CN104575974B - Transformer core positioning structure and method - Google Patents
Transformer core positioning structure and method Download PDFInfo
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- CN104575974B CN104575974B CN201410837776.9A CN201410837776A CN104575974B CN 104575974 B CN104575974 B CN 104575974B CN 201410837776 A CN201410837776 A CN 201410837776A CN 104575974 B CN104575974 B CN 104575974B
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Abstract
The invention provides a transformer core positioning structure and method. The novel transformer core positioning structure comprises a core and a tooling explorator. The upper end of the core is provided with an upper yoke, and the lower end of the core is provided with a lower yoke. Side columns are arranged on two lateral sides of the core. A middle column is arranged in the middle of the core and parallel to the side columns. The side columns are perpendicular to the yokes. The yokes, the side columns and the middle column are provided with positioning holes in rectangular shapes. The end of the tooling explorator is rectangular shaped and matched with the rectangular positioning holes. According to the arrangement, the traditional core positioning holes are modified, the circular core center holes are transformed into rectangular positioning holes in the edges of a silicon steel sheet, allowing section area of core punched hole to be decreased by 80%, then diffraction size of main flux of the core punched hole is reduced, and increasing of local flux density at the core holes is curbed, so that core loss, no-load current value and noise level value are improved.
Description
Technical field
The present invention relates to the technical field of transformer iron core structure, and in particular to a kind of transformer core location structure and its
Localization method.
Background technology
With the continuous development of transformer industry technology, the performance level of transformator requires more and more higher, energy-efficient to be
The major trend of transformator development.At present, the market competition both domestic and external becomes a flash point increasingly, cost of human resources also more and more higher,
How to raise labour productivity is one of main direction of Transformer Manufacturing Enterprises, in China's Transformer Manufacturing Enterprises, unshakable in one's determination
Lamination be also mainly by manpower completing, and the long circle-shaped iron core structure lamination thickness of main flow is big, and artificial lamination man-hour number is just
It is many, manufacturing schedule is not only have impact on, labor cost is also increased.In order to improve core-lamination stack efficiency, often increase on iron core
Plus fabrication hole, as shown in figure 1, the finishing time unshakable in one's determination can be so reduced, but iron core increased its effective magnetic conduction after fabrication hole
Sectional area also reduces therewith, is also not quite similar according to size its impact of fabrication hole, to transformator sound level level, open circuit loss and
The parameters such as open-circuit excitation electric current have a certain impact.Solution is：Core-diameter can be increased increases the consumptive material of stalloy
Can be improved to reduce the parameters such as magnetic flux density, the specific loss of such stalloy；Such as increase stalloy seam level in addition
Number, the performance trades mark for improving stalloy or by way of a piece of one is folded optimizing lamination process coefficient etc., but these measures are all
Material to be increased or cost of human resources.So, how to improve existing iron core laminating technology hole, carry out improve production efficiency
It is the R＆D personnel and enterprise's economic benefits problem encountered.
The content of the invention
The present invention is in order to solve drawbacks described above present in prior art and deficiency, there is provided a kind of transformer core positioning
Structure and its localization method, punching area are greatly reduced, it is possible to increase the magnetic conduction sectional area of punching local unshakable in one's determination, so as to improve change
Depressor performance parameter unshakable in one's determination.
To solve above-mentioned technical problem, the present invention provides a kind of transformer core location structure, and its spy is：Including iron core
With frock pattern, the upper end unshakable in one's determination is provided with upper yoke, and the lower end unshakable in one's determination is provided with lower yoke, the left and right sides difference unshakable in one's determination
Be provided with side column, the middle part unshakable in one's determination is provided with center pillar, and the side column is parallel with the center pillar, the side column and the upper yoke, under
Yoke is vertical, and the upper yoke, lower yoke, side column, center pillar are provided with location hole, and the location hole is triangle, the frock pattern
End is triangle, and is coincide with the triangle location hole.
Preferably, the triangle location hole is located at the upper yoke, lower yoke, side column, the edge of center pillar.
