CN101478843A - Energy-saving electromagnetic inductive heating device - Google Patents
Energy-saving electromagnetic inductive heating device Download PDFInfo
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- CN101478843A CN101478843A CNA2009100371424A CN200910037142A CN101478843A CN 101478843 A CN101478843 A CN 101478843A CN A2009100371424 A CNA2009100371424 A CN A2009100371424A CN 200910037142 A CN200910037142 A CN 200910037142A CN 101478843 A CN101478843 A CN 101478843A
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- inductive heating
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Abstract
The invention discloses an energy conservation electromagnetic induction heating device, which comprises a coil (2) and a plurality of magnetic cores (1); the magnetic cores (1) are cuboid or disk, wherein, one or a plurality of grooves (12) are arranged on one side; the coil (2) is arranged in the groove (12) of the magnetic core (1) arrayed together. With the adoption of a manner of paralleling small common magnetic cores or special disc shaped magnetic cores, the energy conservation electromagnetic induction heating device changes the manner of a previous air core coil, thus enabling the magnetic line of the magnetic circuit to be more concentrated, the coupling more compact, and the eddy current obtained on a heating load end bigger, which is more beneficial to promotion of heating efficiency (the efficiency is promoted by over 10 percent); subsection spot heating and subsection spot temperature control can be carried out on electromagnetic induction heating, thus saving a matching transformer to be used for original impedance matching; inductance of the coil can be increased, therefore reducing turns of the coil and saving copper using volume; about over 15 percent of copper using volume is saved compared with original air core coil.
Description
Technical field
The invention belongs to the technical field of electromagnetic induction heating, specifically be meant a kind of energy-saving electromagnetic inductive heating device.
Background technology
The structure of traditional in the market electromagnetic induction heating coil all is single coil, adopts hollow method for winding manufacturing to form.There are many weak points in the coil of this structure, such as the magnetic line of force disperse, respond to degree of coupling poor, externally must be low etc. when big, the high voltage of radiated interference, big electric current with a bulky matching transformer isolation heater coil, the efficiency of heating surface, so be necessary to further investigate in this respect electromagnetic induction heating coil with development of new.
Summary of the invention
The energy-saving electromagnetic inductive heating device that the object of the present invention is to provide a kind of magnetic line of force to concentrate, induction is coupled, suppresses external radiated interference, need not matching transformer, the efficiency of heating surface is high.
For solving the problems of the technologies described above, the technical solution used in the present invention is: energy-saving electromagnetic inductive heating device, comprise coil and several magnetic cores, described magnetic core is cuboid or disc, one side therein is provided with one or two or a plurality of groove, and described coil is arranged on disc or is arranged in the middle of the groove of a plurality of magnetic cores together.
Owing to adopted above-mentioned structure, the present invention uses single disc or a plurality of core material, just many groups of flux loop are formed electromagnetic induction heating coil, by forming the high magnetic circuit of the degree of coupling with heating load by electromagnetic induction heating coil, and on heating load, produce extremely strong eddy current, thereby make the heating load heating.The present invention is made up of a plurality of magnetic cores, makes it to become final products as described in the present invention by the structuring assembling combination to small-sized magnetic core, and its induction is coupled, and externally radiated interference reduces, and need not matching transformer, and the efficiency of heating surface improves.Can adopt a plurality of unit to carry out the serial or parallel connection combination in addition, electromagnetic induction heating coil can be organized on the basis of standard cell and synthetic powerful electromagnetic induction heating coil, and its power and the scalable variation of heating position.
The present invention adopts the mode of common small core or the parallel connection of special disc magnetic core, and launch to obtain being embedded with the electromagnetic induction heater of magnetic core by the conductive winding coiling of circling round successively, changed the mode of air core coil in the past, make that the magnetic circuit magnetic line of force is more concentrated, it is tightr to be coupled, bigger in the resulting vortex flow of heating load end, more help the lifting (improved efficiency is more than 10%) of the efficiency of heating surface, but the connection in series-parallel connected mode of load coil especially, make electromagnetic induction heating can carry out segmentation localized heating and segmentation local temperature control, pine at the special heating of a certain local location and the independently temperature control separately at different heating position as adding in integral body, this energy conservation to electromagnetic induction heating is significant.In addition, be combined into high-power coil or super high power electromagnetic induction heating coil by a plurality of small power electromagnetic induction heater coils, can save and originally carry out the matching transformer that impedance matching will be used, the present invention can make the product of more personalizations, satisfies the demand in market.
