CN105403041A - Intermediate-frequency induction coil - Google Patents
Intermediate-frequency induction coil Download PDFInfo
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- CN105403041A CN105403041A CN201510870655.9A CN201510870655A CN105403041A CN 105403041 A CN105403041 A CN 105403041A CN 201510870655 A CN201510870655 A CN 201510870655A CN 105403041 A CN105403041 A CN 105403041A
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Abstract
The invention discloses an intermediate-frequency induction coil which comprises active coils, empty coils, a plurality of bakelite rollers and a magnetic shielding plate, wherein the active coils are arranged on the periphery of a crucible from top to bottom independently in groups, and each group of the active coils is provided with a water cable inlet and a water cable outlet; the empty coils are located at the upper portion and the lower portion of the multiple groups of independent active coils and have a magnetic shielding effect; and the bakelite rollers are located around the active coils and the empty coils and used for fixing the active coils and the empty coils into a whole. The intermediate-frequency induction coil is provided with the multiple groups of active coils which are fixed on the periphery of the crucible and can be matched with a set of an intermediate-frequency power supply intelligent adjustment system for use, so that output currents of all the groups of the active coils are distributed according to the height of the level of a metal melting liquid, the intelligent adjustment for intermediate-frequency induction heating is achieved, the power distribution is optimized, and the maximization of efficiency utilization is achieved.
Description
Technical field
The present invention relates to vacuum induction melting furnace field, particularly a kind of Medium frequency induction coil.
Background technology
Now, vacuum induction melting furnace is a kind of important metallurgical equipment, be utilize electromagnetic induction principle to produce eddy current heat to do thermal source, heat de-airing, fusing, refining carried out to metal charge various in crucible, reach that furnace charge fully melts, composition accurately and the object be evenly distributed.
Along with furnace charge is molten into liquid state from solid-state, decline gradually above furnace charge, the heating effect of coil upper semisection to furnace charge weakens gradually, simultaneously for keeping the full liquid status of furnace charge, intermediate frequency power supply continues to induction coil output current, especially at refining stage, can be down to crucible meta above furnace charge, in order to reach good mixing effect, central source of power still keeps the output of larger current.Obviously, in whole fusion process, the eddy current heat that coil produces fails to be utilized fully, and utilization results of energy is undesirable.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of simple and reasonable Medium frequency induction coil, this Medium frequency induction coil has the coil that many groups are fixed on crucible periphery, can with a set of intermediate frequency power supply intelligent regulating system with the use of, thus implement to distribute to the output current of each group of coil according to the height of metal molten liquid level, realize the Intelligent adjustment of Frequency Induction Heating, optimizing power distributes, and realizes usefulness and utilizes maximization.
For achieving the above object, according to the invention provides a kind of Medium frequency induction coil, comprising: coil, it is many groups that are independently arranged on crucible periphery from top to bottom, and this is respectively organized coil and all has water cable access and water cable outlet; Empty circle, it is positioned at the upper and lower of these many groups independently coils, has magnetic screening action; Many bakelite rollers, it is positioned at the surrounding of described coil and empty circle, for enclosing fixing as a whole by described coil, sky; And magnetic shield panel.
Preferably, in technique scheme, coil is two groups that are independently arranged on crucible periphery from top to bottom, is respectively first group of coil and is positioned at second group of coil of this first group of coil bottom.
Preferably, in technique scheme, coil and empty circle all adopt glass fiber strap to dip in insulated paint wrapping copper pipe, and in the overall brush ring epoxy resins of outermost layer.
Preferably, in technique scheme, often organize described number of active coils and be at least seven circles.
Preferably, in technique scheme, water cable access and water cable outlet adopt brass full weld technique to weld with each group of coil.
Preferably, in technique scheme, bakelite roller described in every root has set bolt, described set bolt is used for coil, empty circle to fix as a whole.
Compared with prior art, the present invention has following beneficial effect: this Medium frequency induction coil has the coil that many groups are fixed on crucible periphery, can with a set of intermediate frequency power supply intelligent regulating system with the use of, thus implement to distribute to the output current of each group of coil according to the height of metal molten liquid level, realize the Intelligent adjustment of Frequency Induction Heating, optimizing power distributes, and realizes usefulness and utilizes maximization.
Accompanying drawing explanation
Fig. 1 is the structural representation of Medium frequency induction coil of the present invention.
Fig. 2 is the fit structure schematic diagram of Medium frequency induction coil of the present invention and intermediate frequency power supply intelligent regulating system.
Fig. 3 is the using state structural representation of Medium frequency induction coil of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Figure 1, comprise according to the concrete structure of the Medium frequency induction coil of the specific embodiment of the invention: coil, empty circle 2, bakelite rod 3 and magnetic shield panel (not shown).Wherein, coil is many groups that are independently arranged on crucible periphery from top to bottom, each group of coil all has water cable access and the water cable outlet of a group position, the intermediate frequency power supply intelligent regulating system matched with novel intermediate frequency coil of the present invention respectively can organize the electric current of coil according to the height smart allocation of metal molten liquid level, thus optimizing power distributes, realize usefulness and utilize maximization.Empty circle 2 lays respectively at the upper and lower of these many groups independently coils, has magnetic screening action.Bakelite roller 3 is positioned at the surrounding of coil and empty circle 2, for enclosing fixing as a whole by coil, sky.This Medium frequency induction coil has the coil that many groups are fixed on crucible periphery, can with a set of intermediate frequency power supply intelligent regulating system with the use of, thus implement to distribute to the output current of each group of coil according to the height of metal molten liquid level, realize the Intelligent adjustment of Frequency Induction Heating, optimizing power distributes, and realizes usefulness and utilizes maximization.
Specifically, coil is many groups that are independently arranged on crucible 5 periphery from top to bottom, often organize number of active coils and be at least seven circles, each group coil all has water cable access and the water cable outlet of a group position, and water cable access and water cable outlet adopt brass full weld technique to weld with each group of coil.The intermediate frequency power supply intelligent regulating system matched with novel intermediate frequency coil of the present invention respectively can organize the electric current of coil according to the height smart allocation of metal molten liquid level, thus optimizing power distributes, and realizes usefulness and utilizes maximization.Preferably, coil is two groups that are independently arranged on crucible periphery from top to bottom, be respectively first group of coil 11 and be positioned at second group of coil 12 of this first group of coil 11 bottom, first group of coil 11 has water cable access 13 and the water cable outlet 14 of a group position, second group of coil 12 has water cable access 15 and the water cable outlet 16 of a group position, as shown in Figure 2, along with the decline above furnace charge, intermediate frequency power supply intelligent regulating system reduces the input current on first group of coil 11, increase the input current on second group of coil 12 simultaneously, electromagnetic energy is reached optimum efficiency to the conversion of heat energy.
Empty circle 2 lays respectively at the upper and lower of these many groups independently coils, has magnetic screening action.Coil and empty circle all adopt glass fiber strap to dip in insulated paint wrapping copper pipe, and in the overall brush ring epoxy resins of outermost layer.
Bakelite roller 3 is many, is positioned at the surrounding of coil and empty circle 2, every root bakelite roller has set bolt; Described set bolt is used for coil, empty circle to fix as a whole.Preferably, bakelite roller 3 is the six roots of sensation.
As shown in Figure 3, each group of coil is fixed on crucible periphery by bakelite rod, to in furnace charge heating process, height 4 above induction furnace charge also feeds back to the PLC control cabinet of intermediate frequency power supply intelligent regulating system, PLC is according to the feedback signal received, PLC module is implemented to distribute to the output current of each group of coil, realizes the Intelligent adjustment of Frequency Induction Heating.
To sum up, this Medium frequency induction coil has the coil that many groups are fixed on crucible periphery, can with a set of intermediate frequency power supply intelligent regulating system with the use of, thus implement to distribute to the output current of each group of coil according to the height of metal molten liquid level, realize the Intelligent adjustment of Frequency Induction Heating, optimizing power distributes, and realizes usefulness and utilizes maximization.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (6)
1. a Medium frequency induction coil, is characterized in that, comprising:
Coil, it is many groups that are independently arranged on crucible periphery from top to bottom, and this is respectively organized coil and all has water cable access and water cable outlet;
Empty circle, it is positioned at the upper and lower of these many groups independently coils, has magnetic screening action;
Many bakelite rollers, it is positioned at the surrounding of described coil and empty circle, for enclosing fixing as a whole by described coil, sky; And
Magnetic shield panel.
2. Medium frequency induction coil according to claim 1, is characterized in that, described coil is two groups that are independently arranged on crucible periphery from top to bottom, is respectively first group of coil and is positioned at second group of coil of this first group of coil bottom.
3. Medium frequency induction coil according to claim 1, is characterized in that, described coil and empty circle all adopt glass fiber strap to dip in insulated paint wrapping copper pipe, and in the overall brush ring epoxy resins of outermost layer.
4. Medium frequency induction coil according to claim 1, is characterized in that, often organizes described number of active coils and is at least seven circles.
5. Medium frequency induction coil according to claim 1, is characterized in that, described water cable access and water cable outlet adopt brass full weld technique to weld with each group of coil.
6. Medium frequency induction coil according to claim 1, is characterized in that, bakelite roller described in every root has set bolt, and described set bolt is used for coil, empty circle to fix as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870655.9A CN105403041B (en) | 2015-12-01 | 2015-12-01 | Medium frequency induction coil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870655.9A CN105403041B (en) | 2015-12-01 | 2015-12-01 | Medium frequency induction coil |
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| Publication Number | Publication Date |
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| CN105403041A true CN105403041A (en) | 2016-03-16 |
| CN105403041B CN105403041B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510870655.9A Active CN105403041B (en) | 2015-12-01 | 2015-12-01 | Medium frequency induction coil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328236A (en) * | 2017-07-10 | 2017-11-07 | 济南日业自动化科技有限公司 | Double-zone heat electromagnetism is incubated smelting furnace |
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| US4563558A (en) * | 1983-12-27 | 1986-01-07 | United Technologies Corporation | Directional recrystallization furnace providing convex isotherm temperature distribution |
| CN101105368A (en) * | 2007-08-15 | 2008-01-16 | 苏州工业园区华福科技有限公司 | Line-frequency induction gradient temperature heating oven |
| CN201986196U (en) * | 2010-11-23 | 2011-09-21 | 金川集团有限公司 | Coil assembly of induction heating furnace |
| CN202009508U (en) * | 2011-03-01 | 2011-10-12 | 宝山钢铁股份有限公司 | Induction heating compound coil for rod blanks |
| CN203687601U (en) * | 2013-12-31 | 2014-07-02 | 北京七星华创磁电科技有限公司 | Sensing coil for heating vacuum melt-spinning furnace crucible |
| CN204648939U (en) * | 2015-05-22 | 2015-09-16 | 罗文洲 | A kind of vacuum furnace shell |
-
2015
- 2015-12-01 CN CN201510870655.9A patent/CN105403041B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4563558A (en) * | 1983-12-27 | 1986-01-07 | United Technologies Corporation | Directional recrystallization furnace providing convex isotherm temperature distribution |
| CN101105368A (en) * | 2007-08-15 | 2008-01-16 | 苏州工业园区华福科技有限公司 | Line-frequency induction gradient temperature heating oven |
| CN201986196U (en) * | 2010-11-23 | 2011-09-21 | 金川集团有限公司 | Coil assembly of induction heating furnace |
| CN202009508U (en) * | 2011-03-01 | 2011-10-12 | 宝山钢铁股份有限公司 | Induction heating compound coil for rod blanks |
| CN203687601U (en) * | 2013-12-31 | 2014-07-02 | 北京七星华创磁电科技有限公司 | Sensing coil for heating vacuum melt-spinning furnace crucible |
| CN204648939U (en) * | 2015-05-22 | 2015-09-16 | 罗文洲 | A kind of vacuum furnace shell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328236A (en) * | 2017-07-10 | 2017-11-07 | 济南日业自动化科技有限公司 | Double-zone heat electromagnetism is incubated smelting furnace |
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| CN105403041B (en) | 2017-10-17 |
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Denomination of invention: Intermediate frequency induction coil Effective date of registration: 20230717 Granted publication date: 20171017 Pledgee: China CITIC Bank Co.,Ltd. Taiyuan Branch Pledgor: SINO MAGNETICS TECHNOLOGY Co.,Ltd. Registration number: Y2023140000039 |