CN105990006A - Plugging-type three-dimensional bending iron core of three-phase transformer - Google Patents
Plugging-type three-dimensional bending iron core of three-phase transformer Download PDFInfo
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- CN105990006A CN105990006A CN201510080712.3A CN201510080712A CN105990006A CN 105990006 A CN105990006 A CN 105990006A CN 201510080712 A CN201510080712 A CN 201510080712A CN 105990006 A CN105990006 A CN 105990006A
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Abstract
The invention discloses a plugging-type three-dimensional bending iron core of a three-phase transformer. The plugging-type three-dimensional bending iron core comprises three unit bending iron cores with the same shapes and sizes, all the unit bending iron cores are octangle frames and formed by left unit iron core columns, right unit iron core columns, upper unit iron yokes and lower unit iron yokes, wherein the left unit iron core columns and the right unit iron core columns are same in height; the left ends and the right ends of the upper unit iron yokes of all the unit bending iron cores are installed on the left unit iron core columns and the right unit iron core columns in a one-to-one corresponding mode and a pluggable mode; all the unit bending iron cores are formed in the mode that a plurality of monomer bending iron cores with left monomer iron core columns, right monomer iron core columns, upper monomer iron yokes and lower monomer iron yokes are sequentially embedded respectively, and are made from silicon steel sheets. According to the plugging-type three-dimensional bending iron core, whole device-body assembling is completed through plugging-type installing of the upper unit iron yokes, the investment cost of the device is saved, and assembling of a three-dimensional transformer coil is greatly convenient.
Description
Technical field
The present invention relates to the plug-in solid folding iron core of a kind of three-phase transformer.
Background technology
How rectangular the cross section of existing three-phase plane wound core leg is, and core construction is mostly four frames
Pentastyle or three-frame and three pole.After using for situation, this kind of core construction has many shortcomings, the most online
In the case of the circle number of turn is identical, square coil is compared the copper material of circular coil and is consumed more；Secondly because transformator
Single frame iron core is the most, and the mitre group number of iron yoke gap increases equally, and magnetic resistance increases the most therewith.Work as change
When depressor runs, under the effect of AC magnetic field, these seam crossings easily cause many places Wow, thus produce
Raw a large amount of noises.Additionally, existing three-phase silicon steel three dimensional wound core transformator is and remains silent, coil winding needs specially
Industry coil winding machine so that the equipment investment of manufacturing enterprise is bigger, manufactures efficiency low, and processing technique is complicated, and inspection
Repair difficult in maintenance.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that the plug-in of a kind of three-phase transformer stands
Body folding iron core, not only has that function admirable, noise are low, save material and the advantage of low cost, it is often more important that
Installed by the plug-in of upper unit iron yoke, complete the assembling of device body entirety, save equipment investment cost, the most just
The assembling of solid transformer coil.
The technical scheme realizing above-mentioned purpose is: the plug-in solid folding iron core of a kind of three-phase transformer, including three
The unit folding iron core that individual shape is the most identical with size, each unit folding iron core is all in octagonal frame, and each unit is rolled over
The left and right unit core post identical by height unshakable in one's determination and upper lower unit iron yoke are constituted；
The left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is arranged on left unit the most pluggablely
On core limb and right unit core post；
Each unit folding iron core is by multiple monomers being respectively provided with left and right monomer core limb and upper and lower monomer iron yoke
Folding iron core forms according to a nesting, and each described monomer iron core is made up of stalloy, the list that each monomer folding is unshakable in one's determination
The cross section of body core limb and the cross section of monomer iron yoke be trapezoidal, parallelogram, have the upper end, go to the bottom,
Any one during the abnormity of straight line waist and a camber line waist is trapezoidal, makes unit core post and unit iron yoke
The basic semicircular in shape of cross section；
The plug-in solid folding of described three-phase transformer is unshakable in one's determination unshakable in one's determination according to equilateral triangle by three unit foldings
Structure is assembled into a 3-D triangle structure, three core limbs of the plug-in solid folding iron core of this three-phase transformer
The diameter being the cross section being rolled over left unit core post unshakable in one's determination by a unit respectively is unshakable in one's determination with another unit folding
The diameter of cross section of right unit core post dock mutually and form, make the cross section of three core limbs all substantially in
Circle, and the center of circle one equilateral triangle of composition of the cross section of three core limbs.
