CN106024371A - Three-dimensional wound core six-section seven-stage equal length cutting method - Google Patents
Three-dimensional wound core six-section seven-stage equal length cutting method Download PDFInfo
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- CN106024371A CN106024371A CN201610613404.7A CN201610613404A CN106024371A CN 106024371 A CN106024371 A CN 106024371A CN 201610613404 A CN201610613404 A CN 201610613404A CN 106024371 A CN106024371 A CN 106024371A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
Abstract
The invention discloses a three-dimensional wound core six-section seven-stage equal length cutting method. The method comprises the steps that the section of an iron core is divided into seven stages of trapezoid sections, and seven-stage inclined belts are obtained according to the size of the wound core, wherein the sum of the length of the first-stage inclined belt and the length of the sixth-stage inclined belt is equal to the length of each of the other stage inclined belts, and the sum of end-to-end width of the first-stage inclined belt is equal to the sum of the end-to-end width of the sixth-stage inclined belt. Six-section straight belts can be obtained through the size of the seven-stage inclined belts, wherein the width of the six-section straight belts is the sum of the end-to-end width of the corresponding stage inclined belt, and the length of the six-section straight belts is equal to the length of the corresponding stage inclined belt, the first-stage inclined belt and the sixth-stage inclined belt share the first-section straight belt, the length is the sum of the length of the first-stage inclined belt and the length of the six-stage inclined belt, and the width is the sum of the end-to-end width of the first-stage or sixth-stage inclined belt. The three-dimensional wound core six-section seven-stage equal length cutting method has the advantages that the six-section straight belts of the seven-stage inclined belts are equal in length, discharging calculation is easy, material belt combination is convenient, original design and technology do not need to be changed, updating is easy, excessive materials are not generated, the material utilization rate is increased, and inventories are reduced.
Description
Technical field
The present invention relates to transformator, especially relate to a kind of six sections of seven grades of isometric sawing sheet methods of three-dimensional rolled iron core.
Background technology
In recent years, along with national energy-saving reduces discharging carrying out of policy and efficiency lifting plan, three-dimensional rolled iron core becomes
Depressor is increasingly paid attention to by producer and market.
The feature of three-dimensional rolled iron core transformator maximum is to which employs three-dimensional rolled iron core structure, and 3 D stereo is rolled up
Iron core is made up of three identical single frame iron cores, the most full symmetric, is easier to ensure that every electricity than laminated core
Magnetic parameter, has energy-saving material-saving, and three-phase magnetic circuit links up symmetrical balance, and open circuit loss is low, and unloaded exciting curent is little, and harmonic wave is little and makes an uproar
The advantages such as sound is low.
At present, the core section of the three dimensional wound core of most of producers uses seven grades of cross section structures of seven sections of material strips, every grade of material
The length of band can change owing to location is different, and the longest material strip length is 4-5 times of the shortest material strip length, such as Fig. 1 institute
Show.Every straight material strip is carried out curve sawing sheet as shown in Figure 2, becomes the required band of three dimensional wound core winding.This mode is given vertical
Cut discharge and bring a lot of difficulty, actual production can produce a lot of clout and stock, add a lot of material costs and even make
Become portion of material waste.
Summary of the invention
It is an object of the invention to provide a kind of employing and be cut into seven grades of oblique material strips by six sections of isometric straight material strips, make unshakable in one's determination cutting
Face keeps six sections of seven grades of isometric sawing sheet methods of the three-dimensional rolled iron core of seven grades of trapezoid cross sections, and the technique for coiling of the method is ripe,
Have that discharge is simple, material strip is cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing conveniently, easily updated, do not produce clout, stock utilization can be improved, reduce stock, save trouble
The advantage of laborsaving material-saving.
