CN109077622A - The electromagnetic heating control method and electric cooker of electric cooker - Google Patents
The electromagnetic heating control method and electric cooker of electric cooker Download PDFInfo
- Publication number
- CN109077622A CN109077622A CN201710446768.5A CN201710446768A CN109077622A CN 109077622 A CN109077622 A CN 109077622A CN 201710446768 A CN201710446768 A CN 201710446768A CN 109077622 A CN109077622 A CN 109077622A
- Authority
- CN
- China
- Prior art keywords
- liner
- preset
- heating
- electric cooker
- electromagnetic heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 451
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000000919 ceramic Substances 0.000 claims abstract description 190
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 181
- 235000013305 food Nutrition 0.000 claims abstract description 44
- 241000209094 Oryza Species 0.000 claims description 132
- 235000007164 Oryza sativa Nutrition 0.000 claims description 132
- 235000009566 rice Nutrition 0.000 claims description 132
- 230000005291 magnetic effect Effects 0.000 claims description 73
- 230000033228 biological regulation Effects 0.000 claims description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 230000005611 electricity Effects 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000005307 ferromagnetism Effects 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 235000012054 meals Nutrition 0.000 claims description 4
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 230000006870 function Effects 0.000 description 49
- 230000005355 Hall effect Effects 0.000 description 36
- 238000009835 boiling Methods 0.000 description 17
- 238000010411 cooking Methods 0.000 description 15
- 210000000232 gallbladder Anatomy 0.000 description 11
- 235000013339 cereals Nutrition 0.000 description 10
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 9
- 229920002472 Starch Polymers 0.000 description 8
- 235000019698 starch Nutrition 0.000 description 8
- 239000008107 starch Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000009194 climbing Effects 0.000 description 4
- 235000016709 nutrition Nutrition 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- A47J36/2483—Warming devices with 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses the electromagnetic heating control method and electric cooker of a kind of electric cooker, the electromagnetic heating control method of the electric cooker includes: when receiving heating function key command, and whether detect in electric cooker has liner；When having liner in electric cooker, the type of liner is identified；When liner is irony liner, according to heating function key command is received, the electromagnetic heating circuit controlled in electric cooker carries out electromagnetic heating to the food in liner according to preset irony liner computer heating control rule；When liner is ferromagnetic ceramic liner, according to heating function key command is received, the electromagnetic heating circuit controlled in electric cooker carries out electromagnetic heating to the food in liner according to preset ferromagnetic ceramic liner computer heating control rule.The present invention can identify the liner type of electric cooker, and carry out electromagnetic heating control respectively for different types of liner.
Description
Technical field
The present invention relates to electric cooker field more particularly to the electromagnetic heating control methods and electric cooker of a kind of electric cooker.
Background technique
With the development of economy and the raising of the level of consumption, existed using the electric cooker (abbreviation IH rice cooker) of electromagnetic heating technique
It is domestic more more and more universal.Liner used in current IH rice cooker is all usually irony liner, and the inner wall of irony liner is coated with
One layer of non-sticking lining, makes irony liner not glue pot when cooking, food waste is minimized, while can also make cookware more
It is easy to clean.However, non-sticking lining is easy to fall off, so that not gluing after the irony liner for being coated with non-sticking lining is used for a long time
Coating is possible to infiltrate food, so as to cause IH rice cooker using irony liner come when being cooked, there are some potential safety problemss.
And since ferromagnetic ceramic pot (spraying ferrimagnet in the bottom of ceramic pan) holds as electromagnetic heating culinary art
When device, great advantage be heated and heat dissipation uniformly, and can long-time heat preservation, therefore, if can be using ferromagnetic ceramic pot as IH
The liner of rice cooker, carries out electromagnetic heating in IH rice cooker, then can satisfy user using IH rice cooker and carry out the demands such as Baoshang.And
And relative to irony liner, the surface of ferromagnetic ceramic liner does not need spraying non-sticking lining, therefore, ferromagnetic ceramic liner
Has the advantages that natural health and highly-safe.However, due to the heating effect of ferromagnetic ceramic pot and temperature rise speed etc. and mesh
All there is difference in the preceding irony liner for IH rice cooker, therefore, when ferromagnetic ceramic pot is for carrying out electromagnetic heating in IH rice cooker
When, it needs to identify the type of liner, and carry out electromagnetic heating control respectively for different types of liner.
Summary of the invention
The main purpose of the present invention is to provide a kind of electromagnetic heating control methods of electric cooker, it is intended to solve electric cooker and adopt
Electromagnetic heating control problem when with different type liner.
To achieve the goals above, the present invention provides a kind of electromagnetic heating control method of electric cooker, the electric cooker
Electromagnetic heating control method the following steps are included:
S10, whether when receiving heating function key command, detecting in electric cooker has liner；
S20 identifies the type of the liner when having liner in electric cooker；The type of the liner include irony liner and
Ferromagnetic ceramic liner；
S30, according to the heating function key command is received, is controlled when the type of the liner is irony liner
Electromagnetic heating circuit in electric cooker carries out electromagnetism to the food in liner according to preset irony liner computer heating control rule and adds
Heat；
S40 refers to when the type of the liner is ferromagnetic ceramic liner according to the heating function key is received
It enables, controls the electromagnetic heating circuit in electric cooker according to preset ferromagnetic ceramic liner computer heating control rule to the food in liner
Object carries out electromagnetic heating.
Preferably, the step S20 includes:
S21 has liner in electric cooker, detects the magnetic field strength of predeterminated position in electric cooker；
S22 judges the liner when the magnetic field strength detected is greater than or equal to preset magnetic field strength threshold value
For irony liner；
S23 judges the liner to be ferromagnetic when the magnetic field strength detected is less than preset magnetic field strength threshold value
Property ceramic liner.
Preferably, the step S20 includes:
S21, when having liner in electric cooker, every preset time period is obtained in electric cooker detected by temperature sensing circuit
The temperature of the liner at the bottom；
S22, when the temperature gap of the adjacent liner at the bottom got twice is greater than or equal to preset temperature difference threshold
When, judge the liner for ferromagnetic ceramic liner；
S23, when the temperature gap of the adjacent liner at the bottom got twice is less than the preset temperature difference threshold,
Judge the liner for irony liner.
Preferably, the step S40 includes:
S41, when the type of the liner is ferromagnetic ceramic liner, and the heating function key command received is
When cooked instruction, the electromagnetic heating circuit in electric cooker is controlled according to preset first performance number to the ferromagnetic ceramic liner
Interior rice water is heated；
S42 controls the electromagnetic heating when rice coolant-temperature gage in the ferromagnetic ceramic liner reaches the first preset temperature
Circuit enters intermittent heated condition, stablizes the rice coolant-temperature gage in the ferromagnetic ceramic liner in the second preset temperature to institute
In the section for stating the first preset temperature；Second preset temperature is less than first preset temperature；
S43 controls the electromagnetic heating when the heating duration of the intermittent heated condition reaches the first preset duration
Circuit enters heating with full power state, until the rice coolant-temperature gage in the ferromagnetic ceramic liner is heated to the default temperature of third
Degree；The third preset temperature is greater than first preset temperature；
S44 controls the electromagnetic heating when rice coolant-temperature gage in the ferromagnetic ceramic liner reaches third preset temperature
Circuit heats or controls the electromagnetic heating circuit according to preset second performance number into the first Power Regulation heated condition；
S45 controls the electromagnetism and adds when the heating duration of the first Power Regulation heated condition reaches the second preset duration
Heater circuit enters the second Power Regulation heated condition, and the meter Shui in the ferromagnetic ceramic liner is heated to drying up, the ferromagnetism
Rice in ceramic liner becomes rice；
S46 controls the electromagnetic heating when rice temperature in the ferromagnetic ceramic liner reaches four preset temperatures
Circuit heats or controls the electromagnetic heating circuit according to preset third performance number and enters third Power Regulation heated condition, when heating
A length of third preset duration；4th preset temperature is greater than the third preset temperature.
Preferably, the first Power Regulation heated condition are as follows: the every heating of electromagnetic heating circuit then stops adding for 10 to 12 seconds
Heat 14 to 16 seconds；The second Power Regulation heated condition are as follows: the every heating of the electromagnetic heating circuit then stop within 6 to 8 seconds heating 14 to
16 seconds；The third Power Regulation heated condition are as follows: the every heating of electromagnetic heating circuit then stops heating 14 to 16 seconds for 4 to 6 seconds；Institute
The time range for stating the first preset duration is more than or equal to 14 minutes and to be less than or equal to 16 minutes, second preset duration
Time range be more than or equal to 8 minutes and be less than or equal to 10 minutes, the time range of the third preset duration is big
In or be equal to 4 minutes and be less than or equal to 5 minutes.
In addition, to achieve the above object, the present invention also provides a kind of electric cooker, the electric cooker includes electromagnetic heating control
Device, the electromagnetic heating control device include master controller, liner identification circuit and electromagnetic heating circuit；Wherein:
The liner identification circuit, for identifying in described when the master controller, which detects, has liner in electric cooker
The type of gallbladder；The type of the liner includes irony liner and ferromagnetic ceramic liner；
The electromagnetic heating circuit, for carrying out electromagnetic heating to the food in liner described in electric cooker；
The master controller, for whether when receiving heating function key command, detecting in electric cooker to have liner；With
And it when the type of the liner is irony liner, according to the heating function key command is received, controls the electromagnetism and adds
Heater circuit carries out electromagnetic heating to the food in liner according to preset irony liner computer heating control rule；When the class of the liner
Type be ferromagnetic ceramic liner when, according to the heating function key command is received, control the electromagnetic heating circuit according to
Preset ferromagnetic ceramic liner computer heating control rule carries out electromagnetic heating to the food in liner.
Preferably, the liner identification circuit is specifically used for: when detecting has liner in electric cooker, detecting in electric cooker
The magnetic field strength of predeterminated position, and when the magnetic field strength detected is greater than or equal to preset magnetic field strength threshold value,
The first identification signal is exported to the master controller；When the magnetic field strength detected is less than preset magnetic field strength threshold value
When, the second identification signal of output to the master controller；
The master controller is also used to: when receiving first identification signal of the liner identification circuit output,
Judge that the liner for irony liner, when receiving second identification signal of the liner identification circuit output, judges
The liner is ferromagnetic ceramic liner.
Preferably, the electromagnetic heating control device further includes temperature sensing circuit, and the temperature sensing circuit is for examining
Survey the bottom temp of the liner；
The master controller is specifically used for: when detecting has liner in electric cooker, described in every preset time period acquisition
The temperature of the liner at the bottom detected by temperature sensing circuit；And when the adjacent liner at the bottom got twice
When temperature gap is greater than or equal to preset temperature difference threshold, judge the liner for ferromagnetic ceramic liner；It is obtained twice when adjacent
When the temperature gap for the liner at the bottom got is less than the preset temperature difference threshold, judge the liner for irony liner.
Preferably, the master controller is also used to:
When the liner type be ferromagnetic ceramic liner, and the heating function key command received be cook
When instruction, the electromagnetic heating circuit in electric cooker is controlled according to preset first performance number in the ferromagnetic ceramic liner
Rice water is heated；
When rice coolant-temperature gage in the ferromagnetic ceramic liner reaches the first preset temperature, the electromagnetic heating circuit is controlled
Into intermittent heated condition, stablize rice coolant-temperature gage in the ferromagnetic ceramic liner in the second preset temperature to described the
In the section of one preset temperature；
When the heating duration of the intermittent heated condition reaches the first preset duration, the electromagnetic heating circuit is controlled
Into heating with full power state, until the rice coolant-temperature gage in the ferromagnetic ceramic liner is heated to third preset temperature；Institute
Third preset temperature is stated greater than first preset temperature；
When rice coolant-temperature gage in the ferromagnetic ceramic liner reaches third preset temperature, the electromagnetic heating circuit is controlled
The electromagnetic heating circuit is heated or controlled according to preset second performance number into the first Power Regulation heated condition；
When the heating duration of the first Power Regulation heated condition reaches the second preset duration, the electromagnetic heating electricity is controlled
Road enters the second Power Regulation heated condition, and the meter Shui in the ferromagnetic ceramic liner is heated to drying up, the ferromagnetic ceramic
Rice in liner becomes rice；
When rice temperature in the ferromagnetic ceramic liner reaches four preset temperatures, the electromagnetic heating circuit is controlled
The electromagnetic heating circuit is heated or controlled according to preset third performance number and enters third Power Regulation heated condition, and when heating is a length of
Third preset duration；4th preset temperature is greater than the third preset temperature.
Preferably, the first Power Regulation heated condition are as follows: the every heating of electromagnetic heating circuit then stops adding for 10 to 12 seconds
Heat 14 to 16 seconds；The second Power Regulation heated condition are as follows: the every heating of the electromagnetic heating circuit then stop within 6 to 8 seconds heating 14 to
16 seconds；The third Power Regulation heated condition are as follows: the every heating of electromagnetic heating circuit then stops heating 14 to 16 seconds for 4 to 6 seconds；Institute
The time range for stating the first preset duration is more than or equal to 14 minutes and to be less than or equal to 16 minutes, second preset duration
Time range be more than or equal to 8 minutes and be less than or equal to 10 minutes, the time range of the third preset duration is big
In or be equal to 4 minutes and be less than or equal to 5 minutes.
The present invention provides a kind of electromagnetic heating control method of electric cooker, and the electromagnetic heating control method of the electric cooker includes
Following steps: S10, whether when receiving heating function key command, detecting in electric cooker has liner；S20 has in electric cooker
When liner, the type of the liner is identified；The type of the liner includes irony liner and ferromagnetic ceramic liner；S30 works as institute
When the type for stating liner is irony liner, according to the heating function key command is received, the electromagnetism controlled in electric cooker adds
Heater circuit carries out electromagnetic heating to the food in liner according to preset irony liner computer heating control rule；S40, when the liner
Type when being ferromagnetic ceramic liner, according to the heating function key command is received, the electromagnetism controlled in electric cooker adds
Heater circuit carries out electromagnetic heating to the food in liner according to preset ferromagnetic ceramic liner computer heating control rule.Electricity of the invention
The electromagnetic heating control method of rice cooker, can recognize that the liner type of electric cooker, and for different types of liner respectively into
The control of row electromagnetic heating.
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 only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the flow diagram of the electromagnetic heating control method first embodiment of electric cooker of the present invention；
Fig. 2 is the flow diagram of the electromagnetic heating control method second embodiment of electric cooker of the present invention；
Fig. 3 is the flow diagram of the electromagnetic heating control method 3rd embodiment of electric cooker of the present invention；
Fig. 4 is the flow diagram of the electromagnetic heating control method fourth embodiment of electric cooker of the present invention
Fig. 5 is the modular structure schematic diagram of electromagnetic heating control device in one embodiment of electric cooker of the present invention；
Fig. 6 is the electrical block diagram of electromagnetic heating control device in one embodiment of electric cooker of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of electromagnetic heating control method of electric cooker, and the electromagnetic heating control method of the electric cooker is main
Applied to the control system of electric cooker, the liner type of electric cooker for identification, and carried out respectively for different types of liner
Electromagnetic heating control, selects different liners the needs of cooking to meet user.Electric cooker in the present embodiment refers to IH
Electric cooker, i.e. electromagnetic heating electric rice cooker.
Referring to Fig.1, in one embodiment, the electric cooker electromagnetic heating control method the following steps are included:
Step S10, whether when receiving heating function key command, detecting in electric cooker has liner；
Step S20 identifies the type of the liner when having liner in electric cooker；The type of the liner includes in irony
Gallbladder and ferromagnetic ceramic liner；
Specifically, in the present embodiment, (" cooking " is such as pressed when user presses corresponding heating function key on electric cooker
When key), electric cooker can receive corresponding heating function key command, the electromagnetic heating controlling party of the present embodiment electric cooker
Method, whether when electric cooker receives heating function key command, detecting in electric cooker has liner, has when detecting in electric cooker
When liner, the type of the liner is identified.In the present embodiment, the type of the liner includes in irony liner and ferromagnetic ceramic
Gallbladder.In the present embodiment, the bottom of the ferromagnetic ceramic liner is coated with ferrimagnet.
Step S30, when the type of the liner is irony liner, according to receiving the heating function key command,
The electromagnetic heating circuit controlled in electric cooker carries out electricity to the food in liner according to preset irony liner computer heating control rule
Magnetic heating；
S40 refers to when the type of the liner is ferromagnetic ceramic liner according to the heating function key is received
It enables, controls the electromagnetic heating circuit in electric cooker according to preset ferromagnetic ceramic liner computer heating control rule to the food in liner
Object carries out electromagnetic heating.
Specifically, in the present embodiment, since ferromagnetic ceramic liner is issued merely by the ferrimagnet of its bottom
Heat, and ferrimagnet issue heat be the food passed to by way of heat transfer in liner, and then to food into
Row heating, and since the coefficient of heat conduction of ceramic material is less than 2W/m.K, the coefficient of heat conduction of iron material is greater than 10W/m.K, i.e.,
The coefficient of heat conduction of ferromagnetic ceramic liner is different with the coefficient of heat conduction of irony liner, therefore, the heating of ferromagnetic ceramic liner
When, the temperature rise of food is slower in liner, also, ferromagnetic ceramic liner, when stopping heating, thermal inertia is larger.
It is different just because of the coefficient of heat conduction of irony liner and the coefficient of heat conduction of ferromagnetic ceramic liner, therefore, this
The heating function key that the electromagnetic heating control method of embodiment electric cooker needs the type according to liner and receives
Instruction (such as cooked instruction or Baoshang instruction), control electric cooker carry out different electromagnetic heating work (mainly watt levels
Control and heating time control), so that electric cooker is made more palatable and more nutrition food, to meet user's
Taste demand and nutritional need.Specifically, in the present embodiment, when the type of the liner is irony liner, according to receiving
The heating function key command controls the electromagnetic heating circuit in electric cooker according to preset irony liner computer heating control rule
Electromagnetic heating is carried out to the food in liner；It is according to receiving when the type of the liner is ferromagnetic ceramic liner
Heating function key command, the electromagnetic heating circuit controlled in electric cooker are advised according to preset ferromagnetic ceramic liner computer heating control
Electromagnetic heating then is carried out to the food in liner.
The electromagnetic heating control method of the present embodiment electric cooker, firstly, when receiving heating function key command, detection
Whether there is liner in electric cooker；Then, when there is liner in electric cooker, identify the liner type (including irony liner and
Ferromagnetic ceramic liner)；When the type of the liner is irony liner, according to receiving the heating function key command,
The electromagnetic heating circuit controlled in electric cooker carries out electricity to the food in liner according to preset irony liner computer heating control rule
Magnetic heating；When the type of the liner is ferromagnetic ceramic liner, according to the heating function key command is received, control
Electromagnetic heating circuit in electric cooker carries out the food in liner according to preset ferromagnetic ceramic liner computer heating control rule
Electromagnetic heating.The electromagnetic heating control method of the present embodiment electric cooker can recognize that the liner type of electric cooker, and for not
The liner of same type carries out electromagnetic heating control respectively, selects different liners the needs of cooking to meet user.
Further, referring to Fig. 2, the electromagnetic heating control method first embodiment based on electric cooker of the present invention, in this hair
In the electromagnetic heating control method second embodiment of bright electric cooker, above-mentioned steps S20 includes:
S21 has liner in electric cooker, detects the magnetic field strength of predeterminated position in electric cooker；
S22 judges the liner when the magnetic field strength detected is greater than or equal to preset magnetic field strength threshold value
For irony liner；
S23 judges the liner to be ferromagnetic when the magnetic field strength detected is less than preset magnetic field strength threshold value
Property ceramic liner.
Specifically, in the present embodiment, when detecting has liner in electric cooker, the magnetic field of predeterminated position in electric cooker is detected
Intensity, wherein the range of above-mentioned predeterminated position can be set according to demand, in the present embodiment, the model of the predeterminated position
Lateral wall 1 for the liner at the bottom 10 apart from electric cooker to 15cm and from the liner is enclosed to the position of 1.2cm.Preferably, originally
In embodiment, the predeterminated position is the liner at the bottom 10cm apart from electric cooker and the position from the liner lateral wall 1cm.
It is understood that the present embodiment can be detected in electric cooker by digital latch type hall effect sensor
The magnetic field strength of above-mentioned predeterminated position, digital latch type hall effect sensor pass through the master control of wired connection mode and electric cooker
Device connection processed.The present embodiment magnetic field strength according to detected by the digital latch type hall effect sensor, identifies electricity
Liner in rice cooker is irony liner or ferromagnetic ceramic liner.In addition, in the present embodiment, it can be in the digital latch type
A plastic film is arranged in the end face of liner described in the face of hall effect sensor, to prevent the digital latch type Hall effect
Sensor is damaged because of water inlet.In the present embodiment, the plastic film with a thickness of 2mm.
In the present embodiment, when the digital latch type hall effect sensor detects the above-mentioned predeterminated position in electric cooker
Magnetic field strength be greater than or equal to preset magnetic field strength threshold value when, judge the liner for irony liner；When the digital phase-locking
The type hall effect sensor of depositing detects that the magnetic field strength of the above-mentioned predeterminated position in electric cooker is less than preset magnetic field strength threshold
When value, judge the liner for ferromagnetic ceramic liner.Above-mentioned preset magnetic field strength threshold value, which can according to need, to be set.
Due to learning according to scientist's detection study, the magnetic field strength of the earth of human living is about (0.3-0.6) × 10^ (- 4) Te Si
Draw, when electric cooker is heated using irony liner, irony liner is magnetized, and becomes magnet carrier, and externally display is magnetic, away from
From the height and position that liner at the bottom is less than 10cm, the magnetic field strength that the digital latch type hall effect sensor detects will be big
In 10 milli teslas.When electric cooker is heated using ferromagnetic ceramic liner, the ferromagnetism of ferromagnetic ceramic liner at the bottom
It is magnetized, is substantially at outside magnetic field range in the position at ferromagnetic ceramic liner at the bottom 10cm, therefore, when electric cooker makes
When being heated with ferromagnetic ceramic liner, the magnetic field strength that the digital latch type hall effect sensor senses is substantially
Environmental magnetic field intensity (i.e. less than 10 milli teslas).Therefore, in the present embodiment, the preset magnetic field strength threshold value is that 10 millis are special
Si La, i.e., in the present embodiment, when the digital latch type hall effect sensor detects the above-mentioned predeterminated position in electric cooker
Magnetic field strength be greater than or equal to 10 milli tesla when, then judge that the liner for irony liner, otherwise, judges that the liner is
Ferromagnetic ceramic liner.
Specifically, in the present embodiment, when the digital latch type hall effect sensor detect it is above-mentioned in electric cooker
When the magnetic field strength of predeterminated position is greater than or equal to 10 milli tesla, the digital latch type hall effect sensor output first
Identification signal (in the present embodiment, first identification signal is low level) is to the master controller of electric cooker, as the master of electric cooker
Controller is read when electric cooker begins to warm up the first identification signal read (after heating 2S) after a certain period of time
When low level, the master controller judges the liner for irony liner.When the type of the liner is irony liner, electric meal
The master controller of pot controls the electromagnetic heating circuit in electric cooker according to preset according to the heating function key command received
Irony liner computer heating control rule carries out electromagnetic heating to the food in liner；
When the digital latch type hall effect sensor detects the magnetic field strength of the above-mentioned predeterminated position in electric cooker
When less than 10 milli tesla, it is (described in the present embodiment that the digital latch type hall effect sensor exports the second identification signal
Second identification signal is high level) to the master controller of electric cooker, when the master controller of electric cooker begins to warm up one in electric cooker
When the second identification signal read (after heating 2S) after fixing time, that is, when reading high level, the master controller is sentenced
The liner that breaks is ferromagnetic ceramic liner.When the type of the liner is ferromagnetic ceramic liner, the main control of electric cooker
Device controls the electromagnetic heating circuit in electric cooker according to preset ferromagnetic ceramic according to the heating function key command received
Liner computer heating control rule carries out electromagnetic heating to the food in liner.
The electromagnetic heating control method of the present embodiment electric cooker, according to the difference of the magnetic field strength of predeterminated position in electric cooker
Come identify electric cooker liner type, and electromagnetic heating control is carried out respectively for different types of liner, to meet user
The demand for selecting different liners to be cooked.
Further, referring to Fig. 3, the electromagnetic heating control method first embodiment based on electric cooker of the present invention, in this hair
In the electromagnetic heating control method 3rd embodiment of bright electric cooker, above-mentioned steps S20 includes:
S21, when having liner in electric cooker, every preset time period is obtained in electric cooker detected by temperature sensing circuit
The temperature of the liner at the bottom；
S22, when the temperature gap of the adjacent liner at the bottom got twice is greater than or equal to preset temperature difference threshold
When, judge the liner for irony liner；
S23, when the temperature gap of the adjacent liner at the bottom got twice is less than the preset temperature difference threshold,
Judge the liner for ferromagnetic ceramic liner.
Specifically, in the present embodiment, due under identical heating power, the heat of irony liner at the bottom soon can be with
The liquid being conducted in liner, the bottom temp of liner rise slowly, and ferromagnetic ceramic liner due to ceramics thermal conductivity compared with
Difference, therefore, the heat that the ferrimagnet of the bottom of ferromagnetic ceramic liner generates cannot soon be conducted to the food in liner
Object, so that the bottom temp of ferromagnetic ceramic liner rises comparatively fast.Therefore, the present embodiment can be begun to warm up in electric cooker one
Section the time in obtain liner at the bottom temperature, then judged according to the climbing speed of liner at the bottom temperature be in electric cooker in
Gallbladder is irony liner or ferromagnetic ceramic liner.
In the present embodiment, the range of above-mentioned preset time period and above-mentioned temperature difference threshold can according to need and set, this
In embodiment, the range of the preset time period is 1 to 5 second, and the range of the temperature difference threshold is 3 to 5 DEG C.Preferably, i.e., originally
In embodiment, the preset time period is 1 second, and the temperature difference threshold is 3 DEG C.In the present embodiment, have when detecting in electric cooker
When liner, begin to warm up in electric cooker after a certain period of time (after heating 2S), every temperature detection electricity in 1 second acquisition electric cooker
The temperature of the liner at the bottom detected by road, be greater than when the temperature gap of the adjacent liner at the bottom got twice or
When equal to 3 DEG C, i.e., the bottom temp of liner rises comparatively fast, to judge the liner for ferromagnetic ceramic liner at this time；Work as phase
When the temperature gap for the liner at the bottom that neighbour gets twice is less than 3 DEG C, i.e., the bottom temp rising of liner is slower at this time, sentences
The liner that breaks is irony liner.In the present embodiment, when the type for determining the liner is irony liner, according to receiving
Heating function key command, control electric cooker in electromagnetic heating circuit it is right according to preset irony liner computer heating control rule
Food in liner carries out electromagnetic heating；When the type for determining the liner is ferromagnetic ceramic liner, according to receiving
Heating function key command, control electric cooker in electromagnetic heating circuit according to preset ferromagnetic ceramic liner computer heating control
Rule carries out electromagnetic heating to the food in liner.
The electromagnetic heating control method of the present embodiment electric cooker, by continuous within a period of time that electric cooker is begun to warm up
The temperature of liner at the bottom is detected, and judges that the liner in electric cooker is irony liner according to the climbing speed of liner at the bottom temperature
Or then ferromagnetic ceramic liner carries out electromagnetic heating control for different types of liner respectively, to meet user's selection
The demand that different liners are cooked.
Further, referring to Fig. 4, electromagnetic heating control method first embodiment, the second reality based on electric cooker of the present invention
Example or 3rd embodiment are applied, in the electromagnetic heating control method fourth embodiment of electric cooker of the present invention, above-mentioned steps S40 packet
It includes:
S41, when the type of the liner is ferromagnetic ceramic liner, and the heating function key command received is
When cooked instruction, the electromagnetic heating circuit in electric cooker is controlled according to preset first performance number to the ferromagnetic ceramic liner
Interior rice water is heated；
Specifically, in the present embodiment, above-mentioned preset first performance number, which can according to need, to be set, the present embodiment
In, preset first performance number is 1200W.I.e. in the present embodiment, when the liner type be ferromagnetic ceramic liner,
And the heating function key command received be " cooked instruction " when, control electric cooker in electromagnetic heating circuit according to
The power of 1200W heats the rice water in the ferromagnetic ceramic liner.
S42 controls the electromagnetism and adds when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches the first preset temperature
Heater circuit enters intermittent heated condition, make rice coolant-temperature gage in the ferromagnetic ceramic liner stablize the second preset temperature extremely
In the section of first preset temperature；Second preset temperature is less than first preset temperature；
Specifically, above-mentioned first preset temperature and the second preset temperature can according to need and set, the present embodiment
In, first preset temperature is 40 DEG C.I.e. in the present embodiment, when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches 40
DEG C when, control the electromagnetic heating circuit and enter intermittent heated condition, make the rice coolant-temperature gage in the ferromagnetic ceramic liner
Stablize on described 40 DEG C.Specifically, in the present embodiment, when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches 40 DEG C
When, it controls the electromagnetic heating circuit in electric cooker and stops heating, and after the electromagnetic heating circuit stops heating, it is described
Rice coolant-temperature gage in ferromagnetic ceramic liner will reduce, when the rice coolant-temperature gage in the ferromagnetic ceramic liner is reduced to 38 DEG C
When, and control the electromagnetic heating circuit and continue to carry out the rice water in the ferromagnetic ceramic liner according to the power of 1200W
Heating stablizes the rice coolant-temperature gage in the ferromagnetic ceramic liner in 38 DEG C to 40 DEG C sections.In the present embodiment, the step
Also referred to as " water suction stage " makes the rice coolant-temperature gage in the ferromagnetic ceramic liner stablize a timing in 38 DEG C to 40 DEG C sections
Between after so that the grain of rice absorbs moisture as much as possible, after the grain of rice is absorbed into moisture as much as possible, rice just softens and rich
Elasticity, so that rice is nicier, mouthfeel is also more preferable.
S43 controls the electromagnetic heating when the heating duration of the intermittent heated condition reaches the first preset duration
Circuit enters heating with full power state, until the rice coolant-temperature gage in the ferromagnetic ceramic liner is heated to the default temperature of third
Degree；The third preset temperature is greater than first preset temperature；
Specifically, the range of above-mentioned first preset duration, which can according to need, is set, in the present embodiment, described first
The range of preset duration is more than or equal to 14 minutes and to be less than or equal to 16 minutes.Preferably, in the present embodiment, described first
Preset duration is 15 minutes.I.e. in the present embodiment, the absorbent time in above-mentioned " water suction stage " is 15 minutes namely the ferromagnetism
It is 15 minutes that rice coolant-temperature gage in ceramic liner, which stablizes the time in 38 DEG C to 40 DEG C sections, makes the grain of rice in liner as far as possible
Mostly absorb moisture.
In addition, it is necessary to explanation, since the temperature rise of ferromagnetic ceramic liner is slower, accordingly, with respect to irony liner, on
The time for stating " water suction stage " wants longer, above-mentioned " water suction stage " if the liner in electric cooker is irony liner
When it is 10 minutes a length of.
Above-mentioned third preset temperature, which also can according to need, to be set, and in the present embodiment, the third preset temperature is
85℃.I.e. in the present embodiment, when the heating duration of the intermittent heated condition reaches 15 minutes namely above-mentioned " water suction rank
It after section " continues 15 minutes, controls the electromagnetic heating circuit and enters heating with full power state, until will be in the ferromagnetic ceramic
Rice coolant-temperature gage in gallbladder is heated to 85 DEG C.In the present embodiment, the control electromagnetic heating circuit enters heating with full power shape
State refers to that control the electromagnetic heating circuit is heated according to its rated power, in the present embodiment, the electromagnetic heating electricity
The rated power on road is 1250W.In the present embodiment, which is known as " heating period ".In the present embodiment, due to " the heating
Temperature is promoted to the temperature that starch can be converted sufficiently rapidly by stage " needs, it is therefore desirable to be controlled the electromagnetic heating circuit and be pressed
It is heated according to its rated power.
S44 controls the electromagnetism and adds when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches third preset temperature
Heater circuit heats or controls the electromagnetic heating circuit according to preset second performance number into the first Power Regulation heated condition；
Specifically, in the present embodiment, when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches 85 DEG C, described in control
Electromagnetic heating circuit heats or controls the electromagnetic heating circuit according to preset second performance number and heats shape into the first Power Regulation
State.The range of above-mentioned second performance number and the heating intermittent time range of above-mentioned first Power Regulation heated condition can according to need into
Row setting, in the present embodiment, the range of second performance number is more than or equal to 780 and to be less than or equal to 800W, described the
The heating intermittent time range of one Power Regulation heated condition are as follows: every heating 10 to 12 seconds then stops heating 14 to 16 seconds.Preferably,
In the present embodiment, second performance number is 780W, the heating intermittent time of the first Power Regulation heated condition are as follows: every heating 10
Second, then stop heating 16 seconds.In the present embodiment, which is known as " one stage of boiling ".In the present embodiment, " it should boil a stage "
It is to further increase a meter coolant-temperature gage, is the stage of α starch by the β starch transition in the grain of rice.Also, due to the stage, meter Shui Wen
Degree has had reached boiling temperature, and thin rice gruel overflows in order to prevent, and therefore, which does not need to carry out heating with full power, should suitably drop
Low-power heating is heated according to the Power Regulation ratio (i.e. every heating 10 seconds, then stop heating 16 seconds) of above-mentioned " 10/16 ".
S45 controls the electromagnetism and adds when the heating duration of the first Power Regulation heated condition reaches the second preset duration
Heater circuit enters the second Power Regulation heated condition, and the meter Shui in the ferromagnetic ceramic liner is heated to drying up, is made described ferromagnetic
Rice in property ceramic liner becomes rice；
Specifically, in the present embodiment, the heating of the range of above-mentioned second preset duration and above-mentioned second Power Regulation heated condition
Intermittent time range, which can according to need, to be set, and in the present embodiment, the range of second preset duration is to be greater than or wait
In 8 minutes and it is less than or equal to 10 minutes, the heating intermittent time range of the second Power Regulation heated condition are as follows: every heating 6 to 8
Second, then stop heating 14 to 16 seconds.Preferably, in the present embodiment, second preset duration is 10 minutes, second Power Regulation
The heating intermittent time of heated condition are as follows: every heating 8 seconds then stops heating 16 seconds.In the present embodiment, which is known as " boiling
Two-stage ".In the present embodiment, when electric cooker enters " boiling two-stage ", the rice water in liner maintains boiling, extends the grain of rice
The Starch Conversion time, also, the rice coolant-temperature gage in liner has reached balance at this time, and meter Shui gradually dries up, and makes the ferromagnetism
Rice in ceramic liner becomes rice, this stage needs the Power Regulation ratio according to above-mentioned " 8/16 ", and (i.e. every heating 8 seconds, then stop
Heating 16 seconds) it is heated, it allows moisture content to flow back into the rice of liner at the bottom, makes the top of liner, the rice at middle part and lower part
Hardness reach almost the same.
S46 controls the electromagnetism and adds when the rice temperature in the ferromagnetic ceramic liner reaches four preset temperatures
Heater circuit heats or controls the electromagnetic heating circuit according to preset third performance number and enters third Power Regulation heated condition, heating
Shi Changwei third preset duration；4th preset temperature is greater than the third preset temperature.
Specifically, in the present embodiment, above-mentioned 4th preset temperature and third performance number can according to need and set,
Preferably, in the present embodiment, the 4th preset temperature is 120 DEG C, and the third performance number is 300W.Above-mentioned third Power Regulation adds
The heating intermittent time range of Warm status and the range of above-mentioned third preset duration also can according to need and set, this implementation
In example, the heating intermittent time range of the third Power Regulation heated condition are as follows: every heating 4 to 6 seconds then stops heating 14 to 16
Second, the range of the third preset duration is more than or equal to 4 minutes and to be less than or equal to 5 minutes.Preferably, the present embodiment
In, the heating intermittent time of the third Power Regulation heated condition are as follows: every heating 5 seconds then stops heating 16 seconds, and the third is default
Shi Changwei 5 minutes.I.e. in the present embodiment, after the rice water of above-mentioned " boiling two-stage " is dry, the temperature in liner is gradually risen,
When the rice temperature in the ferromagnetic ceramic liner reaches 120 DEG C, the electromagnetic heating circuit is controlled according to the function of 300W
Rate is heated or is controlled the every heating of the electromagnetic heating circuit 5 seconds, then stops heating 16 seconds.In the present embodiment, which claims
For " cooking rice over a slow fire the stage ", should " cooking rice over a slow fire the stage " when it is 5 minutes a length of.
In addition, it is necessary to explanation, since the thermal inertia of ferromagnetic ceramic liner is larger, accordingly, with respect to irony liner,
The time of above-mentioned " cooking rice over a slow fire the stage " wants more shorter, above-mentioned " cooking rice over a slow fire the stage " if the liner in electric cooker is irony liner
Duration then only need to be 7 minutes.
The electromagnetic heating control method of the present embodiment electric cooker, when the type of the liner is ferromagnetic ceramic liner and is connect
When the heating function key command received is cooked instruction, the electromagnetic heating circuit controlled in electric cooker " is inhaled according to above-mentioned
Water stage ", " heating period ", " boiling one stage ", " boiling two-stage " and " cooking rice over a slow fire the stage " are to the ferromagnetic ceramic liner
In rice heated, with meet user select ferromagnetic ceramic liner carry out pot meal when demand for heat.
The present invention also provides a kind of electric cookers, and referring to Fig. 5, in one embodiment, which includes electromagnetic heating control
Device, the electromagnetic heating control device of the electric cooker include liner identification circuit 101, electromagnetic heating circuit 102, master controller
103 and temperature sensing circuit 104.
Wherein, the liner identification circuit 101, for when the master controller 103, which detects, has liner in electric cooker,
Identify the type of the liner.In the present embodiment, the type of the liner includes irony liner and ferromagnetic ceramic liner.
The electromagnetic heating circuit 102, for carrying out electromagnetic heating to the food in liner described in electric cooker；
The master controller 103, for detecting in whether having in electric cooker when receiving heating function key command
Gallbladder；And when the type of the liner is irony liner, according to the heating function key command is received, control the electricity
Magnetic heater circuit carries out electromagnetic heating to the food in liner according to preset irony liner computer heating control rule；When the liner
Type be ferromagnetic ceramic liner when, according to the heating function key command is received, control the electromagnetic heating circuit
Electromagnetic heating is carried out to the food in liner according to preset ferromagnetic ceramic liner computer heating control rule.In the present embodiment, institute
Stating master controller 103 is MCU.
The temperature sensing circuit 104, for detecting the bottom temp of the liner.
In the present embodiment, the signal of the signal output end of the liner identification circuit 101 and the master controller 103 is inputted
End connection, the control output end of the master controller 103 is connect with the control signal of the electromagnetic heating circuit 102, described
The signal output end of temperature sensing circuit 104 is connect with the signal input part of the master controller 103.
Specifically, in the present embodiment, (" cooking " is such as pressed when user presses corresponding heating function key on electric cooker
When key), the master controller 103 can receive corresponding heating function key command, when the master controller 103 receives
Whether when heating function key command, detecting in electric cooker has liner, in the master controller 103 detects in electric cooker and has
When gallbladder, the liner identification circuit 101 identifies the type of the liner.In the present embodiment, what the ferromagnetic ceramic liner referred to
It is the ceramic liner that bottom is coated with ferrimagnet.
In the present embodiment, since ferromagnetic ceramic liner gives off heat merely by the ferrimagnet of its bottom, and
The heat that ferrimagnet issues is the food passed in liner by way of heat transfer, and then is heated to food.
Since the coefficient of heat conduction of ceramic material is less than 2W/m.K, the coefficient of heat conduction of iron material is greater than 10W/m.K, i.e. ferromagnetic ceramic
The coefficient of heat conduction of liner is different with the coefficient of heat conduction of irony liner, therefore, when ferromagnetic ceramic liner heats, eats in liner
The temperature rise of object is slower, also, ferromagnetic ceramic liner, when stopping heating, thermal inertia is larger.
It is different just because of the coefficient of heat conduction of irony liner and the coefficient of heat conduction of ferromagnetic ceramic liner, therefore, this
Embodiment needs the type according to liner and the heating function key command received, and (such as cooked instruction or Baoshang instruct
Deng), control electric cooker carries out different electromagnetic heating work (the mainly control of watt level and the control of heating time), makes
Electric cooker can make more palatable and more nutrition food, to meet the taste demand and nutritional need of user.Specifically,
In the present embodiment, when the type of the liner is irony liner, the master controller 103 is according to receiving the heating function
Key command controls the electromagnetic heating circuit 102 according to preset irony liner computer heating control rule to the food in liner
Carry out electromagnetic heating；When the type of the liner is ferromagnetic ceramic liner, the master controller 103 is according to receiving
Heating function key command controls the electromagnetic heating circuit 102 according to preset ferromagnetic ceramic liner computer heating control rule
Electromagnetic heating is carried out to the food in liner.
Further, in this embodiment when the master controller 103, which detects, has liner in electric cooker, the liner
Identification circuit 101 detects the magnetic field strength of predeterminated position in electric cooker.When the magnetic that the liner identification circuit 101 detects
When field intensity is greater than or equal to preset magnetic field strength threshold value, the first identification signal of output to the master controller 103；When described
When the magnetic field strength that liner identification circuit 101 detects is less than preset magnetic field strength threshold value, the second identification signal is exported
To the master controller 103；The master controller 103 judges the liner for iron when receiving first identification signal
Matter liner, the master controller 103 judge the liner in ferromagnetic ceramic when receiving second identification signal
Gallbladder.
Specifically, in the present embodiment, the range of above-mentioned predeterminated position can be set according to demand, in the present embodiment,
The range of the predeterminated position is lateral wall 1 of the liner at the bottom 10 to 15cm and from the liner apart from electric cooker to 1.2cm
Position.Preferably, in the present embodiment, the predeterminated position be liner at the bottom 10cm apart from electric cooker and from the liner outside
The position of side wall 1cm.
It is understood that the liner identification circuit 101 can pass through digital latch type Hall effect in the present embodiment
Sensor detects the magnetic field strength of the above-mentioned predeterminated position in electric cooker, and digital latch type hall effect sensor passes through wired
Connection type and the master controller 103 connect, and the present embodiment is detected according to the digital latch type hall effect sensor
The magnetic field strength arrived identifies that the liner in electric cooker is irony liner or ferromagnetic ceramic liner.In addition, the present embodiment
In, can the liner described in the face of the digital latch type hall effect sensor end face be arranged a plastic film, to prevent
Only the digital latch type hall effect sensor is damaged because of water inlet.In the present embodiment, the plastic film with a thickness of
2mm。
Fig. 6 is the electrical block diagram of electromagnetic heating control device in one embodiment of electric cooker of the present invention, together reference
Fig. 5 and Fig. 6, the liner identification circuit 101 in the present embodiment include operating voltage input terminal VCC, first resistor R1 and
For detecting the digital latch type hall effect sensor 1011 of the magnetic field strength of above-mentioned predeterminated position in electric cooker.Specifically,
1st pin of the digital latch type hall effect sensor 1011 is grounded, the digital latch type hall effect sensor
1011 the 3rd pin is connect with the operating voltage input terminal VCC, and the of the digital latch type hall effect sensor 1011
2 pins are connect through the first resistor R1 with the operating voltage input terminal VCC, the digital latch type hall effect sensor
1011 the 2nd pin is also the signal output end of the liner identification circuit 101, the digital latch type hall effect sensor
1011 the 2nd pin is also connect with the signal input part of the master controller 103.
In the present embodiment, the digital latch type hall effect sensor 1011 be set to apart from the liner at the bottom 10 to
On the inner sidewall of the electric cooker of 15cm, the end face of liner described in 1011 face of digital latch type hall effect sensor
Lateral wall 1 apart from the liner is to 1.2cm.Preferably, in the present embodiment, the digital latch type hall effect sensor
1011 are set on the inner sidewall of the electric cooker apart from the liner at the bottom 10cm, and the digital latch type Hall effect passes
Lateral wall 1cm of the end face of liner described in 1011 face of sensor apart from the liner.The i.e. described predeterminated position is apart from electric cooker
Liner at the bottom 10cm and position from the liner lateral wall 1cm.
In the present embodiment, when the magnetic field strength that the digital latch type hall effect sensor 1011 detects is greater than or waits
When preset magnetic field strength threshold value, the first identification signal of output to the master controller；When the digital latch type Hall is imitated
When the magnetic field strength that inductive sensing device 1011 detects is less than preset magnetic field strength threshold value, the second identification signal of output to the master
Controller；When the master controller 103 reads first identification signal, judge the liner for irony liner；The master
When controller 103 reads second identification signal, judge the liner for ferromagnetic ceramic liner.
In the present embodiment, above-mentioned preset magnetic field strength threshold value, which can according to need, to be set.Due to being visited according to scientist
It surveys research to learn, the magnetic field strength of the earth of human living is about (0.3-0.6) × 10^ (- 4) tesla, when electric cooker uses
When irony liner is heated, irony liner is magnetized, and becomes magnet carrier, and externally display is magnetic, is less than apart from liner at the bottom
The height and position of 10cm, the magnetic field strength that the digital latch type hall effect sensor 1011 detects will be greater than 10 millis it is special this
It draws.When electric cooker is heated using ferromagnetic ceramic liner, the ferromagnetism of ferromagnetic ceramic liner at the bottom is magnetized, away from
It is substantially at outside magnetic field range from the position at ferromagnetic ceramic liner at the bottom 10cm, therefore, when electric cooker is made pottery using ferromagnetism
When porcelain liner is heated, the magnetic field strength that the digital latch type hall effect sensor 1011 senses is substantially environment magnetic
Field intensity (i.e. less than 10 milli teslas).Therefore, in the present embodiment, the preset magnetic field strength threshold value is 10 milli teslas.
Specifically, in the present embodiment, when the digital latch type hall effect sensor 1011 detects in electric cooker
When the magnetic field strength of above-mentioned predeterminated position is greater than or equal to 10 milli tesla, the digital latch type hall effect sensor 1011
The first identification signal (in the present embodiment, first identification signal is low level) is exported to the master controller 103, when described
Master controller 103 begins to warm up first identification signal read (after heating 2S) after a certain period of time in electric cooker
When, that is, when reading low level, the master controller 103 judges the liner for irony liner.When the type of the liner is
When irony liner, the master controller 103 controls the electromagnetic heating circuit according to the heating function key command received
102 carry out electromagnetic heating to the food in liner according to preset irony liner computer heating control rule；
When the digital latch type hall effect sensor 1011 detects the magnetic field of the above-mentioned predeterminated position in electric cooker
When intensity is less than 10 milli tesla, the digital latch type hall effect sensor 1011 exports the second identification signal (this implementation
In example, second identification signal is high level) to the master controller 103, when the master controller 103 starts in electric cooker
When the second identification signal that heating is read (after heating 2S) after a certain period of time, that is, when reading high level, the master control
Device 103 processed judges the liner for ferromagnetic ceramic liner.When the type of the liner is ferromagnetic ceramic liner, the master
Controller 103 controls the electromagnetic heating circuit 102 according to preset ferromagnetism according to the heating function key command received
Ceramic inner container heating control rule carries out electromagnetic heating to the food in liner.
The present embodiment electric cooker can identify electricity according to the difference of the magnetic field strength of the above-mentioned predeterminated position in electric cooker
The type of the liner of rice cooker, and electromagnetic heating control is carried out respectively for different types of liner, difference is selected to meet user
The demand that liner is cooked.
Further, in since under identical heating power, the heat of irony liner at the bottom can be conducted to soon
Liquid in gallbladder, the bottom temp of liner rise slowly, and ferromagnetic ceramic liner is since the thermal conductivity of ceramic material is poor, because
This, the heat that the ferrimagnet of the bottom of ferromagnetic ceramic liner generates cannot soon be conducted to the food in liner, make
The bottom temp for obtaining ferromagnetic ceramic liner rises comparatively fast.Therefore, can also be begun to warm up in electric cooker one section of the present embodiment
The temperature that liner at the bottom is obtained in time, then judges it is the liner in electric cooker according to the climbing speed of liner at the bottom temperature
It is irony liner or ferromagnetic ceramic liner.Therefore, in the present embodiment, the master controller 103 is also used to: when detecting electricity
When having liner in rice cooker, every preset time period obtains the liner at the bottom detected by the temperature sensing circuit 104
Temperature, it is described when the temperature gap of the adjacent liner at the bottom got twice is greater than or equal to preset temperature difference threshold
Master controller 103 judges the liner for ferromagnetic ceramic liner；When the temperature of the adjacent liner at the bottom got twice
When difference is less than the preset temperature difference threshold, the master controller 103 judges the liner for irony liner.
In the present embodiment, the range of above-mentioned preset time period and above-mentioned temperature difference threshold can according to need and set, this
In embodiment, the range of the preset time period is 1 to 5 second, and the range of the temperature difference threshold is 3 to 5 DEG C.Preferably, this reality
It applies in example, the preset time period is 1 second, and the temperature difference threshold is 3 DEG C.I.e. in the present embodiment, when the master controller 103 is examined
Measure in electric cooker when having liner, begun to warm up after a certain period of time (after heating 2S) in electric cooker, obtained every 1 second described in
The temperature of the liner at the bottom detected by temperature sensing circuit 104, when the adjacent liner at the bottom got twice
When temperature gap is greater than or equal to 3 DEG C (bottom temp of liner rises very fast at this time), the master controller 103 judges described
Liner is ferromagnetic ceramic liner；(i.e. at this time when the temperature gap of the adjacent liner at the bottom got twice is less than 3 DEG C
The bottom temp of liner rises slower), the master controller 103 judges the liner for irony liner.In the present embodiment, work as institute
When the type for stating liner is irony liner, then the master controller 103 is according to the heating function key command received, control electricity
Electromagnetic heating circuit in rice cooker carries out electromagnetic heating to the food in liner according to preset irony liner computer heating control rule；
When the type of the liner is ferromagnetic ceramic liner, the master controller 103 refers to according to the heating function key received
It enables, controls the electromagnetic heating circuit in electric cooker according to preset ferromagnetic ceramic liner computer heating control rule to the food in liner
Object carries out electromagnetic heating.
The present embodiment electric cooker can be by continuously detecting liner at the bottom within a period of time that electric cooker is begun to warm up
Temperature, and judge that the liner in electric cooker is irony liner or ferromagnetic ceramic according to the climbing speed of liner at the bottom temperature
Then liner carries out electromagnetic heating control for different types of liner respectively, select different liners to cook to meet user
The demand prepared food.
Further, in this embodiment the master controller 103 is also used to:
When the liner type be ferromagnetic ceramic liner, and the heating function key command received be cook
When instruction, the electromagnetic heating circuit 102 is controlled according to preset first performance number to the rice in the ferromagnetic ceramic liner
Water is heated.
Specifically, in the present embodiment, above-mentioned preset first performance number, which can according to need, to be set, the present embodiment
In, preset first performance number is 1200W.I.e. in the present embodiment, when the liner type be ferromagnetic ceramic liner,
And when the heating function key command that the master controller 103 receives is " cooked instruction ", the master controller 103
The electromagnetic heating circuit 102 controlled in electric cooker carries out the rice water in the ferromagnetic ceramic liner according to the power of 1200W
Heating.
In the present embodiment, the master controller 103 is also used to: when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches
When the first preset temperature, controls the electromagnetic heating circuit 102 and enter intermittent heated condition, make the ferromagnetic ceramic liner
Interior rice coolant-temperature gage is stablized in the second preset temperature to the section of first preset temperature.
Specifically, above-mentioned first preset temperature and the second preset temperature can according to need and set, the present embodiment
In, first preset temperature is 40 DEG C, and second preset temperature is 38 DEG C.I.e. in the present embodiment, when the ferromagnetism is made pottery
When rice coolant-temperature gage in porcelain liner reaches 40 DEG C, the master controller 103 controls the electromagnetic heating circuit 102 and enters intermittence
Heated condition is stablized the rice coolant-temperature gage in the ferromagnetic ceramic liner and is preset in second preset temperature to described first
In the section of temperature.Specifically, in the present embodiment, when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches 40 DEG C, institute
It states master controller 103 and controls the stopping of electromagnetic heating circuit 102 heating, and when the electromagnetic heating circuit 102 stops heating
Afterwards, the rice coolant-temperature gage in the ferromagnetic ceramic liner will reduce, when the rice coolant-temperature gage in the ferromagnetic ceramic liner reduces
When to 38 DEG C, the master controller 103 controls the electromagnetic heating circuit 102 again to be continued according to the power of 1200W to the iron
Rice water in magnetic ceramics liner is heated, and stablizes the rice coolant-temperature gage in the ferromagnetic ceramic liner at 38 DEG C to 40 DEG C
Section in.In the present embodiment, stablize the rice coolant-temperature gage in the ferromagnetic ceramic liner in 38 DEG C to 40 DEG C sections
Stage is also referred to as " water suction stage ", so that the grain of rice absorbs moisture as much as possible, after the grain of rice is absorbed into moisture as much as possible,
Rice just softens and high resilience, so that rice is nicier, mouthfeel is also more preferable.
In the present embodiment, the master controller 103 is also used to: when the heating duration of the intermittent heated condition reaches the
When one preset duration, controls the electromagnetic heating circuit 102 and enter heating with full power state, until will be in the ferromagnetic ceramic
Rice coolant-temperature gage in gallbladder is heated to third preset temperature；The third preset temperature is greater than first preset temperature；
Specifically, the range of above-mentioned first preset duration, which can according to need, is set, in the present embodiment, described first
The range of preset duration is more than or equal to 14 minutes and to be less than or equal to 16 minutes.Preferably, in the present embodiment, described first
Preset duration is 15 minutes.I.e. in the present embodiment, the absorbent time in above-mentioned " water suction stage " is 15 minutes namely the ferromagnetism
It is 15 minutes that rice coolant-temperature gage in ceramic liner, which stablizes the time in 38 DEG C to 40 DEG C sections, makes the grain of rice in liner as far as possible
Mostly absorb moisture.
In addition, it is necessary to explanation, since the temperature rise of ferromagnetic ceramic liner is slower, accordingly, with respect to irony liner, on
The time for stating " water suction stage " wants longer, above-mentioned " water suction stage " if the liner in electric cooker is irony liner
When it is 10 minutes a length of.
Above-mentioned third preset temperature, which also can according to need, to be set, and in the present embodiment, the third preset temperature is
85℃.I.e. in the present embodiment, when the heating duration of the intermittent heated condition reaches 15 minutes namely above-mentioned " water suction rank
After section " continues 15 minutes, the master controller 103 controls the electromagnetic heating circuit 102 and enters heating with full power state, until
Rice coolant-temperature gage in the ferromagnetic ceramic liner is heated to 85 DEG C.In the present embodiment, the master controller 103 controls described
Electromagnetic heating circuit 102 refers to controlling the electromagnetic heating circuit 102 according to its rated power into heating with full power state
It is heated, in the present embodiment, the rated power of the electromagnetic heating circuit 102 is 1250W.In the present embodiment, the master control
Device 103 processed controls the electromagnetic heating circuit 102 and enters the stage of heating with full power state referred to as " heating period ".The present embodiment
In, temperature is promoted to the temperature that starch can be converted sufficiently rapidly since " heating period " needs, the main control
Device 103 needs to control the electromagnetic heating circuit 102 and is heated according to its rated power.
In the present embodiment, the master controller 103 is also used to: when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches
When third preset temperature, controls the electromagnetic heating circuit 102 and heat or control the electromagnetism according to preset second performance number
Heater circuit enters the first Power Regulation heated condition.
Specifically, in the present embodiment, when the rice coolant-temperature gage in the ferromagnetic ceramic liner reaches 85 DEG C, the master control
Device 103 processed controls the electromagnetic heating circuit 102 and heats or control the electromagnetic heating circuit according to preset second performance number
102 enter the first Power Regulation heated condition.The heating interval of the range of above-mentioned second performance number and above-mentioned first Power Regulation heated condition
Time range, which can according to need, to be set.In the present embodiment, the range of second performance number be more than or equal to 780 and
Less than or equal to 800W, the heating intermittent time range of the first Power Regulation heated condition are as follows: the electromagnetic heating circuit 102 is every
Heating 10 to 12 seconds then stops heating 14 to 16 seconds.Preferably, in the present embodiment, second performance number is 780W, described the
The heating intermittent time of one Power Regulation heated condition are as follows: described the every heating of electromagnetic heating circuit 102 10 seconds, then stop heating 16 seconds.
In the present embodiment, the master controller 103 is controlled described in power heating or control of the electromagnetic heating circuit 102 according to 780W
The stage that electromagnetic heating circuit 102 enters above-mentioned first Power Regulation heated condition (i.e. every heating 10 seconds, then stop heating 16 seconds) claims
For " one stage of boiling ".It should " one stage of boiling " be to further increase a meter coolant-temperature gage, by the β starch in the grain of rice in the present embodiment
It is changed into the stage of α starch.Also, due to the stage, rice coolant-temperature gage has had reached boiling temperature, and thin rice gruel overflows in order to prevent,
Therefore, which does not need to carry out heating with full power, should suitably reduce power heating or the Power Regulation ratio according to above-mentioned " 10/16 "
(i.e. every heating 10 seconds, then stop heating 16 seconds) is heated.
In the present embodiment, the master controller 103 is also used to: when the heating duration of the first Power Regulation heated condition reaches
When the second preset duration, controls the electromagnetic heating circuit 102 and enter the second Power Regulation heated condition, it will be in the ferromagnetic ceramic
Meter Shui in gallbladder is heated to drying up, and the rice in the ferromagnetic ceramic liner becomes rice；
Specifically, in the present embodiment, the heating of the range of above-mentioned second preset duration and above-mentioned second Power Regulation heated condition
Intermittent time range, which can according to need, to be set, and in the present embodiment, the range of second preset duration is to be greater than or wait
In 8 minutes and it is less than or equal to 10 minutes, the heating intermittent time range of the second Power Regulation heated condition are as follows: the electromagnetism adds
The every heating of heater circuit 102 6 to 8 seconds, then stop heating 14 to 16 seconds.Preferably, in the present embodiment, second preset duration is
10 minutes, the heating intermittent time of the second Power Regulation heated condition are as follows: described the every heating of electromagnetic heating circuit 102 8 seconds, then stop
Only heat 16 seconds.In the present embodiment, the master controller 103 controls the electromagnetic heating circuit 102 and enters second Power Regulation
The stage of heated condition is known as " boiling two-stage ".In the present embodiment, when electric cooker enters " boiling two-stage ", in liner
Rice water maintains boiling, extends the Starch Conversion time of the grain of rice, also, the rice coolant-temperature gage in liner has reached balance, rice at this time
Water gradually dries up, and the rice in the ferromagnetic ceramic liner is made to become rice, this stage needs the tune according to above-mentioned " 8/16 "
Function ratio (i.e. every heating 8 seconds, then stop heating 16 seconds) is heated, and is allowed moisture content to flow back into the rice of liner at the bottom, is made liner
Top, middle part and lower part the hardness of rice reach almost the same.
In the present embodiment, the master controller 103 is also used to: when the rice temperature in the ferromagnetic ceramic liner reaches
When four preset temperatures, controls the electromagnetic heating circuit 102 and heat or control the electromagnetism according to preset third performance number
Heater circuit 102 enters third Power Regulation heated condition, when heating a length of third preset duration；4th preset temperature is greater than institute
State third preset temperature.
Specifically, in the present embodiment, above-mentioned 4th preset temperature and third performance number can according to need and set,
Preferably, in the present embodiment, the 4th preset temperature is 120 DEG C, and the third performance number is 300W.Above-mentioned third Power Regulation adds
The heating intermittent time range of Warm status and the range of above-mentioned third preset duration also can according to need and set, this implementation
In example, the heating intermittent time range of the third Power Regulation heated condition are as follows: the every heating 4 to 6 of electromagnetic heating circuit 102
Second, then stop heating 14 to 16 seconds, the range of the third preset duration is more than or equal to 4 minutes and to be less than or equal to 5 points
Clock.Preferably, in the present embodiment, the heating intermittent time of the third Power Regulation heated condition are as follows: the electromagnetic heating circuit 102
Every heating 5 seconds, then stop heating 16 seconds, and the third preset duration is 5 minutes.I.e. in the present embodiment, when above-mentioned " boiling second order
After the rice water of section " is dry, the temperature in liner is gradually risen, when the rice temperature in the ferromagnetic ceramic liner reaches 120
DEG C when, the master controller 103 controls the electromagnetic heating circuit 102 and is heated or controlled the electricity according to the power of 300W
The every heating of magnetic heater circuit 102 5 seconds, then stop heating 16 seconds.In the present embodiment, the master controller 103 controls the electromagnetism
It is above-mentioned that heater circuit 102 heats or control the entrance of electromagnetic heating circuit 102 according to preset third performance number (i.e. 300W)
The stage of third Power Regulation heated condition be known as " cooking rice over a slow fire the stage ", should " cooking rice over a slow fire the stage " when it is 5 minutes a length of.
In addition, it is necessary to explanation, since the thermal inertia of ferromagnetic ceramic liner is larger, accordingly, with respect to irony liner,
The time of above-mentioned " cooking rice over a slow fire the stage " wants more shorter, above-mentioned " cooking rice over a slow fire the stage " if the liner in electric cooker is irony liner
Duration then only need to be 7 minutes.
The present embodiment electric cooker, when the type of the liner is ferromagnetic ceramic liner and the heating function that receives
When key command is cooked instruction, the master controller 103 controls the electromagnetic heating circuit 102 according to above-mentioned " water suction rank
Section ", " heating period ", " boiling one stage ", " boiling two-stage " and " cooking rice over a slow fire the stage " are in the ferromagnetic ceramic liner
Rice is heated, to meet demand for heat when user selects ferromagnetic ceramic liner to carry out pot meal.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of electromagnetic heating control method of electric cooker, which is characterized in that the method for heating and controlling of the electric cooker include with
Lower step:
S10, whether when receiving heating function key command, detecting in electric cooker has liner；
S20 identifies the type of the liner when having liner in electric cooker；The type of the liner includes irony liner and ferromagnetic
Property ceramic liner；
S30, according to the heating function key command is received, controls electric meal when the type of the liner is irony liner
Electromagnetic heating circuit in pot carries out electromagnetic heating to the food in liner according to preset irony liner computer heating control rule；
S40, according to the heating function key command is received, is controlled when the type of the liner is ferromagnetic ceramic liner
Electromagnetic heating circuit in electric cooker processed according to preset ferromagnetic ceramic liner computer heating control rule to the food in liner into
Row electromagnetic heating.
2. the electromagnetic heating control method of electric cooker as described in claim 1, which is characterized in that the step S20 includes:
S21 has liner in electric cooker, detects the magnetic field strength of predeterminated position in electric cooker；
S22 judges the liner for iron when the magnetic field strength detected is greater than or equal to preset magnetic field strength threshold value
Matter liner；
S23 judges the liner for ferromagnetism pottery when the magnetic field strength detected is less than preset magnetic field strength threshold value
Porcelain liner.
3. the electromagnetic heating control method of electric cooker as described in claim 1, which is characterized in that the step S20 includes:
S21, when having liner in electric cooker, every preset time period obtains described detected by temperature sensing circuit in electric cooker
The temperature of liner at the bottom；
S22 sentences when the temperature gap of the adjacent liner at the bottom got twice is greater than or equal to preset temperature difference threshold
The liner that breaks is ferromagnetic ceramic liner；
S23, when the temperature gap of the adjacent liner at the bottom got twice is less than the preset temperature difference threshold, judgement
The liner is irony liner.
4. the electromagnetic heating control method of electric cooker as claimed any one in claims 1 to 3, which is characterized in that the step
Suddenly S40 includes:
S41, when the liner type be ferromagnetic ceramic liner, and the heating function key command received be cook
When instruction, the electromagnetic heating circuit in electric cooker is controlled according to preset first performance number in the ferromagnetic ceramic liner
Rice water is heated；
S42 controls the electromagnetic heating circuit when rice coolant-temperature gage in the ferromagnetic ceramic liner reaches the first preset temperature
Into intermittent heated condition, stablize rice coolant-temperature gage in the ferromagnetic ceramic liner in the second preset temperature to described the
In the section of one preset temperature；Second preset temperature is less than first preset temperature；
S43 controls the electromagnetic heating circuit when the heating duration of the intermittent heated condition reaches the first preset duration
Into heating with full power state, until the rice coolant-temperature gage in the ferromagnetic ceramic liner is heated to third preset temperature；Institute
Third preset temperature is stated greater than first preset temperature；
S44 controls the electromagnetic heating circuit when rice coolant-temperature gage in the ferromagnetic ceramic liner reaches third preset temperature
The electromagnetic heating circuit is heated or controlled according to preset second performance number into the first Power Regulation heated condition；
S45 controls the electromagnetic heating electricity when the heating duration of the first Power Regulation heated condition reaches the second preset duration
Road enters the second Power Regulation heated condition, and the meter Shui in the ferromagnetic ceramic liner is heated to drying up, the ferromagnetic ceramic
Rice in liner becomes rice；
S46 controls the electromagnetic heating circuit when rice temperature in the ferromagnetic ceramic liner reaches four preset temperatures
The electromagnetic heating circuit is heated or controlled according to preset third performance number and enters third Power Regulation heated condition, and when heating is a length of
Third preset duration；4th preset temperature is greater than the third preset temperature.
5. the electromagnetic heating control method of electric cooker as claimed in claim 4, which is characterized in that shape is heated in first Power Regulation
State are as follows: the every heating of electromagnetic heating circuit then stops heating 14 to 16 seconds for 10 to 12 seconds；The second Power Regulation heated condition are as follows:
The every heating of electromagnetic heating circuit then stops heating 14 to 16 seconds for 6 to 8 seconds；The third Power Regulation heated condition are as follows: the electricity
The every heating of magnetic heater circuit then stops heating 14 to 16 seconds for 4 to 6 seconds；The time range of first preset duration is to be greater than or wait
In 14 minutes and it is less than or equal to 16 minutes, the time range of second preset duration is more than or equal to 8 minutes and to be less than
Or be equal to 10 minutes, the time range of the third preset duration is more than or equal to 4 minutes and to be less than or equal to 5 minutes.
6. a kind of electric cooker, which is characterized in that the electric cooker includes electromagnetic heating control device, the electromagnetic heating control dress
It sets including master controller, liner identification circuit and electromagnetic heating circuit；Wherein:
The liner identification circuit, for identifying the liner when the master controller, which detects, has liner in electric cooker
Type；The type of the liner includes irony liner and ferromagnetic ceramic liner；
The electromagnetic heating circuit, for carrying out electromagnetic heating to the food in liner described in electric cooker；
The master controller, for whether when receiving heating function key command, detecting in electric cooker to have liner；And work as
When the type of the liner is irony liner, according to the heating function key command is received, the electromagnetic heating electricity is controlled
Road carries out electromagnetic heating to the food in liner according to preset irony liner computer heating control rule；When the type of the liner is
When ferromagnetic ceramic liner, according to the heating function key command is received, the electromagnetic heating circuit is controlled according to default
Ferromagnetic ceramic liner computer heating control rule in liner food carry out electromagnetic heating.
7. electric cooker as claimed in claim 6, which is characterized in that the liner identification circuit is specifically used for: when detecting electricity
When having liner in rice cooker, the magnetic field strength of predeterminated position in electric cooker is detected, and when the magnetic field strength detected is greater than
Or when being equal to preset magnetic field strength threshold value, the first identification signal of output to the master controller；When the magnetic field detected
When intensity is less than preset magnetic field strength threshold value, the second identification signal of output to the master controller；
The master controller is also used to: when receiving first identification signal of the liner identification circuit output, judgement
The liner is irony liner, when receiving second identification signal of the liner identification circuit output, described in judgement
Liner is ferromagnetic ceramic liner.
8. electric cooker as claimed in claim 6, which is characterized in that the electromagnetic heating control device further includes temperature detection electricity
Road, the temperature sensing circuit are used to detect the bottom temp of the liner；
The master controller is specifically used for: when detecting has liner in electric cooker, every preset time period obtains the temperature
The temperature of the liner at the bottom detected by detection circuit；And the temperature when the adjacent liner at the bottom got twice
When difference is greater than or equal to preset temperature difference threshold, judge the liner for ferromagnetic ceramic liner；It is got twice when adjacent
The liner at the bottom temperature gap be less than the preset temperature difference threshold when, judge the liner for irony liner.
9. the electric cooker as described in any one of claim 6 to 8, which is characterized in that the master controller is also used to:
When the liner type be ferromagnetic ceramic liner, and the heating function key command received be cooked instruction
When, the electromagnetic heating circuit in electric cooker is controlled according to preset first performance number to the meter Shui in the ferromagnetic ceramic liner
It is heated；
When rice coolant-temperature gage in the ferromagnetic ceramic liner reaches the first preset temperature, controls the electromagnetic heating circuit and enter
Intermittent heated condition stablizes rice coolant-temperature gage in the ferromagnetic ceramic liner in the second preset temperature to described first pre-
If in the section of temperature；
When the heating duration of the intermittent heated condition reaches the first preset duration, controls the electromagnetic heating circuit and enter
Heating with full power state, until the rice coolant-temperature gage in the ferromagnetic ceramic liner is heated to third preset temperature；Described
Three preset temperatures are greater than first preset temperature；
When rice coolant-temperature gage in the ferromagnetic ceramic liner reaches third preset temperature, control the electromagnetic heating circuit according to
Preset second performance number heating controls the electromagnetic heating circuit into the first Power Regulation heated condition；
When the heating duration of the first Power Regulation heated condition reaches the second preset duration, control the electromagnetic heating circuit into
Enter the second Power Regulation heated condition, the meter Shui in the ferromagnetic ceramic liner is heated to drying up, the ferromagnetic ceramic liner
Interior rice becomes rice；
When rice temperature in the ferromagnetic ceramic liner reaches four preset temperatures, control the electromagnetic heating circuit according to
The heating of preset third performance number controls the electromagnetic heating circuit and enters third Power Regulation heated condition, when heating a length of third
Preset duration；4th preset temperature is greater than the third preset temperature.
10. electric cooker as claimed in claim 9, which is characterized in that the first Power Regulation heated condition are as follows: the electromagnetic heating
The every heating of circuit then stops heating 14 to 16 seconds for 10 to 12 seconds；The second Power Regulation heated condition are as follows: the electromagnetic heating circuit
Every heating then stops heating 14 to 16 seconds for 6 to 8 seconds；The third Power Regulation heated condition are as follows: the every heating 4 of electromagnetic heating circuit
Then stopped heating 14 to 16 seconds to 6 seconds；The time range of first preset duration be more than or equal to 14 minutes and be less than or
Equal to 16 minutes, the time range of second preset duration was more than or equal to 8 minutes and to be less than or equal to 10 minutes, described
The time range of third preset duration is more than or equal to 4 minutes and to be less than or equal to 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710446768.5A CN109077622B (en) | 2017-06-13 | 2017-06-13 | Electromagnetic heating control method of electric cooker and electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710446768.5A CN109077622B (en) | 2017-06-13 | 2017-06-13 | Electromagnetic heating control method of electric cooker and electric cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109077622A true CN109077622A (en) | 2018-12-25 |
| CN109077622B CN109077622B (en) | 2024-02-20 |
Family
ID=64839285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710446768.5A Active CN109077622B (en) | 2017-06-13 | 2017-06-13 | Electromagnetic heating control method of electric cooker and electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109077622B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359302A (en) * | 2021-06-29 | 2021-09-07 | 歌尔科技有限公司 | Control method and device of intelligent glasses legs and computer readable storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0795921A (en) * | 1993-09-30 | 1995-04-11 | Tiger Vacuum Bottle Co Ltd | Electromagnetic rice cooker |
| CN102525284A (en) * | 2012-02-24 | 2012-07-04 | 刘可清 | Control method of rice cooking by adopting electric rice cooker with stainless-steel inner container |
| CN103607798A (en) * | 2013-11-15 | 2014-02-26 | 美的集团股份有限公司 | A detection method for types of cookers and an electromagnetic heating apparatus |
| CN104456654A (en) * | 2013-09-13 | 2015-03-25 | 美的集团股份有限公司 | Induction cooker and control method thereof |
| CN105125052A (en) * | 2015-07-28 | 2015-12-09 | 小米科技有限责任公司 | Power adjustment method and power adjustment device |
| CN105167628A (en) * | 2015-08-31 | 2015-12-23 | 小米科技有限责任公司 | Liner heating method and device for electromagnetic cooking device, and electronic device |
| CN105747835A (en) * | 2016-04-18 | 2016-07-13 | 杭州九阳欧南多小家电有限公司 | Cooking control method of electric cooker |
| CN205726493U (en) * | 2016-05-04 | 2016-11-23 | 九阳股份有限公司 | A kind of electromagnetic heating control system adapting to the heating of unlike material pan |
| CN205994249U (en) * | 2016-06-24 | 2017-03-08 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and electric cooker or electric pressure cooking saucepan or the electromagnetic oven with it |
| CN207477390U (en) * | 2017-06-13 | 2018-06-12 | 佛山市顺德区美的电热电器制造有限公司 | The electromagnetic heating control device and electric cooker of electric cooker |
-
2017
- 2017-06-13 CN CN201710446768.5A patent/CN109077622B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0795921A (en) * | 1993-09-30 | 1995-04-11 | Tiger Vacuum Bottle Co Ltd | Electromagnetic rice cooker |
| CN102525284A (en) * | 2012-02-24 | 2012-07-04 | 刘可清 | Control method of rice cooking by adopting electric rice cooker with stainless-steel inner container |
| CN104456654A (en) * | 2013-09-13 | 2015-03-25 | 美的集团股份有限公司 | Induction cooker and control method thereof |
| CN103607798A (en) * | 2013-11-15 | 2014-02-26 | 美的集团股份有限公司 | A detection method for types of cookers and an electromagnetic heating apparatus |
| CN105125052A (en) * | 2015-07-28 | 2015-12-09 | 小米科技有限责任公司 | Power adjustment method and power adjustment device |
| CN105167628A (en) * | 2015-08-31 | 2015-12-23 | 小米科技有限责任公司 | Liner heating method and device for electromagnetic cooking device, and electronic device |
| CN105747835A (en) * | 2016-04-18 | 2016-07-13 | 杭州九阳欧南多小家电有限公司 | Cooking control method of electric cooker |
| CN205726493U (en) * | 2016-05-04 | 2016-11-23 | 九阳股份有限公司 | A kind of electromagnetic heating control system adapting to the heating of unlike material pan |
| CN205994249U (en) * | 2016-06-24 | 2017-03-08 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and electric cooker or electric pressure cooking saucepan or the electromagnetic oven with it |
| CN207477390U (en) * | 2017-06-13 | 2018-06-12 | 佛山市顺德区美的电热电器制造有限公司 | The electromagnetic heating control device and electric cooker of electric cooker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359302A (en) * | 2021-06-29 | 2021-09-07 | 歌尔科技有限公司 | Control method and device of intelligent glasses legs and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109077622B (en) | 2024-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105395040B (en) | The control method of electric cooking pot, device, electric cooking pot and system | |
| CN105204451B (en) | Automatic cooking system and its control method | |
| CN105708303A (en) | Electric cooking apparatus, cooking method of electric cooking apparatus and method for detecting rice and water amounts in electric cooking apparatus | |
| CN102687985A (en) | Electric cooker and heat preservation method thereof | |
| CN105659697B (en) | Induction heating cooking instrument | |
| CN207477390U (en) | The electromagnetic heating control device and electric cooker of electric cooker | |
| CN102440679A (en) | Cooking method of electric rice cooker with user-defined heating modes and electric rice cooker | |
| CN107436198B (en) | Pot temperature detection system and method and induction cooker | |
| JP4915271B2 (en) | Cooker | |
| CN105432140B (en) | Induction heating apparatus | |
| CN108158383A (en) | The control method of cooking apparatus | |
| CN108535430A (en) | A kind of curing detection module | |
| CN108244984A (en) | Realize method, cooking apparatus and the computer storage media of frying function | |
| CN208425984U (en) | Baking machine | |
| CN110200472A (en) | Cooking control method and cooking apparatus for cooking apparatus | |
| CN109077622A (en) | The electromagnetic heating control method and electric cooker of electric cooker | |
| CN104414438B (en) | Electric pressure cooker and control device and method thereof | |
| CN109124291A (en) | Electric cooker, thermal-insulation control method, temperature preservation control device and readable storage medium storing program for executing | |
| CN204377176U (en) | Induction heating cooking instrument | |
| JP2011071004A (en) | Induction heating cooker | |
| CN204462711U (en) | Energy-saving electric pressure cooker intelligent control circuit | |
| CN204373001U (en) | Micro-wave oven | |
| CN111385925B (en) | Electromagnetic cooking appliance and control method thereof | |
| CN208784498U (en) | A kind of novel ceramic olla | |
| JPH0716145A (en) | Rice cooker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |