CN205267894U - Heating pipe, heating chassis and cooking utensil - Google Patents
Heating pipe, heating chassis and cooking utensil Download PDFInfo
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- CN205267894U CN205267894U CN201521132265.3U CN201521132265U CN205267894U CN 205267894 U CN205267894 U CN 205267894U CN 201521132265 U CN201521132265 U CN 201521132265U CN 205267894 U CN205267894 U CN 205267894U
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Abstract
The utility model provides a heating pipe, heating chassis and cooking utensil, wherein, the heating pipe is oval cyclic annularly, and the size of heating pipe satisfies the relational expression: S0D0: snDn=0.8~1.2, the heating pipe that this scheme provided, because the center of the heating pipe of oval ring -type to the big or small difference that exists of the distance in its each cross -section, the size that here set up the heating pipe accordings to S0D0: snDn=0.8's~1.2 relation changes, each cross -section is even to the heat transfer capacity at the center of heating pipe on so can making the heating pipe, makes the heat distribution state from each cross -section on the heating pipe to the center of heating pipe more similar like this, though the distribution of heat in it belongs to the ellipsoid that this elliptical ring encloses of heating pipe is more even to improve the heating homogeneity of product, and heating chassis and cooking utensil that this scheme provided have above whole beneficial effect because of setting up above -mentioned heating pipe.
Description
Technical field
The utility model relates to kitchen utensils field, specifically, it relates to a kind of heating tube, a kind of be provided with the heating chassis of this heating tube and a kind of cooking apparatus being provided with this heating chassis.
Background technology
At present, the application of jug with heating disk mode in existing household appliances is very general, as the products such as electric cooker, pressure cooker, soybean milk maker and electric cooking pot mostly adopt jug with heating disk; In heat-generating disc product, heating tube is as its main heat radiating structure, it is resolved that the overall heating properties of heat-generating disc; Concerning existing circular heating tube, its structure design has been tending towards ripe, but the variation along with gastronomic products development so that and the shape of heat-generating disc and heating tube thereof is also towards variation and complicated development; With regard to non-circular heat-generating disc, existing circular heating tube is difficult to meet the requirement of this type of heat-generating disc in heating uniformity and heating high efficiency, if simple, heating tube is designed to the mode of the non-circular suitable structure of heat-generating disc, encourage the heat transfer non-uniform phenomenon of heating tube on the contrary, thus bring non-circular heat-generating disc surface heat to distribute uneven detrimentally affect, thus hinder the marketing of product.
Practical novel content
In order to solve the problems of the technologies described above one of at least, an object of the present utility model is to provide a kind of more uniform heating tube of thermal radiation.
Another object of the present utility model is to provide a kind of heating chassis with above-mentioned heating tube.
Another object of the present utility model is to provide a kind of cooking apparatus with above-mentioned heating chassis.
For achieving the above object, the embodiment of the utility model first aspect provides a kind of heating tube, and described heating tube is in oval ring-type, and the size of described heating tube meets following relational expression:
S0/D0:Sn/Dn=0.8��1.2;
Wherein, any one cross section of described heating tube is benchmark cross section, and S0 is the area of described benchmark cross section; D0 be described benchmark cross section width between centers described in the distance at center of heating tube; Sn is the area of other any one cross section except described benchmark cross section on described heating tube; Dn be other any one cross section except described benchmark cross section on described heating tube width between centers described in the distance at center of heating tube.
What deserves to be explained is, oval ring-type described herein refers to the non-standard ellipse that generation is made up of or approximate ellipsoidal smooth curve; The distance at the center of the width between centers heating tube of benchmark cross section refers to the distance at the center of the center of area for this benchmark cross section and heating tube herein, and the distance at the center of the width between centers heating tube of cross section refers to the center of area of cross section and the distance at the center of heating tube herein.
The heating tube that the embodiment of the utility model first aspect provides, based on the difference that the center of the heating tube of oval ring-type exists to the distance size in its each cross section, the relationship change of size according to S0/D0:Sn/Dn=0.8��1.2 of heating tube is set herein, each cross section on heating tube so can be made even to the heat-transfer capability at the center of heating tube, make each cross section from heating tube more similar to the heat distribution state at the center of heating tube like this, namely make the distribution in the elliptical area that the heat of heating tube becomes in this ellipse collar of its place more even, thus improve the heating uniformity of product.
In addition, the heating unit in above-described embodiment that the utility model provides can also have following additional technical feature:
In technique scheme, it may be preferred that described heating tube comprises heating pipeline section, the first connection pipeline section being connected with the cold junction of described heating pipeline section, and the 2nd connection pipeline section being connected with the hot junction of described heating pipeline section; Described heating pipeline section comprises: the first heating pipeline section, in oval arc shape; 2nd heating pipeline section, in oval arc shape, described 2nd heating pipeline section and described first heat-generating pipe section are positioned on same ellipse, and lay respectively at the both sides of the major axis of described ellipse; The 3rd heating pipeline section being positioned at one end of the first heating pipeline section and the 2nd heating pipeline section, the two ends of described 3rd heating pipeline section are connected with described first heating pipeline section and described 2nd heating pipeline section respectively; It is positioned at the 4th heating pipeline section and the 5th heating pipeline section of the other end of the first heating pipeline section and the 2nd heating pipeline section, the two ends of described 4th heating pipeline section are connected pipeline section with described first heating pipeline section and described first respectively and connect, and the two ends of described 5th heating pipeline section are connected pipeline section with described 2nd heating pipeline section and the described 2nd respectively and connect; Described 3rd heating pipeline section and/or described 4th heating pipeline section and/or described 5th heating pipeline section extend along the axis of described ellipse short shaft.