The plug-in solid folding iron core of above-mentioned three-phase transformer, wherein, the upper unit ferrum that each unit folding is unshakable in one's determination
The left and right end of yoke is arranged on left unit core post and right unit core post the most pluggablely, and it is inserted
Pull out the arbitrary height position that the position of interface is positioned at the straightway of described left unit core post and right unit core post,
Stalloy arrangement indentation structure at described connecting-disconnecting interface.
The plug-in solid folding iron core of above-mentioned three-phase transformer, wherein, the monomer iron core that each monomer folding is unshakable in one's determination
The cross section of post and the cross section of monomer iron yoke be trapezoidal or special-shaped trapezoidal time, the horizontal stroke that each described monomer folding is unshakable in one's determination
The length at the upper end of the cross section unshakable in one's determination with adjacent monomer folding of going to the bottom in cross section is equal.
The plug-in solid folding iron core of above-mentioned three-phase transformer, wherein, multiple monomers that each unit folding is unshakable in one's determination
The cross section of monomer core limb and the cross section of monomer iron yoke that folding is unshakable in one's determination are trapezoidal, parallelogram, abnormity ladder
The combination of any two or three in shape.
The plug-in solid folding iron core of above-mentioned three-phase transformer, wherein, the plug-in of described three-phase transformer stands
The extended line of the diameter of the circular cross section of three core limbs that body folding is unshakable in one's determination is all by an equilateral triangle
Center.
The technical scheme of the plug-in solid folding iron core of the three-phase transformer of the present invention, is rolled over by the unit of three openings
Iron core is assembled into a 3-D triangle structure, the upper unit that each unit folding is unshakable in one's determination according to the structure of equilateral triangle
The left and right end of iron yoke is arranged on left unit core post and right unit core post the most pluggablely, and three
In individual unit folding iron core, each unit folding iron core is to be respectively provided with left and right monomer core limb and upper and lower monomer by multiple
The monomer folding iron core of iron yoke forms according to a nesting, the cross section of the monomer core limb that these monomers folding is unshakable in one's determination and monomer
The cross section of iron yoke is trapezoidal, parallelogram, abnormity trapezoidal in any one, make unit core post and list
The basic semicircular in shape of cross section of unit's iron yoke, and then make three core limbs of assembled good three-phase transformer core
Circular in cross-section.The cross section of three core limbs of the plug-in solid folding iron core of the three-phase transformer of the present invention
Rounded, save coil copper material, improve transformer coil anti-short circuit capability；Plug-in core construction is conducive to becoming
Transformer coil is set with, and saves existing equipment and puts into, and facilitates the maintenance of transformator later stage and safeguards；Three unit folding ferrum
The arrangement of the heart effectively reduces the seam group number of original plane wound core, improves the noise performance of transformator.Vertical
Body distribution form makes magnetic circuit distribution be more uniformly distributed, and reduces loss and the design cost of transformator, the present invention's
The plug-in solid folding iron core of three-phase transformer not only has that open circuit loss is little, noise is low, saves material and manufacture
The advantage of low cost, it is often more important that the left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is correspondingly
It is arranged on left unit core post and right unit core post pluggablely, overcomes lacking of closed core coiling difficulty
Point, transformer coil can individually coiling, greatly facilitate the assembling of solid transformer coil.
