CN107509264A - The Electromagnetic Heating combustion chamber and Electromagnetic Heating electricity that a kind of electricity stews stew - Google Patents
The Electromagnetic Heating combustion chamber and Electromagnetic Heating electricity that a kind of electricity stews stew Download PDFInfo
- Publication number
- CN107509264A CN107509264A CN201710884686.9A CN201710884686A CN107509264A CN 107509264 A CN107509264 A CN 107509264A CN 201710884686 A CN201710884686 A CN 201710884686A CN 107509264 A CN107509264 A CN 107509264A
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- China
- Prior art keywords
- combustion chamber
- electromagnetic heating
- coil
- pot
- shell body
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
- H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/02—Induction heating
- H05B2206/022—Special supports for the induction coils
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention discloses the Electromagnetic Heating combustion chamber that a kind of electricity stews, the electricity, which stews, includes pot, and one end that the side wall of the pot is connected with the bottom wall of the pot is provided with arc transition portion；The Electromagnetic Heating combustion chamber includes combustion chamber shell body, coil installed part and electromagnetic heating coil；The combustion chamber shell body is provided with the first accommodating chamber for being used for placing the pot；One end of the combustion chamber shell body forms the first opening connected with first accommodating chamber；The coil installed part is in the side wall of the combustion chamber shell body；The electromagnetic heating coil forms electromagnetic coil portion around on the coil installed part；The electromagnetic coil portion corresponds to the arc transition portion of the pot.The Electromagnetic Heating combustion chamber stewed using a kind of electricity provided in an embodiment of the present invention, the uniform heating to the water in pot and food materials can be realized on the premise of ensureing heating effect and keeping high thermal efficiency.
Description
Technical field
The present invention relates to household electrical appliance technical field, more particularly to the Electromagnetic Heating combustion chamber and Electromagnetic Heating electricity that a kind of electricity stews
Stew.
Background technology
At present, the cooking apparatus of in the market is gradually from conventional heating to Electromagnetic Heating transition, such as electromagnetic heating electric rice cooker, electricity
Magnetic heating pressure cooker, electromagnetic oven etc., these belong to the category of electromagnetic induction heating type cooking apparatus；Electromagnetic Heating has cleaning
Health, the characteristics of firepower is big, energy consumption is low, efficiency high, these features cause electromagnetic heating technique to be obtained in kitchen cooking equipment
It is further to use.
The electricity such as existing electric cooker using electromagnetic induction heating, electric pressure pot are stewed, and electromagnetic wire coil is provided with its internal body,
Electromagnetic wire coil generally includes wire coil bracket, coil and magnetic conductor；Electromagnetic heater at work, place by cooking container (pot)
Above electromagnetic wire coil, electromagnetic eddy is produced using coil and magnetic conductor, pot is generated heat in the process of circulation of magnetic field, so as to realize
To the heating cooking of food materials in pot；Inventor is in implementing the present invention, it may, have found adding for existing Electromagnetic Heating electricity pot
Heat coil is typically to be concentrated mainly on the bottom of pot, and the line in the bottom of pot, the region of pot generation heat around the home
For circle often in radiation annular distribution, magnetic field intensity is uneven, causes to heat food materials with existing Electromagnetic Heating electricity pot
Culinary art, such as during Baoshang, heating surface (area) (HS is smaller relatively to be concentrated, and pot uneven heating is even, so that can not be to the water and food materials in pot
Uniformly heated.
The content of the invention
The purpose of the embodiment of the present invention is to provide the Electromagnetic Heating combustion chamber and Electromagnetic Heating electricity pot that a kind of electricity stews, and can protect
On the premise of demonstrate,proving heating effect and keeping high thermal efficiency, the uniform heating to the water in pot and food materials is realized.
To achieve the above object, the embodiments of the invention provide the Electromagnetic Heating combustion chamber that a kind of electricity stews, the electricity, which stews, to be included
Pot, one end that the side wall of the pot is connected with the bottom wall of the pot are provided with arc transition portion；The Electromagnetic Heating combustion chamber
Including combustion chamber shell body, coil installed part and electromagnetic heating coil；The combustion chamber shell body, which is provided with, to be used to place the pot
First accommodating chamber；One end of the combustion chamber shell body forms the first opening connected with first accommodating chamber；The coil peace
Piece installing is in the side wall of the combustion chamber shell body；The electromagnetic heating coil forms electromagnetism around on the coil installed part
Coil portion；The electromagnetic coil portion corresponds to the arc transition portion of the pot.
Compared with prior art, the Electromagnetic Heating combustion chamber that a kind of electricity disclosed by the invention stews, the coil installed part is set
In on the combustion chamber shell body, the electromagnetic heating coil is around on the coil installed part, and the electromagnetic heating coil
Position correspondence around the home is in the first arc transition portion of the combustion chamber shell body；The pot that the electricity stews is placed on the stove again
In first accommodating chamber of core housing body, the first arc transition portion is corresponding with the arc transition portion position of the pot, makes
Obtain the electromagnetic heating coil pair around the first arc transition portion for corresponding to the combustion chamber shell body on the coil installed part
The arc transition portion of pot described in Ying Yu；By inputting high frequency electric in the electromagnetic heating coil so that surrounding produces friendship
Varying magnetic field, above-mentioned alternating magnetic field can make pot produce vortex in itself, and the magnetic line of force penetrates pot and pot is generated heat, so as to described
The arc transition portion of pot forms a circle Electromagnetic Heating region, and the arc transition portion of the pot is carried out surrounding heating, so as to
The uniform heating to the water in the pot and food materials is realized, while ensures heating effect and keeps high thermal efficiency.
Further, the coil installed part includes some coil braces；It is additionally provided with the side wall of the combustion chamber shell body
With the pick-and-place components of the coil brace Corresponding matching, the coil brace is evenly distributed on institute by the cooperation with the pick-and-place components
In the side wall for stating combustion chamber shell body；One end that the side wall of the combustion chamber shell body is connected with the bottom wall of the combustion chamber shell body is provided with
First arc transition portion；The bending angle of the coil brace and the radian Corresponding matching in the first arc transition portion；It is described
Electromagnetic coil portion corresponds to the first arc transition portion；The coil brace is provided with some boss, the adjacent boss it
Between form winding slot, the electromagnetic heating coil by it is spacing in the winding slot around on the coil installed part.
As the improvement project of foregoing invention embodiment, a kind of Electromagnetic Heating combustion chamber of electricity pot that the present embodiment provides, institute
State coil installed part and use bulk-breaking coil fixing structure, bulk-breaking into some coil braces, and by with the combustion chamber shell body
The coil brace is arranged on the combustion chamber shell body by the cooperation of the pick-and-place components set in side wall so that the coil brace
It is surrounded on the wall outer surface of the combustion chamber shell body；The boss set on the coil brace forms winding slot, the electromagnetism
Side wall of the heating coil along the combustion chamber shell body, install around and spacing in the winding slot, the final Electromagnetic Heating line
Corresponding the first arc transition portion for being surrounded on the combustion chamber shell body of circle；Said structure is relative to prior art integrally formed
The indent winding slot or coiling boss of ring-type are set on the outer surface of the combustion chamber shell body or inner surface, reduce the combustion chamber
The die sinking of shell body, production and processing difficulty, and the coil brace install convenient and swift, and that individually processes manufactures skill
Art requires relatively low.
Further, the pick-and-place components are column structure；One end connection first opening of the pick-and-place components, it is described to insert
The other end of piece installing is provided with inserting groove；One end of the coil brace is provided with the cartridge part with the inserting groove Corresponding matching, and
The other end for the mating connection pick-and-place components that one end of the coil brace passes through the cartridge part and the inserting groove, it is described
The other end of coil brace connects the bottom wall of the combustion chamber shell body by connector.
As the improvement project of foregoing invention embodiment, a kind of Electromagnetic Heating combustion chamber of electricity pot that the present embodiment provides, institute
State the column structure for the first half that pick-and-place components are the side wall for being uniformly distributed in the combustion chamber shell body, and one end connection described first
Opening, the other end in the cartridge part inserting of the coil brace to the inserting groove by will connect the coil brace
One end, the other end of the coil brace connect the bottom wall of the combustion chamber shell body by the connector；On the one hand, the line
Coil support is arranged in the side wall of the combustion chamber shell body by the pick-and-place components and the connector, and quick and easy for installation,
On the other hand, the pick-and-place components of connection and the coil brace together form the side for being uniformly distributed in the combustion chamber shell body
Reinforcement structure on wall, the intensity and rigidity of the combustion chamber shell body are added, prevent the combustion chamber shell body from deforming.
Further, the Electromagnetic Heating combustion chamber also includes iron oxygen magnetic conductor；Some cards are additionally provided with the coil brace
Fastener, the iron oxygen magnetic conductor are connected on the coil brace by the cooperation with the fastener, and the iron oxygen magnetic conduction
Body covers the electromagnetic heating coil spacing in the winding slot；The iron oxygen magnetic conductor is vertical bar shaped or L-shaped.
As the improvement project of foregoing invention embodiment, a kind of Electromagnetic Heating combustion chamber of electricity pot that the present embodiment provides, institute
The magnetic field of the electromagnetic heating coil at work can be strengthened by stating iron oxygen magnetic conductor so that the magnetic line of force is assembled, so as to improve
State the magnetic field intensity of the arc transition portion position of pot；And the iron oxygen magnetic conductor is by the way of embedded, by described
Fastener is directly fixed on the coil brace, simple in construction, and magnetic conductor installs convenient and swift, while does not hamper
Hinder the winding structure of the electromagnetic heating coil；Relative to prior art, efficiency of assembling and assembly precision are improved, is also no longer needed
Extra magnetic conductor installed part is wanted, after Material Cost reduces, while the iron oxygen magnetic conductor is caught in the coil brace, the iron
The one side of oxygen magnetic conductor is overlayed on the boss so that the iron oxygen magnetic conductor can more be pressed close to spacing in the winding slot
The electromagnetic heating coil and covered, so as to preferably play the magnetic collecting effect of the iron oxygen magnetic conductor, carry
Rise Electromagnetic Heating efficiency.
Further, the Electromagnetic Heating combustion chamber also includes combustion chamber inner housing；The combustion chamber inner housing passes through described first
Opening is in first accommodating chamber；The combustion chamber inner housing, which is provided with, to be used to place the pot and corresponding with the pot
The second accommodating chamber matched somebody with somebody, one end of the combustion chamber inner housing form the second opening connected with second accommodating chamber；The stove
Heat-insulation chamber is formed between in-core housing and the combustion chamber shell body；Heat-barrier material, the heat-insulated material are filled with the heat-insulation chamber
Material includes the heat-insulated foaming body of macromolecule.
As the improvement project of foregoing invention embodiment, a kind of Electromagnetic Heating combustion chamber of electricity pot that the present embodiment provides, adopt
With two-layer equation heat-insulation and heat-preservation combustion chamber, the combustion chamber inner housing is located in the first accommodating chamber of the combustion chamber shell body, then by described in
Pot is positioned in the second accommodating chamber of the combustion chamber inner housing, and the outer surface of the side wall of the pot and bottom wall and the stove
The inner surface of in-core housing is brought into close contact, and heat-barrier material is filled between the combustion chamber inner housing and the combustion chamber shell body, can
So that the pot is carried out into temperature conduction barrier with outside, good heat insulation effect is realized, so as to improve the Electromagnetic Heating
The efficiency of heating surface of combustion chamber.
Further, one end that the side wall of the combustion chamber shell body is connected with the bottom wall of the combustion chamber shell body is provided with first
Arc transition portion；One end that the side wall of the combustion chamber inner housing is connected with the bottom wall of the combustion chamber inner housing is provided with the second circular arc mistake
Cross portion；The electromagnetic coil portion corresponds to the first arc transition portion and the second arc transition portion；The combustion chamber shell
Vertical range between first arc transition portion of body and the second arc transition portion of the combustion chamber inner housing is less than 20 millimeters.
As the improvement project of foregoing invention embodiment, a kind of Electromagnetic Heating combustion chamber of electricity pot that the present embodiment provides, institute
State combustion chamber inner housing and be less than 20 millimeters with vertical range of the combustion chamber shell body in Electromagnetic Heating region, and as much as possible
It is small, to reach the high-frequency of Electromagnetic Heating conversion.
Further, the combustion chamber inner housing is provided with equally distributed close to the outer surface of the side wall of the described second opening
Some shackle members, the combustion chamber shell body are provided with corresponding with the shackle member close to the inner surface of the side wall of the described first opening
The buckling groove of matching；The outer surface of the bottom wall of the combustion chamber inner housing is provided with equally distributed some plug connectors, the combustion chamber
The inner surface of the bottom wall of shell body is provided with the inserting groove with the plug connector Corresponding matching.
As the improvement project of foregoing invention embodiment, a kind of Electromagnetic Heating combustion chamber of electricity pot that the present embodiment provides, institute
State the card that the shackle member near the open top of combustion chamber inner housing is fixed near the open top of the combustion chamber shell body
In access slot, the plug connector plugged and fixed of the bottom wall of the combustion chamber inner housing in the inserting groove of the bottom wall of the combustion chamber shell body,
So as to be mounted and fixed on the combustion chamber inner housing in the first accommodating chamber of the combustion chamber shell body, assemble up convenient fast
It is prompt.
Further, the combustion chamber shell body and the combustion chamber inner housing add glass fibre material system using PPS plastics
Into.
As the improvement project of foregoing invention embodiment, a kind of Electromagnetic Heating combustion chamber of electricity pot that the present embodiment provides, institute
State combustion chamber shell body and the combustion chamber inner housing is made using PPS plastics plus glass fibre material, high temperature resistant, acid and alkali-resistance, together
Shi Buhui is to magnetic fields caused by electromagnetic heating coil work；Therefore the combustion chamber shell body and the combustion chamber
Inner housing can obstruct temperature conduction, and the pot is incubated, while not interfere with again around the home in the combustion chamber shell body
Outside electromagnetic heating coil can effectively improve the Electromagnetic Heating combustion chamber to the electromagnetic induction heating of the pot
The efficiency of heating surface.
Further, the Electromagnetic Heating combustion chamber also includes electromagnetic heating power plate；The electromagnetic heating coil with it is described
Electromagnetic heating power plate is electrically connected with.
As the improvement project of foregoing invention embodiment, a kind of Electromagnetic Heating combustion chamber of electricity pot that the present embodiment provides, by
The different mode of operations or heating gear control that the man-machine interactive system that the control system that electricity stews is stewed according to user by electricity selects
The watt level of the electromagnetic heating power plate is made, the size for changing electromagnetic power amplifier board output current changes the Electromagnetic Heating
The size of coil electricity electric current, so as to control the Electromagnetic Heating combustion chamber to work with realizing independent and flexible, ensure that electricity stews and performing
Heating effect when difference culinary art work or different cooking stages.
The embodiment of the present invention additionally provides a kind of Electromagnetic Heating electricity and stewed, including cooker body, the pot lid in the cooker body with
And the pot in the cooker body, one end that the side wall of the pot is connected with the bottom wall of the pot are provided with arc transition
Portion；The Electromagnetic Heating electricity stews the Electromagnetic Heating that a kind of electricity provided in an embodiment of the present invention also included in the cooker body stews
Combustion chamber.
Compared with prior art, a kind of Electromagnetic Heating electricity disclosed by the invention is stewed by controlling the electricity in the cooker body
Magnetic heats the work of combustion chamber, a circle Electromagnetic Heating region is formed in the arc transition portion of the pot, to the circular arc of the pot
Transition part carries out surrounding heating, so as to realize the uniform heating to the water in the pot and food materials, while ensures heating effect
With holding high thermal efficiency, the heating cooking work including Baoshang is completed.
Brief description of the drawings
Fig. 1 is a kind of main view profile of the Electromagnetic Heating combustion chamber that electricity stews in preferred embodiment of the present invention；
Fig. 2 is a kind of explosion figure of the Electromagnetic Heating combustion chamber that electricity stews in preferred embodiment of the present invention；
Fig. 3 is a kind of assembling structure schematic diagram of the Electromagnetic Heating combustion chamber that electricity stews in preferred embodiment of the present invention；
Fig. 4 is a kind of structural representation of the coil brace for the Electromagnetic Heating combustion chamber that electricity stews in preferred embodiment of the present invention；
Fig. 5 is a kind of control mode schematic diagram of the Electromagnetic Heating combustion chamber that electricity stews in preferred embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiments of the invention provide a kind of Electromagnetic Heating electricity stew, including cooker body, the pot lid in the cooker body and
Pot 1 in the cooker body, one end that the side wall of the pot 1 is connected with the bottom wall of the pot 1 are provided with arc transition
Portion 11；The Electromagnetic Heating electricity stews the electromagnetism that a kind of electricity provided in an embodiment of the present invention also included in the cooker body stews and added
Hot stove core 2.A kind of Electromagnetic Heating electricity disclosed by the invention stews the work by controlling the Electromagnetic Heating combustion chamber 2 in the cooker body
Make, a circle Electromagnetic Heating region formed in the arc transition portion 11 of the pot 1, so as to realizing to the water in the pot 1 and
The uniform heating of food materials, complete the heating cooking work including Baoshang.
