CN107334382A - The cooker and its manufacture method of a kind of Electromagnetic Heating - Google Patents
The cooker and its manufacture method of a kind of Electromagnetic Heating Download PDFInfo
- Publication number
- CN107334382A CN107334382A CN201710267188.XA CN201710267188A CN107334382A CN 107334382 A CN107334382 A CN 107334382A CN 201710267188 A CN201710267188 A CN 201710267188A CN 107334382 A CN107334382 A CN 107334382A
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- cooker
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- microns
- magnetic
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000010438 heat treatment Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229910002551 Fe-Mn Inorganic materials 0.000 claims description 3
- 229910017082 Fe-Si Inorganic materials 0.000 claims description 3
- 229910017112 Fe—C Inorganic materials 0.000 claims description 3
- 229910017133 Fe—Si Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000007751 thermal spraying Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000010288 cold spraying Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- -1 fluororesin Polymers 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005088 metallography Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- 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
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/12—Applying particulate materials
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The present invention relates to cooker field, the cooker and its manufacture method of a kind of Electromagnetic Heating are disclosed.The cooker includes cooker matrix (1) and forms the magnetic layer (2) 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.There is stronger adhesion in the cooker manufactured according to the method described in the present invention between magnetic layer and cooker matrix.
Description
Technical field
The present invention relates to cooker field, more particularly to the cooker and its manufacture method of a kind 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 pan of magnetic material is undesirable.The existing process of pot is mostly using blast weldering or the side of Pressure Welding in IH
Formula inlays 430 stainless sheet steels in aluminum alloy surface, by the stainless steel of magnetic 430 of pan 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, one layer of magnetic conductive metal layer is prepared in pot bottom, realizes the electricity of these pans
Magnetic heating function.But the temperature of thermal spraying is too high, and magnetic alloy material easily aoxidizes, and metal iron wire or iron powder are melting
Or under semi-molten state, the speed of shock pan 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 adhesion of aluminium alloy pan matrix are poor.
The content of the invention
Knot in cooker the invention aims to overcome existing Electromagnetic Heating between magnetic layer and cooker matrix
The defects of poor with joint efforts, there is provided the cooker and its manufacture method of a kind of Electromagnetic Heating.
To achieve these goals, one aspect of the present invention provides a kind of cooker of Electromagnetic Heating, and the cooker includes cooker
Matrix and form magnetic layer at least part outer surface of the cooker matrix, wherein, the cooker matrix with it is described
On the interface of 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 at the bottom of the cooker matrix
Portion and with the side wall of bottom contiguous.
Preferably, the magnetic layer is formed by the ferroalloy of magnetic.It is highly preferred that the ferroalloy of the magnetic closes for Fe-C
At least one of gold, Fe-Si alloys and Fe-Mn alloys, and the Fe contents in the ferroalloy of the magnetic be 95 weight % with
On.
Preferably, the material of the cooker matrix be non magnetic or soft magnetically permeable material, more preferably aluminium alloy or 304 not
Become rusty steel.
Preferably, the cooker also includes forming the antirust coat at least part surface of the magnetic layer.
Another aspect of the present invention provides a kind of method for the cooker for manufacturing above-mentioned Electromagnetic Heating, and this method includes：Pass through
Magnaglo is sprayed at least part outer surface of cooker matrix to form magnetic layer by air force spraying process, and optional
Ground forms antirust coat 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 are 200-1000 DEG C.
In the cooker of the Electromagnetic Heating provided by the invention, on the interface that cooker matrix contacts with magnetic layer, make
The material of magnetic layer is embedded in cooker matrix with continuous laciniation so that is had between magnetic layer and cooker matrix stronger
Adhesion (up to 30-50MPa), it can be ensured that magnetic layer is difficult to come off or burst apart.
Brief description of the drawings
Fig. 1 is the partial structural diagram of cooker of the present invention；
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
The magnetic layer of 1 cooker matrix 2
3 antirust coats
Embodiment
In the present invention, in the case where not making opposite explanation, the noun of locality such as " upper and lower " used is typically referred to reference to attached
It is upper and lower shown in figure；" inside and outside " refers to the inside and outside of the profile relative to each part in itself.
As Figure 1-3, the cooker of Electromagnetic Heating of the present invention includes cooker matrix 1 and formed in the cooker base
Magnetic layer 2 at least part outer surface of body 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.