Accompanying drawing explanation
Fig. 1 is the top view of the plug-in solid folding iron core of the three-phase transformer of the present invention；
Fig. 2 is the cross-sectional view of the plug-in solid folding iron core of the three-phase transformer of the present invention；
Fig. 3 is the structure chart of the unit folding iron core of the plug-in solid folding iron core of the three-phase transformer of the present invention；
Fig. 4 is the structural representation of the connecting-disconnecting interface of part B in Fig. 3；
Fig. 5 is the unit core of the unit folding iron core of the plug-in solid folding iron core of the three-phase transformer of the present invention
The cross-sectional view (cross section of monomer core limb is that abnormity is trapezoidal) of post；
Fig. 6 is the unit core of the unit folding iron core of the plug-in solid folding iron core of the three-phase transformer of the present invention
The cross-sectional view (cross section of monomer core limb is trapezoidal) of post；
Fig. 7 is the unit core of the unit folding iron core of the plug-in solid folding iron core of the three-phase transformer of the present invention
The cross-sectional view (cross section of monomer core limb is parallelogram) of post.
Detailed description of the invention
In order to enable preferably technical scheme to be understood, below by specifically embodiment and combine
Accompanying drawing is described in detail:
Referring to Fig. 1 to Fig. 7, the plug-in solid folding iron core of the three-phase transformer of the present invention, including three shapes
The unit folding unshakable in one's determination 1 that shape is the most identical with size, each unit folding unshakable in one's determination 1 is all in octagonal frame, and each unit is rolled over
Unshakable in one's determination 1 is made up of, often left and right unit core post 11,11' and upper lower unit iron yoke 12, the 12' that height is identical
The material of individual unit folding unshakable in one's determination 1 is silicon steel.
The left and right end of the upper unit iron yoke 12 of each unit folding unshakable in one's determination 1 is arranged on the most pluggablely
On left unit core post 11 and right unit core post 11', the position of its connecting-disconnecting interface 13 is positioned at left unit core
The arbitrary height position of the straightway of post 11 and right unit core post 11', the upper unit yoke at connecting-disconnecting interface 13
12 stalloy arrangement, left unit core post 11 stalloy arrangement and right unit core post 11' silicon steel
The sheet equal indentation structure (such as Fig. 4) of arrangement.
Each unit folding unshakable in one's determination 1 is by multiple lists being respectively provided with left and right monomer core limb and upper and lower monomer iron yoke
Body folding unshakable in one's determination 10 forms according to a nesting, and each monomer iron core 10 is made up of stalloy, makes left and right unit core
Post 11,11' and upper lower unit iron yoke 12, the basic semicircular in shape of cross section of 12', each monomer folding unshakable in one's determination 10
The cross section of monomer core limb and the cross section of monomer iron yoke be trapezoidal 3 (such as Fig. 6), parallelogram 5 (as
Fig. 7), have the upper end 41, go to the bottom 42, straight line waist 43 and a camber line waist 44 abnormity trapezoidal 4 (as
Any one in Fig. 5).The monomer core limb of multiple monomers folding unshakable in one's determination 10 of each unit folding unshakable in one's determination 1
The cross section of cross section and monomer iron yoke is any two kinds in trapezoidal 3, parallelogram 5, abnormity trapezoidal 4
Or the combination of three kinds.
Refer to Fig. 6, the cross section of the monomer core limb of each monomer folding unshakable in one's determination 10 and the horizontal stroke of monomer iron yoke again
Cross section be have the upper end 31,32, two straight line waists 33 of going to the bottom trapezoidal 3 time, each monomer folding unshakable in one's determination 10
Trapezoidal cross-section go to the bottom 32 with the upper end 31 of the trapezoidal cross sections of adjacent monomer folding unshakable in one's determination 10
Length is equal；Refer to Fig. 5, the cross section of the monomer core limb of each monomer folding unshakable in one's determination 10 and monomer ferrum again
The cross section of yoke is the abnormity ladder with the upper end 41, go to the bottom 42, straight line waist 43 and a camber line waist 44
During shape 4, the cross section trapezoidal in abnormity of each monomer folding unshakable in one's determination 10 go to the bottom 42 with adjacent monomer folding ferrum
The length at the upper end 41 of the cross section trapezoidal in abnormity of the heart 10 is equal.
The plug-in solid folding of three-phase transformer is unshakable in one's determination is rolled over the iron core 1 knot according to equilateral triangle by three unit
Structure is assembled into a 3-D triangle structure, three core limbs 2 of the plug-in solid folding iron core of this three-phase transformer
It is diameter and another unit folding of the cross section of the left unit core post 11 being rolled over unshakable in one's determination 1 by a unit respectively
The diameter of the cross section of the right unit core post 11' of unshakable in one's determination 1 docks mutually and forms, and makes the horizontal stroke of three core limbs 2
Cross section is the most rounded, and the center of circle of the cross section of three core limbs 2 constitutes an equilateral triangle, should
The extended line of the diameter of the circular cross section of three core limbs 2 is all by the center of an equilateral triangle.
The plug-in solid folding iron core of the three-phase transformer of the present invention, the upper unit iron yoke of each unit folding unshakable in one's determination 1
The left and right end of 12 is arranged on left unit core post 11 and right unit core post 11' the most pluggablely
On, make transformer coil can individually coiling, greatly facilitate the suit of transformer coil.Due to the present invention's
Three core limbs 2 of plug-in solid folding iron core are that the core limb by two unit core 1 is assembled, make
The cross section of three core limbs 2 of the plug-in solid folding iron core of three-phase transformer is the most rounded, therefore has
Open circuit loss is little, noise is low, save material and the advantage of low cost of manufacture.The plug-in of this three-phase transformer stands
Body folding iron circuit is essentially equal, all symmetrical, overcomes and the most unshakable in one's determination differs the three-phase electricity caused because of magnetic circuit
Flow unbalanced shortcoming.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to this is described
Bright, and it is not used as limitation of the invention, as long as in the spirit of the present invention, to above institute
State the change of embodiment, modification all will fall in the range of claims of the present invention.
Claims (5)
1. the plug-in solid folding iron core of a three-phase transformer, including the unit that three shapes are the most identical with size
Folding iron core, it is characterised in that each unit folding iron core is all in octagonal frame, and each unit folding is unshakable in one's determination by height phase
Same left and right unit core post and upper lower unit iron yoke are constituted；
The left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is arranged on left unit the most pluggablely
On core limb and right unit core post；
Each unit folding iron core is by multiple monomers being respectively provided with left and right monomer core limb and upper and lower monomer iron yoke
Folding iron core forms according to a nesting, and each described monomer iron core is made up of stalloy, the list that each monomer folding is unshakable in one's determination
The cross section of body core limb and the cross section of monomer iron yoke be trapezoidal, parallelogram, have the upper end, go to the bottom,
Any one during the abnormity of straight line waist and a camber line waist is trapezoidal, makes unit core post and unit iron yoke
The basic semicircular in shape of cross section；
The plug-in solid folding of described three-phase transformer is unshakable in one's determination unshakable in one's determination according to equilateral triangle by three unit foldings
Structure is assembled into a 3-D triangle structure, three core limbs of the plug-in solid folding iron core of this three-phase transformer
The diameter being the cross section being rolled over left unit core post unshakable in one's determination by a unit respectively is unshakable in one's determination with another unit folding
The diameter of cross section of right unit core post dock mutually and form, make the cross section of three core limbs all substantially in
Circle, and the center of circle one equilateral triangle of composition of the cross section of three core limbs.
The plug-in solid folding iron core of three-phase transformer the most according to claim 1, it is characterised in that every
The left and right end of the upper unit iron yoke that individual unit folding is unshakable in one's determination is arranged on left unit core post the most pluggablely
With on right unit core post, the position of its connecting-disconnecting interface is positioned at described left unit core post and right unit core post
The arbitrary height position of straightway, the stalloy arrangement indentation structure at described connecting-disconnecting interface.
The plug-in solid folding iron core of three-phase transformer the most according to claim 1, it is characterised in that every
The cross section of monomer core limb that individual monomer folding is unshakable in one's determination and the cross section of monomer iron yoke be trapezoidal or special-shaped trapezoidal time,
The length at the upper end of the cross section unshakable in one's determination with adjacent monomer folding of going to the bottom of the cross section that each described monomer folding is unshakable in one's determination
Spend equal.
The plug-in solid folding iron core of three-phase transformer the most according to claim 1, it is characterised in that every
The cross section of monomer core limb and the cross section of monomer iron yoke of multiple monomers folding iron core that individual unit folding is unshakable in one's determination are
The combination of any two or three during trapezoidal, parallelogram, abnormity are trapezoidal.
The plug-in solid folding iron core of three-phase transformer the most according to claim 1, it is characterised in that institute
State the extended line of the diameter of the circular cross section of three core limbs of the plug-in solid folding iron core of three-phase transformer
All by the center of an equilateral triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080712.3A CN105990006A (en) | 2015-02-15 | 2015-02-15 | Plugging-type three-dimensional bending iron core of three-phase transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080712.3A CN105990006A (en) | 2015-02-15 | 2015-02-15 | Plugging-type three-dimensional bending iron core of three-phase transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105990006A true CN105990006A (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510080712.3A Pending CN105990006A (en) | 2015-02-15 | 2015-02-15 | Plugging-type three-dimensional bending iron core of three-phase transformer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06163281A (en) * | 1992-11-19 | 1994-06-10 | Hitachi Ltd | Transformer using amorphous wound core |
| JP2006332235A (en) * | 2005-05-25 | 2006-12-07 | Toshiba Corp | Winding iron core |
| CN2901516Y (en) * | 2006-01-05 | 2007-05-16 | 刘建南 | Structure improved coiled iron core |
| CN102314997A (en) * | 2011-05-27 | 2012-01-11 | 广东海鸿变压器有限公司 | Amorphous alloy stereo roll iron core |
| US20130328652A1 (en) * | 2012-06-06 | 2013-12-12 | Abb Technology Ag | Three-step core for a non-linear transformer |
| CN104252952A (en) * | 2014-06-25 | 2014-12-31 | 上海置信电气非晶有限公司 | Broken-yoke iron core of three-phase amorphous alloy transformer |
| CN204407144U (en) * | 2015-02-15 | 2015-06-17 | 上海置信电气非晶有限公司 | A kind of plug-in solid folding of three-phase transformer is unshakable in one's determination |
-
2015
- 2015-02-15 CN CN201510080712.3A patent/CN105990006A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06163281A (en) * | 1992-11-19 | 1994-06-10 | Hitachi Ltd | Transformer using amorphous wound core |
| JP2006332235A (en) * | 2005-05-25 | 2006-12-07 | Toshiba Corp | Winding iron core |
| CN2901516Y (en) * | 2006-01-05 | 2007-05-16 | 刘建南 | Structure improved coiled iron core |
| CN102314997A (en) * | 2011-05-27 | 2012-01-11 | 广东海鸿变压器有限公司 | Amorphous alloy stereo roll iron core |
| US20130328652A1 (en) * | 2012-06-06 | 2013-12-12 | Abb Technology Ag | Three-step core for a non-linear transformer |
| CN104252952A (en) * | 2014-06-25 | 2014-12-31 | 上海置信电气非晶有限公司 | Broken-yoke iron core of three-phase amorphous alloy transformer |
| CN204407144U (en) * | 2015-02-15 | 2015-06-17 | 上海置信电气非晶有限公司 | A kind of plug-in solid folding of three-phase transformer is unshakable in one's determination |
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