The object of the present invention is achieved like this:
A kind of six sections of seven grades of isometric sawing sheet methods of three-dimensional rolled iron core, feature is:
A, core section is divided into seven grades of trapezoid cross sections；
B, core dimensions according to three-dimensional rolled iron core transformator, determine that the oblique material strip of the required first order, the second level are tiltedly expected
Band, the oblique material strip of the third level, the oblique material strip of the fourth stage, the oblique material strip of level V, the 6th grade of oblique material strip and the length of the 7th grade of oblique material strip, make
Obtain the oblique material strip in the second level, the oblique material strip of the third level, the oblique material strip of the fourth stage, the oblique material strip of level V and the length phase of the 7th grade of oblique material strip
With, the length sum of the oblique material strip of the first order and the 6th grade of oblique material strip is identical with the length of other oblique material strips at different levels；
C, core dimensions according to three-dimensional rolled iron core transformator, determine that the oblique material strip of the required first order, the second level are tiltedly expected
Band, the oblique material strip of the third level, the oblique material strip of the fourth stage, the oblique material strip of level V, the 6th grade of oblique material strip and the head and the tail loose of the 7th grade of oblique material strip
Degree so that the head and the tail width sum of the oblique material strip of the first order is equal with the head and the tail width sum of the 6th grade of oblique material strip；
The head and the tail width sum of the oblique material strip of D, the first order is equal, for first paragraph with the head and the tail width sum of the 6th grade of oblique material strip
The width of straight material strip, the width that head and the tail width sum is the straight material strip of second segment of the oblique material strip in the second level, the head of the oblique material strip of the third level
Tail width sum is the width of the 3rd section of straight material strip, the loose that head and the tail width sum is the 4th section of straight material strip of the oblique material strip of the fourth stage
Degree, the width that head and the tail width sum is the 5th section of straight material strip of the oblique material strip of level V, the head and the tail width sum of the 7th grade of oblique material strip
It it is the width of the 7th section of straight material strip；
The length of the oblique material strip of the first order and the length that length sum is the straight material strip of first paragraph of the 6th grade of oblique material strip, the second level
The tiltedly length of the straight material strip of a length of second segment of material strip, the length of a length of 3rd section of straight material strip of the oblique material strip of the third level, the 4th
The length of the level tiltedly a length of 4th section of straight material strip of material strip, the length of a length of 5th section of straight material strip of the oblique material strip of level V, the
The length of a length of 7th section of straight material strip of seven grades of oblique material strips；
E, according to above-mentioned size, silicon-steel sheet longitudinal-shearing line clipping obtain six sections of straight material strips that length is equal: first paragraph is directly expected
Band, the straight material strip of second segment, the 3rd section of straight material strip, the 4th section of straight material strip, the 5th section of straight material strip and the 7th section of straight material strip；
F, straight for first paragraph material strip is divided into isometric the first straight material strip of cross-talk of the oblique material strip of the same first order and with the 6th grade of oblique material
With the 6th isometric straight material strip of cross-talk；
G, according to oblique material strip head and the tail width and length dimension, be cut into according to being divided into two head and the tail exchange, from beginning to end width it
With equal to straight material strip width, the principle of a length of straight material strip length, stalloy broken line cutting machine straight material strip is carried out cutting and open
Material, the first straight material strip of cross-talk is cut to 2 oblique material strips of the first order, and the straight material strip of second segment is cut to 2 oblique material strips in the second level, and the 3rd
The straight material strip of section is cut to 2 oblique material strips of the third level, and the 4th section of straight material strip is cut to 2 articles of oblique material strips of the fourth stage, the 5th section of straight material strip
Being cut to 2 oblique material strips of level V, the 6th straight material strip of cross-talk is cut to 2 articles of the 6th grade of oblique material strips, and the 7th section of straight material strip is cut to 2
Article the 7th grade of oblique material strip；
H, select each one of seven grades of oblique material strips, the most in order and two ends are become 3 D stereo by up-coiler coiling unshakable in one's determination
One iron core frame of rewinding material, three identical iron core frames can form a three-dimensional rolled iron core.
