CN204598351U - A kind of superaudio electromagnetic induction heater - Google Patents
A kind of superaudio electromagnetic induction heater Download PDFInfo
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- CN204598351U CN204598351U CN201520261913.9U CN201520261913U CN204598351U CN 204598351 U CN204598351 U CN 204598351U CN 201520261913 U CN201520261913 U CN 201520261913U CN 204598351 U CN204598351 U CN 204598351U
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- electromagnetic induction
- ferromagnetic metal
- superaudio
- induction heater
- metal layer
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Abstract
The utility model discloses a kind of superaudio electromagnetic induction heater, comprise an electromagnetic induction coil, it is characterized in that, be provided with a non-ferromagnetic metal layer in the alternating magnetic field formed in described electromagnetic induction coil spacing 1 ~ 50mm, the thickness range of described non-ferromagnetic metal layer is 1 ~ 80 μm.The utility model substantially increases the range of application of superaudio Electromagnetic Heating, non-ferromagnetic metal can be used for superaudio Electromagnetic Heating, and the advantage such as it is high to have the efficiency of heating surface, and heating time is fast.
Description
Technical field
The utility model relates to a kind of superaudio electromagnetic induction heater, particularly relates to a kind of non-ferromagnetic metal superaudio electromagnetic induction heater.
Background technology
Household induction cooker is the principle of heating adopting magnetic field induction electric current (also known as eddy current), namely by rectification circuit, the alternating current of 50Hz/60Hz is become direct voltage, direct current is converted to superaudio alternating current that frequency is 20 ~ 40kHz again through control circuit, by spiral helicine magnetic induction coil, form superaudio alternating magnetic field.When the magnetic line of force in magnetic field is by bottom metalware, the electric current (i.e. eddy current) of alternation is produced in its body, eddy current makes the random motion of pan atom high speed, and atom collides with each other, rub and produce heat energy and make vessel at a high speed heating (converting electrical energy into heat energy) voluntarily itself.Because Household induction cooker relies on the direct induced field in the bottom of a pan to produce eddy-current heating, therefore ferromagnetic metal (iron, cobalt, nickel or its alloy) container meeting the requirement of electromagnetic oven Design cooling load can only usually be selected, non-ferromagnetic metal material then can cause induction cooker load abnormal and cisco unity malfunction, and this just seriously limits the range of application of superaudio Electromagnetic Heating.Heating for non-ferromagnetic metal often needs to use higher frequency, and usually at more than 60kHz, this significantly will increase the manufacturing cost of equipment, limits the large-scale application of these technology.
Utility model content
For the technical problem existed in prior art, the purpose of this utility model is to provide a kind of non-ferromagnetic metal superaudio electromagnetic induction heater.The utility model, by changing the physical state of non-ferromagnetic metal material, achieves the electromagnetic induction heating of these materials under superaudio, the Fast Heating for these materials provide one simply, method easily.Experiment shows, when non-ferromagnetic metal material, when thickness as molybdenum, tantalum, platinum, gold, silver, copper, aluminium, titanium, rhenium etc. is reduced within the scope of 1 ~ 80 μm, it can significantly increase the electromagnetic absorption of superaudio, therefore can realize Fast Heating with the combination of the electromagnetic wave of this frequency to the layer material of these metals or itself and other materials.
The technical solution of the utility model is:
A kind of superaudio electromagnetic induction heater, comprise an electromagnetic induction coil, it is characterized in that, be provided with a non-ferromagnetic metal layer in the alternating magnetic field formed in described electromagnetic induction coil spacing 1 ~ 50mm, the thickness range of described non-ferromagnetic metal layer is 1 ~ 80 μm.
Further, described electromagnetic induction coil is sheet or tubular.
Further, described non-ferromagnetic metal layer is sheet, ring-type or tubular.
Further, the upper and lower surface of described non-ferromagnetic metal layer is respectively equipped with a nonmetal supporting layer.
Further, the upper surface of described non-ferromagnetic metal layer is fluoroplastic layer, lower surface is ceramic wafer.
Further, the upper surface of described non-ferromagnetic metal layer is plastic film, lower surface is cardboard.
Further, compound one polymeric substrate on described non-ferromagnetic metal layer.
Compared with prior art, good effect of the present utility model is:
The utility model substantially increases the range of application of superaudio Electromagnetic Heating, non-ferromagnetic metal can be used for superaudio Electromagnetic Heating, and the advantage such as it is high to have the efficiency of heating surface, and heating time is fast.
Accompanying drawing explanation
Fig. 1 is the superaudio electromagnetic induction heating schematic diagram of molybdenum foil;
Wherein, 1 is electromagnetic induction coil, and 21 is 80 μm of thick molybdenum foils.
Fig. 2 is the superaudio electromagnetic induction heating schematic diagram covering copper circuit board;
A () is overall structure view, (b) is for covering the sectional view of copper circuit board;
Wherein, 1 is electromagnetic induction coil, and 22 is 50 μm of thick Copper Foils, and 23 is circuit board polymeric substrate.
Fig. 3 is the superaudio electromagnetic induction heating schematic diagram pressing from both sides golden ceramic cylinder;
A () is overall structure view, (b) is the sectional view pressing from both sides golden ceramic cylinder;
Wherein, 1 is electromagnetic induction coil, and 24 is 10 μm of thick goldleaf, and 25 is ceramic wafer, and 26 is fluoroplastics film.
