adjustment mode, specific value etc. Not limit.

In the embodiment of the present application, pre-set interval can be a value range, alternatively, in one implementation, also Can be compared according to the first temperature change value with a certain constant, with determine between temperature transducer and liner whether cold and hot Balance.For example, then determining flat for cold and hot between temperature sensor and liner when the first temperature change value is less than preset constant Weighing apparatus.Wherein, the set-up mode of preset constant, adjustment mode, specific value etc. are similar with pre-set interval, and it will not be described here.When So, during realization, other realization rates can also be used whether to determine between temperature transducer and liner for cold and hot Balance.

S103, after cold and hot balance, control cooking apparatus carries out dry combustion method detection, and stops the cooking apparatus of dry-fire condition It only heats or is heated using the heating power after reducing.

In view of the temperature that when temperature difference is larger between pot body and liner, temperature transducer is detected can reflect thermometric Cold and hot lack of equilibrium between sensor and liner, and carry out the testing result that dry combustion method detects at this time and more or less will receive shadow It rings, is easy to produce larger decision errors, therefore, in the embodiment of the present application, dry combustion method of setting out again after cold and hot balance detected Journey.Wherein, the specific implementation of dry combustion method detection process can propose that it will not be described here below.

In the embodiment of the present application, what the cooking apparatus of dry-fire condition referred to can be the cooking apparatus i.e. by dry combustion method, or There are the cooking apparatus of dry combustion method trend.It also means that, in the embodiment of the present application, the cooking apparatus of dry-fire condition can be for also The cooking apparatus of non-dry combustion method, it is of course also possible to be the cooking apparatus of dry combustion method.It can be seen that provided by the embodiments of the present application Dry combustion method guard method can be to i.e. by the protection of the cooking apparatus of dry combustion method, i.e. dry combustion method precautionary measures, or to having done Security risk existing for dry combustion method cooking apparatus is eliminated in the protection of the cooking apparatus of burning, diminution cooking apparatus dry combustion method as far as possible Duration, with ensure user use cooking apparatus safety.

It is compared to the case where temperature transducer in the prior art detects the temperature of inaccuracy and makes electric pressure cooking saucepan dry combustion method For, in the embodiment of the present application, determined in conjunction with the first temperature change value got whether cold between temperature transducer and liner Balance of heat, and in the case where cold and hot balance, control cooking apparatus carries out dry combustion method detection, so that the cooking pot of dry-fire condition Have by way of stopping heating or being heated using the heating power after reducing, the dry combustion method of Lai Shixian cooking apparatus is protected Shield.

Due to the reflection of the first temperature change value be cooking apparatus bottom whithin a period of time temperature change degree, and it is warm Whether the cold and hot that the degree of degree variation tends to reflection cooking apparatus entirety balances.For the cooking apparatus of cold and hot balance For, the accuracy for the temperature that subsequent temperature transducer detects is higher, therefore, can effectively avoid detecting because of temperature transducer To the temperature of inaccuracy.Under the conditions of relatively accurate thermometric, cooking apparatus can be realized accordingly according to the temperature detected Dry combustion method detection, to realize dry combustion method protection in the case where needing that dry combustion method is taken to protect.

In addition, dry combustion method detection process can be different from the implementation that ordinary temperature value compares in the prior art, in this Shen Please be in embodiment, dry combustion method detection process has a more perfect detection architecture, specific implementation, can be with reference to hereafter, herein not It gives and repeating.

In the prior art, after the cessation of the heating, temperature still will continue to rise electric pressure cooking saucepan within subsequent a period of time, and Due to electric pressure cooking saucepan dry combustion method, the temperature that the ascendant trend of electric pressure cooking saucepan bottom temp is higher than normal heating process, which rises, to become Gesture, so that the temperature of electric pressure cooking saucepan entirety be made to rise to higher temperature interior in short-term.It is likely to cause electric pressure cooking saucepan portion in this way Deformation, damage of part etc., to reduce the service life of electric pressure cooking saucepan.Also, it in the deformation of electric pressure cooking saucepan component, damages more When serious, it is also possible to further cause other safety problems such as gas leakage, influence user experience.To solve the above-mentioned problems, In a kind of implementation of the embodiment of the present application, a kind of variation by cooking apparatus bottom temp in heating process is proposed Degree, the mode of Lai Shixian dry combustion method detection.As shown in Fig. 2, cooking apparatus carry out dry combustion method detection process, may include S201 and S202。

S201, the second temperature changing value that cooking apparatus bottom is obtained in the second preset period of time.

