CN109419315A - Liquid overflow detection method and device, cookware, electromagnetic heating component - Google Patents
Liquid overflow detection method and device, cookware, electromagnetic heating component Download PDFInfo
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- 239000007788 liquid Substances 0.000 title claims abstract description 370
- 238000010438 heat treatment Methods 0.000 title claims abstract description 95
- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 230000005574 cross-species transmission Effects 0.000 claims description 38
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- 238000004590 computer program Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 30
- 230000008569 process Effects 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 235000014347 soups Nutrition 0.000 description 14
- 238000012545 processing Methods 0.000 description 13
- 238000009835 boiling Methods 0.000 description 8
- 238000010411 cooking Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
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- 235000013305 food Nutrition 0.000 description 6
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- 238000004364 calculation method Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 235000021056 liquid food Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 210000003934 vacuole Anatomy 0.000 description 1
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Classifications
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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
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- 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
- A47J27/62—Preventing boiling over, e.g. of milk by devices for automatically controlling the heat supply by switching off heaters or for automatically lifting the cooking-vessels
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/002—Stoves
-
- 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
- G01F23/28—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 by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- 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
- G01F23/28—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 by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- 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
- G01F23/28—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 by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Food Science & Technology (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
The present invention provides a kind of liquid overflow detection method and device, cookware, electromagnetic heating component, which includes: to generate liquid level signal according to the fluid level condition of liquid in container in the heating process of the liquid in the container for being stamped cover board；Judge whether the liquid is in overflow status according to the variation tendency of the liquid level 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:
In the heating process of liquid in the container for being stamped cover board, liquid level is generated according to the fluid level condition of liquid in container
Signal；
Judge whether the liquid is in overflow status according to the variation tendency of the liquid level signal.
Further, using the sensor being arranged on the cover board according to the distance between the liquid level in cover board to container
Fluid level condition is obtained, and liquid level signal is generated according to the fluid level condition.
Further, the sensor is ultrasonic sensor, infrared distance sensor or microwave remote sensor.
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 liquid level signal judges whether the liquid is in shape to be overflowed
State, comprising:
Liquid level change curve is generated according to the variation tendency of the liquid level signal；
Judge whether the liquid is in overflow status based on the liquid level change curve.
It is further, described to judge whether the liquid is in overflow status based on the liquid level change curve, comprising:
Judge whether the liquid level change 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 liquid level 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 spilling section is corresponding when liquid bubble starts to overflow for the first time in the test liquid being heated
Container in the first liquid level signal value and liquid in container of liquid bubble when opening the cover board of the container for the first time the
Interval range between two liquid level signal values.
Further, the liquid level change curve is to originate time point according to self-identifying to obtain to the liquid level 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 liquid level signal.
Second aspect, the present invention provide a kind of liquid overflow checking device, and the liquid overflow checking device includes:
Liquid level signal detection module, in the heating process for the liquid in the container for being stamped cover board, according in container
The fluid level condition of liquid generates liquid level signal；
To overflow status determination module, for judging whether the liquid is according to the variation tendency of the liquid level 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, and the cookware includes pot and pot cover；
The pot cover is equipped with the liquid overflow checking device.
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 container for being stamped cover board
In liquid heating process in, according in container liquid fluid level condition generate liquid level signal；According to the liquid level signal
Variation tendency judges whether the liquid is in overflow status；Can guarantee cookware in liquid by it is cooked while, accurately
And reliably liquid spilling is detected, and then the liquid in cookware can be effectively prevent to overflow, avoid electromagnetic oven use
Improperly safe sequel also improves the intelligence degree cooked using electromagnetic oven, and then improves 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 signal for carrying out liquid overflow checking in liquid overflow detection method of the invention using microwave remote sensor
Figure；
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- liquid level sensor；The first wireless transmit/receive units of 5-；6- heating dress
It sets；7- electromagnetic oven；71- heating coil；72-IGBT driving switch；73- microcontroller；The second wireless transmit/receive units of 74-.
