CN104810140B - The transformer core of packaging efficiency can be improved - Google Patents
The transformer core of packaging efficiency can be improved Download PDFInfo
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- CN104810140B CN104810140B CN201510247603.6A CN201510247603A CN104810140B CN 104810140 B CN104810140 B CN 104810140B CN 201510247603 A CN201510247603 A CN 201510247603A CN 104810140 B CN104810140 B CN 104810140B
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 11
- 238000003475 lamination Methods 0.000 claims abstract description 100
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000010008 shearing Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000011161 development Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The present invention disclose a kind of transformer core for improving packaging efficiency, including one or more stack layer for being sequentially stacked, each stack layer include being stacked piece number identical upper yoke lamination, lower yoke lamination, center pillar lamination and both sides side column lamination；Upper yoke lamination includes the upper yoke member more than a piece of, and the stage casing position of upper yoke member forms vee, and the triangular cut of each upper yoke member is along the longitudinally displaced stepping of triangle center line；The left side ora terminalis of each upper yoke member transversely misplaces and side column piece, middle column sheet longitudinal lap joint stepping；Each middle column sheet upper and lower end of center pillar lamination forms triangular part respectively, and it is along longitudinally displaced stepping；The upper and lower ora terminalis of side column piece per side post lamination extend obliquely out setting and its along longitudinally displaced with upper and lower yoke piece longitudinal lap joint stepping；The fabrication hole for being easy to assembling to position is offered on the upper yoke member, lower yoke member, middle column sheet and side column piece；Its is simple to operate, easy to assembly, improves packaging efficiency, saves human cost.
Description
Technical field
The present invention relates to field transformer technology, refers in particular to a kind of transformer core for improving packaging efficiency.
Background technology
Transformer is to convert alternating voltage, electric current and the device of impedance, and transformer is typically all by electromagnetic wire on iron core
Circle coiling forms, an important component of the iron core as transformer, and it is usually to form silicon steel sheet seam, its iron core overlap joint side
The factors such as formula, iron core overlapping technique can also influence open circuit loss, no-load current and noise etc..
In order to further improve the no-load characteristic of transformer core, people are grown on transformer core joint form
The exploration and research of phase, for example, making lamination seam lateral alternate, so as to form step lapped seam, using this seam ratio
The open circuit loss and noise of common seam are decreased obviously, and also improve properties of product.Therefore, step lapped iron core into
For a kind of inexorable trend of transformer manufacturing technological development.However, in the prior art, it forms horizontal stroke typically by stack piecewise
To stepping spacing, its is troublesome in poeration, packaging efficiency is low, expends a large amount of manpowers, is unfavorable for the development of step lapped iron core.
Therefore, it is necessary to work out a kind of new technical scheme to solve the above problems.
The content of the invention
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide one kind can improve assembling to the present invention
The transformer core of efficiency, its is simple to operate, easy to assembly, substantially increases packaging efficiency, saves human cost.
To achieve the above object, the present invention is using following technical scheme：
A kind of transformer core for improving packaging efficiency, include one or more stack layer being sequentially stacked,
Each stack layer includes stacked piece number identical upper yoke lamination, lower yoke lamination, center pillar lamination and both sides side column lamination；
The upper yoke lamination includes the upper yoke member more than a piece of, the stage casing position of upper yoke member formed with vee, its
Left and right ora terminalis is then corresponding respectively to be extended obliquely toward left and right, and the triangular cut of each upper yoke member is longitudinally displaced along triangle center line
Stepping；The left side ora terminalis of each upper yoke member transversely misplaces and side column piece, middle column sheet longitudinal lap joint stepping, the right-hand end of each upper yoke member
Edge then reversely misplaces stepping, and the upper and lower end edge of each upper yoke member accordingly flushes respectively；Under the lower yoke lamination includes more than two panels
Yoke piece, structure of its structure with foregoing upper yoke lamination after the upset of downward 180 degree are identical；
The center pillar lamination includes the middle column sheet more than a piece of, the upper and lower end of the middle column sheet be respectively formed with upper yoke member,
The triangular part of lower yoke member triangular cut adaptation splicing, each middle column sheet physical dimension are identical and along longitudinally displaced stepping；
This includes the side column piece more than a piece of per side post lamination, and the upper and lower ora terminalis of the side column piece, which extends obliquely out, to be set
Put, each side column chip architecture size it is identical and along longitudinally displaced with upper and lower yoke piece longitudinal lap joint stepping, the side column lamination it is upper and lower
End adapts to upper yoke lamination, the end of lower yoke lamination respectively；
The fabrication hole for being easy to assembling to position, and upper yoke are offered on the upper yoke member, lower yoke member, middle column sheet and side column piece
Each fabrication hole face in lamination, each fabrication hole face in lower yoke lamination, each fabrication hole face in center pillar lamination, per side post lamination
Each fabrication hole face.
As a kind of preferred scheme, the upper yoke lamination, lower yoke lamination are formed using stepping shearing, its triangular cut
Triangle center line is respectively positioned on the center line of corresponding middle column sheet.
As a kind of preferred scheme, the longitudinally displaced stepping of the adjacent triangular cut, adjacent side column piece, adjacent middle column sheet
Spacing is equal；The adjacent upper yoke member, the both ends transversion malposition stepping spacing of adjacent lower yoke member are equal.
As a kind of preferred scheme, the longitudinally displaced stepping spacing is more than three millimeters；Between the transversion malposition stepping
Away from for more than three millimeters.
As a kind of preferred scheme, the longitudinally displaced stepping spacing is five millimeters；The transversion malposition stepping spacing is
Five millimeters.
As a kind of preferred scheme, the upper yoke member, lower yoke member, middle column sheet and side column piece corresponding stack layer section it is equal
It is in rectangular configuration.
As a kind of preferred scheme, the upper yoke lamination, lower yoke lamination, center pillar lamination and both sides side column lamination are three-level
Above stepping, the stacked piece number of its stepping overlap joint are the positive integer times of number of steps.
As a kind of preferred scheme, the upper yoke lamination, lower yoke lamination, center pillar lamination and both sides side column lamination are Pyatyi
Stepping, the stacked piece number of its stepping overlap joint are five positive integer times.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand, its mainly by by the triangular cut of upper yoke lamination along the longitudinally displaced stepping of triangle center line, the both sides of upper and lower yoke lamination
Ora terminalis transversely misplaces and side column piece, middle column sheet longitudinal lap joint stepping, and center pillar lamination is vertical along longitudinally displaced stepping, side column lamination edge
To dislocation and upper and lower yoke piece longitudinal lap joint stepping, and it is easy in being offered on upper yoke member, lower yoke member, middle column sheet and side column piece
Assemble positioning fabrication hole, in this way, once can stack multi-disc, its is simple to operate, easy to assembly, substantially increases packaging efficiency,
Human cost is saved, beneficial to the development of step lapped iron core, and it assembles accurate positioning, it is ensured that seam crossing splicing is intact, really
Protect magnetic flux to drop at least in seam crossing loss, reduce open circuit loss and no-load current, reduce noise, improve the product matter of transformer
Amount.
More clearly to illustrate the architectural feature and effect of the present invention, come below in conjunction with the accompanying drawings with specific embodiment to this hair
It is bright to be described in detail.
Brief description of the drawings
Fig. 1 is the assembling perspective representation of embodiments of the present invention；
Fig. 2 a are the upper yoke stepping bonding layer arrangement figures of embodiments of the present invention（Lower yoke is also same）；
Fig. 2 b are the decomposition texture diagrams of upper yoke stepping bonding layer shown in Fig. 2 a；
Fig. 3 is the decomposition texture diagram of the center pillar stepping bonding layer of embodiments of the present invention；
Fig. 4 is the decomposition texture diagram of the side column stepping bonding layer of embodiments of the present invention；
Fig. 5 is the partial enlargement configuration diagram (display center pillar and upper yoke seam relation) in Fig. 1 at A1；
Fig. 6 is the partial enlargement configuration diagram (display center pillar and lower yoke seam relation) in Fig. 1 at A2；
Fig. 7 is the partial enlargement configuration diagram (display side column and up/down yoke seam relation) in Fig. 1 at B1；
Fig. 8 is the partial enlargement configuration diagram (display side column and up/down yoke seam relation) in Fig. 1 at B2；
Fig. 9 is the up/down yoke stepping bonding layer arrangement stereochemical structure diagram of embodiments of the present invention；
Figure 10 is the cross section structure diagram at M-M in Fig. 9；
Figure 11 is another angled arrangement diagram of the stepping bonding layer of up/down yoke shown in Fig. 9；
Figure 12 is the center pillar stepping bonding layer arrangement stereochemical structure diagram of embodiments of the present invention；
Figure 13 is the cross section structure diagram at N-N in Figure 12；
Figure 14 is the side column stepping bonding layer arrangement stereochemical structure diagram of embodiments of the present invention.
Accompanying drawing identifier declaration：
10th, upper yoke lamination 11, upper yoke member
12nd, upper yoke member 13, upper yoke member
14th, upper yoke member 15, upper yoke member
20th, lower yoke lamination 30, center pillar lamination
31st, middle column sheet 40, side column lamination
41st, side column piece 50, fabrication hole.
Embodiment
It refer to shown in Fig. 1 to Figure 14, that show the concrete structure of embodiments of the present invention.
As shown in figure 1, the transformer core includes the stack layer that one or more is sequentially stacked, each stack layer
It is identical to include stacked piece number（Stacked piece number N≤2）Upper yoke lamination 10, lower yoke lamination 20, center pillar lamination 30 and both sides side column
Lamination 40；In the present embodiment, the upper yoke lamination 10, lower yoke lamination 20, center pillar lamination 30 and both sides side column lamination 40 are
Multistage stepping, the stacked piece number of its stepping overlap joint are the positive integer times of number of steps；Three-level above stepping is typically designed to, preferably
It is designed as Pyatyi stepping, then the foregoing stacked piece number of stepping overlap joint is five positive integer times of number of steps.
As shown in Fig. 2 a, Fig. 2 b and Fig. 9 to Figure 11, the upper yoke lamination 10 include number of steps layer upper yoke member (11 12 13
14 15), formed with vee, its left and right ora terminalis is then corresponding respectively to be prolonged obliquely toward left and right at the stage casing position of upper yoke member
Stretch setting, the triangular cut of each upper yoke member is along the longitudinally displaced stepping of triangle center line；The left side ora terminalis of each upper yoke member transversely misplaces
With side column piece, middle column sheet longitudinal lap joint stepping, the right side ora terminalis of each upper yoke member then reversely misplaces stepping, each upper yoke member it is upper and lower
Ora terminalis accordingly flushes respectively；Knot of the structure of the lower yoke lamination 20 equivalent to foregoing upper yoke lamination 10 after the upset of downward 180 degree
Structure；The upper yoke lamination 10, lower yoke lamination 20 are formed using stepping shearing, and the triangle center line of its triangular cut is respectively positioned on accordingly
On the center line of middle column sheet 31, when upper yoke lamination 20 includes monolithic upper yoke member, the triangle center line of its triangular cut also corresponds to position
In on its own center line, when upper yoke lamination 20 includes the upper yoke member of more than two panels, the triangle center line of its triangular cut is then right
It should be located on the integral central line of upper yoke lamination 20.
As shown in Fig. 3, Figure 12 and Figure 13, the center pillar lamination 30 includes middle column sheet 31 more than two panels, the middle column sheet 31
Upper and lower end be respectively formed be adapted to upper yoke member, lower yoke member triangular cut splicing triangular part（As shown in Figure 5 and Figure 6）, respectively
The physical dimension of middle column sheet 31 is identical and along longitudinally displaced stepping.
As shown in Fig. 4 and Figure 14, this includes side column piece 41 more than two panels, the side column piece 41 per side post lamination 40
Upper and lower ora terminalis extend obliquely out setting, each physical dimension of side column piece 41 it is identical and along longitudinally displaced with upper and lower yoke piece longitudinal lap joint
Stepping, the upper and lower end of the side column lamination 40 adapt to upper yoke lamination 10, the end of lower yoke lamination 20 respectively（Such as Fig. 7 and Fig. 8 institutes
Show）.
Foregoing upper yoke member (11 12 13 14 15), lower yoke member, offer on middle column sheet 31 and side column piece 41 and be easy to group
Set the fabrication hole 50 of position, and each face of fabrication hole 50 in upper yoke lamination 10, each face of fabrication hole 50 in lower yoke lamination 20, center pillar
Each face of fabrication hole 50 in lamination 30, per the face of each fabrication hole 50 of side post lamination 40；In this way, pass through the edges such as plastic pipe or rope
Fabrication hole 50 puts on lamination, that is, forms corresponding dislocation stepping relation, and assembling is very convenient quick, substantially increases assembling effect
Rate；In the present embodiment, the adjacent triangular cut, adjacent side column piece 41, the longitudinally displaced stepping spacing of adjacent middle column sheet 31
It is 5 millimeters；The adjacent upper yoke member, the both ends transversion malposition stepping spacing of adjacent lower yoke member are 5 millimeters.
And the upper yoke member, lower yoke member, the section of middle column sheet 31 and side column piece 41 are in rectangular configuration, this kind of structure
More material saving relatively, be advantageous to saving and manufacture cost.
The design focal point of the present invention is that it is mainly by wrong along triangle center line longitudinal direction by the triangular cut of upper yoke lamination
Position stepping, the both sides ora terminalis of upper and lower yoke lamination transversely misplace and side column piece, middle column sheet longitudinal lap joint stepping, center pillar lamination edge
Longitudinally displaced stepping, side column lamination along longitudinally displaced with upper and lower yoke piece longitudinal lap joint stepping, and in upper yoke member, lower yoke member, center pillar
The fabrication hole for being easy to assembling to position is offered on piece and side column piece, in this way, once can stack multi-disc, its is simple to operate, assembling
It is convenient, packaging efficiency is substantially increased, saves human cost, beneficial to the development of step lapped iron core, and it assembles positioning accurate
It is accurate, it is ensured that seam crossing splicing is intact, it is ensured that magnetic flux drops to minimum, reduction open circuit loss and no-load current, drop in seam crossing loss
Low noise, improve the product quality of transformer.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example, still
Belong in the range of technical solution of the present invention.
Claims (1)
- A kind of 1. transformer core for improving packaging efficiency, it is characterised in that：Include one or more to be sequentially stacked Stack layer, each stack layer includes stacked piece number identical upper yoke lamination, lower yoke lamination, center pillar lamination and both sides side column and folds Piece；The upper yoke lamination includes the upper yoke member more than a piece of, and formed with vee, its is left and right at the stage casing position of upper yoke member Ora terminalis is then corresponding respectively to be extended obliquely toward left and right, and the triangular cut of each upper yoke member is along the longitudinally displaced stepping of triangle center line； The left side ora terminalis of each upper yoke member transversely misplaces and side column piece, middle column sheet longitudinal lap joint stepping, and the right side ora terminalis of each upper yoke member is then Reversely dislocation stepping, the upper and lower end edge of each upper yoke member accordingly flush respectively；The lower yoke lamination includes lower yoke more than two panels Piece, structure of its structure with foregoing upper yoke lamination after the upset of downward 180 degree are identical；The center pillar lamination includes the middle column sheet more than a piece of, and the upper and lower end of the middle column sheet is respectively formed with and upper yoke member, lower yoke The triangular part of piece triangular cut adaptation splicing, each middle column sheet physical dimension are identical and along longitudinally displaced stepping；Include the side column piece more than a piece of per side post lamination, the upper and lower ora terminalis of the side column piece extends obliquely out setting, each side Post chip architecture size is identical and is fitted respectively with upper and lower yoke piece longitudinal lap joint stepping, the upper and lower end of the side column lamination along longitudinally displaced End assigned in upper yoke lamination, lower yoke lamination；The fabrication hole for being easy to assembling to position, and upper yoke lamination are offered on the upper yoke member, lower yoke member, middle column sheet and side column piece Interior each fabrication hole face, each fabrication hole face in lower yoke lamination, each fabrication hole face in center pillar lamination, per each of side post lamination Fabrication hole face；The upper yoke lamination, lower yoke lamination are formed using stepping shearing, the triangle center line of its triangular cut be respectively positioned on it is corresponding in On the center line of post piece;When upper yoke lamination includes monolithic upper yoke member, the triangle center line of its triangular cut is also corresponding to be located at it certainly On body center line, when upper yoke lamination includes the upper yoke member of more than two panels, the triangle center line of its triangular cut is then corresponded to positioned at upper On the integral central line of yoke lamination；The adjacent triangular cut, adjacent side column piece, the longitudinally displaced stepping spacing of adjacent middle column sheet are equal；The adjacent upper yoke Piece, the both ends transversion malposition stepping spacing of adjacent lower yoke member are equal；The upper yoke member, lower yoke member, the longitudinal cross-section of middle column sheet and side column piece are in rectangular configuration, the upper yoke member, lower yoke member, The longitudinal cross-section of the corresponding stack layer of middle column sheet and side column piece is in rectangular configuration, and its lateral cross section is non-rectangle parallel four Side shape structure；The longitudinally displaced stepping spacing is more than three millimeters；The transversion malposition stepping spacing is more than three millimeters；It is described vertical It it is five millimeters to dislocation stepping spacing；The transversion malposition stepping spacing is five millimeters；The upper yoke lamination, lower yoke lamination, center pillar lamination and both sides side column lamination are three-level above stepping, and its stepping overlap joint is folded Put the positive integer times that piece number is number of steps；The upper yoke lamination, lower yoke lamination, center pillar lamination and both sides side column lamination are five Level stepping, the stacked piece number of its stepping overlap joint are five positive integer times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247603.6A CN104810140B (en) | 2015-05-15 | 2015-05-15 | The transformer core of packaging efficiency can be improved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247603.6A CN104810140B (en) | 2015-05-15 | 2015-05-15 | The transformer core of packaging efficiency can be improved |
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| Publication Number | Publication Date |
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| CN104810140A CN104810140A (en) | 2015-07-29 |
| CN104810140B true CN104810140B (en) | 2018-03-09 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424827B (en) * | 2017-09-04 | 2023-05-05 | 广东工业大学 | Silicon steel sheet stacking equipment and manipulator stroke calculation method thereof |
| CN108500637A (en) * | 2018-04-04 | 2018-09-07 | 盐城工学院 | A kind of silicon-steel sheet longitudinal-shearing line cutting means, its cut-to-length cutting means and its automatic laminating machine |
| EP3769324B1 (en) * | 2018-04-23 | 2023-08-30 | Siemens Energy Global GmbH & Co. KG | Transformer cores and assembly methods thereof for high efficiency and high anti-corrosion performance |
| CN108831705B (en) * | 2018-06-25 | 2020-04-07 | 无锡巨龙硅钢股份有限公司 | Lamination method of transformer core and transformer core prepared by lamination method |
| CN113130198B (en) * | 2021-03-24 | 2022-11-08 | 无锡普天铁心股份有限公司 | Fixing method of three-phase three-column non-overlapping upper yoke iron core |
| CN115763041A (en) * | 2022-11-29 | 2023-03-07 | 吴江变压器有限公司 | Iron core lamination method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409143B (en) * | 2008-08-05 | 2011-04-13 | 无锡市普天铁心有限公司 | Method for locating and overlapping center of transformer core |
| CN201449848U (en) * | 2009-07-02 | 2010-05-05 | 无锡市普天铁心有限公司 | Stepping and superposing type full tapered joint iron core |
| CN202258699U (en) * | 2011-10-24 | 2012-05-30 | 浙江凯能实业有限公司 | Iron core structure of rectifier transformer for dry-type variable-frequency speed regulation |
| CN203118732U (en) * | 2012-12-31 | 2013-08-07 | 吴江市变压器厂有限公司 | Piece spliced structure for iron cores of transformer |
| CN104575974B (en) * | 2014-12-29 | 2017-04-12 | 南京大全变压器有限公司 | Transformer core positioning structure and method |
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Address after: No.6-8, meinengda Road, Huangzhou Xincheng District, Shilong Town, Dongguan City, Guangdong Province 523000 Patentee after: DONGGUAN GUANGHUA INDUSTRIAL CO.,LTD. Country or region after: Zhong Guo Address before: Dongguan Guanghua Industrial Co., Ltd., No. 6-8 Meinengda Road, Huangzhou Xincheng District, Shilong Town, Dongguan City, Guangdong Province, 523000 Patentee before: DONGGUAN GUANGHUA INDUSTRIAL CO.,LTD. Country or region before: Zhong Guo |