CN110313825A - Liquid overflow detection method and device, cookware, electromagnetic heating component - Google Patents
Liquid overflow detection method and device, cookware, electromagnetic heating component Download PDFInfo
- Publication number
- CN110313825A CN110313825A CN201810265902.6A CN201810265902A CN110313825A CN 110313825 A CN110313825 A CN 110313825A CN 201810265902 A CN201810265902 A CN 201810265902A CN 110313825 A CN110313825 A CN 110313825A
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- liquid
- overflow
- voice signal
- detection method
- sound
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/56—Preventing boiling over, e.g. of milk
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Cookers (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The present invention provides a kind of liquid overflow detection method and device, cookware, electromagnetic heating component, which includes: to generate voice signal according to the sound status of liquid during heating liquid；Judge whether the liquid is in overflow status according to the variation tendency of the voice signal.The present invention can guarantee in cookware liquid by it is cooked while, accurately and securely liquid is overflowed and is detected, and then the liquid in cookware can be effectively prevent to overflow.
Description
Technical field
The present invention relates to kitchen appliance technical fields, and in particular to a kind of liquid overflow detection method and device, cookware, electricity
Magnetic heating component.
Background technique
With the rapid development of social economy and science and technology, the time has become most valuable wealth for people,
And cook as the mankind it is not retrievable necessity Life Basis need paying for certain time, therefore, cooking efficiency also just at
For the liquid group food such as people's demand and focus of attention, especially congee or soup, wherein.The high power characteristics of electromagnetic oven make
It becomes people and cooks congee or the preferred unit of Baoshang etc..But although being cooked congee with electromagnetic oven or the process of Baoshang is than very fast,
Still need a few minutes could soup is boiled by more than ten, 20 minutes, during entirely cooking congee or Baoshang, user needs
It often goes in front of electromagnetic oven and removes to see soup either with or without boiled, if without continuing to burn if boiled；If soup the water is boiling it
Afterwards, the power for manually turning down electromagnetic oven is boiled in a covered pot over a slow fire ripe and avoids overflowing with lower power by electromagnetic oven soup or congee.It is bound in this way
The waste and trouble that great time cost can be brought to user, so that user can not be absorbed in other things.
Currently, having been provided with temperature sensing device in the electromagnetic oven having on the market, but since it is limited in electromagnetic oven
Hold, therefore, still can not accurately prevent the spilling of the liquid in the cookware being arranged on electromagnetic oven, rough temperature can only be carried out
Degree control, but this rough temperature control not can guarantee still user not when pot in liquid do not overflow, and there is electricity
The safe sequel of magnetic furnace improper use.
Because how to design it is a kind of guarantee in cookware liquid by it is cooked while, can accurately to liquid overflow into
The method of row detection, is a problem to be solved.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of liquid overflow detection method and device, cookware, electromagnetism add
Hot component, can guarantee cookware in liquid by it is cooked while, accurately and securely to liquid overflow detect, Jin Erneng
Enough it effectively prevent the liquid in cookware to overflow.
In order to solve the above technical problems, the present invention the following technical schemes are provided:
In a first aspect, the present invention provides a kind of liquid overflow detection method, the liquid overflow detection method includes:
During heating liquid, voice signal is generated according to the sound status of liquid；
Judge whether the liquid is in overflow status according to the variation tendency of the voice signal.
Further, microphone sensor is used to generate electric signal as voice signal, sound according to the sound status of liquid
The voltage swing instruction sound intensity of sound signal.
Further, the liquid overflow detection method further include:
Anti-spilled instruction is sent to the heating device for heating the liquid, so that the heating device is according to described anti-overflow
Instruction changes the heating power of heating device out.
Further, the variation tendency according to the voice signal judges whether the liquid is in shape to be overflowed
State, comprising:
Sound variation curve is generated according to the variation tendency of the voice signal；
Judge whether the liquid is in overflow status based on the sound variation curve.
Further, the variation tendency according to the voice signal judges whether the liquid is in shape to be overflowed
State, comprising:
Judge whether the sound variation curve matches with the spilling section in the standard spill over curve of pre-acquiring,
Wherein, the value and the corresponding relationship between the time that the standard spill over curve is used to show the voice signal of liquid, and institute
It states to be identified in standard spill over curve and overflows section；
If so, determining that the liquid enters to overflow status.
Further, the liquid containing is in the container for being stamped cover board；
Corresponding, the spilling section is corresponding when liquid bubble starts to overflow for the first time in the test liquid being heated
The first voice signal value and liquid between second sound signal value of liquid bubble when opening the cover board of the container for the first time
Interval range.
Further, the sound variation curve is to originate time point according to self-identifying to obtain to the voice signal of current time point
The curve taken.
Further, the identification starting time point is the time point begun to warm up, or is from beginning to warm up by second
Time point after period, or meet the time point for identifying initial conditions for voice signal.
Second aspect, the present invention provide a kind of liquid overflow checking device, and the liquid overflow checking device includes:
Voice signal detection module, for generating sound letter according to the sound status of liquid during heating liquid
Number；
To overflow status determination module, for judging whether the liquid is according to the variation tendency of the voice signal
To overflow status.
The third aspect, the present invention provides a kind of electronic equipment, including memory, processor and storage are on a memory and can
The computer program run on a processor, the processor realize the liquid overflow detection method when executing described program
Step.
Fourth aspect, the present invention provide a kind of computer readable storage medium, are stored thereon with computer program, the calculating
Machine program realizes the step of liquid overflow detection method when being executed by processor.
5th aspect, the present invention provide a kind of cookware, the liquid overflow checking device on the cookware.
Further, the cookware includes pot body, corresponding, and the liquid overflow checking device is arranged in the pot body
Outer wall on.
Further, the cookware includes pot and pot cover, corresponding, and the liquid overflow checking device is arranged in institute
It states on pot cover.
6th aspect, the present invention provide a kind of electromagnetic heating component, and the electromagnetic heating component includes: heating device, with
And the cookware.
Further, the controller and the second wireless transmit/receive units of communication connection are equipped in the heating device；
Second wireless transmit/receive units and the liquid overflow checking device communicate to connect；
The controller is used to receive the anti-of the liquid overflow checking device sending through second wireless transmit/receive units
Overflow instruction, and the heating power changed according to the anti-spilled instruction.
Further, the heating device is electromagnetic oven.
As shown from the above technical solution, liquid overflow detection method provided by the invention, comprising: in the process of heating liquid
In, voice signal is generated according to the sound status of liquid；Whether the liquid is judged according to the variation tendency of the voice signal
In to overflow status；Can guarantee cookware in liquid by it is cooked while, accurately and securely to liquid overflow examine
It surveys, and then the liquid in cookware can be effectively prevent to overflow, avoid the safe sequel of electromagnetic oven improper use, also improve and answer
The intelligence degree cooked with electromagnetic oven, and then improve user experience.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the flow diagram of one of embodiment of the present invention one liquid overflow detection method；
Fig. 2 is the flow diagram of step 500 in liquid overflow detection method of the invention；
Fig. 3 is standard spill over curve synoptic diagram of the invention；
Fig. 4 is the spill over curve synoptic diagram for being identified with spilling section of the invention；
Fig. 5 is the structural schematic diagram of one of embodiment of the present invention two liquid overflow checking device；
Fig. 6 is the structural schematic diagram of the electronic equipment in the embodiment of the present invention three；
Fig. 7 is the structural schematic diagram of the cookware in the embodiment of the present invention five；
Fig. 8 is the structural schematic diagram of the electromagnetic heating component in the embodiment of the present invention six；
Wherein, 1- pot body；2- pot cover；3- controller；4- microphone sensor；41- amplifier；5- the first wireless receiving and dispatching list
Member；6- heating device；7- electromagnetic oven；71- heating coil；72-IGBT driving switch；73- microcontroller；74- second is wirelessly received
Bill member.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
For the problems of the prior art, the present invention provides a kind of liquid overflow detection method and device, cookware, electromagnetism add
Hot component.It is understood that liquid overflow detection method described in the embodiment of the present invention be suitable for various cookwares with for pair
The heating equipment that the cookware is heated, heating equipment therein especially electromagnetic oven, insulating pot etc., be also applied for cookware with plus
Hot integration of equipments is arranged in a whole intracorporal cooking apparatus, such as electric frying pan etc.；Using the kitchen tools with heating function
Heat up water, Baoshang, the functions such as cook congee when, the vessel for filling liquid can be placed on the kitchen tools and be heated, the liquid heated
Including water, oil, soup or other substances being in a liquid state.Since liquid is heated to the process of boiling in vessel, be liquid gradually
Gaseous process is turned to, liquid constantly has the drop of close heating source to be vaporized during heating, forms bubble in water
Rise, bubbles burst vibrates when rising to liquid level.Usually in fluid heating process, there are many small drops by vapour before this
Change, forms small vacuole and rise, rupture.In liquid boiling, a large amount of drop is vaporized, and is formed air pocket and is risen, ruptures.These
Formation, rising and the rupture of bubble can all cause sound variation, these sound variations have certain measurable rule, can pass through sensing
Device detects to obtain, and generates electric signal according to the sound variation of liquid.Liquid overflow detection method provided by the invention, Neng Gou
Guarantee cookware in liquid by it is cooked while, accurately and efficiently prevent the liquid in cookware from overflowing, and sentence to overflow process
Break accurately and securely, avoids the safe sequel of electromagnetic oven improper use, also improve the intelligence cooked using electromagnetic oven
Change degree and application security, so that user experience improves.The present invention will be carried out by first to sixth embodiment below
Explain in detail explanation.
The embodiment of the present invention one provides a kind of specific embodiment of liquid overflow detection method, referring to Fig. 1, the liquid
Body overflow detection method specifically includes following content:
Step 100: during heating liquid, voice signal being generated according to the sound status of liquid.
In step 100, the voice signal of the heated liquid in the continuous detection container of liquid overflow checking device, and root
The sound variation curve of heated liquid is generated according to the voice signal.It is understood that the liquid overflow checking device
It can be used for the sound detection device of the voice signal of the heated liquid in detection container, by control to obtain sound inspection
The voice signal for surveying the heated liquid that device detects, in addition, the liquid overflow checking device also can integrate sound
Detection function carrys out the voice signal of the heated liquid in direct detection container.
The sound detection device referred in the present embodiment is specifically as follows a kind of microphone sensor, the Mike
Wind sensor can a built-in condenser type Electret condenser microphone to sound sensitive.Sound wave makes the electret film in microphone shake
It is dynamic, lead to the variation of capacitor, and generate the small voltage for variation of being corresponding to it.This voltage is subsequently converted into the electricity of 0-5V
Pressure is converted by A/D and is received by data collector, and sends the controller in liquid overflow checking device to.
In addition, in a kind of concrete example, if comprising the pot cover being used cooperatively with the pot body in the cookware, it is described
Microphone sensor can be set on the lower surface of pot cover, and by the non-acoustic receiving plane of the microphone sensor and the pot
The lower surface of lid is fixedly connected, so that when pot cover is placed in pot body, the sound receiving plane and pot of the microphone sensor
Internal portion is oppositely arranged, and is enabled the sound receiving plane of the microphone sensor directly and precisely to obtain sound in pot and is become
Change, meanwhile, hole can be opened up on the lower surface of pot cover, microphone sensor is fixed in the hole, and should
The sound receiving plane of microphone sensor is positioned close to the position of hole, in a preferred embodiment, can will be described
The surface of hole is arranged in the sound receiving plane of microphone sensor, so that when pot cover is placed in pot body, microphone
The sound receiving plane of sensor directly can obtain sound variation in pot body by hole.In another concrete example, if institute
The pot cover for not including in cookware and being used cooperatively with the pot body is stated, then the microphone sensor can be arranged in the pot body
On.
It is understood that container described in the present embodiment and heating device can refer in particular to cookware and respectively for these
The electromagnetic oven that cookware is heated, liquid therein can refer in particular to the liquid foods such as water, congee or soup.
Step 200: judging whether the liquid is in overflow status according to the variation tendency of the voice signal.
In step 200, the variation tendency of the voice signal is the sound that time point to current time point is originated according to self-identifying
Sound signal and obtain, and the identification starting time point be the time point begun to warm up, or for from beginning to warm up by second
Time point after period, or meet the time point for identifying initial conditions for voice signal.
In the foregoing description, the movement of the voice signal of the continuous detection heated liquid can occur in heating device
When just starting and being heated to container, it can also occur after heating device starts a period of time, but described here one
The section time is not to be exceeded liquid in container and starts to generate the duration of liquid bubble, for example, if research staff is according to practical reality
It tests result and knows that the time for starting to generate liquid bubble in liquid can be then incited somebody to action after 3 minutes after heating device starts
Above-mentioned a period of time is equipped with as less than 3 minutes, such as 30 seconds or 1 minute, does so the executive device that can reduce detection operation
Consumption in operation, improve its service life, at the same can also guarantee its detection accuracy.
As can be seen from the above description, the liquid overflow detection method that the embodiment of the present invention provides, can guarantee in cookware
Liquid by it is cooked while, judgement accurately and securely is carried out to overflow process, the safety for avoiding electromagnetic oven improper use is lost
Suffer from, also improves the intelligence degree cooked using electromagnetic oven, and then improve user experience.
In a specific embodiment, use microphone sensor according to the sound status of liquid generate electric signal as
Voice signal, the voltage swing instruction sound intensity of voice signal.
It is understood that the controller in liquid overflow checking device is according to received from for adding the container
The enabling signal of the heating device of heat controls the voice signal of the heated liquid in the continuous detection container of microphone sensor,
The voice signal detected according to microphone sensor generates the sound variation curve, and the microphone sensor and control in real time
Device connection processed, and be arranged on the cover board.
In a specific embodiment, referring to fig. 2, if in step 200 according to the variation tendency of the voice signal
Judge that the liquid is in overflow status, then further includes as follows after the step 200 of liquid overflow detection method of the invention
Content:
Step 300: send anti-spilled instruction to the heating device for heating the liquid so that the heating device according to
The anti-spilled instruction changes the heating power of heating device.
In step 300, after determining that liquid is in overflow status, liquid overflows the liquid overflow checking device
Detection device first sends the anti-spilled instruction to the heating device, and the heating device receives the anti-spilled instruction, and root
Change the heating power of the heating device according to the anti-spilled instruction, so that the container is while being heated continuously, institute
The cover board for stating container is no longer opened by liquid bubble.
As can be seen from the above description, the liquid overflow detection method that the embodiment of the present invention provides, can guarantee in cookware
Liquid by it is cooked while, accurately and efficiently prevent the liquid in cookware from overflowing, and by the transmission of the communication information, provide
A kind of simple and portable control mode nor affects on respective list so that can both be used in conjunction between container and heating device
Solely use.
In a specific embodiment, the step 200 of liquid overflow detection method of the invention specifically includes in following
Hold:
Step 201: sound variation curve is generated according to the variation tendency of the voice signal；
Step 202: judging whether the liquid is in overflow status based on the sound variation curve.
It is understood that the sound variation curve is used for real-time representation container if the container is provided with pot cover
The liquid bubble of interior liquid start to overflow outward until open pot cover and subsequent pot cover fall and repeat liquid bubble start to
The voice signal of outer spilling liquid in the container during opening pot cover, the abscissa of the spill over curve is inspection
The time of survey, the ordinate of the spill over curve are voice signal, and in the present embodiment, the value of the voice signal is
The amplitude of the corresponding voltage signal of acoustic vibration.
During heating, the sound variation curve acquired in real time constantly extends with the time, when sound variation curve arrives
Then meet the first preset condition when beginning to decline to preset point 1 after up to highest point again, determine liquid boiling, such as continue to heat,
Curve continues then to meet the second preset condition when decline reaches preset point 2, and judgement liquid is violent fluidized state.
Step 202 specifically includes following content:
Step 202a: judge sound variation curve whether with the spilling section phase in the standard spill over curve of pre-acquiring
Matching, if so, confirming that the liquid is in overflow status.
In step 202a, the standard spill over curve was used to show the value of the voice signal of liquid and between the time
Corresponding relationship, and be identified in the standard spill over curve overflow section, wherein if the liquid containing is being stamped
In the container of plate；Then the spilling section is corresponding the when liquid bubble starts to overflow for the first time in the test liquid being heated
The area between second sound signal value when liquid bubble opens the cover board of the container for the first time in one voice signal value and liquid
Between range.
In the foregoing description, the standard spill over curve starts for the liquid bubble of liquid in real-time representation container
It overflows outward and falls and repeat liquid bubble until opening pot cover and subsequent pot cover and start to overflow until opening pot cover outward
The voice signal of liquid in container in the process.I.e. as shown in figure 3, the abscissa of the standard spill over curve is detection
Time, the ordinate of the spill over curve are voice signal, and in the present embodiment, the value of the voice signal is acoustic shock
Move the amplitude of corresponding voltage signal.
In the foregoing description, sound detection device is specifically as follows a kind of microphone sensor, due to microphone sensor
When detecting audio signal, the sound interference by external environment is larger, therefore, collects voice data in the microphone sensor
Afterwards, it needs to carry out the disposal of gentle filter to voice data, so that keeping collected voice data more accurate, then again to filtering
Voice data afterwards carries out seeking variance, finally further according to filtered each sound in the entire microphone sensor collection process
The variation tendency of the value of the variance of sound data determines whether to want whether domestic liquid will overflow, that is to say, that this Shen in advance
Please in for constituting the voice signal of the sound variation curve really in the microphone sensor collect sound
After data, the disposal of gentle filter is carried out to voice data, then ask to filtered voice data the value of variance；Then, institute
Liquid overflow checking device is stated according to the spilling in the sound variation curve and the standard spill over curve of pre-acquiring
Whether section matches, and then the concrete mode for carrying out anti-spilled control can be with are as follows: in a same period, the sound variation
The curve ripple of curve emotionally condition and/or curve shape, the respectively determining song with the spilling section of the standard spill over curve
Line fluctuates the similarity between situation and/or curve shape, if the curve ripple of sound variation curve emotionally overflow by condition and the standard
The similarity of the curve ripple in the spilling section of signal curve emotionally condition is greater than default undulating value out, and/or, if sound variation curve
Curve shape and the standard spill over curve spilling section curve shape similarity be greater than preset shape value, then
Determine that the spilling section in the sound variation curve and the standard spill over curve of pre-acquiring matches.