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 liquid level to change, and the variation of these liquid levels has certain measurable rule, can pass through sensing
Device detects to obtain, and is changed according to the liquid level of liquid and generate electric signal.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: in the heating process of the liquid in the container for being stamped cover board, being generated according to the fluid level condition in container
Liquid level signal.
In step 100, liquid overflow checking device continuously detects the liquid for the heated liquid being stamped in the container of cover board
Position signal, and according to the liquid level change curve of liquid level signal generation heated liquid.It is understood that the liquid overflows
Detection device can be used for the liquid level detection device of the liquid level signal of the heated liquid in detection container by control out, to obtain
The liquid level signal for the heated liquid for taking the liquid level detection device to detect, in addition, the liquid overflow checking device can also be with
It is integrated with detection and liquid level detection, carrys out the liquid level signal of the heated liquid in direct detection container.
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 liquid level signal.
In step 200, the variation tendency of the liquid level signal is the liquid that time point to current time point is originated according to self-identifying
Position signal and obtain, and the identification starting time point be the time point begun to warm up, or be from beginning to warm up by second
Time point after period, or meet the time point for identifying initial conditions for liquid level signal.In the foregoing description, the continuous detection quilt
The movement for heating the liquid level signal of liquid can occur send out when heating device just starts and heats container
Life is after heating device starts a period of time, but a period of time described here is not to be exceeded liquid in container and starts to generate liquid
The duration of bubble, for example, if research staff known according to actual experiment result start in liquid generate liquid bubble when
Between be 3 minutes after heating device starting after, then above-mentioned a period of time can be equipped with as less than 3 minutes, such as 30 seconds
Or 1 minute, the consumption in operation that can reduce the executive device of detection operation is done so, improves its service life, while also can
Guarantee the accuracy of its detection.
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, liquid level sensor is used to generate electric signal as liquid according to the fluid level condition of liquid
The height value of position signal, liquid level indicates liquid level signal strength.Wherein, the liquid level sensor is ultrasonic sensor, infrared survey
Away from sensor or microwave remote sensor.
In a kind of concrete example, the liquid level sensor be can be set on the lower surface of pot cover, and the liquid level is passed
The non-liquid level perception face of sensor is fixedly connected with the lower surface of the pot cover, so that when pot cover is placed in pot body,
The liquid level perception face of the liquid level sensor is oppositely arranged with pot nside, so that the liquid level of the liquid level sensor perceives
Face can directly and precisely obtain liquid level in pot and change, meanwhile, hole can be opened up on the lower surface of pot cover, liquid level is passed
Sensor is fixed in the hole, and the liquid level of liquid level sensor perception face is positioned close to the position of hole,
In a preferred embodiment, the liquid level of the liquid level sensor can be perceived into the surface that hole is arranged in face,
So that the liquid level perception face of liquid level sensor directly can obtain pot body by hole when pot cover is placed in pot body
Interior liquid level variation.
In the description of above-mentioned ultrasonic sensor, ultrasonic distance measurement principle is to issue ultrasound in ultrasonic transmission device
Wave, its basis is time difference when receiver is connected to ultrasonic wave, similar to radar range finding principle.Ultrasonic transmitter is to a certain
Direction emits ultrasonic wave, starts timing while emission time, ultrasonic wave is propagated in air, is encountered barrier on the way and is just stood
It returns, ultrasonic receiver receives back wave and just stops timing immediately.The aerial spread speed of ultrasonic wave is 340m/
S, according to the time t of timer record, so that it may calculate distance (s) of the launch point away from barrier, it may be assumed that s=340t/2)；When
The liquid level that bubble in pot is formed is increased to when will be close to pot cover, and ultrasonic sensor identifies the height of at this moment liquid level, judgement
For soup in pot or congee, it will overflow outward, the single-chip microcontroller of at this moment spill over processing sends one by radio receiving transmitting module
A spill over is to electromagnetic oven；Spill over is detected by being measured Baoshang with ultrasonic sensor or being cooked congee to work as in the process
When, electromagnetic oven automatically reduces heating power, is then slowly boiled in a covered pot over a slow fire domestic food materials with mild fire ripe, avoids spilling.Upper
It states in the description of infrared distance sensor, as long as its humidity of any substance is higher than absolute zero, has infrared ray to sky around
Between radiate.Its wavelength is between visible light and microwave, its wave-length coverage is substantially in 0.75 μM -1000 μM of spectral range
Within, infrared ray together forms entire wireless continuous with visible light, ultraviolet light, x-ray, y ray and microwave, radio wave
Electromagnetic spectrum.Range measurement principle can be attributed to the time required for the measurement round-trip target of light substantially, then pass through light velocity c=
299792458m/s and atmospheric refraction coefficient n calculate distance D.When be increased to will be close to pot cover for the liquid level that the bubble in pot is formed
When, infrared distance sensor identifies the height of at this moment liquid level, is judged as soup or congee in pot, it will overflows outward, at this moment
The single-chip microcontroller of spill over processing sends a spill over to electromagnetic oven by radio receiving transmitting module.By with infrared distance measurement
Sensor measurement Baoshang or during cooking congee when detecting spill over, electromagnetic oven automatically reduces heating power,
Then slowly domestic food materials are boiled in a covered pot over a slow fire with mild fire ripe, avoids spilling.
In the description of above-mentioned microwave remote sensor, microwave is electromagnetic wave of the wavelength between 0.1m~1mm.Work is former
Reason: being oriented by microwave emitter and issue microwave signal, and when encountering testee, microwave signal part object to be detected absorbs, portion
Divide and is then reflected.The reflected microwave signal of measured object is received using receiving antenna, detects its electromagnetic parameter, then by measurement electricity
Road processing is achieved that microwave detects.Tellurometer survey principle, as shown in Figure 2:
When the liquid level that the bubble in pot is formed is increased to will be close to pot cover when, tellurometer survey sensor identifies at this moment liquid level
Height, be judged as soup or congee in pot, it will outward overflow, at this moment spill over processing single-chip microcontroller, by wirelessly receiving
It sends out module and sends a spill over to electromagnetic oven.By working as inspection with tellurometer survey sensor measurement Baoshang or during cooking congee
When measuring spill over, electromagnetic oven automatically reduces heating power, is then slowly boiled in a covered pot over a slow fire domestic food materials with mild fire ripe, keeps away
Exempt to overflow.
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 liquid level signal of the heated liquid in the continuous detection container of liquid level sensor, root
The liquid level signal detected according to liquid level sensor generates the liquid level change curve in real time, and the liquid level sensor and controller connect
It connects, and is arranged on the cover board.
In a specific embodiment, if in step 200 according to the judgement of the variation tendency of the liquid level signal
Liquid is in overflow status, then further includes following content after the step 200 of liquid overflow detection method of the invention:
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 to the container.
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 device to the heating power of the container, so that the container is being heated continuously according to the anti-spilled instruction
While, the cover board of the 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: liquid level change curve is generated according to the variation tendency of the liquid level signal；
Step 202: judging whether the liquid is in overflow status based on the liquid level change curve.
It is understood that the liquid level change 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 liquid level 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 liquid level signal.Referring to fig. 4, during heating, the liquid acquired in real time
Position change curve constantly extended with the time, when begun to decline after liquid level change curve reaches highest point to preset point 1 again
Then meet the first preset condition, determine liquid boiling, such as continue to heat, curve continues then to meet when decline reaches preset point 2
Second preset condition, judgement liquid are violent fluidized state.
Step 202 specifically includes following content:
Step 202a: judge liquid level change 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 liquid level signal of liquid and between the time
Corresponding relationship, and be identified in the standard spill over curve overflow section, wherein the spilling section is heated
Corresponding first liquid level signal value is pushed up for the first time with liquid bubble in liquid when test starts to overflow for the first time with liquid bubble in liquid
The interval range between the second liquid level signal value when opening the cover board of the container.
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 liquid level 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 liquid level signal, and in the present embodiment, the value of the liquid level signal is liquid level
The amplitude of signal.
In the foregoing description, the liquid overflow checking device is according to the mark of the liquid level change curve and pre-acquiring
Whether the spilling section in quasi- spill over curve matches, and then the concrete mode for carrying out anti-spilled control can be with are as follows: at one
In same period, the curve ripple of the liquid level change curve emotionally condition and/or curve shape are determining respectively to overflow with the standard
The curve ripple emotionally similarity between condition and/or curve shape in the spilling section of signal curve, if the song of liquid level change curve
The similarity that line fluctuates the curve ripple in the spilling section of situation and the standard spill over curve emotionally condition is greater than default fluctuation
Value, and/or, if the curve shape in the spilling section of the curve shape of liquid level change curve and the standard spill over curve
Similarity is greater than preset shape value, then determines in the liquid level change curve and the standard spill over curve of pre-acquiring
Section is overflowed to match.
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, level value caused by the liquid bubble in container can also change, when the soup in container
When boiling, steam in container, when reaching a certain amount of, when the amplitude of the liquid level signal in container reaches 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 liquid level sensor 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 liquid level 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 the second liquid level 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 liquid level signal value when liquid bubble starts to overflow for the first time,
Upper limit value is the interval range between the second liquid level signal value when liquid bubble opens container cover plate for the first time, subsequent curve it is every
Valley is the amplitude of corresponding liquid level signal when container cover plate is fallen at one, and everywhere peak value is that container cover plate is pushed up again
The amplitude of corresponding liquid level signal when opening.
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:
Liquid level signal detection module 10, in the heating process for the liquid in the container for being stamped cover board, according to container
Interior fluid level condition generates liquid level signal.
To overflow status determination module 20, for judging whether the liquid is located according to the variation tendency of the liquid level 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: in the heating process of the liquid in the container for being stamped cover board, according to the fluid level condition of liquid in container
Generate liquid level signal.
Step 200: judging whether the liquid is in overflow status according to the variation tendency of the air pressure 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: in the heating process of the liquid in the container for being stamped cover board, according to the fluid level condition of liquid in container
Generate liquid level signal.
Step 200: judging whether the liquid is in overflow status according to the variation tendency of the air pressure 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 the liquid overflow checking device of embodiment three,
And it includes controller 3 in controller 3 and the liquid overflow checking device that the liquid overflow checking device, which includes, and, with
The liquid level sensor 4 and the first wireless transmit/receive units 5 that controller 3 connects；First wireless transmit/receive units 5 with to the pot body
The heating device 6 of 1 heating communicates to connect.
In the present embodiment, the controller 3 can be specially a kind of single-chip microcontroller.
Wherein, the liquid level sensor 4 is ultrasonic sensor, infrared distance sensor or microwave remote sensor.
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 liquid being arranged on the pot cover 2
Level sensor 4 continuously detects the liquid level signal for the heated liquid being stamped in the pot body 1 of pot cover 2.
2) controller 3 obtains the liquid level signal that the liquid level sensor 4 detects, and raw according to the liquid level signal
At the signal curve of liquid level signal, wherein the signal curve of the liquid level signal be used for show the liquid level signal value and when
Between between corresponding relationship, and be identified in the spill over curve overflow section.
3) controller 3 receives the liquid of the heated liquid in the pot body 1 for being stamped pot cover 2 that the liquid level sensor 4 is sent
Position signal.
4) controller 3 according to the spill over curve judge liquid level 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 liquid level being arranged on the pot cover 2
Sensor 4 continuously detects the liquid level signal for the heated liquid being stamped in the pot body 1 of pot cover 2.
2) controller 3 obtains the liquid level signal that the liquid level sensor 4 detects, and raw according to the liquid level signal
At liquid level change curve, wherein the liquid level change curve is corresponding between the value of the liquid level signal and time for showing
Relationship, and be identified in the spill over curve and overflow section.
3) controller 3 receives the liquid of the heated liquid in the pot body 1 for being stamped pot cover 2 that the liquid level sensor 4 is sent
Position signal.
4) controller 3 judges whether liquid level change 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 the liquid level on pot cover, and the data pass to signal processing and control
Molding block is the single-chip microcontroller for carrying out spill over processing；Have in the electromagnetic oven: the IGBT of control electromagnetic oven heating state
Tube drive circuit, for receive the fluidized state wireless transmitter sended over from pot cover and control MCU, the control of electromagnetic oven
MCU controls the switch state of GBT according to the fluidized state received.
As can be seen from the above description, the single-chip microcontroller for liquid level signal processing in the technical solution of above-mentioned application example, often
Liquid level signal is sampled every a period of time, obtains the initial data of liquid level signal, then to the initial data of liquid level 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 liquid level change 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 (16)
1. a kind of liquid overflow detection method, which is characterized in that the liquid overflow detection method includes:
In the heating process of liquid in the container for being stamped cover board, liquid level letter is generated according to the fluid level condition of liquid in container
Number；
Judge whether the liquid is in overflow status according to the variation tendency of the liquid level signal.
2. liquid overflow detection method according to claim 1, which is characterized in that use the biography being arranged on the cover board
Sensor obtains fluid level condition according to the distance between the liquid level in cover board to container, and generates liquid level letter according to the fluid level condition
Number.
3. liquid overflow detection method according to claim 2, which is characterized in that the sensor is supersonic sensing
Device, infrared distance sensor or microwave remote sensor.
4. 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.
5. liquid overflow detection method according to claim 1, which is characterized in that the change according to the liquid level signal
Change whether liquid described in Trend judgement is in overflow status, comprising:
Liquid level change curve is generated according to the variation tendency of the liquid level signal；
Judge whether the liquid is in overflow status based on the liquid level change curve.
6. liquid overflow detection method according to claim 5, which is characterized in that described to be based on the liquid level change curve
Judge whether the liquid is in overflow status, comprising: judge whether the liquid level change curve is excessive with the standard of pre-acquiring
The spilling section in signal curve matches out, wherein the standard spill over curve is used to show the liquid level signal of liquid
Value and the corresponding relationship between the time, and be identified in the standard spill over curve overflow section；
If so, determining that the liquid enters to overflow status.
7. liquid overflow detection method according to claim 6, which is characterized in that the spilling section is the survey being heated
Liquid bubble in the first liquid level signal value and liquid when liquid bubble starts to overflow for the first time in liquid on probation in corresponding container
The interval range between the second liquid level signal value in container when opening the cover board of the container for the first time.
8. liquid overflow detection method according to claim 5, which is characterized in that according to the liquid level change curve certainly
Identification starting time point to current time point liquid level signal and the curve that obtains.
9. liquid overflow detection method according to claim 8, 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 liquid level signal meet identify initial one
The time point of part.
10. a kind of liquid overflow checking device, which is characterized in that the liquid overflow checking device includes:
Liquid level signal detection module, in the heating process for the liquid in the container for being stamped cover board, according to liquid in container
Fluid level condition generate liquid level signal；
To overflow status determination module, for judging whether the liquid is in wait overflow according to the variation tendency of the liquid level signal
It does well.
11. 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 9 when executing described program
The step of output detection method.
12. 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 9 the step of liquid overflow detection method.
13. a kind of cookware, which is characterized in that the cookware includes pot and pot cover；
The pot cover is equipped with liquid overflow checking device as claimed in claim 10.
14. 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 cookware described in 13.
15. electromagnetic heating component according to claim 14, 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.
16. electromagnetic heating component according to claim 14 or 15, which is characterized in that the heating device is electromagnetic oven.
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