CN207285862U - A kind of cooker of electromagnetic heating - Google Patents
A kind of cooker of electromagnetic heating Download PDFInfo
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- CN207285862U CN207285862U CN201720425353.5U CN201720425353U CN207285862U CN 207285862 U CN207285862 U CN 207285862U CN 201720425353 U CN201720425353 U CN 201720425353U CN 207285862 U CN207285862 U CN 207285862U
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Abstract
Cooker field is the utility model is related to, discloses the cooker and its manufacture method of a kind of electromagnetic heating.The cooker includes cooker matrix (1) and the magnetic layer (2) being formed at least part outer surface of the cooker matrix (1), wherein, on the interface that the cooker matrix (1) contacts with the magnetic layer (2), the material of the magnetic layer (2) is embedded in the cooker matrix (1) with continuous laciniation.The manufacture method includes：Magnaglo is sprayed at least part outer surface of cooker matrix by air force spraying process to form magnetic layer, and alternatively on the magnetic layer form antirust coat.In cooker according to method described in the utility model manufacture there is stronger combination power between magnetic layer and cooker matrix.
Description
Technical field
Cooker field is the utility model is related to, more particularly to a kind of cooker of electromagnetic heating.
Background technology
The materials such as aluminium alloy, 304 stainless steels are using very extensive in household electronic products, but these are non magnetic or weak lead
The electromagnetic heating function of the cookware of magnetic material is undesirable.The existing process of pot is mostly using explosion weldering or the side of Pressure Welding in IH
Formula inlays 430 stainless sheet steels in aluminum alloy surface, by 430 stainless steel of magnetism of cookware appearance high-frequency alternating magnetic field work
With carrying out sensing heating under the eddy current effect of lower formation.But the technical process is more complicated, cost is higher.Further, it is also possible to pass through
Thermal spraying, such as the mode such as electric arc or plasma spraying, prepare one layer of magnetic conductive metal layer in pot bottom, realize the electricity of these cookwares
Magnetic heating function.But the temperature of thermal spraying is excessive, and magnetic alloy material easily aoxidizes, and metal iron wire or iron powder are melting
Or under semi-molten state, the speed of shock cookware matrix surface is relatively low under relatively low air pressure, and the magnetosphere of formation mainly tiles
In the aluminium alloy matrix surface (surface roughness of general aluminium alloy sanding is 3~8 μm) for needing to handle through sanding, iron is difficult to embedding
Enter matrix, thus thermal spraying iron layer and the combination power of aluminium alloy cookware matrix are poor.
Utility model content
The purpose of this utility model is to overcome in the cooker of existing electromagnetic heating between magnetic layer and cooker matrix
Combination power it is poor the defects of, there is provided the cooker and its manufacture method of a kind of electromagnetic heating.
To achieve these goals, on the one hand the utility model provides a kind of cooker of electromagnetic heating, which includes
Cooker matrix and the magnetic layer being formed at least part outer surface of the cooker matrix, wherein, the cooker matrix with
On the interface of the magnetic layer contact, the material of the magnetic layer is embedded in the cooker matrix with continuous laciniation.
Preferably, the maximum height difference between the tooth top of the laciniation and bottom of the tooth is 10-80 microns.
Preferably, the facewidth of the laciniation is 10-80 microns.
Preferably, the thickness of the magnetic layer is 0.1-0.6 millimeters.
Preferably, the magnetic layer is formed in the bottom of the cooker matrix, or is formed in the bottom of the cooker matrix
Portion and with the side wall of bottom contiguous.
Preferably, the magnetic layer is formed by magnetic ferroalloy.It is highly preferred that the magnetic ferroalloy closes for Fe-C
At least one of gold, Fe-Si alloys and Fe-Mn alloys, and the Fe contents in the magnetic ferroalloy for 95 weight % with
On.
Preferably, the material of the cooker matrix is non magnetic or soft magnetically permeable material, is more preferably aluminium alloy or 304 not
Become rusty steel.
Preferably, the cooker further includes the antirust coat being formed at least part surface of the magnetic layer.
On the other hand the utility model provides a kind of method for the cooker for manufacturing above-mentioned electromagnetic heating, this method includes：
Magnaglo is sprayed at least part outer surface of cooker matrix to form magnetic layer by air force spraying process, and
Alternatively antirust coat is formed on the magnetic layer.
Preferably, the particle diameter of the Magnaglo is 10-50 microns.
Preferably, the implementation condition of the air force spraying process includes：Injection pressure is 1-5MPa, and jet length is
10-50 millimeters, gas heating-up temperature is 200-1000 DEG C.
In the cooker of the electromagnetic heating provided by the utility model, at the interface that cooker matrix is contacted with magnetic layer
On, the material of magnetic layer is embedded in continuous laciniation in cooker matrix so as to have between magnetic layer and cooker matrix
There is stronger combination power (up to 30-50MPa), it can be ensured that magnetic layer is difficult to come off or bursts apart.
Brief description of the drawings
Fig. 1 is the partial structural diagram of cooker described in the utility model；
Fig. 2 is the close-up schematic view of the cooker shown in Fig. 1；
Fig. 3 is the close-up schematic view of the interface contacted in the cooker shown in Fig. 2 between magnetic layer and cooker matrix.
Description of reference numerals
1 cooker matrix, 2 magnetic layer
3 antirust coats
Embodiment
In the utility model, in the case where not making conversely explanation, the noun of locality such as " upper and lower " used typically refers to join
Examine shown in the drawings upper and lower；" inside and outside " refers to the inside and outside of the profile relative to each component in itself.
As shown in Figs. 1-3, the cooker of electromagnetic heating described in the utility model includes cooker matrix 1 and is formed in described cook a meal
Have the magnetic layer 2 at least part outer surface of matrix 1, wherein, on the boundary that the cooker matrix 1 is contacted with the magnetic layer 2
On face, the material of the magnetic layer 2 is embedded in the cooker matrix 1 with continuous laciniation.
In term " continuous laciniation ", " continuous " refers to that each sawtooth of laciniation is continuously to arrange
, it there is no that platform-like (namely lamellar) exists between two neighboring sawtooth；" zigzag " refers to that the insertion of magnetic layer 2 is cooked a meal
Has the shape sawtooth like shape of the part in matrix 1, zigzag here is not limited to the sawtooth on stringent geometric meaning
The combination of shape or various similar jagged irregular shapes.
In the utility model, the maximum height difference (△ H) between the tooth top and bottom of the tooth of the laciniation is preferably
10-80 microns, that is to say, that the depth in the material insertion cooker matrix 1 of magnetic layer 2 is preferably 10-80 microns, specifically,
Such as can be 10 microns, 15 microns, 20 microns, 25 microns, 30 microns, 35 microns, 40 microns, 45 microns, 50 microns, it is 55 micro-
In the scope that any two in rice, 60 microns, 65 microns, 70 microns, 75 microns, 80 microns and these point values is formed
Arbitrary value.It is further preferred that the maximum height difference between the tooth top and bottom of the tooth of the laciniation is 15-70 microns, more
Preferably 20-70 microns, be still more preferably 20-60 microns.
In the utility model, the facewidth (△ L) of the laciniation is preferably 10-80 microns, specifically, such as can
Think 10 microns, 15 microns, 20 microns, 25 microns, 30 microns, 35 microns, 40 microns, 45 microns, 50 microns, 55 microns, 60
It is any in the scope that any two in micron, 65 microns, 70 microns, 75 microns, 80 microns and these point values is formed
Value.It is further preferred that the facewidth of the laciniation is 20-60 microns, more preferably 20-50 microns.The zigzag
The facewidth of structure refers to the horizontal distance between two neighboring bottom of the tooth.
In the utility model, the thickness of the magnetic layer 2 can be 0.05-1 millimeters, specifically, such as can be
0.05 millimeter, 0.08 millimeter, 0.1 millimeter, 0.12 millimeter, 0.15 millimeter, 0.18 millimeter, 0.2 millimeter, 0.23 millimeter, 0.25 milli
Rice, 0.28 millimeter, 0.3 millimeter, 0.33 millimeter, 0.35 millimeter, 0.38 millimeter, 0.4 millimeter, 0.43 millimeter, 0.45 millimeter, 0.48
Millimeter, 0.5 millimeter, 0.53 millimeter, 0.55 millimeter, 0.58 millimeter, 0.6 millimeter, 0.65 millimeter, 0.7 millimeter, 0.8 millimeter, 0.9
Arbitrary value in the scope that any two in millimeter, 1 millimeter and these point values is formed.It is further preferred that described lead
The thickness of magnetosphere 2 is 0.1-0.6 millimeters, is preferably 0.3-0.6 millimeters.