Preferably, the triangle location hole is located at the upper yoke, lower yoke, the inward flange of side column or outer edge.
Preferably, the height of the triangle location hole is 3-10mm.
Preferably, the height of the triangle location hole is 5mm.
Preferably, the punching sectional area of the triangle location hole is 12-15mm2。
Preferably, the punching junction product of the triangle location hole is 14.4mm2。
The localization method of transformer core location structure, comprises the following steps：
Step one, mounting tool pattern：By the frock pattern be fixedly mounted on it is described iron core center pillar, side column and on
The position of yoke, lower yoke；
Step 2, lamination；
Step 3, correction unshakable in one's determination：Perpendicularity unshakable in one's determination, flatness are corrected using frock or measurer.
In the step 2, the frock pattern is close on the stalloy of the iron core.
Size adjusting of the position of the frock pattern according to every grade of stalloy of the iron core.
The Advantageous Effects reached by the present invention：
In the middle of traditional iron core punching generally >=circular hole of Φ 10mm, its take the net sectional area of stalloy >=
78.5mm2, according to actual tests data, compared with the iron core without punching, its open circuit loss will increase by 3% or so to the structure, no-load current
10% or so is improved, noise level increases 1dB.The present invention by reforming to traditional iron core technology hole, by circular ferrum
Between in the heart, fabrication hole is changed into the triangle technology hole at stalloy edge so that the sectional area of punching unshakable in one's determination reduces 80%, ferrum
The diffraction size of heart punching main flux reduces therewith, and at fabrication hole unshakable in one's determination, magnetic close elevated phenomenon in local can be eased, ferrum
Heart loss, no-load current value and noise level value can be effectively improved.
Description of the drawings
Fig. 1 tradition iron core location hole structural representations；
Fig. 2 present invention iron core location hole structural representations；
Fig. 3 frock profiling structure schematic diagrams of the present invention.
Wherein：1 upper yoke；2 times yokes；3 triangle location holes；4 frock patterns；5 side columns；6 center pillars.
Specific embodiment
It is in order to auditor can be better understood by technical characteristic, technology contents and its technique effect for reaching of the present invention, existing
The accompanying drawing of the present invention is described in detail in conjunction with the embodiments.However, shown accompanying drawing, is intended merely to better illustrate this
Bright technical scheme, be not the present invention actual proportions and best allocation, so, ask auditor should not with regard to accompanying drawing ratio row and
Configuration, limits the claims of the present invention.
With reference to the accompanying drawings and examples patent of the present invention is further illustrated.
As Figure 1-3, the present invention provides a kind of transformer core location structure, including unshakable in one's determination and frock pattern 4, described
Upper end unshakable in one's determination is provided with upper yoke 1, and the lower end unshakable in one's determination is provided with lower yoke 2, described unshakable in one's determination to be respectively arranged on the left side and the right side side column 5, institute
The middle part for stating iron core is provided with center pillar 6, and the side column 5 is parallel with the center pillar 6, and the side column 5 is hung down with the upper yoke 1, lower yoke 2
Directly, the upper yoke 1, lower yoke 2, side column 5, center pillar 6 are provided with location hole 3, and the location hole is triangle, the frock pattern
4 ends are triangle, and are coincide with the triangle location hole 3.
The triangle location hole 3 is located at the upper yoke 1, lower yoke 2, side column 5, the outer edge of center pillar 6, can be according to need
Triangle location hole 3 is arranged on into upper yoke 1, lower yoke 2, the inward flange of side column 5 or outer edge.
After iron core increased fabrication hole, its effective magnetic conduction sectional area also reduces therewith, according to its impact of the size of fabrication hole
It is not quite similar, the parameters such as transformator sound level level, open circuit loss and open-circuit excitation electric current is had a certain impact, the triangle
The height of location hole is 3-10mm, and punching sectional area is 12-15mm2, especially when the height of the triangle location hole is 5mm,
Punching junction product is 14.4mm2When so that the sectional area of punching unshakable in one's determination reduces 80%, the diffraction size of punching main flux unshakable in one's determination with
Reduction, it is isoparametric on transformator sound level level, open circuit loss and open-circuit excitation electric current to affect minimum.
The localization method of transformer core location structure, comprises the following steps：
Step one, mounting tool pattern 4：By the frock pattern 4 be fixedly mounted on it is described iron core center pillar 6, side column 5 with
And upper yoke 1, the position of lower yoke 2；
Step 2, lamination；Lamination process is traditional lamination process, is not the main innovative point of the present invention, therefore not
Make to describe in detail；
Step 3, correction unshakable in one's determination：Perpendicularity unshakable in one's determination, flatness are corrected using frock or measurer.
During lamination, the frock pattern 4 is close on the stalloy of the iron core, and the position root of frock pattern 4
According to the size adjusting of every grade of stalloy of the iron core, it is ensured that 4 position of frock pattern is accurately firm.
Below the present invention is disclosed with preferred embodiment, so it is not intended to limiting the invention, it is all to take equivalent
Or the technical scheme obtained by the scheme of equivalent transformation, all fall within protection scope of the present invention.
Claims (4)
1. a kind of transformer core location structure, its spy is：Including unshakable in one's determination and frock pattern, the upper end unshakable in one's determination is provided with
Yoke, the lower end unshakable in one's determination are provided with lower yoke, it is described it is unshakable in one's determination be respectively arranged on the left side and the right side side column, during the middle part unshakable in one's determination is provided with
Post, the side column are parallel with the center pillar, and the side column is vertical with the upper yoke, lower yoke, the upper yoke, lower yoke, side column, center pillar
Location hole is provided with, the location hole is triangle, and the frock pattern end is triangle, and fixed with the triangle
Position hole coincide；The triangle location hole is located at the upper yoke, lower yoke, side column, the edge of center pillar；The triangle location hole
Positioned at the upper yoke, lower yoke, the inward flange of side column or outer edge；The height of the triangle location hole is 3-10mm；It is described
The punching sectional area of triangle location hole is 12-15mm2。
2. transformer core location structure according to claim 1, it is characterised in that：The height of the triangle location hole
For 5mm.
3. transformer core location structure according to claim 1, it is characterised in that：The punching of the triangle location hole
Junction product is 14.4mm2。
4. the localization method of transformer core location structure according to claim 1, it is characterised in that：Including following step
Suddenly：
Step one, mounting tool pattern：By the frock pattern be fixedly mounted on the center pillar of the iron core, side column and upper yoke,
The position of lower yoke；
Step 2, lamination；
Step 3, correction unshakable in one's determination：Perpendicularity unshakable in one's determination, flatness are corrected using frock or measurer；
Size adjusting of the position of the frock pattern according to every grade of stalloy of the iron core；
The frock pattern is close on the stalloy of the iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837776.9A CN104575974B (en) | 2014-12-29 | 2014-12-29 | Transformer core positioning structure and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837776.9A CN104575974B (en) | 2014-12-29 | 2014-12-29 | Transformer core positioning structure and method |
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| Publication Number | Publication Date |
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| CN104575974A CN104575974A (en) | 2015-04-29 |
| CN104575974B true CN104575974B (en) | 2017-04-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104810140B (en) * | 2015-05-15 | 2018-03-09 | 东莞市光华实业有限公司 | The transformer core of packaging efficiency can be improved |
| CN106158234B (en) * | 2016-08-31 | 2018-04-13 | 广州市一变电气设备有限公司 | The assemble method of transformer |
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| JP2922506B1 (en) * | 1998-07-30 | 1999-07-26 | 甘霖 顔 | Improved current stabilizer and method of manufacturing the same |
| CN101640107B (en) * | 2009-07-02 | 2011-08-03 | 无锡市普天铁心有限公司 | Full bias seam iron core stepping stacking method |
| CN102082021B (en) * | 2009-11-30 | 2012-02-22 | 成都深蓝高新技术发展有限公司 | Three-phase reactor with six-hole iron core |
| CN204332625U (en) * | 2014-12-29 | 2015-05-13 | 南京大全变压器有限公司 | A kind of transformer core Novel positioning structure |
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