It is described matching refer to it is similar on curve shape, can pass through Fuzzy Calculation scheduling algorithm measure curve approximate journey
Degree.Curve based on Fig. 4 can be seen that since the curve and the curve in other stages in stage before and after overflowing differ greatly,
It is fully or highly consistent that curve is not needed when carrying out Curve Matching, as long as reaching certain similarity degree you can get it knot
By.Moreover, the judgement of this difference spilling degree be for subsequent operation it is beneficial, the alarm more refined and control may be implemented
System processing, such as the alarm when meeting a certain preset condition stop heating when meeting another preset condition or reduce power.
Wherein, the acquisition of the standard spill over curve is specifically included based on the spilling characteristic of liquid:
1) water is heated to the process of boiling in a reservoir, is that liquid gradually turns to gaseous process；Mistake of the water in heating
Cheng Zhong constantly has the water droplet of close heating source to be vaporized, and the bubble then formed rises in water, gas when rising to the water surface
Bubble rupture, and then form water vapour and be dispersed into liquid surface.
2) usually heat up water, Baoshang or during cook congee, be vaporized before this there are many small water droplet, and then formed small water
Bubble rises, ruptures；Water start gradually by it is boiled during, the water droplet in container is gradually vaporized, and is formed bubble and is risen, is broken
It splits, forms water vapour, vapor is dispersed into liquid surface, is gathered in pot.
3) it is usually heating up water, Baoshang or during cooking congee, the water vapour in container slowly becomes more by few, finally assembles
In container；In this process, the amplitude of voltage signal corresponding to acoustic shock caused by the liquid bubble in container can also be sent out
Changing, when the soup boiling in container, steam in container, when reaching a certain amount of, the amplitude of the voltage signal in container
When reaching certain limit, pot cover can be opened.
4) after container cover plate is opened, place that the bubble that congee in container or soup generate will be raised from pot cover
It comes up, here it is overflow.
5) according to above 1)~4) principle, by being heated up water with sound transducer measurement, Baoshang or during cooking congee
When container cover plate is started and bubble in pot will come up, it can control heating device and automatically drop heating power
It is low, then slowly the food materials in container are boiled in a covered pot over a slow fire with mild fire ripe, avoids spilling.
As can be seen from the above description, the liquid overflow detection method that the embodiment of the present invention provides, can guarantee in cookware
Liquid by it is cooked while, accurately and efficiently prevent the liquid in cookware from overflowing, and the accuracy of judgement to overflow process and can
It leans on, avoids the safe sequel of electromagnetic oven improper use, also improve the intelligence degree cooked using electromagnetic oven, in turn
Improve user experience.
In a specific embodiment, spilling section described in liquid overflow detection method of the invention is to be heated
Corresponding first voice signal value and the liquid bubble open container cover for the first time when liquid bubble starts to overflow for the first time in liquid
The interval range between second sound signal value when plate.
For example, referring to fig. 4, the section of label 1 therein is the uncreated section of liquid bubble, label therein
Section where 2 is to overflow section, and lower limit value is corresponding first voice signal value when liquid bubble starts to overflow for the first time,
Upper limit value is the interval range between second sound signal value when liquid bubble opens container cover plate for the first time, subsequent curve it is every
Valley is the amplitude of corresponding acoustic vibration corresponding voltage signal when container cover plate is fallen at one, and everywhere peak value is container
The amplitude of cover board corresponding acoustic vibration corresponding voltage signal when being opened again.
As can be seen from the above description, the liquid overflow detection method that the embodiment of the present invention provides, by accurately obtaining spilling
Spilling section in signal curve provides accurate data basis for subsequent anti-spilled control, and then effectively increases anti-
Only precise control and reliability that the liquid in cookware overflows.
The embodiment of the present invention two provides a kind of liquid that can be realized Overall Steps in aforesaid liquid overflow detection method
The specific embodiment of overflow checking device, referring to Fig. 5, the liquid overflow checking device specifically includes following content:
Voice signal detection module 10, for generating sound according to the sound status of liquid during heating liquid
Signal.
To overflow status determination module 20, for judging whether the liquid is located according to the variation tendency of the voice signal
In to overflow status.
The embodiment of liquid overflow checking device provided by the invention specifically can be used for executing aforesaid liquid overflow checking
The process flow of the embodiment of method, details are not described herein for function, is referred to the detailed description of above method embodiment.
As can be seen from the above description, the liquid overflow checking device that the embodiment of the present invention provides can guarantee liquid in cookware
Body by it is cooked while, accurately and efficiently prevent the liquid in cookware from overflowing, and the accuracy of judgement to overflow process and reliable,
The safe sequel for avoiding electromagnetic oven improper use, also improves the intelligence degree cooked using electromagnetic oven, Jin Erti
High user experience.
The embodiment of the present invention three provides a kind of electronics that can be realized Overall Steps in aforesaid liquid overflow detection method
The specific embodiment of equipment, referring to Fig. 6, the electronic equipment specifically includes following content:
Processor (processor) 601, memory (memory) 602, communication interface (Communications
Interface) 603 and bus 604；
Wherein, the processor 601, memory 602, communication interface 603 complete mutual lead to by the bus 604
Letter；The communication interface 603 is for realizing the information between the relevant devices such as each modeling software and intelligent manufacturing equipment module library
Transmission；
The processor 601 is used to call the computer program in the memory 602, and the processor executes the meter
The Overall Steps in above-described embodiment one are realized when calculation machine program, for example, reality when the processor executes the computer program
Existing following step:
Step 100: during heating liquid, voice signal being generated according to the sound status of liquid.
Step 200: judging whether the liquid is in overflow status according to the variation tendency of the voice signal.
As can be seen from the above description, the electronic equipment that the embodiment of the present invention provides, can guarantee that liquid is boiled in cookware
It while ripe, accurately and efficiently prevents the liquid in cookware from overflowing, and the accuracy of judgement to overflow process and reliable, avoids
The safe sequel of electromagnetic oven improper use, also improves the intelligence degree cooked using electromagnetic oven, and then improve use
Family experience.
The embodiment of the present invention four provides a kind of calculating that can be realized Overall Steps in aforesaid liquid overflow detection method
Machine readable storage medium storing program for executing is stored with computer program on the computer readable storage medium, and the computer program is by processor
The Overall Steps of above-described embodiment one are realized when execution, for example, realizing when the processor execution computer program following
Step:
Step 100: during heating liquid, voice signal being generated according to the sound status of liquid.
Step 200: judging whether the liquid is in overflow status according to the variation tendency of the voice signal.
As can be seen from the above description, the computer readable storage medium that the embodiment of the present invention provides can guarantee in cookware
Liquid by it is cooked while, accurately and efficiently prevent the liquid in cookware from overflowing, and the accuracy of judgement to overflow process and can
It leans on, avoids the safe sequel of electromagnetic oven improper use, also improve the intelligence degree cooked using electromagnetic oven, in turn
Improve user experience.
The embodiment of the present invention five provides a kind of cookware that can be realized Overall Steps in aforesaid liquid overflow detection method
Specific embodiment, referring to Fig. 7, the specific structure of the cookware is as follows:
The cookware includes: pot body 1 and pot cover 2, and the pot cover 2 is equipped with liquid overflow checking device in embodiment three,
And the liquid overflow checking device include the controller 3, the microphone sensor 4 being connect respectively with the controller 3 and
First wireless transmit/receive units 5；First wireless transmit/receive units 5 are communicated to connect with to the heating device 6 of the pot body 1 heating.
In the present embodiment, an amplifier is also provided between the microphone sensor 4 and the controller 3
41, it is specifically as follows four road transports and puts amplifier 41LM324, and the controller 3 can be specially a kind of single-chip microcontroller.
In the present embodiment, the cookware carry out anti-spilled control process it is as follows:
1) controller 3 receives the enabling signal of the heating device 6 first, and controls the wheat being arranged on the pot cover 2
Gram wind sensor 4 continuously detects the voice signal for the heated liquid being stamped in the pot body 1 of pot cover 2, wherein the voice signal
For the corresponding voltage signal of acoustic vibration.
2) controller 3 obtains the voice signal that the microphone sensor 4 detects, and according to the voice signal
Generate the signal curve of voice signal, wherein the signal curve of the voice signal be used to show the value of the voice signal with
Corresponding relationship between time, and be identified in the spill over curve and overflow section.
3) controller 3 receives the heated liquid in the pot body 1 for being stamped pot cover 2 that the microphone sensor 4 is sent
Voice signal.
4) controller 3 according to the spill over curve judge voice signal whether the spilling with standard spill over curve
Section matches；If so, step 3) is returned to after thening follow the steps 5), and otherwise, direct return step 3).
5) controller 3 sends the anti-spilled instruction to the heating device 6 through first wireless transmit/receive units 5, makes
It obtains the heating device 6 and the heating device 6 is changed to the heating power of the pot body 1 according to the anti-spilled instruction, so that
While being heated continuously, the pot cover 2 is no longer opened by liquid bubble the pot body 1.
As can be seen from the above description, the cookware that the embodiment of the present invention provides can guarantee that liquid is cooked same in cookware
When, it accurately and efficiently prevents the liquid in cookware from overflowing, and the accuracy of judgement to overflow process and reliable, avoids electromagnetic oven
The safe sequel of 7 improper uses, also improves the intelligence degree cooked using electromagnetic oven 7, and then improve user's body
It tests.
The embodiment of the present invention six provides a kind of electromagnetism that can be realized Overall Steps in aforesaid liquid overflow detection method
The specific embodiment of heating component, referring to Fig. 8, the specific structure of the electromagnetic heating component is as follows:
The heating component includes: cookware described in embodiment five, and, heating device 6 as the pot body 1
Electromagnetic oven 7；Equipped with the IGBT driving switch 72 of sequentially connected heating coil 71, microcontroller 73 and the in the electromagnetic oven 7
Two wireless transmit/receive units 74；Second wireless transmit/receive units 74 are communicated to connect with first wireless transmit/receive units 5；It is described micro-
Controller 73 is used to receive the anti-spilled instruction that the controller 3 issues through second wireless transmit/receive units 74, and according to institute
It states anti-spilled instruction and controls the change of IGBT driving switch 72 switch state, and then change the heating function of the heating coil 71
Rate.
In the present embodiment, the process that the electromagnetic heating component carries out anti-spilled control is as follows:
1) controller 3 receives the enabling signal of the electromagnetic oven 7 first, and controls the Mike being arranged on the pot cover 2
Wind sensor 4 continuously detects the voice signal for the heated liquid being stamped in the pot body 1 of pot cover 2, wherein the voice signal is
The corresponding voltage signal of acoustic vibration.
2) controller 3 obtains the voice signal that the microphone sensor 4 detects, and according to the voice signal
Generate sound variation curve, wherein the value and pair between the time that the sound variation curve is used to show the voice signal
It should be related to, and be identified in the spill over curve and overflow section.
3) controller 3 receives the heated liquid in the pot body 1 for being stamped pot cover 2 that the microphone sensor 4 is sent
Voice signal.
4) controller 3 judges whether sound variation curve matches with the spilling section of standard spill over curve；If so,
Step 3) is returned to after thening follow the steps 5), otherwise, direct return step 3).
5) controller 3 sends the anti-spilled instruction to the electromagnetic oven 7 through first wireless transmit/receive units 5.
6) microcontroller 73 in the electromagnetic oven 7 receives what the controller 3 issued through the second wireless transmit/receive units 74
Anti-spilled instruction.
7) microcontroller 73 controls IGBT (the Insulated Gate Bipolar according to the anti-spilled instruction
Transistor；Insulated gate bipolar transistor) driving switch changes switch state, and then changes and heat in the electromagnetic oven 7
The heating power of coil 71.
Wherein, the microcontroller 73 or a kind of single-chip microcontroller (one chip microcomputer (Microcontroller
Unit；MCU).
As can be seen from the above description, the electromagnetic heating component that the embodiment of the present invention provides can guarantee liquid quilt in cookware
It while cooked, accurately and efficiently prevents the liquid in cookware from overflowing, and the accuracy of judgement to overflow process and reliably, avoids
The safe sequel of 7 improper use of electromagnetic oven also improves the intelligence degree cooked using electromagnetic oven 7, and then improves
User experience.
For further instruction this programme, the present invention also provides a kind of above-mentioned electromagnetic heating components of application to realize that liquid overflows
The specific application example of detection method, specifically includes:
Electromagnetic heating component includes: pot, electromagnetic oven matched with the pot, pot cover matched with pot and is installed on pot
Upper signal supervisory instrument, signal processing and the control module and radio receiving transmitting module of lid；
Collected data are passed to signal processing to signal supervisory instrument and control module carries out data processing and inversion；So
Fluidized state is sent to electromagnetic oven by radio receiving transmitting module afterwards；Wireless transmitter receives the spilling sended over from pot cover
State, is sent to the control MCU of electromagnetic oven, and the control MCU of electromagnetic oven controls the switch shape of GBT according to the fluidized state received
State, to achieve the purpose that the heating power for controlling the heating coil of electromagnetic oven.Wherein, the wireless transmitter is 433
Radio receiving transmitting module；The signal supervisory instrument includes microphone (the amplification electricity including microphone signal on pot cover
Road, amplifier LM324), the data pass to signal processing and control module is the single-chip microcontroller for carrying out spill over processing；Institute
Stating in electromagnetic oven has: controlling the IGBT tube drive circuit of electromagnetic oven heating state, for receiving the boiling sended over from pot cover
State wireless transmitter and control MCU, the control MCU of electromagnetic oven control the switch shape of GBT according to the fluidized state received
State.
As can be seen from the above description, the single-chip microcontroller for sound signal processing in the technical solution of above-mentioned application example, often
Voice signal is sampled every a period of time, obtains the initial data of voice signal, then to the initial data of voice signal
A series of processing is carried out, one is finally obtained and heats up water, Baoshang or process Plays of cooking congee overflow the curve changed.When detecting
Spill over, and the spilling section in the sound variation curve and the standard spill over curve of pre-acquiring matches
When, the single-chip microcontroller of spill over processing at this time is by the radio receiving transmitting module signal that has boiled of one liquid of transmission to matching therewith
The electromagnetic oven of set.When electromagnetic oven receives the boiling signal transmitted from pot cover by radio receiving transmitting module, the control of electromagnetic oven
MCU processed controls the switch state of IGBT according to the fluidized state received, to reach adding for the heating coil of control electromagnetic oven
The purpose of thermal power makes soup stock in pot be maintained at boiling point in the case where not influencing food temperature hereinafter, slowly soup stock is boiled in a covered pot over a slow fire ripe.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as, it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, be also possible to be electrically connected
It connects；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (17)
1. a kind of liquid overflow detection method, which is characterized in that the liquid overflow detection method includes:
During heating liquid, voice signal is generated according to the sound status of liquid；
Judge whether the liquid is in overflow status according to the variation tendency of the voice signal.
