CN208301506U - A kind of interior pot and cooking apparatus suitable for electromagnetic heating - Google Patents
A kind of interior pot and cooking apparatus suitable for electromagnetic heating Download PDFInfo
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- CN208301506U CN208301506U CN201721035607.9U CN201721035607U CN208301506U CN 208301506 U CN208301506 U CN 208301506U CN 201721035607 U CN201721035607 U CN 201721035607U CN 208301506 U CN208301506 U CN 208301506U
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Abstract
The utility model relates to household appliance technical fields, disclose a kind of interior pot and cooking apparatus suitable for electromagnetic heating.The interior pot includes pot body, and the pot body is the shape of non-equal outer diameters, and is formed with magnetic layer on the outer surface of pot body part below at maximum outside diameter and at the maximum outside diameter.It is high according to the bond strength of metal magnetic conducting layer and pot body in interior pot described in the utility model, and the distinct between magnetic layer and top pot body, smooth transition, good appearance are capable of forming between magnetic layer and pot body.
Description
Technical field
The utility model relates to household appliance technical fields, and in particular to a kind of interior pot and cooking apparatus suitable for electromagnetic heating.
Background technique
Electromagnetic heating penetrates pot body by the magnetic line of force and is heated, and without by heat medium, heat-energy losses are small, therefore,
The heating method that heating has become one of culinary cuisine utensil routine is carried out to cookware by the way of electromagnetic heating.So
And used the interior pot of existing electromagnetic heating utensil (such as electric cooker, electric pressure cooking saucepan etc.) composite board material drawing and forming into
Row processing, such cookware are expensive.
In order to reduce the manufacturing cost for the interior pot for being suitable for electromagnetic heating, had attempted in the prior art through thermal spraying
Mode prepares one layer of magnetic conductive metal layer in the bottom of a pan.But the temperature of thermal spraying is excessively high, and magnetic alloy material is easy to happen oxidation, and gold
Belong to iron wire or iron powder under fusing or semi-molten state, the rate that cookware matrix surface is hit under lower air pressure is lower, shape
At magnetosphere be mainly laid in need through sanding handle the aluminium alloy matrix surface (surface roughness of general aluminium alloy sanding
It is 3~8 μm), iron is difficult to be embedded in matrix, thus thermal spraying iron layer and the binding force of aluminium alloy cookware matrix are poor.Moreover, thermal jet
The spray range for applying technique is difficult to strict control, and other than needing to spray and forming the position of magnetic layer, permeability magnetic material is also easy to
Other positions of pot body are splashed to, so that the forming position boundary of magnetic layer is unintelligible.
Utility model content
The purpose of this utility model is to overcome magnetic layer and pots present in the existing interior pot suitable for electromagnetic heating
Body binding force is poor, and the unsharp defect of forming position boundary of magnetic layer, provide a kind of interior pot suitable for electromagnetic heating and
Its manufacturing method and cooking apparatus.
To achieve the goals above, on the one hand the utility model provides a kind of interior pot suitable for electromagnetic heating, the interior pot
Including pot body, the pot body is the shape of non-equal outer diameters, and the pot below at maximum outside diameter and at the maximum outside diameter
Magnetic layer is formed on the outer surface of body portion.
Preferably, the height of pot body part below accounts for the 20-50% of the pot body total height at the maximum outside diameter,
Preferably 30-45%.
Preferably, in pot body part below, there is at least one section of downward diameter shrinkage part at the maximum outside diameter.
It is highly preferred that at least connecting with the pot body part at maximum outside diameter at the maximum outside diameter in pot body part below
The position connect is downward undergauge.
It is further preferred that the pot body part at the maximum outside diameter at pot body part below and maximum outside diameter passes through magnetic conduction
Layer forms smooth transition.
Preferably, the pot body outer wall of the downward diameter shrinkage part is arc.
It is highly preferred that the circular arc tangential line of the arc and the angle of vertical direction are 0-45 °.
Preferably, the pot body include at least with maximum outside diameter straight drum part and be located at the straight drum part lower part and with
The downward diameter shrinkage part of straight drum part connection.
It is highly preferred that on the pot body outer wall for the downward diameter shrinkage part being connect with the straight drum part, the magnetic layer
Thickness is gradually reduced from top to bottom.
Preferably, the magnetic layer of the interior pot bottom with a thickness of 0.2-0.6 millimeters, preferably 0.2-0.5 millimeters.
Preferably, the magnetic layer is formed by cold spraying.
The utility model second aspect provides a kind of cooking apparatus, which includes described in the utility model suitable
In the interior pot of electromagnetic heating.
Preferably, the cooking apparatus is electric cooker or electric pressure cooking saucepan.
In the interior pot described in the utility model suitable for electromagnetic heating, it configures the structure of pot body to the shape of non-equal outer diameters
Shape, and by the position location at the maximum outside diameter of pot body as spraying magnetic layer, enable magnetic layer with fine limit shape
It is capable of forming on outer surface at pot body below at maximum outside diameter part, and between magnetic layer and pot body outer wall smoothed
It crosses, good appearance.Moreover, in a preferred embodiment, the magnetic layer is formed by cold spraying, it on the one hand can be tight
Lattice control spray range, so that the magnetic layer distinct being formed on pot body outer wall, another aspect magnetic conduction layer material can
To be embedded in pot body, so that having stronger binding force between magnetic layer and pot body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the interior pot provided by the utility model suitable for electromagnetic heating.
Description of symbols
At the maximum outside diameter of 1 pot body, 2 pot body
3 magnetic layers
Specific embodiment
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refers to join
It examines shown in the drawings upper and lower；" inside and outside " refers to the inside and outside of the profile relative to each component itself.
As shown in Figure 1, the interior pot suitable for electromagnetic heating includes pot body 1, the pot body 1 is the non-shape for waiting outer diameters,
And 2 and magnetic layer 3 is formed on the outer surface of 2 pot body parts below at the maximum outside diameter at the maximum outside diameter.
In the present invention, " outer surfaces of 2 pot body parts below at maximum outside diameter " are included in 2 at maximum outside diameter
Pot body outer wall and outer surface of pot bottom below.
In interior pot described in the utility model, it is preferable that the height of 2 pot body parts below at the maximum outside diameter
Account for the 20-50%, preferably 30-45% of 1 total height of pot body.
In interior pot described in the utility model, there is no particular limitation for the concrete shape of the pot body 1, as long as being made non-
The shape of equal outer diameters.In the preferred case, at the maximum outside diameter in 2 pot body parts below, there is at least one section
Downward diameter shrinkage part.The downward diameter shrinkage part can be one section, be also possible to two sections or more.At the maximum outside diameter 2 with
Under pot body part in, when the downward diameter shrinkage part be two sections or more when, the outer diameter of superposed downward diameter shrinkage part is big
It is greater than the outer diameter of the downward diameter shrinkage part positioned at lower part on body.At the maximum outside diameter in 2 pot body parts below, when described
When downward diameter shrinkage part is one section, 2 pot body parts below can be outer diameter from top to bottom and gradually contract at the maximum outside diameter
Small structure is also possible to the structure being composed of downward undergauge structure with equal outside diameter structures.
In the case where further preferably, at the maximum outside diameter in 2 pot body parts below, at least with maximum outside diameter at
The position of 2 pot body part connection is downward undergauge, enables the maximum from pot body outside to pot body part below
Enough form good smooth transition.
It is further preferred that the pot body part at maximum outside diameter at pot body part below and maximum outside diameter passes through magnetic conduction
Layer forms smooth transition.That is, in appearance, not turning significantly from the maximum outside diameter to pot body below
Folding, to obtain beautiful shape.
In the present invention, there is no particular limitation for the set-up mode of the pot body outer wall of the downward diameter shrinkage part.?
Under preferable case, the pot body outer wall of the downward diameter shrinkage part is arc.It is further preferred that the circular arc tangential line of the arc with
The angle of vertical direction is 0-45 °.
A kind of preferred embodiment according to the present utility model, the pot body 1 include at least the straight tube with maximum outside diameter
Part and positioned at the straight drum part lower part and the downward diameter shrinkage part that is connect with the straight drum part.In the preferred embodiment,
The magnetic layer 3 is formed on the pot body outer wall below the straight drum part.It is further preferred that the magnetic layer 3 makes institute
It states straight drum part and the downward diameter shrinkage part forms smooth transition, to show beautiful shape.It is further preferred that
On the pot body outer wall for the downward diameter shrinkage part connecting with the straight drum part, the thickness of the magnetic layer 3 is from top to bottom gradually
Reduce.
For the interior pot of above-mentioned preferred embodiment, in the pot body 1, can also match on the top of the straight drum part
Set upward diameter shrinkage part, or the lower part of the downward diameter shrinkage part be arranged one or more snippets downward diameter shrinkage part, etc. outer diameters
Part or downwards diameter shrinkage part with etc. outer radius portions combination.
In a kind of most preferred embodiment, as shown in Figure 1, the interior pot includes superposed straight drum part and position
In the bottom of a pan part of lower part, the outer diameter of the straight drum part is maximum outside diameter, and the outer diameter of the bottom of a pan part is less than the straight tube
Partial outer diameter, and from the straight drum part to the bottom of a pan part, down from the junction of the two, outer diameter is gradually reduced
(i.e. downward undergauge).Magnetic layer 3 is formed on the outer surface of the bottom of a pan part (i.e. downward diameter shrinkage part) namely magnetic layer is formed in
At maximum outside diameter on the outer surface of pot body part below.Pass through the magnetic conduction between the straight drum part and the pot bottom point
Layer 3 forms smooth transition.On the side wall of the bottom of a pan part, the thickness of the magnetic layer 3 is gradually reduced from top to bottom.
In the present invention, 3 thickness of magnetic layer of the interior pot bottom can be 0.2-0.6 millimeters, specifically, such as
Can for 0.2 millimeter, 0.25 millimeter, 0.3 millimeter, 0.31 millimeter, 0.32 millimeter, 0.33 millimeter, 0.34 millimeter, 0.35 millimeter,
0.36 millimeter, 0.37 millimeter, 0.38 millimeter, 0.39 millimeter, 0.4 millimeter, 0.41 millimeter, 0.42 millimeter, 0.43 millimeter, 0.44 milli
Rice, 0.45 millimeter, 0.46 millimeter, 0.47 millimeter, 0.48 millimeter, 0.49 millimeter, 0.5 millimeter, 0.51 millimeter, 0.52 millimeter,
0.53 millimeter, 0.54 millimeter, 0.55 millimeter, 0.56 millimeter, 0.57 millimeter, 0.58 millimeter, 0.59 millimeter, 0.6 millimeter and this
The arbitrary value in range that any two in a little point values are constituted.It is further preferred that the magnetic conduction thickness of the interior pot bottom
Degree is 0.2-0.5 millimeters, further preferably 0.3-0.45 millimeters.When the magnetic layer thickness of the interior pot bottom is in above range
When interior, on the basis of ensuring that the interior cookware has preferable electromagnetic heating effect, be conducive to the magnetic layer 3 formed it is smoothed
It crosses.
In preferred embodiments of the present invention, the magnetic layer 3 is formed by cold spraying.In the preferred implementation
In mode, on the one hand can with strict control spray range, so that the magnetic layer distinct being formed on pot body outer surface,
Another aspect magnetic conduction layer material can be embedded in pot body, so that having stronger binding force between magnetic layer and pot body.
In the present invention, the material for forming the magnetic layer 3 can be the permeability magnetic material of this field routine, such as can
Think in iron, nickel, cobalt, ferroaluminium, mild steel, 430 stainless steels, nickel alumin(i)um alloy, dilval, ferrocobalt and ferro-silicium
At least one.The mild steel refers to that carbon content is lower than the carbon steel of 0.25 weight %.
In the present invention, the pot body material of the interior pot can be the conventional selection of this field, such as can be this
The non magnetic or soft magnetically permeable material of field routine.In a preferred embodiment, in order to cooperate the magnetic layer 3 obtain compared with
Good electromagnetic heating effect, the material of the pot body is selected from aluminium (such as 3003 aluminiums), aluminium alloy or stainless steel, and (such as 304 is stainless
Steel).
In the present invention, the interior pot can also include the non-sticking lining being formed on inner surface of pot body.It is described not
Adhesive coating layer can be formed by conventional non-sticking lining material, can such as be formed by polytetrafluoroethylene (PTFE).
In the present invention, the interior pot can also have the inner surface of polishing.
In the present invention, the manufacturing method of the interior pot suitable for electromagnetic heating may include:
(1) pot body is formed by stretching and punching, the pot body is formed as into the non-shape for waiting outer diameters；
(2) pot body is made to rotate centered on central axis, by described in Spray gun for cold spray perpendicular alignmnet
The bottom of pot body is simultaneously displaced outwardly from the pot body center, so that at the maximum outside diameter of the pot body and described maximum outer
Magnetic layer is formed on the outer surface of pot body part below at diameter.
In step (1), the process of the stretching and punching can use the stretching and punching process implementing of this field routine.It is logical
The pot body is formed as the shape of non-equal outer diameters by overstretching punching course, for such pot body, in conjunction with subsequent cold spraying
Technique, advantageously forms the magnetic layer of distinct, and is formed by between magnetic layer and pot body and seamlessly transits, beautiful outline form
It sees.
In step (2), the implementation condition of the cold spraying can be as shown in table 1 below.
Table 1
In the present invention, the process of the cold spraying can be implemented according to scheme one: pot body being fixed on and is changed a job certainly
It loads onto, sets manipulator, spray range is interior pot bottom center at side wall maximum radius, is adopted in the state of pot rotation inside
It is sprayed with above-mentioned parameter condition；It can also implement according to scheme two: pot body being fixed on from rotating tooling, machinery is set
Hand, spray range are that interior pot bottom centre distance is to arrive at d (the preferably 8-40% of the bottom of a pan radius, more preferably 10-30%)
At side wall maximum radius, sprayed in the state of pot rotation using above-mentioned parameter condition inside.
In the present invention, the method can also include: before carrying out cold spraying to pot body, to the appearance of pot body
Face (the especially outer surface of the bottom of a pan part of pot body) carries out degreasing, oil removal treatment.
In the present invention, the method can also include: and carry out after forming magnetic layer to the inner surface of pot body
Spray the surface treatment such as non-sticking lining or polishing.
The utility model additionally provides a kind of cooking apparatus, and the cooking apparatus includes provided by the utility model suitable for electricity
The interior pot of magnetic heating.Preferably, the cooking apparatus is electric cooker or electric pressure cooking saucepan.
The utility model is described in further details with comparative example by the following examples.
Embodiment 1
By 3003 aluminium sheet stretching and punchings, the pot with superposed straight drum part and the bottom of a pan part positioned at lower part is obtained
Body, the diameter of straight drum part are 220 millimeters, and the diameter in the bottom of a pan is 180 millimeters, the ratio between straight drum part and the height of the bottom of a pan part
Outer diameter for 3:1, the bottom of a pan part is gradually reduced from top to bottom, and the side wall of the bottom of a pan part is arc, and the circular arc tangential line of arc with
The angle of vertical direction is 0-45 °.Degreasing, oil removal treatment are carried out to the outer surface of pot body later.Then pot body is fixed on certainly
On rotating tooling, manipulator is set, spray range is interior pot bottom center at pot body side wall maximum radius, inside pot rotation
Cold spraying is carried out using Parameter Conditions shown in the following table 2 under state, thus pot A1 in being made.
Embodiment 2
By 3003 aluminium sheet stretching and punchings, the pot with superposed straight drum part and the bottom of a pan part positioned at lower part is obtained
Body, the diameter of straight drum part are 217 millimeters, and the diameter in the bottom of a pan is 160 millimeters, the ratio between straight drum part and the height of the bottom of a pan part
Outer diameter for 3.5:1, the bottom of a pan part is gradually reduced from top to bottom, and the side wall of the bottom of a pan part is arc, and the circular arc tangential line of arc
Angle with vertical direction is 0-45 °.Degreasing, oil removal treatment are carried out to the outer surface of pot body later.Then pot body is fixed on
From rotating tooling, manipulator is set, spray range is interior pot bottom center at pot body side wall maximum radius, pot rotation inside
In the state of using Parameter Conditions shown in the following table 2 carry out cold spraying, thus pot A2 in being made.
Embodiment 3
By 3003 aluminium sheet stretching and punchings, the pot with superposed straight drum part and the bottom of a pan part positioned at lower part is obtained
Body, the diameter of straight drum part are 210 millimeters, and the ratio between straight drum part and height of the bottom of a pan part are 2:1, the outer diameter of the bottom of a pan part from
Top to bottm is gradually reduced, and the diameter in the bottom of a pan is 165 millimeters, and the side wall of the bottom of a pan part is arc, and the circular arc tangential line of arc with
The angle of vertical direction is 0-45 °.Degreasing, oil removal treatment are carried out to the outer surface of pot body later.Then pot body is fixed on certainly
On rotating tooling, manipulator is set, spray range is that interior pot bottom centre distance is to arrive at side wall maximum radius at 30 millimeters,
Cold spraying is carried out using Parameter Conditions shown in the following table 2 in the state of interior pot rotation, thus pot A3 in being made.
Table 2
Comparative example 1
Pot in manufacturing according to the method for embodiment 1, the difference is that the method for spraying is hot spray process, technological parameter is such as
Shown in the following table 3, thus pot D1 in being made.
Table 3
| Control project | Standard |
| Voltage | 30V |
| Electric current | 150A |
| Compressed air pressure | 0.4MPa |
| Spray distance | 200mm |
| Tooling revolving speed | 100r/min |
| Film thickness | 400μm |
| Wire feed rate | 3.0m/min |
| Time | 3min |
Comparative example 2
Pot in manufacturing according to the method for embodiment 1, the difference is that prepared pot body is straight-tube shape, and cold spraying
Spray range include bottom of pot body and from bottom to side wall 1/5 height range, thus pot D2 in being made.
Test case
(1) the interior metal magnetic conducting layer of pot and the bond strength of pot body, specific test method are detected according to baige method are as follows: use and draw
Lattice device draws 2mm in interior pot bottom meson knife2Small 100 lattice of lattice, in grid diagonal direction, with Japanese adhesive plaster or 3M company
SCOTCHNO898 adhesive plaster clings glaze layer, and immediately after with 90 ° of angles of vertical coating surface, quick pull-up adhesive plaster cannot have after test
The glaze layer of any 1 small lattice is completely fallen off, and evaluates bond strength by observing the lattice number that metal magnetic conducting layer falls off.
(2) whether the boundary in observing between the magnetic layer and top pot body of pot is clear.
(3) smooth transition whether is formed between the magnetic layer and pot body of pot in observing.
Testing result is as shown in table 4 below.
Table 4
| Bond strength (lattice) | Whether magnetic layer boundary is clear | Whether formation seamlessly transits | |
| Embodiment 1 | 0 | Clearly | It is |
| Embodiment 2 | 0 | Clearly | It is |
| Embodiment 3 | 0 | Clearly | It is |
| Comparative example 1 | 20 | Clearly | It is no |
| Comparative example 2 | 0 | It is unintelligible | It is no |
According to metal in interior pot described in the utility model it can be seen from the test result of above-described embodiment and comparative example
The bond strength of magnetic layer and pot body is high, and the distinct between magnetic layer and top pot body, energy between magnetic layer and pot body
It is enough to form smooth transition, good appearance.
Preferred embodiments of the present invention are described in detail above, still, the utility model is not limited to this.At this
In the range of the technology design of utility model, a variety of simple variants can be carried out to the technical solution of the utility model, including each
Technical characteristic is combined with any other suitable method, these simple variants and combination equally should be considered as the utility model
Disclosure of that belongs to the protection scope of the utility model.
Claims (12)
1. a kind of interior pot suitable for electromagnetic heating, which includes pot body, which is characterized in that the pot body is the non-shape for waiting outer diameters
Shape, and magnetic layer is formed on the outer surface of pot body part below at maximum outside diameter and at the maximum outside diameter.
2. interior pot according to claim 1, which is characterized in that the height of pot body part below at the maximum outside diameter
Account for the 20-50% of the pot body total height.
3. interior pot according to claim 1, which is characterized in that at the maximum outside diameter in pot body part below, tool
There is at least one section of downward diameter shrinkage part.
4. interior pot according to claim 3, which is characterized in that at the maximum outside diameter in pot body part below, at least exist
The position connecting with the pot body part at maximum outside diameter is downward undergauge.
5. interior pot according to claim 4, which is characterized in that pot body part below and maximum outside diameter at maximum outside diameter
The pot body part at place is formed by magnetic layer and is seamlessly transitted.
6. interior pot according to claim 3, which is characterized in that the pot body outer wall of the downward diameter shrinkage part is arc.
7. interior pot according to claim 6, which is characterized in that the circular arc tangential line of the arc and the angle of vertical direction are
0-45°。
8. interior pot according to any one of claims 1-7, which is characterized in that the pot body, which includes at least, has maximum
The straight drum part of outer diameter and positioned at the straight drum part lower part and the downward diameter shrinkage part that is connect with the straight drum part.
9. interior pot according to claim 8, which is characterized in that in the downward diameter shrinkage part being connect with the straight drum part
On pot body outer wall, the thickness of the magnetic layer is gradually reduced from top to bottom.
10. interior pot according to any one of claims 1-7, which is characterized in that the magnetic layer of the interior pot bottom
With a thickness of 0.2-0.6 millimeters.
11. interior pot according to any one of claims 1-7, which is characterized in that the magnetic layer passes through cold spraying
It is formed.
12. a kind of cooking apparatus, which is characterized in that the cooking apparatus includes interior described in any one of claim 1-11
Pot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035607.9U CN208301506U (en) | 2017-08-17 | 2017-08-17 | A kind of interior pot and cooking apparatus suitable for electromagnetic heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035607.9U CN208301506U (en) | 2017-08-17 | 2017-08-17 | A kind of interior pot and cooking apparatus suitable for electromagnetic heating |
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| Publication Number | Publication Date |
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| CN208301506U true CN208301506U (en) | 2019-01-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109393987A (en) * | 2017-08-17 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | A kind of interior pot and its manufacturing method and cooking apparatus suitable for electromagnetic heating |
| CN113116120A (en) * | 2019-12-31 | 2021-07-16 | 佛山市顺德区美的电热电器制造有限公司 | Container and cooking utensil |
-
2017
- 2017-08-17 CN CN201721035607.9U patent/CN208301506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109393987A (en) * | 2017-08-17 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | A kind of interior pot and its manufacturing method and cooking apparatus suitable for electromagnetic heating |
| CN113116120A (en) * | 2019-12-31 | 2021-07-16 | 佛山市顺德区美的电热电器制造有限公司 | Container and cooking utensil |
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