The utility model is by the 3rd heating pipeline section, 4th heating pipeline section and the/the five at least one generated heat in pipeline section are designed to extend along the axis of ellipse short shaft, so that the 3rd heating pipeline section, 4th heating pipeline section and the 5th heating pipeline section at least one are positioned at the first heating pipeline section and the 2nd oval elliptical area surrounded in heating pipeline section place, for simple elliptic heating pipe, this design makes the position being originally positioned at oval longitudinal end place on heating pipeline section form the structure shunk to elliptical center direction, this can shorten the distance between the heating pipeline section and the center of ellipse of oval longitudinal end to a certain extent, namely the 3rd heating pipeline section is shortened, 4th heating pipeline section and the 5th heating pipeline section arrive the distance at oval center respectively, so make the 3rd heating pipeline section, 4th heating pipeline section and the 5th heating pipeline section arrive the heat distribution state at oval center respectively, with the first heating pipeline section, the heat distribution state that 2nd heating pipeline section arrives oval center respectively is more similar, distribution in the elliptical area that the heat that can improve heating pipeline section like this surrounds at this ellipse is more even, thus improve the heating uniformity of product.
In above-mentioned any technology scheme, it may be preferred that at least overlapping first connection pipeline section of the 5th heating pipeline section described in described 4th heating pipeline section is connected the length of the caliber sum of pipeline section with the 2nd.
What deserves to be explained is, above-mentioned 4th heating pipeline section generates heat with the 5th, and pipeline section is overlapping refers to generation, during using the first heating pipeline section and the 2nd heating pipeline section place elliptical area that surround of ellipse as horizontal plane benchmark, 4th heating pipeline section and the projection of the 5th heating pipeline section on perpendicular overlap, and both projections in the horizontal plane are not overlapping, in three-dimensional arrangement also and non-intersect.
Owing to the first connection pipeline section and the 2nd connection pipeline section all do not generate heat, and it is perpendicular to the plane at heating pipeline section place, this structure is overlapping with the projection of the 5th heating pipeline section on perpendicular by arranging the 4th heating pipeline section, so that heating pipeline section is connected pipeline section with two surrounds the annular almost closed, this can be avoided sternly not causing occurring the problem that heat lacks at opening place because heating tube is closed; In addition, the length of caliber sum of preferably the 4th heating pipeline section and the 5th heating at least overlapping first pipe connecting of pipeline section and the 2nd pipe connecting in this scheme, oval major axis can be set further through the overlapping region of the 4th heating pipeline section and the 5th heating pipeline section, the 4th heating pipeline section and the 5th heating pipeline section overlapping part heat is so utilized to concentrate feature, to improve this overlapping part along oval major axis to the heat-transfer capability at the center of ellipse, can avoid occurring the problem of oval center position heat deficiency like this, improve the heating uniformity of product further.
In above-mentioned any technology scheme, it may be preferred that the cross-sectional area of described 3rd heating pipeline section is greater than the cross-sectional area of at least one in described 4th heating pipeline section and the 5th heating pipeline section.
Based on the 4th heating pipeline section and the 5th heating partly overlapping structure design of pipeline section, the cross-sectional area arranging the 3rd heating pipeline section herein is greater than the cross-sectional area of at least one in the 4th heating pipeline section and the 5th heating pipeline section, make total cross-sectional area of the 4th heating pipeline section and the 5th heating pipeline section overlapping roughly suitable with the cross-sectional area of the 3rd heat-generating pipe, avoid owing to the 4th heating pipeline section and the 5th heating pipeline section overlapping heat are concentrated and the problem of cause the 4th heating pipeline section and the 5th heating heat that transmits to the center of heating tube of pipeline section and the 3rd to generate heat thermal imbalance that pipeline section transmits to the center of heating tube with this, thus avoiding heating tube to occur on the basis of heat disappearance problem, improve the heating uniformity of heating tube.
In above-mentioned any technology scheme, it may be preferred that along the center of described first heating pipeline section and described 2nd heating pipeline section place ellipse to the direction of its longitudinal end, the cross-sectional area of described first heating pipeline section and described 2nd heating pipeline section reduces gradually.
It is understandable that, for the ellipse arc structure of the first heating pipeline section and the 2nd heating pipeline section, along the center of the first heating pipeline section and the 2nd heating pipeline section place ellipse to the direction of its longitudinal end, the relative distance between the first heating pipeline section and the 2nd heating pipeline section reduces gradually.
Relative to the scheme that the first heating pipeline section and the 2nd heating pipeline section are uniform cross section pipeline section, it is along the longitudinal end of the first heating pipeline section and the 2nd heating pipeline section place ellipse to the direction at its center, owing to the relative distance between the first heating pipeline section and the 2nd heating pipeline section increases, then make the heat that the first heating pipeline section and the 2nd heating pipeline section obviously transmit to the center of ellipse more than both to the heat that the longitudinal end of ellipse is transmitted, thus the heat distribution causing product is uneven. and this scheme designs along the center of the first heating pipeline section and the 2nd heating pipeline section place ellipse to the direction of its longitudinal end, the cross-sectional area of the first heating pipeline section and the 2nd heating pipeline section reduces gradually, namely for the position of relative close between the first heating pipeline section and the 2nd heating pipeline section, the heat-transfer capability of this position to oval major axis is weakened with the cross-sectional area at this position on the 2nd heating pipeline section with relative by reducing the first heating pipeline section, this makes between the first heating pipeline section and the 2nd heating pipeline section the less position of relative distance to the heat distribution state of the major axis of ellipse, the position bigger to relative distance between the two is more similar to the heat distribution state of oval major axis, thus make the distribution in the elliptical area that the heat of heating tube becomes in this ellipse collar more even, improve the heating uniformity of product.
Certainly, this scheme is not limited thereto, and considers from complete processing angle, it is possible to design first heating pipeline section is prismatic pipeline section, and/or design the 2nd heating pipeline section is prismatic pipeline section.
In above-mentioned any technology scheme, preferably, along the center of described first heating pipeline section and described 2nd heating pipeline section place ellipse to the direction of its minor axis end, the cross-sectional area of described 3rd heating pipeline section, described 4th heating pipeline section and described 5th heating pipeline section increases gradually.
It is understandable that, for the 3rd heating pipeline section, the 4th heating pipeline section and the 5th heating pipeline section along the axially extended structure of minor axis, along the center of the first heating pipeline section and the 2nd heating pipeline section place ellipse to the direction of its minor axis end, the distance at the 3rd heating pipeline section, the 4th heating pipeline section and the cross section of the 5th heating pipeline section and the center of heating tube increases gradually.
Relative to the 3rd heating pipeline section, 4th heating pipeline section and the 5th heating pipeline section are the scheme of uniform cross section pipeline section, along the center of the first heating pipeline section and the 2nd heating pipeline section place ellipse to the direction of its minor axis end, 3rd heating pipeline section, the distance at the cross section of the 4th heating pipeline section and the 5th heating pipeline section and the center of heating tube increases, this makes the 3rd heating pipeline section, the heat transmitted to the center of heating tube apart from the center proximal most position of heating tube on 4th heating pipeline section and the 5th heating pipeline section is obviously more than its position away from heating tube center, thus the heat distribution causing product is uneven. and this scheme designs along the center of the first heating pipeline section and the 2nd heating pipeline section place ellipse to the direction of its minor axis end, 3rd heating pipeline section, the cross-sectional area of the 4th heating pipeline section and the 5th heating pipeline section increases gradually, even if the area of the cross section on three increases apart from the increase of the distance at the center of heating tube with this cross section, with this, this position of heating tube caused owing to distance increases is compensated to the reduction of center heat transfer, thus make the distribution in the elliptical area that the heat of heating tube becomes in this ellipse collar more even, further increase the heating uniformity of product.
Certainly, this scheme is not limited thereto, and considers from complete processing angle, it is possible to design the 3rd heating pipeline section is prismatic pipeline section, and/or design the 4th heating pipeline section is prismatic pipeline section, and/or design the 5th heating pipeline section is prismatic pipeline section.
The embodiment of the utility model second aspect provides a kind of heating chassis, comprising: the heat conducting disk of oval shape; With the heating tube described in above-mentioned arbitrary embodiment, described heating tube is arranged in described heat conducting disk.
The heating chassis that the utility model second aspect embodiment provides, the heating tube provided by arranging the embodiment of the utility model first aspect, thus there is the whole useful effect that described heating tube has, do not repeat them here.
In technique scheme, it may be preferred that the 3rd heating pipeline section of described heating tube is b/3��2b/3 apart from the distance at the center of described heat conducting disk; And/or the 5th heating pipeline section of the 4th heating pipeline section of described heating tube and described heating tube is b/3��2b/3 apart from the distance at the center of described heat conducting disk; Wherein, described b is the length of the semi-major axis of described heat conducting disk.
What deserves to be explained is, semi-major axis described herein refers to the half of the major axis of the ellipse of generation oval shape heat conducting disk.
The distance at the center that this scheme arranges the 3rd heating pipeline section distance heat conducting disk of heating tube is b/3��2b/3, with this to greatest extent by the medium position place between the 3rd heating spacing center in heat conducting disk of pipeline section and the edge of heat conducting disk, the heat transfer homogeneity on the center of the 3rd heating hot dish of pipeline section guide and these two directions, edge of the 3rd heating hot dish of pipeline section guide can be improved like this, improve the uniform heat distribution of product surface with this; Its preferably, the 3rd heating pipeline section is b/2 apart from the distance at center of heat conducting disk.
It is b/3��2b/3 that this scheme arranges the distance at the 4th heating pipeline section of heating tube and the 5th heating pipeline section of heating tube and heat conducting disk center; , it is possible to the distance at the 4th heating pipeline section and the heat conducting disk center only limiting heating tube is b/3��2b/3, or the 5th distance generating heat pipeline section and heat conducting disk center only limiting heating tube is b/3��2b/3 certainly; So can to greatest extent by the medium position place between the 4th heating pipeline section and the 5th heating spacing center in heat conducting disk of pipeline section and the edge of heat conducting disk, the heat transfer homogeneity on the center of the 4th heating hot dish of pipeline section guide and these two directions, edge of the 5th heating hot dish of pipeline section guide can be improved like this, improve the uniform heat distribution of product surface with this.
In above-mentioned any technology scheme, it may be preferred that the length ratio between the minor axis of the first heating pipeline section of described heating tube and the 2nd heating pipeline section place ellipse of described heating tube and the minor axis of described heat conducting disk is 2/5��2/3.
Preferably, the first heating pipeline section of heating tube and the 2nd heating pipeline section of heating tube are about the symmetry of the major axis of heat conducting disk.
The length ratio herein arranged between the minor axis of the first heating pipeline section and the 2nd heating pipeline section place ellipse and the minor axis of heat conducting disk is 2/5��2/3, the minor axis of the first heating pipeline section and the 2nd heating pipeline section place ellipse can be avoided so too short and cause the problem that heat conducting disk center heat is too high, heat conducting disk edge heat is too low, and the minor axis that also can avoid the first heating pipeline section and the 2nd heating pipeline section place ellipse crosses long and cause the problem of heat conducting disk center heat deficiency, effectively guarantee the uniform heat distribution of product surface with this.
The embodiment of the utility model third aspect provides a kind of cooking apparatus, comprising: interior pot; With the heating chassis described in above-mentioned arbitrary embodiment, described heating tube is arranged near the wall surface of described heat conducting disk, and described interior pot contacts with the top wall surface of described heat conducting disk.
Preferably, heat conducting disk is aluminium dish.
The cooking apparatus that the utility model third aspect embodiment provides, the heating chassis provided by arranging the embodiment of the utility model second aspect, can guarantee the distributing homogeneity of heat on the cross section on heating chassis like this; In addition, this scheme make heating tube arrange near the wall surface of heat conducting disk, and interior pot is contacted with the top wall surface of heat conducting disk, the heat that heating tube can be made like this to produce mainly concentrates on the bottom of heat conducting disk, utilize the high-efficiency heat conduction characteristic of heat conducting disk herein, so that the heat bottom heat conducting disk upwards conducts to the top wall surface of heat conducting disk fast on the vertical section of heat conducting disk, and then it is transmitted on interior pot, this heat that heating tube is sent seems more even in the vertical through redistributing of heat conducting disk, thus further increases the being heated evenly property on interior pot surface.
Can selection of land, described cooking apparatus is electricity pressure cooker, electric cooker or electrical boiler.
Additional aspect of the present utility model and advantage become obvious by description part below, or are recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage from accompanying drawing below combining to the description of embodiment becoming obviously and it should be readily understood that wherein:
Fig. 1 is the structural representation heating chassis described in the utility model embodiment;
Fig. 2 be A-A shown in Fig. 1 cut open to structural representation;
Fig. 3 be B-B shown in Fig. 1 cut open to structural representation;
Fig. 4 is the projection structure schematic diagram of pipeline section at horizontal plane that generate heat described in the utility model embodiment;
Fig. 5 is that heating tube described in the utility model embodiment is at the projection structure schematic diagram of perpendicular.
Wherein, the Reference numeral in Fig. 1 to Fig. 5 and name of parts be referred to as between corresponding relation be:
100 heating chassis, 10 heating tubes, 11 heating pipeline sections, 111 first heating pipeline sections, 112 the 2nd heating pipeline sections, 113 the 3rd heating pipeline sections, 114 the 4th heating pipeline sections, 115 the 5th heating pipeline sections, 121 first connection pipeline sections, 122 the 2nd connection pipeline sections, 20 heat conducting disk.
Embodiment
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail. It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understanding the utility model; but; the utility model can also adopt other to be different from other modes described here to implement, and therefore, protection domain of the present utility model is by the restriction of following public specific embodiment.
Referring to Fig. 1 to Fig. 5, the heating tube 10 according to some embodiments of the utility model is described.
The heating tube 10 that the embodiment of the utility model first aspect provides is oval ring-type, and the size of heating tube 10 meets following relational expression:
S0/D0:Sn/Dn=0.8��1.2;
Wherein, any one cross section of heating tube 10 is benchmark cross section, and S0 is the area of benchmark cross section; D0 is the distance at the center of the width between centers heating tube 10 of benchmark cross section; Sn is the area of other any one cross section except benchmark cross section on heating tube 10; Dn is the distance at the center of the width between centers heating tube 10 of other any one cross section except benchmark cross section on heating tube 10.
Such as, minimum cross section can be amassed as benchmark cross section, it is also possible to amass maximum cross section as benchmark cross section using the pipeline section upper section that generates heat, certainly using the pipeline section upper section that generates heat, this scheme is not limited thereto, and this benchmark cross section can be selected according to design convenience.
What deserves to be explained is, oval ring-type described herein refers to the non-standard ellipse that generation is made up of or approximate ellipsoidal smooth curve; The distance at the center of the width between centers heating tube 10 of benchmark cross section refers to the distance at the center of the center of area for this benchmark cross section and heating tube 10 herein, and the distance at the center of the width between centers heating tube 10 of cross section refers to the center of area of cross section and the distance at the center of heating tube 10 herein.
The heating tube 10 that the embodiment of the utility model first aspect provides, based on the difference that the center of the heating tube 10 of oval ring-type exists to the distance size in its each cross section, the relationship change of size according to S0/D0:Sn/Dn=0.8��1.2 of heating tube 10 is set herein, each cross section on heating tube 10 so can be made even to the heat-transfer capability at the center of heating tube 10, make each cross section from heating tube 10 more similar to the heat distribution state at the center of heating tube 10 like this, namely make the distribution in the elliptical area that the heat of heating tube 10 becomes in this ellipse collar of its place more even, thus improve the heating uniformity of product.
Further, as shown in Figure 4 and Figure 5, heating tube 10 comprises heating pipeline section 11, the first connection pipeline section 121 being connected with the cold junction of heating pipeline section 11, and the 2nd connection pipeline section 122 being connected with the hot junction of heating pipeline section 11.
Further, as shown in Figure 4, the pipeline section 11 that generates heat comprises: the first heating pipeline section 111, the 2nd heating pipeline section 112, the 3rd heating pipeline section 113, the 4th heating pipeline section 114 and the 5th heating pipeline section 115. First heating pipeline section 111 is in oval arc shape; 2nd heating pipeline section 112 is in oval arc shape, and the 2nd heating pipeline section 112 and the first heating pipeline section 111 are positioned on same ellipse, and lay respectively at the both sides of the major axis of this ellipse; 3rd heating pipeline section 113 is positioned at the first heating pipeline section 111 and one end of the 2nd heating pipeline section 112, and the two ends of the 3rd heating pipeline section 113 are connected with the first heating pipeline section 111 and the 2nd heating pipeline section 112 respectively; 4th heating pipeline section 114 and the 5th heating pipeline section 115 are positioned at the first heating pipeline section 111 and the other end of the 2nd heating pipeline section 112, the two ends of the 4th heating pipeline section 114 are connected pipeline section 121 with the first heating pipeline section 111 and first respectively and connect, and the two ends of the 5th heating pipeline section 115 are connected pipeline section 122 with the 2nd heating pipeline section 112 and the 2nd respectively and connect; 3rd heating pipeline section 113 and/or the 4th heating pipeline section 114 and/or the 5th heating pipeline section 115 extend along the axis of ellipse short shaft.
In this embodiment, design the 3rd heating pipeline section 113, at least one in 4th heating pipeline section 114 and the 5th heating pipeline section 115 extends along the axis of ellipse short shaft that (shown in Fig. 4 is the 3rd generate heat pipeline section 113, 4th heating pipeline section 114 and the 5th heating pipeline section 115 extend along the axis of ellipse short shaft simultaneously), and make the 3rd heating pipeline section 113, 4th heating pipeline section 114 and the 5th at least one generated heat in pipeline section 115 are positioned at the first heating pipeline section 111 and the 2nd oval elliptical area surrounded in heating pipeline section 112 place, for simple elliptic heating pipe 10, this design makes the position being originally positioned at oval longitudinal end place on heating pipeline section 11 form the structure shunk to elliptical center direction, this can shorten the distance between the heating pipeline section and the center of ellipse of oval longitudinal end to a certain extent, namely the 3rd heating pipeline section 113 is shortened, 4th heating pipeline section 114 and the 5th heating pipeline section 115 arrive the distance at oval center, so make the 3rd heating pipeline section 113, 4th heating pipeline section 114 and the 5th heating pipeline section 115 points are clipped to the heat distribution state at oval center, with the first heating pipeline section 111, the heat distribution state that 2nd heating pipeline section 112 points is clipped to oval center is more similar, distribution in the elliptical area that the heat that can improve heating pipeline section 11 like this surrounds at this ellipse is more even, thus improve the heating uniformity of product.
Preferably, as shown in Figure 4 and Figure 5, the 4th at least overlapping first connection pipeline section 121 of heating pipeline section 114 the 5th heating pipeline section 115 is connected the length of the caliber sum of pipeline section 122 with the 2nd.
What deserves to be explained is, above-mentioned 4th heating pipeline section 114 generates heat with the 5th, and pipeline section 115 is overlapping refers to generation, during using the first heating pipeline section 111 and the 2nd heating pipeline section 112 place elliptical area that surround of ellipse as horizontal plane benchmark, 4th heating pipeline section 114 and the projection of the 5th heating pipeline section 115 on perpendicular overlap, and both projections in the horizontal plane are not overlapping, in three-dimensional arrangement also and non-intersect.
Owing to the first connection pipeline section and the 2nd connection pipeline section all do not generate heat, and it is perpendicular to the plane at heating pipeline section place, overlapping with the projection of the 5th heating pipeline section 115 on perpendicular by arranging the 4th heating pipeline section 114 in this embodiment, so that heating pipeline section 11 is connected pipeline section with two surrounds the annular almost closed, this can be avoided sternly not causing occurring the problem that heat lacks at opening place because heating tube 10 is closed, in addition, the length of caliber sum of preferably the 4th heating pipeline section 114 and the 5th heating at least overlapping first pipe connecting of pipeline section 115 and the 2nd pipe connecting in this scheme, oval major axis can be set further through the overlapping region of the 4th heating pipeline section 114 and the 5th heating pipeline section 115, the 4th heating pipeline section 114 and the 5th heating pipeline section 115 overlapping part heat is so utilized to concentrate feature, to improve this overlapping part along oval major axis to the heat-transfer capability at the center of ellipse, can avoid occurring the problem of oval center position heat deficiency like this, improve the heating uniformity of product further.
Preferably, as shown in Figure 4 and Figure 5, the cross-sectional area of the 3rd heating pipeline section 113 is greater than the cross-sectional area of at least one in the 4th heating pipeline section 114 and the 5th heating pipeline section 115.
In this embodiment, based on the 4th heating pipeline section 114 and the 5th heating partly overlapping structure design of pipeline section 115, the cross-sectional area arranging the 3rd heating pipeline section 113 herein is greater than the cross-sectional area of at least one in the 4th heating pipeline section 114 and the 5th heating pipeline section 115, make total cross-sectional area of the 4th heating pipeline section and the 5th heating pipeline section overlapping roughly suitable with the cross-sectional area of the 3rd heat-generating pipe, avoid owing to the 4th heating pipeline section 114 and the 5th heating pipeline section 115 overlapping heat are concentrated and the problem of cause the 4th heating pipeline section 114 and the 5th heating heat that transmits to the center of heating tube 10 of pipeline section 115 and the 3rd to generate heat thermal imbalance that pipeline section 113 transmits to the center of heating tube 10 with this, thus avoiding heating tube 10 to occur on the basis of heat disappearance problem, improve the heating uniformity of heating tube 10.
Further, as shown in Figure 4, along the center of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse to the direction (i.e. the opposite direction of the y direction shown in Fig. 4 and y) of its longitudinal end, the first heating pipeline section 111 and the 2nd cross-sectional area generating heat pipeline section 112 reduce gradually.
It is understandable that, for the ellipse arc structure of the first heating pipeline section 111 and the 2nd heating pipeline section 112, along the center of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse to the direction of its longitudinal end, the relative distance between the first heating pipeline section 111 and the 2nd heating pipeline section 112 reduces gradually.
In this embodiment, relative to the scheme that the first heating pipeline section 111 and the 2nd heating pipeline section 112 are uniform cross section pipeline section, it is along the longitudinal end of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse to the direction at its center, owing to the relative distance between the first heating pipeline section 111 and the 2nd heating pipeline section 112 increases, then make the heat that the first heating pipeline section 111 and the 2nd heating pipeline section 112 obviously transmit to the center of ellipse more than both to the heat that the longitudinal end of ellipse is transmitted, thus the heat distribution causing product is uneven. and this scheme designs along the center of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse to the direction (i.e. the opposite direction of the y direction shown in Fig. 4 and y) of its longitudinal end, the cross-sectional area of the first heating pipeline section 111 and the 2nd heating pipeline section 112 reduces gradually, namely for the position of relative close between the first heating pipeline section 111 and the 2nd heating pipeline section 112, the heat-transfer capability of this position to oval major axis is weakened with the cross-sectional area at this position on the 2nd heating pipeline section 112 with relative by reducing the first heating pipeline section 111, this makes between the first heating pipeline section 111 and the 2nd heating pipeline section 112 the less position of relative distance to the heat distribution state of the major axis of ellipse, the position bigger to relative distance between the two is more similar to the heat distribution state of oval major axis, thus make the distribution in the elliptical area that the heat of heating tube 10 surrounds at this ellipse ring more even, improve the heating uniformity of product.
Certainly, this scheme is not limited thereto, and considers from complete processing angle, it is possible to design first heating pipeline section 111 is prismatic pipeline section, and/or design the 2nd heating pipeline section 112 is prismatic pipeline section.
Further, as shown in Figure 4, along the center of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse to the direction (i.e. the opposite direction of the direction of x shown in Fig. 4 and x) of its minor axis end, the 3rd heating pipeline section 113, the 4th heating pipeline section 114 and the 5th cross-sectional area generating heat pipeline section 115 increase gradually.
It is understandable that, for the 3rd heating pipeline section 113, the 4th heating pipeline section 114 and the 5th heating pipeline section 115 along the axially extended structure of minor axis, along the center of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse to the direction of its minor axis end, the distance at the 3rd heating pipeline section 113, the 4th heating pipeline section 114 and the cross section of the 5th heating pipeline section 115 and the center of heating tube 10 increases gradually.
In this embodiment, relative to the 3rd heating pipeline section 113, 4th heating pipeline section 114 and the 5th heating pipeline section 115 are the scheme of uniform cross section pipeline section, along the center of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse to the direction of its minor axis end, 3rd heating pipeline section 113, the distance at the cross section of the 4th heating pipeline section 114 and the 5th heating pipeline section 115 and the center of heating tube 10 increases, this makes the 3rd heating pipeline section 113, the heat that the heat transmitted to the center of heating tube 10 apart from the center proximal most position of heating tube 10 on 4th heating pipeline section 114 and the 5th heating pipeline section 115 obviously transmits to the center of heating tube 10 away from the position at heating tube 10 center more than it, thus the heat distribution causing product is uneven. and this scheme designs along the center of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse to the direction (i.e. the opposite direction of the direction of x shown in Fig. 4 and x) of its minor axis end, 3rd heating pipeline section 113, the cross-sectional area of the 4th heating pipeline section 114 and the 5th heating pipeline section 115 increases gradually, even if the area of the cross section on three increases apart from the increase of the distance at the center of heating tube 10 with this cross section, with this, this position of heating tube 10 caused owing to distance increases is compensated to the reduction of center heat transfer, thus make the distribution in the elliptical area that the heat of heating tube 10 becomes in this ellipse collar more even, further increase the heating uniformity of product.
Certainly, this scheme is not limited thereto, and considers from complete processing angle, it is possible to design the 3rd heating pipeline section 113 is prismatic pipeline section, and/or design the 4th heating pipeline section 114 be prismatic pipeline section, and/or design the 5th generate heat pipeline section 115 be prismatic pipeline section.
As shown in Figure 1 to Figure 3, the embodiment of the utility model second aspect provides a kind of heating chassis 100, comprising: the heat conducting disk 20 of oval shape; With the heating tube 10 described in above-mentioned arbitrary embodiment, described heating tube 10 is arranged in described heat conducting disk 20.
The heating chassis 100 that the utility model second aspect embodiment provides, the heating tube 10 provided by arranging the embodiment of the utility model first aspect, thus there is the whole useful effect that described heating tube 10 has, do not repeat them here.
Preferably, as shown in Figure 1, the 3rd heating pipeline section 113 of heating tube 10 is b/3��2b/3 apart from the distance at the center of heat conducting disk 20; And/or the distance at the center of the 5th heating pipeline section distance heat conducting disk 20 of the 4th heating pipeline section 114 of heating tube 10 and heating tube 10 is b/3��2b/3; Wherein, b is the length of the semi-major axis of heat conducting disk 20.
What deserves to be explained is, semi-major axis described herein refers to the half of the major axis mm' of the ellipse of generation oval heat conducting disk 20, and namely b is the length of O'm or O'm' in Fig. 1.
It is b/3��2b/3 apart from the distance at the center of heat conducting disk 20 that this scheme arranges the 3rd heating pipeline section 113 of heating tube 10, with this to greatest extent by the medium position place between the 3rd heating spacing center in heat conducting disk 20 of pipeline section 113 and the edge of heat conducting disk 20, the 3rd heating center of pipeline section 113 to heat conducting disk 20 and the 3rd can be improved like this and generate heat pipeline section 113 to the heat transfer homogeneity on these two directions, the edge of heat conducting disk 20, improve the uniform heat distribution of product surface with this; Its preferably, the 3rd heating pipeline section 113 is b/2 apart from the distance at the center of heat conducting disk 20.
It is b/3��2b/3 that this scheme arranges the distance at the 4th heating pipeline section 114 of heating tube 10 and the 5th heating pipeline section 115 of heating tube 10 and heat conducting disk 20 center; , it is possible to only the 4th heating pipeline section 114 of restriction heating tube 10 is b/3��2b/3 with the distance at heat conducting disk 20 center, certainly or only the 5th heating pipeline section 115 of restriction heating tube 10 and the distance at heat conducting disk 20 center are b/3��2b/3; So can to greatest extent by the medium position place between the 4th heating pipeline section 114 and the 5th heating spacing center in heat conducting disk 20 of pipeline section 115 and the edge of heat conducting disk 20, the 4th heating center of pipeline section 114 to heat conducting disk 20 and the 5th can be improved like this and generate heat pipeline section 115 to the heat transfer homogeneity on these two directions, the edge of heat conducting disk 20, improve the uniform heat distribution of product surface with this.
Preferably, as shown in Figure 1, length ratio between the minor axis of the first heating pipeline section 111 of heating tube 10 and the 2nd heating pipeline section 112 place ellipse of heating tube 10 and the minor axis of heat conducting disk 20 is 2/5��2/3; Further, the first heating pipeline section 111 of heating tube 10 and the 2nd heating pipeline section 112 of heating tube 10 are about the symmetry of the major axis of heat conducting disk 20.
The length ratio that this scheme is arranged between the minor axis of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse and the minor axis of heat conducting disk 20 is 2/5��2/3, the minor axis of the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse can be avoided so too short and cause the problem that heat conducting disk 20 center heat is too high, heat conducting disk 20 edge heat is too low, and the minor axis that also can avoid the first heating pipeline section 111 and the 2nd heating pipeline section 112 place ellipse crosses long and cause the problem of heat conducting disk 20 center heat deficiency, effectively guarantee the uniform heat distribution of product surface with this.
The embodiment of the utility model third aspect provides a kind of cooking apparatus (not shown), comprising: interior pot; With the heating chassis 100 described in above-mentioned arbitrary embodiment, the heating tube 10 that heating chassis 100 comprises heat conducting disk 20 and is located in described heat conducting disk 20, described heating tube 10 is arranged near the wall surface of described heat conducting disk 20, and described interior pot contacts with the top wall surface of described heat conducting disk 20.
Preferably, heat conducting disk 20 is aluminium dish.
The cooking apparatus that the utility model third aspect embodiment provides, the heating chassis 100 provided by arranging the embodiment of the utility model second aspect, can guarantee the distributing homogeneity of heat on the cross section on heating chassis 100 like this, in addition, this scheme make heating tube 10 arrange near the wall surface of heat conducting disk, and interior pot is contacted with the top wall surface of heat conducting disk, the heat that heating tube 10 can be made like this to produce mainly concentrates on the bottom of heat conducting disk, utilize the high-efficiency heat conduction characteristic of heat conducting disk herein, so that the heat bottom heat conducting disk upwards conducts to the top wall surface of heat conducting disk fast on the vertical section of heat conducting disk, and then it is transmitted on interior pot, this heat that heating tube 10 is sent seems more even in the vertical through redistributing of heat conducting disk, thus further increase the being heated evenly property on interior pot surface.
Can selection of land, cooking apparatus is electricity pressure cooker, electric cooker or electrical boiler.
In sum, the heating tube that the utility model provides, based on the difference that the center of the heating tube of oval ring-type exists to the distance size in its each cross section, the relationship change of size according to S0/D0:Sn/Dn=0.8��1.2 of heating tube is set herein, each cross section on heating tube so can be made even to the heat-transfer capability at the center of heating tube, make each cross section from heating tube more similar to the heat distribution state at the center of heating tube like this, namely make the distribution in the elliptical area that the heat of heating tube becomes in this ellipse collar of its place more even, thus improve the heating uniformity of product, and the heating chassis that the utility model provides and cooking apparatus, because arranging above-mentioned heating tube, there is above whole useful effect.
In the utility model, term " first ", " the 2nd " only object for describing, and instruction or hint relative importance can not be interpreted as; The term such as term " installation ", " being connected ", " connection " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, it is also possible to is removably connect, or connects integratedly; " being connected " can be directly be connected, it is also possible to be indirectly connected by intermediary. For the ordinary skill in the art, it is possible to understand the concrete implication of above-mentioned term in the utility model according to particular case.
In the description of this specification sheets, the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means concrete feature, structure, material or the feature in conjunction with this embodiment or example describe and is contained at least one embodiment of the present utility model or example. In this manual, the schematic representation of above-mentioned term is not necessarily referred to identical embodiment or example. And, the concrete feature of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a heating tube, it is characterised in that, described heating tube is in oval ring-type, and the size of described heating tube meets following relational expression:
S0/D0:Sn/Dn=0.8��1.2;
Wherein, any one cross section of described heating tube is benchmark cross section, and S0 is the area of described benchmark cross section; D0 be described benchmark cross section width between centers described in the distance at center of heating tube;
Sn is the area of other any one cross section except described benchmark cross section on described heating tube;
Dn be other any one cross section except described benchmark cross section on described heating tube width between centers described in the distance at center of heating tube.
2. heating tube according to claim 1, it is characterised in that, comprise heating pipeline section, the first connection pipeline section being connected with the cold junction of described heating pipeline section, and the 2nd connection pipeline section being connected with the hot junction of described heating pipeline section;
Described heating pipeline section comprises:
First heating pipeline section, in oval arc shape;
2nd heating pipeline section, in oval arc shape, described 2nd heating pipeline section and described first heat-generating pipe section are positioned on same ellipse, and lay respectively at the both sides of the major axis of described ellipse;
The 3rd heating pipeline section being positioned at one end of described first heating pipeline section and described 2nd heating pipeline section, the two ends of described 3rd heating pipeline section are connected with described first heating pipeline section and described 2nd heating pipeline section respectively;
It is positioned at the 4th heating pipeline section and the 5th heating pipeline section of the other end of described first heating pipeline section and described 2nd heating pipeline section, the two ends of described 4th heating pipeline section are connected pipeline section with described first heating pipeline section and described first respectively and connect, and the two ends of described 5th heating pipeline section are connected pipeline section with described 2nd heating pipeline section and the described 2nd respectively and connect;
Described 3rd heating pipeline section and/or described 4th heating pipeline section and/or described 5th heating pipeline section extend along the axis of described ellipse short shaft.
3. heating tube according to claim 2, it is characterised in that,
Described 4th heating pipeline section and at least overlapping first connection pipeline section of described 5th heating pipeline section are connected the length of the caliber sum of pipeline section with the 2nd.
4. heating tube according to claim 3, it is characterised in that,
The cross-sectional area of described 3rd heating pipeline section is greater than the cross-sectional area of at least one in described 4th heating pipeline section and the 5th heating pipeline section.
5. heating tube according to claim 2, it is characterised in that,
Along the center of described first heating pipeline section and described 2nd heating pipeline section place ellipse to the direction of its longitudinal end, the cross-sectional area of described first heating pipeline section and described 2nd heating pipeline section reduces gradually.
6. heating tube according to claim 2, it is characterised in that,
Along the center of described first heating pipeline section and described 2nd heating pipeline section place ellipse to the direction of its minor axis end, the cross-sectional area of described 3rd heating pipeline section, described 4th heating pipeline section and described 5th heating pipeline section increases gradually.
7. a heating chassis, it is characterised in that, comprising:
The heat conducting disk of oval shape; With
Heating tube as described in claim 2 to 6 any one, described heating tube is arranged in described heat conducting disk.
8. heating chassis according to claim 7, it is characterised in that,
3rd heating pipeline section of described heating tube is b/3��2b/3 apart from the distance at the center of described heat conducting disk; And/or
4th heating pipeline section of described heating tube and the 5th heating pipeline section of described heating tube are b/3��2b/3 apart from the distance at the center of described heat conducting disk;
Wherein, described b is the length of the semi-major axis of described heat conducting disk.
9. heating chassis according to claim 7, it is characterised in that,
Length ratio between the minor axis of the first heating pipeline section of described heating tube and the 2nd heating pipeline section place ellipse of described heating tube and the minor axis of described heat conducting disk is 2/5��2/3.
10. a cooking apparatus, it is characterised in that, comprising:
Interior pot; With
Heating chassis described in claim 7 to 9 any one, described heating tube is arranged near the wall surface of described heat conducting disk, and described interior pot contacts with the top wall surface of described heat conducting disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132265.3U CN205267894U (en) | 2015-12-29 | 2015-12-29 | Heating pipe, heating chassis and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132265.3U CN205267894U (en) | 2015-12-29 | 2015-12-29 | Heating pipe, heating chassis and cooking utensil |
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| Publication Number | Publication Date |
|---|---|
| CN205267894U true CN205267894U (en) | 2016-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109090990A (en) * | 2017-06-21 | 2018-12-28 | 佛山市顺德区美的电热电器制造有限公司 | Heating dish component and with its cooking apparatus and cooking apparatus control method |
-
2015
- 2015-12-29 CN CN201521132265.3U patent/CN205267894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109090990A (en) * | 2017-06-21 | 2018-12-28 | 佛山市顺德区美的电热电器制造有限公司 | Heating dish component and with its cooking apparatus and cooking apparatus control method |
| CN109090990B (en) * | 2017-06-21 | 2021-04-20 | 佛山市顺德区美的电热电器制造有限公司 | Heating disc assembly, cooking appliance with heating disc assembly and control method of cooking appliance |
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