CN207762991U - Electromagnetic oven - Google Patents

Abstract

The utility model provides an electromagnetic oven. The utility model discloses an induction cooker, include casing (1) and be located the panel of casing (1) top, the panel includes a plurality of moving parts (2), a plurality of moving parts (2) are followed the radial inside and outside cover of panel is established, the top of moving part (2) forms jointly the top surface of panel, moving part (2) can for the plane at panel place is removed along vertical direction to form concave face or the plane that matches with pan bottom shape, at least part the bottom of moving part (2) is all around being equipped with at least two sets of coil windings (3), just lie in inboard coil winding and be less than the coil winding that lies in the outside in at least two sets of coil windings (3). This can be applicable to pan and pan at the bottom of the circular arc.

Description

Electromagnetic oven

Technical field

The utility model is related to household appliance technical field more particularly to a kind of electromagnetic ovens.

Background technology

With the development of science and technology with the progress of people's living standard, the new-type household electrical appliance such as electromagnetic oven more and more occur In the work and life of people.

Current electromagnetic oven, has generally included the chief components such as shell, panel and coil panel, and shell and panel are total With the cavity surrounded for accommodating coil panel, and panel is located above coil panel, and for carrying cookware to be heated, coil panel When being passed through the alternating current of high frequency variation, you can generate continually changing magnetic field, the magnetic strength wire cutting cookware in magnetic field, and to pot Tool is heated.Common, panel is tablet.Also part electromagnetic oven uses recessed panel, to be arc-shaped to the bottom of a pan Cookware be supported and heat.

However, the type due to cookware is more various, electromagnetic oven is difficult to take into account flat cookware and circular arc bottom cookware, causes Cookware is inconvenient for use.

Utility model content

The utility model provides a kind of electromagnetic oven, can be suitable for flat cookware and circular arc bottom cookware.

The utility model provides a kind of electromagnetic oven, including shell and the panel above shell, panel include multiple work Moving part, multiple movable parts are arranged along the radially inner and outer of panel, and the top surface of panel is collectively formed at the top of movable part, and movable part can phase Plane where panel is vertically moved, with formation and the matched concave surface of cookware bottom shape or plane, at least The bottom of piecemeal activity part is arranged at least two groups coil windings, and at least two groups coil windings positioned at the coil of inside around Group is less than the coil windings positioned at outside.

In this way when cookware bottom is arc-shaped, since the shape and the shape of cookware bottom of coil windings are mutually matched, So coil windings have between cookware bottom at a distance from closer, magnetic induction line cutting effect of the coil to cookware can be improved, Ensure the efficiency of heating surface and heating uniformity of electromagnetic oven.

Optionally, the bottom of at least partly movable part is provided with movable support, and movable support is for being arranged coil windings.This Coil windings can be fixed on the lower section of movable part by sample.

Optionally, movable support is provided with wire casing, and coil windings winding is in wire casing.

Optionally, each movable support is provided at least two wire casings that Open Side Down, the slot bottom of wire casing from inside to outside according to Secondary raising.

In this way by the constraint of wire casing, the fixation to coil windings may be implemented, make the height of coil windings from inside to outside It raises successively.

Optionally, multiple movable parts include being located at the central plate in panel center and being centered around at least one on the outside of central plate Annular slab；Panel further includes ring-type fixing plate, and ring-type fixing plate is disposed around the outer of outermost annular slab at least one annular slab Side, ring-type fixing plate lower section are provided at least two groups coil windings of coil fixing bracket and winding on coil fixing bracket.

Optionally, coil fixing bracket is provided at least two wire casings that Open Side Down, the slot bottom of wire casing from inside to outside according to Secondary raising is arranged with coil windings in wire casing.

In this way, in the support bracket fastened wire casing of coil can also fixed coil, to expand be formed by equivalent coil disk Outer so that cookware can also be generated heat in the part above ring-type fixing plate by the effect of coil.

Optionally, the wire casing setting of movable support is jagged, and notch is located at one adjacent with other movable supports of wire casing Side, the coil windings in wire casing are connect by the connecting line being threaded through in notch with the coil windings in other movable supports, even The length of wiring is more than the radial distance between two neighboring movable part.

Accordingly even when the coil windings corresponding to two neighboring movable part move up and down relatively, adjacent two activity can also rely on Connecting line between holder realizes connection, it is ensured that all coils winding forms a complete coil panel.

Optionally, at least two groups coil windings, the range of the difference in height between each adjacent two coil windings is in 1-5mm Between.Coil windings can be allowed to be formed by concave surface in this way with pan bottom shape to match.

The construction of the utility model and its other purpose of utility model and advantageous effect will be in conjunction with the accompanying drawings Description of preferred embodiments and it is more obvious and easy to understand.

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, 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, other drawings may also be obtained based on these drawings.

Fig. 1 is appearance schematic diagram of the electromagnetic oven of the offer of the utility model embodiment one when panel is plane；

Fig. 2 is appearance schematic diagram of the electromagnetic oven of the offer of the utility model embodiment one when panel is recessed；

Fig. 3 is structural schematic diagram of the electromagnetic oven of the offer of the utility model embodiment one when panel is plane；

Fig. 4 is the close-up schematic view at A in Fig. 3；

Fig. 5 is the close-up schematic view at B in Fig. 3；

Fig. 6 is appearance schematic diagram of the electromagnetic oven of the offer of the utility model embodiment one when panel is recessed；

Fig. 7 is the close-up schematic view at C in Fig. 6.

Reference sign：

1-shell；2-movable parts；3-coil windings；4-movable supports；5-ring-type fixing plates；6-coils fix branch Frame；7-elastic components；8-support elements；9-temperature measuring equipments；11-upper shells；12-lower housings；21-central plates；22-annulars Plate；41,61-wire casing；81-the second pilot sleeve；82-third pilot sleeves.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to The range of the utility model protection.

Fig. 1 is appearance schematic diagram of the electromagnetic oven of the offer of the utility model embodiment one when panel is plane.Fig. 2 is this Appearance schematic diagram of the electromagnetic oven that utility model embodiment one provides when panel is recessed.Fig. 3 is the utility model embodiment one Structural schematic diagram of the electromagnetic oven of offer when panel is plane.Fig. 4 is the close-up schematic view at A in Fig. 3.Fig. 5 is Fig. 3 Close-up schematic view at middle B.Fig. 6 is that shape of the electromagnetic oven of the offer of the utility model embodiment one when panel is recessed is shown It is intended to.Fig. 7 is the close-up schematic view at C in Fig. 6.As shown in Figures 1 to 7, electromagnetic oven provided in this embodiment, including shell Body 1 and the panel above shell 1, panel include multiple movable parts 2, and multiple movable parts 2 are arranged along the radially inner and outer of panel, The top surface of panel is collectively formed in the top of movable part 2, and movable part 2 can vertically be moved relative to the plane where panel, With formation and the matched concave surface of cookware bottom shape or plane, the bottom of each movable part 2 is arranged at least two groups coil Winding 3, and it is less than the coil windings positioned at outside positioned at the coil windings of inside at least two groups coil windings 3.

Wherein, the panel of electromagnetic oven and shell 1 surround cavity jointly, and coil windings 3 are arranged in the lower section of panel, work as coil When being passed through the alternating current of high frequency variation in the coil that winding 3 is formed, you can generate periodically variable magnetic field, the magnetic in magnetic field Sense line can constantly cut cookware, to allow the molecule inside cookware to be accelerated under magnetic induction line dissection, and generate big Calorimetric amount, to play heat effect.

Specifically, the top of panel is used for placing cooker.Since the type of cookware is more various, in order to make panel same When be suitable for flat cookware and circular arc bottom cookware, panel includes multiple movable parts 2 that can vertically move up and down, activity The top of part 2 is for carrying cookware, and the lower section of movable part 2 is for being arranged coil.In this way, above panel when placing cooker, Movable part 2 can move up and down under the gravity of cookware, and hover over the height to match with cookware bottom and position, and by It is arranged in the lower section of movable part 2 in coil, so coil can be arranged in the position closer with cookware distance from bottom, ensures coil To the heating effect of cookware.

Specifically, multiple movable parts 2 are arranged inside and outside the plane where panel, thus work as and place circular arc bottom on movable part 2 When cookware, movable part 2 will move down under the compressing of the gravity of circular arc bottom cookware, and the height of movable part 2 is from face plate center It increases successively outward, to form the shape of central dip.In general, the top surface of movable part 2 is either cambered surface, or Plane.When the top surface of movable part 2 is plane, since movable part 2 vertically moves up and down, thus the top of movable part 2 Face remains as horizontal plane, at this point, multiple movable parts 2 have collectively constituted central dip, multiple ring-shaped steps that edge rises successively Face.And when the top surface of movable part 2 is cambered surface, after movable part moves up and down, you can form arc concave surface.In this way, multiple work Moving part 2, which is formed by step surface or arc concave surface, to match with the form of pot bottom of circular arc bottom cookware, ensure for circle The support effect of arc bottom pan tool.

And when placing flat cookware on panel, since the bottom of a pan of flat cookware is plane, so the top surface of movable part 2 is equal It is in the same plane, and shared is in the lower section of flat cookware, support and heating with guarantee pair with flat cookware.

Wherein, movable part 2 both can be round or annular, or ellipse, triangle, rectangle or other polygon The common shape of the those skilled in the art such as shape institute.Wherein, the shape of movable part 2 be round, annular, ellipse, triangle or Rectangle is primarily referred to as the shape that movable part 2 is presented in the horizontal direction, that is, the shape for being in when vertical view.For example, when living When moving part 2 is round or annular, multiple movable parts 2 can be successively arranged along the plane where panel in inside and outside, inside and outside being formed Nested cyclic annular arrangement；And when 2 other shapes of movable part, can also allow movable part 2 be that shape is consistent and size successively It is decreased or increased, so as to inside and outside nesting arrangement successively, and the plane of panel is collectively formed.

Optionally, multiple movable parts 2 are in being arranged concentrically or eccentric setting.For example, can be in concentric ring or SIMULATION OF ECCENTRIC ANNULAR Arrangement or other similar concentric or eccentric setting modes etc..

Wherein, in order to form equivalent coil panel in the bottom of panel, the bottom of each movable part 2 generally can be with winding There are at least two groups coil windings 3, is connected with each other between the coil windings 3 of 2 bottoms of movable part multiple in this way, one can be collectively constituted A spill or planar coil disk, and heated for the cookware placed on panel.

It adapts to be matched with the shape of cookware bottom, in at least two groups coil windings 3 of 2 bottom of movable part, is located at interior The coil windings of side are less than the coil windings positioned at outside.It moves, and is formed downward under the compressing of cookware when movable part 2 in this way When the panel of concave, since the inner coil winding of 2 bottom of each movable part is below the coil windings in outside, so while The top surface of movable part 2 is plane, but the coil windings 3 of 2 bottom of movable part form recessed anchor ring, in this way when cookware bottom is When arc-shaped, since the shape and the shape of cookware bottom of coil windings 3 are mutually matched, so coil windings 3 and cookware bottom Between have closer distance, magnetic induction line cutting effect of the coil to cookware can be improved, ensure electromagnetic oven the efficiency of heating surface and Heating uniformity.

Optionally, logical in the bottom of part or all of movable part 2 in order to which coil windings 3 to be fixed on to the lower section of movable part 2 Standing to be equipped with movable support 4, movable support is for being arranged coil windings 3.Specifically, movable support 4 is provided with wire casing 41, coil 3 winding of winding is in wire casing 41.In general, can be an integral structure between movable support 4 and movable part 2, or point Body formula structure.When between movable support 4 and movable part 2 being split structure, can lead between movable support 4 and movable part 2 It crosses bonding agent to be bonded, or is connected using the modes such as being spirally connected or being clamped.

Specifically, in order to allow coil windings inside and outside the lower section of movable part 2 that there is different height, each movable support 4 At least two wire casings 41 that Open Side Down are provided with, the slot bottom of wire casing 41 increases successively from inside to outside.Pass through wire casing 41 in this way Constraint, may be implemented the fixation to coil windings 3, the height of coil windings 3 is made to raise successively from inside to outside.

Specifically, at least two groups coil windings, the range of the difference in height between each adjacent two coil windings is in 1- Between 5mm.Coil windings 3 can be allowed to be formed by concave surface in this way with pan bottom shape to match.

Since each movable part 2 of composition panel can be under the compressing of cookware and the elastic force effect of elastic component 7 vertical It is moved up and down on direction, thus the coil windings 3 of 2 lower section of each movable part can also move up and down therewith.In order to by each activity 2 corresponding coil windings of part connect, and jagged (not shown) is arranged in the wire casing 41 of movable support 4, and notch is located at line The side adjacent with other movable supports 4 of slot 41, coil windings 3 in wire casing 41 by the connecting line that is threaded through in notch with Coil windings connection in other movable supports.Accordingly even when the coil windings 3 corresponding to two neighboring movable part are relatively up and down Mobile, the connecting line that can also rely between adjacent two movable support realizes connection, it is ensured that all coils winding forms one completely Coil panel.Wherein, it should be noted that connecting line and the coil windings for being connected to connecting line both ends are generally the line of same specification Material even same root coil.

Since the movable part 2 of composition panel can move up and down, and when the compressing in cookware between two neighboring movable part When the lower step formed with difference in height, the coil windings 3 of institute's winding also can be in the vertical direction below two neighboring movable part It is separated by a distance.At this time in order to ensure that there is connection between the coil windings corresponding to two neighboring movable part, connecting line Length is more than the radial distance between two neighboring movable part.Thus connecting line can between two neighboring movable part difference in height It is in straight configuration when maximum, and when highly flushing or be not much different between two movable parts is in flexuosity, to adapts to The different height state of movable part 2.

In addition, in order to ensure that coil windings 3 can form sufficiently strong magnetic field, the coil windings 3 in wire casing 41 not only may be used To include a layer line circle, the coil of at least two layers mounted on top can also be included.When lattice coil 3 is overlapped winding, formed Magnetic field is stronger, has preferable heating effect.

In general, the line of composition coil windings 3 and the connecting line being connected between the coil windings of adjacent activities holder Material all can be enameled wire.

The various possible embodiments of other components of electromagnetic oven and structure are described in detail and illustrated below.

As the optional mode of one of which, multiple movable parts 2 include being located at the central plate 21 in panel center and being centered around At least one annular slab 22 in 21 outside of central plate.Wherein, the shape of central plate 21 typically circle, ellipse, triangle The different shapes such as shape.Corresponding, the shape of annular slab 22 may be annulus or Fang Huan etc..In general, due to cookware bottom Portion is generally circular, so central plate 21 can be circle, and the shape of annular slab 22 is annulus.

When annular slab 22 is multiple, multiple annular slabs 22 have different sizes, and are arranged successively from the inside to the outside.Its In, it is usually provided between innermost annular slab 22 and central plate 21 and between two neighboring annular slab 22 certain Interval, to cause to interfere to other structures when moving up and down, influences the mobile effect of itself.

When movable part 2 is in the different arrangement mode of inside and outside height, the maximum between two neighboring movable part 2 can be set Difference in height is less than or equal to 30mm.Specifically, can be that difference in height between central plate 21 and adjacent annular plate 22 is less than or waits In 30mm, and the difference in height between two adjacent annular plates 22 again smaller than or be equal to 30mm, such difference in height range can make Being formed by recessed ledge frame has suitable height and width ratio, allows the panel-shaped and most of circle on the market of electromagnetic oven The bottom shape of arc bottom pan tool matches, and applicability is wider.

In addition, optional, panel further includes ring-type fixing plate 5, and ring-type fixing plate 5 is disposed around at least one annular slab 22 The outside of outermost annular slab 22.It, can be common with outermost ring-type fixing plate 5 when central plate 21 and annular slab 22 float Form the plane of panel.

Further, since panel can also include the ring-type fixing plate 5 in the outside for being disposed around outermost annular slab 22, in order to protect The heating effect to cookware is demonstrate,proved, coil fixing bracket 6 is generally also provided with below ring-type fixing plate 5, coil fixes branch At least two groups coil windings 3 are equally arranged in frame 6.Coil can also be arranged in the lower section of ring-type fixing plate 5 in this way, expand panel Heated perimeter.

Specifically, coil fixing bracket 6 may be provided at least two wire casings 61 that Open Side Down, the slot bottom of wire casing 61 is by interior It increases successively outward, coil windings are corresponding to be arranged in wire casing 61.In this way, also may be used in the wire casing 61 of coil fixing bracket 6 With fixed coil, to expand the outer for being formed by equivalent coil disk so that cookware is in the portion above ring-type fixing plate 5 Dividing can also be generated heat by the effect of coil.

Since the platform to match with cookware bottom shape can also be formed between ring-type fixing plate 5 and adjacent annular slab 22 Rank.Likewise, as a kind of optional mode, the maximum height difference between ring-type fixing plate 5 and movable part on the outermost side 2 Generally less than or equal to 30mm.The difference in height range, which can allow between ring-type fixing plate 5 and annular slab 22, forms suitable height With width ratio so that formed concave shape adapt to more cookware.

In order to realize that independently moving up and down for movable part 2, each movable part 2 are correspondingly arranged at least one elastic component 7, Elastic component 7 is used to provide the elastic force moved up for corresponding movable part 2.In this way, and place on the panel flat cookware or When circular arc bottom cookware, movable part 2 is moved down by the gravity of cookware, until movable part 2 can not continue to move down. At this point, movable part 2 can offset under the effect of the elastic force of elastic component 7 with cookware bottom, and form and cookware bottom shape phase The plane or concave shape matched；And when non-placing cooker on panel, movable part 2 can elastic component 7 elastic force effect under to On bounce, and be in elemental height.

Optionally, elastic component 7 generally can be to press to elastic component, and when movable part 2 moves vertically downwards, elasticity Part 7 is compressive state.Elastic component 7 can generate upward elastic force under the compressing of movable part 2 in this way, so that 2 top of movable part It is connected to the bottom position of cookware.Specifically, elastic component 7 typically presses to spring.

Elastic component 7 itself needs to connect and position with other structures, movable part 2 could be allowed one when supporting movable part 2 Determine to realize movement in range.In order to support elastic component 7, elastic component 7 is set normally to provide elastic force to movable part 2, electromagnetic oven exists The bottom end of elastic component 7 is also provided with support construction.Wherein, support construction can be structure as a whole with the shell 1 of electromagnetic oven, May be independently arranged other support constructions.For example, support construction can be absolute construction.At this point, electromagnetic oven further includes The bottom end of support element 8, elastic component 7 is abutted with support element 8, and the top of elastic component 7 is connected on movable part 2.Support element 8 can be The bottom end of elastic component 7 provides support, allows elastic component 7 to generate normal stress and deformation and provides screen resilience to movable part 2.

Specifically, support element 8 can have the function of a variety of concrete structures and, for example, support element 8 is supported on the movable part 2 lower section, and support element 8 and shell 1 surround the cavity being isolated with movable part 2 jointly.At this point, support element 8 and 1 institute of shell are common The cavity surrounded is located at the lower section of movable part 2, and usually seal cavity, the cavity that such support element 8 and shell 1 collectively form With good leakproofness and water proofing property, circuit board and other electrical equipments can be arranged in the cavity, to avoid pot Water or other impurity when tool culinary art in the gap between movable part 2 by entering inside electromagnetic oven.

Optionally, support element 8 may include bottom wall and be looped around the side wall of bottom wall outer, and bottom end and the bottom wall of side wall connect It connects, the top of side wall is connect with shell 1.Side wall and bottom wall can form the cavity of an opening upwards in this way, which can be with For accommodating the movable part 2 moved up and down, so that movable part 2 has certain activity space.

Further, the bottom wall of support element 8 is used to support movable part 2, and the position that moves up and down of movable part 2 is allowed to be confined to one In fixed range.Wherein, the bottom wall of support element 8 can be simple planar structure, can also be with the shift position phase of movable part 2 Matching.For example, bottom wall can be the step surface or arcwall face that shape when being moved down with movable part 2 matches.It supports in this way The bottom wall of part 8 and the cavity geometry that side wall is surrounded are roughly the same with the scope of activities of movable part 2, have in the lower section of support element 8 There is larger space, convenient for other elements of setting electromagnetic oven.

In order to which support element 8 is fixed, optionally, the top of support element 8 usually and shell 1 realize it is direct or indirect Connection is fixed.When being indirect fixation between support element 8 and shell 1, since panel may include ring-type fixing plate 5, support Part 8 and coil fixing bracket 6 are detachably connected.Specifically, support element 8 can be by the modes such as being clamped, being spirally connected and coil is fixed Holder 6 realizes connection.Wherein, optionally, support element 8 may be mounted at the top of coil fixing bracket 6, and be folded in coil Between fixing bracket 6 and ring-type fixing plate 5.

Further, the bottom wall of support element 8 is used to support movable part 2, and the position that moves up and down of movable part 2 is allowed to be confined to one In fixed range.Wherein, the bottom wall of support element 8 can be simple planar structure, can also be with the shift position phase of movable part 2 Matching.For example, bottom wall can be the step surface that shape when being moved down with movable part 2 matches.The bottom wall of support element 8 in this way It is roughly the same with the scope of activities of movable part 2 with the cavity geometry that side wall is surrounded, there is larger sky in the lower section of support element 8 Between, convenient for other elements of setting electromagnetic oven.

Specifically, support element 8 when being supported to elastic component 7, in order to be oriented to elastic component 7, avoids elastic component 7 Elastic force occur it is crooked, support element 8 can have a variety of different structures, elastic component 7 is oriented to and be positioned.

The possible guide frame of one of which as support element 8, the bottom of each movable part 2 are both provided at least one The guide post extended downwardly, the position that guide post is corresponded on support element 8 are provided with the first pilot sleeve of opening upwards, guide post It can stretch into the first pilot sleeve, the cylinder bottom of the first pilot sleeve has the through-hole that guiding column end can be made to stretch out, elastic component 7 In gap between the first pilot sleeve and guide post, and the bottom end of elastic component 7 is abutted with the cylinder bottom of the first pilot sleeve, the The top of one pilot sleeve is used for the falling head of restricted guidance column.

Support element 8 is supported on the bottom of elastic component 7, and upward elastic force can be provided to movable part 2.Simultaneously as Guide post is extended downwardly and can be stretched into the first pilot sleeve, it is possible to when movable part 2 moves up and down, be carried for movable part 2 For guiding role, make movable part 2 that can only be moved in the vertical direction by limitation under the cooperation of guide post and the first pilot sleeve. When constantly being moved down under the movable part 2 above compressing of cookware, guide post can stretch into the first pilot sleeve, until first The top upper limb of pilot sleeve is contradicted with the other structures on the movable support 4 of 2 bottom of movable part either guide post, is lived at this time Moving part 2 is located at minimum point.

Since support element 8 is generally the structural member independently of electromagnetic oven shell body 1, thus it is generally located on inside electromagnetic oven Centre position.At this point, in order to avoid causing the excessive height of electromagnetic oven due to the length of the guide frames such as guide post, in support element Through-hole is opened up on 8, so that the end of guide post is extend out in the space of 8 lower section of support element, thus the height of 8 superjacent air space of support element Degree is reduced, and the whole height of electromagnetic oven is effectively reduced.

In addition, when guide post declines, between the element of 8 lower section of bottom end and support element or the bottom wall of shell 1 of guide post With interval.At this point, under the limitation of the first pilot sleeve, guide post can only decline limited position, without interfering with branch The electromagnetic oven internal element of 8 lower section of support member or the shell 1 contradicted to electromagnetic oven.

Optionally, in order to which the first pilot sleeve can be supported to the movable part 2 of top, to form concave surface, the The height of one pilot sleeve is increased successively by inside to the outside of panel, minimum in the height of innermost first pilot sleeve. Can make in this way inside movable part 2 move down more, and the movable part 2 in outside move down it is less.

And as the alternatively possible guide frame of support element 8, the bottom of each movable part 2 may be provided at least one A the second pilot sleeve 81 that Open Side Down, correspond on support element 8 each second pilot sleeve 81 position be respectively provided with there are one Third pilot sleeve 82, the internal diameter of third pilot sleeve 82 is more than the outer diameter of the second pilot sleeve 81, so that the second pilot sleeve 81 stretch into third pilot sleeve 82；Elastic component 7 is located in the second pilot sleeve 81, the top of elastic component 7 and the second guide sleeve The cylinder bottom connection of cylinder 81, the bottom end of elastic component 7 is abutted with the cylinder bottom of third pilot sleeve 82.

In this way, by the way that the two opposite pilot sleeves that are open are arranged, it can be by the second smaller pilot sleeve of radial dimension 81 are sleeved on the inside of the larger third pilot sleeve 82 of radial dimension, thus by the lap of two pilot sleeves to activity The moving direction of part 2 is limited.Since elastic component 7 is located in the second pilot sleeve 81, thus inside guide frame spacious amount compared with It is small, it is preferable for the positioning and fixed effect of elastic component 7 so that it is more accurate that movable part 2 is positioned when moving up and down.Wherein, Guide part can also be set in second pilot sleeve 81, to allow elastic component 7 between the second pilot sleeve 81 and guide part Annular space in, enhance the reliability of guide frame.

Limit, optionally, the second pilot sleeve are completed between third pilot sleeve 82 and the second pilot sleeve 81 in order to allow 81 cylinder bottom and the cylinder bottom of third pilot sleeve 82 abut；Alternatively, the outside of the second pilot sleeve 81 be equipped with protrusion, and protrusion with The top of third pilot sleeve 83 abuts.

Wherein, optionally, at least part the second pilot sleeve 81 in or at least part third pilot sleeve 82 Interior that the guide part 83 for stretching out or extending downwardly upwards can also be arranged, guide part 83 is when being arranged in the second pilot sleeve 81 Extend downwardly, and guide part 83 be arranged in third pilot sleeve 82 when for upwards stretch out；Second pilot sleeve 81 stretches into third When in pilot sleeve 82, guide part 83 is located in corresponding second pilot sleeve 81.To allow elastic component 7 to be located at the second guide sleeve In annular space between cylinder 81 and guide part 83, enhance the reliability of guide frame.

And for recessed effect successively inside and outside being realized using guide frame, the second pilot sleeve 81 and the can be set In the guide frame of three pilot sleeves 82, in each adjacent two movable part 2, the second guide sleeve on the movable part 2 of inside The length of cylinder 81 is less than the length of the second pilot sleeve 81 on the movable part 2 in outside, and the length of third pilot sleeve 82 Degree is respectively less than the length of its corresponding second pilot sleeve.Since the second pilot sleeve 81 is supported on the bottom of movable part 2, and The bottom end of two pilot sleeves 81 is supported on support element 8, when the second pilot sleeve 81 has different height, is led by second The movable part 2 supported to sleeve 81 also will present out high outside and low outside form, can be used for placing the cookware of circular arc bottom.

And alternatively, can also be the third on the movable part of inside in each adjacent two movable part The length of pilot sleeve 82 is less than the length of the third pilot sleeve 82 on the movable part in outside, and each second guide sleeve The length of cylinder 81 is respectively less than the length of third pilot sleeve corresponding with second pilot sleeve.In this way, different height can be utilized The third pilot sleeve of degree makes movable part 2 form high outside and low outside recessed state.

Since movable part 2 is moved up by the elastic force of elastic component 7, thus in order to limit the position of movable part 2, make activity Part 2 can be in non-placing cooker, the top for being arranged in electromagnetic oven in good order, and the bottom outside setting of movable part 2 is limited The upper limb in position portion, limiting section is used for and is abutted positioned at the adjacent activities part in 2 outside of movable part or the bottom surface of ring-type fixing plate 5, So that the highest position of all movable parts 2 in the vertical direction is mutually flush and forms plane.At this point, the activity positioned inside When part moves up under the action of elastic component 7, limiting section can be against below the movable part in outside, so inside is movable The height of part can flush with outside movable part and can not continue to float.By sequentially being connected inside and outside movable part 2, all movable parts 2 can maintain the highest position that 2 outboard structure of movable part is limited, to form the panel of plane.It should be noted that Limiting section can not only be connected with 2 bottom of movable part, and since movable support 4 and movable part 2 are relatively fixed, thus limiting section 23 It can also be located on movable support 4.

Specifically, in wherein a kind of optional embodiment, limiting section is the ring edge for protruding from 2 outside of movable part, ring The diametrical width of edge is more than the gap between two neighboring movable part 2.In this way in all directions of limiting section in the circumferential It can effectively be abutted with the movable part 2 in outside, it is ensured that movable part 2 is reliably limited.

When heating, in order to realize the detection to cookware temperature, temperature when convenient for culinary art controls electromagnetic oven, electromagnetism Can also include temperature measuring equipment 9 on stove, temperature measuring equipment 9 is arranged in the bottom of innermost movable part 2.Due to innermost Movable part 2 is located at the center of panel, so being able to detect that the temperature of cookware bottom centre, detection accuracy is higher.

Further, since panel is usually to be made of multiple movable parts 2 in concentric circle permutation, thus its global shape is logical Often it is circle, in order to be adapted with the shape of panel, shell 1 or arc-shaped shell.At this point, the appearance of entire electromagnetic oven Can be oblateness, overall structure is more beautiful, better user experience.

When shell 1 is arc-shaped, shell 1 is further divided into 12 two parts of upper shell 11 and lower housing, and upper shell 11 It is in the shape that one side is thick, another side is thin in circumferential direction with lower housing 12, such upper-lower casing can form complementary shape Shape, and the seam between upper-lower casing is tilted to side.At this point, it is in front and back asymmetric moulding that shell 1 is whole, it can be in vision On play thinned effect.

In the present embodiment, electromagnetic oven includes shell and the panel above shell, and panel includes multiple movable parts, multiple Movable part is arranged along the radially inner and outer of panel, and the top surface of panel is collectively formed at the top of movable part, and movable part can be relative to panel The plane at place vertically moves, with formed with the matched concave surface of cookware bottom shape or plane, each movable part Bottom is arranged at least two groups coil windings, and is less than positioned at outer positioned at the coil windings of inside at least two groups coil windings The coil windings of side.The panel of electromagnetic oven can be in plane or arc-shaped according to the different shape of carried cookware in this way, And when cookware bottom be it is arc-shaped when, since the shape and the shape of cookware bottom of coil windings are mutually matched, thus coil around Group has between cookware bottom at a distance from closer, can improve magnetic induction line cutting effect of the coil to cookware, ensures electromagnetic oven The efficiency of heating surface and heating uniformity.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of electromagnetic oven, including shell (1) and the panel above the shell (1), which is characterized in that the panel packet Multiple movable parts (2) are included, the multiple movable part (2) is arranged along the radially inner and outer of the panel, the top of the movable part (2) The top surface of the panel is collectively formed, the movable part (2) can vertically move relative to the plane where the panel, With formation and the matched concave surface of cookware bottom shape or plane, the bottom of at least partly described movable part (2) is arranged at least Two groups of coil windings (3), and it is less than the line positioned at outside positioned at the coil windings of inside in at least two groups coil windings (3) Enclose winding.

2. electromagnetic oven according to claim 1, which is characterized in that the bottom of at least partly described movable part (2) is provided with Movable support (4), the movable support (4) is for being arranged the coil windings (3).

3. electromagnetic oven according to claim 2, which is characterized in that the movable support (4) is provided with wire casing (41), described Coil windings (3) are interior around the wire casing (41) is located at.

4. electromagnetic oven according to claim 3, which is characterized in that each movable support (4) is provided at least two The slot bottom of the wire casing (41) that Open Side Down, the wire casing (41) increases successively from inside to outside.

5. according to claim 1-4 any one of them electromagnetic ovens, which is characterized in that the multiple movable part (2) includes being located at The central plate (21) in the panel center and at least one annular slab (22) being centered around on the outside of the central plate (21).

6. electromagnetic oven according to claim 5, which is characterized in that the panel further includes ring-type fixing plate (5), the ring Shape fixed plate (5) is disposed around the outside of outermost annular slab at least one annular slab (22).

7. electromagnetic oven according to claim 6, which is characterized in that it is solid to be provided with coil below the ring-type fixing plate (5) Fixed rack (6) and around at least two groups coil windings being located on the coil fixing bracket (6).

8. electromagnetic oven according to claim 7, which is characterized in that the coil fixing bracket (6) is provided at least two The slot bottom of the wire casing that Open Side Down, the wire casing increases successively from inside to outside, and the coil windings are arranged in the wire casing (3)。

9. electromagnetic oven according to claim 3 or 4, which is characterized in that the wire casing (41) of the movable support (4) is provided with Notch, the notch are located at the side adjacent with other movable supports of the wire casing (41), the coil in the wire casing (41) Winding (3) is connect by the connecting line being threaded through in the notch with the coil windings in other movable supports；The connecting line Length be more than two neighboring movable part (2) between radial distance.

10. according to claim 1-4 any one of them electromagnetic ovens, which is characterized in that at least two groups coil windings (3) In, the range of the difference in height between each adjacent two coil windings is between 1-5mm.