CN109199076A - Electromagnetic heating pot and preparation method thereof and equipment of cooking - Google Patents
Electromagnetic heating pot and preparation method thereof and equipment of cooking Download PDFInfo
- Publication number
- CN109199076A CN109199076A CN201710542347.2A CN201710542347A CN109199076A CN 109199076 A CN109199076 A CN 109199076A CN 201710542347 A CN201710542347 A CN 201710542347A CN 109199076 A CN109199076 A CN 109199076A
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- China
- Prior art keywords
- magnetic conduction
- conduction coating
- region
- overlay area
- transitional region
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Classifications
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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
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/10—Frying pans, e.g. frying pans with integrated lids or basting devices
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0486—Operating the coating or treatment in a controlled atmosphere
-
- 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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
Abstract
The present invention relates to electric heating appliance technical field, electromagnetic heating pot and preparation method thereof is disclosed and equipment of cooking.The pot includes: pot body (1), and the outer surface of pot body (1) includes the overlay area (2) for being attached with magnetic conduction coating and the region (4) without magnetic conduction coating；The outer surface of pot body (1) further includes the transitional region (3) for connecting overlay area (2) and region (4), region (3) is attached with magnetic conduction coating, the inner circumferential of magnetic conduction coating connects with the periphery of the magnetic conduction coating in region (2) in region (3), and extend out to the boundary in the region (4) adjacent with region (3), the thickness of the inner circumferential of magnetic conduction coating is identical as the thickness of periphery of magnetic conduction coating in region (2) in region (3), it is starting with the inner circumferential of magnetic conduction coating in region (3), magnetic conduction coating reduces with a thickness of along outwardly direction in smooth in region (3).The cookware has excellent magnetic conduction heating properties, high with the protective layer binding force of appearance.
Description
Technical field
The present invention relates to electric heating appliance technical fields, and in particular to a kind of electromagnetic heating pot and preparation method thereof and cooking is set
It is standby.
Background technique
The materials such as aluminium alloy, 304 stainless steels, ceramics are very widely used in household electronic products, but these are non magnetic
Or the cookware of weak magnetic conductivity material does not have preferable electromagnetic heating function mostly.It can be by preparing one layer in these cookware bottoms
The coating of high magnetic permeability, to realize its good electromagnetic heating function.It is thin with Fe, Ni, Co, Fe-Si alloy, 430 stainless steels etc.
Micropowder is raw material, magnetic conduction coating prepared by the supersonic cold gas spray technology assisted by the high-speed flow under heated condition
Binding force is good, compact structure, porosity is low, electromagnetic heating sensing capability is strong.Non magnetic or weak magnetic cookware can be obviously improved
Electromagnetic heating efficiency.
Since the magnetic conduction coating performance that cold spray technique is prepared in aluminum pot bottom is superior, it is expected to part and current aluminium is replaced to close
Gold/multiple bottom stainless steel plate and aluminium alloy/stainless steel clad plate preparation cookware, significantly reduce the manufacture of IH heating cookware at
This, and also can reach the purpose of similar rapidly and efficiently electromagnetic heating.
However, still by the transitional region between the obtained magnetic conduction coating area of coverage of cold spray technique and uncoated region
In the presence of that cannot seamlessly transit naturally, there are step, cause the magnetic conduction heating properties of electromagnetic heating cookware obtained poor, and
Magnetic conduction coating and the binding force of the protective coating of its appearance are relatively low.
Summary of the invention
The purpose of the invention is to overcome cold spraying method prepare electromagnetic heating pot there are the magnetic conduction coating area of coverage with
Can not achieve between uncoated region smooth transition naturally cause the magnetic conduction heating properties of electromagnetic heating pot obtained poor and
The lower defect of binding force of the protective coating of magnetic conduction coating and its appearance, and a kind of electromagnetic heating pot is provided and preparation method thereof
With the equipment of cooking including the electromagnetic heating pot.Electromagnetic heating pot provided by the invention has excellent magnetic conduction heating properties, and
And the magnetic conduction coating of the outer surface of this pot and the protective layer binding force of its appearance are higher.
According to the first aspect of the invention, the present invention provides a kind of electromagnetic heating cookware, which includes:
Pot body 1, pot body is opened wide in top and the closed hollow tube-shape in bottom；
The outer surface of pot body 1 includes the overlay area 2 for being attached with magnetic conduction coating and the region 4 without magnetic conduction coating, institute
The magnetic conduction coating stated in overlay area 2 is extended outwardly centered on the bottom centre of pot body 1, and the outer surface of the pot body 1 is also wrapped
The transitional region 3 for connecting the overlay area 2 and the region 4 without magnetic conduction coating is included, the transitional region 3 is adhered to
There is magnetic conduction coating,
Wherein, the periphery of the inner circumferential of the magnetic conduction coating in the transitional region 3 and the magnetic conduction coating in the overlay area 2
Connect, and extends out to the boundary in the region 4 adjacent with transitional region 3, the magnetic conduction coating in the transitional region 3
The thickness of inner circumferential is identical as the thickness of periphery of magnetic conduction coating in overlay area 2, in the magnetic conduction coating in transitional region 3
Week is starting, and the magnetic conduction coating in the transitional region 3 reduces with a thickness of along outwardly direction in smooth.
According to the second aspect of the invention, the present invention provides a kind of preparation method of electromagnetic heating pot, this method comprises:
The partial region cold spraying magnetic metallic powder of the outer surface of pot body 1 is attached with magnetic conduction coating to be formed in the outer surface of pot body 1
Overlay area 2, the region 4 without magnetic conduction coating and connect the overlay area 2 and the region without magnetic conduction coating
4 transitional region 3, the magnetic conduction coating in the overlay area 2 are extended outwardly centered on the bottom centre of pot body 1, the mistake
It crosses region 3 and is attached with magnetic conduction coating, the magnetic conduction in the inner circumferential of the magnetic conduction coating in the transitional region 3 and the overlay area 2
The periphery of coating connects, and extends out to the boundary in the region 4 adjacent with transitional region 3,
Wherein, the condition of the cold spraying makes thickness and the covering of the inner circumferential of the magnetic conduction coating in the transitional region 3
The thickness of the periphery of magnetic conduction coating in region 2 is identical, is starting, the mistake with the inner circumferential of the magnetic conduction coating in transitional region 3
Cross reducing with a thickness of along outwardly direction in smooth for the magnetic conduction coating in region 3.
According to the third aspect of the invention we, the present invention also provides a kind of electromagnetic heatings prepared by the above method
Pot.
According to the fourth aspect of the invention, it cooks equipment the present invention also provides one kind, wherein the equipment of cooking includes above-mentioned
Electromagnetic heating pot.
