CN101800126A - Preparation process of low-magnetic-leakage air-gap-free annular iron core and product thereof - Google Patents
Preparation process of low-magnetic-leakage air-gap-free annular iron core and product thereof Download PDFInfo
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- CN101800126A CN101800126A CN 201010143886 CN201010143886A CN101800126A CN 101800126 A CN101800126 A CN 101800126A CN 201010143886 CN201010143886 CN 201010143886 CN 201010143886 A CN201010143886 A CN 201010143886A CN 101800126 A CN101800126 A CN 101800126A
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- iron core
- annular iron
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims 4
- 239000003973 paint Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 11
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000137 annealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 11
- 239000000696 magnetic material Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005267 amalgamation Methods 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
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Abstract
The invention relates to a process for preparing a low-magnetic-leakage air-gap-free annular iron core, which comprises the following steps of: fixing the annular iron core on a processing equipment fixture to enable the cutting knife to beThe iron core is divided according to a straight line track passing through the center of a circle in the annular iron core, so that the iron core is evenly divided into a plurality of blocks in sequence at 360 degrees; the invention also provides the low-magnetic-leakage air-gap-free annular iron core prepared by the process, which comprises an annular silicon steel iron core formed by winding a silicon steel sheet subjected to annealing treatment at high temperature, wherein the surface of the silicon steel sheet forming the iron core is provided with an insulating coating subjected to high-temperature treatment; it is characterized in that the iron core is divided into symmetrical and equal 2 parts by a cutting tool according to a straight line track passing through the center of a circle in the annular iron corenAnd the blocks, wherein n is a natural number not less than 0, disperse the magnetic leakage area in a mode of opening two or more than two air gaps at a fixed angle, finally achieve the preparation process of low magnetic leakage, and the iron core processed by multiple air gaps has obvious energy-saving effect.
Description
Technical field
The present invention relates to a kind of assembly manufacturing technology of ringlike induction ballast, relate in particular to a kind of preparation technology and goods thereof of low magnetic leakage and air gap-free annular iron core.
Background technology
The inventor early stage application number be in 200810126349.4 the invention, can not lose and the high-temperature processing method of the non-orientation magnetic material of reinforcing material magnetic conduction effect by high-temperature process, insulation property but provide a kind of.
The advantage of this invention is: since its adopt be to non-orientation magnetic material at high temperature, carry out annealing in process under 740～780 ℃ the furnace temperature, this magnetic material reducing property reaches optimum state, magnetic property can improve more than 40%; Simultaneously, in order to improve the magnetic property that is provided with the siliceous of insulating barrier, low-carbon (LC) or not siliceous Armco magnetic iron alloy material and goods, before annealing operation, apply the operation of coatings, between material layer, add coating to realize good layer insulation performance, high temperature when utilizing annealing simultaneously carries out silicon infiltration to material, improves the content of silicon in the material, to improve the resistivity and the maximum permeability of iron, reduction coercive force, core loss are iron loss and magnetic hysteresis.
In another application number in inventor early stage is 200810126350.7 invention, but but a kind of withstand high temperatures is disclosed, the layer insulation performance is not lost and the preparation method of the coatings that is used for the non-orientation magnetic material high-temperature process of reinforcing material magnetic conduction effect and this coatings coating.
Its advantage is, this coatings does not contain harmful element, its coating has the good insulation performance performance simultaneously, tack, corrosion resistance are good, can tolerate 740～780 ℃ high temperature, and can be in high-temperature process carry out the siliconising operation, but insulation property are not lost and the reinforcing material magnetic property to magnetic material; The preparation method of its coating, because it carries out synchronously in coiling or laminating operation, material fully can be filled the micro gap that produces because of material deformation and infiltrate into material internal, when carrying out high-temperature process again, can further promote the siliconising effect, operation is few, and is effective, significantly improve the resistivity and the maximum permeability of iron, reduction coercive force, core loss are iron loss and magnetic hysteresis.
Aforementioned invention can be widely used in the manufacturing of magnetic core, inductance coil, motor, generator, transformer and other electric equipment or goods.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of technology of utilizing the low magnetic leakage and air gap-free annular iron core that aforementioned non-orientation magnetic material makes.
Its technical scheme is: a kind of technology for preparing low magnetic leakage and air gap-free annular iron core, may further comprise the steps: annular core is fixed on the process equipment anchor clamps, make cutting tool by cutting apart, make described iron core on 360 °, be equally divided into most pieces successively by the straight path in the center of circle in the described annular core; This iron core is cut cutter and is divided into 2 of symmetry and equalization by the straight path by the center of circle in the annular core
nPiece, wherein n is 〉=0 natural number.
Described iron core be divided into symmetry two to eight in one of two natural number power time square number any.
Described iron core is divided into symmetry and impartial two for the first time, then with it along the line of cut amalgamation; Make again cutting tool by the straight path by the center of circle in the described annular core and perpendicular to the first time cut-off rule direction carry out the cutting second time, cut into symmetry and impartial four for the second time, at last with it along the line of cut amalgamation.
Make cutting tool by the straight path by the center of circle in the described annular core and with the first time cut-off rule direction at 45 and 135 ° carry out the 3rd and four cutting, cut into symmetry and impartial eight, at last with it along the line of cut amalgamation.
Described cutting tool adopts Wire EDM, makes chipping allowance as far as possible little, and surface smoothness is high as far as possible.
The technological parameter of described Wire EDM is as follows:
Electric current is 2A-3.5A;
Cutting speed is 1.5-2.5mm/min;
Cutting silk specification is the molybdenum filament of diameter of phi 0.18mm.
The technical problem to be solved in the present invention provides a kind of low magnetic leakage and air gap-free annular iron core and preparation technology thereof who utilizes non-orientation magnetic material and technology to make.Its technical scheme is
The present invention also provides the goods that adopt the low magnetic leakage and air gap-free annular iron core technology of aforementioned preparation, promptly adopts the low magnetic leakage and air gap-free annular iron core of this prepared.
Its technical scheme is as follows: a kind of low magnetic leakage and air gap-free annular iron core according to the low magnetic leakage and air gap-free annular iron core prepared of aforementioned preparation, it is characterized in that: comprise that high temperature carries out the annular silicon steel core that the silicon steel sheet of annealing in process is wound into, there is the coatings coating through high-temperature process on the surface of forming the silicon steel sheet of this iron core; Described iron core is equally divided into most pieces on 360 °; This iron core is cut cutter and is divided into 2 of symmetry and equalization by the straight path by the center of circle in the annular core
nPiece, wherein n is 〉=0 natural number; Described iron core be divided into symmetry two to eight in one of two natural number power time square number any.
The present invention has following beneficial effect: the present invention is equally divided into most pieces with iron core on 360 °, open the mode of two or more a plurality of air gaps with fixing angle, disperse the leakage field zone, finally reach the preparation technology of low magnetic leakage, iron core after too much air gap is processed, by following test mode, can reach following energy-conservation requirement when being applied to energy-conservation Inductive ballast:
To use low magnetism leakage not have the ballast of air gap annular core coiling under rated voltage, work with a lamp that is suitable for, after lamp reaches stable state, be 1mm with a thickness earlier, length all directly contacts with the bottom surface of ballast greater than the steel plate of ballast corresponding size with width, makes its each surface that is in ballast at a distance of the 1mm position again.
In this operating period, measure the electric current of lamp, owing to the existence of steel plate causes that the variation of lamp current should be no more than 2%.
Description of drawings
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
Fig. 1 is the artwork of embodiment one;
Fig. 2 is the stereogram of embodiment one;
Fig. 3 is the artwork of embodiment two;
Fig. 4 is the stereogram of embodiment two
Fig. 5 is the artwork of embodiment three;
Fig. 6 is the stereogram of embodiment three.
Embodiment
Embodiment one:
Annular core is fixed on the air gap process equipment anchor clamps, makes cutting tool, produce and once be divided into two halves, as depicted in figs. 1 and 2 by cutting apart by the straight path in the center of circle in the annular core.Described cutting tool adopts Wire EDM, and the technological parameter of Wire EDM is as follows:
Electric current is 2A-3.5A;
Cutting speed is 1.5-2.5mm/min;
Cutting silk specification is the molybdenum filament of diameter of phi 0.18mm.
Fig. 1 is the artwork of present embodiment, by diagram cutting trace iron core is divided into two; Fig. 2 is the stereogram of present embodiment, iron core is shown by the stereochemical structure after cutting apart.
Embodiment two:
The first step: annular core is fixed on the air gap process equipment anchor clamps, make cutting tool by cutting apart by the straight path in the center of circle in the annular core, second step: make cutting tool by straight path by the center of circle in the annular core, and perpendicular to cutting apart for the first time track, cut apart the generation secondary splitting and become four, as shown in Figure 3 and Figure 4.Described cutting tool adopts Wire EDM, and the technological parameter of Wire EDM is as follows:
Electric current is 2A-3.5A;
Cutting speed is 1.5-2.5mm/min;
Cutting silk specification is the molybdenum filament of diameter of phi 0.18mm.
Fig. 3 is the artwork of present embodiment, by diagram cutting trace iron core two is divided into four; Fig. 4 is the stereogram of present embodiment, iron core is shown by the stereochemical structure after cutting apart.
Embodiment three:
Mode as shown in Figure 5.
The first step is fixed on annular core on the air gap process equipment anchor clamps, makes cutting tool by cutting apart first cutter by the straight path in the center of circle in the annular core;
Second step, adjust the cutting tool position, make the second cutter position and first cutter spacing be set to 90 degree angles and cut apart;
The 3rd step, adjust the cutting tool position, the 3rd cutter position and first cutter position are cut apart in angle of 45 degrees;
The 4th step, adjust the cutting tool position, make the four blade position and first cutter spacing be set to 135 degree angles and cut apart.Described cutting tool adopts Wire EDM, and the technological parameter of Wire EDM is as follows:
Electric current is 2A-3.5A;
Cutting speed is 1.5-2.5mm/min; Cutting silk specification is the molybdenum filament of diameter of phi 0.18mm.
Obtain at last as shown in Figure 6 four be divided into eight stereochemical structure.
The invention is not restricted to the foregoing description.Can also continue aforementioned eight symmetries also are divided into 16 equably, go on always.
Open the mode of two or more a plurality of air gaps with fixing angle, disperse the leakage field zone, finally reach the preparation technology of low magnetic leakage, the iron core after too much air gap is processed by following test mode, can reach following energy-conservation requirement when being applied to energy-conservation Inductive ballast:
To use low magnetism leakage not have the ballast of air gap annular core coiling under rated voltage, work with a lamp that is suitable for, after lamp reaches stable state, be 1mm with a thickness earlier, length all directly contacts with the bottom surface of ballast greater than the steel plate of ballast corresponding size with width, makes its each surface that is in ballast at a distance of the 1mm position again.
In this operating period, measure the electric current of lamp, owing to the existence of steel plate causes that the variation of lamp current should be no more than 2%.
Along with divided number of times also is increasing of piece number, energy-saving effect is obvious more.
The present invention is not limited to above-mentioned execution mode, and same or analogous method of every employing and the present invention or structure realize all modes of the object of the invention, all within protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010143886 CN101800126A (en) | 2010-04-12 | 2010-04-12 | Preparation process of low-magnetic-leakage air-gap-free annular iron core and product thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010143886 CN101800126A (en) | 2010-04-12 | 2010-04-12 | Preparation process of low-magnetic-leakage air-gap-free annular iron core and product thereof |
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| CN101800126A true CN101800126A (en) | 2010-08-11 |
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| CN 201010143886 Pending CN101800126A (en) | 2010-04-12 | 2010-04-12 | Preparation process of low-magnetic-leakage air-gap-free annular iron core and product thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990174A (en) * | 2012-11-26 | 2013-03-27 | 无锡市航鹄科技有限公司 | Milling-cutting integrated processing and positioning frock |
| CN105659707A (en) * | 2013-09-27 | 2016-06-08 | 伊塞卢曼有限责任公司 | Starting device for discharge lamp |
| CN108847340A (en) * | 2018-06-29 | 2018-11-20 | 河南合瑞电气有限公司 | A kind of preparation process of anti-direct current instrument transformer iron core |
| CN110108920A (en) * | 2019-04-23 | 2019-08-09 | 北京航空航天大学 | A kind of insertion type open loop Hall current sensor for intelligent contactor |
| CN112614666A (en) * | 2020-12-07 | 2021-04-06 | 山东航天电子技术研究所 | Magnetic core structure and manufacturing method of large-size spliced transformer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10042573A1 (en) * | 2000-08-15 | 2002-02-28 | Siemens Ag | Toroidal core, has segmental design with air-gaps formed by webs between adjacent chambers |
| CN101047060A (en) * | 2006-03-30 | 2007-10-03 | 越峯电子材料股份有限公司 | Micro-gap annular iron core process |
| CN101314807A (en) * | 2008-06-26 | 2008-12-03 | 陈球南 | High-temperature processing method for non-orientation magnetic material |
-
2010
- 2010-04-12 CN CN 201010143886 patent/CN101800126A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10042573A1 (en) * | 2000-08-15 | 2002-02-28 | Siemens Ag | Toroidal core, has segmental design with air-gaps formed by webs between adjacent chambers |
| CN101047060A (en) * | 2006-03-30 | 2007-10-03 | 越峯电子材料股份有限公司 | Micro-gap annular iron core process |
| CN101314807A (en) * | 2008-06-26 | 2008-12-03 | 陈球南 | High-temperature processing method for non-orientation magnetic material |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990174A (en) * | 2012-11-26 | 2013-03-27 | 无锡市航鹄科技有限公司 | Milling-cutting integrated processing and positioning frock |
| CN105659707A (en) * | 2013-09-27 | 2016-06-08 | 伊塞卢曼有限责任公司 | Starting device for discharge lamp |
| CN108847340A (en) * | 2018-06-29 | 2018-11-20 | 河南合瑞电气有限公司 | A kind of preparation process of anti-direct current instrument transformer iron core |
| CN110108920A (en) * | 2019-04-23 | 2019-08-09 | 北京航空航天大学 | A kind of insertion type open loop Hall current sensor for intelligent contactor |
| CN110108920B (en) * | 2019-04-23 | 2020-07-03 | 北京航空航天大学 | Embeddable open-loop Hall current sensor for intelligent contactor |
| CN112614666A (en) * | 2020-12-07 | 2021-04-06 | 山东航天电子技术研究所 | Magnetic core structure and manufacturing method of large-size spliced transformer |
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Open date: 20100811 |