CN208822302U - Electric heating cooker - Google Patents

Abstract

The utility model provides a kind of electric heating cooker, electric heating cooker includes cooker body, interior pot and the heating device for heating interior pot are provided in cooker body, the main body of interior pot is the revolution shape with upper opening and inner cavity formed by pot wall, heating device is ordinatedly located in the lower section of interior pot, and the full-size d of the projection of the winding area of heating device in the horizontal plane meets: d > 200mm.According to the utility model, the area design of the winding area of heating device can be improved the heating efficiency of heating device, promote cooking quality enough to big.

Description

Electric heating cooker

Technical field

The utility model generally relates to cooking apparatus field, more particularly to a kind of electric heating cooker.

Background technique

The electric heating cooker of existing such as electric cooker or electric pressure cooking saucepan, interior pot be usually arranged as the radial dimension of pot body with The ratio of height is smaller, and the projected area of the winding area that can generate heat of heating device in the horizontal plane is not big enough.This The usual heat transfer efficiency of interior pot of sample is lower, and heating speed is slower, cooks ineffective.

Accordingly, it is desirable to provide a kind of electric heating cooker, at least to be partially solved issue noted above.

Utility model content

A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more Protect range.

At least to be partially solved above-mentioned technical problem, one aspect according to the present utility model provides a kind of electric heating Cooker, the electric heating cooker includes cooker body, and interior pot and the heating dress for heating the interior pot are provided in the cooker body It sets, the main body of the interior pot is the revolution shape with upper opening and inner cavity formed by pot wall, and the heating device is matched It is located in the lower section of the interior pot, and the full-size d of the projection of the winding area of the heating device in the horizontal plane with closing Meet: d > 200mm.

According to this programme, the area design of the winding area of heating device enough to big, can be improved heating device plus The thermal efficiency promotes cooking quality.

Preferably, the value range of the volume V of the interior pot is 1.5L~6L.

According to this programme, electric heating cooker is suitable for cooking the food of 1.5L~6L.

Preferably, the interior cookware has volume V, and the electric heating cooker is constructed so that the size of the heating device is full The following structural condition of foot:

As 1.5L≤V < 3.5L, d > 200mm；

As 3.5L≤V≤6L, d > 225mm.

Preferably, the interior cookware has volume V, and the electric heating cooker is constructed so that the size of the heating device is full The following structural condition of foot:

As 1.5L≤V < 3.5L, 200mm < d < 230mm；

As 3.5L≤V≤6L, 225mm < d < 250mm.

Preferably, the electric heating cooker is constructed so that the size of the heating device meets: d < 400mm.

According to above two scheme, the size of interior pot and heating device can be designed according to different volumes needs, with Electric heating cooker is set to reach preferable culinary art effect.

The inner cavity of the interior pot is with maximum dimension D and has height H, wherein D/H > 2.

According to this programme, the height of interior pot is smaller and radial dimension is larger, to can effectively reduce the thickness of food materials in interior pot Degree, and can effectively increase the heating surface area of interior pot, and then can make food materials thermally equivalent, especially the liquid in pot inside When not yet boiling.

Preferably, the electric heating cooker is configured to meet: d=D.

According to this programme, the ontology of interior pot can be entirely located in the top of the winding area of heating device, so that electric heating boils Meal device can reach preferable culinary art effect.

Preferably, the winding area includes multiple coil panels, and the multiple coil panel is arranged coaxially with each other, and described Multiple coil panels are arranged successively from inside to outside from axis.

Preferably, the winding area includes multiple coil panels, and the successively line at the center of the multiple coil panel is formed For polygon, the polygon surrounds the center of the heating device.

According to above two scheme, multiple coil panels can be evenly provided on the lower section of interior pot so that interior pot can be equal It is heated evenly.

Preferably, the pot wall includes bottom wall and side wall, and the side wall includes straight wall section and the connection bottom wall and institute State the changeover portion of straight wall section.

Preferably, the changeover portion includes circular arc wall, one section of inclination straight wall, the sequentially connected straight wall of multistage or above structure Combination.

According to above two scheme, interior cookware has biggish heating surface area, and such interior pot is easy to clean, and rice grain is not allowed Including easy holding in pot.

Detailed description of the invention

The advantages of in order to make the utility model, is easier to understand, by the specific embodiment by reference to being shown in the accompanying drawings The utility model being briefly described above is more fully described.It is understood that these attached drawings depict only the typical case of the utility model Embodiment, therefore it is not considered as the limitation to its protection scope, it describes to conciliate with additional characteristics and details by attached drawing Release the utility model.

Fig. 1 be according to the schematic cross-section of the cooker body of the electric heating cooker of the first embodiment of the utility model, wherein The part-structure of cooker body is omitted；

Fig. 2 is the elevational schematic view of the heating device of the electric heating cooker in Fig. 1；

Fig. 3 is the schematic cross-section of the interior pot of the electric heating cooker in Fig. 1；

Fig. 4 A be according to the schematic cross-section of the cooker body of the electric heating cooker of the second embodiment of the utility model, wherein The part-structure of cooker body is omitted；

Fig. 4 B is the elevational schematic view of the heating device in Fig. 4 A；

Fig. 5 A be according to the schematic cross-section of the cooker body of the electric heating cooker of the third embodiment of the utility model, wherein The part-structure of cooker body is omitted；And

Fig. 5 B is the elevational schematic view of the heating device in Fig. 5 A.

Specific embodiment

In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model Solution.It will be apparent, however, to one skilled in the art that the utility model embodiment may not need one or more These a details and be carried out.In other examples, in order to avoid obscuring with the utility model embodiment, for Some technical characteristics well known in the art are not described.

In order to thoroughly understand the utility model embodiment, detailed structure will be proposed in following description.Obviously, originally The execution of utility model embodiment is not limited to the specific details that those skilled in the art is familiar with.The utility model Better embodiment is described in detail as follows, however other than these detailed descriptions, the utility model can also have other implementations Mode.

First embodiment

Referring to figs. 1 to Fig. 3, present embodiments provide for a kind of electric heating cookers.Electric heating cooker can for pressure cooker or The utensil for being used to heat food or water that the kitchens such as electric cooker use.

Electric heating cooker in present embodiment includes cooker body 4 and lid (not shown), and lid can be pivotable with cooker body 4 Ground connection.The substantially rounded rectangular shape of cooker body 4, and the interior pot incorporating section with cylindrical shape.Interior pot 2 can construct To be free to be put into interior pot incorporating section or taking out the cleaning to facilitate internal pot 2 from interior pot incorporating section, interior pot 2 can also be with It is configured to including being fixedly disposed in pot incorporating section.Interior pot 2 is made of metal material, for holding material to be heated, such as Rice, soup etc..Lid and interior pot 2 collectively define cooking space.It is additionally provided with heating device 5 and control device in cooker body 4, heats Device 5 is located at the lower section of interior pot 2, is heated with the food in internal pot 2.User can control electric heating by control device The cooking operation of cooker.

Interior pot 2 is formed to have the revolution shape of upper opening and inner cavity.The volume of interior pot 2 is usually in 6L hereinafter, example The volume of such as interior pot 2 can be 5L or 4L.Preferably, the value range of the volume V of interior pot 2 is 1.5L~6L.Preferably, interior The size of pot 2 meets: D/H > 2, wherein D is maximum gauge possessed by inner cavity, and H is the height of inner cavity.For example, in a reality It applies in mode, D/H can be 2.5 or 3.

The program is by that within the above range, can make the ratio setting of the maximum dimension D of inner cavity and the height H of inner cavity Interior pot 2 has biggish width, and keeps the height of interior pot 2 relatively low, thus can effectively reduce the thickness of food materials in interior pot 2, And the heating surface area of interior pot 2 can be effectively increased, and then food materials thermally equivalent can be made, especially the liquid in pot 2 inside When not yet boiling.

Preferably, pot wall includes side wall 1 and bottom wall 3.Bottom wall 3 can be horizontally disposed straight wall structure, also can be set To be slightly upwardly recessed at its center.(section i.e. shown in Fig. 3) can be clear in the longitudinal section of central axis for passing through interior pot 2 See to Chu, the top of side wall 1 is straight wall section 11, and the lower part of side wall 1 is changeover portion 12.Changeover portion 12 is arcwall, bottom end It is connected with bottom wall 3.The opening of interior pot 2 is located at the top of straight wall section 11.