The overlay area for being attached with magnetic conduction coating of the outer surface of electromagnetic heating pot provided by the invention is applied with without magnetic conduction
Specific transitional region is provided between the region of layer, by being set as the thickness of the magnetic conduction coating in transitional region along outside
Direction reduce in smooth, realize and seamlessly transit from the overlay area for being attached with magnetic conduction coating to the area for being free of magnetic conduction coating
Domain, so that electromagnetic heating pot provided by the invention has excellent magnetic conduction heating properties, and the outer surface of the electromagnetic heating pot
Magnetic conduction coating and its appearance protective layer binding force it is higher.
The magnetic conduction heating properties of electromagnetic heating pot provided by the invention are excellent, and the magnetic conduction of the electromagnetic heating pot outer surface
Being firmly combined between coating and the protective layer of its appearance.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the overlay area 2 of the outer surface of electromagnetic heating pot provided by the invention, transitional region 3 and applies without magnetic conduction
The schematic cross-section in the region 4 of layer；
Fig. 2 is a kind of structural schematic diagram of the electromagnetic heating pot of embodiment provided by the invention.
Description of symbols
1, pot body；2, it is attached with the overlay area of magnetic conduction coating；3, transitional region；4, the region without magnetic conduction coating.
Specific embodiment
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " 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 component itself.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
According to the first aspect of the invention, the present invention provides a kind of electromagnetic heating pot, which includes:
Pot body 1, pot body is opened wide in top and the closed hollow tube-shape in bottom；
The outer surface of pot body 1 includes the overlay area 2 for being attached with magnetic conduction coating and the region 4 without magnetic conduction coating, institute
The magnetic conduction coating stated in overlay area 2 is extended outwardly centered on the bottom centre of pot body 1, and the outer surface of the pot body 1 is also wrapped
The transitional region 3 for connecting the overlay area 2 and the region 4 without magnetic conduction coating is included, the transitional region 3 is adhered to
There is magnetic conduction coating,
Wherein, the periphery of the inner circumferential of the magnetic conduction coating in the transitional region 3 and the magnetic conduction coating in the overlay area 2
Connect, and extends out to the boundary with the region 4 without magnetic conduction coating described in the adjoining of transitional region 3, the transitional region 3
In magnetic conduction coating inner circumferential thickness it is identical as the thickness of periphery of magnetic conduction coating in overlay area 2, in transitional region 3
The inner circumferential of magnetic conduction coating be starting, the magnetic conduction coating in the transitional region 3 with a thickness of along outwardly direction in smoothly subtracting
It is small.
It is in place of the structure of electromagnetic heating pot provided by the invention and prior art main difference: electricity provided by the invention
It is provided between the overlay area for being attached with magnetic conduction coating of the outer surface of magnetic heating kettle and the region without magnetic conduction coating specific
Transitional region, by the way that the thickness of the magnetic conduction coating in transitional region is set as reducing along outwardly direction in smooth so that
There is no noticeable steps in the transitional region, the magnetic conduction heating properties of electromagnetic heating pot can be significantly improved and improves magnetic conduction coating
Binding force between the protective coating of its appearance, this may be because smooth transition mode provided by the invention can significantly subtract
The stress of few transitional region is concentrated, so that electromagnetic heating pot provided by the invention has excellent electromagnetic heating effect.
It will be appreciated by persons skilled in the art that the bottom and side wall of pot body 1 of the invention is in contact with article is contained
Surface be inner surface, opposite another side be outer surface, i.e., with the discontiguous surface of the article of splendid attire.
It should be noted that the boundary in region 4 and the adjoining of transitional region 3 without magnetic conduction coating refers to and region 4 and mistake
Cross the position that region 3 connects.
A kind of embodiment of electromagnetic heating pot according to the present invention, the region 4 without magnetic conduction coating, the transition
On the outer surface for the bottom that region 3 and overlay area 2 are formed in pot body 1, the inner circumferential of the magnetic conduction coating in the transitional region 3 with
The periphery of magnetic conduction coating in the overlay area 2 connects, and extends out to the inner circumferential in the region 4.Implement in this kind
In mode, the adjacent boundary in region 4 and transitional region 3 without magnetic conduction coating refers to the inner circumferential in region 4.
The another embodiment of electromagnetic heating pot according to the present invention, the region 4 without magnetic conduction coating are formed in
On the outer surface of the side wall of pot body 1, on the outer surface for the bottom that the overlay area 2 is formed in pot body 1, the transitional region 3
In the inner circumferential of magnetic conduction coating connect with the periphery of the magnetic conduction coating in the overlay area 2, and prolong upwards along the side wall of pot body 1
Extend to the boundary in the region 4 adjacent with transitional region 3.
In order to obtain better magnetic conduction heating properties and improve the knot between magnetic conduction coating and the protective coating of its appearance
With joint efforts, under preferable case, on the outer surface for the side wall that the region 4 without magnetic conduction coating is formed in pot body 1, the area of coverage
Domain 2 is formed on the outer surface of the bottom of pot body 1.
As shown in Figure 1, the inner circumferential of the magnetic conduction coating in the transitional region 3 with a thickness of D, led in the transitional region 3
The inner circumferential of magnetic coating is L extremely at a distance from the boundary in the region 4 without magnetic conduction coating described in the transitional region 3 adjoining.
In one embodiment, the region 4, transitional region 3 and overlay area 2 are formed in the outer of the bottom of pot body 1
On surface, L is inner circumferential of the inner circumferential of magnetic conduction coating in the transitional region 3 extremely with the region 4 of the transitional region 3 adjoining
Distance；In another embodiment, on the outer surface for the side wall that the region 4 is formed in pot body 1, the overlay area 2
Be formed on the outer surface of the bottom of pot body 1, L be the transitional region 3 in magnetic conduction coating inner circumferential to the transitional region 3
The horizontal distance on the boundary in the adjacent region 4, as shown in Figure 2.
The value of electromagnetic heating pot according to the present invention, D and L can be set according to the demand of specifically used cookware,
Under preferable case, D/L=0.01-0.5, in further preferred situation, D/L=0.04-0.2, more preferable D/L=0.04-0.09.
Electromagnetic heating pot according to the present invention, under preferable case, the thickness of the inner circumferential of magnetic conduction coating in the transitional region 3
D is 0.1-1mm.
Electromagnetic heating pot according to the present invention, in order to enable electromagnetic heating pot has more preferably electromagnetic heating performance and mentions
Binding force between high magnetic conduction coating and the protective coating of its appearance, under preferable case, the magnetic conduction coating in the transitional region 3
It is structure as a whole with the magnetic conduction coating in the overlay area 2, that is, magnetic conduction coating and the transition in the overlay area 2
Magnetic conduction coating in region 3 is formed as one.
The area of electromagnetic heating pot according to the present invention, the overlay area 2 can be according to specifically used electromagnetic heating pot
Size reasonably selected, generally, on the basis of the area of the outer surface of pot body 1, the area of the overlay area 2 is accounted for
30-80%, in order to enable electromagnetic heating pot has more preferably electromagnetic heating performance and improves the guarantor of magnetic conduction coating and its appearance
The binding force between coating is protected, under preferable case, on the basis of the area of the outer surface of the bottom of pot body 1, the overlay area 2
Area account for 80-150%, when the area of the overlay area 2 be greater than 100% when, the area of the overlay area 2 includes pot body
The entire area of 1 bottom outer surface and area with the partial sidewall outer surface of bottom contiguous.
Electromagnetic heating pot according to the present invention, it is generally, described in order to further increase the antiseptic property of electromagnetic heating pot
The porosity of magnetic conduction coating in overlay area 2 and the transitional region 3 respectively can be described under preferable case for less than 1%
The porosity of magnetic conduction coating in overlay area 2 and the transitional region 3 is respectively 0.08-0.5%.
Electromagnetic heating pot according to the present invention, the magnetic conduction coating in the overlay area 2 and transitional region 3 can be ability
Common magnetic conduction coating in domain, generally, the magnetic conduction coating in the overlay area 2 and the transitional region 3 can be each self-contained
Be magnetic metal layer, and under preferable case, the magnetic conduction coating in the overlay area 2 and the transitional region 3, which respectively contains, to be selected from
One or more of Fe, Fe alloy, Ni, Ni alloy, Co and Co alloy.
Electromagnetic heating pot according to the present invention, the pot body 1 can be formed by material commonly used in the art, for example,
The pot body 1 is formed by materials one or more in stainless steel, aluminium, aluminium alloy and titanium alloy.
The present invention also provides the preparation methods of above-mentioned electromagnetic heating pot, this method comprises: in the portion of the outer surface of pot body 1
Subregion cold spraying magnetic metallic powder, to be attached with the overlay area 2 of magnetic conduction coating in the formation of the outer surface of pot body 1, be free of
The region 4 of magnetic conduction coating and the transitional region 3 of the connection overlay area 2 and the region 4 without magnetic conduction coating, institute
The magnetic conduction coating stated in overlay area 2 is extended outwardly centered on the bottom centre of pot body 1, and the transitional region 3, which is attached with, to be led
The inner circumferential of magnetic coating, the magnetic conduction coating in the transitional region 3 connects with the periphery of the magnetic conduction coating in the overlay area 2,
And the boundary in the region 4 adjacent with the transitional region 3 is extended out to,
Wherein, the condition of the cold spraying makes thickness and the covering of the inner circumferential of the magnetic conduction coating in the transitional region 3
The thickness of the periphery of magnetic conduction coating in region 2 is identical, is starting, the mistake with the inner circumferential of the magnetic conduction coating in transitional region 3
Cross reducing with a thickness of along outwardly direction in smooth for the magnetic conduction coating in region 3.
The present invention is carried out by the powder feed rate of rate travel or cold spraying to the spray gun in cold spray process
Optimization, to change the thickness of the magnetic conduction coating of the outer surface of electromagnetic heating pot.To realize from being attached with magnetic conduction coating
Overlay area is seamlessly transitted to the region for being free of magnetic conduction coating, and transitional region does not have noticeable steps, so that the present invention provides
Electromagnetic heating pot there is excellent magnetic conduction heating properties, and the magnetic conduction coating of the outer surface of the electromagnetic heating pot and its appearance
Protective layer binding force it is higher.
A kind of embodiment according to the present invention, the condition of the cold spraying include: that the powder feed rate of cold spraying is protected
Hold constant, when being moved to the periphery of the magnetic conduction coating in overlay area 2, the rate travel of spray gun starts the spray gun that cold spraying uses
In the trend increased continuously, stop spraying when spray gun is moved to the boundary in the region 4 adjacent with the transitional region 3
It applies, forming magnetic conduction coating layer thickness is the transition region 3 smoothly declined.
Another embodiment according to the present invention, the condition of the cold spraying include: the shifting for the spray gun that cold spraying uses
Dynamic rate remains unchanged, when spray gun is moved to the periphery of the magnetic conduction coating of the overlay area 2, the powder feed rate of cold spraying
Start to gradually decrease, until spray gun is moved to the boundary with the region 4 without magnetic conduction coating described in the transitional region 3 adjoining
When stop spraying, forming magnetic conduction coating layer thickness is the transition region 3 smoothly declined.
A kind of embodiment according to the present invention, when the region 4, transitional region 3 and overlay area 2 are formed in pot body 1
Bottom outer surface on, spray gun stops spraying when being moved to the inner circumferential in the region 4 adjacent with the transitional region 3；?
In another embodiment, on the outer surface for the side wall that the region 4 is formed in pot body 1, the overlay area 2 is formed in pot body
On the outer surface of 1 bottom, spray gun stops spraying when being moved to the boundary in the region 4 adjacent with the transitional region 3.
In the case of, according to the invention it is preferred to, the mobile speed of spray gun when being attached with the overlay area 2 of magnetic conduction coating to be formed
On the basis of rate, the maximum rate travel of spray gun and its ratio are 1-5, further preferably 2-4 when forming transitional region 3.
According to the present invention, the rate travel for forming spray gun when being attached with the overlay area 2 of magnetic conduction coating can be according to institute
It needs the specific thickness of magnetic conduction coating reasonably to be selected, generally, forms spray when being attached with the overlay area 2 of magnetic conduction coating
Rifle rate travel can be 0.02-0.1m/s, preferably 0.05-0.1m/s.In order to obtain with superior magnetic property
Electromagnetic heating pot and the protective layer binding force for improving magnetic conduction coating and its appearance are attached with magnetic conduction it is further preferred that being formed
The rate travel of spray gun when the overlay area 2 of coating is at the uniform velocity.
In the case of, according to the invention it is preferred to, the powder feed rate when overlay area 2 of magnetic conduction coating is attached with to be formed
On the basis of, forming the smallest powder feed rate and its ratio when transitional region 3 is 0.1-0.5, further preferably 0.1-
0.4, most preferably 0.13-0.25.
According to the present invention, the powder feed rate formed when being attached with the overlay area 2 of magnetic conduction coating can be according to required
The specific thickness of magnetic conduction coating is reasonably selected, and generally, forms powder when being attached with the overlay area 2 of magnetic conduction coating
Conveying speed can be 5-15kg/h, preferably 6-10kg/h.In order to obtain the electromagnetic heating with superior magnetic property
Pot and the protective layer binding force for improving magnetic conduction coating and its appearance are attached with covering for magnetic conduction coating it is further preferred that being formed
Powder feed rate when cover area 2 is at the uniform velocity.
It is described cold in order to obtain the electromagnetic heating pot with superior magnetic property in the case of, according to the invention it is preferred to
The condition of spraying further include: working gas is air, helium, argon gas and N2One of or it is a variety of；Spray distance is 20-
45mm, preferably 25-40mm；Gas heating temperature is 600-1000 DEG C, preferably 700-900 DEG C；Spray pressure is 1-5MPa,
Preferably 2-4MPa.
According to the present invention, the powder that cold spraying uses is magnetic metallic powder, it is preferable that the magnetic metal is Fe, Fe
One or more of alloy, Ni, Ni alloy, Co and Co alloy.
According to the present invention, the partial size of the magnetic metallic powder can reasonably be selected according to required coating, and one
As, the average grain diameter of the magnetic metallic powder can be 10-50 μm.
Magnetic metallic powder of the invention passes through lance ejection simultaneously part of the high-speed impact to the outer surface of electromagnetic heating pot
On region, hits instantaneous portion kinetic energy and be converted to thermal energy, the pure plasticity of magnetic metal particle generation is shear-deformable and is firmly attached to
The surface of matrix, whole process magnetic metal particle are not melted, and magnetic conduction coating is consequently formed.
According to the present invention, the material of the pot body 1 is consistent with above description, and details are not described herein.
In the case of, according to the invention it is preferred to, the method also includes before carrying out cold spraying, to the outer surface of pot body 1
Carry out oil removing degreasing.The mode of the oil removing degreasing is to contact the outer surface of pot body 1 with alkaline solution.
In accordance with the present invention it is preferred that the condition of the contact include: contact temperature be 50-90 DEG C, contact it is lasting when
Between be 1-10min.
In accordance with the present invention it is preferred that the concentration of the alkaline solution is 10- on the basis of the total amount of the alkaline solution
40 weight %,
In accordance with the present invention it is preferred that the alkaline solution is the aqueous solution of NaOH and/or KOH.
In accordance with the present invention it is preferred that the outer surface of pot body 1 and alkaline solution are carried out in order to avoid influencing subsequent operation
After contact, then is neutralized with acid solution, washed and dried with deionized water.The acid solution can be in this field
Common solution, such as nitric acid solution and/or hydrochloric acid solution, the concentration of the acid solution, the time contacted with acid solution with
And dry temperature and time is referred to prior art progress, details are not described herein.
In the case of, according to the invention it is preferred to, the method also includes before the outer surface to pot body 1 carries out oil removing degreasing
It carries out roughening treatment and the diamond dust of 60-100 mesh can be used for example, carrying out roughening treatment by way of sandblasting, so that pot
The roughness of the outer surface of body 1 is 3-10 μm.
According to the present invention, the definition and selection of D are same as described above, and details are not described herein.
In the case of, according to the invention it is preferred to, the thickness D of the inner circumferential of magnetic conduction coating is 0.1-1mm in the transitional region 3.
According to the present invention, in order to enable electromagnetic heating pot have more preferably electromagnetic heating performance and improve magnetic conduction coating with
The protective layer binding force of its appearance, under preferable case, in the magnetic conduction coating and the overlay area 2 in the transitional region 3
Magnetic conduction coating is structure as a whole.Magnetic conduction coating in the overlay area 2 is integrated with the magnetic conduction coating in the transitional region 3
It is formed.
According to the present invention, consistent with above description details are not described herein for the selection of the area of the overlay area 2.
According to the present invention, the porosity and above description of the overlay area 2 and the magnetic conduction coating in the transitional region 3
Unanimously, details are not described herein.
According to the third aspect of the invention we, the present invention also provides electromagnetism heat-conducting pots prepared by the above method.
According to the fourth aspect of the invention, the present invention provides one kind and cooks equipment, including electromagnetic heating pot, and the electromagnetism adds
Hot pot is electromagnetic heating pot made from above-mentioned electromagnetic heating pot provided by the invention or above-mentioned preparation method of the invention.
In the case of, according to the invention it is preferred to, the equipment of cooking is electric cooking pot, electric cooker, electric pressure cooking saucepan, frying pan and frying pan
In it is one or more.
The present invention will be described in detail by way of examples below.
Using the flat of laser particle size analyzer (being purchased from Xiamen Ke Wang Electronics Co., Ltd., model KW510) measurement powder
Equal partial size.
Embodiment 1
(1) aluminum pot matrix is pre-processed, wherein pretreated method includes: the brown steel sand for a) using 60-80 mesh,
Carrying out blasting treatment to the outer surface of aluminum pot matrix under the Jet Stream pressure of 0.6MPa makes 6 μm of its surface roughness, then
Its fine powder particles remained on surface is blown clean with high pressure draught；B) with the NaOH aqueous solution of 20 weight % at 80 DEG C alkali
It washes 1 minute；C) in the nitric acid solution of 10 weight % and 2 minutes；D) it after being cleaned with deionized water, is dried 10 minutes at 300 DEG C；
(2) partial region of the outer surface for the aluminum pot matrix that the nickel powder that selection partial size is 40 μm obtains step (1) carries out
Cold spraying processing, the condition of cold spraying include: that working gas is air, spray pressure 3MPa；900 DEG C of gas heating temperature；Spray
Penetrating distance is 40mm；Powder feed rate 5kg/h, as shown in Figure 1, forming spray when being attached with the overlay area 2 of magnetic conduction coating
Rifle rate travel is 0.05m/s, and when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, spray gun rate travel is opened
Beginning increases continuously, so that the thickness of the magnetic layer of transition region smoothly reduces, the maximum spray gun rate travel in transitional region 3 is
0.2m/s, the boundary distance L in the inner circumferential of magnetic conduction coating to the region 4 adjacent with transitional region 3 is in the transitional region 3 of formation
5mm, as shown in Fig. 2, region 4 is formed on the outer surface of the side wall of pot body 1, overlay area 2 is formed in the outer of the bottom of pot body 1
On surface, on the basis of the area of the outer surface of the bottom of pot body 1, the area of the overlay area 2 accounts for 95%；
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.2mm, the film thickness of the magnetic layer in transitional region 3 by
0.2mm is gradually reduced as 0mm.
Embodiment 2
(1) aluminum pot matrix is pre-processed, wherein pretreated method includes: the brown steel sand for a) using 60-80 mesh,
Carrying out blasting treatment to the outer surface of aluminum pot matrix under the Jet Stream pressure of 0.6MPa makes 7 μm of its surface roughness, then
Its fine powder particles remained on surface is blown clean with high pressure draught；B) with the NaOH aqueous solution of 25 weight % at 85 DEG C alkali
It washes 1 minute；C) in the nitric acid solution of 10 weight % and 2 minutes；D) it after being cleaned with deionized water, is dried 10 minutes at 300 DEG C；
(2) partial region of the outer surface for the aluminum pot matrix that the iron powder that selection partial size is 20 μm obtains step (1) carries out
Cold spraying processing, the condition of cold spraying include: that working gas is air, spray pressure 2.5MPa；700 DEG C of gas heating temperature；
Spray distance is 35mm；Powder feed rate 6kg/h, as shown in Figure 1, being formed when being attached with the overlay area 2 of magnetic conduction coating
Spray gun rate travel is 0.08m/s, when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, spray gun rate travel
Start to increase continuously, so that the thickness of the magnetic layer of transition region smoothly reduces, the maximum spray gun rate travel in transitional region 3
For 0.2m/s, in the transitional region 3 of formation the inner circumferential of magnetic conduction coating to the region 4 adjacent with transitional region 3 boundary distance L
For 4mm, as shown in Fig. 2, region 4 is formed on the outer surface of the side wall of pot body 1, overlay area 2 is formed in the bottom of pot body 1
On outer surface, on the basis of the area of the outer surface of the bottom of pot body 1, the area of the overlay area 2 accounts for 98%,
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.3mm, the film thickness of the magnetic layer in transitional region 3 by
0.3mm is gradually reduced as 0mm.
Embodiment 3
(1) aluminum pot matrix is pre-processed, wherein pretreated method includes: the brown steel sand for a) using 60-80 mesh,
Carrying out blasting treatment to the outer surface of aluminum pot matrix under the Jet Stream pressure of 0.6MPa makes 5 μm of its surface roughness, then
Its fine powder particles remained on surface is blown clean with high pressure draught；B) with NaOH solution alkali cleaning at 60 DEG C of 35 weight %
1 minute；C) in the nitric acid solution of 10 weight % and 2 minutes；D) it after being cleaned with deionized water, is dried 10 minutes at 300 DEG C；
(2) partial region of the outer surface for the aluminum pot matrix that the iron powder that selection partial size is 35 μm obtains step (1) carries out
Cold spraying processing, the condition of cold spraying include: that working gas is air, spray pressure 2.5MPa；800 DEG C of gas heating temperature；
Spray distance is 20mm；Powder feed rate 10kg/h, as shown in Figure 1, being formed when being attached with the overlay area 2 of magnetic conduction coating
Spray gun rate travel is 0.1m/s, and when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, spray gun rate travel is opened
Beginning increases continuously, so that the thickness of the magnetic layer of transition region smoothly reduces, the maximum spray gun rate travel in transitional region 3 is
0.3m/s, the distance L of inner circumferential in the inner circumferential of magnetic conduction coating to region 4 is 6mm in the transitional region 3 of formation, as shown in Fig. 2, area
Domain 4 is formed on the outer surface of the side wall of pot body 1, and overlay area 2 is formed on the outer surface of the bottom of pot body 1, with pot body 1
On the basis of the area of the outer surface of bottom, the area of the overlay area 2 accounts for 99%,
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.5mm, the film thickness of the magnetic layer in transitional region 3 by
0.5mm is gradually reduced as 0mm.
Embodiment 4
(1) aluminum pot matrix is pre-processed, wherein pretreated method includes: the brown steel sand for a) using 60-80 mesh,
Carrying out blasting treatment to the outer surface of aluminum pot matrix under the Jet Stream pressure of 0.8MPa makes 6 μm of its surface roughness, then
Its fine powder particles remained on surface is blown clean with high pressure draught；B) with NaOH solution alkali cleaning at 50 DEG C of 20 weight %
2 minutes；C) in the hydrochloric acid solution of 10 weight % and 2 minutes；D) it after being cleaned with deionized water, is dried 10 minutes at 300 DEG C；
(2) partial region of the outer surface for the aluminum pot matrix that the iron powder that selection partial size is 40 μm obtains step (1) carries out
Cold spraying processing, the condition of cold spraying include: that working gas is air, spray pressure 2.5MPa；700 DEG C of gas heating temperature；
Spray distance is 40mm；Spray gun rate travel is 0.05m/s；As shown in Figure 1, forming the overlay area 2 for being attached with magnetic conduction coating
When, powder feed rate 8kg/h, when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, powder feed rate
Start continuous decline, so that the thickness of the magnetic layer of transition region smoothly reduces, the smallest powder in transitional region 3 conveys speed
Degree is 1.6kg/h, in the transitional region 3 of formation the inner circumferential of magnetic conduction coating to the region 4 adjacent with transitional region 3 boundary away from
It is 6mm from L, as shown in Fig. 2, region 4 is formed on the outer surface of the side wall of pot body 1, overlay area 2 is formed in the bottom of pot body 1
On the outer surface in portion, on the basis of the area of the outer surface of the bottom of pot body 1, the area of the overlay area 2 accounts for 98%；
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.3mm, the film thickness of the magnetic layer in transitional region 3 by
0.3mm is gradually reduced as 0mm.
Embodiment 5
(1) aluminum pot matrix is pre-processed, wherein pretreated method includes: the brown steel sand for a) using 60-80 mesh,
Carrying out blasting treatment to the outer surface of aluminum pot matrix under the Jet Stream pressure of 0.6MPa makes 5 μm of its surface roughness, then
Its fine powder particles remained on surface is blown clean with high pressure draught；B) with NaOH solution alkali cleaning at 50 DEG C of 20 weight %
2 minutes；C) in the nitric acid solution of 10 weight % and 2 minutes；D) it after being cleaned with deionized water, is dried 10 minutes at 300 DEG C；
(2) partial region of the bottom outer surface for the aluminum pot matrix that the iron powder that selection partial size is 25 μm obtains step (1)
Cold spraying processing is carried out, the condition of cold spraying includes: that working gas is air, sprays pressure 2.5MPa；Gas heating temperature 850
℃；Spray distance is 30mm；Spray gun rate travel is 0.06m/s；As shown in Figure 1, forming the area of coverage for being attached with magnetic conduction coating
When domain 2, powder feed rate 6kg/h, when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, powder conveying
Speed starts continuously to decline, so that the thickness of the magnetic layer of transition region smoothly reduces, the smallest powder in transitional region 3 is defeated
Sending speed is 1.5kg/h, boundary of the inner circumferential of magnetic conduction coating extremely with the region 4 of the adjoining of transitional region 3 in the transitional region 3 of formation
Distance L be 5mm, as shown in Fig. 2, region 4 is formed on the outer surface of the side wall of pot body 1, overlay area 2 is formed in pot body 1
Bottom outer surface on, on the basis of the area of the outer surface of the bottom of pot body 1, the area of the overlay area 2 accounts for 97%；
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.2mm, the film thickness of the magnetic layer in transitional region 3 by
0.2mm is gradually reduced as 0mm.
Embodiment 6
(1) aluminum pot matrix is pre-processed, wherein pretreated method includes: the brown steel sand for a) using 60-80 mesh,
Carrying out blasting treatment to the outer surface of aluminum pot matrix under the Jet Stream pressure of 0.6MPa makes 5 μm of its surface roughness, then
Its fine powder particles remained on surface is blown clean with high pressure draught；B) with NaOH solution alkali cleaning at 70 DEG C of 35 weight %
2 minutes；C) in the nitric acid solution of 10 weight % and 2 minutes；D) it after being cleaned with deionized water, is dried 12 minutes at 300 DEG C；
(2) partial region of the outer surface for the aluminum pot matrix that the iron powder that selection partial size is 30 μm obtains step (1) carries out
Cold spraying processing, the condition of cold spraying include: that working gas is air, spray pressure 2.5MPa；900 DEG C of gas heating temperature；
Spray distance is 35mm；Spray gun rate travel is 0.07m/s；As shown in Figure 1, forming the overlay area 2 for being attached with magnetic conduction coating
When, powder feed rate 10kg/h, when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, powder conveying speed
Degree starts continuous decline, so that the thickness of the magnetic layer of transition region smoothly reduces, the smallest powder conveying in transitional region 3
Speed is 1.3kg/h, the boundary in the region 4 that the inner circumferential of magnetic conduction coating is extremely abutted with transitional region 3 in the transitional region 3 of formation
Distance L is 6mm, as shown in Fig. 2, region 4 is formed on the outer surface of the side wall of pot body 1, overlay area 2 is formed in pot body 1
On the outer surface of bottom, on the basis of the area of the outer surface of the bottom of pot body 1, the area of the overlay area 2 accounts for 99%；
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.3mm, the film thickness of the magnetic layer in transitional region 3 by
0.3mm is gradually reduced as 0mm.
Embodiment 7
Aluminum pot matrix is pre-processed using method same as Example 1, unlike, in step (2), select grain
The partial region of the bottom outer surface for the aluminum pot matrix that the nickel powder that diameter is 40 μm obtains step (1) carries out cold spraying processing, cold
The condition of spraying includes: that working gas is air, sprays pressure 2.5MPa；900 DEG C of gas heating temperature；Spray distance is
40mm；Powder feed rate 6kg/h, as shown in Figure 1, forming the mobile speed of spray gun when being attached with the overlay area 2 of magnetic conduction coating
Rate is 0.06m/s, and when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, spray gun rate travel starts continuously to increase
Add, so that the thickness of the magnetic layer of transition region smoothly reduces, the maximum spray gun rate travel in transitional region 3 is 0.12m/s,
The inner circumferential of magnetic conduction coating in the transitional region 3 of formation to region 4 inner circumferential distance L be 5mm, the region 4, transitional region
3 and the bottom that is formed in pot body 1 of overlay area 2 outer surface on, on the basis of the area of the outer surface of the bottom of pot body 1, institute
The area for stating overlay area 2 accounts for 80%；
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.4mm, the film thickness of the magnetic layer in transitional region 3 by
0.4mm is gradually reduced as 0mm.
Embodiment 8
Aluminum pot matrix is pre-processed using method same as Example 2, unlike, in step (2), select grain
The partial region of the bottom outer surface for the aluminum pot matrix that the iron powder that diameter is 20 μm obtains step (1) carries out cold spraying processing, cold
The condition of spraying includes: that working gas is air, sprays pressure 2.5MPa；700 DEG C of gas heating temperature；Spray distance is
35mm；Powder feed rate 6kg/h, as shown in Figure 1, forming the mobile speed of spray gun when being attached with the overlay area 2 of magnetic conduction coating
Rate is 0.06m/s, and when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, spray gun rate travel starts continuously to increase
Add, so that the thickness of the magnetic layer of transition region smoothly reduces, the maximum spray gun rate travel in transitional region 3 is 0.18m/s,
The inner circumferential of magnetic conduction coating in the transitional region 3 of formation to region 4 inner circumferential distance L be 6mm, the region 4, transitional region
3 and the bottom that is formed in pot body 1 of overlay area 2 outer surface on, on the basis of the area of the outer surface of the bottom of pot body 1, institute
The area for stating overlay area 2 accounts for 85%；
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.5mm, the film thickness of the magnetic layer in transitional region 3 by
0.5mm is gradually reduced as 0mm.
Embodiment 9
Aluminum pot matrix is pre-processed using method same as Example 4, unlike, in step (2), select grain
The partial region of the bottom outer surface for the aluminum pot matrix that the iron powder that diameter is 40 μm obtains step (1) carries out cold spraying processing, cold
The condition of spraying includes: that working gas is air, sprays pressure 2.5MPa；700 DEG C of gas heating temperature；Spray distance is
40mm；Spray gun rate travel is 0.07m/s；As shown in Figure 1, when formation is attached with the overlay area 2 of magnetic conduction coating, powder conveying
Speed 6kg/h, when spray gun is moved to the periphery of the magnetic conduction coating in overlay area 2, powder feed rate starts continuously to decline,
So that the thickness of the magnetic layer of transition region smoothly reduces, the smallest powder feed rate in transitional region 3 is 1.4kg/h,
So that the thickness of the magnetic layer of transition region smoothly reduces, the inner circumferential of the inner circumferential of magnetic conduction coating in transitional region 3 to region 4 is formed
Distance L is 5mm, on the outer surface for the bottom that the region 4, transitional region 3 and overlay area 2 are formed in pot body 1, with pot body 1
Bottom outer surface area on the basis of, the area of the overlay area 2 accounts for 88%；
The film thickness D of magnetic layer inner circumferential in transitional region 3 is 0.2mm, the film thickness of the magnetic layer in transitional region 3 by
0.2mm is gradually reduced as 0mm.
Comparative example 1
The preparation of electromagnetic heating pot is carried out using the method for embodiment 1, the difference is that when spray gun is moved to overlay area
When the periphery of the magnetic conduction coating in 2, stop spraying.There are the steps of 0.2mm between overlay area 2 and region 4.
Comparative example 2
The preparation of electromagnetic heating pot is carried out using the method for embodiment 4, the difference is that when spray gun is moved to overlay area
When the periphery of the magnetic conduction coating in 2, stop spraying.There are the steps of 0.3mm between overlay area 2 and region 4.
Embodiment 10
The preparation that electromagnetic heating pot is carried out using the method for embodiment 1, the difference is that the maximum in transitional region 3
Spray gun rate travel is 2.5m/s.
Embodiment 11
The preparation of electromagnetic heating pot is carried out using the method for embodiment 1, is attached with magnetic conduction coating the difference is that being formed
Spray gun rate travel when overlay area 2 is 0.005m/s.
Embodiment 12
The preparation that electromagnetic heating pot is carried out using the method for embodiment 4, the difference is that the minimum in transitional region 3
Powder feed rate be 3kg/h.
Embodiment 13
The preparation of electromagnetic heating pot is carried out using the method for embodiment 4, is attached with magnetic conduction coating the difference is that being formed
Powder feed rate when overlay area 2 is 25kg/h.
Test case
1, the rectangular optical instrument in Shanghai (coating surface hardness: is purchased from using Vickers according to GB/T 9790-1988
Co., Ltd, model HX-1000) measurement cold spray layer Vickers hardness.Load is 100gf, load time 15s, as a result
It is shown in Table 1.
2, coating binding force coating binding force: is measured according to GB/T 8642-2002.It the results are shown in Table 1.
3, coating porosity coating porosity: is measured according to People's Republic of China (PRC) machinery industry standard JB/T7509-94.
It the results are shown in Table 1.
4, electromagnetic heating performance: using the maximum power value (W) of the power instrument test cookware heating of agilent company production.
Interior pot is placed on electromagnetic oven and is heated, input power 1500W.
Table 1
It can be seen that by the result of table 1 using specific smooth transition mode of the invention, so that the electromagnetic heating of preparation
Cookware has excellent magnetic conduction heating properties, and the protective layer knot of the magnetic conduction coating of the outer surface of the electromagnetic heating pot and its appearance
Resultant force is higher.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to
Protection scope of the present invention.
Claims (27)
1. a kind of electromagnetic heating pot, the electromagnetic heating pot include:
Pot body (1), pot body is opened wide in top and the closed hollow tube-shape in bottom；
The outer surface of pot body (1) includes the overlay area (2) for being attached with magnetic conduction coating and the region (4) without magnetic conduction coating,
Magnetic conduction coating in the overlay area (2) is extended outwardly centered on the bottom centre of pot body (1), outside the pot body (1)
Surface further includes the transitional region (3) for connecting the overlay area (2) and the region (4) without magnetic conduction coating, institute
It states transitional region (3) and is attached with magnetic conduction coating,
It is characterized in that, the magnetic conduction coating in the inner circumferential of the magnetic conduction coating in the transitional region (3) and the overlay area (2)
Periphery connect, and extend out to the boundary in the region (4) without magnetic conduction coating adjacent with transitional region (3), institute
State the thickness and the thickness phase of the periphery of the magnetic conduction coating in overlay area (2) of the inner circumferential of the magnetic conduction coating in transitional region (3)
Together, be starting with the inner circumferential of the magnetic conduction coating in transitional region (3), the magnetic conduction coating in the transitional region (3) with a thickness of
Reduce along outwardly direction in smooth.
2. electromagnetic heating pot according to claim 1, wherein the region (4) without magnetic conduction coating, transitional region
(3) and on the outer surface of overlay area (2) bottom for being formed in pot body (1), magnetic conduction coating in the transitional region (3) it is interior
All peripheries with the magnetic conduction coating in the overlay area (2) connect, and extend out to the region for being free of magnetic conduction coating
(4) inner circumferential.
3. electromagnetic heating pot according to claim 1, wherein the region (4) without magnetic conduction coating is formed in pot body (1)
Side wall outer surface on, on the outer surface for the bottom that the overlay area (2) is formed in pot body (1), the transitional region (3)
In the inner circumferential of magnetic conduction coating connect with the periphery of the magnetic conduction coating in the overlay area (2), and along the side wall of pot body (1) to
On extend to the boundary in the region (4) without magnetic conduction coating adjacent with transitional region (3).
4. electromagnetic heating pot according to claim 1, wherein the thickness of the inner circumferential of magnetic conduction coating in the transitional region (3)
Degree is D, in the transitional region (3) inner circumferential of magnetic conduction coating to the transitional region (3) it is adjacent without magnetic conduction coating
The distance on the boundary in region (4) is L, D/L=0.01-0.5.
5. electromagnetic heating pot according to claim 4, wherein the thickness of the inner circumferential of magnetic conduction coating in the transitional region (3)
Degree D is 0.1-1mm.
6. electromagnetic heating pot described in any one of -3 according to claim 1, wherein the magnetic conduction in the transitional region (3)
Coating is structure as a whole with the magnetic conduction coating in the overlay area (2).
7. electromagnetic heating pot described in any one of -3 according to claim 1, wherein with the area of the outer surface of pot body (1)
On the basis of, the area of the overlay area (2) accounts for 30-80%,
Preferably, on the basis of the area of the outer surface of the bottom of pot body (1), the area of the overlay area (2) accounts for 80-
150%.
8. electromagnetic heating pot described in any one of -3 according to claim 1, wherein the overlay area (2) and the mistake
The porosity for crossing the magnetic conduction coating in region (3) is respectively less than 1%.
9. electromagnetic heating pot according to claim 8, wherein in the overlay area (2) and the transitional region (3)
The porosity of magnetic conduction coating is respectively 0.08-0.5%.
10. electromagnetic heating pot described in any one of -3 according to claim 1, wherein the overlay area (2) and the mistake
The magnetic conduction coating crossed in region (3) respectively contains magnetic metallic layers.
11. electromagnetic heating pot according to claim 10, wherein in the overlay area (2) and the transitional region (3)
Magnetic conduction coating respectively contain selected from one or more of Fe, Fe alloy, Ni, Ni alloy, Co and Co alloy.
12. electromagnetic heating pot described in any one of -3 according to claim 1, wherein the pot body (1) is by selected from stainless
One or more materials are formed in steel, aluminium, aluminium alloy and titanium alloy.
13. a kind of preparation method of electromagnetic heating pot, this method comprises: the partial region cold spraying in the outer surface of pot body (1)
Magnetic metallic powder is attached with the overlay area (2) of magnetic conduction coating, without magnetic conduction coating to be formed in the outer surface of pot body (1)
Region (4) and the connection overlay area (2) and the region (4) without magnetic conduction coating transitional region (3), institute
The magnetic conduction coating stated in overlay area (2) is extended outwardly centered on the bottom centre of pot body (1), and the transitional region (3) is attached
Have a magnetic conduction coating, the inner circumferential of the magnetic conduction coating in the transitional region (3) and the magnetic conduction coating in the overlay area (2)
Periphery connects, and extends out to the boundary in the region (4) without magnetic conduction coating adjacent with transitional region (3),
Wherein, the condition of the cold spraying makes the thickness and the area of coverage of the inner circumferential of the magnetic conduction coating in the transitional region (3)
The thickness of the periphery of magnetic conduction coating in domain (2) is identical, is starting with the inner circumferential of the magnetic conduction coating in transitional region (3), described
Magnetic conduction coating in transitional region (3) reduces with a thickness of along outwardly direction in smooth.
14. according to the method for claim 13, wherein the condition of the cold spraying includes: the powder conveying speed of cold spraying
Degree remains unchanged, when the periphery for the spray gun magnetic conduction coating that is moved to the overlay area (2) that cold spraying uses, the movement of spray gun
Rate starts in the trend that increases continuously, until spray gun is moved to transitional region (3) adjacent described without magnetic conduction coating
Stop spraying when the boundary in region (4).
15. according to the method for claim 14, wherein using the rate travel of spray gun when forming overlay area (2) as base
Standard, the maximum rate travel of spray gun and its ratio are 1-5, preferably 2-4 when forming transitional region (3).
16. according to the method for claim 15, wherein the rate travel of spray gun when forming overlay area (2) is 0.02-
0.1m/s, preferably 0.05-0.1m/s；It is further preferred that the rate travel of spray gun when forming overlay area (2) is even
Speed.
17. according to the method for claim 13, wherein the condition of the cold spraying includes: the spray gun that cold spraying uses
Rate travel remains unchanged, and when spray gun is moved to the periphery of the magnetic conduction coating of the overlay area (2), the powder of cold spraying is conveyed
Speed starts to gradually decrease, until spray gun is moved to the region without magnetic conduction coating adjacent with the transitional region (3)
(4) stop spraying when boundary.
18. according to the method for claim 17, wherein on the basis of powder feed rate when forming overlay area (2),
Forming the smallest powder feed rate and its ratio when transitional region (3) is 0.1-0.5, preferably 0.2-0.4.
19. according to the method for claim 18, wherein powder feed rate when forming overlay area (2) is 5-15kg/
H, preferably 6-10kg/h；It is further preferred that powder feed rate when forming overlay area (2) is at the uniform velocity.
20. method described in any one of 3-19 according to claim 1, wherein the condition of the cold spraying processing further include:
Working gas is air, helium, argon gas and N2One of or it is a variety of；Spray distance is 20-45mm, preferably 25-40mm；Gas
Body heating temperature is 600-1000 DEG C, preferably 700-900 DEG C；Spray pressure is 1-5MPa, preferably 2-4MPa.
21. method described in any one of 3-19 according to claim 1, wherein the magnetic metal be Fe, Fe alloy, Ni,
One or more of Ni alloy, Co and Co alloy,
Preferably, the average grain diameter of the magnetic metallic powder is 10-50 μm.
22. method described in any one of 3-19 according to claim 1, wherein the pot body (1) by selected from stainless steel, aluminium,
One or more materials are formed in aluminium alloy and titanium alloy.
23. method described in any one of 3-19 according to claim 1, wherein the method also includes carrying out cold spraying
Before, oil removing degreasing is carried out to the outer surface of pot body (1).
24. method described in any one of 3-19 according to claim 1, wherein magnetic conduction coating in the transitional region (3)
The thickness D of inner circumferential is 0.1-1mm.
25. the electromagnetic heating pot that the method as described in any one of claim 13-24 is prepared.
The equipment 26. one kind is cooked, which includes electromagnetic heating pot, which is characterized in that the electromagnetic heating pot is right
It is required that electromagnetic heating pot described in electromagnetic heating pot described in any one of 1-12 or claim 25.
27. equipment according to claim 26 of cooking, wherein the equipment of cooking is electric cooking pot, electric cooker, Voltage force
It is one or more in pot, frying pan and frying pan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542347.2A CN109199076A (en) | 2017-07-05 | 2017-07-05 | Electromagnetic heating pot and preparation method thereof and equipment of cooking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542347.2A CN109199076A (en) | 2017-07-05 | 2017-07-05 | Electromagnetic heating pot and preparation method thereof and equipment of cooking |
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| Publication Number | Publication Date |
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| CN109199076A true CN109199076A (en) | 2019-01-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710542347.2A Pending CN109199076A (en) | 2017-07-05 | 2017-07-05 | Electromagnetic heating pot and preparation method thereof and equipment of cooking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116118A (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 |
| CN114305057A (en) * | 2020-09-30 | 2022-04-12 | 佛山市顺德区美的电热电器制造有限公司 | Composite pot and processing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19948472A1 (en) * | 1999-10-08 | 2001-04-19 | Fissler Gmbh | Cooking vessel for cooking purposes has a radiating surface made of a thermally sprayed layer of an oxide ceramic and/or covered with a layer of temperature-resistant glass material between the vessel wall and the base |
| FR2956967A3 (en) * | 2010-03-03 | 2011-09-09 | Newspray Gmbh | Cooking vessel for induction cooker, comprises circular shaped bottom located at inner side of base body, and ferromagnetic layer that is deposited on inner side of body by cool sputtering and has sufficient thickness to use on cooker |
| CN205649329U (en) * | 2015-12-18 | 2016-10-19 | 杭州熔图科技有限公司 | Electromagnetic heating pot |
| CN205994250U (en) * | 2016-06-23 | 2017-03-08 | 佛山市顺德区美的电热电器制造有限公司 | Pan and culinary art assembly |
| CN206006885U (en) * | 2016-06-29 | 2017-03-15 | 佛山市顺德区美的电热电器制造有限公司 | Pot and pan |
| TWM544278U (en) * | 2015-08-14 | 2017-07-01 | 肇慶市天宇進出口貿易有限公司 | Automatic constant temperature cookware utensil and combined structure with electromagnetic heating device |
| CN207575011U (en) * | 2017-07-05 | 2018-07-06 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating pot and equipment of cooking |
-
2017
- 2017-07-05 CN CN201710542347.2A patent/CN109199076A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19948472A1 (en) * | 1999-10-08 | 2001-04-19 | Fissler Gmbh | Cooking vessel for cooking purposes has a radiating surface made of a thermally sprayed layer of an oxide ceramic and/or covered with a layer of temperature-resistant glass material between the vessel wall and the base |
| FR2956967A3 (en) * | 2010-03-03 | 2011-09-09 | Newspray Gmbh | Cooking vessel for induction cooker, comprises circular shaped bottom located at inner side of base body, and ferromagnetic layer that is deposited on inner side of body by cool sputtering and has sufficient thickness to use on cooker |
| TWM544278U (en) * | 2015-08-14 | 2017-07-01 | 肇慶市天宇進出口貿易有限公司 | Automatic constant temperature cookware utensil and combined structure with electromagnetic heating device |
| CN205649329U (en) * | 2015-12-18 | 2016-10-19 | 杭州熔图科技有限公司 | Electromagnetic heating pot |
| CN205994250U (en) * | 2016-06-23 | 2017-03-08 | 佛山市顺德区美的电热电器制造有限公司 | Pan and culinary art assembly |
| CN206006885U (en) * | 2016-06-29 | 2017-03-15 | 佛山市顺德区美的电热电器制造有限公司 | Pot and pan |
| CN207575011U (en) * | 2017-07-05 | 2018-07-06 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating pot and equipment of cooking |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116118A (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 |
| CN113116118B (en) * | 2019-12-31 | 2022-12-02 | 佛山市顺德区美的电热电器制造有限公司 | Container and cooking utensil |
| CN114305057A (en) * | 2020-09-30 | 2022-04-12 | 佛山市顺德区美的电热电器制造有限公司 | Composite pot and processing method thereof |
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