CN108980919A - Induction heating container - Google Patents
Induction heating container Download PDFInfo
- Publication number
- CN108980919A CN108980919A CN201810917155.XA CN201810917155A CN108980919A CN 108980919 A CN108980919 A CN 108980919A CN 201810917155 A CN201810917155 A CN 201810917155A CN 108980919 A CN108980919 A CN 108980919A
- Authority
- CN
- China
- Prior art keywords
- container body
- conductor layer
- induction
- induction heating
- region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006698 induction Effects 0.000 title claims abstract description 63
- 238000010438 heat treatment Methods 0.000 title claims abstract description 59
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 39
- 239000012811 non-conductive material Substances 0.000 abstract description 2
- 239000012793 heat-sealing layer Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/06—Arrangement or mounting of electric heating elements
- F24C7/062—Arrangement or mounting of electric heating elements on stoves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/081—Arrangement or mounting of control or safety devices on stoves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Induction Heating (AREA)
- Cookers (AREA)
Abstract
The invention discloses an induction heating container, which comprises an induction heat generator and a container body, wherein the container body is made of non-conductive materials, the induction heat generator is arranged in the container body, the induction heat generator comprises a laminated body, the laminated body comprises a conductor layer which generates heat by inducing eddy current through a high-frequency magnetic field, a heat sealing layer which has heat sealing performance to the container body and an eddy current control component, the eddy current control component cuts the conductor layer along the circumferential direction to obtain the eddy current, the temperature of the induction heat generator rises, the heat transfer to the container body can be inhibited, the deformation or burning of the container body can be prevented, and the interference or deviation of the eddy current is prevented due to the existence of the eddy current control component, so that the container body can be uniformly heated.
Description
Technical field
The present invention relates to kitchen tool field, specifically a kind of induction heating vessel.
Background technique
In recent years, usually electromagnetic oven has been arrived as heat cooking apparatus and has been widely used in average family, wherein to be added
The object of heat is arranged on the Joule heat that vortex generates caused by the high frequency magnetic field of the generation of the load coil inside electromagnetic oven
Heating, and as the cooker for heating heated material by guidance heating, usually using by metals such as iron and enamelled irons
It is made, but higher cost.
Summary of the invention
The purpose of the present invention is to provide a kind of induction heating vessels, to solve the problems, such as to propose in background technique.For reality
Existing above-mentioned purpose, the present invention provide the following technical solutions；
A kind of induction heating vessel, including induction heater and container body, the container body use non-conductive material
Material is made, and the induction heater is set to the inside of the container body, and the induction heater includes laminated body, institute
Laminated body is stated to include the conductor layer for generating heat by high frequency magnetic field inductive loop, there is heat sealability to the container body
Hot sealing layer and vortex control unit, the vortex control unit circumferentially cut the conductor layer and obtain the vortex.
Preferably, the vortex control unit is sudden and violent by the edge obtained and cutting the conductor layer in a thickness direction
Dew part is formed.
Preferably, multiple vortex control units are set, and multiple eddy current control units are in radial direction
On be separated from each other.
Preferably, in the induction heating generator, the conductor layer is cut to form main heating region, the master adds
Thermal region includes the eddy current control unit and peripheral region located on the outer side, in the main heating region, peripheral region
The hot sealing layer in domain is heat sealed on the container body.
Preferably, in the main heating region, the conductor layer is cut to be formed and be separated with the main heating region
Zonule, and the hot sealing layer of the zonule is heat-sealing to the container body.
Preferably, in the main heating region, the line segment form radially extended is formed in the conductor layer
Cutting line, and it is Chong Die so that the cutting line is heat sealed on the container body with a part of the hot sealing layer.
Preferably, the conductor layer in the neighboring area further separates in a circumferential direction.
Preferably, in the induction heater, the conductor layer is cut, so that in the inner circumferential of the main heating region
Central adjustment region is formed on side.
Preferably, the conductor layer in the central adjustment region further separates in a circumferential direction.
Compared with prior art, it the beneficial effects of the present invention are: induction heat generator temperature rises, is then able to suppress to appearance
The heat transmitting of device main body, can prevent the deformation or burning of container body, due to being vortexed the presence of control unit, it is therefore prevented that vortex
Interference or deviation, so as to be evenly heated, to restrained effectively collision, what can be scattered to avoid user is added
Hot object scalds or leads to the contaminated situation in the peripheral region of electromagnetic oven, further, since eddy current control unit is set
At fuse functional component is avoided, so it can safely use the operation without interfering fuse funtion part.
Detailed description of the invention
Fig. 1 is the first structural schematic diagram of induction heating vessel provided by the invention；
Fig. 2 is the structural schematic diagram of the line AA interception in Fig. 1；
Fig. 3 is the structural schematic diagram of the line BB interception in Fig. 2；
Fig. 4 a- Fig. 4 c is the schematic diagram of the structure of the cutting line in the induction heating generator of induction heating vessel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, carries out to the technical aspect in the embodiment of the present invention clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 4 c is please referred to, a kind of embodiment provided by the invention:
A kind of induction heating vessel 1 including the container body 2 formed by non-conducting material and is attached in container body 2
The induction heating generator 3 in portion.Induction heater 3 is formed by laminated body, which includes inducing whirlpool by high frequency magnetic field
The hot sealing layer 5 for generating the conductor layer 4 of heat when electric current and being sealed for container body 2.Induction heating vessel 1 is commonly used in commercially available
Electromagnetic oven, therefore, container body 2 and induction heater 3 size according to the heating coil being arranged in used electromagnetic oven
Size set.For example, the internal diameter of the common heating coil provided in commercially available Household induction cooker is about 5 centimetres, outer diameter is about
It is 20 centimetres, in the case where the electromagnetic oven for commercial use, can be used bigger heating coil, size is according to should
The electromagnetic oven used is suitably set.
Container body 2 is formed by non-conducting material, it is preferable to use the polystyrene such as synthetic resin material, such as polystyrene
It is resin, the polyester based resins such as polyethylene terephthalate, the polyolefin-based resins such as polypropylene, polyamide resin etc..
Container body 2 can be single layer structure or by being combined with each other these resins or by by these resins and other functional resins
The multilayered structure of combination and acquisition.The shape of container body 2 is not limited to shape shown in figure, can choose various shape, makes
Obtaining the shape in plan view is square, rectangle ellipse, round, ellipse etc..In an example shown, container body 2
Shape be square, and step is set near the opening of upper end, allows to support the pallet 9 for filling food.Sense
Answering heater 3 is circular writing board shape, and is attached on the bottom surface 20 of container body 2, due to circle caused by
Most effective in terms of vortex characteristic, so the shape of induction heater 3 is circle, still, it can be square or ellipse.
The hot sealing layer 5 for incuding heater 3 is used for the heat-sealing of container body 2, can be appropriate according to the formation of non-conducting material
Selection hot sealing layer 5 has good heat sealing performance and enough heat-resisting, it is preferable to use being easy to the polypropylene by molding processing
Property.Conductor layer 4 and hot sealing layer 5 can be laminated by known lamination contact laminating or by adhesive appropriate, will
Induction heater 3 is configured to laminated body.In this induction heater 3, also there is the fuse function part selectively disconnected
Part 7, two fuse functional components 7 are disposed radially on the extension of induction 3 center line of heater, which passes through induction
The center 8 of heater 3, and defined distance is stretched out from center 8.
In induction heater 3, it is provided with the vortex for along the circumferential direction cutting conductor layer 4 and the eddy current of formation
Multiple eddy current control units 6 also can be set in control unit 6, so that they avoid fuse functional component 7.Specifically, in
In the configuration that double concentric circles around the heart 8 only interrupt on the part intersected with fuse funtion part 7, vortex control unit 6 exists
It is provided in total in the region being slightly closer to by four cutting lines 13.Vortex control unit 6 is formed in the periphery of induction heater 3
The edge of cutting line 13 is used as the starting point that bubble is generated when the boiling of the heated material of such as water.Therefore, in boiling, with
The case where being put into boiling foam stone is the same, continuously generates a large amount of minute bubbles, to show to prevent the effect for generating air pocket suddenly
Fruit.Meanwhile it being vortexed the eddy current that control unit 6 incudes in the conductor layer 4, and heated material can be evenly heated, thus
Inhibit the generation for preventing generating air pocket suddenly.
According to the heating coil being arranged in electromagnetic oven, induction heating vessel 1 consumingly induces eddy current, and electric current is close
Degree distribution is uneven radially, and has density peak value at the position for being slightly closer to periphery than radial center,
As a result, the corresponding position of conductor layer 4 is heat intensive.As shown in fig. 4 a, leading by the laminated body of cutting induction heater 3
Body layer 4 and obtain induced current.Due to there is no electric current to flow up in the side intersected with cutting line 13, formed with cutting line 13
Multiple vortex control units 6 are compared with the case where being evenly arranged radially, it is preferable that vortex control unit 6 is densely arranged
In the part closer to periphery.However, being not provided with vortex control unit 6, in fuse functional component 7 so as not to interfere it
The function of selectively being disconnected in overheat.
The shape for constituting the cutting line 13 of vortex control unit 6 is not limited to incude the circle around the center 8 of heater 3
Or arc.In view of influencing the factor of current status, the shape for constituting the cutting line 13 of vortex control unit 6 can be suitably changed
Shape, such as cutting can be considered according to the shape of the heating coil of the electromagnetic oven used or the entire shape of induction heater 3
The concrete shape of line 13.
Induction heater 3 is separated into main heating region 10 and the peripheral side of center side by the first radial cut secant 13a
Neighboring area 11, the first radial cut secant 13a circularly cuts conductor layer 4 (referring to fig. 2).As noted previously, as eddy current
It is not flowed up in the side intersected with cutting line 13, therefore eddy current is separately formed for each isolated region.Add main
In thermal region 10, (center for being mounted on heating coil) causes strong vortice around the center 8 of induction heater 3, therefore main
Heating region 10 is most effectively heated.All multiple vortex control units 6 and fuse functional component 7 are all disposed within main heating zone
In domain 10.Further, if being not provided with the first radial cut secant 13a, entire induction heater 3 is considered master
Heating region 10, neighboring area 11 pass through the circumference cutting line 13c radially extended and are divided into multiple zonules, pass through circumferentially side
To separation, the strong vortice around center 8 will not be caused, therefore, the temperature of the conductor layer 4 in neighboring area 11 will not increase too
It is more, therefore, by being heated seal using the hot sealing layer 5 in neighboring area 11 to container body 2, induction heater 3 is pacified
On container body 2, if induction 3 temperature of heater rises, it is able to suppress the heat transmitting to container body 2, it can
Prevent the deformation or burning of container body 2.
Similarly, in the inner circumferential side of main heating region 10 for including center 8, central adjustment region 12 is by the second radial cut
Secant 13b is formed, and the second radial cut secant 13b circularly cuts conductor layer 4 (referring to fig. 2).Central adjustment region 12 passes through circle
Circumferential direction cutting line 13c is divided into multiple regions in a circumferential direction.Since this structure is as the case where neighboring area 11,
Strong vortice is not formed in central adjustment region 12.The vortex incuded in the region for including center 8 is not so strong.However,
The distribution of its current density is slightly unstable and may interfere with the eddy current flowed on the outside, it is therefore preferred that by the region
Conductor layer 4 separated with main heating region.
As shown in fig. 4 a, as the case where cutting line 13 for forming vortex control unit 6, the first radial cut secant 13a,
Second radial cut secant 13b and circumferentially cutting line 13c are all obtained by following formula: cutting forms the laminated body of induction heater 3
Conductor layer 4, without cutting and be in connection status by making hot sealing layer 5, induction heater 3 can be used as integrated place
Reason, to be very easy to production.
When forming these cutting lines 13, hemisect is carried out from 4 side of conductor layer, or led by YAG laser etc.
The selectivity of body layer 4 is cut.It, can be in the range of being not adversely affected to the operation of induction heater 3 as one
Cut a part of hot sealing layer 5 (referring to fig. 4 b).In addition, can provide on the surface of conductor layer 4 by the tree with hot sealing layer 5
The protective layer 15 that the identical resin material of rouge material is formed is (referring to fig. 4 c).
In the construction shown in, induction heater 3 is installed in this way: 5 quilt of hot sealing layer in neighboring area 11
It is heat sealed to the heat seal position 21 of the bottom surface 20 of container body 2.Heat-seal land 21 on the bottom surface of container body 2 20
Inner circumferential side is provided with through-hole 22, will incude heater 3 and expose, through-hole 22 is inductively heated sealing.
The bottom surface 20 of container body 2 can be deformed during heating cooking by bending, and can be with unstable
Mode be mounted on electromagnetic oven.In this embodiment, pass through the position from 10 underface of main heating region of induction heater 3
Removal bottom surface is set, temperature becomes highest, prevents container from deforming by bending.In addition, due to the ground connection for surrounding through-hole 22
Part 23 has than incuding the higher rigidity of heater 3, so even if the induction heater 3 exposed from through-hole 22 is bent,
It is able to maintain stable posture.
Container body 2 is not limited to example as shown in the figure, it can be common configuration, and wherein bottom surface 20 is closure
, this is general type.In this case, the installation for incuding heater 3 is logical by the intermediate setting in induction heater 3
Hole rather than central adjustment region 12, can obtain similar effect.Furthermore, it is possible to pass through the convection current for accelerating heated material
Convection holes.Induction heating vessel 1 with this structure can accommodate fluid-borne object to be heated (water, soup etc.), and can
Heated material is heated by being mounted on electromagnetic oven.Start to be placed without accommodating heated material or container in heating
Until under the specific condition that liquid substance to be heated evaporates etc., fuse function component 7 is disconnected, and fuse part 7
It disconnects and being detected by the safety device of electromagnetic switch, then terminate heating, the damage of container body 2 can be prevented.When electromagnetism sense
When should heat container 1 as disposable container, fusing function component 7 can be used as cooking timer.
In addition, induction heating vessel 1 according to the present invention, the edge for constituting the cutting line 13 of flow control element 6 (is cut
The cut surface (edge exposed portion) of conductor layer 4) (a and 4b referring to fig. 4) of thickness direction and exposure be used as starting point, it rises at this
At initial point, the heated material boiling of such as water to allow to generate bubble there are a large amount of minute bubbles to be formed continuously, thus
It prevents from forming air pocket suddenly.In addition, due to the presence for being vortexed control unit 6, it is therefore prevented that the interference or deviation of vortex, so as to
To be evenly heated, to restrained effectively collision, it can thus be avoided heating object scald that user is scattered or
Lead to the contaminated situation in the peripheral region of electromagnetic oven.Further, since eddy current control unit 6 is configured to avoid fuse function
Component 7, so it can safely use the operation without interfering fuse funtion part 7.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (9)
1. a kind of induction heating vessel, it is characterised in that: including induction heater and container body, the container body is used
Non-conducting material is made, and the induction heater is set to the inside of the container body, and the induction heater includes
Laminated body, the laminated body include generating the conductor layer of heat by high frequency magnetic field inductive loop, having to the container body
The hot sealing layer and vortex control unit, the vortex control unit of heat sealability circumferentially cut the conductor layer and obtain described
Vortex.
2. a kind of induction heating vessel according to claim 1, it is characterised in that: the vortex control unit by by
The edge expose portion for cutting the conductor layer on thickness direction and obtaining is formed.
3. a kind of induction heating vessel according to claim 2, it is characterised in that: the multiple vortex control units of setting
Part, and multiple eddy current control units are separated from each other in radial directions.
4. a kind of induction heating vessel according to claim 3, it is characterised in that: in the induction heating generator,
The conductor layer is cut to form main heating region, the main heating region includes the eddy current control unit and is located at periphery
The peripheral region of side, in the main heating region, the hot sealing layer of neighboring area is heat sealed on the container body.
5. a kind of induction heating vessel according to claim 4, it is characterised in that: in the main heating region, cutting
The conductor layer is and close by the hot sealing layer heat of the zonule to form the zonule separated with the main heating region
It is sealed to the container body.
6. a kind of induction heating vessel according to claim 5, it is characterised in that: in the main heating region, in institute
State the cutting line that the line segment form radially extended is formed in conductor layer, and it is Chong Die with a part of the hot sealing layer so that
The cutting line is heat sealed on the container body.
7. a kind of induction heating vessel according to claim 6, it is characterised in that: the conductor in the neighboring area
Layer further separation in a circumferential direction.
8. a kind of induction heating vessel according to claim 7, it is characterised in that: in the induction heater, cut
The conductor layer is cut, so that forming central adjustment region on the inner circumferential side of the main heating region.
9. a kind of induction heating vessel according to claim 8, it is characterised in that: described in the center adjustment region
Conductor layer further separates in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917155.XA CN108980919A (en) | 2018-08-13 | 2018-08-13 | Induction heating container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917155.XA CN108980919A (en) | 2018-08-13 | 2018-08-13 | Induction heating container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108980919A true CN108980919A (en) | 2018-12-11 |
Family
ID=64552927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917155.XA Pending CN108980919A (en) | 2018-08-13 | 2018-08-13 | Induction heating container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980919A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB691871A (en) * | 1950-09-26 | 1953-05-20 | Alfred Wehrli | Electric cooking device |
| CN2239580Y (en) * | 1996-01-17 | 1996-11-06 | 阎慧旗 | Hi-frequency electromagnetic heater |
| CN2581841Y (en) * | 2002-09-30 | 2003-10-22 | 广州市红日燃具有限公司 | Domestic double-ring infrared gas range burner |
| CN2699157Y (en) * | 2004-04-18 | 2005-05-11 | 李芝谊 | Anti-interference electromagnetic cooking range |
| CN104619216A (en) * | 2012-09-28 | 2015-05-13 | 东洋制罐集团控股株式会社 | Induction heating container |
-
2018
- 2018-08-13 CN CN201810917155.XA patent/CN108980919A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB691871A (en) * | 1950-09-26 | 1953-05-20 | Alfred Wehrli | Electric cooking device |
| CN2239580Y (en) * | 1996-01-17 | 1996-11-06 | 阎慧旗 | Hi-frequency electromagnetic heater |
| CN2581841Y (en) * | 2002-09-30 | 2003-10-22 | 广州市红日燃具有限公司 | Domestic double-ring infrared gas range burner |
| CN2699157Y (en) * | 2004-04-18 | 2005-05-11 | 李芝谊 | Anti-interference electromagnetic cooking range |
| CN104619216A (en) * | 2012-09-28 | 2015-05-13 | 东洋制罐集团控股株式会社 | Induction heating container |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |