CN207220671U - A kind of cooker of electromagnetic heating - Google Patents
A kind of cooker of electromagnetic heating Download PDFInfo
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- CN207220671U CN207220671U CN201720430906.6U CN201720430906U CN207220671U CN 207220671 U CN207220671 U CN 207220671U CN 201720430906 U CN201720430906 U CN 201720430906U CN 207220671 U CN207220671 U CN 207220671U
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Abstract
Cooker field is the utility model is related to, discloses a kind of cooker of electromagnetic heating.The cooker includes cooker matrix (1), the heat-conducting layer (2) being formed at least part outer surface of the cooker matrix (1) and the magnetic layer (3) being formed at least part surface of the heat-conducting layer (2), wherein, on the interface that the cooker matrix (1) contacts with the heat-conducting layer (2), the material of the heat-conducting layer (2) is embedded in the cooker matrix (1) with the first continuous laciniation；On the interface that the heat-conducting layer (2) is contacted with the magnetic layer (3), the material of the magnetic layer (3) is embedded in the heat-conducting layer (2) with the second continuous laciniation.According in cooker described in the utility model, there is stronger combination power, it can be ensured that heat-conducting layer and magnetic layer are difficult to come off or burst apart between heat-conducting layer and cooker matrix and between magnetic layer and heat-conducting layer.
Description
Technical field
Cooker field is the utility model is related to, 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 cookware of magnetic material is undesirable.The existing processes of pot are welded standby Al/430 using explosion mostly in IH
The composite plate punch forming of stainless steel, or 430 stainless sheet steels are inlayed in the aluminium alloy bottom of heating using high pressure, pass through pot
The eddy current effect that 430 stainless steel plate of magnetism of tool appearance is formed under the action of high-frequency alternating magnetic field carries out sensing heating.First
The technical process of kind of scheme is more complicated, cost is higher.And second scheme can not solve asking for the high-order multiple bottom stainless steel plate of pot body
Topic, and its electromagnetic heating power is smaller.
In existing multilayer composite sheet pot such as structure for aluminium alloy or titanium alloy/copper alloy/magnetic stainless steel interior pot, its
Copper alloy layer and metallic matrix, are mainly that hot pressing or explosive welding are molded between copper alloy layer and magnetic stainless steel, different metal
The fitting defective tightness of interlayer, easily there are gap, reduces the heat transfer property of copper alloy layer.In addition, the combination power of interlayer also compared with
Difference, inside in pot punching course, the easy cracking phenomenon of interlayer.And plasma spray technology is used, in aluminium alloy or titanium alloy etc.
When copper alloy heat-conducting layer and ferroalloy magnetic layer prepared by matrix surface, since partial oxidation can occur in spraying process for copper,
The cupric oxide field trash of formation can be present in the interface of copper alloy and metallic matrix in the form of impurity, and copper alloy is with leading
The interface of magnetic metal layer.In addition, because the compactness of hot-spraying coating is relatively poor, there is likely to be in these interfaces more
Hole the defects of.Since there are the presence such as the poor cupric oxide of thermal conductivity and hole in these interfaces, leading for interface can be caused
Thermal effect becomes poor.In addition, the interior pot of copper alloy layer containing thermal spraying and ferroalloy magnetic layer, the combination power of its interlayer also compared with
Difference, applies interlayer easily cracking phenomenon.
Utility model content
The purpose of this utility model is to overcome in the cooker of existing electromagnetic heating between heat-conducting layer and cooker matrix
And between heat-conducting layer and magnetic layer combine power it is poor, easily it is cracking the problem of, there is provided a kind of cooker of electromagnetic heating and
Its manufacture method.
To achieve these goals, on the one hand the utility model provides a kind of cooker of electromagnetic heating, which includes cooking a meal
Have matrix, the heat-conducting layer being formed at least part outer surface of the cooker matrix and be formed in the heat-conducting layer at least
Magnetic layer on part surface, wherein, on the interface that the cooker matrix is contacted with the heat-conducting layer, the material of the heat-conducting layer
Material is embedded in the cooker matrix with the first continuous laciniation；At the interface that the heat-conducting layer is contacted with the magnetic layer
On, the material of the magnetic layer is embedded in the heat-conducting layer with the second continuous laciniation.
Preferably, in the described first continuous laciniation and the second continuous laciniation, tooth top with
Maximum height difference between bottom of the tooth is 10-80 microns.
Preferably, in the described first continuous laciniation and the second continuous laciniation, the facewidth is
10-80 microns.
Preferably, the ratio between thickness of the thickness of the heat-conducting layer and the magnetic layer is 1：1-10.
Preferably, the thickness of the heat-conducting layer is 0.03-0.1 millimeters.
Preferably, the thickness of the magnetic layer is 0.1-0.6 millimeters.
Preferably, the heat-conducting layer and the magnetic layer are formed in the bottom of the cooker matrix, or are formed in described
The bottom of cooker matrix and with the side wall of bottom contiguous.
Preferably, the heat-conducting layer and the magnetic layer are formed in the bottom of the cooker matrix and the side with bottom contiguous
On wall, and formation height H of the heat-conducting layer on side wall1, the formation height H of the magnetic layer on side wall2And described cook a meal
Has the overall height H of matrix0Between meet：H1/H0=1/4~1, H2/H0=1/6~1, H1/H2≥1。
Preferably, the surface area S of the heat-conducting layer1, the magnetic layer surface area S2And the side wall of the cooker matrix
With the sum of the area of bottom S0Between meet：S1/S0=1/4~1, S2/S0=1/4~1, S1/S2≥1。
Preferably, the cooker further includes the antirust coat being formed at least part surface of the magnetic layer.
In the cooker of the electromagnetic heating provided by the utility model, make the material of heat-conducting layer with continuous zigzag knot
Structure is embedded in cooker matrix, and the material of magnetic layer is embedded in heat-conducting layer with continuous laciniation so that heat-conducting layer and cooker
There is between matrix and between magnetic layer and heat-conducting layer stronger combination power (up to 30-50MPa), it can be ensured that heat-conducting layer and
Magnetic layer is difficult to come off or bursts apart.
Brief description of the drawings
Fig. 1 is the structure diagram of cooker described in the utility model；
Fig. 2 is the close-up schematic view of the cooker shown in Fig. 1.
Description of reference numerals
1 cooker matrix, 2 heat-conducting layer
3 magnetic layer, 4 antirust coat
Embodiment
In the utility model, in the case where not making conversely explanation, the noun of locality such as " upper and lower " used typically refers to join
Examine shown in the drawings upper and lower；" inside and outside " refers to the inside and outside of the profile relative to each component in itself.
As illustrated in fig. 1 and 2, the cooker of electromagnetic heating described in the utility model includes cooker matrix 1, is formed in described cook a meal
Have the heat-conducting layer 2 at least part outer surface of matrix 1 and the magnetic conduction being formed at least part surface of the heat-conducting layer 2
Layer 3, wherein, on the interface that the cooker matrix 1 is contacted with the heat-conducting layer 2, the material of the heat-conducting layer 2 is continuous with first
Laciniation be embedded in the cooker matrix 1；On the interface that the heat-conducting layer 2 is contacted with the magnetic layer 3, the magnetic conduction
The material of layer 3 is embedded in the heat-conducting layer 2 with the second continuous laciniation.
In term " continuous laciniation ", " continuous " refers to that each sawtooth of laciniation is continuously to arrange
, it there is no that platform-like (namely lamellar) exists between two neighboring sawtooth；Here zigzag is not limited to sternly
The combination of zigzag or various similar jagged irregular shapes on the geometric meaning of lattice.
In the described first continuous laciniation and the second continuous laciniation, the tooth of laciniation
Maximum height difference (△ H) between top and bottom of the tooth is preferably 10-80 microns, that is to say, that the material insertion cooker base of heat-conducting layer 2
Depth in the material insertion heat-conducting layer 2 of depth and magnetic layer 3 in body 1 is respectively preferably 10-80 microns, specifically, example
Such as can be 10 microns, 15 microns, 20 microns, 25 microns, 30 microns, 35 microns, 40 microns, 45 microns, 50 microns, it is 55 micro-
In the scope that any two in rice, 60 microns, 65 microns, 70 microns, 75 microns, 80 microns and these point values is formed
Arbitrary value.It is further preferred that the maximum height difference between the tooth top and bottom of the tooth of the laciniation is 15-70 microns, more
Preferably 20-70 microns, be still more preferably 20-60 microns.
In the described first continuous laciniation and the second continuous laciniation, the tooth of laciniation
Wide (△ L) is preferably 10-80 micron, specifically, such as can for 10 microns, 15 microns, 20 microns, 25 microns, 30 microns, 35
Micron, 40 microns, 45 microns, 50 microns, 55 microns, 60 microns, 65 microns, 70 microns, 75 microns, 80 microns and these points
Arbitrary value in the scope that any two in value is formed.It is further preferred that the facewidth of the laciniation is 20-60
Micron, more preferably 20-50 microns.The facewidth of the laciniation refers to the horizontal distance between two neighboring bottom of the tooth.
In the utility model, the ratio between thickness of the thickness of the heat-conducting layer 2 and the magnetic layer 3 is preferably 1：1-10,
Specifically, such as can be 1：1、1：2、1：3、1：4、1：5、1：6、1：7、1：8、1：9、1：10 and these ratios in it is any
Any ratio in two scopes formed.It is further preferred that the thickness of the thickness of the heat-conducting layer 2 and the magnetic layer 3
The ratio between degree 1:2-8, more preferably 1:3-7.
The thickness of the heat-conducting layer 2 can be 0.03-0.1 millimeters, specifically, such as can be 0.03 millimeter, 0.04 milli
Any two in rice, 0.05 millimeter, 0.06 millimeter, 0.07 millimeter, 0.08 millimeter, 0.09 millimeter, 0.1 millimeter and these point values
Arbitrary value in a formed scope.It is further preferred that 0.05-0.08 millimeters of the thickness of the heat-conducting layer 2.
The thickness of the magnetic layer 3 can be 0.05-1 millimeter, specifically, for example, can for 0.05 millimeter, 0.08 millimeter,
0.1 millimeter, 0.12 millimeter, 0.15 millimeter, 0.18 millimeter, 0.2 millimeter, 0.23 millimeter, 0.25 millimeter, 0.28 millimeter, 0.3 milli
Rice, 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 millimeter and these
Arbitrary value in the scope that any two in point value is formed.It is further preferred that the thickness of the magnetic layer 3 is 0.1-
0.6 millimeter.
In the utility model, the forming position of the heat-conducting layer 2 and the magnetic layer 3 can be according to this area routine
Mode determines, for example, the heat-conducting layer 2 and the magnetic layer 3 are both formed in the bottom of the cooker matrix 1, or is formed in
The bottom of the cooker matrix 1 and with the side wall of bottom contiguous.In more preferably embodiment, the heat-conducting layer 2 and institute
State magnetic layer 3 be both formed in the cooker matrix 1 bottom and with the side wall of bottom contiguous, and the heat-conducting layer 2 is in side wall
On formation height H1, the formation height H of the magnetic layer 3 on side wall2And the overall height H of the cooker matrix 10Between
Meet：H1/H0=1/4~1, H2/H0=1/6~1, H1/H2≥1。
In the utility model, it is preferable that the surface area S of the heat-conducting layer 21, the magnetic layer 3 surface area S2And
The sum of the side wall of the cooker matrix 1 and the area of bottom S0Between meet：S1/S0=1/4~1, S2/S0=1/4~1, S1/S2
≥1。
In the utility model, the magnetic layer 3 can be formed by the magnetic material of this area routine.In preferable case
Under, the magnetic layer 3 is formed by magnetic ferroalloy.The magnetic ferroalloy can be Fe-C alloys, Fe-Si alloys and
At least one of Fe-Mn alloys.In the magnetic ferroalloy, Fe contents can be more than 95 weight %, be preferably 95-
99.5 weight %, more preferably 96-99 weight %, further preferred 96-98.5 weight %.
