CN107874640B - Inner container for steaming and baking equipment and oven with inner container - Google Patents
Inner container for steaming and baking equipment and oven with inner container Download PDFInfo
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- CN107874640B CN107874640B CN201711405675.4A CN201711405675A CN107874640B CN 107874640 B CN107874640 B CN 107874640B CN 201711405675 A CN201711405675 A CN 201711405675A CN 107874640 B CN107874640 B CN 107874640B
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- wall surface
- inner container
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- side wall
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
Abstract
The invention discloses an inner container for steaming and baking equipment and an oven. The inner wall surface of the inner container comprises a left side wall surface, a right side wall surface, a rear wall surface, a top wall surface and a bottom wall surface, and each inner wall surface of the inner container is a curved surface with a concave middle part towards the direction far away from the inner cavity of the inner container. According to the steaming and baking equipment provided by the invention, at least part of the inner wall surface of the inner container is formed into a curved surface, and the airflow field in the inner container is improved through the curved surface design, so that the problem of non-uniform temperature field of the existing oven is fundamentally solved, the temperature field in the inner cavity of the inner container is more uniform, and the baking effect of the steaming and baking equipment is greatly improved.
Description
Technical Field
The invention relates to the field of steaming and baking equipment, in particular to an inner container for steaming and baking equipment and an oven with the inner container.
Background
An oven is a sealed electric appliance for baking food or drying products, which is widely used in home as well as industrial production. Conventional home ovens include various types including benchtop, built-in, and the like. The inside temperature field of current oven is inhomogeneous to influence the effect of toasting, cause the food taste after toasting not good enough, the problem that the partial region of food burnt and the partial region is half-cooked even appears, in addition, there are a lot of health dead angles in the inner wall of oven inner bag, impurity such as greasy dirt that produces in the baking process is deposited very easily and is difficult to clear up in the health dead angle, influences user's use comfort.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an inner container for a steaming and baking device with a uniform temperature field and an oven with the inner container.
In order to achieve the above purpose, on one hand, the invention adopts the following technical scheme:
an inner container for steaming and baking equipment, wherein the inner wall surface of the inner container comprises a left side wall surface, a right side wall surface, a rear wall surface, a top wall surface and a bottom wall surface, each inner wall surface of the inner container is formed into a curved surface with the middle part depressed towards the direction far away from the inner cavity of the inner container, annular airflow is formed in the inner container, the curved surface is a spherical surface, and the relation between the radius r of the spherical surface forming the curved surface and the volume L of the inner container is L/r between 0.05 and 0.15;
a difference between a maximum distance and a minimum distance between the left side wall surface and the right side wall surface is 10 to 20 mm; and/or the presence of a gas in the gas,
the difference between the maximum distance and the minimum distance between the top wall surface and the bottom wall surface is 33-43 mm; and/or the presence of a gas in the gas,
the difference between the maximum distance and the minimum distance between the rear wall surface and the front end surface of the inner container is 30-40 mm.
Preferably, the curved surface is gradually concave from the outer edge to the geometric center towards the direction far away from the inner cavity of the inner container.
Preferably, at least two adjacent inner wall surfaces are smoothly connected through a transition curved surface.
Preferably, any two adjacent inner wall surfaces of the three adjacent inner wall surfaces are smoothly connected through the transition curved surface.
Preferably, three adjacent inner wall surfaces form three transition curved surfaces, wherein at least two transition curved surfaces are smoothly connected through a connecting curved surface.
Preferably, the position where the three transition curved surfaces meet is formed as a spherical surface, and the spherical surface constitutes the connecting curved surface.
Preferably, the transition curved surface is a portion of a cylindrical surface.
Preferably, the relation between the radius R of the cylindrical surface and the volume L of the inner container is 2.4-2.6.
Preferably, the inner container is surrounded by plates, and the plates are steel plates, preferably cold-rolled steel plates; and/or the presence of a gas in the gas,
the thickness of the plate is 0.4-0.8 mm, preferably 0.6 mm; and/or the presence of a gas in the gas,
the inner surface of the plate is coated with an enamel coating
On the other hand, the invention adopts the following technical scheme:
an oven comprises the inner container.
According to the steaming and baking equipment provided by the invention, each inner wall surface of the inner container is formed into a curved surface with the middle part depressed towards the direction far away from the inner cavity of the inner container, and the airflow field in the inner container is improved through the curved surface design, so that the problem of uneven temperature field of the existing oven is fundamentally solved, the temperature field in the inner cavity of the inner container is more uniform, and the baking effect of the steaming and baking equipment is greatly improved.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of an inner container according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a second liner according to an embodiment of the present invention;
FIG. 3 illustrates a schematic view of the airflow field in the inner chamber of the liner provided by an embodiment of the present invention;
fig. 4a and 4b are schematic diagrams illustrating comparison between an airflow field at a junction of three inner walls of a conventional inner container and an airflow field at a junction of three inner walls of the inner container according to an embodiment of the present invention;
FIG. 5 illustrates a front view of the inner bladder provided by the embodiment of the present invention.
In the figure, 1, left side wall surface; 2. a right side wall surface; 3. a rear wall surface; 4. a top wall surface; 5. a bottom wall surface; 6. a transition curved surface; 7. and connecting the curved surfaces.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, and components have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The directions of left, right, top, bottom, back and the like are all the directions of the steaming and baking equipment in a use state, when a user faces the door side of the steaming and baking equipment, one side close to the user is front, and the other side far away from the user is back.
The inner container for the steaming and baking equipment can be applied to equipment with baking function or steam box, such as an oven, a micro-steaming and baking integrated machine, a microwave oven with oven function and the like, and particularly to steaming and baking equipment with larger volume. As shown in fig. 1 and 2, the inner container is formed into a shell structure with an open front, the inner wall surfaces of the inner container comprise a left side wall surface 1, a right side wall surface 2, a rear wall surface 3, a top wall surface 4 and a bottom wall surface 5, at least one part of the inner wall surface is formed into a curved surface, and the curved surface design can improve the airflow field in the inner container, so that the problem of non-uniform temperature field of the existing oven is fundamentally solved, the temperature field in the inner cavity of the inner container is more uniform, and the baking effect of the steaming and baking equipment is greatly improved.
The curved surface is formed into a surface which is recessed from the middle part to the direction far away from the inner cavity of the inner container or the direction close to the inner cavity of the inner container, the uniform flow effect on the air flow can be realized in all directions by the integral bending mode, and preferably, the curved surface is formed into a surface which is recessed from the middle part to the direction far away from the inner cavity of the inner container, so that the volume of the inner container can be improved while the air flow field is improved. For example, the curved surface may be recessed from the outer edge thereof toward the geometric center thereof in a direction away from the inner cavity of the inner container, so as to form an integrally recessed curved surface, preferably a spherical surface, and for example, the curved surface may also be a part of a cylindrical surface. The curved surface is preferably set to be a spherical surface or a cylindrical surface which are relatively regular, on one hand, the processing of the inner container is convenient, and on the other hand, the airflow field can be homogenized more.
The curvature radius of the curved surface is not too large or too small, the too large curvature radius can influence the air flow distribution in the middle of the inner cavity of the inner container, the too small curvature radius cannot homogenize the air flow field, preferably, when the curved surface is formed into a spherical surface, the relation between the spherical radius r and the volume L of the inner container is that L/r is 0.05-0.15, and further preferably 0.1; when the curved surface is formed as a part of a cylindrical surface, the relationship between the radius r of the cylindrical surface and the volume L of the inner container is 0.05 to 0.15, and more preferably 0.1.
In order to obtain the optimal air flow distribution in the inner cavity of the liner, the present application further optimizes the structure and size of the inner wall surface of the liner, and referring to fig. 5, the maximum distance between the left side wall surface 1 and the right side wall surface 2 is L1, the minimum distance between the left side wall surface 1 and the right side wall surface 2 is L2, the preferable range of the difference between L1 and L2 is 10 to 20mm, further preferably 13 to 17mm, further preferably 15mm, the maximum distance between the top wall surface 4 and the bottom wall surface 5 is H1, the minimum distance between the top wall surface 4 and the bottom wall surface 5 is H2, the preferable range of the difference between H1 and H2 is 33 to 43mm, further preferably 36 to 40mm, further preferably 38mm, the maximum distance between the rear wall surface 3 and the front end surface of the liner is W1, the minimum distance between the rear wall surface 3 and the front end surface of the liner is W2, and the difference between W1 and W2 is 30 to 40mm, further preferably 33 to 37mm, the preferable selection is 35mm, and the air flow field in the inner cavity of the inner container is further optimized by reasonably setting the radian of each direction of the inner container.
The inner wall surface provided with the curved surface can be one or more, the inner wall surface can be arranged according to specific requirements, part of the inner wall surface can be formed into the curved surface, and more preferably, the whole inner wall surface is formed into the curved surface, so that the optimization of an airflow flow field is further improved, in one embodiment, the bottom wall surface 5 is formed into the curved surface, and the middle part of the bottom wall surface is preferably formed into the curved surface which is sunken towards the direction far away from the inner cavity of the liner, so that water, oil stains and the like falling onto the bottom wall surface can be collected in the middle part of the bottom wall surface 5 under the guiding action of the curved surface while the airflow flow field is optimized, and the liner is convenient; in another embodiment, the left side wall surface 1, the rear wall surface 3, and the right side wall surface 2 are formed in curved surfaces so as to homogenize the gas flow in a direction around the plumb line, and in another embodiment, the top wall surface 4, the left side wall surface 1, the bottom wall surface 5, and the right side wall surface 2 are formed in curved surfaces so as to homogenize the gas flow in a direction around the horizontal central axis of the inner bag. In a further preferred embodiment, the left side wall surface 1, the right side wall surface 2, the rear wall surface 3, the top wall surface and the bottom wall surface 4 are all formed into curved surfaces, and further preferably, as shown in fig. 1 and fig. 2, the middle parts of the left side wall surface 1, the right side wall surface 2, the rear wall surface 3, the top wall surface and the bottom wall surface 4 are formed into curved surfaces which are recessed towards the direction far away from the inner cavity of the inner container, so that as shown in fig. 3, annular airflow can be formed in the inner container, the airflow can circularly flow along the direction a in fig. 3 along the direction of the top wall surface 4, the left side wall surface 1, the bottom wall surface 5 and the rear wall surface 3, and can also circularly flow along the direction B in fig. 3 along the direction of the left side wall surface 1, the rear wall surface 3, the right side wall surface 2.
Preferably, the adjacent inner wall surfaces are smoothly connected through the transition curved surface 6, so that the effects of reducing airflow resistance and optimizing airflow field can be achieved, the sanitary dead angle of the inner container can be reduced, and a user can clean the inner wall surfaces of the inner container conveniently. The curved transitional surface 6 is preferably a rounded corner with a large radius R, so as to facilitate cleaning and ensure an optimization effect on the airflow field, for example, the curved transitional surface 6 is a part of a cylindrical surface, and the relationship between the radius R of the cylindrical surface and the volume L of the liner is L/R ═ 2.4 to 2.6, and is further preferably 2.5, and of course, the radius R of the cylindrical surface cannot be too large, and too large will affect the volume of the liner.
Further, as shown in fig. 4a, since the three adjacent inner wall surfaces are most prone to accumulate dirt and are not easy to clean, and the airflow causes a large amount of attenuation at the corner, based on this, preferably, of the three adjacent inner wall surfaces (for example, the rear wall surface 3, the right side wall surface 2, and the bottom wall surface 5 in fig. 1), any two adjacent inner wall surfaces are smoothly connected through the transition curved surface 6, so as to ensure the convenience of optimization and cleaning of the airflow field at the intersection of the three inner wall surfaces.
It is further preferred that two adjacent transition curved surfaces 6 are smoothly connected through a connecting curved surface 7, so that, as shown in fig. 4b, the airflow can smoothly turn when passing through the corner, the energy attenuation is little, and in addition, because the corner is transitionally connected through the connecting curved surface 7 similar to a round corner, the cleaning is very convenient, thereby eliminating the sanitary dead angle. In a preferred embodiment, three adjacent inner wall surfaces form three transition curved surfaces 6, for example, as shown in fig. 4b, the rear wall surface 3, the right side wall surface 2 and the bottom wall surface 5 are adjacent to each other in pairs and connected to each other in pairs, and each two adjacent wall surfaces are smoothly connected to each other through the transition curved surfaces 6, so as to form three transition curved surfaces 6, the three transition curved surfaces 6 are simultaneously transitionally connected by the connection curved surface 7 at the position where the three transition curved surfaces 6 meet, and the connection curved surface 7 is preferably spherical, so that the processing is convenient, and an optimal airflow field can be obtained. The relation between the radius R of the spherical surface and the volume L of the liner is 2.4 to 2.6, and more preferably 2.5.
Preferably, the inner bag that this application provided is enclosed by many panel, and panel forms the curved plate, can form through mode such as die-casting, rolling, because the panel is crooked shape, there is stress concentration scheduling problem easily, and to this problem, this application has carried out the selection to the material of panel, and the preferred range of the thickness of panel is 0.4 to 0.8mm, and more preferably 0.6mm, and the panel adopts the steel sheet, and more preferably cold-rolled steel sheet BTC 1. In addition, in order to conveniently clean oil stains, the inner surface of the plate is coated with an enamel coating.
According to the steaming and baking equipment provided by the invention, at least part of the inner wall surface of the inner container is formed into a curved surface, and the airflow field in the inner container is improved through the curved surface design, so that the problem of non-uniform temperature field of the existing oven is fundamentally solved, the temperature field in the inner cavity of the inner container is more uniform, and the baking effect of the steaming and baking equipment is greatly improved. In addition, the adjacent inner wall surfaces are smoothly connected through a transition curved surface, so that the airflow field can be further optimized, the sanitary dead angle of the liner is eliminated, and the liner is convenient for a user to clean.
To above-mentioned inner bag, this application still provides an oven, especially embedded oven, and the food color and luster that the temperature field is even, bake out is even and convenient clearance.
Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the invention.
Claims (4)
1. The inner container for the steaming and baking equipment is characterized in that the inner wall surface of the inner container comprises a left side wall surface, a right side wall surface, a rear wall surface, a top wall surface and a bottom wall surface, each inner wall surface of the inner container is formed into a curved surface with the middle part depressed towards the direction far away from the inner cavity of the inner container, annular airflow is formed in the inner container, and the curved surface is a spherical surface;
a difference between a maximum distance and a minimum distance between the left side wall surface and the right side wall surface is 10 to 20 mm; the difference between the maximum distance and the minimum distance between the top wall surface and the bottom wall surface is 33-43 mm; the difference between the maximum distance and the minimum distance between the rear wall surface and the front end surface of the inner container is 30-40 mm;
in the three adjacent inner wall surfaces, any two adjacent inner wall surfaces are smoothly connected through the transition curved surface, the three adjacent inner wall surfaces form three transition curved surfaces, the intersection position of the three transition curved surfaces forms a spherical connecting curved surface, and the transition curved surface is a part of a cylindrical surface;
the inner container is surrounded by plates, the thickness of the plates is 0.4-0.8 mm, and the inner surfaces of the plates are coated with enamel coatings.
2. The liner of claim 1, wherein the curved surface is gradually concave from the outer edge toward the geometric center thereof in a direction away from the liner cavity.
3. The liner according to claim 1 or 2, wherein the plate is a steel plate.
4. An oven, characterized in that it comprises a liner as claimed in one of claims 1 to 3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405675.4A CN107874640B (en) | 2017-12-22 | 2017-12-22 | Inner container for steaming and baking equipment and oven with inner container |
| PCT/CN2018/102169 WO2019119848A1 (en) | 2017-12-22 | 2018-08-24 | Liner for roasting equipment and oven provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405675.4A CN107874640B (en) | 2017-12-22 | 2017-12-22 | Inner container for steaming and baking equipment and oven with inner container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107874640A CN107874640A (en) | 2018-04-06 |
| CN107874640B true CN107874640B (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711405675.4A Active CN107874640B (en) | 2017-12-22 | 2017-12-22 | Inner container for steaming and baking equipment and oven with inner container |
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| Country | Link |
|---|---|
| CN (1) | CN107874640B (en) |
| WO (1) | WO2019119848A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107874640B (en) * | 2017-12-22 | 2020-01-10 | 珠海格力电器股份有限公司 | Inner container for steaming and baking equipment and oven with inner container |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209090937U (en) * | 2017-12-22 | 2019-07-12 | 珠海格力电器股份有限公司 | Scorch equipment liner and the oven with it |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB394337A (en) * | 1931-12-21 | 1933-06-21 | Gas Light & Coke Co | Improvements in or relating to heating, warming and/or cooking appliances |
| JP2007046852A (en) * | 2005-08-11 | 2007-02-22 | Mitsubishi Electric Corp | Cooker |
| CN104622311A (en) * | 2013-11-11 | 2015-05-20 | 广东美的厨房电器制造有限公司 | Oven and liner assembly thereof |
| CN104042123B (en) * | 2014-04-22 | 2016-07-06 | 李坚南 | Environmental protection electric baking box |
| CN204708661U (en) * | 2015-05-06 | 2015-10-21 | 李文庆 | A kind of can the electric oven of even baking temperature |
| CN106580071A (en) * | 2017-02-09 | 2017-04-26 | 东莞市天倬电器有限公司 | Steam oven |
| CN107485304A (en) * | 2017-09-22 | 2017-12-19 | 东莞市天倬电器有限公司 | A kind of cavity and Steam roaster applied to Steam roaster |
| CN107874640B (en) * | 2017-12-22 | 2020-01-10 | 珠海格力电器股份有限公司 | Inner container for steaming and baking equipment and oven with inner container |
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2017
- 2017-12-22 CN CN201711405675.4A patent/CN107874640B/en active Active
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2018
- 2018-08-24 WO PCT/CN2018/102169 patent/WO2019119848A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209090937U (en) * | 2017-12-22 | 2019-07-12 | 珠海格力电器股份有限公司 | Scorch equipment liner and the oven with it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107874640A (en) | 2018-04-06 |
| WO2019119848A1 (en) | 2019-06-27 |
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