Referring to Fig. 1, it is the main view profile for the Electromagnetic Heating combustion chamber that a kind of electricity that preferred embodiment of the present invention provides stews.
The Electromagnetic Heating combustion chamber 2 that a kind of electricity provided in an embodiment of the present invention stews (does not show including coil installed part 21 in Fig. 1
Meaning), electromagnetic heating coil 22, iron oxygen magnetic conductor 23 (not illustrating in Fig. 1), combustion chamber shell body 24, combustion chamber inner housing 25 and electricity
Magnetic heating power plate 26.
Wherein, the Electromagnetic Heating combustion chamber 2 that a kind of electricity provided in an embodiment of the present invention stews includes coil installed part 21 and electromagnetism
Heating coil 22；The electromagnetic heating coil 22 on the coil installed part 21 around forming electromagnetic coil portion, the electromagnetism
Coil portion corresponds to the arc transition portion 11 of the pot 1.The coil installed part 21 is on the combustion chamber shell body 24, institute
State the concrete structure of coil installed part 21 and the mode that installs around of the electromagnetic heating coil 22 will be described below in detail.
It is provided in an embodiment of the present invention it is a kind of electricity stew Electromagnetic Heating combustion chamber 2 by by the electromagnetic heating coil 22 around
On the coil installed part 21, make the position correspondence of the electromagnetic heating coil 22 around the home in the circular arc mistake of the pot 1
Cross portion 11；By inputting high frequency electric in the electromagnetic heating coil 22 so that surrounding produces alternating magnetic field, above-mentioned alternation magnetic
Field energy makes pot 1 itself produce vortex, and the magnetic line of force penetrates pot 1 and pot 1 is generated heat, so as in the circular arc mistake of the pot 1
Cross portion 11 and form circle Electromagnetic Heating region (region shown in arrow in Fig. 1), the arc transition portion 11 of the pot 1 is carried out
Around heating, so as to realize the uniform heating to water and food materials in the pot 1, while ensure heating effect and keep high fever
Efficiency.
Referring to Fig. 2, it is the explosion figure for the Electromagnetic Heating combustion chamber that a kind of electricity that preferred embodiment of the present invention provides stews.
The Electromagnetic Heating combustion chamber 2 also includes combustion chamber shell body 24；The combustion chamber shell body 24 is provided with described for placing
First accommodating chamber 241 of pot 1, one end of the combustion chamber shell body 24 form connected with first accommodating chamber 241 first
Opening 242；One end that the side wall of the combustion chamber shell body 24 is connected with the bottom wall of the combustion chamber shell body 24 is provided with the first circular arc
Transition part 243.
The Electromagnetic Heating combustion chamber 2 also includes combustion chamber inner housing 25；The combustion chamber inner housing 25 is open by described first
242 in first accommodating chamber 241；The combustion chamber inner housing 25 be provided be used for place the pot 1 and with the pot 1
Second accommodating chamber 251 of Corresponding matching, one end of the combustion chamber inner housing 25 form the connected with second accommodating chamber 251
Two openings 252；One end that the side wall of the combustion chamber inner housing 25 is connected with the bottom wall of the combustion chamber inner housing 25 is provided with the second circle
Arc transition part 253.
Referring to Fig. 3, it is that the assembling structure for the Electromagnetic Heating combustion chamber that a kind of electricity that preferred embodiment of the present invention provides stews is shown
It is intended to.
The Electromagnetic Heating combustion chamber 2 that a kind of electricity that the present embodiment provides stews, using two-layer equation heat-insulation and heat-preservation combustion chamber, including combustion chamber
Shell body 24 and combustion chamber inner housing 25.Wherein, the first opening 242 that the combustion chamber inner housing 25 passes through the combustion chamber shell body 24
In the first accommodating chamber 241 of the combustion chamber shell body 24；The combustion chamber inner housing 25 and the combustion chamber shell body 24 are specific
Installation connected mode be：Referring again to Fig. 2, appearance of the combustion chamber inner housing 25 close to the side wall of the described second opening 252
Face is provided with equally distributed some shackle members 254, and the combustion chamber shell body 24 is close to the side wall of the described first opening 242
Inner surface is provided with the buckling groove 244 with the Corresponding matching of shackle member 254；The outer surface of the bottom wall of the combustion chamber inner housing 25
Equally distributed some plug connectors 255 are provided with, the inner surface of the bottom wall of the combustion chamber shell body 24 is provided with and the grafting
The inserting groove 245 (not illustrating in Fig. 2) of the Corresponding matching of part 255.Therefore, the combustion chamber inner housing 25 is installed to outside the combustion chamber
When in the first accommodating chamber 241 of housing 24, the clamping of shackle member 254 of one end (near open top) of the combustion chamber inner housing 25
Be fixed in the buckling groove 244 of one end (near open top) of the combustion chamber shell body 24, the combustion chamber inner housing 25 it is another
Inserting groove of the plugged and fixed of plug connector 255 of one end (bottom base wall) in the other end (bottom base wall) of the combustion chamber shell body 24
In 245.
And then, the pot 1 can be positioned in the combustion chamber by the second opening 252 of the combustion chamber inner housing 25
In second accommodating chamber 251 of housing 25, and second accommodating chamber 251 and the Corresponding matching of pot 1, the pot 1 are placed
When in the second accommodating chamber 251 of the combustion chamber inner housing 25, the side wall of the pot 1 and the outer surface of bottom wall and the combustion chamber
The inner surface of inner housing 25 is brought into close contact；The combustion chamber inner housing 25 is additionally provided with two in the side wall of the described second opening 252
Individual symmetrical breach 256, as pot button hand position, the pot 1 of the convenient inner surface that will fit in the combustion chamber inner housing 25 from
Taken out in second accommodating chamber 251 of the combustion chamber inner housing 25；The pot 1 is placed on the second of the combustion chamber inner housing 25
In accommodating chamber 251, and the combustion chamber inner housing 25 is located in the first accommodating chamber 241 of the combustion chamber shell body 24, also with regard to phase
It is placed on when in the pot 1 in the first accommodating chamber 241 of the combustion chamber shell body 24, it is simple in construction, it is easy to assembly.
Referring again to Fig. 1, heat-insulation chamber 27 is formed between the combustion chamber inner housing 25 and the combustion chamber shell body 24；It is described every
Heat-barrier material is filled with hot chamber 27, the heat-barrier material includes the heat-insulated foaming body of macromolecule.Using the heat-insulated guarantor of the two-layer equation
Warm combustion chamber, heat-barrier material is filled between the combustion chamber inner housing 25 and the combustion chamber shell body 24, can by the pot 1 with
Outside carries out temperature conduction barrier, realizes good heat insulation effect；In addition, the outside of the pot 1 is stainless using magnetic conduction
Steel material, heat can be produced in the magnetic field of alternation, using aluminum material, thermal conductivity factor is higher, can be quickly for inside
Heat caused by stainless steel is rapidly and evenly delivered to pot nside.And the combustion chamber shell body 24 and the combustion chamber inner housing
25 material is that PPS plastics add glass fibre, high temperature resistant, acid and alkali-resistance, while the electromagnetic heating coil 22 will not be worked
Caused magnetic fields；Therefore the combustion chamber shell body 24 and the combustion chamber inner housing 25 can obstruct temperature conduction,
The pot is incubated, while the electromagnetic heating coil 22 not interfered with again around the home outside the combustion chamber shell body 24 is right
The electromagnetic induction heating of the pot 1, thus the efficiency of heating surface of the Electromagnetic Heating combustion chamber 2 can be effectively improved.
Specifically, on the combustion chamber shell body 24, the electromagnetic heating coil 22 installs around the coil installed part 21
The electromagnetic coil portion formed on the coil installed part 21 corresponds to the first arc transition portion of the combustion chamber shell body 24
243；First arc transition portion 243 of the combustion chamber shell body 24 and the second arc transition portion 253 of the combustion chamber inner housing 25,
The position of arc transition portion 11 of the pot 1 is corresponding, correspondingly, around the Electromagnetic Heating line on the coil installed part 21
Circle 22, i.e., described electromagnetic coil portion also just equally corresponds to the second arc transition portion 253 of the combustion chamber inner housing 25 and the pot
The arc transition portion 11 of body 1；So that after the energization work of electromagnetic heating coil 22, in the arc transition portion 11 of the pot 1
Form Electromagnetic Heating region；Preferably, the second arc transition portion 253 of the combustion chamber inner housing 25 and the combustion chamber shell body 24
The first arc transition portion 243 between vertical range be less than 20 millimeters, and should be small as much as possible, to reach Electromagnetic Heating
The high-frequency of conversion.
It should be understood that the Electromagnetic Heating combustion chamber 2 that a kind of electricity that the present embodiment provides stews, using the two-layer equation of said structure
Heat-insulation and heat-preservation combustion chamber is intended only as the more excellent embodiment of the present invention, in other embodiments, the two-layer equation heat-insulation and heat-preservation stove
Core can also use other structures, or can not use the two-layer equation heat-insulation and heat-preservation combustion chamber；For example, in the another of the present invention
In individual embodiment, the Electromagnetic Heating combustion chamber 2 only includes the combustion chamber shell body 24, and the combustion chamber shell body 24, which is provided with, to be used to put
Put the pot 1 and be still located at described with the first accommodating chamber 251 of the Corresponding matching of pot 1, the coil installed part 21
On combustion chamber shell body 24, and the electromagnetic coil portion corresponds to the first arc transition portion 243；Or in the another of the present invention
In individual embodiment, the Electromagnetic Heating combustion chamber 2 only includes the combustion chamber shell body 24, and the combustion chamber shell body 24, which is provided with, to be used to put
The cavity of the pot 1 is put, the cavity need not accommodate the pot 1 completely, the inner surface of the combustion chamber shell body 24
It is close to also without the outer surface with the pot 1, i.e., described combustion chamber shell body 24 can be the other shapes such as bowl dress, the line
Installed part 21 is enclosed still on the combustion chamber shell body 24, and the electromagnetic coil portion corresponds to the first arc transition portion
243.So, by the coil installed part 21 on the combustion chamber shell body 24, the electromagnetic heating coil 22 is around mounted in institute
State on coil installed part 21 and corresponding to the first arc transition portion 243 of the combustion chamber shell body 24；The pot that the electricity is stewed again
Body 1 is placed in the cavity of the combustion chamber shell body 24, the first arc transition portion 243 and the arc transition of the pot 1
The position of portion 11 is corresponding so that corresponds to the pot 1 around the electromagnetic heating coil 22 on the coil installed part 21
Arc transition portion 11 forms Electromagnetic Heating region, and simple in construction, easy to assembly.Accordingly, it is to be understood that, above-mentioned combustion chamber shell
The structure of body 24 and combustion chamber inner housing 25 is intended only as the more excellent embodiment of the present invention, in other embodiments, the combustion chamber
Shell body 24 and combustion chamber inner housing 25 can also use other structures.
Referring to Fig. 3 and Fig. 4, Fig. 4 is the coil for the Electromagnetic Heating combustion chamber that a kind of electricity that preferred embodiment of the present invention provides stews
The structural representation of support.
The coil installed part 21 includes some coil braces 211；Be additionally provided with the side wall of the combustion chamber shell body 24 with
The pick-and-place components 246 of the Corresponding matching of coil brace 211, the coil brace 211 are equal by the cooperation with the pick-and-place components 246
It is even to be distributed in the side wall of the combustion chamber shell body 24；The bending angle of the coil brace 211 and first arc transition
The radian Corresponding matching in portion 243；The coil brace 211 is provided with some boss 2111, between the adjacent boss 2111
Winding slot 2112 is formed, the electromagnetic heating coil 22 is installed by spacing in the winding slot 2112 around mounted in the coil
On part 21.
The coil installed part 21 is arranged in the side wall of the combustion chamber shell body 24；The coil installed part 21 uses
Bulk-breaking coil fixing structure, bulk-breaking is into some coil braces 211, and by with being set in the side wall of the combustion chamber shell body 24
Pick-and-place components 246 cooperation by the coil brace 211 be arranged on the combustion chamber shell body 24 on so that the coil brace
211 are surrounded on the wall outer surface of the combustion chamber shell body 24；The boss 2111 set on the coil brace 211 forms coiling
Groove 2112, side wall of the electromagnetic heating coil 22 along the combustion chamber shell body 24, install around and spacing in the winding slot
In 2112, final corresponding the first arc transition portion 243 for being surrounded on the combustion chamber shell body 24 of the electromagnetic heating coil 22；
The radian Corresponding matching in the bending angle of the coil brace 211 and the first arc transition portion 243 so that around mounted in
The electromagnetic heating coil 22 on the coil brace 211 can more be bonded the first arc transition portion 243.
Prior art often sets ring-type on the outer surface of the integrally formed combustion chamber shell body 24 or inner surface
Winding slot or coiling boss (convex tendon), the combustion chamber shell body 24 is equivalent to wire coil bracket of the prior art, the present invention
Embodiment uses bulk-breaking coil fixing structure, it is only necessary to individually produces extra coil brace 211, and its grafting is arranged on
In the side wall of the combustion chamber shell body 24, it is not necessary to set winding slot or coiling boss (convex on the combustion chamber shell body 24
Muscle), reduce the die sinking of the combustion chamber shell body 24, produce and process difficulty, and the coil brace 211 installs conveniently soon
Victory, individually process to manufacture technical requirements relatively low, save material.
It should be understood that the structure of above-mentioned coil installed part 21 is intended only as the more excellent embodiment of the present invention, other
In embodiment, the coil installed part 21 can also use other structures.
Specifically, the pick-and-place components 246 are column structure, located at the outer surface of the side wall of the combustion chamber shell body 24；Institute
One end connection first opening 242 of pick-and-place components 246 is stated, the other end of the pick-and-place components 246 is provided with the (Fig. 3 of inserting groove 2461
In do not illustrate)；One end of the coil brace 211 is provided with the cartridge part 2113 with the Corresponding matching of inserting groove 2461, and institute
The one end for stating coil brace 211 passes through the cartridge part 2113 and the mating connection pick-and-place components 246 of the inserting groove 2461
The other end, the other end of the coil brace 211 connects the bottom wall of the combustion chamber shell body 24 by connector 247.It is described
Connector 247 is the specific connected mode of bottom wall of screw, the other end of the coil brace 211 and the combustion chamber shell body 24
For：The other end of the coil brace 211 is additionally provided with through hole, and the bottom wall of the combustion chamber shell body 24, which is provided with some, to be had and institute
The mounting hole of the screw thread of screw Corresponding matching is stated, by the screw from the bottom up through the logical of the other end of coil brace 211
Hole is simultaneously fixed in the internal thread mounting hole of the bottom wall of the combustion chamber shell body 24.
The pick-and-place components 246 are the column structure of the first half for the side wall for being uniformly distributed in the combustion chamber shell body 24, and
One end connection first opening 242, the other end is described by the way that the cartridge part 2113 of the coil brace 211 is inserted
One end of the connection coil brace 211, the other end of the coil brace 211 pass through the connector in inserting groove 2461
The bottom wall of the 247 connection combustion chamber shell bodies 24；On the one hand, the coil brace 211 passes through the pick-and-place components 246 and the company
Fitting 247 is arranged in the side wall of the combustion chamber shell body 24, and quick and easy for installation, on the other hand, the inserting of connection
Part 246 and the coil brace 211 together form the reinforcement structure being uniformly distributed in the side wall of the combustion chamber shell body 24
(equivalent to reinforcing prop), the intensity and rigidity of the combustion chamber shell body 24 are added, prevent the combustion chamber shell body 24 from deforming.Phase
Ying Di, the surface of the combustion chamber inner housing 25 also are provided with reinforcement structure, and the side wall of the combustion chamber inner housing 25, which is provided with, uniformly divides
The reinforcement convex tendon 257 of cloth, it is equally used for increasing the intensity and rigidity of the combustion chamber inner housing 25.
It should be understood that the structure of above-mentioned pick-and-place components 246 is intended only as the more excellent embodiment of the present invention, in other implementations
In example, the pick-and-place components 246 can also use other structures.
The Electromagnetic Heating combustion chamber 2 also includes iron oxygen magnetic conductor 23；Some fasteners are additionally provided with the coil brace 211
2114, the iron oxygen magnetic conductor 23 is connected on the coil brace 211 by the cooperation with the fastener 2114, and described
Iron oxygen magnetic conductor 23 covers the electromagnetic heating coil 22 spacing in the winding slot 2112.Specifically, the iron oxygen magnetic conduction
Body 23 is vertical bar shaped or L-shaped；The fastener 2114 is back-off part, and one end of the fastener 2114 connects the coil brace
211, the other end of the fastener 2114 away from the coil brace 211 is provided with clamping joint；The iron oxygen magnetic conductor 23 is caught in
After the coil brace 211, the one side of the iron oxygen magnetic conductor 23 is with the boss 2111 away from the coil brace 211
One end, which contradicts, to be coordinated, and the another side of the iron oxygen magnetic conductor 23 is engaged by clamping with the clamping joint of the fastener 2114；The line
Coil support 211 is additionally provided with U-shaped boss 2115 close to the other end for the bottom wall for connecting the combustion chamber shell body 24, and the iron oxygen is led
The bottom of magnet 23 abuts with the U-shaped boss 2115.
In order to improve the caloric value of pot 1, it is necessary to strengthen magnetic field intensity caused by electromagnetic heating coil 22, the iron is utilized
The magnetic conductivity of oxygen magnetic conductor 23 can strengthen the magnetic field of the electromagnetic heating coil 22 at work so that and the magnetic line of force is assembled, from
And improve the magnetic field intensity of the position of arc transition portion 11 of the pot 1；And the iron oxygen magnetic conductor 23 is using insertion
Mode, directly it is fixed on the coil brace 211 by the fastener 2114, simple in construction, magnetic conductor is installed
It is next convenient and swift, while without the winding structure for hindering the electromagnetic heating coil 22.
It is typically to be fixed using the mode such as viscose, pressing plate in the prior art, due to can not be by magnetic conductor and electromagnetism in operation
Positioned between heating coil, rigging error is big；And the side for the iron oxygen magnetic conductor 23 insertion that the embodiment of the present invention uses
Formula, it is fast and effective, improve efficiency of assembling and assembly precision；In addition, have in the prior art it is open using magnetic conductor mounting bracket come
The scheme of fixed magnetizer, but because magnetic conductor mounting bracket and wire coil bracket are to separate design and manufacture, differ after the two assembling
Surely obtain preferable fitness, in fact it could happen that not in place, fit-up gap the generation of assembling, so as to reduce magnetic property；And
The fastener 2114 is directly arranged on the coil brace 211 of the bulk-breaking using the embodiment of the present invention, it is no longer necessary to extra
Magnetic conductor mounting bracket, Material Cost reduce；After the iron oxygen magnetic conductor 23 is caught in the coil brace 211 simultaneously, the iron
The one side of oxygen magnetic conductor 23 is overlayed on the top of the boss 2111 so that the iron oxygen magnetic conductor 23 can more press close to institute
State the electromagnetic heating coil 22 spacing in winding slot 2112 and covered, so as to preferably play the iron oxygen
The magnetic collecting effect of magnetic conductor 23, lift Electromagnetic Heating efficiency.
It should be understood that the mounting structure of above-mentioned iron oxygen magnetic conductor 23 is intended only as the more excellent embodiment of the present invention,
In other embodiments, the iron oxygen magnetic conductor 23 can also use other mounting structures.
Referring again to Fig. 1, the Electromagnetic Heating combustion chamber 2 also includes electromagnetic heating power plate 26；The electromagnetic heating coil
22 are electrically connected with the electromagnetic heating power plate 26.
Referring to Fig. 5, it is that the control mode for the Electromagnetic Heating combustion chamber that a kind of electricity that preferred embodiment of the present invention provides stews is shown
It is intended to.
The Electromagnetic Heating combustion chamber 2 that a kind of electricity that the present embodiment provides stews, (PWM) or closed-loop control are adjusted using pulse
(PID) method carries out computer heating control；For example, the man-machine interactive system selection that user can be stewed by the electricity first is different
Mode of operation or heating gear (such as mode of operation is 1., 2., 3., 4., 5.), the control system stewed by the electricity are selected according to user
The mode of operation or heating gear selected control the watt level of the electromagnetic heating power plate 26 of the Electromagnetic Heating combustion chamber 2, so as to
The size for changing the output current of electromagnetic power amplifier board 26 is to change the size of the electrical current of electromagnetic heating coil 22, is also just changed
The electromagnetic heating coil 22 produces the size in magnetic field, controls the heating to the pot 1；The electricity is stewed in the pot 1
Bottom be additionally provided with temperature sensor, the pot wall temperature of the pot is detected by the temperature sensor, the electricity
The control system of pot can also be according to the temperature that the temperature sensor detects again to the work(of the electromagnetic heating power plate 26
Rate size is adjusted, so as to form closed-loop control；Such as when the temperature of the pot is higher than a default threshold value, institute
Control system starting protection pattern is stated, stops to the galvanization of electromagnetic heating coil 22, that is, controlling the Electromagnetic Heating combustion chamber
2 stop heating；So as to control the Electromagnetic Heating combustion chamber 2 to work with realizing independent and flexible, ensure that electricity stews and performing different culinary arts
Heating effect when work or different cooking stages.
In summary, the Electromagnetic Heating combustion chamber 2 that a kind of electricity provided in an embodiment of the present invention stews is by will be around mounted in the line
The arc transition portion 11 that the electromagnetic heating coil 22 enclosed on installed part 21 corresponds to the pot 1 forms arc heating zone
Domain, realize the uniform heating for pot；Simultaneously by the combustion chamber shell body 24 and the combustion chamber inner housing 25 it is double-deck every
Warm insulation construction, do not influence the electromagnetic heating coil 22 to the pot 1 heat on the premise of, to the pot carry out every
Heat insulation, ensure the high thermal efficiency of the Electromagnetic Heating combustion chamber 2；And by the electromagnetic heating power plate 26 to the electromagnetism
The work of heating coil 22 carries out the control of independent and flexible.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. the Electromagnetic Heating combustion chamber that a kind of electricity stews, the electricity, which stews, includes pot, the bottom wall of the side wall of the pot and the pot
One end of connection is provided with arc transition portion；
Characterized in that, the Electromagnetic Heating combustion chamber includes combustion chamber shell body, coil installed part and electromagnetic heating coil；The stove
Core housing body is provided with the first accommodating chamber for being used for placing the pot；One end of the combustion chamber shell body is formed to hold with described first
First opening of chamber of receiving connection；The coil installed part is in the side wall of the combustion chamber shell body；The electromagnetic heating coil
Electromagnetic coil portion is formed around on the coil installed part；The electromagnetic coil portion corresponds to the arc transition portion of the pot.