In the utility model, the heat-conducting layer 2 can be formed by the highly heat-conductive material of this area routine.In preferable case
Under, the heat-conducting layer 2 is formed by copper alloy or silver.
In the utility model, the material of the cooker matrix 1 can be the conventional selection of this area, such as can be this
The non magnetic or soft magnetically permeable material of field routine.In a preferred embodiment, the material of the cooker matrix 1 is selected from aluminium
Alloy or 304 stainless steels.
In the utility model, between the heat-conducting layer 2 and the cooker matrix 1 and the heat-conducting layer 2 is led with described
Combination power between magnetosphere 3 can be each 30-50MPa, specifically, such as can be 30MPa, 31MPa, 32MPa, 33MPa,
34MPa、35MPa、36MPa、37MPa、38MPa、39MPa、40MPa、41MPa、42MPa、43MPa、44MPa、45MPa、
Arbitrary value in the scope that any two in 46MPa, 47MPa, 48MPa, 49MPa, 50MPa and these point values is formed.
Preferably, the combination power between the heat-conducting layer 2 and the cooker matrix 1 and between the heat-conducting layer 2 and the magnetic layer 3
Respectively 35-50MPa, more preferably 37-45MPa.In the utility model, the combination power according to《GB/T 8642-2002
The test of thermal spraying resisting binding strength》Defined method detection.
In the utility model, as illustrated in fig. 1 and 2, the cooker can also include being formed in the magnetic layer 3 at least
Antirust coat 4 on part surface.Under preferable case, the antirust coat 4 is completely covered on the magnetic layer 3.The antirust coat 4
Thickness can be 0.02-0.08 millimeter, preferably 0.03-0.05 millimeters.The antirust coat 4 can be prevented by this area is conventional
The single or multi-layer structure that rust coating material is formed.The rust-proof coating material can for example be selected from silicones, fluororesin, epoxy
At least one of resin and resin combination containing aluminium powder or zinc powder, are preferably fluororesin and/or containing aluminium powder or zinc powder
Resin combination.
In the utility model, the cooker of the electromagnetic heating can be that electric pressure cooking saucepan, electric cooker, electromagnetic oven etc. are various often
The cook utensil using electromagnetic heating of rule.
The method of the cooker of the manufacture electromagnetic heating provided by the utility model comprises the following steps：
(1) Heat Conduction Material is sprayed at least part outer surface of cooker matrix to be formed by air force spraying process
Heat-conducting layer；
(2) Magnaglo is sprayed at least part surface of the magnetic layer to be formed by air force spraying process
Magnetic layer；And
(3) alternatively antirust coat is formed on the magnetic layer.
In step (1) and (2), the method for forming the heat-conducting layer and the magnetic layer is air force spraying process,
Referred to as cold spray process, substantially non-oxidation in heat-conducting layer and magnetic layer which forms, spray finishing material (i.e. Heat Conduction Material
Or Magnaglo) cooker matrix can be hit under the speed close to twice of velocity of sound under high-speed pneumatic, thus coating has very
High compactness, and broached-tooth design can also be knocked out on the surface so that between heat-conducting layer and cooker matrix and heat-conducting layer with
Very strong combination power can be formed between magnetic layer.
In the utility model, the particle diameter of the Magnaglo is preferably 10-50 microns, more preferably 10-40 microns, into
One step is preferably 20-40 microns.The Magnaglo can be the magnetic ferroalloy being described above.
In step (1) and (2), the implementation condition of the air force spraying process can include：Injection pressure is 1-
5MPa, jet length are 10-50 millimeters, and gas heating-up temperature is 0-1000 DEG C.In a preferred embodiment, the air
The implementation condition of powered spraying method includes：Working gas is nitrogen, helium or the mixed gas of the two, and injection pressure is 1-
5MPa, gas heating-up temperature are 0-1000 DEG C, gas velocity 1-2m3/ min, powder feed rate 5-15kg/h, jet length
From for 10-50 millimeters, consumption power is 5-25kW, and powder size is 10-50 microns.For the injection pressure, specifically, example
Such as can be 1MPa, 1.5MPa, 2MPa, 2.1MPa, 2.2MPa, 2.3MPa, 2.4MPa, 2.5MPa, 2.6MPa, 2.7MPa,
2.8MPa、2.9MPa、3MPa、3.1MPa、3.2MPa、3.3MPa、3.4MPa、3.5MPa、3.6MPa、3.7MPa、3.8MPa、
Arbitrary value in the scope that any two in 3.9MPa, 4MPa, 4.5MPa, 5MPa and these point values is formed.Preferably,
The injection pressure is 2-4MPa.Herein, pressure refers to absolute pressure.For the gas heating-up temperature, specifically, example
Such as can be 100 DEG C, 200 DEG C, 300 DEG C, 400 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, the arbitrary value in the scope that any two in 900 DEG C, 1000 DEG C and these point values is formed.Preferably, the gas
Heating-up temperature is 500-900 DEG C, more preferably 600-800 DEG C.Specifically, such as can be 10 millis for the jet length
Appointing in rice, 15 millimeters, 20 millimeters, 25 millimeters, 30 millimeters, 35 millimeters, 40 millimeters, 45 millimeters, 50 millimeters and these point values
Arbitrary value in two scopes formed of anticipating.Preferably, the jet length is 20-50 millimeters, more preferably 30-50 millis
Rice.
In the utility model, the method for the manufacture cooker can also include：Cold spraying is being carried out (i.e. to cooker matrix
Air force sprays) before, oil removing and ungrease treatment are carried out to the cooker matrix, keep the spatter property on its surface.
A kind of preferred embodiment according to the present utility model, the method for the manufacture cooker comprise the following steps：
(1) oil removing and ungrease treatment are carried out to the surface of cooker matrix, keeps the spatter property on its surface；
(2) highly heat-conductive material is sprayed into using air force spraying process by the cooker matrix after step (1) processing
On at least part outer surface (being preferably bottom or bottom plus side wall), heat-conducting layer is formed on cooker matrix；
(3) Magnaglo is sprayed at least part surface of the heat-conducting layer using air force spraying process, with shape
Into magnetic layer；
(4) oil removing and ungrease treatment will be carried out formed with the cooker matrix of heat-conducting layer and magnetic layer, then on magnetic layer
Rust prevention by applying liquid material protective coating.
The utility model is described in further details with comparative example by the following examples.
Embodiment 1-6
Oil removing and ungrease treatment are carried out to the surface of cooker matrix, keep the spatter property on its surface.Sprayed using air force
Highly heat-conductive material is sprayed into the bottom of cooker matrix to form heat-conducting layer by coating.Using air force spraying process by Magnaglo
The surface of magnetic layer is sprayed into form magnetic layer.Oil removing and degreasing will be carried out formed with the cooker matrix of heat-conducting layer and magnetic layer
Handle, then the rust prevention by applying liquid material protective coating on magnetic layer.Wherein, the implementation condition in air force spraying process and height are led
Hot material and Magnaglo are as shown in table 1.With reference to《GB/T 15748-1995 quantitative metallography craft assay methods》Detection is formed
Maximum height difference (△ H) between the facewidth (△ L) and tooth top and bottom of the tooth of laciniation；According to《GB/T8642-2002 heat
Spray the test of resisting binding strength》Between defined method detection heat-conducting layer and cooker matrix and magnetic layer and heat-conducting layer
It is as shown in table 2 with reference to power, testing result.
Comparative example 1
Method according to embodiment 1 prepares cooker, the difference is that the spraying process for forming heat-conducting layer and magnetic layer uses
The method of plasma spraying is implemented, and main technologic parameters are：Spraying current is 550A, spray voltage 80V, and spray distance is
120mm, air pressure 0.5MPa.According to《The test of GB/T8642-2002 thermal spraying resisting binding strengths》Defined method
The combination power between heat-conducting layer and cooker matrix and magnetic layer and heat-conducting layer is detected, testing result is as shown in table 2.
Table 1
Table 2
According to heat-conducting layer in the cooker of method described in the utility model manufacture with cooking a meal it can be seen from the data of upper table 2
There is stronger combination power between tool matrix and magnetic layer and heat-conducting layer.
The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment, can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the utility model, as long as it is not disobeyed
The thought of the utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (10)
1. a kind of cooker of electromagnetic heating, it is characterised in that the cooker includes cooker matrix (1), is formed in the cooker matrix
(1) heat-conducting layer (2) at least part outer surface and the magnetic conduction being formed at least part surface of the heat-conducting layer (2)
Layer (3), wherein, on the interface that the cooker matrix (1) contacts with the heat-conducting layer (2), the material of the heat-conducting layer (2) with
First continuous laciniation is embedded in the cooker matrix (1)；Contacted in the heat-conducting layer (2) with the magnetic layer (3)
On interface, the material of the magnetic layer (3) is embedded in the heat-conducting layer (2) with the second continuous laciniation.
2. cooker according to claim 1, it is characterised in that in the described first continuous laciniation and described second
In continuous laciniation, the maximum height difference between tooth top and bottom of the tooth is 10-80 microns.
3. cooker according to claim 1, it is characterised in that in the described first continuous laciniation and described second
In continuous laciniation, the facewidth is 10-80 microns.
4. cooker according to claim 1, it is characterised in that the thickness of the heat-conducting layer (2) and the magnetic layer (3)
The ratio between thickness is 1：1-10.
5. cooker according to claim 4, it is characterised in that the thickness of the heat-conducting layer (2) is 0.03-0.1 millimeters.
6. cooker according to claim 4, it is characterised in that the thickness of the magnetic layer (3) is 0.1-0.6 millimeters.
7. according to the cooker described in any one in claim 1-6, it is characterised in that the heat-conducting layer (2) and the magnetic conduction
Layer (3) is formed in the bottom of the cooker matrix (1), or is formed in bottom and and the bottom contiguous of the cooker matrix (1)
Side wall on.
8. cooker according to claim 7, it is characterised in that the heat-conducting layer (2) and the magnetic layer (3) are formed in institute
State cooker matrix (1) bottom and with the side wall of bottom contiguous, and formation height H of the heat-conducting layer (2) on side wall1、
Formation height H of the magnetic layer (3) on side wall2And the overall height H of the cooker matrix (1)0Between meet：H1/H0=
1/4~1, H2/H0=1/6~1, H1/H2≥1。
9. according to the cooker described in any one in claim 1-6, it is characterised in that the surface area S of the heat-conducting layer (2)1、
The surface area S of the magnetic layer (3)2And the side wall of the cooker matrix (1) and the sum of the area S of bottom0Between meet：S1/
S0=1/4~1, S2/S0=1/4~1, S1/S2≥1。
10. according to the cooker described in any one in claim 1-6, it is characterised in that the cooker, which further includes, is formed in institute
State the antirust coat (4) at least part surface of magnetic layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720430906.6U CN207220671U (en) | 2017-04-21 | 2017-04-21 | A kind of cooker of electromagnetic heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720430906.6U CN207220671U (en) | 2017-04-21 | 2017-04-21 | A kind of cooker of electromagnetic heating |
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| Publication Number | Publication Date |
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| CN207220671U true CN207220671U (en) | 2018-04-13 |
Family
ID=61839470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201720430906.6U Active CN207220671U (en) | 2017-04-21 | 2017-04-21 | A kind of cooker of electromagnetic heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720542A (en) * | 2017-04-21 | 2018-11-02 | 佛山市顺德区美的电热电器制造有限公司 | A kind of cooker and its manufacturing method of electromagnetic heating |
-
2017
- 2017-04-21 CN CN201720430906.6U patent/CN207220671U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720542A (en) * | 2017-04-21 | 2018-11-02 | 佛山市顺德区美的电热电器制造有限公司 | A kind of cooker and its manufacturing method of electromagnetic heating |
| CN108720542B (en) * | 2017-04-21 | 2023-12-08 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating cooker and manufacturing method thereof |
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