The present invention is strengthened the inductance value of coil, thereby can reduce the number of turn of coil owing to adopted coil to embed the mode of magnetic core, saves the copper consumption of coil, approximately than the copper consumption of original air core coil saving more than 15%.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is the structural representation of energy-saving electromagnetic inductive heating device embodiment one;
Fig. 2 is the structural representation of energy-saving electromagnetic inductive heating device embodiment two;
Fig. 3 is the structural representation of energy-saving electromagnetic inductive heating device embodiment three;
Fig. 4 is the structural representation of energy-saving electromagnetic inductive heating device embodiment four;
Fig. 5 is the structural representation of energy-saving electromagnetic inductive heating device embodiment five;
Fig. 6 is the structural representation of energy-saving electromagnetic inductive heating device embodiment six;
Fig. 7 is the structural representation of energy-saving electromagnetic inductive heating device embodiment seven;
Fig. 8 is the structural representation of energy-saving electromagnetic inductive heating device embodiment eight;
Fig. 9 is the structural representation of energy-saving electromagnetic inductive heating device embodiment nine.
Embodiment
As shown in Figure 1, energy-saving electromagnetic inductive heating device of the present invention, comprise coil 2 and several magnetic cores 1, magnetic core 1 can be made by soft magnetic bodies, described magnetic core 1 is a cuboid, one side therein is provided with one or two groove 12, and several magnetic cores 1 are arranged in discoid, and groove 12 is towards same one side.Described coil 2 is arranged in the middle of the groove 12 of the magnetic core 1 that is arranged in together, its set-up mode is that coil 2 windings are installed in coiling in the groove 12 of magnetic core 1, make each winding and magnetic core element form independently magnetic circuit, and become the magnetic line of force all to concentrate on magnetic core inner and form close-coupled with heating load by the magnetic line of force structure of dispersing of air core coil, this close-coupled has been strengthened power conversion and the transmission between electromagnetic induction coil and the heating load, the efficiency of heating surface is got a promotion, and power consumption is reduced.
Pass to alternating current during use in coil, then produce the magnetic line of force in magnetic core, the magnetic line of force produces vortex flow with the heating load coupling, reaches the purpose of heating.
As shown in Figure 2, described several magnetic cores 1 are arranged in fan-shaped, are embedded with the coil of forming with electric conducting material (copper or aluminium etc.) at groove 12 places of magnetic core, in coil, pass to alternating current, then magnetic element produces the magnetic line of force, and the magnetic line of force produces vortex flow with the heating load coupling, reaches the purpose of heating.
As shown in Figure 3, described several magnetic cores 1 are arranged in arc surfaced.Be embedded with the coil of forming with electric conducting material (copper or aluminium etc.) at groove 12 places of magnetic core, pass to alternating current in coil, then magnetic element produces the magnetic line of force, and the magnetic line of force produces vortex flow with the heating load coupling, reaches the purpose of heating.
Embodiment 4
As shown in Figure 4, this embodiment is combined into disc by the fan-shaped magnetic core described in three groups of embodiment 2 and coil serial or parallel connection or connection in series-parallel, also can be only in parallel connection is used in one or more groups winding coil by electric current to reach the purpose of localized heating.
Embodiment 5
As shown in Figure 5, this embodiment is combined into cylindrical shape by the magnetic core of the arc surfaced described in three groups of embodiment 3 and coil serial or parallel connection or connection in series-parallel, and for pipe, the heating of the elongate tubular object of square tube etc. is beneficial especially by this.
Embodiment 6
As shown in Figure 6, this embodiment is by the fan-shaped magnetic core described in many groups embodiment 2 and coil serial or parallel connection or series-parallel different dish type, in coil, pass to alternating current, then magnetic element produces the magnetic line of force, the magnetic line of force produces vortex flow with the heating load coupling, reach the purpose of heating, also can be only in parallel connection is used in one or more groups winding coil by electric current to reach the purpose of localized heating.
Embodiment 7
As shown in Figure 7, this embodiment is embedded in the planar coil 2 of coiling by single groove disc magnetic core 1 at magnetic core groove 12, in coil 3, pass to alternating current like this, then in the dish type magnetic core, produce the magnetic line of force and and load form closed flux loop, strengthened coupling, the lifting efficiency of heating surface.
Embodiment 8
As shown in Figure 8, this embodiment is by multiple-grooved disc magnetic core 1 (or by many groups of single groove disc magnetic core combinations), be embedded in the planar coil 2 of coiling at magnetic core groove 12, in coil 2, pass to alternating current like this, then in the dish type magnetic core, produce many group magnetic lines of force and and load form and be closed into the flux loop of organizing more, obtain the higher coil combination that is coupled, promote the efficiency of heating surface.
Embodiment 9
As shown in Figure 9, this embodiment is by single groove or the multiple-grooved rectangular magnetic core or the E shape array of cores 1, be embedded in the planar coil 2 of coiling at magnetic core groove 12, in coil 2, pass to alternating current like this, then in the dish type magnetic core, produce many group magnetic lines of force and and load form and be closed into the flux loop of organizing more, obtain the higher coil combination that is coupled, promote the efficiency of heating surface.
In a word; though the present invention has exemplified above-mentioned preferred implementation, should illustrate, though those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (9)
1. energy-saving electromagnetic inductive heating device, it is characterized in that: comprise coil (2) and several magnetic cores (1), described magnetic core (1) is cuboid or disc, one side therein is provided with one or more grooves (12), and described coil (2) is arranged in the middle of the groove (12) of the magnetic core (1) that is arranged in together.
2. according to the described energy-saving electromagnetic inductive heating device of claim 1, it is characterized in that: described several magnetic cores (1) are arranged in disc.
3. according to the described energy-saving electromagnetic inductive heating device of claim 1, it is characterized in that: described several magnetic cores (1) are arranged in fan-shaped.
4. according to the described energy-saving electromagnetic inductive heating device of claim 1, it is characterized in that: described several magnetic cores (1) are arranged in arc surfaced.
5. according to the described energy-saving electromagnetic inductive heating device of claim 3, it is characterized in that: be arranged in fan-shaped magnetic core (1) and the coil serial or parallel connection that is arranged on the magnetic core (1) is formed disc by at least two groups.
6. according to the described energy-saving electromagnetic inductive heating device of claim 4, it is characterized in that: be arranged in the magnetic core (1) of arc surfaced and the coil serial or parallel connection that is arranged on the magnetic core (1) is formed cylindrical shape by at least two groups.
7. according to the described energy-saving electromagnetic inductive heating device of claim 1, it is characterized in that: described magnetic core (1) is single groove or multiple-grooved circle disk.
8. according to the described energy-saving electromagnetic inductive heating device of claim 1, it is characterized in that: described several magnetic cores (1) are arranged in rectangle.
9. according to the described energy-saving electromagnetic inductive heating device of claim 1, it is characterized in that: described magnetic core (1) is single single groove or multiple-grooved rectangular magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100371424A CN101478843A (en) | 2009-02-11 | 2009-02-11 | Energy-saving electromagnetic inductive heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100371424A CN101478843A (en) | 2009-02-11 | 2009-02-11 | Energy-saving electromagnetic inductive heating device |
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| Publication Number | Publication Date |
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| CN101478843A true CN101478843A (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2009100371424A Pending CN101478843A (en) | 2009-02-11 | 2009-02-11 | Energy-saving electromagnetic inductive heating device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017343A (en) * | 2012-12-29 | 2013-04-03 | 德州邸氏电子有限公司 | Ultra-small electromagnetic induction water heating device |
| TWI421161B (en) * | 2011-07-13 | 2014-01-01 | Quanta Comp Inc | High frequency electromagnetic induction heating device and method for using the same to heat surface of mold |
| TWI507284B (en) * | 2011-07-06 | 2015-11-11 | Sheng Jye Huang | Induction heating device for evenly heating a barrel surface |
| CN105072728A (en) * | 2015-08-07 | 2015-11-18 | 湖南千豪机电技术开发有限公司 | Magnetic shielding tube-type electromagnetic induction heating device |
| CN105157069A (en) * | 2015-09-16 | 2015-12-16 | 张家港比迪凯磁技有限公司 | Magnetic core applied to induction cooker |
| CN111316757A (en) * | 2017-11-08 | 2020-06-19 | 三菱电机株式会社 | Induction heating cooker |
| WO2020133101A1 (en) * | 2018-12-27 | 2020-07-02 | 英都斯特(无锡)感应科技有限公司 | Star-star type three-phase induction thermal reactor |
-
2009
- 2009-02-11 CN CNA2009100371424A patent/CN101478843A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI507284B (en) * | 2011-07-06 | 2015-11-11 | Sheng Jye Huang | Induction heating device for evenly heating a barrel surface |
| TWI421161B (en) * | 2011-07-13 | 2014-01-01 | Quanta Comp Inc | High frequency electromagnetic induction heating device and method for using the same to heat surface of mold |
| CN103017343A (en) * | 2012-12-29 | 2013-04-03 | 德州邸氏电子有限公司 | Ultra-small electromagnetic induction water heating device |
| CN103017343B (en) * | 2012-12-29 | 2015-04-22 | 德州邸氏电子有限公司 | Ultra-small electromagnetic induction water heating device |
| CN105072728A (en) * | 2015-08-07 | 2015-11-18 | 湖南千豪机电技术开发有限公司 | Magnetic shielding tube-type electromagnetic induction heating device |
| CN105157069A (en) * | 2015-09-16 | 2015-12-16 | 张家港比迪凯磁技有限公司 | Magnetic core applied to induction cooker |
| CN111316757A (en) * | 2017-11-08 | 2020-06-19 | 三菱电机株式会社 | Induction heating cooker |
| CN111316757B (en) * | 2017-11-08 | 2022-02-18 | 三菱电机株式会社 | Induction heating cooker |
| WO2020133101A1 (en) * | 2018-12-27 | 2020-07-02 | 英都斯特(无锡)感应科技有限公司 | Star-star type three-phase induction thermal reactor |
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Application publication date: 20090708 |