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) is present 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 strict geometric meaning
The combination of shape or various similar jagged irregular shapes.
In the present invention, the maximum height difference between the tooth top of the laciniation and bottom of the tooth (△ H) is preferably 10-80
Micron, 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
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 maximum height difference between the tooth top and bottom of the tooth of the laciniation is 15-70 microns, more preferably
It is still more preferably 20-60 microns for 20-70 microns.
In the present invention, the facewidth (△ L) of the laciniation 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, 55 microns, 60 microns,
Arbitrary value in the scope that any two in 65 microns, 70 microns, 75 microns, 80 microns and these point values is formed.Enter
Preferably, the facewidth of the laciniation is 20-60 microns, more preferably 20-50 microns to one step.The laciniation
The facewidth refers to the horizontal range between two neighboring bottom of the tooth.
In the present invention, the thickness of the magnetic layer 2 can be 0.05-1 millimeters, specifically, such as can be 0.05 milli
Rice, 0.08 millimeter, 0.1 millimeter, 0.12 millimeter, 0.15 millimeter, 0.18 millimeter, 0.2 millimeter, 0.23 millimeter, 0.25 millimeter, 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 millimeter, 1
Arbitrary value in the scope that any two in millimeter and these point values is formed.It is further preferred that the magnetic layer 2
Thickness is 0.1-0.6 millimeters, preferably 0.3-0.6 millimeters.
In the present invention, the forming position of the magnetic layer 2 can determine in the way of this area is conventional, for example, institute
State magnetic layer 2 to be formed in the bottom of the cooker matrix 1, or formed in the bottom of the cooker matrix 1 and and bottom contiguous
Side wall on.In more preferably embodiment, the magnetic layer 2 is formed in the bottom of the cooker matrix 1 and adjacent with bottom
In the side wall connect, and the magnetic layer formed in bottom forms continuous structure with the magnetic layer formed in side wall.Above-mentioned excellent
In the embodiment of choosing, the height of the magnetic layer formed in side wall accounts for more than the 5% of the cooker matrix total height, is preferably
More than 10%, more preferably more than 15%, it is still more preferably more than 20%, most preferably 20-60%.
In the present invention, the magnetic layer 2 can be formed by the conventional magnetic material in this area.In the preferred case, institute
Magnetic layer 2 is stated to be formed by the ferroalloy of magnetic.The ferroalloy of the magnetic can be that Fe-C alloys, Fe-Si alloys and Fe-Mn are closed
At least one of gold.In the ferroalloy of the magnetic, Fe contents can be more than 95 weight %, and preferably 95-99.5 is heavy
Measure %, more preferably 96-99 weight %, further preferred 96-98.5 weight %.
In the present invention, the material of the cooker matrix 1 can be the conventional selection of this area, such as can be this area
Conventional non magnetic or soft magnetically permeable material.In a preferred embodiment, in order to coordinate the magnetic layer 2 to obtain preferably
Electromagnetic Heating effect, the material of the cooker matrix 1 are selected from aluminium alloy or 304 stainless steels.
In the present invention, the adhesion of the magnetic layer 2 and the cooker matrix 1 can be 30-50MPa, specifically, example
Such as can be 30MPa, 31MPa, 32MPa, 33MPa, 34MPa, 35MPa, 36MPa, 37MPa, 38MPa, 39MPa, 40MPa,
Appointing in 41MPa, 42MPa, 43MPa, 44MPa, 45MPa, 46MPa, 47MPa, 48MPa, 49MPa, 50MPa and these point values
Arbitrary value in two scopes formed of anticipating.Preferably, the adhesion of the magnetic layer 2 and the cooker matrix 1 is 35-
50MPa, more preferably 37-45MPa.In the present invention, the adhesion of magnetic layer 2 and cooker matrix 1 according to《GB/T 8642-
The test of 2002 thermal spraying resisting binding strengths》Defined method detection.
In the present invention, as Figure 1-3, the cooker can also include forming at least part in the magnetic layer 2
Antirust coat 3 on surface.Under preferable case, the antirust coat 3 is completely covered on the magnetic layer 2.The thickness of the antirust coat 3
Degree can be 0.02-0.08 millimeters, preferably 0.03-0.05 millimeters.The antirust coat 3 can be applied by the conventional antirust in this area
The single or multiple lift structure that layer material is formed.The antirust coat material can for example be selected from silicones, fluororesin, epoxy resin
And at least one of resin combination containing aluminium powder or zinc powder, preferably fluororesin and/or the resin containing aluminium powder or zinc powder
Composition.
In the present invention, the cooker of the Electromagnetic Heating can be electric pressure cooking saucepan, electric cooker, baking machine, frying pan, marmite,
The various conventional cook utensils heated using battery such as electromagnetic oven.
The method of the cooker of the manufacture Electromagnetic Heating provided by the invention includes：By air force spraying process by magnetic
To form magnetic layer on powder spray at least part outer surface of cooker matrix, and alternatively formed on the magnetic layer
Antirust coat.
In the present invention, the method for forming the magnetic layer is air force spraying process, also referred to as cold spray process, the spraying
Substantially non-oxidation, Magnaglo can be under the speed close to twice of velocity of sound under high-speed pneumatic in the magnetic layer that method is formed
Cooker matrix is hit, thus coating has very high compactness, and broached-tooth design can also be knocked out on the surface of cooker matrix,
Magnetic layer is enabled to form very strong adhesion with cooker matrix.
In the present invention, there are specific dimensions (i.e. between tooth top and bottom of the tooth most in order to be formed on the cooker matrix
Big difference in height and the facewidth) laciniation, the particle diameter of the Magnaglo is preferably 10-50 microns, more preferably 10-40
Micron, more preferably 20-40 microns.The Magnaglo can be the ferroalloy for the magnetic being described above.
In the present invention, the implementation condition of the air force spraying process can include：Injection pressure is 1-5MPa, injection
Distance is 10-50 millimeters, and gas heating-up temperature is 200-1000 DEG C.In a preferred embodiment, the air force spray
The implementation condition of coating 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 10-
50 millimeters, consumption power is 5-25kW, and powder size is 10-50 microns.For the injection pressure, specifically, such as can be with
For 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、3.9MPa、
Arbitrary value in the scope that any two in 4MPa, 4.5MPa, 5MPa and these point values is formed.Preferably, the spray
Injection pressure is 2-4MPa.Herein, pressure refers to absolute pressure.For the gas heating-up temperature, specifically, such as can be with
For 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 temperature
Spend for 500-900 DEG C, more preferably 600-800 DEG C.Specifically, such as can be 10 millimeters, 15 millis for the jet length
Any two institute in rice, 20 millimeters, 25 millimeters, 30 millimeters, 35 millimeters, 40 millimeters, 45 millimeters, 50 millimeters and these point values
Arbitrary value in the scope of composition.Preferably, the jet length is 20-50 millimeters, more preferably 30-50 millimeters.
In the present invention, the method for the manufacture cooker can also include：Cold spraying (i.e. air is being carried out to cooker matrix
Dynamic spraying) before, oil removing and ungrease treatment are carried out to the cooker matrix, keep the spatter property on its surface.
A preferred embodiment of the invention, 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 present invention 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》Adhesion 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, except that, the spraying process of magnetic layer is formed 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 adhesion between matrix, testing result is as shown in table 2.
Table 1
Table 2
| Numbering | △H/μm | △L/μm | Adhesion/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 |
Magnetic layer and cooker base in the cooker manufactured according to the method described in the present invention it can be seen from the data of upper table 2
There is stronger adhesion between body.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
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 present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (11)
1. a kind of cooker of Electromagnetic Heating, it is characterised in that the cooker includes cooker matrix (1) and 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, wherein, the maximum height difference between the tooth top and bottom of the tooth of the laciniation
For 10-80 microns.
3. cooker according to claim 1, wherein, the facewidth of the laciniation is 10-80 microns.
4. cooker according to claim 1, wherein, the thickness of the magnetic layer (2) is 0.1-0.6 millimeters.
5. according to the cooker described in any one in claim 1-4, wherein, the magnetic layer (2) is formed in the cooker base
The bottom of body (1), or formed in the side wall in the bottom of the cooker matrix (1) and with bottom contiguous.
6. according to the cooker described in any one in claim 1-4, wherein, the magnetic layer (2) by magnetic ferroalloy shape
Into；
Preferably, the ferroalloy of the magnetic is at least one of Fe-C alloys, Fe-Si alloys and Fe-Mn alloys, and described
Fe contents in the ferroalloy of magnetic are more than 95 weight %.
7. according to the cooker described in any one in claim 1-4, wherein, the material of the cooker matrix (1) is non magnetic
Or soft magnetically permeable material, preferably aluminium alloy or 304 stainless steels.
8. according to the cooker described in any one in claim 1-4, wherein, the cooker also includes being formed in the magnetic layer
(2) antirust coat (3) at least part surface.
9. a kind of method of the cooker in manufacturing claims 1-8 described in any one, this method include：Sprayed by air force
Magnaglo is sprayed at least part outer surface of cooker matrix to form magnetic layer by coating, and is alternatively led described
Antirust coat is formed on magnetosphere.
10. according to the method for claim 9, wherein, the particle diameter of the Magnaglo is 10-50 microns.
11. according to the method for claim 9, wherein, the implementation condition of the air force spraying process includes：Spray pressure
For 1-5MPa, jet length is 10-50 millimeters, and gas heating-up temperature is 200-1000 DEG C.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267188.XA CN107334382B (en) | 2017-04-21 | 2017-04-21 | Electromagnetic heating cooker and manufacturing method thereof |
| KR1020170151434A KR20180118501A (en) | 2017-04-21 | 2017-11-14 | An electromagnetic heating cooker and a method for manufacturing the same |
| JP2018015561A JP6681418B2 (en) | 2017-04-21 | 2018-01-31 | Cookware for electromagnetic heating and method of manufacturing the same |
| KR1020190006201A KR102193594B1 (en) | 2017-04-21 | 2019-01-17 | An electromagnetic heating cooker and a method for manufacturing the same |
| JP2020051874A JP7061637B2 (en) | 2017-04-21 | 2020-03-23 | Manufacturing method of cooking utensils for electromagnetic heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267188.XA CN107334382B (en) | 2017-04-21 | 2017-04-21 | Electromagnetic heating cooker and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107334382A true CN107334382A (en) | 2017-11-10 |
| CN107334382B CN107334382B (en) | 2024-01-12 |
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| CN106435564A (en) * | 2016-11-14 | 2017-02-22 | 北京联合涂层技术有限公司 | Electromagnetic coating of high-performance cooker and manufacturing method of electromagnetic coating |
| CN207285862U (en) * | 2017-04-21 | 2018-05-01 | 佛山市顺德区美的电热电器制造有限公司 | A kind of cooker of electromagnetic heating |
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| US4544818A (en) * | 1982-07-29 | 1985-10-01 | Asahi Giken Kogyo Kabushiki Kaisha | Cooking utensil for induction cooking apparatus |
| DE4015442A1 (en) * | 1990-05-14 | 1991-11-21 | Klusendick Theodor Gmbh & Co | Cooking utensil with grooved bottom - has V-shaped grooves with pref. 45 deg. angle to base surface |
| DE4405101A1 (en) * | 1994-02-17 | 1994-07-07 | Thomas Dipl Ing Emmel | Non-ferrous, enamel-coated cooking utensils for inductive heating appliances |
| US5753313A (en) * | 1996-12-26 | 1998-05-19 | Sheh Jone Enterprises Co., Ltd. | Method for coating metal cookware |
| JPH10228977A (en) * | 1997-02-13 | 1998-08-25 | Takehara Seikan Kk | Induction heating cooker having quick heating effect |
| KR200176555Y1 (en) * | 1999-11-02 | 2000-04-15 | 주식회사성창마트 | Electromagnetic induction cooker |
| JP2008237262A (en) * | 2007-03-26 | 2008-10-09 | Hitachi Appliances Inc | Heated container for induction heating equipment |
| WO2012051837A1 (en) * | 2010-10-18 | 2012-04-26 | 宁波卡特马克炊具科技有限公司 | Aluminum-steel composite pot and composite technology thereof |
| CN102178445A (en) * | 2011-05-13 | 2011-09-14 | 佛山市顺德区美的电热电器制造有限公司 | Inner pot of rice cooker |
| CN205493577U (en) * | 2015-11-18 | 2016-08-24 | 浙江伯是购厨具有限公司 | Magnetic conduction pan with end is covered in hot spraying |
| CN106435564A (en) * | 2016-11-14 | 2017-02-22 | 北京联合涂层技术有限公司 | Electromagnetic coating of high-performance cooker and manufacturing method of electromagnetic coating |
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| CN107334382B (en) | 2024-01-12 |
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