CN106653312A - Core and coil of triangular three-dimensional wound core transformer and assembly method for core and coil - Google Patents
Core and coil of triangular three-dimensional wound core transformer and assembly method for core and coil Download PDFInfo
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- CN106653312A CN106653312A CN201710095409.XA CN201710095409A CN106653312A CN 106653312 A CN106653312 A CN 106653312A CN 201710095409 A CN201710095409 A CN 201710095409A CN 106653312 A CN106653312 A CN 106653312A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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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
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- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention discloses a core and a coil of a triangular three-dimensional wound core transformer and an assembly method for the core and the coil and belongs to the technical field of transformers. The core of the triangular three-dimensional wound core transformer comprises three single frame cores which are mutually spliced at an angle of 60 degrees, wherein the single frame cores are wound or folded by core plates with joints; the core plates with the large plate widths are arranged at the inner side of a single frame core window; the core plates with the small plate widths are arranged at the outer side of the single frame core window; and the plate widths of the core plates are gradually reduced from the inner side to the outer side of the single frame core window. The coil of the triangular three-dimensional wound core transformer is wound according to the shape of a cross section of a core column. The invention also discloses an assembly method for the core and the coil of the triangular three-dimensional wound core transformer. The core of the invention has lighter weight, the core material is saved, the core structure is simplified, the production manufacturability of the core is enhanced, the structure is more compact, and the anti-short circuit capability of the transformer is improved.
Description
Technical field
The present invention relates to a kind of Triangular Three Dimensional Wound Core transformator, more particularly, it relates to a kind of Triangular Three Dimensional Wound Core
Transformer core and coil and both assembly methods.
Background technology
Triangular Three Dimensional Wound Core transformator is a kind of transformator of new construction, and it has creatively reformed traditional transformer
Laminated magnetic line structure and three-phase layout, make properties of product more optimize, and the advantage of its saving metal material and energy is increasingly everybody
Accreditation, so its shared share in bid and user market are netted by state is also increasing.
Two big core components of Triangular Three Dimensional Wound Core transformator are Triangular Three Dimensional Wound Core and high-voltage coil and low-voltage coil.
Existing Triangular Three Dimensional Wound Core technology can be divided into two kinds of versions of remaining silent and be open, and the Triangular Three Dimensional Wound Core remained silent is to adopt
With silicon strip continuous coiling into the polygonal cross-section of semicircular, then the iron core frame of three semi-circular cross-sections is combined into again and is cut
Face is circular Triangular Three Dimensional Wound Core, coil coiling on the stem stem of rewinding material of this Triangular Three Dimensional Wound Core of remaining silent, ferrum
Enough processes are required to when the heart and coil design, the filling rate of transformator is reduced, cause direct material cost to increase
Plus, due to the gap between coil and iron core it is larger, window inner side unshakable in one's determination cannot stretching, cause anti-short circuit capability poor, and around
System is cumbersome, and manufacturability is very poor so that manufacturing cost is higher, and production efficiency is very low, and Triangular Three Dimensional Wound Core is govern always
The development of transformator；The Triangular Three Dimensional Wound Core of opening belongs to removable iron core, is that monolithic is converted into into two U-shaped using tabs machine
Shape, then by inserting the single frame iron core (having seam at two in each single frame) for forming semi-circular cross-section, finally by three single frames
It is circular Triangular Three Dimensional Wound Core to be combined into section, the coil of this rewinding material in advance around making, then by the upper of rewinding material
Yoke is removed, and coil is inserted in into stem, finally again plugs upper yoke, and this open delta three dimensional wound core is relative to triangle of remaining silent
For three dimensional wound core, preferably, the gap between coil and iron core can be supported manufacturability with fagging, but inserted sheet difficulty compared with
Greatly, expose entirely at gap coil end face to reduce inserted sheet difficulty if will connect, the height for increasing window unshakable in one's determination be needed, so as to increase ferrum
Core material, and lamination to insert section difficult, insert it is not in place can cause that open circuit loss coefficient unshakable in one's determination is larger, open circuit loss can not be protected
Card.
The Triangular Three Dimensional Wound Core of opening is for the Triangular Three Dimensional Wound Core remained silent, and the setting of coil is more square
Just.But, for a long time, whether remain silent on rewinding material the coil of direct coiling or coiling in advance again with opening rewinding material
The coil of assembling, its coil is circular configuration, and in order to coordinate the shape of coil, the stem stem section of Triangular Three Dimensional Wound Core is also all
The polygonized structure of circle is provided in round or levels off to, to improve the properties of transformator.But the shortcoming of this way
It is the making trouble of rewinding material, consumptive material is more serious, causes the saving metal material and energy advantage of Triangular Three Dimensional Wound Core transformator cannot
Further expand.
