CN207354662U - Coil panel and electromagnetic cooking appliance - Google Patents
Coil panel and electromagnetic cooking appliance Download PDFInfo
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- CN207354662U CN207354662U CN201721490702.8U CN201721490702U CN207354662U CN 207354662 U CN207354662 U CN 207354662U CN 201721490702 U CN201721490702 U CN 201721490702U CN 207354662 U CN207354662 U CN 207354662U
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Abstract
The utility model discloses a kind of coil panel and electromagnetic cooking appliance, wherein, the coil panel includes coil panel seat and the first annular coil, the second loop coil that are wound on coil panel seat, the second toroid ring is located at the outside of first annular coil, the winding height H1 of the first annular coil is equal to the winding height H2 of the second loop coil, and the upper surface of second loop coil is higher than the upper surface of first annular coil.The utility model coil panel, by making the upper surface of the second loop coil be higher than the upper surface of first annular coil, so that the distance between the upper surface of the second loop coil and cooking pot tool closer to, so as to increase the magnetic induction intensity on the outside of coil panel, it is more nearly the magnetic induction intensity in outside in coil panel, so that the heating of coil panel and electromagnetic cooking appliance is more uniform.
Description
Technical field
Electromagnetic heating technique field is the utility model is related to, more particularly to a kind of coil panel and electromagnetic cooking appliance.
Background technology
Coil panel is one of significant components of electromagnetic cooking appliance, and coil panel includes coil panel seat and is wound on coil panel
The winding coil of seat upper disk surface, under coil panel seat card magnetic stripe, high frequency alternating electromagnetic field caused by coil panel exists
Vortex is produced in heated object, to realize electromagnetic heating.
Existing coil panel uses planar structure, i.e. the distance of coil surface to the bottom of a pan is definite value, when coil panel works,
Because of the inherent characteristic of Distribution of Magnetic Field, heating on the inside of coil panel is caused to be concentrated, outside heating is weak, and heating uniformity is poor.
Utility model content
The main purpose of the utility model is to provide a kind of coil panel, it is intended to it is poor to solve existing coil panel heating uniformity
Technical problem.
To achieve the above object, a kind of coil panel provided by the utility model, for electromagnetic cooking appliance, the coil panel
Including coil panel seat and the first annular coil being wound on the coil panel seat, the second loop coil, second toroid
Ring is located at the outside of the first annular coil, and the winding height of the first annular coil is equal to second loop coil
Winding height, and the upper surface of second loop coil be higher than the first annular coil upper surface.
Preferably, have first between the upper surface of second loop coil and the upper surface of the first annular coil
Distance, first distance are greater than or equal to 1 millimeter.
Preferably, first distance is less than or equal to 5 millimeters.
Preferably, the upper disk surface of the coil panel seat is formed with first annular wire casing and is located on the first annular line
The second annular wire casing on the outside of groove, the first annular wire casing have the first depth, and the described second annular wire casing has second deeply
Degree, first depth are equal to second depth, and the plane where the notch of the described second annular wire casing is higher than described first
Plane where the notch of annular wire casing；The first annular coil, the second loop coil correspondence are wound on described first annular
In wire casing, the second annular wire casing.
Preferably, the slot bottom of each annular wire casing in the first annular wire casing and the second annular wire casing is convexly equipped with more
The spaced coiling muscle of a radial direction along the coil panel seat, it is multiple along the line to be limited in annular wire casing
Enclose the spaced winding slot of radial direction of disk seat.
Preferably, the first annular coil is arranged at intervals with second loop coil.
Preferably, the coil panel further includes the 3rd loop coil being wound on the coil panel seat, the tricyclic
Shape coil loop is located at the outside of second loop coil, and the winding height of second loop coil is equal to the described 3rd annular
The winding height of coil, and the upper surface of the 3rd loop coil is higher than the upper surface of second loop coil.
The utility model also provides a kind of electromagnetic cooking appliance, including coil panel.The coil panel include coil panel seat and
First annular coil, the second loop coil being wound on the coil panel seat, the second toroid ring are located at described
The outside of one loop coil, the winding height of the first annular coil are equal to the winding height of second loop coil, and
The upper surface of second loop coil is higher than the upper surface of the first annular coil.
Preferably, the electromagnetic cooking appliance further includes a panel, and the panel interval is arranged on second loop coil
Top, to place cooking pot tool；Have the between the upper surface of the first annular coil and the upper surface of the panel
Two distances, the second distance are greater than or equal to 7 millimeters.
Preferably, the second distance is less than or equal to 12 millimeters.
The utility model coil panel, by making the winding height H1 of first annular coil be equal to the coiling of the second loop coil
Height H2, and the upper surface of the second loop coil is higher than the upper surface of first annular coil, so that the second loop coil is upper
The distance between surface and cooking pot tool are less than the distance between upper surface and cooking pot tool of first annular coil, i.e. the second ring
The distance between the upper surface of shape coil and cooking pot tool are closer to so as to increase magnetic strength of second loop coil at cooking pot tool
Answer intensity and magnetic induction intensity of the relatively reduced first annular coil at cooking pot tool, that is, increase the magnetic strength on the outside of coil panel
Intensity is answered and the magnetic induction intensity on the inside of relatively reduced coil panel, to reduce in coil panel between the magnetic induction intensity in outside
Gap, is more nearly the magnetic induction intensity in outside in coil panel, so that the heating of coil panel and electromagnetic cooking appliance is more
Uniformly.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of one embodiment of the utility model coil panel；
Fig. 2 is the top view of Fig. 1 coil disks；
Cross-sectional view when Fig. 3 is the use state of Fig. 1 coil disks, wherein cooking pot tool are placed on coil panel
Top；
Fig. 4 is the partial enlarged view at A in Fig. 3.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Coil panel | 10 | Coil panel seat |
| 11 | First annular wire casing | 12 | Second annular wire casing |
| 15 | Coiling muscle | 16 | Winding slot |
| 20 | First annular coil | 30 | Second loop coil |
| 60 | Annular space | 200 | Cooking pot tool |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model provides a kind of coil panel, for electromagnetic cooking appliance.
The electromagnetic cooking appliance can be electromagnetic oven, electric cooker or electric pressure cooking saucepan etc.；In the present embodiment, the electromagnetism
Cooking apparatus is electromagnetic oven.
In one embodiment of the utility model, as shown in Figures 1 to 4, the coil panel 100 include coil panel seat 10 and around
First annular coil 20, the second loop coil 30 on coil panel seat 10 are made, 30 ring of the second loop coil is located at first
The outside of loop coil 20, the winding height H1 of the first annular coil 20 are equal to the winding height of the second loop coil 30
H2, and the upper surface of second loop coil 30 is higher than the upper surface of first annular coil 20.
When electromagnetic cooking appliance works, cooking pot tool 200 is placed on the top of coil panel 100, and the coil panel 100 can produce
A raw high-frequency alternating magnetic field radiated from the center of coil panel 100 to the outer rim of coil panel 100, upper with coil panel 100
On the vertical longitudinal direction of card, the magnetic field intensity of the alternating magnetic field follows Biot-Savart lawThe size of magnetic field intensity B arrives the distance (r) of the upper surface of the winding coil of coil panel 100 with it
Square it is inversely proportional, i.e. more remote with the distance (r) of the upper surface of the winding coil of coil panel 100, magnetic field intensity is weaker.
So the utility model coil panel 100, by making the winding height H1 of first annular coil 20 be equal to the second annular
The winding height H2 of coil 30, and the upper surface of the second loop coil 30 is higher than the upper surface of first annular coil 20, so that
The distance between the upper surface of second loop coil 30 and cooking pot tool 200 are less than upper surface and the culinary art of first annular coil 20
The distance between cookware 200, i.e., the distance between the upper surface of the second loop coil 30 and cooking pot tool 200 are closer to so as to increase
Magnetic induction intensity of big second loop coil 30 at cooking pot tool 200 and relatively reduced first annular coil 20 are in cooking pot
Have the magnetic induction intensity at 200, that is, increase coil panel 100 outside magnetic induction intensity and the inner side of relatively reduced coil panel 100
Magnetic induction intensity, to reduce the gap in coil panel 100 between the magnetic induction intensity in outside, makes the magnetic in outside in coil panel 100
Induction is more nearly, so that the heating of coil panel 100 and electromagnetic cooking appliance is more uniform.
Further, as shown in figure 3, the upper surface of second loop coil 30 and the upper surface of first annular coil 20
Between there is the first distance L1, the first distance L1 to be greater than or equal to 0.5 millimeter, and less than or equal to 10 millimeters.It can manage
Solution, if the first distance L1 is too small, the influence of its magnetic induction intensity to coil panel 100 is extremely limited, it is impossible to reaches this practicality
New expected technique effect；If the first distance L1 is excessive, magnetic strength of the first annular coil 20 at cooking pot tool 200 can be made
Answer intensity too small, the overall magnetic induction intensity of coil panel 100 can be influenced, but also can make coil panel seat 10, coil panel 100 with
And electromagnetic cooking appliance is blocked up, cause to waste.
In the present embodiment, it is preferable that in order to both can guarantee that first annular coil 20 has enough at cooking pot tool 200
Magnetic induction intensity, and can be more nearly the magnetic induction intensity in outside in coil panel 100, then it is greater than or equal to the first distance L1
1 millimeter, and less than or equal to 5 millimeters.
The upper disk surface of the coil panel seat 10 is formed with first annular wire casing 11 and is located on the first annular outside of wire casing 11
The second annular wire casing 12, the first annular wire casing 11 has the first depth, and the described second annular wire casing 12 has the second depth
Degree, first depth are equal to the second depth, and the plane where the notch of the described second annular wire casing 30 is higher than first annular line
Plane where the notch of groove 20；The first annular coil 20, the second loop coil 30, which correspond to, is wound on first annular wire casing
11st, in the second annular wire casing 12.
It is appreciated that in the present embodiment, the first annular coil 20 be at the slot bottom of first annular wire casing 11 around to
At the notch of first annular wire casing 11, by first annular wire casing 11 around full；Likewise, second loop coil 30 is from
Around at the notch of the second annular wire casing 12 at the slot bottom of second ring wire casing 12, by the second annular wire casing 12 around full.It is so logical
Crossing makes the first depth be equal to the second depth, the winding height H1 of first annular coil 20 is equal to the second loop coil 30
Winding height H2；The plane where notch by making the second annular wire casing 30 is higher than where the notch of first annular wire casing 20
Plane, be to make the second annular wire casing 30 is overall to be higher than first annular wire casing 20, so that the upper surface of the second loop coil 30
Higher than the upper surface of first annular coil 20.
So being set by said structure, the upper surface of the second loop coil 30 can be made higher than first annular coil 20
Upper surface.In addition, by shaping annular wire casing on the upper disk surface of coil panel seat 10, can spacing annular with coiling loop coil
Coil simultaneously is easy to fix loop coil.
Certainly, in the other embodiment of the utility model, annular wire casing can not also be set.
Further, as shown in Figures 1 to 4, each ring in the annular wire casing 12 of the first annular wire casing 11 and second
The slot bottom of shape wire casing is convexly equipped with the spaced coiling muscle 15 of multiple radial directions along coil panel seat 10, with toroid
The spaced winding slot 16 of multiple radial directions along coil panel seat 10 is limited in groove.By in first annular 11 He of wire casing
The slot bottom of second annular wire casing 12 shapes coiling muscle 15 to limit the structure of winding slot 16, it is ensured that is wound on the first ring
The structural stability of 20 and second loop coil 30 of first annular coil in the annular wire casing 12 of shape wire casing 11 and second, avoid around
Group coil deforms.
Further, as depicted in figs. 1 and 2,10 shape in disk form of coil panel seat, the multiple coiling muscle 15 are in
The annular shape that concentric and radius gradually increases with coil panel seat 10.Thus, it is possible to easy to the shaping of coil holder 10, coil panel is improved
The shaping efficiency of seat 10.Secondly, also so that the stress distribution on coil panel seat 10 is uniform.In addition, also facilitate coiling disk
100, improve the production efficiency of coil panel 100.
When electromagnetic cooking appliance works, cooking pot tool 200 is placed on the top of coil panel 100, and the coil panel 100 can produce
Raw one high-frequency alternating magnetic field radiated from the center of coil panel 100 to the outer rim of coil panel 100, with disk on coil panel 100
Face is parallel in the radial direction, and the magnitude of field intensity of the alternating magnetic field is by the magnetic flux principle of continuity (by any in any magnetic field
Zero) magnetic flux of occluding surface, which is always equal to, to be influenced, i.e., the magnetic line of force quantity on the inside of coil panel is equal to the magnetic line of force quantity in outside, institute
It is inversely proportional with the size of magnetic field intensity and the distance of its to coil disk center, distance is bigger, and magnetic field intensity is smaller, i.e. inner side magnetic field
Intensity is big, and outside magnetic field intensity is small.
So in order to further reduce the magnetic induction intensity of the inner side of coil panel 100, the first annular coil 20 and second
Loop coil 30 is arranged at intervals.Specifically, as shown in Figures 1 to 4, the annular wire casing 12 of the first annular wire casing 11 and second
Between be formed with annular space 60 so that first annular coil 20 is arranged at intervals with the second loop coil 30.Thus, line can be reduced
The magnetic induction intensity of the inner side of disk 100 is enclosed, the Distribution of Magnetic Field of the regional on 100 surface of coil panel is more balanced, so that line
The heating for enclosing disk 100 and electromagnetic cooking appliance is more uniform.
Based on the inventive concept identical with the present embodiment, in the another embodiment of the utility model, the coil panel 100
The 3rd loop coil (not shown) being wound on coil panel seat 10 is further included, the described 3rd annular coil loop is located at the second annular
The outside of coil 30, the winding height of second loop coil 30 are equal to the winding height of the 3rd loop coil, and described the
The upper surface of three loop coils is higher than the upper surface of the second loop coil 30.
In the embodiment, the winding height of each loop coil is equal, and the upper surface of each loop coil from inside to outside according to
It is secondary to increase, electromagnetic cooking appliance work when, the distance between the upper surface of each loop coil and cooking pot tool 200 from inside to outside according to
Secondary reduction so that the opposite increase successively from inside to outside of magnetic induction intensity of each loop coil at cooking pot tool 200, so that line
The Distribution of Magnetic Field of the regional of 100 top of circle disk more balances, so that the heating of coil panel 100 and electromagnetic cooking appliance is more
Add uniformly.
It is appreciated that based on identical inventive concept, in the other embodiment of the utility model, the coil panel 100
Further include fourth, fifth, six ... the loop coils that ring successively is located on the outside of the 3rd loop coil, the winding height of each loop coil
It is equal, and the upper surface of each loop coil is increased successively from inside to outside, so as to adapt to different size, different desired coil panels
100 and electromagnetic cooking appliance.
The utility model also provides a kind of electromagnetic cooking appliance, including coil panel as described above.The tool of the coil panel
Body structure is with reference to above-described embodiment, since the utility model electromagnetic cooking appliance employs whole technologies of above-mentioned all embodiments
Scheme, therefore all beneficial effects at least caused by the technical solution with above-described embodiment, this is no longer going to repeat them.
Further, as shown in figure 3, the electromagnetic cooking appliance further includes a panel (not shown), the panel interval
Arranged on the top of second loop coil 30, to place cooking pot tool 200；The upper surface of the first annular coil 20 with
There is second distance between the upper surface of panel, the second distance is greater than or equal to 7 millimeters, and less than or equal to 12 millimeters.
There is the 3rd distance, the 3rd distance between the upper surface of second loop coil 30 and the upper surface of panel
It is poor apart from it equal to second distance and first.
It is appreciated that when electromagnetic cooking appliance works, cooking pot tool 200 is placed on panel, the upper surface of the panel
It is bonded with the bottom surface of cooking pot tool 200, so, as shown in figure 3, the second distance is equal to the upper of the first annular coil 20
The distance between surface and 200 bottom surface of cooking pot tool L2, the 3rd distance are equal to the upper surface of the second loop coil 30 with cooking
Prepare food the distance between 200 bottom surface of cookware.
It is appreciated that if second distance is too small, can make the second loop coil 30 upper surface and panel lower surface it
Between distance it is too small, so as to be unfavorable for the heat dissipation of coil panel 100.If second distance is excessive, first annular 20 He of coil can be made
Second loop coil 30 and the distance between cooking pot tool 200 are excessive, so that magnetic of the coil panel 100 at cooking pot tool 200
Induction is too small, causes the work efficiency of coil panel 100 and electromagnetic cooking appliance too low；Moreover, it can also make electromagnetism cooking pot
Have blocked up；In addition, it can also make the distance between the upper surface of the second loop coil 30 and the lower surface of panel excessive, so that line
It is too fast to enclose the heat dissipation of the top of disk 100, is unfavorable for the lifting of coil panel 100 and electromagnetic cooking appliance efficiency.
Further, the electromagnetic cooking appliance is electromagnetic oven, electric cooker or electric pressure cooking saucepan etc..
Electromagnetic cooking appliance provided in this embodiment, R1=39 millimeters of the radius of first annular coil 20, the second toroid
R2=75 millimeters of the radius of circle, the first L1=2 millimeters of distance, second distance are equal to upper surface and the culinary art of first annular coil 20
L2=9 millimeters of the distance between 200 bottom surface of cookware, the 3rd distance are equal to L2-L1=7 millimeters.If：First annular coil 20 corresponds to
Radial direction average magnetic induction intensity be B1, its corresponding longitudinal average magnetic induction intensity is B3；Second loop coil 30 is corresponding
Radial direction average magnetic induction intensity is B2, its corresponding longitudinal average magnetic induction intensity is B4；Then B1/B2=R2/R1=1.92；
B4/B3=D2/(D-H3)2=1.65.
According to data provided in this embodiment, in the present embodiment, by the winding height for making first annular coil 20
Equal to the winding height of the second loop coil 30, and the upper surface by adjusting the second loop coil 30 and first annular coil 20
Upper surface between the first distance L1,30 corresponding longitudinal direction average magnetic induction intensity B4 of the second loop coil can be made relative to
The increase amplitude of the corresponding longitudinal average magnetic induction intensity B3 of one loop coil 20 is close to even equal to first annular coil 20
Corresponding radial direction average magnetic induction intensity B1 relative to 30 corresponding radial direction average magnetic induction intensity B2 of the second loop coil increasing
Significantly, it is the magnetic induction intensity that can effectively increase the outside of coil panel 100, makes the magnetic induction in outside in coil panel 100 strong
Degree is more nearly, so that the heating of coil panel 100 and electromagnetic cooking appliance is more uniform.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
Change, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of coil panel, for electromagnetic cooking appliance, it is characterised in that the coil panel includes coil panel seat and is wound on institute
First annular coil, the second loop coil on coil panel seat are stated, the second toroid ring is located at the first annular line
The outside of circle, the winding height of the first annular coil are equal to the winding height of second loop coil, and described second
The upper surface of loop coil is higher than the upper surface of the first annular coil.
2. coil panel as claimed in claim 1, it is characterised in that the coil panel, which further includes, to be wound on the coil panel seat
The 3rd loop coil, the 3rd annular coil loop is located at the outside of second loop coil, second loop coil
Winding height be equal to the winding height of the 3rd loop coil, and the upper surface of the 3rd loop coil is higher than described the
The upper surface of second ring coil.
3. coil panel as claimed in claim 1, it is characterised in that the upper surface of second loop coil and first ring
There is the first distance, first distance is greater than or equal to 1 millimeter between the upper surface of shape coil.
4. coil panel as claimed in claim 3, it is characterised in that first distance is less than or equal to 5 millimeters.
5. coil panel as claimed in claim 1, it is characterised in that the upper disk surface of the coil panel seat is formed with first annular line
Groove and the second annular wire casing being located on the outside of the first annular wire casing, the first annular wire casing have the first depth, institute
Stating the second annular wire casing has the second depth, and first depth is equal to second depth, the groove of the described second annular wire casing
Plane where mouthful is higher than the plane where the notch of the first annular wire casing；The first annular coil, the second toroid
Circle is corresponding to be wound on the first annular wire casing, in the second annular wire casing.
6. coil panel as claimed in claim 5, it is characterised in that every in the first annular wire casing and the second annular wire casing
The slot bottom of one annular wire casing is convexly equipped with multiple spaced coiling muscles of the radial direction along the coil panel seat, with ring
Multiple spaced winding slots of radial direction along the coil panel seat are limited in shape wire casing.
7. the coil panel as described in claim 1 to 6 any one, it is characterised in that the first annular coil and described the
Second ring coil spacing is set.
8. a kind of electromagnetic cooking appliance, it is characterised in that including the coil panel as described in claim 1 to 7 any one.
9. electromagnetic cooking appliance as claimed in claim 8, it is characterised in that the electromagnetic cooking appliance further includes a panel,
The panel interval is arranged on the top of second loop coil, to place cooking pot tool；The first annular coil it is upper
There is second distance, the second distance is greater than or equal to 7 millimeters between surface and the upper surface of the panel.
10. electromagnetic cooking appliance as claimed in claim 9, it is characterised in that the second distance is less than or equal to 12 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721490702.8U CN207354662U (en) | 2017-11-09 | 2017-11-09 | Coil panel and electromagnetic cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721490702.8U CN207354662U (en) | 2017-11-09 | 2017-11-09 | Coil panel and electromagnetic cooking appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207354662U true CN207354662U (en) | 2018-05-11 |
Family
ID=62354542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721490702.8U Active CN207354662U (en) | 2017-11-09 | 2017-11-09 | Coil panel and electromagnetic cooking appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207354662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970777A (en) * | 2019-05-19 | 2020-11-20 | 宁波方太厨具有限公司 | Wire coil for electromagnetic range |
-
2017
- 2017-11-09 CN CN201721490702.8U patent/CN207354662U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970777A (en) * | 2019-05-19 | 2020-11-20 | 宁波方太厨具有限公司 | Wire coil for electromagnetic range |
| CN111970777B (en) * | 2019-05-19 | 2022-02-08 | 宁波方太厨具有限公司 | Wire coil for electromagnetic range |
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