The present invention uses isometric six sections of straight material strips to be cut into seven grades of oblique material strips, makes rewinding material cross section keep seven grades of trapezoid cross sections
Six sections of seven grades of isometric sawing sheet methods, the length with the oblique material strip of the first order is at different levels with other with the length sum of the 6th grade of oblique material strip
Tiltedly the length of material strip is equal, and the head and the tail width sum of the oblique material strip of the first order is equal with the head and the tail width sum of the 6th grade of oblique material strip,
Six sections of straight material strips needed for the oblique material strip of the first order and the 6th grade of oblique material strip share the straight material strip of first paragraph, seven grades of oblique material strips are isometric, row
Material is simple, material strip is cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing conveniently, vary without original design and technique, easily updated, do not produce clout, material use can be improved
Rate, the advantage of minimizing stock, have the highest engineering practical value in actual production.
Accompanying drawing explanation
Fig. 1 is straight material strip arrangement figure；
Fig. 2 is oblique material strip sawing sheet figure；
Fig. 3 is core section figure；
Fig. 4 is new seven grades of straight material strip arrangement figures；
Fig. 5 is block diagram unshakable in one's determination.
Detailed description of the invention
Below in conjunction with embodiment and compare accompanying drawing the present invention is described in further detail.
A kind of six sections of seven grades of isometric sawing sheet methods of three-dimensional rolled iron core, specifically comprise the following steps that
A, core section is divided into seven grades of trapezoid cross sections；
B, core dimensions according to three-dimensional rolled iron core transformator, determine that the oblique material strip of the required first order, the second level are tiltedly expected
Band, the oblique material strip of the third level, the oblique material strip of the fourth stage, the oblique material strip of level V, the 6th grade of oblique material strip and the length of the 7th grade of oblique material strip, make
Obtain the oblique material strip in the second level, the oblique material strip of the third level, the oblique material strip of the fourth stage, the oblique material strip of level V and the length phase of the 7th grade of oblique material strip
With, the length sum of the oblique material strip of the first order and the 6th grade of oblique material strip is identical with the length of other oblique material strips at different levels；
C, core dimensions according to three-dimensional rolled iron core transformator, determine that the oblique material strip of the required first order, the second level are tiltedly expected
Band, the oblique material strip of the third level, the oblique material strip of the fourth stage, the oblique material strip of level V, the 6th grade of oblique material strip and the head and the tail loose of the 7th grade of oblique material strip
Degree so that the head and the tail width sum of the oblique material strip of the first order is equal with the head and the tail width sum of the 6th grade of oblique material strip；
The head and the tail width sum of the oblique material strip of D, the first order is equal, for first paragraph with the head and the tail width sum of the 6th grade of oblique material strip
The width of straight material strip, the width that head and the tail width sum is the straight material strip of second segment of the oblique material strip in the second level, the head of the oblique material strip of the third level
Tail width sum is the width of the 3rd section of straight material strip, the loose that head and the tail width sum is the 4th section of straight material strip of the oblique material strip of the fourth stage
Degree, the width that head and the tail width sum is the 5th section of straight material strip of the oblique material strip of level V, the head and the tail width sum of the 7th grade of oblique material strip
It it is the width of the 7th section of straight material strip；
The length of the oblique material strip of the first order and the length that length sum is the straight material strip of first paragraph of the 6th grade of oblique material strip, the second level
The tiltedly length of the straight material strip of a length of second segment of material strip, the length of a length of 3rd section of straight material strip of the oblique material strip of the third level, the 4th
The length of the level tiltedly a length of 4th section of straight material strip of material strip, the length of a length of 5th section of straight material strip of the oblique material strip of level V, the
The length of a length of 7th section of straight material strip of seven grades of oblique material strips；