Therefore, it is necessary to find a kind of new technique to make the unshakable in one's determination and coil of Triangular Three Dimensional Wound Core transformator, with
The section material and manufacturability for meeting Triangular Three Dimensional Wound Core transformator is required, and can be effectively reduced between iron core and coil
Gap, is easy to gap stretching to improve the anti-short circuit capability of transformator.
The content of the invention
1. the invention technical problem to be solved
It is an object of the invention to overcome existing Triangular Three Dimensional Wound Core transformator iron core and coil exist it is above-mentioned not
Foot, there is provided a kind of Triangular Three Dimensional Wound Core transformer core and coil and both assembly methods, using the technical side of the present invention
Case, has broken limitation of the tradition to unshakable in one's determination and loop construction, by large stretch of wide lamination located at the inner side of single frame iron core window,
The wide lamination of small pieces located at single frame iron core window outside, and the piece width of lamination by single frame iron core window inner side to outside
It is gradually reduced, under identical core section with identical window size unshakable in one's determination, weight unshakable in one's determination is lighter, significantly saves material unshakable in one's determination
Material；Coil further simplify the structure of iron core according to the cross sectional shape coiling of iron core column, enhance the processing technology of iron core
Property, and it is easy to the gap after making coil assemble with iron core to be located at the outside of window unshakable in one's determination, convenient using fagging stretching, structure is more
Plus it is compact, the anti-short circuit capability of transformator is improve, substantial amounts of material cost is also saved, and make simply square with assembly technology
Just, it is particularly suited for Transformer.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of Triangular Three Dimensional Wound Core transformer core of the present invention, including three single frames for being in 60 ° of angle splicings
Iron core, described single frame iron core is rolled or folded and formed by the jointed lamination of tool, and large stretch of wide lamination is located at single frame ferrum
The inner side of heart window, the wide lamination of small pieces is located at the outside of single frame iron core window, and the piece width of lamination is by single frame iron core window
The inner side of mouth is gradually reduced to outside.
Further, described single frame heart column section unshakable in one's determination is shaped as right-angled trapezium, and in the little of the right-angled trapezium
The wide right angle of piece is provided with a tapered plane.
Further, it is additionally provided with described single frame Mosaic face unshakable in one's determination and/or tapered plane unshakable in one's determination for fixing single frame
Bandage groove.
Further, the inside edge of described single frame iron core window is additionally provided with the shape by the piece width of reduction lamination
Into yielding structure.
Further, described single frame seam quantity unshakable in one's determination is 1 or 2.
Further, the material of described lamination is silicon steel or amorphous alloy material.
A kind of Triangular Three Dimensional Wound Core transformer coil of the present invention, the coil becomes according to above-mentioned Triangular Three Dimensional Wound Core
The cross sectional shape coiling of depressor iron core column.
Further, the coil includes low-voltage coil and high-tension coil, and described high-tension coil is located at low-voltage coil
Main empty path is provided between outside, and low-voltage coil and high-tension coil, on the inside of described low-voltage coil coaming plate is additionally provided with.
A kind of assembly method of Triangular Three Dimensional Wound Core transformer core and the coil of the present invention, including above-mentioned triangle stands
Body Wound iron-core transformer Triangular Three Dimensional Wound Core transformer coil unshakable in one's determination and above-mentioned, installation step is as follows：
A three groups of coils are in after 60 ° of angle splicings and are fixed on assembly bench by ()；
B () is by first single frame opening unshakable in one's determination and insert in two groups of coils, while first single frame seam unshakable in one's determination is whole
Lock after reason closure；
C () rotates 120 ° after first single frame iron core is relatively fixed with coil, second single frame iron core is opened and inserted
Enter in two groups of coils, while second single frame seam unshakable in one's determination is arranged lock after closure；
D () rotates again 120 ° after being relatively fixed first single frame iron core, second single frame iron core with coil, by the 3rd
Single frame is unshakable in one's determination to be opened and inserts in two groups of coils, while the 3rd single frame seam unshakable in one's determination is arranged lock after closure, completes ferrum
The assembling of the heart and coil.
Further, the gap between described unshakable in one's determination and coil is located at the outside of window unshakable in one's determination, using support in gap
Plate (4) is by coil stretching.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) a kind of Triangular Three Dimensional Wound Core transformer core of the invention and coil, have broken tradition to unshakable in one's determination and coil
The limitation of structure, by large stretch of wide lamination located at the inner side of single frame iron core window, the wide lamination of small pieces is located at single frame ferrum
The outside of heart window, and the piece width of lamination by single frame iron core window inner side be gradually reduced to outside, in identical core section
Under identical window size unshakable in one's determination, weight unshakable in one's determination is lighter, significantly saves core material；Section of the coil according to iron core column
Shape coiling, further simplify the structure of iron core, enhance the processing technology of iron core, and be easy to make coil with dress unshakable in one's determination
Gap after matching somebody with somebody is located at the outside of window unshakable in one's determination, and convenient to adopt fagging stretching, structure is compacter, improves the anti-short of transformator
Road ability, also saves substantial amounts of material cost, and makes simple and convenient with assembly technology, is particularly suited for middle-size and small-size transformation
Device；
(2) a kind of Triangular Three Dimensional Wound Core transformer core of the invention, its single frame heart column section unshakable in one's determination is shaped as directly
Angle is trapezoidal, and the wide right angle of small pieces in the right-angled trapezium is provided with a tapered plane, and the single frame using the cross sectional shape is unshakable in one's determination, not only
Make convenient, and be easy to coil winding, reduce the gap between coil and iron core；
(3) a kind of Triangular Three Dimensional Wound Core transformer core of the invention, its single frame Mosaic face unshakable in one's determination and/or tapered plane
On be additionally provided with the bandage groove unshakable in one's determination for fixing single frame that quantity do not limit as needed, be easy to the fixation of seam unshakable in one's determination, make transformation
The making of device is convenient；
(4) a kind of Triangular Three Dimensional Wound Core transformer core of the invention, the inside edge of its single frame iron core window according to
Needs are additionally provided with the yielding structure formed by reducing the piece width of lamination, can preferably meet the technique for coiling of coil,
The corner transition of coil is effectively avoided, is easy to the assembling of unshakable in one's determination and coil；
(5) a kind of Triangular Three Dimensional Wound Core transformer core of the invention, its single frame seam quantity unshakable in one's determination is 1 or 2,
The requirement of various transformators is disclosure satisfy that, for miniature transformer preferably adopts the single frame of 1 seam unshakable in one's determination, for medium-sized transformator
Preferably adopt the opening folding of 2 seams unshakable in one's determination, for dry-type transformer can also adopt the opening folding of 2 seams unshakable in one's determination；
(6) assembly method of a kind of Triangular Three Dimensional Wound Core transformer core of the invention and coil, its coil is pressed in advance
According to the winding of iron core column section, and three groups of coils are in after the splicing of 60 ° of angles it are fixed on assembly bench, then respectively with three
Individual single frame iron core is assembled, and assembles simple and convenient, and compact conformation after assembling, and coil is respectively positioned on iron core with the gap of iron core
Window outside, is easy to, using fagging stretching, effectively increase the filling rate of transformator, improves the anti-short circuit capability of transformator；
(7) a kind of Triangular Three Dimensional Wound Core transformer core of the invention and coil and both assembly methods, solve
All drawbacks in existing Triangular Three Dimensional Wound Core transformator manufacturing process, make Triangular Three Dimensional Wound Core transformator relative to other
The advantage of the transformator of structure is more displayed, and is that tremendous contribution is made in the marketing of Triangular Three Dimensional Wound Core transformator.
Description of the drawings
Fig. 1 is the main structure diagram of the single frame iron core in the present invention；
Fig. 2 is the side structure schematic view of the single frame iron core in the present invention；
Fig. 3 is the overlooking the structure diagram of the single frame iron core in the present invention；
Fig. 4 is A-A directions cross section structure diagram in Fig. 1；
Fig. 5 is the cross section structure schematic diagram of the single frame iron core column with bandage groove in the present invention；
Fig. 6 (a) and Fig. 6 (b) are two kinds of yielding structural representations in the present invention at single frame iron core window inner side edge；
Fig. 7 (a), Fig. 7 (b), Fig. 7 (c) and Fig. 7 (d) are that other four kinds of single frames cross section structure unshakable in one's determination is illustrated in the present invention
Figure；
Fig. 8 is a kind of dimensional structure diagram of Triangular Three Dimensional Wound Core transformer core of the present invention；
Fig. 9 is a kind of main structure diagram of Triangular Three Dimensional Wound Core transformer core of the present invention；
Figure 10 is a kind of overlooking the structure diagram of Triangular Three Dimensional Wound Core transformer core of the present invention；
Figure 11 is B-B directions cross section structure diagram in Fig. 9；
Figure 12 is that a kind of Triangular Three Dimensional Wound Core transformer core of the present invention is illustrated with the principle of the assembly method of coil
Figure；Wherein, Figure 12 (a) is the splicing fixation schematic diagram of three groups of coils, and Figure 12 (b) is first single frame iron core and three groups of coils
Assembling schematic diagram；Figure 12 (c) is second single frame assembling schematic diagram with three groups of coils unshakable in one's determination；Figure 12 (d) is the 3rd single frame
Assembling schematic diagram with three groups of coils unshakable in one's determination；
Figure 13 is a kind of assembling structure schematic diagram of Triangular Three Dimensional Wound Core transformer core with coil of the present invention；
Figure 14 is the structural representation of the single frame iron core with two seams in the present invention；Wherein, Figure 14 (a) is single frame
Fractionation structural representation unshakable in one's determination；Figure 14 (b) is single frame assembling structure schematic diagram unshakable in one's determination；
Figure 15 is the assembling dimensional structure diagram of the iron core in the present invention and coil.
