CN102543383B - Amorphous alloy plane stepped iron core and manufacturing method thereof - Google Patents
Amorphous alloy plane stepped iron core and manufacturing method thereof Download PDFInfo
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- CN102543383B CN102543383B CN201210100892.3A CN201210100892A CN102543383B CN 102543383 B CN102543383 B CN 102543383B CN 201210100892 A CN201210100892 A CN 201210100892A CN 102543383 B CN102543383 B CN 102543383B
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Abstract
The invention discloses an amorphous alloy plane stepped iron core, which comprises a template, small iron cores, a big iron core and an internal template mould. The template is divided into an external template and an internal template. The big iron core is located on the inner side of the external template, two small iron cores are arranged in parallel in the big iron core, the internal template is disposed in the middle of each small iron core, the internal template mould is installed in the internal template, and the external template enables the entire core to be bound and formed through binding steel belts. On the design conditions of equal iron core magnetic density, turns per coil and specifications for using wires, materials of circular coils winding round the amorphous alloy plane stepped iron core only account for 91% of square coils winding amorphous alloy single-belt-material iron cores, and materials are effectively saved. In addition, the amorphous alloy plane stepped iron core adopts a closed structure, lap joint ports are not provided, generated magnetizing current is small, generated noise is small, and the amorphous alloy plane stepped iron core is beneficial for creating good work and life environment.
Description
Technical field
The present invention relates to the manufacturing technology field of amorphous alloy iron core, specifically a kind of manufacture method of amorphous alloy plane stepped iron core.
Background technology
Amorphous alloy distribution transformer is a kind of energy-saving controller switching equipment that adopts new material, new construction, new technology, and its core material is a kind of non-crystaline amorphous metal, compared with the traditional silicon iron and steel heart, has outstanding low no-load loss characteristic.Existing amorphous alloy transformer core folds rear extrusion modling by some groups of amorphous alloy strips, for guaranteeing that amorphous alloy strips in amorphous alloy transformer core can be not loose and depart from, amorphous alloy transformer core adopts the silicon steel sheet parcel of 0.3 millimeter conventionally inside and outside iron core, adopts coating adhesive or epoxy resin are cured, seal and insulate and have on iron core on the end face of lap seam of amorphous alloy strips.Said structure is the single band core construction of non-crystaline amorphous metal, so-called single band iron core can only do iron core by the one in 142mm or 170mm or tri-kinds of bands of 213mm exactly, it also can be two-layer, equal 2*142mm or 2*170mm or 2*213mm, making like this coil is a square structure, square coil is many with material, the strength of sudden short circuit is not being evenly distributed on circular coil of distribution of square coil on the other hand, be that anti-short circuit capability is poor, single band iron core is all provided with overlap joint mouthful below in addition, the exciting curent and the noise that produce are larger, bring pollution to surrounding environment.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of amorphous alloy plane stepped iron core, adopt circular coil and staged band winding mold structure, make it have under, coil turn close at equal magnetic unshakable in one's determination, design condition with wire gauge lattice, effectively reduce with the single band of the more existing non-crystaline amorphous metal of material is unshakable in one's determination, can reduce cost of manufacture unshakable in one's determination, reach the effect that improves amorphous alloy core conforming product rate and reduce noise simultaneously.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of amorphous alloy plane stepped iron core, comprise template, little iron core, large unshakable in one's determination, internal mold mold, it is characterized in that: described template is divided into exterior sheathing and inner formword, large iron core is positioned at exterior sheathing inner side, in large iron core, be arranged with side by side two little iron cores, in the middle of each little iron core, be provided with inner formword, internal mold mold is arranged in inner formword.
Described exterior sheathing is by the whole large colligation moulding unshakable in one's determination of colligation steel band.
Another technical problem to be solved by this invention is to provide a kind of manufacture method of above-mentioned amorphous alloy plane stepped iron core.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of manufacture method of amorphous alloy plane stepped iron core, is characterized in that: comprise the following steps:
The first step: rolling: become winding to be divided into 1 of 5 volume 5 amorphous and become winding;
Second step: itemize: step 1 is obtained 1 little band that becomes winding gang tool to be divided into 6-10 specification, width is not respectively 35mm-142mm not etc.;
The 3rd step: winding mold: by band by order from small to large stepped successively round inner formword and the coiling of internal mold mold to the thickness of setting, its thickness be 3.5-26.5mm not etc., form a little iron core, the same little iron core of coiling as stated above again, these two little iron cores are fixed side by side, by band by order from big to small successively round these two little coilings unshakable in one's determination to the thickness of setting, its thickness be 26.5-3.5mm not etc., after be coiled into one large unshakable in one's determination;
The 4th step: annealing: use the method for exterior sheathing and steel band colligation by whole colligation moulding unshakable in one's determination, internal mold mold is taken out, whole iron core is put into amorphous core special annealing furnace, and two little central authorities unshakable in one's determination add vertical magnetoelectricity stream through copper bar, by proprietary annealing process annealing in process;
The 5th step: dipping lacquer: by abundant dipping lacquer in whole the iron core that has moved back fire immersion special epoxy resin paint, then sling to drip off paint, then put into baking oven baking.
It is 142mm, 170mm, 213mm that described amorphous becomes the specification of winding.
The girth of described circular cross-section unshakable in one's determination is 4.72cm.
Described annealing process is at exciting current 750-1200A, is incubated 45-90 minute at 335 ℃-350 ℃, and cooling afterwards is also come out of the stove in the time of 250 ℃, air-cooled fast after coming out of the stove.
The temperature of baking is 110-130 degree, and the time is 2-3 hour.
Beneficial effect of the present invention is: the peripheral girth of amorphous alloy plane stepped iron core provided by the invention is respectively 4.72cm, and the single band core section of traditional non-crystaline amorphous metal girth is 5.18cm, namely equal magnetic unshakable in one's determination is close, coil turn, under design condition with wire gauge lattice, around amorphous alloy plane stepped iron core provided by the invention around circular coil only account for around 91% of the square coil of the single band iron core of non-crystaline amorphous metal with material, effectively saving material, amorphous alloy plane stepped iron core adopts the structure of remaining silent in addition, do not overlap mouth, the exciting curent producing is little, the noise producing is little, be conducive to create good work, living environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The structural representation of Fig. 2 iron core of the present invention.
Wherein, 1-exterior sheathing, 2-inner formword, 3-internal mold mold, the little iron core of 4-, the large iron core of 5-, 6-steel band, 7-band.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
As shown in Figure 1 and Figure 2, a kind of amorphous alloy plane stepped iron core, comprise template, little unshakable in one's determination 5, internal mold mold 3 unshakable in one's determination 4, large, template is divided into exterior sheathing 1 and inner formword 2, large unshakable in one's determination 5 are positioned at exterior sheathing 1 inner side, and large unshakable in one's determination 5 are interiorly provided with inner formwords 2 in the middle of being arranged with side by side two little unshakable in one's determination 4, each little unshakable in one's determination 4, internal mold mold 3 is arranged in inner formword, exterior sheathing by colligation steel band 6 by whole amorphous core colligation moulding.
A manufacture method for amorphous alloy plane stepped iron core, comprises the following steps:
1, rolling: the amorphous that is 142mm, 170mm, 213mm by 5 specifications becomes winding to be divided into 1 of 5 volume and becomes winding;
2, itemize: step is obtained 1 small band material 7 that becomes winding gang tool itemize to become 6-10 specification, width is not respectively 35mm-142mm not etc.The width of the band 7 adopting is in embodiments of the present invention respectively 35mm, 55mm, 75mm, 100mm, 110mm, 120mm, 130mm, 142mm;
3, winding mold: by band 7 by order from small to large stepped successively round inner mold 2 and 3 coilings of internal mold mold to the thickness of setting, its thickness be 3.5-26.5mm not etc., form one little unshakable in one's determination 4, band 7 thickness that adopt are in embodiments of the present invention respectively: 3.5mm, 4.5mm, 9 mm, 5mm, 6mm, 7.5mm, 11mm, 26.5mm.Again as stated above coiling same one little by unshakable in one's determination 4, these two little unshakable in one's determination 4 are fixed side by side, band 7 is coiled into one large unshakable in one's determination 5 round these two little 4 coilings unshakable in one's determination successively by order from big to small after the thickness of setting, the girth of large 5 circular cross-sections unshakable in one's determination is 4.72cm, and the girth of square-section is 5.18cm;
4, annealing: use the method for exterior sheathing 1 and steel band 6 colligations by whole large 5 colligation moulding unshakable in one's determination.Internal mold mold 3 is taken out, put into amorphous core special annealing furnace by whole large unshakable in one's determination 5, two little 4 central authorities unshakable in one's determination add vertical magnetoelectricity stream through copper bar, by proprietary annealing process annealing in process, annealing process is at exciting current 750-1200A, at 335 ℃-350 ℃, be incubated 45-90 minute, cooling afterwards is also come out of the stove in the time of 250 ℃, air-cooled fast after coming out of the stove;
5, dipping lacquer: by abundant dipping lacquer in whole the amorphous core that has moved back fire immersion special epoxy resin paint, then sling to drip off paint, then put into baking oven baking, the temperature 110-130 degree of baking, the time is 2-3 hour.
That in above-described embodiment and specification, describes just illustrates principle of the present invention and most preferred embodiment; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.
Claims (4)
1. a manufacture method for amorphous alloy plane stepped iron core, is characterized in that: comprise the following steps:
The first step: rolling: become winding to be divided into 1 of 5 volume 5 amorphous and become winding;
Second step: itemize: step 1 is obtained 1 little band that becomes winding gang tool to be divided into 6-10 specification, width is not respectively 35mm-142mm not etc.;
The 3rd step: winding mold: by band by order from small to large stepped successively round inner formword and the coiling of internal mold mold to the thickness of setting, its thickness be 3.5-26.5mm not etc., form a little iron core, the same little iron core of coiling as stated above again, these two little iron cores are fixed side by side, by band by order from big to small successively round these two little coilings unshakable in one's determination to the thickness of setting, its thickness be 26.5-3.5mm not etc., after be coiled into one large unshakable in one's determination;
The 4th step: annealing: use the method for exterior sheathing and steel band colligation by whole colligation moulding unshakable in one's determination, internal mold mold is taken out, whole iron core is put into amorphous core special annealing furnace, and two little central authorities unshakable in one's determination add vertical magnetoelectricity stream through copper bar, by proprietary annealing process annealing in process;
The 5th step: dipping lacquer: by abundant dipping lacquer in whole the iron core that has moved back fire immersion special epoxy resin paint, then sling to drip off paint, then put into baking oven baking.
2. the manufacture method of amorphous alloy plane stepped iron core according to claim 1, is characterized in that: it is 142mm, 170mm, 213mm that described amorphous becomes the specification of winding.
3. the manufacture method of amorphous alloy plane stepped iron core according to claim 1, it is characterized in that: described annealing process is at exciting current 750-1200A, at 335 ℃-350 ℃, be incubated 45-90 minute, cooling afterwards is also come out of the stove in the time of 250 ℃, air-cooled fast after coming out of the stove.
4. the manufacture method of amorphous alloy plane stepped iron core according to claim 1, is characterized in that: the temperature of baking is 110-130 degree, and the time is 2-3 hour.
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| CN103943347B (en) * | 2013-01-22 | 2016-12-28 | 新华都特种电气股份有限公司 | The adjustable core of transformer core coiling |
| CN104465058B (en) * | 2014-11-27 | 2017-01-11 | 宁波奥克斯高科技有限公司 | Manufacturing method of transformer body of oil immersion type amorphous alloy transformer |
| CN106356184A (en) * | 2016-10-31 | 2017-01-25 | 安徽皖宏电气设备有限公司 | Amorphous alloy transformer with little noise |
| CN106981355B (en) * | 2017-04-21 | 2019-04-02 | 卧龙电气集团股份有限公司 | A kind of side hanging amorphous alloy chip erector |
| CN108962532A (en) * | 2017-05-19 | 2018-12-07 | 青岛大升电力电气科技有限公司 | A kind of R type discharge coil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2362185Y (en) * | 1999-03-29 | 2000-02-02 | 安泰科技股份有限公司 | Moulding support for core dipping |
| CN101572182A (en) * | 2009-02-27 | 2009-11-04 | 国电环境保护研究院 | Ultracrystalline transformer core manufacturing method and special mould therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS62128510A (en) * | 1985-11-29 | 1987-06-10 | Fuji Electric Co Ltd | Manufacture of wound core for induction apparatus |
| JP4369164B2 (en) * | 2003-06-13 | 2009-11-18 | 株式会社日立産機システム | Method for manufacturing amorphous iron core transformer |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2362185Y (en) * | 1999-03-29 | 2000-02-02 | 安泰科技股份有限公司 | Moulding support for core dipping |
| CN101572182A (en) * | 2009-02-27 | 2009-11-04 | 国电环境保护研究院 | Ultracrystalline transformer core manufacturing method and special mould therefor |
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| JP昭62-128510A 1987.06.10 |
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Address after: 528241 No. 15, Shunjing Avenue, zone B, Lishui hegui Industrial Park, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Zhongyan Magnetoelectric Technology Co.,Ltd. Address before: 528241 No. 15, Shunjing Avenue, zone B, Lishui hegui Industrial Park, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN ZHONGYAN AMORPHOUS TECHNOLOGY Co.,Ltd. |
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