CN207369340U - Coil panel and electromagnetic cooking appliance - Google Patents

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 upper surface of second loop coil is higher than the upper surface of first annular coil, and projected area of second loop coil in the lower card of coil panel seat is more than projected area of the first annular coil in the lower card of coil panel seat.The utility model coil panel, set by said structure, improve the magnetic induction intensity on the outside of coil panel, so as to improve on the inside of existing coil panel the deficiency that magnetic field is strong and outside magnetic field is weak, make the Magnetic Induction Density Distribution in outside in coil panel more uniform, so as to greatly promote the heating uniformity of coil panel and electromagnetic cooking appliance, to improve culinary art effect.

Description

Coil panel and electromagnetic cooking appliance

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 in electromagnetic heater, and coil panel includes coil panel seat and is wound on coil The winding coil of disk seat upper disk surface, under coil panel seat card magnetic stripe, high frequency alternating electromagnetic field caused by coil panel 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 The inherent characteristic of Distribution of Magnetic Field, causes the heating of coil disk center to be concentrated, and periphery heating is weak, and heating uniformity is poor, influences culinary art effect Fruit.

Utility model content

The main purpose of the utility model is to provide a kind of coil panel, it is intended to solves the uneven technology of existing coil panel heating Problem.

To achieve the above object, the utility model provides a kind of coil panel, for electromagnetic cooking appliance, the coil panel bag Include coil panel seat and the first annular coil being wound on the coil panel seat, the second loop coil, second loop coil Ring is located at the outside of the first annular coil, and the upper surface of second loop coil is upper higher than the first annular coil Surface, and projected area of second loop coil in the lower card of the coil panel seat is more than the first annular coil Projected area in the lower card of the coil panel seat.

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 upper surface of the 3rd loop coil is higher than second toroid The upper surface of circle, and projected area of the 3rd loop coil in the lower card of the coil panel seat is more than second ring Projected area of the shape coil in the lower card of the coil panel seat.

Preferably, the radial width of second loop coil is greater than or equal to the radially-wide of the first annular coil Degree.

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 30 millimeters.

Preferably, first distance is less than or equal to 10 millimeters.

Preferably, the winding height of the first annular coil is equal to the winding height of second loop coil, or

The winding height of the first annular coil is less than the winding height of second loop coil.

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 plane where the notch of the described second annular wire casing are higher than the groove of the first annular wire casing Plane where mouthful；The first annular coil, the second loop coil, which correspond to, is wound on the first annular wire casing, the second annular In wire casing.

The utility model also provides a kind of electromagnetic cooking appliance, it is characterised in that including coil panel.The coil panel includes Coil panel seat and the first annular coil being wound on the coil panel seat, the second loop coil, the second toroid ring The outside of the first annular coil is located at, the upper surface of second loop coil is higher than the upper table of the first annular coil Face, and projected area of second loop coil in the lower card of the coil panel seat exists more than the first annular coil Projected area in the lower card of the coil panel seat.

Preferably, the electromagnetic cooking appliance is electromagnetic oven, electric cooker or electric pressure cooking saucepan.

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, Make the second loop coil closer to cooking pot tool, so that adding the second loop coil acts on the magnetic line of force on cooking pot tool Quantity, that is, improve the magnetic induction intensity on the outside of coil panel；Meanwhile by making the second loop coil in the lower card of coil panel seat On projected area S2 be more than projected area S1 of the first annular coil in the lower card of coil panel seat so that the second toroid The more of the magnetic line of force of generation is enclosed, further improves the magnetic induction intensity on the outside of coil panel；So as to improve existing line The deficiency that magnetic field is strong and outside magnetic field is weak is enclosed on the inside of disk, makes the Magnetic Induction Density Distribution in outside in coil panel more uniform, so that The heating uniformity of coil panel and electromagnetic cooking appliance is greatly promoted, to improve culinary art effect.

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 cross-sectional view of one embodiment of the utility model coil panel；

Fig. 2 is the partial enlarged view at A in Fig. 1；

Fig. 3 is the top view of Fig. 1 coil disks；

Fig. 4 is the structure diagram of Fig. 1 coil disk seats；

Fig. 5 is the structure diagram of the another embodiment of the utility model coil panel.

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

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 upper surface of second loop coil 30 are higher than the upper surface of first annular coil 20, and described Projected area S2 of second loop coil 30 in the lower card of coil panel seat 10 is more than first annular coil 20 in coil panel seat Projected area S1 in 10 lower card.

When electromagnetic cooking appliance works, cooking pot tool is placed on the top of coil panel 100, and the coil panel 100 can produce One high-frequency alternating magnetic field radiated from the center of coil panel 100 to the outer rim of coil panel 100.

The utility model coil panel 100, by making the upper surface of the second loop coil 30 higher than first annular coil 20 Upper surface, makes the second loop coil 30 closer to cooking pot tool, so that adding the second loop coil 30 acts on cooking pot tool On the magnetic line of force quantity, that is, improve the magnetic induction intensity in the outside of coil panel 100；Meanwhile by making the second loop coil exist Projected area S2 in the lower card of coil panel seat 10 is more than throwing of the first annular coil 20 in the lower card of coil panel seat 10 Shadow area S1 so that the magnetic line of force that the second loop coil 30 produces it is more, further improve the outside of coil panel 100 Magnetic induction intensity；So as to improve on the inside of existing coil panel the deficiency that magnetic field is strong and outside magnetic field is weak, make outside in coil panel 100 Magnetic Induction Density Distribution it is more uniform, so that the heating uniformity of coil panel 100 and electromagnetic cooking appliance is greatly promoted, to change Kind culinary art effect.

Further, as shown in figures 1 and 3, in order to further improve the magnetic line of force of second loop coil 30 generation Quantity, the radial width of second loop coil 30 are greater than or equal to the radial width of first annular coil 20.Because second 30 ring of loop coil is located at the outside of first annular coil 20, if the radial width of the second loop coil 30 is greater than or equal to first The radial width of loop coil 20, then projected area S2 of second loop coil in the lower card of coil panel seat 10 will be more than Projected area S1 of the first annular coil 20 in the lower card of coil panel seat 10, so that the magnetic that the second loop coil 30 produces The line of force it is more, further to improve the magnetic induction intensity in the outside of coil panel 100.

In addition, the radial width of the second loop coil 30 need to be only set to be greater than or equal to the radially-wide of first annular coil 20 Degree, you can ensure that S2 is more than S1, consequently facilitating first annular 20 and second loop coil 30 of coil of coiling, so that coil panel seat 10 and coil panel 100 making it is simple, conveniently.

Further, as shown in Figure 1, the upper surface of second loop coil 30 and the upper surface of first annular coil 20 Between there is the first distance L, the first distance L to be greater than or equal to 1 millimeter, and less than or equal to 30 millimeters.

It is appreciated that if the first distance L1 is too small, the influence of its magnetic induction intensity to coil panel 100 is extremely limited, Technique effect expected from the utility model cannot be reached；It if the first distance L1 is excessive, can cook first annular coil 20 Magnetic induction intensity at cookware is too small, can influence the overall magnetic induction intensity of coil panel 100, but also can make coil panel seat 10th, coil panel 100 and electromagnetic cooking appliance is blocked up, causes to waste.

In the present embodiment, it is preferable that in order to both can guarantee that first annular coil 20 has enough magnetic at cooking pot tool Induction, but can the outside of intensifier coil disk 100 to greatest extent magnetic induction intensity so that in coil panel 100 outside magnetic Induction is more nearly, then the first distance L1 is greater than or equal to 1 millimeter, and less than or equal to 10 millimeters.

Further, as shown in Figure 1, Figure 2 and shown in Fig. 5, in order to make the second loop coil 30 produce the magnetic line of force quantity not The quantity of the magnetic line of force produced less than first annular coil 20, the winding height of second loop coil 30 should be not less than the The winding height of one loop coil 20, the i.e. winding height of the second loop coil 30 be greater than or equal to first annular coil 20 around Line height, so as to adapt to different size, different desired coil panels 100 and electromagnetic cooking appliance.

Specifically, as depicted in figs. 1 and 2, in the present embodiment, the winding height of the second loop coil 30 is equal to first The winding height of loop coil 20, so as to ensure that the quantity for the magnetic line of force that the second loop coil 30 produces is no less than first annular line The quantity for the magnetic line of force that circle 20 produces.

As shown in figure 5, in the another embodiment of the utility model, the winding height of the second loop coil 30 is more than first The winding height of loop coil 20, further to increase the quantity for the magnetic line of force that the second loop coil 30 produces, so as to improve line The magnetic induction intensity in the outside of disk 100 is enclosed, makes the Magnetic Induction Density Distribution in outside in coil panel 100 more uniform, so as to carry significantly The heating uniformity of coil panel 100 and electromagnetic cooking appliance is risen, to improve culinary art effect.

In the other embodiment of the utility model, for the further magnetic induction on the inside of relatively reduced coil panel 100 Intensity, so that the Distribution of Magnetic Field in outside more balances in coil panel 100, first annular 20 and second loop coil 30 of coil It is arranged at intervals.

Further, as shown in Figures 1 to 5, the upper disk surface of the coil panel seat 10 be formed with first annular wire casing 11 and The second annular wire casing 12 in the first annular outside of wire casing 11 is located on, the plane where the notch of the described second annular wire casing 30 is high Plane where the notch of first annular wire casing 20；The first annular coil 20, the second loop coil 30 are corresponded to and are wound on In the first annular annular wire casing 12 of wire casing 11, second.

It is appreciated that the first annular coil 20 is around to first annular wire casing at the slot bottom of first annular wire casing 11 At 11 notch, by first annular wire casing 11 around full；Likewise, second loop coil 30 is from the second annular wire casing 12 Slot bottom at around at the notch of the second annular wire casing 12, by the second annular wire casing 12 around full.So by the second annular wire casing Plane where 30 notch is set above the plane where the notch of first annular wire casing 20, so that the second loop coil 30 Upper surface be higher than first annular coil 20 upper surface.

The first annular wire casing 11 has the first depth, and the described second annular wire casing 12 has the second depth, Ke Yili Solution, should make the second depth be greater than or equal to the first depth, so that the winding height of the second loop coil 30 is greater than or equal to first The winding height of loop coil 20.

It is appreciated that projected area of the described second annular wire casing 12 in the lower card of coil panel seat 10 should be made to be more than the Projected area of the one annular wire casing 11 in the lower card of coil panel seat 10, so that the second loop coil is under coil panel seat 10 Projected area S2 in card is more than projected area S1 of the first annular coil 20 in the lower card of coil panel seat 10.

Set by said structure, the upper surface of the second loop coil 30 can be made to be higher than the upper table of first annular coil 20 Face.In addition, by shaping annular wire casing on the upper disk surface of coil panel seat 10, with coiling loop coil, can spacing loop coil, And 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 Figure 1, Figure 2 and shown in Fig. 4, it is every in the annular wire casing 12 of the first annular wire casing 11 and second The slot bottom of one annular wire casing is convexly equipped with the spaced coiling muscle 15 of multiple radial directions along coil panel seat 10, with ring The spaced winding slot 16 of multiple radial directions along coil panel seat 10 is limited in shape wire casing.By in first annular wire casing 11 and second annular wire casing 12 slot bottom shaping coiling muscle 15 to limit the structure of winding slot 16, it is ensured that be wound on the The structural stability of 20 and second loop coil 30 of first annular coil in the one annular annular wire casing 12 of wire casing 11 and second, keeps away Exempt from winding coil to deform.

Further, as shown in Figure 3 and Figure 4,10 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.

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 upper surface of the 3rd loop coil are higher than the upper surface of the second loop coil 30, and the tricyclic Projected area of the shape coil in the lower card of coil panel seat 10 is more than lower card of second loop coil 30 in coil panel seat 10 On projected area S2.

In the embodiment, the upper surface of each loop coil is increased successively from inside to outside, and each loop coil is in coil panel seat Lower card on projected area be sequentially increased from inside to outside, electromagnetic cooking appliance work when, the upper surface of each loop coil with The distance between cooking pot tool is sequentially reduced from inside to outside, and the quantity for the magnetic line of force that each loop coil produces increases successively from inside to outside It is more so that the opposite increase successively from inside to outside of magnetic induction intensity of each loop coil at cooking pot tool, so that coil panel 100 The Distribution of Magnetic Field of the regional of top more balances, so that the heating of coil panel 100 and electromagnetic cooking appliance is more uniform.

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 upper surface of each loop coil by It is interior and it is outer increase successively, and projected area of each loop coil in the lower card of coil panel seat 10 is sequentially increased 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.

Wherein, the electromagnetic cooking appliance is electromagnetic oven, electric cooker or electric pressure cooking saucepan etc..

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 upper surface of second loop coil are higher than the upper surface of the first annular coil, and second annular Projected area of the coil in the lower card of the coil panel seat is more than the first annular coil under the coil panel seat Projected area in card.

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, the 3rd loop coil Upper surface be higher than the upper surface of second loop coil, and the 3rd loop coil is in the lower card of the coil panel seat On projected area be more than projected area of second loop coil in the lower card of the coil panel seat.

3. coil panel as claimed in claim 1, it is characterised in that the radial width of second loop coil is greater than or equal to The radial width of the first annular coil.

4. 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.

5. coil panel as claimed in claim 4, it is characterised in that first distance is less than or equal to 30 millimeters.

6. coil panel as claimed in claim 4, it is characterised in that first distance is less than or equal to 10 millimeters.

7. the coil panel as described in any one in claim 1 to 6, it is characterised in that the coiling of the first annular coil Highly it is equal to the winding height of second loop coil, or

The winding height of the first annular coil is less than the winding height of second loop coil.

8. the coil panel as described in any one in claim 1 to 6, it is characterised in that the upper disk surface of the coil panel seat into The second annular wire casing that shape has first annular wire casing and is located on the outside of the first annular wire casing, the described second annular wire casing Notch where plane higher than the first annular wire casing notch where plane；The first annular coil, the second ring Shape coil, which corresponds to, is wound on the first annular wire casing, in the second annular wire casing.

9. a kind of electromagnetic cooking appliance, it is characterised in that including coil panel as claimed in any of claims 1 to 8 in one of claims.

10. electromagnetic cooking appliance as claimed in claim 9, it is characterised in that the electromagnetic cooking appliance is electromagnetic oven, electric meal Pot or electric pressure cooking saucepan.