In the utility model, the forming position of the magnetic layer 2 can determine in the way of this area is conventional, example
Such as, the magnetic layer 2 is formed in the bottom of the cooker matrix 1, or is formed in the bottom and and bottom of the cooker matrix 1
On adjacent side wall.In more preferably embodiment, the magnetic layer 2 be formed in the cooker matrix 1 bottom and with bottom
On the side wall of portion's adjoining, and it is formed in the magnetic layer of bottom and the continuous structure of the magnetic layer being formed on side wall composition.Upper
State in preferred embodiment, the height of the magnetic layer formed on side wall accounts for more than the 5% of the cooker matrix total height, excellent
Elect more than 10% as, more preferably more than 15%, it is still more preferably more than 20%, is most preferably 20-60%.
In the utility model, the magnetic layer 2 can be formed by the magnetic material of this area routine.In preferable case
Under, the magnetic layer 2 is formed by magnetic ferroalloy.The magnetic ferroalloy can be Fe-C alloys, Fe-Si alloys and
At least one of Fe-Mn alloys.In the magnetic ferroalloy, Fe contents can be more than 95 weight %, be preferably 95-
99.5 weight %, more preferably 96-99 weight %, further preferred 96-98.5 weight %.
In the utility model, the material of the cooker matrix 1 can be the conventional selection of this area, such as can be this
The non magnetic or soft magnetically permeable material of field routine.In a preferred embodiment, in order to coordinate the magnetic layer 2 obtain compared with
Good electromagnetic heating effect, the material of the cooker matrix 1 are selected from aluminium alloy or 304 stainless steels.
In the utility model, the combination power of the magnetic layer 2 and the cooker matrix 1 can be 30-50MPa, specifically
Ground, for example, can be 30MPa, 31MPa, 32MPa, 33MPa, 34MPa, 35MPa, 36MPa, 37MPa, 38MPa, 39MPa,
40MPa, 41MPa, 42MPa, 43MPa, 44MPa, 45MPa, 46MPa, 47MPa, 48MPa, 49MPa, 50MPa and these point values
In the scope that is formed of any two in arbitrary value.Preferably, the combination power of the magnetic layer 2 and the cooker matrix 1
For 35-50MPa, more preferably 37-45MPa.In the utility model, the combination power of magnetic layer 2 and cooker matrix 1 according to《GB/
The test of T 8642-2002 thermal spraying resisting binding strengths》Defined method detection.
In the utility model, as shown in Figs. 1-3, the cooker can also include being formed in the magnetic layer 2 at least
Antirust coat 3 on part surface.Under preferable case, the antirust coat 3 is completely covered on the magnetic layer 2.The antirust coat 3
Thickness can be 0.02-0.08 millimeter, preferably 0.03-0.05 millimeters.The antirust coat 3 can be prevented by this area is conventional
The single or multi-layer structure that rust coating material is formed.The rust-proof coating material can for example be selected from silicones, fluororesin, epoxy
At least one of resin and resin combination containing aluminium powder or zinc powder, are preferably fluororesin and/or containing aluminium powder or zinc powder
Resin combination.
In the utility model, the cooker of the electromagnetic heating can be electric pressure cooking saucepan, electric cooker, baking machine, frying pan, sand
The various conventional cook utensils heated using battery such as pot, electromagnetic oven.
The method of the cooker of the manufacture electromagnetic heating provided by the utility model includes：Will by air force spraying process
Magnaglo is sprayed at least part outer surface of cooker matrix to form magnetic layer, and alternatively on the magnetic layer
Form antirust coat.
In the utility model, the method for forming the magnetic layer is air force spraying process, also referred to as cold spray process, should
Substantially non-oxidation, Magnaglo can be in the speed close to twice of velocity of sound under high-speed pneumatic in the magnetic layer that spraying method is formed
Cooker matrix is hit under rate, thus coating has very high compactness, and sawtooth can also be knocked out on the surface of cooker matrix
Structure so that magnetic layer and cooker matrix can form very strong combination power.
In the utility model, there are specific dimensions (i.e. between tooth top and bottom of the tooth in order to be formed on the cooker matrix
Maximum height difference and the facewidth) laciniation, the particle diameter of the Magnaglo is preferably 10-50 microns, more preferably
10-40 microns, more preferably 20-40 microns.The Magnaglo can be the magnetic ferroalloy being described above.
In the utility model, the implementation condition of the air force spraying process can include：Injection pressure is 1-5MPa,
Jet length is 10-50 millimeters, and gas heating-up temperature is 200-1000 DEG C.In a preferred embodiment, the air moves
The implementation condition of power spraying process includes：Working gas is nitrogen, helium or the mixed gas of the two, and injection pressure is 1-5MPa,
Gas heating-up temperature is 200-1000 DEG C, gas velocity 1-2m3/ min, powder feed rate 5-15kg/h, jet length
For 10-50 millimeters, consumption power is 5-25kW, and powder size is 10-50 microns.For the injection pressure, specifically, such as
Can be 1MPa, 1.5MPa, 2MPa, 2.1MPa, 2.2MPa, 2.3MPa, 2.4MPa, 2.5MPa, 2.6MPa, 2.7MPa,
2.8MPa、2.9MPa、3MPa、3.1MPa、3.2MPa、3.3MPa、3.4MPa、3.5MPa、3.6MPa、3.7MPa、3.8MPa、
Arbitrary value in the scope that any two in 3.9MPa, 4MPa, 4.5MPa, 5MPa and these point values is formed.Preferably,
The injection pressure is 2-4MPa.Herein, pressure refers to absolute pressure.For the gas heating-up temperature, specifically, example
Such as can be 200 DEG C, 300 DEG C, 400 DEG C, 450 DEG C, 500 DEG C, 550 DEG C, 600 DEG C, 650 DEG C, 700 DEG C, 750 DEG C, 800 DEG C, 850
DEG C, 900 DEG C, the arbitrary value in the scope that is formed of any two in 1000 DEG C and these point values.Preferably, the gas
Heating-up temperature is 500-900 DEG C, more preferably 600-800 DEG C.Specifically, such as can be 10 millis for the jet length
Appointing in rice, 15 millimeters, 20 millimeters, 25 millimeters, 30 millimeters, 35 millimeters, 40 millimeters, 45 millimeters, 50 millimeters and these point values
Arbitrary value in two scopes formed of anticipating.Preferably, the jet length is 20-50 millimeters, more preferably 30-50 millis
Rice.
In the utility model, the method for the manufacture cooker can also include：Cold spraying is being carried out (i.e. to cooker matrix
Air force sprays) before, oil removing and ungrease treatment are carried out to the cooker matrix, keep the spatter property on its surface.
A kind of preferred embodiment according to the present utility model, the method for the manufacture cooker comprise the following steps：
(1) oil removing and ungrease treatment are carried out to the surface of cooker matrix, keeps the spatter property on its surface；
(2) Magnaglo is sprayed into extremely by the cooker matrix after step (1) processing using air force spraying process
On small part outer surface (being preferably bottom or bottom plus side wall), magnetic layer is formed on cooker matrix；
(3) the cooker matrix formed with magnetic layer is subjected to oil removing and ungrease treatment, then the rust prevention by applying liquid material on magnetic layer
Protective coating.
The utility model is described in further details with comparative example by the following examples.
Embodiment 1-6
Oil removing and ungrease treatment are carried out to the surface of cooker matrix, keep the spatter property on its surface.Sprayed using air force
Magnaglo is sprayed into the bottom of cooker matrix to form magnetic layer by coating.Cooker matrix formed with magnetic layer is removed
Oil and ungrease treatment, then the rust prevention by applying liquid material protective coating on magnetic layer.Wherein, the implementation condition in air force spraying process
And Magnaglo is as shown in table 1.With reference to《GB/T15748-1995 quantitative metallography craft assay methods》Detection forms sawtooth
Maximum height difference (△ H) between the facewidth (△ L) and tooth top and bottom of the tooth of shape structure；According to《GB/T 8642-2002 thermal jets
Apply the test of resisting binding strength》Combination power between defined method detection magnetic layer and cooker matrix, testing result such as table 2
It is shown.
Comparative example 1
Method according to embodiment 1 prepares cooker, the difference is that forming the spraying process of magnetic layer using thermal spraying
Method is implemented.According to《The test of GB/T 8642-2002 thermal spraying resisting binding strengths》Defined method detects magnetic layer with cooking a meal
Has the combination power between matrix, testing result is as shown in table 2.
Table 1
Table 2
| Numbering | △H/μm | △L/μm | Combination power/MPa of magnetic layer and matrix |
| Embodiment 1 | 21 | 22 | 37 |
| Embodiment 2 | 25 | 24 | 39 |
| Embodiment 3 | 31 | 30 | 42 |
| Embodiment 4 | 42 | 42 | 38 |
| Embodiment 5 | 53 | 51 | 44 |
| Embodiment 6 | 58 | 56 | 45 |
| Comparative example 1 | - | - | 23 |
According to magnetic layer in the cooker of method described in the utility model manufacture with cooking a meal it can be seen from the data of upper table 2
There is stronger combination power between tool matrix.
The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment, can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the utility model, as long as it is not disobeyed
The thought of the utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (10)
1. a kind of cooker of electromagnetic heating, it is characterised in that the cooker includes cooker matrix (1) and is formed in the cooker matrix
(1) magnetic layer (2) at least part outer surface, wherein, contacted in the cooker matrix (1) with the magnetic layer (2)
On interface, the material of the magnetic layer (2) is embedded in the cooker matrix (1) with continuous laciniation.
2. cooker according to claim 1, it is characterised in that the maximum between the tooth top and bottom of the tooth of the laciniation
Difference in height is 10-80 microns.
3. cooker according to claim 2, it is characterised in that the maximum between the tooth top and bottom of the tooth of the laciniation
Difference in height is 20-60 microns.
4. cooker according to claim 1, it is characterised in that the facewidth of the laciniation is 10-80 microns.
5. cooker according to claim 4, it is characterised in that the facewidth of the laciniation is 20-60 microns.
6. cooker according to claim 1, it is characterised in that the thickness of the magnetic layer (2) is 0.1-0.6 millimeters.
7. cooker according to claim 6, it is characterised in that the thickness of the magnetic layer (2) is 0.3-0.6 millimeters.
8. according to the cooker described in any one in claim 1-7, it is characterised in that the magnetic layer (2) is formed in described
The bottom of cooker matrix (1), or be formed in the cooker matrix (1) bottom and with the side wall of bottom contiguous.
9. according to the cooker described in any one in claim 1-7, it is characterised in that the cooker further include be formed in it is described
Antirust coat (3) at least part surface of magnetic layer (2).
10. cooker according to claim 9, it is characterised in that the thickness of the antirust coat (3) is 0.02-0.08 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425353.5U CN207285862U (en) | 2017-04-21 | 2017-04-21 | A kind of cooker of electromagnetic heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425353.5U CN207285862U (en) | 2017-04-21 | 2017-04-21 | A kind of cooker of electromagnetic heating |
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| Publication Number | Publication Date |
|---|---|
| CN207285862U true CN207285862U (en) | 2018-05-01 |
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ID=62271588
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|---|---|---|---|
| CN201720425353.5U Active CN207285862U (en) | 2017-04-21 | 2017-04-21 | A kind of cooker of electromagnetic heating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334382A (en) * | 2017-04-21 | 2017-11-10 | 佛山市顺德区美的电热电器制造有限公司 | The cooker and its manufacture method of a kind of Electromagnetic Heating |
| CN111018489A (en) * | 2019-12-16 | 2020-04-17 | 王安华 | Bone china material for non-stick cookers, application of bone china material, non-stick cookers and manufacturing method of non-stick cookers |
-
2017
- 2017-04-21 CN CN201720425353.5U patent/CN207285862U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334382A (en) * | 2017-04-21 | 2017-11-10 | 佛山市顺德区美的电热电器制造有限公司 | The cooker and its manufacture method of a kind of Electromagnetic Heating |
| CN107334382B (en) * | 2017-04-21 | 2024-01-12 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating cooker and manufacturing method thereof |
| CN111018489A (en) * | 2019-12-16 | 2020-04-17 | 王安华 | Bone china material for non-stick cookers, application of bone china material, non-stick cookers and manufacturing method of non-stick cookers |
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