Wherein, the initial time of the second preset period of time can be the cut-off time of the first preset period of time.It is passed in this way in thermometric During sensor temperature collection, the first temperature change value and second temperature changing value, can only pass through acquisition three in order to obtain The temperature at a moment can finally obtain two temperature change values, i.e. the first temperature change value and second temperature changing value.And And due to being balanced between temperature transducer and liner for cold and hot, therefore, using first when obtaining second temperature changing value The cut-off time of preset period of time collected temperature will not generate excessive influence to the accuracy of second temperature changing value.

In the embodiment of the present application, the value of the second preset period of time can be with the underlying parameter of cooking apparatus, cooking of calling At least one matching in function of preparing food and environmental parameter.Wherein, underlying parameter refers to that specification of cooking apparatus etc. is joined Number, for example, operating power of the cooking apparatus of different model etc. may be different, therefore, the cooking apparatus pair of different model The second preset period of time answered can be different；Environmental parameter refers to the parameters such as environment temperature, humidity, it is contemplated that environment Influence for cooking apparatus work, therefore, environmental parameter may also become the affecting parameters of the second preset period of time setting, than Such as, corresponding second preset period of time of same a cooking apparatus in two geographical locations to differ greatly applied to longitude and latitude can have Institute is different.It should be noted that the parameters such as the duration of the second preset period of time, the initial time of the second preset period of time and cut-off time Setting means, specific value etc., not limit herein.

S202, according to the size relation between second temperature changing value and first threshold, determine that second temperature changing value is big Dry-fire condition is in or equal to the cooking apparatus of first threshold.

Wherein, first threshold can be preset before cooking apparatus factory, specifically can be according to historical experience value, thermometric It one in the parameters such as retardance, the measurement accuracy of temperature transducer of sensor or multinomial determines.Subsequent user can be with According to one in the specific requirements of dry combustion method protection, the parameters such as extent of deterioration of cooking apparatus or multinomial pre-set interval is carried out Adjustment.It should be noted that in the embodiment of the present application, for the set-up mode of first threshold, adjustment mode, specific value etc. Not limit.

The bottom temp of cooking apparatus in normal heating often changes linearly, or levels off to linear variation, I.e. bottom temp is usually proportional with the time.And the bottom temp of the cooking apparatus in dry combustion method is often in nonlinear change, and The variation degree of bottom temp when the variation degree of bottom temp is greater than normal heating, under normal circumstances, the culinary art of equivalent specifications For utensil under the conditions of identical culinary art, biggish transformation can occur whithin a period of time in the cooking apparatus temperature changing trend of dry combustion method, I.e. bottom temp sharply increases, aberrant linear variability law.It therefore, in the embodiment of the present application, can direct basis The size of bottom temp variation determines whether cooking apparatus is in dry-fire condition.

In a kind of implementation of the embodiment of the present application, the acquisition opportunity of second temperature changing value and the first temperature change The acquisition opportunity of value, there are certain relevances, i.e. temperature value of the cooking apparatus bottom in the cut-off time of the first preset period of time, both It can be used as the parameter for calculating the first temperature change value, can also be used as the parameter for calculating second temperature changing value. Therefore, on the basis of implementation as shown in Figure 2, it is also implemented as implementation as shown in Figure 3.Wherein, S201 The second temperature changing value that cooking apparatus bottom is obtained in the second preset period of time, can be implemented as S2011 and S2012.

S2011, in the cut-off time of the second preset period of time, control cooking apparatus and stop heating, and obtain cooking apparatus bottom The third temperature value in portion.

It should be noted that the cooking apparatus in view of dry-fire condition would generally be after the cessation of the heating still in heating shape State, therefore, in the embodiment of the present application, in order to avoid temperature continuation significantly increases and causes security risk in detection process, Can be by the way of stopping heating to cooking apparatus come temporary interrupt cooking process, and third temperature is obtained.Also, It,, should with the continuation of heating for having held the biggish substance of specific heat capacity in liner in actual temperature detection process Substance can absorb the partial heat of liner during heating, make the reduction of liner temperature, to influence the accurate of temperature detection Property.Therefore, the detection that third temperature is carried out after cooking apparatus stops heating, can also promote temperature detection to a certain extent Accuracy.

S2012, by difference between third temperature value and second temperature value, be determined as second temperature changing value.

Wherein, second temperature value is temperature value of the cooking apparatus bottom in the cut-off time of the first preset period of time.

Below with reference to specific example, dry combustion method protection scheme provided by the embodiments of the present application is further described.Such as Fig. 4 institute Show, for a kind of illustrative dry combustion method protection flow chart provided by the embodiments of the present application.Wherein, dry combustion method protection process may include S301 to S309.

The bottom temp Bot of S301, recording voltage power pot₀, and start timer T₀。

S302, as timer T₀When timing is to certain time, current bottom temp Bot is recorded₁。

S303, judgement | Bot₁-Bot₀| whether it is greater than or equal to 3 degree.If so, executing S304；Otherwise, execute S305 and Subsequent step.

It should be noted that the interval range of 0 to 3 degree (not including 3 degree), i.e. pre-set interval.In the embodiment of the present application, The lower limit of pre-set interval is 0 and the upper limit is 3, and the value of pre-set interval upper and lower limit is not intended as the limit to the embodiment of the present application It is fixed, the only implementation of property as an example.

S304, it determines that electric pressure cooking saucepan is now in unsteady state, electric pressure cooking saucepan is waited to stablize.It executes again later S301。

Wherein, stable state refers to the case where balancing between temperature transducer and liner for cold and hot, and particular content can With with reference to stating above, it will not be described here.

S305, it begins to warm up, and starts timer T₁。

S306, as timer T₁When timing is to certain time, stop heating, and record current bottom temp Bot₂。

S307, judge Bot₂-Bot₁Whether setting difference is greater than or equal to.If so, executing S308；Otherwise, it executes S309。

Wherein, setting difference can be above-mentioned first threshold, specifically can be with reference to above for the correlation table of first threshold It states, it will not be described here.

S308, it determines that electric pressure cooking saucepan is in dry-fire condition, keeps stopping heating.

It, can also be by the way of reducing heating power come to dry-fire condition for being in the electric pressure cooking saucepan of dry-fire condition Duration is alleviated.Certainly, for the electric pressure cooking saucepan of dry combustion method, most reliably and effectively implementation is to stop adding Heat.

S309, it determines that electric pressure cooking saucepan is not in dry-fire condition, continues to heat.

In the embodiment of the present application, timer T₀With timer T₁It can be realized with a timer, for example, using dividing The mode of Shi Fuyong.Wherein, timer T₀With timer T₁The length of time of used record can be identical or different, herein Corresponding length of time is not limited, can specifically be preset in conjunction with historical experience value.

In view of cooking apparatus is also possible to cause cooking apparatus dry combustion method because water is very few during the cooking process, in this Shen Low wash water inspection please can also be carried out to cooking apparatus in a kind of implementation of embodiment, during executing dry combustion method detection It surveys.Therefore, on the basis of implementation as shown in Figure 1, it is also implemented as implementation as shown in Figure 5.Wherein, In At the beginning of executing S101 culinary art, after the first temperature change value that cooking apparatus bottom is obtained in the first preset period of time, If S104 can also be performed in pre-set interval in the first temperature change value.

S104, control cooking apparatus carry out low wash water detection, and make low wash water state cooking apparatus stop heating or It is heated using the heating power after reduction.

Wherein, the temperature change value of the cooking apparatus bottom of low wash water state is positively correlated with the time.

To increase food mouthfeel, during cooking apparatus is vented and boils, it usually can control cooking apparatus and constantly arrange Gas boiling, and will lead to the water in cooking apparatus liner in this way can be fewer and fewer, or even excludes completely, it is hidden that there are dry combustion methods Suffer from.Therefore, in order to be further reduced the safety problem that cooking apparatus causes by dry combustion method, in a kind of realization of the embodiment of the present application In mode, the cooking apparatus of low wash water state is also required to take certain measure.

It should be noted that dry combustion method detection and low wash water detect can be not present sequencing in time, i.e., for cooking It prepares food for utensil, both detection process can be executed parallel, or execute according to a graded.

As shown in fig. 6, cooking apparatus carries out the process of low wash water detection, may include S401 and S402 or S401 and S403。

S401, the third temperature change value that cooking apparatus bottom is obtained in third preset period of time.

It should be noted that the duration of the second preset period of time, the initial time of the second preset period of time and cut-off time etc. join Several setting means, specific value etc. not limit herein.

If S402, third temperature change value are greater than or equal to second threshold, third preset period of time is updated to and third The adjacent subsequent period of preset period of time, and again obtain cooking apparatus bottom third temperature change value compared with second threshold, Until third temperature change value is greater than or equal to the number that second threshold continuously occurs and reaches preset times, determine at cooking apparatus In low wash water state.

In the embodiment of the present application, second threshold can be identical or different from first threshold, i.e., for different detections For process, it can select identical or be different threshold value to measure.Also, in actual application, for different periods For the low wash water detection process of progress, it can also select identical or be different threshold value to measure, is i.e. the second of different periods Threshold value can be identical or different.It, specifically can be with it should be noted that set-up mode of second threshold etc. is similar with first threshold It is stated with reference to the correlation above for first threshold, it will not be described here.

In addition, the set-up mode of preset times, value etc., similar with first threshold, second threshold, before can specifically referring to Statement of the text for first threshold, second threshold, it will not be described here.

If S403, third temperature change value are less than second threshold, terminate the low wash water detection of this cooking apparatus.

Below with reference to specific example, dry combustion method protection scheme provided by the embodiments of the present application is further described.Such as Fig. 7 institute Show, for a kind of illustrative low wash water protection flow chart provided by the embodiments of the present application.Wherein, low wash water protection process can wrap S501 is included to S508.

S501, initialization exception number, Cnt=0.

The bottom temp Bot of S502, recording voltage power pot₃, start timer T₂。

S503, as timer T₂When timing is to certain time, current bottom temp Bot is recorded₄。

S504, judge Bot₄-Bot₃Whether 3 degree are greater than or equal to.If so, executing S506 and subsequent step；Otherwise, it holds Row S505.

Wherein, 3 degree be only second threshold exemplary values, the restriction to the embodiment of the present application is not intended as, about the The value etc. of two threshold values can specifically be stated with reference to the correlation above for second threshold, and it will not be described here.

S505, frequency of abnormity is reset, Cnt=0.After executing S505, S502 is executed.

S506, frequency of abnormity is added to 1, i.e. Cnt+1.

S507, judge whether frequency of abnormity is greater than or equal to 4.If so, executing S508；Otherwise, S502 is executed.

Wherein, 4 be only preset times exemplary values, the restriction to the embodiment of the present application is not intended as, about default The value etc. of number can specifically be stated with reference to the correlation above for preset times, and it will not be described here.

S508, it determines that current voltage power pot is in low wash water state, stops heating.

It should be noted that including the judgement stream for being superimposed and being realized based on frequency of abnormity in above-mentioned low wash water protection process Journey further includes the low wash water protection process taken for the electric pressure cooking saucepan of low wash water state.In the embodiment of the present application, for holding Just the determination electric pressure cooking saucepan is in low wash water state to continuous repeatedly abnormal situation, and for being temporary abnormal conditions and Speech can ignore the erroneous judgement in this detection process in such a way that frequency of abnormity is reset, so that it is guaranteed that low wash water detection process Accuracy.

Process is protected with reference to above-mentioned low wash water, can be learnt in the embodiment of the present application, it will be right at interval of a period of time Than the temperature difference of front and back.When temperature gap is larger, it is determined as abnormal conditions, is carried out based on former frequency of abnormity later tired Add.After frequency of abnormity reaches certain value, it is abnormal to can determine that electric pressure cooking saucepan exists, that is, is in low wash water state, and by such as Stop heating or reduces the mode of heating power to reach corresponding protecting effect.

The embodiment of the present application provides a kind of cooking apparatus.Wherein, cooking apparatus includes pot body, pot cover and liner, and liner is put It sets in pot body, bottom of pot body is equipped with temperature transducer and heating device.As shown in figure 8, cooking apparatus 60 can also include:

Module 61 is obtained, at the beginning of culinary art, obtaining and cooking in the first preset period of time after liner is put into pot body It prepares food the first temperature change value of utensil bottom.

Processing module 62, if the first temperature change value for obtaining the acquisition of module 61 determines to survey in pre-set interval It is balanced between temperature sensor and liner for cold and hot.

Control module 63, for controlling cooking apparatus and carrying out dry combustion method detection after processing module 62 determines cold and hot balance, And the cooking apparatus of dry-fire condition is made to stop heating or be heated using the heating power after reducing.

In one implementation, control module 63 are also used to obtain cooking apparatus bottom in the second preset period of time Second temperature changing value, the initial time of the second preset period of time are the cut-off time of the first preset period of time.