Fig. 4 is the superaudio electromagnetic induction heating schematic diagram of folder aluminium paper plate;
A () is overall structure view, (b) is the sectional view of folder aluminium paper plate;
Wherein, 1 is electromagnetic induction coil, and 27 is 6 μm of thick aluminium foils, and 28 is cardboard, and 29 is plastic film.
Embodiment
Below in conjunction with specific embodiment, the utility model is explained in further detail.
Embodiment 1
Metal molybdenum is pressed into 80 μm of thick molybdenum foils 21, molybdenum foil is placed on the top 25mm of superaudio electromagnetic induction coil 1, its structural representation is in Fig. 1, and in figure, 1 is electromagnetic induction coil, and 21 is 80 μm of thick molybdenum foils.Power-on makes by electric current on electromagnetic induction coil, and molybdenum foil can be heated within the several seconds, its power usage efficiency >80%.
Embodiment 2
Metallic copper is pressed into 50 μm of thick ring-type Copper Foils 22, by Copper Foil and circuit board polymeric substrate 23 compound, obtain the circuit board covering copper, place it in the below 50mm of superaudio electromagnetic induction coil 1, its structural representation is in Fig. 2, in figure, 1 is electromagnetic induction coil, and 22 is 50 μm of thick Copper Foils, and 23 is circuit board polymeric substrate.Power-on makes by electric current on electromagnetic induction coil, and Copper Foil can be heated within the several seconds, its power usage efficiency >80%.
Embodiment 3
Metallic gold is pressed into 10 μm of thick goldleaf 24, goldleaf is attached on tubular ceramic wafer 25, compound one deck fluoroplastics film 26 again on it, obtain the ceramic cylinder pressing from both sides gold, place it in the inside 1mm spacing of tubular superaudio electromagnetic induction coil, its structural representation is in Fig. 3, in figure, 1 is electromagnetic induction coil, 24 is 10 μm of thick goldleaf, and 25 is ceramic wafer, and 26 is fluoroplastics film.Power-on makes by electric current on electromagnetic induction coil, and goldleaf can be heated within the several seconds, its power usage efficiency >80%.
Embodiment 4
Metallic aluminium is pressed into 6 μm of thick aluminium foils 27, aluminium foil is attached on circular arc cardboard 28, compound one deck plastic film 29 again on it, obtain the cardboard pressing from both sides aluminium, place it in the inside 5mm of tubular superaudio electromagnetic induction coil 1, its structural representation is in Fig. 4, in figure, 1 is electromagnetic induction coil, 27 is 6 μm of thick aluminium foils, and 28 is cardboard, and 29 is plastic film.Power-on makes by electric current on electromagnetic induction coil, and aluminium foil can be heated within the several seconds, its power usage efficiency >80%.
Claims (8)
1. a superaudio electromagnetic induction heater, comprise an electromagnetic induction coil, it is characterized in that, be provided with a non-ferromagnetic metal layer in the alternating magnetic field formed in described electromagnetic induction coil spacing 1 ~ 50mm, the thickness range of described non-ferromagnetic metal layer is 1 ~ 80 μm.
2. superaudio electromagnetic induction heater as claimed in claim 1, it is characterized in that, described electromagnetic induction coil is sheet or tubular.
3. superaudio electromagnetic induction heater as claimed in claim 1 or 2, it is characterized in that, described non-ferromagnetic metal layer is sheet, ring-type or tubular.
4. superaudio electromagnetic induction heater as claimed in claim 3, it is characterized in that, the upper and lower surface of described non-ferromagnetic metal layer is respectively equipped with a nonmetal supporting layer.
5. superaudio electromagnetic induction heater as claimed in claim 4, is characterized in that, the upper surface of described non-ferromagnetic metal layer is fluoroplastic layer, lower surface is ceramic wafer.
6. superaudio electromagnetic induction heater as claimed in claim 4, is characterized in that, the upper surface of described non-ferromagnetic metal layer is plastic film, lower surface is cardboard.
7. superaudio electromagnetic induction heater as claimed in claim 1 or 2, is characterized in that, compound one polymeric substrate on described non-ferromagnetic metal layer.
8. superaudio electromagnetic induction heater as claimed in claim 1 or 2, it is characterized in that, described non-ferromagnetic metal is molybdenum, tantalum, platinum, gold, silver, copper, aluminium, rhenium or titanium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261913.9U CN204598351U (en) | 2015-04-27 | 2015-04-27 | A kind of superaudio electromagnetic induction heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261913.9U CN204598351U (en) | 2015-04-27 | 2015-04-27 | A kind of superaudio electromagnetic induction heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204598351U true CN204598351U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520261913.9U Active CN204598351U (en) | 2015-04-27 | 2015-04-27 | A kind of superaudio electromagnetic induction heater |
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| Country | Link |
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| CN (1) | CN204598351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658793A (en) * | 2015-11-02 | 2017-05-10 | 九阳股份有限公司 | Multifunctional cooking device |
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2015
- 2015-04-27 CN CN201520261913.9U patent/CN204598351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658793A (en) * | 2015-11-02 | 2017-05-10 | 九阳股份有限公司 | Multifunctional cooking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |