CN107041028A - A kind of coil disc of electric stove and its processing technology - Google Patents
A kind of coil disc of electric stove and its processing technology Download PDFInfo
- Publication number
- CN107041028A CN107041028A CN201710416177.3A CN201710416177A CN107041028A CN 107041028 A CN107041028 A CN 107041028A CN 201710416177 A CN201710416177 A CN 201710416177A CN 107041028 A CN107041028 A CN 107041028A
- Authority
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- China
- Prior art keywords
- support column
- base plate
- coil
- annular flange
- circular
- 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
- H05B6/36—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
Abstract
It can simplify mounting process the invention discloses a kind of and the coil disc of electric stove and its processing technology of sensing heating efficiency can be improved.The coil disc of electric stove includes magnetic core framework, coil windings disk two large divisions.Magnetic core framework includes circular base plate, upward annular flange is provided with the upper surface outer ledge of circular base plate, the upper surface center of circular base plate is provided with support column, coil windings disk is arranged on the support columns, the annular flange, chassis, support column is integral type structure, the magnetic core framework using magnetic material with engineering plastics are integrated poured forms, so magnetic core framework had both had standoff supporting role, there is the electromagnetic shielding action of magnetic stripe again, so that the mounting process of coil panel is greatly simplified, overall cost increase is few, install and easy to maintenance, in addition, the magnetic core framework of the integral type is simple in construction, easy to manufacture, mounting process simplifies, the effect of electromagnetic oven sensing heating can significantly be improved.It is adapted to promote the use in household appliance technical field.
Description
Technical field
The invention belongs to household appliance technical field, and in particular to a kind of coil disc of electric stove and its processing technology.
Background technology
Electromagnetic oven is the heating equipment heated using the vortex produced by electromagnetic induction principle to pan, and it heats dress
Coil disc of electric stove is set to, electromagnetic radiation also mostlys come from coil panel, and coil panel includes support, magnetic stripe, coil.Existing electromagnetism
Most of stove coil panel is to use yi word pattern magnetic stripe, and magnetic stripe is radially pasted onto above or below coil brace to carry out electromagnetism
Shielding.The coil disc of electric stove of yi word pattern magnetic stripe is although simple in construction, easy to manufacture, and cost is relatively low, and versatility is good, but is due to
Magnetic stripe must use resistant to elevated temperatures insulation silica gel or resin bonding to be fixed on upper surface or the lower surface of engineering plastics support, simultaneously
Reinforced and isolated using insulating tape, therefore to there is mounting process always very troublesome for the coil disc of electric stove of this structure
Problem so that in the manufacturing of electromagnetic oven, the installation of coil panel is cumbersome, and complex process, flow is more, production efficiency by
To limitation, and the shape of magnetic stripe is single, simple in construction, the further raising of sensing heating efficiency is limited, while also can not
Effectively control leakage magnetic field.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, can simplify mounting process and can effectively improve sensing
The coil disc of electric stove of the efficiency of heating surface.
The technical solution adopted for the present invention to solve the technical problems is：The coil disc of electric stove, including magnetic core framework, line
Winding disk is enclosed, the magnetic core framework includes circular base plate, is provided with the upper surface outer ledge of the circular base plate upward
Annular flange, the upper surface center of the circular base plate is provided with support column, and the coil windings disk is arranged on the support columns
And coil windings disk is located between annular flange and support column, the annular flange, chassis, support column are integral type structure, institute
State magnetic core framework using magnetic material with engineering plastics are integrated poured forms.
It is further that the thickness of the circular base plate is 4-6mm, a diameter of 120-140mm of circular base plate, the branch
A diameter of 20-30mm of dagger, the height of support column is 12-18mm, and the width of the annular flange is 8-12mm, annular flange
Height be 12-18mm.
It is further that the thickness of the circular base plate is 5mm, a diameter of 130mm of circular base plate, the support column
A diameter of 25mm, the height of support column is 15mm, and the width of the annular flange is 10mm, and the height of annular flange is 15mm.
It is further that the weight ratio of magnetic material and engineering plastics is (2.5-3.5) in the magnetic core framework：1.
It is further that the weight ratio of magnetic material and engineering plastics is 3 in the magnetic core framework：1.
It is further that the coil windings disk includes Circular Winding inner disc and Circular Winding external disk, the Circular Winding
The external diameter of external disk and the internal diameter of annular flange match, and the internal diameter of the Circular Winding inner disc and the diameter of support column match,
The Circular Winding inner disc is arranged in annular external disk, and outer ledge and the inner side of Circular Winding external disk of Circular Winding inner disc
There is gap between edge, the width in the gap is 10mm.
Present invention also offers a kind of processing technology for manufacturing above-mentioned coil disc of electric stove, specifically, the electromagnetic stove coil
The processing technology of disk, comprises the following steps：
A, according to following the weight magnetic material and engineering plastics more powdered than weighing, the core material and engineering plastic
The weight ratio of material is (2.5-3.5)：1；
B, mould is prepared, the mould has die cavity, and the shape of the die cavity is identical with the formed profiles of magnetic core framework, institute
Stating magnetic core framework includes circular base plate, and the upper surface outer edge of the circular base plate is provided with upward annular flange, described
The upper surface center of circular base plate is provided with support column；
C, engineering plastics are melted to molten condition, then powdered core material is mixed into the engineering plastic of molten condition
Uniform stirring is centrifuged in material；
D, be blended with the engineering plastics of the molten condition of core material injection membrane cavity in, after after engineering plastics cooled and solidified
Form the magnetic core framework of integral type；
E, preparation coil windings disk；
F, by the coil windings disk prepared be arranged on the support columns and cause coil windings disk be located at annular flange with branch
Between dagger.
It is further that the weight ratio of the magnetic material and engineering plastics is 3：1.
It is further that the thickness of the circular base plate is 5mm, a diameter of 130mm of circular bottom plate, the support column
A diameter of 25mm, the height of support column is 15mm, and the width of the annular flange is 10mm, and the height of annular flange is 15mm.
It is further that the coil windings disk includes Circular Winding inner disc and Circular Winding external disk, the Circular Winding
The external diameter of external disk and the internal diameter of annular flange match, and the external diameter of the Circular Winding inner disc and the diameter of support column match,
The Circular Winding inner disc is arranged in Circular Winding external disk, and the outer ledge and Circular Winding external disk of Circular Winding inner disc
There is gap between inside edge, the width in the gap is 10mm.
The beneficial effects of the present invention are：The magnetic core framework of the coil disc of electric stove is whole using magnetic material and engineering plastics
Body cast is formed, and such magnetic core framework had both had standoff supporting role, the electromagnetic shielding action with magnetic stripe, and magnetic core
The integral structure that skeleton is made up of annular flange, chassis, support column, only need to be by coil windings disk when installing coil panel
It is arranged on the support columns and coil windings disk is located between annular flange and support column so that the mounting process of coil panel is big
Big to simplify, overall cost increase is few, installs and easy to maintenance, high-power electromagnetic oven and height can be manufactured and designed on this basis
The electromagnetic oven of efficiency, in addition, the magnetic core framework of the integral type is simple in construction, easy to manufacture, while coil panel can be effectively increased
With the magnetic coupling of pan, reduce magnetic circuit reluctance, greatly improve the eddy-current loss power output of electromagnetic oven, and its eddy-current loss
Density is all significantly increased on the outside of bottom of pot body center and pot, and the uniformity of Temperature Distribution is substantially changed during sensing heating
It is kind, it will significantly improve the effect of electromagnetic oven sensing heating.
Brief description of the drawings
Fig. 1 is coil disc of electric stove top view of the present invention；
Fig. 2 is the schematic cross-section of coil disc of electric stove of the present invention；
Marked in figure：Magnetic core framework 1, circular base plate 101, annular flange 102, central support posts 103, coil windings disk 2,
Circular Winding inner disc 201, Circular Winding external disk 202.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
As shown in Fig. 1 to 2, the coil disc of electric stove, including magnetic core framework 1, coil windings disk 2, the magnetic core framework 1 is wrapped
Include and be provided with upward annular flange 102, the circle at circular base plate 101, the upper surface outer ledge of the circular base plate 101
The upper surface center on shape chassis 101 is provided with support column 103, and the coil windings disk 2 is set on support column 103 and coil
Winding disk 2 is located between annular flange 102 and support column 103, and the circular base plate 101, annular flange 102, support column 103 are
Integral structure, the magnetic core framework 1 using magnetic material with engineering plastics are integrated poured forms.The magnetic of the coil disc of electric stove
Core crab 1 using magnetic material with engineering plastics are integrated poured forms, such magnetic core framework 1 had both had standoff support work
With, there is the electromagnetic shielding action of magnetic stripe again, and magnetic core framework 1 is by circular base plate 101, annular flange 102, support column 103
Integral structure is constituted, when installing coil panel, coil windings disk 2 need to be only set on support column 103 and coil windings disk 2
Between annular flange 102 and support column 103 so that the mounting process of coil panel is greatly simplified, overall cost increase
Seldom, install and easy to maintenance, high-power electromagnetic oven and the electromagnetic oven of high energy efficiency can be manufactured and designed on this basis, in addition,
The magnetic core framework 1 of the integral type is simple in construction, easy to manufacture, can be effectively increased the magnetic coupling of coil panel and pan, reduces
Magnetic circuit reluctance, greatly improves the eddy-current loss power output of electromagnetic oven, and its eddy-current loss density in bottom of pot body center and
All significantly increase on the outside of pot, during sensing heating the uniformity of Temperature Distribution be improved significantly, will significantly improve electromagnetic oven
The effect of sensing heating.
Depending on the circular base plate 101, annular flange 102, the size of support column 103 are according to specific service condition, lead to
In the case of often, the thickness of the circular base plate 101 is 4-6mm, a diameter of 120-140mm of circular base plate, the support column 103
A diameter of 20-30mm, the height of support column 103 is 12-18mm, and the width of the annular flange 102 is 8-12mm, convex annular
The height of edge 102 is 12-18mm.Further that the thickness of the circular base plate 101 is 5mm, circular base plate it is a diameter of
130mm, a diameter of 25mm of the support column 103, the height of support column 103 is 15mm, and the width of the annular flange 102 is
10mm, the height of annular flange 102 is 15mm.
In order to ensure that magnetic core framework 1 has magnetic material and engineering in preferable effectiveness, the magnetic core framework 1
The weight ratio of plastics is 2.5-3.5：1.It is further that while preferable effectiveness is ensured, magnetic core framework 1 has
The weight ratio for having magnetic material and engineering plastics in the stronger ability withstood shocks, the magnetic core framework 1 is 3：1.
Due to coil panel eddy-current loss density bottom of pot body center and pot on the outside of it is all smaller, it is above-mentioned during sensing heating
The temperature at position is relatively low, and it is not very uniform to cause cooking bottom temperature distribution, therefore, coil windings disk 2 is divided into two annular sections,
I.e. described coil windings disk 2 is included outside Circular Winding inner disc 201 and Circular Winding external disk 202, the Circular Winding external disk 202
Footpath and the internal diameter of annular flange 102 match, and the diameter of the internal diameter and support column 103 of the Circular Winding inner disc 201 matches,
The Circular Winding inner disc 201 is arranged in Circular Winding external disk 202, and the outer ledge and annular of Circular Winding inner disc 201
There is gap between the inside edge of winding external disk 202, the width in the gap is 10mm, and centre stays 10mm space not arrange
Coil, so just can cause intermediate annular position temperature to be unlikely to too high, so that the temperature homogeneity in the bottom of a pan obtains bright
It is aobvious to improve, so that the bottom of a pan is heated evenly.
It is powdered that the core material can be that the magnetic object of existing various tools is ground into, in order to protect
Its effectiveness is demonstrate,proved, the core material is preferably crystallite magnetic.
Present invention also offers a kind of processing technology for manufacturing above-mentioned coil disc of electric stove, specifically, the electromagnetic stove coil
The processing technology of disk, comprises the following steps：
A, according to following the weight magnetic material and engineering plastics more powdered than weighing, the core material and engineering plastic
The weight ratio of material is 2.5-3.5：1；
B, mould is prepared, the mould has die cavity, and the shape of the die cavity is identical with the formed profiles of magnetic core framework 1,
The magnetic core framework 1 includes being provided with upward ring at circular base plate 101, the upper surface outer ledge of the circular base plate 101
Shape flange 102, the upper surface center of the circular base plate 101 is provided with support column 103；
C, engineering plastics are melted to molten condition, then powdered core material is mixed into the engineering plastic of molten condition
In material；Powdered core material is mixed into adopt in the engineering plastics of molten condition and realized with the following method：It will melt
The engineering plastics of state are injected in resistant to elevated temperatures centrifugal mixer equipment, while powdered core material is poured into mixing plant
Uniform stirring is centrifuged, needs the temperature being kept stirring in equipment to be higher than the melting temperature of engineering plastics in whipping process；Which
Core material can be made to be evenly distributed in magnetic core framework 1, so as to play preferable effectiveness, magnetic field is effectively reduced
Leakage.
D, be blended with the engineering plastics of the molten condition of core material injection membrane cavity in, after after engineering plastics cooled and solidified
Form the magnetic core framework 1 of integral type；Powdered core material can also be put into die cavity in advance, then by molten condition
In engineering plastics injection membrane cavity, so that core material condenses the magnetic core framework 1 for being formed as one integral type with engineering plastics；
E, preparation coil windings disk 2；
F, by the coil windings disk 2 prepared be set on support column 103 and cause coil windings disk 2 be located at annular flange
Between 102 and support column 103.
It is further that while preferable effectiveness is ensured, magnetic core framework 1 has stronger withstand shocks
Ability, the weight ratio of the magnetic material and engineering plastics is 3：1..
Depending on the circular base plate 101, annular flange 102, the size of support column 103 are according to specific service condition, lead to
In the case of often, the thickness of the circular base plate 101 is 5mm, a diameter of 130mm of circular bottom plate, the diameter of the support column 103
For 25mm, the height of support column 103 is 15mm, and the width of the annular flange 102 is 10mm, and the height of annular flange 102 is
15mm。
Eddy-current loss density during due to coil panel sensing heating is all obviously reduced on the outside of bottom of pot body center and pot,
Temperature Distribution is not very uniform during sensing heating, therefore, coil windings disk 2 is divided into two annular sections, i.e., described coil around
Group disk 2 includes Circular Winding inner disc 201 and Circular Winding external disk 202, the external diameter and annular flange of the Circular Winding external disk 202
102 internal diameter matches, and the diameter of the internal diameter and support column 103 of the Circular Winding inner disc 201 matches, the Circular Winding
Inner disc 201 is arranged in Circular Winding external disk 202, and the outer ledge and Circular Winding external disk 202 of Circular Winding inner disc 201
There is gap between inside edge, the width in the gap is 10mm, and centre is stayed 10mm space not arrange coil, so just may be used
To cause the annular region temperature in bottom of pot body center to be unlikely to too high, so that the temperature homogeneity in the bottom of a pan is substantially changed
It is kind, so that the bottom of a pan is heated evenly.
It is powdered that the core material can be that the magnetic object of existing various tools is ground into, in order to protect
Its effectiveness is demonstrate,proved, the core material is preferably crystallite magnetic.
Claims (10)
1. a kind of coil disc of electric stove, it is characterised in that：Including magnetic core framework (1), coil windings disk (2), the magnetic core framework
(1) include being provided with upward annular flange at circular base plate (101), the upper surface outer ledge of the circular base plate (101)
(102), the upper surface center of the circular base plate (101) is provided with support column (103), and the coil windings disk (2) is arranged
On support column (103) and coil windings disk (2) be located between annular flange (102) and support column (103), the annular flange
(102), chassis, support column (103) are integral type structure, and the magnetic core framework (1) is overall with engineering plastics using magnetic material
Cast is formed.
2. coil disc of electric stove as claimed in claim 1, it is characterised in that：The thickness of the circular base plate (101) is 4-
6mm, a diameter of 120-140mm of circular base plate, a diameter of 20-30mm of the support column (103), the height of support column (103)
Spend for 12-18mm, the width of the annular flange (102) is 8-12mm, and the height of annular flange (102) is 12-18mm.
3. coil disc of electric stove as claimed in claim 2, it is characterised in that：The thickness of the circular base plate (101) is 5mm,
A diameter of 130mm of circular base plate, a diameter of 25mm of the support column (103), the height of support column (103) is 15mm, institute
The width for stating annular flange (102) is 10mm, and the height of annular flange (102) is 15mm.
4. coil disc of electric stove as claimed in claim 1, it is characterised in that：Magnetic material and work in the magnetic core framework (1)
The weight ratio of engineering plastics is (2.5-3.5)：1.
5. coil disc of electric stove as claimed in claim 4, it is characterised in that：Magnetic material and work in the magnetic core framework (1)
The weight ratio of engineering plastics is 3：1.
6. coil disc of electric stove as claimed in claim 1, it is characterised in that：The coil windings disk (2) includes Circular Winding
Inner disc (201) and Circular Winding external disk (202), the external diameter of the Circular Winding external disk (202) and the internal diameter of annular flange (102)
Match, the diameter of the internal diameter and support column (103) of the Circular Winding inner disc (201) matches, the Circular Winding inner disc
(201) it is arranged in Circular Winding external disk (202), and the outer ledge and Circular Winding external disk of Circular Winding inner disc (201)
(202) there is gap between inside edge, the width in the gap is 10mm.
7. a kind of processing technology of coil disc of electric stove, it is characterised in that comprise the following steps：
A, according to following the weight magnetic material and engineering plastics more powdered than weighing, the core material and engineering plastics
Weight ratio is (2.5-3.5)：1；
B, mould is prepared, the mould has die cavity, and the shape of the die cavity is identical with the formed profiles of magnetic core framework (1), institute
Stating magnetic core framework (1) includes being provided with circular base plate (101), the upper surface outer ledge of the circular base plate (101) upwards
Annular flange (102), the upper surface center of the circular base plate (101) is provided with support column (103)；
C, engineering plastics are melted to molten condition, then powdered core material is mixed into the engineering plastics of molten condition
Centrifuge uniform stirring；
D, be blended with the engineering plastics of the molten condition of core material injection membrane cavity in, after after engineering plastics cooled and solidified formed
The magnetic core framework (1) of integral type；
E, preparation coil windings disk (2)；
F, by the coil windings disk (2) prepared be set on support column (103) and cause coil windings disk (2) be located at convex annular
Between edge (102) and support column (103).
8. the processing technology of coil disc of electric stove as claimed in claim 7, it is characterised in that：The magnetic material and engineering plastic
The weight ratio of material is 3：1.
9. the processing technology of coil disc of electric stove as claimed in claim 7, it is characterised in that：The circular base plate (101)
Thickness is 5mm, a diameter of 130mm of circular base plate, a diameter of 25mm of the support column (103), the height of support column (103)
For 15mm, the width of the annular flange (102) is 10mm, and the height of annular flange (102) is 15mm.
10. the processing technology of coil disc of electric stove as claimed in claim 7, it is characterised in that：Coil windings disk (2) bag
Include Circular Winding inner disc (201) and Circular Winding external disk (202), the external diameter and annular flange of the Circular Winding external disk (202)
(102) internal diameter matches, and the diameter of the internal diameter and support column (103) of the Circular Winding inner disc (201) matches, the ring
Shape winding inner disc (201) is arranged in Circular Winding external disk (202), and the outer ledge and annular of Circular Winding inner disc (201)
There is gap between the inside edge of winding external disk (202), the width in the gap is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710416177.3A CN107041028A (en) | 2017-06-06 | 2017-06-06 | A kind of coil disc of electric stove and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710416177.3A CN107041028A (en) | 2017-06-06 | 2017-06-06 | A kind of coil disc of electric stove and its processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107041028A true CN107041028A (en) | 2017-08-11 |
Family
ID=59541025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710416177.3A Pending CN107041028A (en) | 2017-06-06 | 2017-06-06 | A kind of coil disc of electric stove and its processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107041028A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107995715A (en) * | 2017-12-31 | 2018-05-04 | 乐山师范学院 | The integrated magnetic core framework and its processing technology of a kind of electromagnetic oven |
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