2. the Electromagnetic Heating combustion chamber that a kind of electricity as claimed in claim 1 stews, it is characterised in that if the coil installed part includes
Main line coil support；The pick-and-place components with the coil brace Corresponding matching, the line are additionally provided with the side wall of the combustion chamber shell body
Coil support is evenly distributed in the side wall of the combustion chamber shell body by the cooperation with the pick-and-place components；
One end that the side wall of the combustion chamber shell body is connected with the bottom wall of the combustion chamber shell body is provided with the first arc transition portion；Institute
State the bending angle of coil brace and the radian Corresponding matching in the first arc transition portion；Described in the electromagnetic coil portion is corresponding
First arc transition portion；
The coil brace is provided with some boss, and winding slot, the electromagnetic heating coil are formed between the adjacent boss
By it is spacing in the winding slot around on the coil installed part.
3. the Electromagnetic Heating combustion chamber that a kind of electricity as claimed in claim 2 stews, it is characterised in that the pick-and-place components are column knot
Structure；One end connection first opening of the pick-and-place components, the other end of the pick-and-place components are provided with inserting groove；The coil brace
One end be provided with cartridge part with the inserting groove Corresponding matching, and one end of the coil brace passes through the cartridge part and institute
The other end of the mating connection pick-and-place components of inserting groove is stated, the other end of the coil brace connects the stove by connector
The bottom wall of core housing body.
4. the Electromagnetic Heating combustion chamber that a kind of electricity as claimed in claim 2 stews, it is characterised in that also including iron oxygen magnetic conductor；Institute
State and some fasteners are additionally provided with coil brace, the iron oxygen magnetic conductor is connected to the line by the cooperation with the fastener
On coil support, and the iron oxygen magnetic conductor covers the electromagnetic heating coil spacing in the winding slot；The iron oxygen magnetic conduction
Body is vertical bar shaped or L-shaped.
5. the Electromagnetic Heating combustion chamber that a kind of electricity as claimed in claim 1 stews, it is characterised in that also including combustion chamber inner housing；Institute
Combustion chamber inner housing is stated to be located in first accommodating chamber by the described first opening；The combustion chamber inner housing, which is provided with, to be used to place institute
State pot and formed and the described second receiving with the second accommodating chamber of the pot Corresponding matching, one end of the combustion chamber inner housing
Second opening of chamber connection；
Heat-insulation chamber is formed between the combustion chamber inner housing and the combustion chamber shell body；Heat-barrier material is filled with the heat-insulation chamber,
The heat-barrier material includes the heat-insulated foaming body of macromolecule.
6. the Electromagnetic Heating combustion chamber that a kind of electricity as claimed in claim 5 stews, it is characterised in that the side wall of the combustion chamber shell body
The one end being connected with the bottom wall of the combustion chamber shell body is provided with the first arc transition portion；The side wall of the combustion chamber inner housing with it is described
One end of the bottom wall connection of combustion chamber inner housing is provided with the second arc transition portion；The electromagnetic coil portion corresponds to the first circular arc mistake
Cross portion and the second arc transition portion；
It is vertical between first arc transition portion of the combustion chamber shell body and the second arc transition portion of the combustion chamber inner housing
Distance is less than 20 millimeters.
7. the Electromagnetic Heating combustion chamber that a kind of electricity as claimed in claim 5 stews, it is characterised in that the combustion chamber inner housing is close to institute
The outer surface for stating the side wall of the second opening is provided with equally distributed some shackle members, and the combustion chamber shell body is close to described first
The inner surface of the side wall of opening is provided with the buckling groove with the shackle member Corresponding matching；
The outer surface of the bottom wall of the combustion chamber inner housing is provided with equally distributed some plug connectors, the bottom of the combustion chamber shell body
The inner surface of wall is provided with the inserting groove with the plug connector Corresponding matching.
8. the Electromagnetic Heating combustion chamber that a kind of electricity as claimed in claim 5 stews, it is characterised in that the combustion chamber shell body and described
Combustion chamber inner housing is made using PPS plastics plus glass fibre material.
9. the Electromagnetic Heating combustion chamber that a kind of electricity as claimed in claim 1 stews, it is characterised in that also including electromagnetic heating power
Plate；The electromagnetic heating coil is electrically connected with the electromagnetic heating power plate.
10. a kind of Electromagnetic Heating electricity stews, including cooker body, the pot lid in the cooker body and the pot in the cooker body
Body, one end that the side wall of the pot is connected with the bottom wall of the pot are provided with arc transition portion；Characterized in that, the electromagnetism
Heating electricity stews the Electromagnetic Heating combustion chamber as described in any one of claim 1~9 also included in the cooker body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884686.9A CN107509264B (en) | 2017-09-26 | 2017-09-26 | Electromagnetic heating furnace core of electric cooker and electromagnetic heating electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884686.9A CN107509264B (en) | 2017-09-26 | 2017-09-26 | Electromagnetic heating furnace core of electric cooker and electromagnetic heating electric cooker |
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| CN107509264A true CN107509264A (en) | 2017-12-22 |
| CN107509264B CN107509264B (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN107509264B (en) | 2021-02-12 |
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