CN207382620U - Coil panel and induction cooker - Google Patents

Abstract

The utility model provides a coil panel and electromagnetism stove, this coil panel includes coil plate rail (2), coil (3) and magnetic stripe (1), coil (3) are including interior loop coil winding (31) and outer loop coil winding (32), magnetic stripe (1) have first step (111) that corresponds interior loop coil winding (31) and second step (112) that correspond outer loop coil winding (32), first step (111) locate highly be higher than the height that second step (112) located, and first step (111) and second step (112) pass through slope section (113) transition, and contained angle (a) between slope section (113) and the horizontal plane is less than 40, thereby magnetic stripe to coil winding's the effect of gathering has been ensured, and the structural strength that first step and second step combine the department has been guaranteed.

Description

Coil panel and electromagnetic oven

Technical field

The utility model is related to household electrical appliance technical field more particularly to a kind of coil panels and electromagnetic oven.

Background technology

Electromagnetic oven has many advantages, such as heating quick, the flames of anger, safe ready, more and more favored by consumers and recognize It can.

Electromagnetic oven mainly includes bottom case, the panel at the top of bottom case and the coil panel in bottom case.Wherein, coil Disk includes the coil of coil plate rail, winding on coil plate rail and the magnetic stripe on coil plate rail, the work of electromagnetic oven Principle is：Using the electric current of high frequency by coil, so as to generate the magnetic field force of countless closings, the pot on magnetic force line cutting panel Tool, forms countless small vortex in the bottom surface of cookware, so as to be heated to cookware.Coil generally includes：Inner ring coil windings and Outer shroud coil windings on the outside of inner ring coil windings, and the coiling number of plies of inner ring coil windings be one layer, outer shroud coil around The coiling number of plies of group is two layers.Magnetic conduction is carried out by being located at the monoplane magnetic stripe below coil, the magnetic force for generating coil energization Line is concentrated on above coil panel, prevents the magnetic line of force from leaking, to improve the efficiency of heating surface to cookware.

However, since the coiling number of plies of inner ring coil windings is fewer than the coiling number of plies of outer shroud coil windings, cause inner loop-line Enclose the distant of monoplane magnetic stripe of the winding below coil, the more remote then magnetic stripe of distance to the poly- magnetic effects of coil windings more Difference causes the efficiency of heating surface to reduce.

Utility model content

At least one in order to solve the problems, such as to mention in background technology, the utility model provides a kind of coil panel and electromagnetism Stove, to improve poly- magnetic effect of the magnetic stripe to coil windings.

To achieve these goals, in a first aspect, the utility model provides a kind of coil panel, including coil plate rail, winding Coil on the coil plate rail and the magnetic stripe on the coil plate rail, the coil include inner ring coil windings With the outer shroud coil windings on the outside of the inner ring coil windings, the coiling number of plies of the inner ring coil windings is one layer, institute The coiling numbers of plies of outer shroud coil windings is stated as two layers, the magnetic stripe have the corresponding inner ring coil windings the first ladder section and The second-order bench of the corresponding outer shroud coil windings, the height residing for the first ladder section are higher than the second-order bench institute The height at place, and the first ladder section and the second-order bench be by tilting section transition, and the tilting section and horizontal plane Between angle be less than 40 °.

The coil panel of the utility model, by making magnetic stripe that there is the first ladder section of corresponding inner ring coil windings and corresponding to outer The second-order bench of ring coil winding makes the height residing for the first ladder section higher than the height residing for second-order bench, i.e. make magnetic The location of the less part of inner ring coil windings of the correspondence number of plies of item is higher, ensures that the less inner loop-line of the number of plies The distance between winding and magnetic stripe are enclosed, poly- magnetic effect of the magnetic stripe to coil windings is ensure that, so as to improve the efficiency of heating surface；Together When, inclined-plane will be arranged between the first ladder section and second-order bench, so as to ensure the poly- magnetic effect of the internal ring coil winding of magnetic stripe While fruit, it ensure that the first ladder section and the structural strength of second-order bench junction, and so set and compare saving magnetic Consumptive material.Meanwhile the angle between tilting section and horizontal plane is made to be less than 40 °, so as to gather in the guarantee internal ring coil winding of magnetic stripe While magnetic effect, make magnetic stripe not easy to break when making, magnetic stripe is made to be more easy to make shaping.

Optionally, the scope of the angle between the tilting section and horizontal plane is 15 °~35 °.

Optionally, the angle between the tilting section and horizontal plane is 30 °.

Optionally, the junction of the first ladder section and the tilting section, the tilting section and the second-order bench Junction seamlessly transit.

The junction stress mistake of the junction of the first ladder section and tilting section, tilting section and second-order bench can so be avoided Cause happening for magnetic stripe fracture greatly, further improve the structural strength of magnetic stripe.

Optionally, ring-type is formed between the outside of the inner ring coil windings and the inside of the outer shroud coil windings to isolate Band, the tilting section correspond to the annular isolation strip and set.

So by by inner ring coil windings and the spaced setting of outer shroud coil windings, to avoid the two junction magnetic force Line is excessively intensive, and the situation for preventing the region heat excessively high occurs, to improve heating uniformity.

Optionally, the tilting section is the line of the coiling of the coil in the length in the radial direction along the coil panel 2~5 times of footpath.

Due to above tilting section corresponding region substantially without coil-winding, the length of tilting section is arranged in the range of, The non-uniform situation of the magnetic line of force can farthest be avoided to occur.

Optionally, the difference in height of the upper surface of the first ladder section and the upper surface of the second-order bench and the line The ratio range of the line footpath of the coiling of circle is 0.8~1.2 times.

The upper surface of inner ring coil windings and the upper surface of outer shroud coil windings after assembling can be ensured by so setting Same plane is at, makes the upper surface of inner ring coil windings and the distance between the upper surface of outer shroud coil windings and panel Unanimously, so as to improve cookware heating uniformity.

Optionally, the magnetic stripe includes the first main part and the second main part, and first main part includes described first Ladder section and the second-order bench, second main part are close to the coil plate rail outer rim by the second-order bench One end extend vertically upwards and formed.

By the way that magnetic stripe is included the first main part and is vertically set on the second main part of the first main part outer end, by the The magnetic line of force of one main part below coil guides, and the magnetic line of force on the outside of coil panel is drawn by the second main part It leads, is gathered in so that the magnetic line of force is as much as possible above coil panel, makes the magnetic line of force for penetrating cookware more, so as to further carry The high efficiency of heating surface to cookware.

Optionally, the top surface of second main part has the first plane and the second plane, first plane and described Second plane forms step, has the accommodating chamber for accommodating second main part, the top of the accommodating chamber on the coil plate rail Portion has opening, and the opening is equipped with positioning convex platform, and present position is higher in first plane and second plane Plane exposes in said opening, and the relatively low plane in present position is connected to described in first plane and second plane The bottom surface of positioning convex platform.

So by the step surface for being arranged to be formed by the first plane and the second plane by the top surface of the second main part, filling Timing makes the plane exposure that wherein present position is higher in the opening, i.e., can see the plane from outside, make wherein residing position It the bottom surface that relatively low plane is connected to positioning convex platform put, i.e., can't see the plane from outside, due to the top surface of the second main part Outside, another part is located in coil plate rail a part, so as to reduce the top of the second main part of magnetic stripe and outside Collision is facilitated worker to judge whether magnetic stripe is installed in place by damaged probability.

Optionally, second plane is located at the inside of first plane, and the height residing for first plane is higher than Height residing for second plane.

Since the second main body section of magnetic stripe is in the outside of coil, it is located at by the second plane for making the second main part top surface The inside of first plane, i.e. the second plane than the first plane closer to coil, due to residing for the second plane closer to coil Highly it is less than the height residing for the first plane, therefore, it is ensured that the cut coverage of the upward magnetic line of force makes to cut to pan bottom On the magnetic line of force it is more, so as to further improve the efficiency of heating surface to cookware.

Optionally, the junction of first main part and second main part seamlessly transits.

The first main part and the stress of the second main part junction can be reduced by so setting, and avoided stress excessive and caused it Happening for junction fracture, further improves the structural strength of magnetic stripe.

Second aspect, the utility model provides a kind of electromagnetic oven, including bottom case, panel and coil panel as described above, institute The top that panel is located at the bottom case is stated, the coil panel is located in the bottom case.

The electromagnetic oven of the utility model, by making magnetic stripe that there is the first ladder section of corresponding inner ring coil windings and corresponding to outer The second-order bench of ring coil winding makes the height residing for the first ladder section higher than the height residing for second-order bench, i.e. make magnetic The location of the less part of inner ring coil windings of the correspondence number of plies of item is higher, ensures that the less inner loop-line of the number of plies The distance between winding and magnetic stripe are enclosed, poly- magnetic effect of the magnetic stripe to coil windings is improved, so as to improve the efficiency of heating surface；Together When, inclined-plane will be arranged between the first ladder section and second-order bench, so as to ensure the poly- magnetic effect of the internal ring coil winding of magnetic stripe While fruit, it ensure that the first ladder section and the structural strength of second-order bench junction, and then improve the knot of entire magnetic stripe Structure intensity, and so set to compare and save magnetic stripe consumptive material.Meanwhile the angle between tilting section and horizontal plane is made to be less than 40 °, from And while the guarantee internal ring coil winding of magnetic stripe poly- magnetic effect, make magnetic stripe not easy to break when making, magnetic stripe is made to be more easy to make It is molded.

The construction of the utility model and its other purposes and advantageous effect will be in conjunction with the accompanying drawings to preferred real Apply the description of example and more obvious understandable.

Description of the drawings

It 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, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the structure diagram for the coil panel that one embodiment of the utility model provides；

Fig. 2 is the schematic enlarged-scale view at I in Fig. 1；

Fig. 3 is the structure diagram of the magnetic stripe in the coil panel that one embodiment of the utility model provides；

Fig. 4 is the corresponding overlooking structure figures of Fig. 3.

Reference sign：

1-magnetic stripe；

11-the first main part；

111-the first ladder section；

112-second-order bench；

113-tilting section；

12-the second main part；

121-the first plane；

122-the second plane；

H0-difference in height；

L-length；

A-angle；

2-coil plate rail；

21-coiling partition plate；

20-positioning convex platform；

22-accommodating chamber；

220-opening；

3-coil；

31-inner ring coil windings；

32-outer shroud coil windings；

30-ring-type isolation strip.

Specific embodiment

It 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, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it can also be obtained according to these attached drawings other attached drawings.

Embodiment one

Fig. 1 is the structure diagram for the coil panel that one embodiment of the utility model provides.Fig. 2 is that the structure in Fig. 1 at I is put Big figure.Fig. 3 is the structure diagram of the magnetic stripe in the coil panel that one embodiment of the utility model provides.Fig. 4 bows for Fig. 3 is corresponding Depending on structure chart.Referring to figs. 1 to shown in Fig. 4, the present embodiment provides a kind of coil panels.

The coil panel includes：Coil 3 on coil plate rail 2 of coil plate rail 2, winding and on coil plate rail 2 Magnetic stripe 1.During specific implementation, coiling partition plate 21 can be set on coil plate rail 2, formed between adjacent coiling partition plate 21 around Wire casing, enameled wire is along winding slot winding, so as to form coil 3 on coil plate rail 2.Wherein, winding slot can be helical form Winding slot or ring winding slot, can be in the correspondence position of each coiling partition plate 21 when winding slot is ring winding slot Wire jumper notch is set, so that coiling can be entered to swimmingly in adjacent winding slot from wire jumper notch.

Below by being described in detail exemplified by the coil panel is applied on electromagnetic oven：

Electromagnetic oven specifically includes：Bottom case, panel and coil panel, panel are located at the top of bottom case, and panel can be glass surface Plate or ceramic panel, the utility model are not limited thereto.Coil panel is located in bottom case.The principle of heating of electromagnetic oven For：Using the electric current of high frequency by coil 3, so as to generate the magnetic field force of countless closings, the cookware on magnetic force line cutting panel, The bottom surface of cookware forms countless small vortex, so as to be heated to cookware.The magnetic line of force generated in order to which coil 3 is made to be powered concentrates on Above coil panel, i.e. the cookware being directed toward on panel installs magnetic stripe 1 usually on coil plate rail 2, by being located at 3 lower section of coil Magnetic stripe 1 carries out magnetic conduction, by above magnetic line of force guidance coil disk, so as to prevent the magnetic line of force from revealing, improves the efficiency of heating surface to cookware.

Wherein, coil 3 includes：Inner ring coil windings 31 and outer shroud coil windings 32, and the coiling of inner ring coil windings 31 The number of plies is less than the coiling number of plies of outer shroud coil windings 32, and the situation so as to which the heating of 3 intermediate region of coil is avoided excessively to concentrate goes out It is existing.With reference to shown in Fig. 1, in the present embodiment, the coiling number of plies of inner ring coil windings 31 is one layer, outer shroud coil windings 32 around The line number of plies is two layers.

Since the coiling number of plies of inner ring coil windings 31 and the coiling number of plies of outer shroud coil windings 32 are few, in order to ensure inner ring The distance between coil windings 31 and magnetic stripe 1, to ensure poly- magnetic effect of the magnetic stripe 1 to interior ring coil winding 31, in the present embodiment In, with reference to shown in Fig. 1 or Fig. 3, magnetic stripe 1 has the first ladder section 111 of corresponding inner ring coil windings 31 and corresponding outer shroud coil The second-order bench 112 of winding 32, it is to be understood that the first ladder section 111 is located at 31 lower section of inner ring coil windings, second-order Bench 112 is located at 32 lower section of outer shroud coil windings.Wherein, the height residing for the first ladder section 111 is higher than 112 institute of second-order bench The height at place ensures that poly- magnetic effect of the magnetic stripe 1 to interior ring coil winding 31.

Meanwhile first passes through 113 transition of tilting section between ladder section 111 and second-order bench 112.That is, first The junction of ladder section 111 and second-order bench 112 is inclined-plane, and so interior 31 poly- magnetic of ring coil winding is imitated in guarantee magnetic stripe 1 While fruit, the structural strength of 112 junction of the first ladder section 111 and second-order bench ensure that, and then improve entire magnetic The structural strength of item 1 preferably can provide guarantee by magnetic conduction for magnetic stripe 1.And the present embodiment is so set than by the first rank The situation that the junction of bench 111 and second-order bench 112 is arranged to vertical plane more saves magnetic stripe consumptive material.It is appreciated that It is that the first ladder section 111, second-order bench 112 and tilting section 113 are integrally formed.Meanwhile between tilting section 113 and horizontal plane Angle a be less than 40 °, be arranged such ensure magnetic stripe 1 to interior 31 poly- magnetic effect of ring coil winding while so that magnetic stripe 1 exists It is not easy to break during making, magnetic stripe is made to be more easy to make shaping.

It should be noted that the coil panel of the present embodiment can not only be applied on electromagnetic oven, can also apply at other Using on the electric appliance of electromagnetic heating, such as electric cooker, pressure cooker etc..

Coil panel provided in this embodiment, by making magnetic stripe 1 that there is the first ladder section 111 of corresponding inner ring coil windings 31 With the second-order bench 112 of corresponding outer shroud coil windings 32, the height residing for the first ladder section 111 is made to be higher than second-order bench Height residing for 112, i.e. the location of part of inner ring coil windings 31 for making the correspondence number of plies of magnetic stripe 1 less is higher, from And ensure the distance between the less inner ring coil windings 31 of the number of plies and magnetic stripe 1, improve poly- magnetic of the magnetic stripe 1 to coil windings Effect, so as to improve the efficiency of heating surface；Meanwhile inclined-plane will be arranged between the first ladder section 111 and second-order bench 112, from And while magnetic stripe 1 is ensured to interior 31 poly- magnetic effect of ring coil winding, it ensure that the first ladder section 111 and second-order bench The structural strength of 112 junctions, and then the structural strength of entire magnetic stripe 1 is improved, and so set to compare and save magnetic stripe consumption Material.Meanwhile the angle a between tilting section 113 and horizontal plane is made to be less than 40 °, so as to ensure magnetic stripe 1 to interior ring coil winding 31 While poly- magnetic effect, make magnetic stripe 1 not easy to break when making, magnetic stripe 1 is made to be more easy to make shaping.

It is more preferred, junction, tilting section 113 and the second-order bench 112 of the first ladder section 111 and tilting section 113 Junction seamlessly transit, can so reduce 113 and first ladder section 111 of tilting section and 112 junction of second-order bench Stress further improves the overall construction intensity of magnetic stripe 1.

During specific implementation, the angle a between tilting section 113 and horizontal plane can be specifically located between 15 °~35 °. In the range of being somebody's turn to do, magnetic stripe 1 is more easily molded, structural strength is more preferable, and effectively can carry out poly- magnetic to coil windings.It is exemplary , in the present embodiment, the angle a between tilting section 113 and horizontal plane is specially 30 °.

Wherein, when coil panel heats, the junction magnetic line of force distribution of general inner ring coil windings and outer shroud coil windings is most To be intensive, cause to heat herein and relatively concentrate, therefore when electromagnetic oven works, inner ring coil windings and outer shroud coil windings junction Heating temperature highest causes cookware uneven heating even.Based on this, with reference to shown in Fig. 1, in the present embodiment, inner ring coil windings Annular isolation strip 30 is formed between 31 outside and the inside of outer shroud coil windings 32, i.e. the outside of inner ring coil windings 31 with The inside of outer shroud coil windings 32 has spacing.Tilting section 113 corresponds to annular isolation strip 30 and sets.So by by inner ring coil The 32 spaced setting of winding 31 and outer shroud coil windings, it is excessively intensive to avoid the two junction magnetic line of force, prevent the region The excessively high situation of heat occurs, to improve the uniformity of heating.

It is to be understood that 2 upper surface of coil plate rail corresponds to the position of inner ring coil windings 31 and corresponding outer shroud coil windings 32 position is respectively provided with coiling partition plate 21, and 31 outermost coiling partition plate 21 of inner ring coil windings and outer shroud coil windings 32 are most interior Form above-mentioned annular isolation strip 30 between the coiling partition plate 21 of side, such coil it is easier for installation and accurate, and can have Internally ring coil winding 31 and outer shroud coil windings 32 are isolated on effect ground.

Wherein, tilting section 113 is the 2~5 of the line footpath of the coiling of coil 3 in the length L in the radial direction along coil panel Times.The line footpath for turning to the coiling of coil 3 is typically uniform.Since the corresponding region in 113 top of tilting section does not have substantially Coil-winding, the length of tilting section 113 is arranged in the range of, the non-uniform situation of the magnetic line of force can farthest be avoided to go out It is existing, further improve the uniformity to cookware heating.

Specifically, can by the difference in height h0 of the upper surface of the first ladder section 111 and the upper surface of second-order bench 112 with it is outer The ratio of the line footpath of the coiling of ring coil winding 32 is arranged between 0.8~1.2.So setting, which can be further ensured that, is assembling The upper surface of inner ring coil windings 31 and the upper surface of outer shroud coil windings 32 are in same plane afterwards, make inner ring coil windings The distance of 31 upper surface and the upper surface of outer shroud coil windings 32 apart from panel is consistent substantially, so as to improve to cookware The uniformity of heating.

On the basis of above-described embodiment, coil 3 is powered the magnetic line of force generated to leakage on the outside of coil panel in order to prevent, has Body, magnetic stripe 1 includes：First main part 11 and the second main part 12.Wherein, the first main part 11 includes the first above-mentioned ladder Section 111 and second-order bench 112, it is to be understood that the magnetic stripe 1 in above-described embodiment can be understood as only having the first main body Portion 11.With reference to shown in Fig. 1, the second main part 12 in the present embodiment is close 2 outer rim of coil plate rail by second-order bench 112 One end extend vertically upwards and formed.That is, the magnetic stripe 1 in the present embodiment is specially L-type magnetic stripe.Assembling it Afterwards, the second main part 12 is located at the outside of coil 3.It is guided, led to by the magnetic line of force of first main part 11 below coil The second main part 12 is crossed to being guided to the magnetic line of force of leakage on the outside of coil panel, further improves 3 peripheral region of coil The efficiency of heating surface then improves the efficiency of heating surface to cookware.

More preferred, the junction of the first main part 11 and the second main part 12 seamlessly transits.So setting can reduce The stress of 12 junction of first main part 11 and the second main part, the situation hair for avoiding stress excessive and its junction being caused to be broken It is raw, further improve the structural strength of magnetic stripe 1.

Generally after magnetic stripe 1 is assembled on coil plate rail 2, the top surface of the vertical portion of magnetic stripe 1 --- the second main part 12 top surface is exposed to the top surface of coil plate rail 2, and the part of the exposure is caused easily to be collided and damaged by foreign object, and if will The top surface of second main part 12 is wrapped in coil plate rail 2, then can cause worker that can not estimate whether magnetic stripe 1 is installed in place, base In this, further, with reference to shown in Fig. 1 or Fig. 3, in the present embodiment, the top surface of the second main part 12 has the first plane 121 With the second plane 122, and the first plane 121 and the second plane 122 are formed as step, that is to say, that the first plane 121 and second Height residing for plane 122 is different.So when assembling magnetic stripe, the plane that wherein present position is higher can be made to be exposed to coil panel The top surface of frame 2, the relatively low plane in present position are located in coil plate rail 2, i.e. only some exposure of the top surface of the second main part In the top surface of coil plate rail 2, another part is located in coil plate rail 2, so as to reduce the top of the second main part 12 of magnetic stripe With external impact by damaged probability, and worker is facilitated to judge whether magnetic stripe is installed in place.

Specifically, the accommodating chamber 22 that can accommodate the second main part 12, the top of accommodating chamber 22 can be set on coil plate rail 2 Portion has opening 220, is equipped with positioning convex platform 20 at opening 220, present position is higher in the first plane 121 and the second plane 122 Plane in the opening 220, it is fixed to be connected to this for the relatively low plane in present position in the first plane 121 and the second plane 122 The bottom surface of position boss 20.When assembling magnetic stripe 1, the plane that present position can be made higher is exposed to the top surface of coil plate rail 2, makes institute The relatively low plane in place position is connected in coil plate rail 2, and the top for not only reducing the second main part 12 of magnetic stripe 1 is touched with outside It hits by damaged probability, and conveniently magnetic stripe 1 is positioned.

In the present embodiment, the height residing for the first plane 121 is higher than the height residing for the second plane 122, the second plane 122 are located at the inside of the first plane 121.That is, above-mentioned residing higher-height plane is the first plane 121, it is residing A lower height of plane is the second plane 122.Inside herein refers to 122 to the first plane 121 of the second plane closer to line Enclose disk center.Since after mounting, the second main part 12 of magnetic stripe 1 is located at the outside of coil 3, by pushing up the second main part 12 Second plane 122 in face is located at the inside of the first plane 121, i.e. 122 to the first plane 121 of the second plane closer to coil 3, Since the height residing for the second plane 122 closer to coil 3 is less than the height residing for the first plane 121, it is ensured that On the magnetic line of force cut coverage, the magnetic line of force for making to cut in pan bottom is more, so as to further improve to cookware The efficiency of heating surface.Certainly, in other realization methods or, height residing for the second plane 122 is higher than the first plane 121 Residing height, in assembling, the second plane 122 is exposed to the top surface of coil plate rail 2, and the first plane 121 is located at coil plate rail 2 It is interior, i.e. the top surface of the second main part 12 only has the top surface that a portion is exposed to coil plate rail 2, so can equally reduce magnetic The top of second main part 12 of item 1 and external impact are facilitated worker to judge whether magnetic stripe 1 is installed to by damaged probability Position.

It should be noted that in other realization methods, the second main part 12 can be 2, two the second main parts 12 It is vertically disposed on the both ends of the first main part 11, i.e. one of them second main part 12 is leaning on by the first main part 11 The one end at 2 center of near line circle plate rail upwardly extends and is formed, another second main part 12 is by close to 2 outer rim of coil plate rail One end extends vertically upwards and is formed, and such magnetic stripe is formed as U-shaped magnetic stripe.Internal ring coil winding is distinguished by U-shaped magnetic stripe The magnetic line of force in 32 outside of the magnetic line of force and outer shroud coil windings of 31 insides guides, so that the magnetic line of force is as much as possible poly- Collection makes the magnetic line of force for penetrating cookware more, so as to further improve the efficiency of heating surface to cookware above coil panel.

Embodiment two

The present embodiment provides a kind of electromagnetic oven, which includes：Bottom case, panel and coil panel.Wherein, panel is located at bottom The top of shell, coil panel are located in the cavity that bottom case and panel surround.

Coil panel in the present embodiment is identical with the structure of the coil panel in embodiment one, and can reach same or similar Technique effect, this is no longer going to repeat them, specifically can refer to the description of embodiment one.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from this practicality newly The scope of each embodiment technical solution of type.

Claims (11)

1. a kind of coil panel, including coil plate rail (2), around the coil (3) being located on the coil plate rail (2) and mounted on institute State the magnetic stripe (1) on coil plate rail (2), the coil (3) include inner ring coil windings (31) and positioned at the inner ring coil around Outer shroud coil windings (32) on the outside of group (31), the coiling number of plies of the inner ring coil windings (31) is one layer, the Section of Outer Ring Line The coiling number of plies for enclosing winding (32) is two layers, which is characterized in that the magnetic stripe (1) has the corresponding inner ring coil windings (31) The first ladder section (111) and the corresponding outer shroud coil windings (32) second-order bench (112), the first ladder section (111) height residing for higher than the height residing for the second-order bench (112), and the first ladder section (111) with it is described Second-order bench (112) is by tilting section (113) transition, and angle (a) of the tilting section (113) between horizontal plane is less than 40°。

2. coil panel according to claim 1, which is characterized in that angle of the tilting section (113) between horizontal plane (a) scope is 15 °~35 °.

3. coil panel according to claim 2, which is characterized in that angle of the tilting section (113) between horizontal plane (a) it is 30 °.

4. coil panel according to claim 1, which is characterized in that the first ladder section (111) and the tilting section (113) junction of junction, the tilting section (113) and the second-order bench (112) seamlessly transits.

5. coil panel according to claim 1, which is characterized in that the outside of the inner ring coil windings (31) with it is described outer Annular isolation strip (30), the corresponding annular isolation strip of the tilting section (113) are formed between the inside of ring coil winding (32) (30) set.

6. coil panel according to claim 5, which is characterized in that the tilting section (113) is in the footpath along the coil panel Length (L) on direction is 2~5 times of the line footpath of the coiling of the coil (3).

7. coil panel according to claim 1, which is characterized in that the upper surface of the first ladder section (111) and described The ratio range of the line footpath of the difference in height (h0) of the upper surface of second-order bench (112) and the coiling of the coil (3) for 0.8~ 1.2 again.

8. coil panel according to any one of claims 1 to 7, which is characterized in that the magnetic stripe (1) includes the first main part (11) and the second main part (12), first main part (11) include the first ladder section (111) and second ladder Section (112), second main part (12) are close to coil plate rail (2) outer rim by the second-order bench (112) One end extends vertically upwards and is formed.

9. coil panel according to claim 8, which is characterized in that the top surface of second main part (12) is flat with first Face (121) and the second plane (122), first plane (121) and second plane (122) form step, the coil There is the accommodating chamber (22) for accommodating second main part (12), the top of the accommodating chamber (22) has opening on plate rail (2) (220), positioning convex platform (20) is equipped at the opening (220), in first plane (121) and second plane (122) The higher plane in present position is in the opening (220), first plane (121) and second plane (122) The relatively low plane in middle present position is connected to the bottom surface of the positioning convex platform (20).

10. coil panel according to claim 9, which is characterized in that second plane (122) is located at first plane (121) on the inside of, height residing for first plane (121) is higher than the height residing for second plane (122).

11. a kind of electromagnetic oven, including bottom case, panel and coil panel as described in any one of claim 1 to 10, the panel position In the top of the bottom case, the coil panel is located in the bottom case.