E, according to above-mentioned size, silicon-steel sheet longitudinal-shearing line clipping obtain six sections of straight material strips that length is equal: first paragraph is directly expected
Band, the straight material strip of second segment, the 3rd section of straight material strip, the 4th section of straight material strip, the 5th section of straight material strip and the 7th section of straight material strip；
F, straight for first paragraph material strip is divided into isometric the first straight material strip of cross-talk of the oblique material strip of the same first order and with the 6th grade of oblique material
With the 6th isometric straight material strip of cross-talk；
G, according to oblique material strip head and the tail width and length dimension, be cut into according to being divided into two head and the tail exchange, from beginning to end width it
With equal to straight material strip width, the principle of a length of straight material strip length, stalloy broken line cutting machine straight material strip is carried out cutting and open
Material, the first straight material strip of cross-talk is cut to 2 oblique material strips of the first order, and the straight material strip of second segment is cut to 2 oblique material strips in the second level, and the 3rd
The straight material strip of section is cut to 2 oblique material strips of the third level, and the 4th section of straight material strip is cut to 2 articles of oblique material strips of the fourth stage, the 5th section of straight material strip
Being cut to 2 oblique material strips of level V, the 6th straight material strip of cross-talk is cut to 2 articles of the 6th grade of oblique material strips, and the 7th section of straight material strip is cut to 2
Article the 7th grade of oblique material strip；
H, select each one of seven grades of oblique material strips, the most in order and two ends are become 3 D stereo by up-coiler coiling unshakable in one's determination
One iron core frame of rewinding material, three identical iron core frames can form a three-dimensional rolled iron core.
The iron core using the isometric sawing sheet method of the present invention that is six section seven grades to make is referred to as new seven grades of iron cores.
New seven grades of iron cores are required to calculate due to diameter, window height and the difference of centre-to-centre spacing, its window width and each section of angle.
Work out design program by VB, data fast and accurately can be realized and calculate.
Concrete calculating process is as follows: as shown in Fig. 3 in Figure of description.Only limit
α9=8 °, α1+α2=30 °,
Remaining angle is the most non-constant.For reaching to optimize purpose, following condition need to be met:
b1+b2=b6+b7Condition (1)
I.e. the head and tail width sum of the oblique material strip of the first order is equal to the head and tail width sum of the 6th grade of oblique material strip, as description is attached
In figure shown in Fig. 4.
L2=L3=L4=L5=L7=L1+L6Condition (2)
The i.e. oblique material strip of the first order and the 6th grade of oblique material strip length sum is equal, such as description with other oblique material strip length at different levels
In accompanying drawing shown in Fig. 4.
Rewinding material given data has radius R unshakable in one's determination, centre-to-centre spacing M0, window height HwAnd stalloy thickness δ, in by specification accompanying drawing
Fig. 3, Fig. 5, can carry out calculated below respectively:
1, length computation:
α1=x
Can carry out calculated below
B=M0-2Rcosα1
T=R(cos38+cos30)
t1=R(cosα1-cos30)
L0=2 (Hw+B-4r+πr)
In formula, δ stalloy thickness, mm
T 2～7 grades of thickness the most folded, mm
t11 grade of folded thickness, mm
R iron core superplastic, mm
L0Mould unshakable in one's determination is the longest, mm
L 2～7 grades of material strip total lengths
L1、L2、L3、L4、L5、L6、L71～7 grade of material strip length, mm
Now can meet condition (2)
2 THICKNESS CALCULATION
According to the length of the oblique material strip in the second level, the thickness that the second level is unshakable in one's determination can be calculated,
Obtain π t2 2+(L0+2πt1)t2-δL2=0 (3)
Second level thickness t can be tried to achieve by formula (3)2
Again
3-7 level thickness t can be tried to achieve respectively3、t4、t5、t6、t7
3 angle calculation
According to every grade of thickness unshakable in one's determination, every grade of angle unshakable in one's determination can be calculated respectively,
4 width calculation-
According to every grade of angle unshakable in one's determination, the width of every grade of material strip can be calculated respectively,
b2=R
b3=R(sin(30+α3)+tan30cos(30+α3))
b4=R(sin(30+α3+α4)+tan30cos(30+α3+α4))
b5=R(sin(38+α6+α7+α8)-tan30cos(38+α6+α7+α8))
b6=R(sin(38+α7+α8)-tan30cos(38+α7+α8))
b7=R(sin(38+α8)-tan30cos(38+α8))
b8=R(sin38-tan30cos38)
In formula: b1～b8It is respectively material strip width at different levels
Obtain according to condition (1):
b1=b6+b7-b2
According to initial material strip width b1, initial material strip angle [alpha] can be calculated1,
If x1≠ x, makes α=x1, recognize formula (1) and start to recalculate.
If x1=x, then α1=x, above-mentioned can be calculated new seven grades of whole sawing sheet data unshakable in one's determination
5 Cross section calculations
Single-stage cross section
Effective cross-section unshakable in one's determination
In formula,k y Core-lamination stack coefficient, can choose according to practical experience.
6 Cross section calculations
Single-stage weight
Gross weight unshakable in one's determination
As a example by S13-MRL-200, diameter D0=157, window height Hw=292, centre-to-centre spacing M0=293, stalloy thickness δ=
By inventive algorithm, 0.23, then R=78.5, show that data are as follows:
Table 1: new seven grades of sawing sheet data
Claims (1)
1. six sections of seven grades of isometric sawing sheet methods of a three-dimensional rolled iron core, it is characterised in that:
A, core section is divided into seven grades of trapezoid cross sections；
B, core dimensions according to three-dimensional rolled iron core transformator, determine the oblique material strip of the required first order, the oblique material strip in the second level,
Three grades of oblique material strips, the oblique material strip of the fourth stage, the oblique material strip of level V, the 6th grade of oblique material strip and the length of the 7th grade of oblique material strip so that
The length of two grades of oblique material strips, the oblique material strip of the third level, the oblique material strip of the fourth stage, the oblique material strip of level V and the 7th grade of oblique material strip is identical, and
The length sum of the oblique material strip of one-level and the 6th grade of oblique material strip is identical with the length of other oblique material strips at different levels；
C, core dimensions according to three-dimensional rolled iron core transformator, determine the oblique material strip of the required first order, the oblique material strip in the second level,
Three grades of oblique material strips, the oblique material strip of the fourth stage, the oblique material strip of level V, the 6th grade of oblique material strip and the head and the tail width of the 7th grade of oblique material strip, make
The head and the tail width sum obtaining the oblique material strip of the first order is equal with the head and the tail width sum of the 6th grade of oblique material strip；
The head and the tail width sum of the oblique material strip of D, the first order is equal with the head and the tail width sum of the 6th grade of oblique material strip, directly expects for first paragraph
The width of band, the width that head and the tail width sum is the straight material strip of second segment of the oblique material strip in the second level, the head and the tail width of the oblique material strip of the third level
Degree sum is the width of the 3rd section of straight material strip, the width that head and the tail width sum is the 4th section of straight material strip of the oblique material strip of the fourth stage, the
The width that head and the tail width sum is the 5th section of straight material strip of the oblique material strip of Pyatyi, the head and the tail width sum of the 7th grade of oblique material strip is the 7th
The width of the straight material strip of section；
The length of the oblique material strip of the first order and the length that length sum is the straight material strip of first paragraph of the 6th grade of oblique material strip, the second level is tiltedly expected
The length of the straight material strip of a length of second segment of band, the length of a length of 3rd section of straight material strip of the oblique material strip of the third level, the fourth stage is oblique
The length of a length of 4th section of straight material strip of material strip, the length of a length of 5th section of straight material strip of the oblique material strip of level V, the 7th grade
The tiltedly length of a length of 7th section of straight material strip of material strip；
E, according to above-mentioned size, silicon-steel sheet longitudinal-shearing line clipping obtain six sections of straight material strips that length is equal: the straight material strip of first paragraph,
The straight material strip of two-stage nitration, the 3rd section of straight material strip, the 4th section of straight material strip, the 5th section of straight material strip and the 7th section of straight material strip；
F, straight for first paragraph material strip is divided into isometric the first straight material strip of cross-talk of the oblique material strip of the same first order and with the 6th grade of oblique material strip etc.
The 6th long straight material strip of cross-talk；
G, according to oblique material strip head and the tail width and length dimension, be cut into according to being divided into two head and the tail exchange, width sum etc. from beginning to end
In straight material strip width, the principle of a length of straight material strip length, stalloy broken line cutting machine straight material strip is carried out cutting sawing sheet, the
The one straight material strip of cross-talk is cut to 2 oblique material strips of the first order, and the straight material strip of second segment is cut to 2 oblique material strips in the second level, and the 3rd section straight
Material strip is cut to 2 oblique material strips of the third level, and the 4th section of straight material strip is cut to 2 articles of oblique material strips of the fourth stage, the 5th section of straight material strip cutting
Being 2 oblique material strips of level V, the 6th straight material strip of cross-talk is cut to 2 articles of the 6th grade of oblique material strips, and the 7th section of straight material strip is cut to 2 article
Seven grades of oblique material strips；
H, select each one of seven grades of oblique material strips, the most in order and two ends are become 3 D stereo volume ferrum by up-coiler coiling unshakable in one's determination
One iron core frame of the heart, three identical iron core frames can form a three-dimensional rolled iron core.
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| CN201610613404.7A CN106024371B (en) | 2016-07-29 | 2016-07-29 | The isometric sawing sheet method of seven grades of three-dimensional rolled iron core six section |
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| CN106024371B CN106024371B (en) | 2017-11-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025984A (en) * | 2017-06-08 | 2017-08-08 | 吴茂安 | Unequal section three phase transformer iron core |
| CN107146709A (en) * | 2017-07-10 | 2017-09-08 | 江西大族能源科技股份有限公司 | The single-phase isometric sawing sheet method of seven grades of volume iron core four section |
| CN108847347A (en) * | 2018-08-03 | 2018-11-20 | 青岛云路先进材料技术有限公司 | A kind of method of the continuous sawing sheet of amorphous band and a kind of multistage material strip |
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| JPS59181522A (en) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | Manufacture of induction magnetic iron core |
| CN2212827Y (en) * | 1994-07-14 | 1995-11-15 | 李家保 | Winded iron core |
| CN2304176Y (en) * | 1997-09-26 | 1999-01-13 | 张长忠 | Strip-wound type iron-core of tranformer |
| CN101090030A (en) * | 2007-05-11 | 2007-12-19 | 东华大学 | Cutting design method of symmetrical triangle rolling iron core development band of transformer |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59181522A (en) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | Manufacture of induction magnetic iron core |
| CN2212827Y (en) * | 1994-07-14 | 1995-11-15 | 李家保 | Winded iron core |
| CN2304176Y (en) * | 1997-09-26 | 1999-01-13 | 张长忠 | Strip-wound type iron-core of tranformer |
| CN101090030A (en) * | 2007-05-11 | 2007-12-19 | 东华大学 | Cutting design method of symmetrical triangle rolling iron core development band of transformer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025984A (en) * | 2017-06-08 | 2017-08-08 | 吴茂安 | Unequal section three phase transformer iron core |
| CN107146709A (en) * | 2017-07-10 | 2017-09-08 | 江西大族能源科技股份有限公司 | The single-phase isometric sawing sheet method of seven grades of volume iron core four section |
| CN108847347A (en) * | 2018-08-03 | 2018-11-20 | 青岛云路先进材料技术有限公司 | A kind of method of the continuous sawing sheet of amorphous band and a kind of multistage material strip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106024371B (en) | 2017-11-07 |
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