Obviously, those skilled in the art will be seen that, the top of the side wall 1 of interior pot 2 is rendered as straight wall section in sectional view 11 shapes, and in perspective view, the top of the side wall 1 of interior pot 2 can be rendered as generally cylindrical shaped.Similar, changeover portion 12 exists The shape of the smooth surface close to spherical surface or ellipsoid can be rendered as in perspective view.

In the present embodiment, the maximum inner diameter of the cross section of changeover portion 12 is equal with the internal diameter of the cross section of straight wall section 11 And it is substantially equal to maximum dimension D possessed by the inner cavity of interior pot 2.It will therefore be appreciated that straight wall section 11 be vertically arranged it is straight Wall.It should be noted that direction (such as "horizontal", "vertical" of the setting direction of all parts mentioned herein or each size Deng) refer to when electric heating cooker is placed in the horizontal plane, and interior pot 2 be located at cooker body 4 it is interior in the state of all parts or The direction of size.

In other unshowned embodiments, changeover portion can also be other forms.For example, changeover portion can be one section Inclined straight wall or the sequentially connected straight wall of multistage.Alternatively, changeover portion can also be the group of arcwall and one or more snippets straight wall It closes.In this way, in three-dimensional system of coordinate, changeover portion will be rendered as respectively circular conical surface, the circular conical surface that multistage connects or circular conical surface with Curved surface, which connects, is formed by complex surface shape.

Preferably, the junction and/or changeover portion 12 of changeover portion 12 and bottom wall 3 and the junction of straight wall section 11 are fillet. Including such setting can make rice grain be not easy holding in pot 2, it is thus possible to the cleaning of pot 2 in convenient.

Preferably, the height H1 of straight wall section 11 meets: 0.45H≤H1≤0.67H, and the program can suitably increase lower section The height of changeover portion 12 so as to increase the heating surface (area) (HS of interior pot 2, and then can make food materials thermally equivalent.It also ensures simultaneously Straight wall section 11 also has certain height, can prevent the food in pot from overflowing.

Heating device 5 is located at the lower section of interior pot 2 to be heated for internal pot 2.Heating device 5 includes heating device sheet Body 51 and the coil panel 52 being mounted on heating device ontology 51.

Preferably, heating device ontology 51 is generally formed into the structure with the receiving portion to lower recess, the lower part of interior pot 2 Ordinatedly it is located in receiving portion.It can see in the section of its axis (such as the Fig. 1) of cooker body 4, heating device ontology 51 shape is corresponding with the bottom wall 3 of interior pot 2 and changeover portion 12.Preferably, the height of heating device ontology 51 and changeover portion 12 Height be equal or slightly less than the height of changeover portion 12 so that after cooker body 4 is completed, the top of heating device ontology 51 The top for being located at sustained height or heating device ontology 51 with the changeover portion 12 of interior pot 2 and the junction of straight wall section 11 is slightly below The changeover portion 12 of interior pot 2 and the junction of straight wall section 11.

Coil panel 52 is four, and the downside of heating device ontology 51 is arranged in four axis different from each other of coil panel 52.It is excellent Selection of land, four coil panel 52 is generally circular and size is identical.Four coil panels 52 surround the axis of heating device ontology 51 Setting, and the successively line at the center of four coil panels 52 is formed as diamond shape, and the center of the diamond shape is located at heating device ontology On 51 axis.

Preferably, from it is as shown in Figure 2 look up angle from when, heating device ontology 51 is circle, four coil panels 52 The successively line at center further formed and be square.It is highly preferred that the outermost end of four coil panels 52 can be close to The edge of heating device ontology 51.Preferably, can by coil panel 52 be designed and sized to it is as big as possible in heating device Larger area is occupied on ontology 51 to promote cooking efficiency, while it is excessive and cause adjacent two to also avoid 52 area of coil panel A coil panel 52 partly overlaps.It should be noted that Fig. 2 is the elevational schematic view of heating device 5, while can also be regarded as For the perspective view of heating device 5 in the horizontal plane.

In the present embodiment, four coil panels 52 are formed as the winding area of heating device 5, and winding area can generate Heat.Specifically, (winding area i.e. in present embodiment is in level by the common circumscribed diameter of a circle d of four coil panels 52 The maximum radial dimension in projection on face) meet: 200mm < d < 400mm.In the projection view of heating device 5 in the horizontal plane It can be seen that, d is the length of the line of the distalmost end relative to each other for two coil panels 52 being oppositely arranged in figure.It is preferred that Ground, d are approximately equal to the maximum dimension D of the inner cavity of interior pot 2.In this way, the area design of the winding area of heating device enough to Greatly, it can be improved the heating efficiency of heating device, promote cooking quality.

It should be noted that " full-size of the projection of the winding area of heating device in the horizontal plane " mentioned herein Refer to the maximum value in the length of the line of any two edge of the projection of winding area in the horizontal plane, and the line Might not be by the center of winding area, the also circumscribed diameter of a circle of not necessarily all coil panels.For example, for size Not identical, the non-uniform several coil panels of arrangement are formed by for winding area, any two boundary of all coils disk Line length in maximum value d may be actually smaller than the circumscribed diameter of a circle d ' comprising all coils disk, in this feelings Under condition, d > 200mm is limited, it is preferable that d ' >=210mm can also be limited.

Preferably, in order to reach preferable culinary art effect, when manufacturing electric heating cooker, the value of V is bigger, the value of H Also bigger.Specifically, the value of d and the value of H can be limited according to following structural condition: as 1.5L≤V < 3.5L, d > 200mm；As 3.5L≤V≤6L, d > 225mm.It is highly preferred that can also further define that as 1.5L≤V < 3.5L, 200mm < d < 230mm；As 3.5L≤V≤6L, 225mm < d < 250mm.According to the restriction, cook manufacturing electric heating During device, it can be needed according to different volumes to design the size of interior pot 2 and heating device, so that electric heating cooker energy Enough reach preferable culinary art effect.

Preferably, through-hole is provided at the center of heating device ontology 51, through hole is equipped with temperature element 6, thermometric Element 6 is configured to communicate with control device and can contact interior pot 2.When temperature element 6 senses interior pot 2 when the temperature is excessively high, control Device processed can be taken emergency measures in time to avoid dangerous generation.

In other unshowned embodiments, heat-generating disc can be used to replace coil panel, heat-generating disc be formed by around The full-size of the projection of line region in the horizontal plane should also be designed as being greater than 200mm.

Second embodiment

Fig. 4 A to Fig. 4 B shows the electric heating cooker of second embodiment according to the present utility model.For simplified mesh , identical with first embodiment or similar description will be omitted.

In present embodiment, there are three coil panel 252 not of uniform size, three coils for installation on heating device ontology 253 Disk 252 is coaxially arranged with heating device ontology 253, and three coil panels 252 from the axis from inside to outside successively Arrangement.

Heating device is further typically provided with magnetic conduction item, and the fixing piece for fixing magnetic conduction item is commonly mounted directly to heating dress On the lower surface for setting ontology 253.It is thus preferable to be provided with interval between adjacent coil panel 252, fixed with installing this Part.

Preferably, from it is as shown in Figure 4 B look up angle from when, the width of three coil panels 252 is equal, and at equal intervals Ground arrangement.It is highly preferred that the outer diameter for being located at the coil panel 252 of outmost turns is equal to or slightly less than the maximum of heating device ontology 253 Outer diameter, and the internal diameter for being located at the coil panel 252 of innermost circle is equal or slightly larger than the outer diameter of temperature element 26.It is such setting so that Coil panel 252 occupies larger area on heating device ontology 253, to provide higher heating efficiency.

In the present embodiment, the outer diameter positioned at the coil panel of outmost turns 252 is the winding area of heating device in water Coil panel is sized such that d > 200mm by the full-size d of the projection in plane.In this way, the coiling of heating device The area design in region can be improved the heating efficiency of heating device, promote cooking quality enough to big.

Third embodiment

Fig. 5 A to Fig. 5 B shows the electric heating cooker of third embodiment according to the present utility model.For simplified mesh , identical with first embodiment or similar description will be omitted.

In the present embodiment, there are two coil panel 352, two coils for setting on the lower surface of heating device ontology 353 Disk 352 is arranged side by side and the axisymmetrical about heating device ontology 353.The shape and size of two coil panels 352 are all the same, It is all formed as in bottom view as shown in Figure 5 B substantially semi-circular.Coil panel 352 is in the substantially semi-circular the center point setting There is the recessed portion of arc-shaped with corresponding with temperature element 36.The recessed portion of two coil panels 352 is collectively formed as a size It is lesser roughly circular, temperature element 36 ordinatedly be located at this it is roughly circular in.

Preferably, in bottom view as shown in Figure 5 B, coil panel 352 be formed by substantially semi-circular radius be equal to or It is slightly less than the radius of heating device ontology 353.It is such setting so that coil panel 352 occupied on heating device ontology 353 compared with Large area, to provide higher heating efficiency.

In the present embodiment, the length of the line of the distalmost end relative to each other of two coil panels 352 is to heat Coil panel is sized such that d > 200mm by the full-size d of the projection of the winding area of device in the horizontal plane.This Sample, the area design of the winding area of heating device can be improved the heating efficiency of heating device, promote culinary art matter enough to big Amount.

Unless otherwise defined, the technology of technical and scientific term used herein and the technical field of the utility model The normally understood meaning of personnel is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limit The utility model processed.Terms such as herein presented " settings " can both indicate that a component was attached directly to another portion Part can also indicate that a component is attached to another component by middleware.It describes in one embodiment herein Feature can be applied in combination another embodiment individually or with other feature, unless this feature is in another implementation It is not suitable for or is otherwise noted in mode.

The utility model is illustrated by above embodiment, but it is to be understood that, above embodiment It is only intended to the purpose illustrated and illustrated, and is not intended to limit the invention within the scope of described embodiment.This Field technical staff it is understood that introduction according to the present utility model can also make more kinds of variants and modifications, this A little variants and modifications are all fallen within the utility model range claimed.

Claims (12)

1. a kind of electric heating cooker, which is characterized in that the electric heating cooker includes cooker body, be provided in the cooker body interior pot and For heating the heating device of the interior pot, the main body of the interior pot is time with upper opening and inner cavity formed by pot wall Shape is turned, the heating device is ordinatedly located in the lower section of the interior pot, and the winding area of the heating device is in water The full-size d of projection in plane meets: d > 200mm.

2. electric heating cooker according to claim 1, which is characterized in that the value range of the volume V of the interior pot is 1.5L~6L.

3. electric heating cooker according to claim 1, which is characterized in that the interior cookware has volume V, and the electric heating is cooked Device is constructed so that the size of the heating device meets following structural condition:

As 1.5L≤V < 3.5L, d > 200mm；

As 3.5L≤V≤6L, d > 225mm.

4. electric heating cooker according to claim 3, which is characterized in that the interior cookware has volume V, and the electric heating is cooked Device is constructed so that the size of the heating device meets following structural condition:

As 1.5L≤V < 3.5L, 200mm < d < 230mm；

As 3.5L≤V≤6L, 225mm < d < 250mm.

5. electric heating cooker as claimed in any of claims 1 to 4, which is characterized in that the electric heating cooker structure It makes to meet the size of the heating device: d < 400mm.

6. electric heating cooker as claimed in any of claims 1 to 4, which is characterized in that the inner cavity of the interior pot has There is maximum dimension D and there is height H, wherein D/H > 2.

7. electric heating cooker according to claim 6, which is characterized in that the electric heating cooker is configured to meet: d=D.

8. electric heating cooker as claimed in any of claims 1 to 4, which is characterized in that the winding area includes Coil panel or heat-generating disc.

9. electric heating cooker according to claim 8, which is characterized in that the winding area includes multiple coil panels, institute It states multiple coil panels to be arranged coaxially with each other, and the multiple coil panel is arranged successively from inside to outside from axis.

10. electric heating cooker according to claim 8, which is characterized in that the winding area includes multiple coil panels, institute The successively line for stating the center of multiple coil panels is formed as polygon, and the polygon surrounds the center of the heating device.

11. electric heating cooker as claimed in any of claims 1 to 4, which is characterized in that the pot wall includes bottom wall And side wall, the side wall include the changeover portion of straight wall section and the connection bottom wall and the straight wall section.

12. electric heating cooker according to claim 11, which is characterized in that the changeover portion include circular arc wall, one section incline The combination of oblique straight wall, the sequentially connected straight wall of multistage or above structure.