2. liquid overflow detection method according to claim 1, which is characterized in that using microphone sensor according to liquid
Sound status generate electric signal as voice signal, the voltage swing instruction sound intensity of voice signal.
3. liquid overflow detection method according to claim 1, which is characterized in that the liquid overflow detection method also wraps
It includes:
Anti-spilled instruction is sent to the heating device for heating the liquid, so that the heating device is according to the anti-spilled finger
Enable the heating power for changing heating device.
4. liquid overflow detection method according to claim 1, which is characterized in that the change according to the voice signal
Change whether liquid described in Trend judgement is in overflow status, comprising:
Sound variation curve is generated according to the variation tendency of the voice signal；
Judge whether the liquid is in overflow status based on the sound variation curve.
5. liquid overflow detection method according to claim 4, which is characterized in that the change according to the voice signal
Change whether liquid described in Trend judgement is in overflow status, comprising:
Judge whether the sound variation curve matches with the spilling section in the standard spill over curve of pre-acquiring,
In, the value and the corresponding relationship between the time that the standard spill over curve is used to show the voice signal of liquid, and it is described
It is identified in standard spill over curve and overflows section；
If so, determining that the liquid enters to overflow status.
6. liquid overflow detection method according to claim 5, which is characterized in that the liquid containing is being stamped cover board
In container；
Corresponding, the spilling section is corresponding the when liquid bubble starts to overflow for the first time in the test liquid being heated
The area between second sound signal value when liquid bubble opens the cover board of the container for the first time in one voice signal value and liquid
Between range.
7. liquid overflow detection method according to claim 4, which is characterized in that according to the sound variation curve certainly
Identification starting time point to current time point voice signal and the curve that obtains.
8. liquid overflow detection method according to claim 7, which is characterized in that the identification starting time point is to start to add
Heat time point, perhaps for the time point from beginning to warm up after the second period or be voice signal meet identify initial one
The time point of part.
9. a kind of liquid overflow checking device, which is characterized in that the liquid overflow checking device includes:
Voice signal detection module, for generating voice signal according to the sound status of liquid during heating liquid；
To overflow status determination module, for judging whether the liquid is in wait overflow according to the variation tendency of the voice signal
It does well.
10. a kind of electronic equipment including memory, processor and stores the calculating that can be run on a memory and on a processor
Machine program, which is characterized in that the processor realizes that liquid overflows as described in any one of claim 1 to 8 when executing described program
The step of output detection method.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
It is realized when processor executes as described in any one of claim 1 to 8 the step of liquid overflow detection method.
12. a kind of cookware, which is characterized in that the cookware is equipped with liquid overflow checking device as claimed in claim 9.
13. cookware according to claim 12, which is characterized in that the cookware includes pot body, corresponding, the liquid
Overflow checking device is arranged on the outer wall of the pot body.
14. cookware according to claim 12, which is characterized in that the cookware includes pot and pot cover, corresponding, institute
Liquid overflow checking device is stated to be arranged on the pot cover.
15. a kind of electromagnetic heating component, which is characterized in that the electromagnetic heating component includes: heating device, and, such as right
It is required that 12 to 14 described in any item cookwares.
16. electromagnetic heating component according to claim 15, which is characterized in that be equipped with communication connection in the heating device
Controller and the second wireless transmit/receive units；
Second wireless transmit/receive units and the liquid overflow checking device communicate to connect；
The controller is used to receive the anti-spilled of the liquid overflow checking device sending through second wireless transmit/receive units
Instruction, and the heating power changed according to the anti-spilled instruction.
17. electromagnetic heating component according to claim 15 or 16, which is characterized in that the heating device is electromagnetic oven.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265902.6A CN110313825B (en) | 2018-03-28 | 2018-03-28 | Liquid overflow detection method and device, pot and electromagnetic heating assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265902.6A CN110313825B (en) | 2018-03-28 | 2018-03-28 | Liquid overflow detection method and device, pot and electromagnetic heating assembly |
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| CN110313825A true CN110313825A (en) | 2019-10-11 |
| CN110313825B CN110313825B (en) | 2021-07-16 |
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ID=68110182
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| CN110313825B (en) | 2021-07-16 |
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