CN106686790B - Magnetic stripe, coil panel and electromagnetic cooking utensil - Google Patents
Magnetic stripe, coil panel and electromagnetic cooking utensil Download PDFInfo
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- CN106686790B CN106686790B CN201510761030.9A CN201510761030A CN106686790B CN 106686790 B CN106686790 B CN 106686790B CN 201510761030 A CN201510761030 A CN 201510761030A CN 106686790 B CN106686790 B CN 106686790B
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- 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
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Abstract
The invention provides a magnetic conduction strip, a coil panel and an electromagnetic cooking utensil, wherein the magnetic conduction strip comprises: a main magnetic stripe and a plurality of sub-magnetic stripes; one end of the main magnetic stripe extends to the center of the coil panel frame; the connecting ends of the plurality of magnetic separation strips are respectively connected with the other end of the main magnetic strip, and the free end of each magnetic separation strip extends towards the edge of the coil panel frame. According to the magnetic conduction strip provided by the invention, the main magnetic strips are positioned in the middle of the coil panel, the plurality of sub-magnetic strips are positioned on the outer ring of the coil panel, namely, one end positioned in the middle of the coil panel is provided with one magnetic conduction circuit, and one end positioned on the outer ring of the coil panel is provided with a plurality of magnetic conduction circuits, so that the distribution of magnetic induction lines of the outer ring of the coil panel is changed, the magnetic induction lines of the middle of the coil panel are basically the same as the magnetic induction lines of the outer ring, namely, the magnetic field intensity of the middle of the coil panel is basically the same as the magnetic field intensity of the outer ring, and when the cooker is positioned in the magnetic field, the temperature of each part of the bottom plate of the cooker is basically the same, the cooking effect is ensured, and the use comfort of a product is improved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an electromagnetic strip, a coil panel with the electromagnetic strip and an electromagnetic cooking appliance with the coil panel.
Background
Currently, in the related art, a magnetic field of an electromagnetic cooking appliance (such as an induction cooker) is generated by electromagnetic coils of a coil disc which are concentrically distributed, and the magnetic field intensity at the center of the coil disc is far greater than the magnetic field intensity at the edge of the coil disc, which results in that the temperature of a pot area corresponding to the center of the coil disc is higher than that of a pot area corresponding to the periphery of the coil disc, so that the temperature distribution of the pot is uneven, thereby affecting the cooking effect.
Therefore, how to design an electromagnetic cooking utensil stove plate capable of improving the uniformity of magnetic induction line distribution is a technical problem to be solved at present.
Disclosure of Invention
In order to solve at least one of the above problems, an object of the present invention is to provide a magnetic conductive strip for uniformly distributing magnetic induction wires of a coil panel.
Another object of the present invention is to provide a coil panel having the above magnetic conductive strip.
It is still another object of the present invention to provide an electromagnetic cooking appliance having the above coil panel.
An embodiment of the first aspect of the present invention provides a magnetic strip, including: one end of the main magnetic strip extends to the center of the coil panel frame; and the connecting ends of the magnetic separation strips are respectively connected with the other end of the main magnetic strip, and the free end of each magnetic separation strip extends towards the edge of the coil panel frame.
According to the magnetic conduction strip provided by the embodiment of the first aspect of the invention, the main magnetic strip is positioned in the middle of the coil panel frame, the plurality of magnetic division strips are positioned on the outer ring of the coil panel frame, namely one end positioned in the middle of the coil panel frame is provided with a magnetic conduction path, and one end positioned on the outer ring of the coil panel frame is provided with a plurality of magnetic conduction paths, so that the distribution of magnetic induction lines of the outer ring of the coil panel frame is changed, the magnetic induction lines of the middle of the coil panel frame are basically the same as the magnetic induction lines of the outer ring, namely the magnetic field intensity of the middle of the coil panel frame is basically the same as the magnetic field intensity of the outer ring, when the cooker is positioned in the magnetic field, the cooker bottom plate is heated uniformly, the reached temperature is basically the same, the cooking effect is ensured, and the use comfort of the product is improved.
Specifically, the magnetic field intensity of the middle part and the outer ring of the electromagnetic cooking utensil in the prior art is different, so that the temperature of the near center of the cooker is higher, the heating is uneven, and the cooking effect is influenced.
In addition, the magnetic guiding strip in the above embodiment provided by the invention may further have the following additional technical features:
in the above technical scheme, the extension line of the main magnetic stripe is taken as an axis, and a plurality of the sub-magnetic stripes are symmetrically distributed on two sides of the axis, or a plurality of the sub-magnetic stripes are all arranged on the same side of the axis.
In the technical scheme, the symmetrically arranged split magnetic strips enable the split magnetic strips distributed on two sides of the main magnetic strip to be identical, so that the split magnetic strips are easy to process, and the uniform distribution of magnetic induction lines is ensured, so that the temperature of the pan bottom plate is basically identical, the cooking effect is ensured, the use comfort of the product is improved, and the market competitiveness of the product is improved; or, use the extension line of main magnetic stripe is the axis, and a plurality of divide the magnetic stripe all to set up the same side of axis, on the one hand easily processes, on the other hand has guaranteed that magnetism is felt line evenly distributed to the temperature of pan bottom plate everywhere is basically the same, has guaranteed the culinary art effect, has improved the use comfort of product, has increased the market competition of product.
In the above technical scheme, with the extension line of main magnetic stripe as the axis, one of them divide the magnetic stripe to set up on the axis, other divide the magnetic stripe to set up respectively in the both sides of axis or all set up in the same side of axis.
In any of the above embodiments, an included angle between adjacent split magnetic strips is 10 ° to 140 °.
In the technical scheme, when the plurality of magnetic guide strips are arranged on the coil panel frame, the included angle between the magnetic guide strips is not smaller than 10 degrees and not larger than 140 degrees, so that the magnetic field intensity in the middle of the coil panel frame is ensured to be basically the same as the magnetic field intensity of the outer ring.
In any of the above embodiments, an included angle between adjacent split magnetic strips is 30 ° to 90 °.
In the technical scheme, when a plurality of magnetic conducting strips are arranged on the coil panel frame, the included angle between the magnetic conducting strips is 30-90 degrees, so that more magnetic conducting strips are distributed on the coil panel frame in a compact layout, the overall magnetic induction of the coil panel is improved, and the magnetic field intensity in the middle of the coil panel frame is guaranteed to be basically the same as that of the outer ring.
In any one of the above technical solutions, two magnetic separation strips are provided at the other end of the main magnetic strip, and the magnetic conduction strip is integrally Y-shaped.
In the technical scheme, under the condition of meeting the use requirement, the Y-shaped magnetic conduction strip is simple in structure and easy to produce and manufacture, so that the production efficiency of a product is improved, and the production cost of the product is reduced.
In any one of the above technical solutions, the other end of the main magnetic stripe is provided with three sub-magnetic stripes, and the included angles between the adjacent sub-magnetic stripes are equal, and the included angles are 20-60 degrees.
In the technical scheme, under the condition of meeting the use requirement, the magnetic induction lines flow to the magnetic division strips from the connection part of the main magnetic strips and the magnetic division strips, three closed magnetic induction lines which are uniformly distributed can be formed, the magnetic induction lines at the center of the coil panel frame are ensured to be basically the same as the magnetic induction lines at the outer ring, namely, the magnetic field intensity at the middle part of the coil panel frame is ensured to be basically the same as the magnetic field intensity at the outer ring, when the cooker is positioned in the magnetic field, the temperature at the position of the bottom plate of the cooker is basically the same, the cooking effect is ensured, thereby improving the use comfort of the product and increasing the market competitiveness of the product.
In any one of the above technical solutions, the length of the main magnetic stripe is H1; the length of the magnetic separation strip is H2; wherein, H1/H2=0.2-5.0.
In the technical scheme, when the plurality of magnetic guide strips are arranged on the coil panel frame, the ratio of the length of the main magnetic strip to the length of the sub-magnetic strips is not less than 0.2, so that uneven distribution of magnetic field intensity caused by that the magnetic induction line intensity in the middle of the coil panel frame is greater than that in the outside is avoided, and a cooking effect is formed; the ratio of the length of the main magnetic stripe to the length of the sub-magnetic stripe is not more than 5, the situation that the magnetic induction line intensity in the middle of the coil panel frame is smaller than that of the outside is avoided, the magnetic field intensity distribution is uneven, the cooking effect is formed, namely, the ratio of the length of the main magnetic stripe to the length of the sub-magnetic stripe is 0.2-5.0, the ratio H1/H2 of the length of the main magnetic stripe to the length of the sub-magnetic stripe can be adjusted according to parameters such as the size of the coil panel frame and the width ratio of the main magnetic stripe to the sub-magnetic stripe, so that the magnetic field intensity in the middle of the coil panel frame is basically the same as the magnetic field intensity of the outer ring.
In any one of the above embodiments, the width of the main magnetic stripe is D1; the width of the magnetic separation strip is D2; wherein d1/d2=0.5 to 10.
In the technical scheme, when the plurality of magnetic guide strips are arranged on the coil panel frame, the ratio of the width of the main magnetic strip to the width of the sub-magnetic strips is not less than 0.5, so that uneven distribution of magnetic field intensity caused by that the magnetic induction line intensity in the middle of the coil panel frame is greater than that in the outside is avoided, and a cooking effect is formed; the ratio of the width of the main magnetic stripe to the width of the sub-magnetic stripe is not more than 10, the situation that the magnetic induction line intensity in the middle of the coil panel frame is smaller than that of the outside is avoided, the magnetic field intensity distribution is uneven, the cooking effect is formed, namely, the ratio of the width of the main magnetic stripe to the width of the sub-magnetic stripe is 0.5-10, the ratio D1/D2 of the width of the main magnetic stripe to the width of the sub-magnetic stripe can be adjusted according to parameters such as the size of the coil panel frame, the length ratio of the main magnetic stripe to the sub-magnetic stripe, and the like, so that the magnetic field intensity in the middle of the coil panel frame is basically the same as the magnetic field intensity of the outer ring.
In any one of the above technical solutions, a hub magnetic stripe extending upwards is formed on one end of the main magnetic stripe extending to the center of the coil bobbin; and/or the free ends of the magnetic separation strips are provided with edge magnetic strips which extend upwards.
In the technical scheme, the arrangement of the magnetic strips at the center and the edges of the coil panel is beneficial to enabling the magnetic induction line to form a closed loop, improving the overall magnetic induction quantity of the coil panel and improving the heating power.
In any of the above technical solutions, the plurality of split magnetic strips and the main magnetic strip are in an integrated structure.
In this technical scheme, a plurality of minute magnetic stripes and main magnetic stripe structure as an organic whole have guaranteed minute magnetic stripe and main magnetic stripe continuity to avoided magnetism to inhale the line and take place at the circumstances of minute magnetic stripe and main magnetic stripe junction loss, thereby practice thrift the consumption of product, in addition, divide magnetic stripe and main magnetic stripe structure as an organic whole, guaranteed the joint strength between minute magnetic stripe and the main magnetic stripe on the one hand, thereby reduced minute magnetic stripe and main magnetic stripe and take place cracked probability, and then increased the reliability of use of product, on the other hand, divide magnetic stripe and main magnetic stripe can make as an organic whole, thereby improved product production efficiency, and then reduced the manufacturing cost of product.
An embodiment of the second aspect of the present invention provides a coil disk including: a coil former; and a plurality of magnetic strips according to any one of the above, the plurality of magnetic strips being radially disposed above the coil bobbin.
According to the coil panel provided by the embodiment of the second aspect of the invention, the magnetic induction strips are arranged, so that the magnetic induction lines in the middle of the coil panel frame are basically the same as the magnetic induction lines of the outer ring, namely, the magnetic field intensity in the middle of the coil panel frame is basically the same as the magnetic field intensity of the outer ring, and when the cooker is positioned in the magnetic field, the temperature of each part of the bottom plate of the cooker is basically the same, thereby improving the heating uniformity of the coil panel, ensuring the cooking effect and further improving the use comfort of the product.
An embodiment of a third aspect of the present invention provides an electromagnetic cooking appliance comprising a coil disc as described in any one of the above.
According to the electromagnetic cooking utensil provided by the embodiment of the third aspect of the invention, the coil disc is arranged, so that the magnetic induction line in the middle of the electromagnetic cooking utensil is basically the same as the magnetic induction line of the outer ring, namely the magnetic field intensity in the middle of the electromagnetic cooking utensil is basically the same as the magnetic field intensity of the outer ring, when the cooker is positioned in the magnetic field, the temperature of each part of the bottom plate of the cooker is basically the same, the heating uniformity of the coil disc to the cooker is improved, the cooking effect is ensured, and the using comfort of a product is improved
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a first embodiment of a magnetic strip according to the present invention;
FIG. 2 is a schematic top view of the magnetic strip of FIG. 1;
FIG. 3 is a schematic diagram of a second embodiment of a magnetic strip according to the present invention;
fig. 4 is a schematic structural view of a third embodiment of the magnetic strip according to the present invention;
fig. 5 is a schematic structural view of a fourth embodiment of the magnetic strip according to the present invention;
fig. 6 is a schematic structural view of a first embodiment of the coil panel according to the present invention;
fig. 7 is a schematic view of a second embodiment of a coil panel according to the present invention;
fig. 8 is a schematic structural view of a third embodiment of a coil panel according to the present invention.
The correspondence between the reference numerals and the component names in fig. 1 to 8 is:
10 magnetic guide strips, 11 main magnetic strips, 12 split magnetic strips, 13 core magnetic strips, 14 edge magnetic strips, 20 coil panel frames and 100 coil panels.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The following describes magnetic guide strips according to some embodiments of the present invention with reference to fig. 1-5.
As shown in fig. 1 to 5, an embodiment of a first aspect of the present invention provides a magnetic guide strip 10 including: a main magnetic stripe 11 and a plurality of split magnetic stripes 12.
Specifically, one end of the main magnetic stripe 11 extends to the center of the coil bobbin 20; the connection ends of the plurality of sub-magnetic stripes 12 are respectively connected with the other end of the main magnetic stripe 11, and the free end of each sub-magnetic stripe 12 extends toward the edge of the coil bobbin 20.
According to the magnetic conduction strip 10 provided by the invention, the main magnetic stripe 11 is positioned in the middle of the coil rack 20, the plurality of magnetic separation strips 12 are positioned on the outer ring of the coil rack 20, namely one end positioned in the middle of the coil rack 20 is provided with a magnetic conduction path, and one end positioned on the outer ring of the coil rack 20 is provided with a plurality of magnetic conduction paths, so that the distribution of magnetic induction wires of the outer ring of the coil rack 20 is changed, the magnetic induction wires in the middle of the coil rack 20 are basically the same as the magnetic induction wires of the outer ring, namely the magnetic field intensity in the middle of the coil rack 20 is basically the same as the magnetic field intensity of the outer ring, and when a pot is positioned in the magnetic field, the temperature of each part of a pot bottom plate is basically the same, the heating uniformity is improved, the cooking effect is ensured, and the use comfort of a product is improved.
In one embodiment of the present invention, as shown in fig. 1 to 3, with the extension line of the main magnetic stripe 11 as the axis, a plurality of sub-magnetic stripes 12 are symmetrically distributed on both sides of the axis.
In this embodiment, the symmetrically arranged split magnetic strips 12 make the split magnetic strips 12 distributed on two sides of the main magnetic strip 11 identical, on one hand, easy to process and on the other hand, ensure that the magnetic induction lines are uniformly distributed, so that the temperature of the pan bottom plate is basically the same throughout, the cooking effect is ensured, the use comfort of the product is improved, and the market competitiveness of the product is increased, wherein the dotted line in fig. 2 represents the axis.
In one embodiment of the present invention, the extension line of the main magnetic stripe 11 is taken as an axis, and the plurality of sub-magnetic stripes 12 are all arranged on the same side of the axis.
In another embodiment of the present invention, the extension line of the main magnetic stripe 11 is taken as an axis, one of the sub-magnetic stripes is arranged on the axis, and the other sub-magnetic stripes are respectively arranged at two sides of the axis or all are arranged at the same side of the axis. As shown in fig. 4, the magnetic strip includes a main magnetic strip 11, one of the sub-magnetic strips 12 is disposed on the axis of the extension line of the main magnetic strip 11, and the other magnetic strips are symmetrically disposed on two sides of the axis.
In a further embodiment of the invention, as shown in fig. 5, the magnetic strip comprises a main magnetic strip 11, wherein one sub-magnetic strip 12 is arranged on the axis of the extension line of the main magnetic strip 11, and the other sub-magnetic strips (one magnetic strip is shown in the embodiment) are all arranged on the same side of the axis.
In one embodiment of the present invention, as shown in fig. 1 and 2, two split magnetic strips 12 are disposed at the other end of the main magnetic strip 11, and the magnetic strip 10 is Y-shaped as a whole.
In this embodiment, under the condition that the use requirement is met, the magnetic conduction strip 10 in the shape of Y is simple in structure and easy to produce and manufacture, so that the production efficiency of the product is improved, and further the production cost of the product is reduced, in addition, the magnetic induction lines are divided into two parts from the connection part of the main magnetic stripe 11 and the magnetic division stripe 12 to the magnetic division stripe 12, two closed magnetic induction lines which are uniformly distributed can be formed, the magnetic induction lines of the center of the coil panel frame 20 and the outer ring are basically the same, namely, the magnetic field intensity in the middle part of the coil panel frame 20 is basically the same as the magnetic field intensity of the outer ring, when the cooker is in the magnetic field, the temperature of the whole part of the bottom plate of the cooker is basically the same, the cooking effect is ensured, thereby the heating uniformity is improved, the use comfort of the product is improved, and the market competitiveness of the product is increased.
In one embodiment of the present invention, as shown in FIG. 2, the angle α between adjacent split strips 12 is 10 to 140.
In this embodiment, when the plurality of magnetic strips 10 are disposed on the coil bobbin 20, the included angle α between the magnetic strips 12 is not smaller than 10 ° and not larger than 140 °, so that the magnetic field strength in the middle of the coil bobbin 20 is ensured to be substantially the same as the magnetic field strength of the outer ring.
Preferably, the included angle alpha between adjacent split magnetic strips 12 is 30 deg. to 90 deg..
In this embodiment, when the plurality of magnetic conductive strips 10 are disposed on the coil former 20, the included angle α between the magnetic separation strips 12 is set between 30 ° and 90 °, so that more magnetic conductive strips are distributed on the coil former 20 in a compact layout, the overall magnetic induction of the coil 100 is improved, and it is beneficial to ensure that the magnetic field strength in the middle of the coil former 20 is substantially the same as the magnetic field strength of the outer ring.
In another embodiment of the present invention, as shown in fig. 4, the other end of the main magnetic stripe 11 is provided with three sub-magnetic stripes 12, and the included angle γ between the adjacent sub-magnetic stripes 12 is equal, and the included angle γ is 20 ° to 60 °.
In this embodiment, under the condition that the use requirement is met, the magnetic induction lines are divided into three parts from the connection part of the main magnetic stripe 11 and the magnetic division stripe 12 to the magnetic division stripe 12, so that three closed magnetic induction lines which are uniformly distributed can be formed, the center of the coil panel frame 20 is ensured to be basically the same as the magnetic induction lines of the outer ring, namely, the magnetic field intensity in the middle part of the coil panel frame 20 is ensured to be basically the same as the magnetic field intensity of the outer ring, when the cooker is positioned in the magnetic field, the temperature of the cooker bottom plate is basically the same, the cooking effect is ensured, thereby improving the use comfort of the product and increasing the market competitiveness of the product, in addition, when a plurality of magnetic conduction stripes 10 are arranged on the coil panel frame 20, the included angle between the magnetic division stripes 12 is between 20 DEG and 60 DEG, the layout compactness of the magnetic conduction stripes 10 on the coil panel frame 20 can be improved, and the magnetic field intensity in the middle part of the coil panel frame 20 is also beneficial to be ensured to be basically the same as the magnetic field intensity of the outer ring.
In one embodiment of the present invention, as shown in FIG. 2, the length of the main magnetic stripe 11 is H1; the length of the split magnetic stripe 12 is H2; wherein, H1/H2=0.2-5.0.
In this embodiment, when the plurality of magnetic conductive strips 10 are disposed on the coil bobbin 20, the ratio of the length of the main magnetic strip 11 to the length of the sub-magnetic strips 12 is not less than 0.2, so as to avoid uneven distribution of magnetic field intensity due to the fact that the magnetic induction line intensity in the middle of the coil bobbin 20 is greater than the magnetic induction line intensity in the outside, and form a cooking effect; the ratio of the length of the main magnetic stripe 11 to the length of the sub-magnetic stripe 12 is not more than 5, so that the situation that the magnetic induction line intensity in the middle of the coil bobbin 20 is smaller than that of the outside is avoided, the magnetic field intensity distribution is uneven, the cooking effect is formed, namely, the ratio of the length of the main magnetic stripe 11 to the length of the sub-magnetic stripe 12 is 0.2-5.0, the ratio H1/H2 of the length of the main magnetic stripe 11 to the length of the sub-magnetic stripe 12 can be adjusted according to the parameters such as the size of the coil bobbin 20 and the width ratio of the main magnetic stripe 11 to the sub-magnetic stripe 12, and the like, so that the magnetic field intensity in the middle of the coil bobbin 20 is ensured to be basically the same as the magnetic field intensity of the outer ring.
In one embodiment of the present invention, as shown in FIG. 2, the width of the main magnetic stripe 11 is D1; the width of the split magnetic stripe 12 is D2; wherein d1/d2=0.5 to 10.
In this embodiment, when the plurality of magnetic conductive strips 10 are disposed on the coil bobbin 20, the ratio of the width of the main magnetic strip 11 to the width of the sub-magnetic strips 12 is not less than 0.5, so as to avoid uneven distribution of magnetic field intensity due to the fact that the magnetic induction line intensity in the middle of the coil bobbin 20 is greater than the magnetic induction line intensity in the outside, and form a cooking effect; the ratio of the width of the main magnetic stripe 11 to the width of the sub-magnetic stripe 12 is not more than 10, so that the situation that the magnetic induction line intensity in the middle of the coil panel frame 20 is smaller than that of the outside is avoided, the magnetic field intensity distribution is uneven, the cooking effect is formed, namely, the ratio of the width of the main magnetic stripe 11 to the width of the sub-magnetic stripe 12 is 0.5-10, the ratio D1/D2 of the width of the main magnetic stripe 11 to the width of the sub-magnetic stripe 12 can be adjusted according to the parameters such as the size of the coil panel frame 20 and the length ratio of the main magnetic stripe 11 to the sub-magnetic stripe 12, and the like, so that the magnetic field intensity in the middle of the coil panel frame 20 is ensured to be basically the same as the magnetic field intensity of the outer ring.
In one embodiment of the present invention, as shown in fig. 3 and 4, an end of the main magnetic stripe 11 extending to the center of the coil bobbin 20 is formed with an upwardly extending hub magnetic stripe 13; and/or the free end of the split stripe 12 is formed with an upwardly extending beaded stripe 14.
In this embodiment, the provision of the hub magnetic stripe 13 and the rim magnetic stripe 14 facilitates the formation of a closed loop of magnetic induction lines, increases the overall magnetic induction of the coil disk 100, and increases the heating power.
In one embodiment of the present invention, the plurality of split magnetic strips 12 are of unitary construction with the main magnetic strip 11.
In this embodiment, a plurality of minute magnetic stripes 12 and main magnetic stripe 11 are integrated into one piece structure, have guaranteed minute magnetic stripe 12 and main magnetic stripe 11 continuity, and avoided the condition that the line is felt to magnetism to lose at minute magnetic stripe 12 and main magnetic stripe 11 junction to practice thrift the consumption of product, in addition, minute magnetic stripe 12 and main magnetic stripe 11 are integrated into one piece structure, on the one hand guaranteed the joint strength between minute magnetic stripe 12 and the main magnetic stripe 11, thereby reduced minute magnetic stripe 12 and main magnetic stripe 11 and take place cracked probability, and then increased the reliability in use of product, on the other hand, minute magnetic stripe 12 and main magnetic stripe 11 can be integrally made, thereby improved product production efficiency, and then reduced the manufacturing cost of product.
As shown in fig. 6 to 8, a coil panel 100 according to an embodiment of a second aspect of the present invention includes: a coil bobbin 20; and a plurality of the magnetic strips 10 according to any of the above embodiments, the plurality of magnetic strips 10 being radially disposed above the coil bobbin 20.
The coil panel 100 according to the second embodiment of the present invention, by providing the magnetic strip 10, makes the magnetic induction line in the middle of the coil panel frame 20 and the magnetic induction line of the outer ring substantially the same, that is, the magnetic field strength in the middle of the coil panel frame 20 and the magnetic field strength of the outer ring are substantially the same, and when the pan is in the magnetic field, the temperature of each place of the pan bottom plate is substantially the same, so that the heating uniformity of the coil panel is improved, the cooking effect is ensured, and the use comfort of the product is improved.
An embodiment of a third aspect of the present invention provides an electromagnetic cooking device, including any one of the embodiments above, and the coil panel.
According to the electromagnetic cooking utensil provided by the embodiment of the third aspect of the invention, through the arrangement of the coil disc, the magnetic induction line in the middle of the electromagnetic cooking utensil is basically the same as the magnetic induction line of the outer ring, namely the magnetic field intensity in the middle of the electromagnetic cooking utensil is basically the same as the magnetic field intensity of the outer ring, when the cooker is in the magnetic field, the temperature of each part of the bottom plate of the cooker is basically the same, the heating uniformity of the coil disc on the cooker is improved, the cooking effect is ensured, and therefore the use comfort of a product is improved. Wherein, the electromagnetic cooking utensil can be an electromagnetic oven, an electromagnetic rice cooker, an electromagnetic pressure cooker and the like.
In summary, the magnetic conductive strip provided by the invention has the main magnetic strip positioned in the middle of the coil panel frame, the plurality of magnetic strips are positioned on the outer ring of the coil panel frame, namely one end positioned in the middle of the coil panel frame is provided with a magnetic conductive path, and one end positioned on the outer ring of the coil panel frame is provided with a plurality of magnetic conductive paths, so that the distribution of the magnetic induction lines of the outer ring of the coil panel frame is changed, the magnetic induction lines of the middle of the coil panel frame are basically the same as the magnetic induction lines of the outer ring, namely the magnetic field intensity of the middle of the coil panel frame is basically the same as the magnetic field intensity of the outer ring, and when the cooker is positioned in the magnetic field, the temperature of each part of the bottom plate of the cooker is basically the same, thereby ensuring the cooking effect and improving the use comfort of the product.
Specifically, the magnetic field intensity of the middle part and the outer ring of the electromagnetic cooking utensil in the prior art are different, so that the temperature of the near center of the cooker is higher, the heating is uneven, and the cooking effect is influenced.
In the present invention, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A coil panel, comprising:
a coil former; and
the magnetic conducting strips are radially arranged on the coil panel frame;
the magnetic strip includes:
one end of the main magnetic strip extends to the center of the coil panel frame; and
the connecting ends of the magnetic separation strips are respectively connected with the other end of the main magnetic strip, the free end of each magnetic separation strip extends towards the edge of the coil panel frame, the main magnetic strip is positioned in the middle of the coil panel frame, and the magnetic separation strips are positioned on the outer ring of the coil panel frame;
one end of the main magnetic stripe extending to the center of the coil panel frame is provided with a panel core magnetic stripe extending upwards; the free end of the magnetic dividing strip is provided with an edge magnetic strip extending upwards;
the plurality of sub-magnetic strips and the main magnetic strip are of an integrated structure.
2. The coil disk of claim 1, wherein the coil disk comprises a plurality of coils,
and the extension line of the main magnetic strip is taken as an axis, a plurality of the sub-magnetic strips are symmetrically distributed on two sides of the axis, or a plurality of the sub-magnetic strips are arranged on the same side of the axis.
3. The coil disk of claim 1, wherein the coil disk comprises a plurality of coils,
and taking an extension line of the main magnetic stripe as an axis, wherein one of the sub-magnetic stripes is arranged on the axis, and the other sub-magnetic stripes are respectively arranged on two sides of the axis or all the sub-magnetic stripes are arranged on the same side of the axis.
4. The coil disk of claim 1, wherein the coil disk comprises a plurality of coils,
the included angle between the adjacent magnetic separation strips is 10-140 degrees.
5. The coil disk of claim 4, wherein the coil disk is,
the included angle between the adjacent magnetic separation strips is 30-90 degrees.
6. The coil disk of claim 1, wherein the coil disk comprises a plurality of coils,
the other end of the main magnetic stripe is provided with two magnetic separation stripes, and the magnetic conduction stripes are integrally Y-shaped.
7. The coil disk of claim 1, wherein the coil disk comprises a plurality of coils,
the other end of the main magnetic stripe is provided with three sub-magnetic stripes, the included angles between the adjacent sub-magnetic stripes are equal, and the included angles are 20-60 degrees.
8. The coil panel according to any one of claims 1 to 7, wherein,
the length of the main magnetic stripe is H1; the length of the magnetic separation strip is H2;
wherein, H1/H2=0.2-5.0.
9. The coil panel according to any one of claims 1 to 7, wherein,
the width of the main magnetic stripe is D1; the width of the magnetic separation strip is D2;
wherein d1/d2=0.5 to 10.
10. An electromagnetic cooking appliance comprising a coil disk according to any one of claims 1 to 9.
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| CN201510761030.9A CN106686790B (en) | 2015-11-09 | 2015-11-09 | Magnetic stripe, coil panel and electromagnetic cooking utensil |
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| CN201510761030.9A CN106686790B (en) | 2015-11-09 | 2015-11-09 | Magnetic stripe, coil panel and electromagnetic cooking utensil |
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| CN106686790A CN106686790A (en) | 2017-05-17 |
| CN106686790B true CN106686790B (en) | 2023-04-25 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205092989U (en) * | 2015-11-09 | 2016-03-16 | 佛山市顺德区美的电热电器制造有限公司 | Magnetic conduction strip, coil panel and electromagnetism cooking utensil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387100C (en) * | 2006-03-21 | 2008-05-07 | 九阳股份有限公司 | Method for reducing electromagnetic interference of electromagnetic oven and anti-leakage electromagnetic over coiler |
| CN201436826U (en) * | 2009-04-02 | 2010-04-07 | 珠海格力电器股份有限公司 | Radiation-proof magnetic strip coil panel and electromagnetic induction heating device |
| CN203457356U (en) * | 2013-09-11 | 2014-02-26 | 阮保清 | Coil panel frame of induction cooker |
| CN204291435U (en) * | 2014-12-12 | 2015-04-22 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and there is the electric cooking appliance of this electromagnetic heater |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205092989U (en) * | 2015-11-09 | 2016-03-16 | 佛山市顺德区美的电热电器制造有限公司 | Magnetic conduction strip, coil panel and electromagnetism cooking utensil |
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