Processing module 62 is also used to determine second according to the size relation between second temperature changing value and first threshold The cooking apparatus that temperature change value is greater than or equal to first threshold is in dry-fire condition.

In one implementation, the first temperature change value between the first temperature value and second temperature value difference it is absolute Value, the first temperature value are temperature value of cooking apparatus bottom at the beginning of the first preset period of time, and second temperature value is culinary art Temperature value of the utensil bottom in the cut-off time of the first preset period of time.

In one implementation, control module 63 are also used to the cut-off time in the second preset period of time, control cooking pot Tool stops heating, and the third temperature value of cooking apparatus bottom is obtained by obtaining module 61.

Processing module 62 is also used to difference between third temperature value and second temperature value being determined as second temperature variation Value, second temperature value are temperature value of the cooking apparatus bottom in the cut-off time of the first preset period of time.

In one implementation, the underlying parameter of the value of the second preset period of time and cooking apparatus, calling culinary art function At least one matching in energy and environmental parameter.

In one implementation, control module 63, if being also used to the first temperature change value in pre-set interval, control is cooked Utensil of preparing food carries out low wash water detection, and the cooking apparatus of low wash water state is made to stop heating or using the heating power after reducing It is heated.

In one implementation, the temperature change value of the cooking apparatus bottom of low wash water state is positively correlated with the time.

In one implementation, module 61 is obtained, is also used to obtain cooking apparatus bottom in third preset period of time Third temperature change value.

Processing module 62, if being also used to third temperature change value more than or equal to second threshold, by third preset period of time It is updated to the subsequent period adjacent with third preset period of time, and again by the third for obtaining the acquisition of module 61 cooking apparatus bottom Temperature change value is compared with second threshold, until third temperature change value is greater than or equal to the number that second threshold continuously occurs and reaches To preset times, determine that cooking apparatus is in low wash water state；If third temperature change value is less than second threshold, pass through control Module 63 terminates the low wash water detection of this cooking apparatus.

In one implementation, cooking apparatus 60 can also include memory module 64, display module 65 and communication mould One in block 66 or multinomial.Wherein, memory module 64 can be used for storing above-mentioned multiple modules when realizing corresponding function Required content etc.；Display module 65 is displayed for sweeping the cooking function of cooking apparatus 60 such as executed, remaining culinary art Time etc. is used to indicate the parameter and/or other content of culinary art situation；Communication module 66, can be used to implement above-mentioned each module it Between data interaction, and/or support the equipment such as cooking apparatus 60 and mobile phone between carry out data interaction.Implement in the application In example, for content, the format etc. of memory module storage, not limit.

In the embodiment of the present application, obtaining module 61, communication module 66 can be implemented as communication interface, processing module 62, Control module 63 can be implemented as processor and/or controller, and memory module 64 can be implemented as memory, and display module 65 can To be embodied as display.

As shown in figure 9, for the structural schematic diagram of another cooking apparatus provided by the embodiments of the present application.Cooking apparatus 70 can To include communication interface 71 and processor 72.In a kind of implementation of the embodiment of the present application, cooking apparatus 70 can also be wrapped Include memory 73 and display 74.Wherein, communication interface 71, processor 72, memory 73 and display 74, can pass through bus 75 realize communication.Wherein, the function that above-mentioned each component is realized can refer to the description for each functions of modules above, herein It will not go into details.

It should be noted that cooking apparatus provided by the embodiments of the present application may include extra or few with reference to Fig. 8, Fig. 9 The module shown in figure, component not limit herein.

The application provides a kind of cooking apparatus, including memory, processor and storage are on a memory and can be in processor The computer program of upper operation, processor realize any one of above-mentioned various possible implementations when executing computer program Method.

The application provides a kind of computer readable storage medium.Storage medium is stored with computer program, computer program The method of any one of above-mentioned various possible implementations is realized when being executed by processor.

All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for entity, For system embodiment, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to method The part of embodiment illustrates.

Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description. These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution. Professional technician can use different methods to achieve the described function each specific application, but this realization It should not be considered as beyond the scope of the present invention.

The step of method described in conjunction with the examples disclosed in this document or algorithm, can be executed with hardware, processor The combination of software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field In any other form of storage medium well known to interior.

The above is only embodiments herein, are not intended to limit this application.To those skilled in the art, Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement, Improve etc., it should be included within the scope of the claims of this application.