Label declaration in schematic diagram：
1st, unshakable in one's determination one；2nd, unshakable in one's determination two, 3, unshakable in one's determination three；4th, fagging；5th, coaming plate；6th, low-voltage coil；7th, main empty path；8th, high-voltage line
Circle；10th, lamination；20th, seam；30th, Mosaic face；40th, tapered plane；50th, bandage groove.
Specific embodiment
To further appreciate that present disclosure, in conjunction with the accompanying drawings and embodiments the present invention is described in detail.
Embodiment
With reference to shown in Fig. 8, Fig. 9 and Figure 10, a kind of Triangular Three Dimensional Wound Core transformer core of the present embodiment, including three
The single frame for being in 60 ° of angle splicings is unshakable in one's determination, three single frames unshakable in one's determination respectively unshakable in one's determination one 1, unshakable in one's determination 22 and unshakable in one's determination 33, three lists
Frame core construction is identical, is respectively provided with two Mosaic faces 30 in 120 ° of angles, and successively splicing can formation figure for three single frame iron cores
Triangular Three Dimensional Wound Core shown in 10.In the present embodiment, as shown in Figures 1 to 4, above-mentioned single frame iron core is by with seam 20
Lamination 10 roll or fold and form, it is open type coiled iron core that the single frame is unshakable in one's determination, and iron core can be opened, and is easy to assemble coil,
And when the single frame in making the present embodiment is unshakable in one's determination, its principle is：Large stretch of wide lamination 10 is located at single frame iron core window
Inner side, the wide lamination 10 of small pieces is located at the outside of single frame iron core window, and the piece width of lamination 10 is by single frame iron core window
Inner side is gradually reduced to outside.So, under identical core section with identical window size unshakable in one's determination, weight unshakable in one's determination is lighter, greatly
Width saves core material.It should be appreciated that when single frame iron core is rolled or folded, should ensure that single frame Mosaic face 30 unshakable in one's determination and list
The angle of frame iron core window center line is 60 ° (as shown in Figure 4), can so ensure that three single frame iron cores are spliced such as Figure 10
Shown triangle stereochemical structure.It is same as the prior art that lamination 10 rolls or fold technique, will not be described here.
Various single frame core constructions can be obtained according to mentioned above principle, in the present embodiment, single frame heart column section unshakable in one's determination
Right-angled trapezium is preferably shaped to, and the wide right angle of small pieces in the right-angled trapezium is provided with a tapered plane 40 (as shown in Figure 4), it is tiltedly flat
Face 40 is perpendicular with Mosaic face 30 optimal, it turns out that, the single frame iron core of the cross sectional shape is also optimal scheme, is not only made
It is convenient, and it is easy to coil winding, and the gap between coil and iron core can be effectively reduced；Also, with prior art
Compare, the Triangular Three Dimensional Wound Core technology of existing two semicircles composition, either opening or closed type structure, in order to improve material
Utilization rate, each single frame iron core is made up of 8 sections of materials, and material needs ceaselessly to adjust in sawing sheet, and adopts
Single frame core section shape is stated, at most only needing to 3 sections of material just can complete, shown in Fig. 6 (a), single frame iron core window most inner side
Material piece shape is rectangle, it is not necessary to which sawing sheet is machined, and pars intermedia burst shape is right-angled trapezium, it is only necessary to carry out sawing sheet to Mosaic face 30
Processing, outermost sub-fraction material piece shape is referred to prior art and is processed, and simplifies the manufacture difficulty of iron core, significantly
Improve the make efficiency of iron core.It should be noted that " large stretch of wide lamination 10 is interior located at single frame iron core window above-mentioned
Side, the wide lamination 10 of small pieces is located at the outside of single frame iron core window, and the piece width of lamination 10 is by single frame iron core window
Side to outside is gradually reduced " principle in, the piece width of lamination 10 is gradually reduced by the inner side of single frame iron core window to outside, should
It is, in the state being gradually reduced, to be required according to concrete technology when approximate trend is interpreted as, in some corner structures that single frame is unshakable in one's determination
In can also carry out cutting-pattern design, core construction is more optimized.For example, in the present embodiment, as needed, it is unshakable in one's determination in single frame
The inside edge of window is additionally provided with the yielding structure (as shown in Figure 6) formed by reducing the piece width of lamination 10, using upper
The yielding structure stated, can preferably meet the technique for coiling of coil, effectively avoid the corner transition of coil, be easy to iron core and line
The assembling of circle.In Fig. 6 (a), flat chamfering and notch features are formed by reducing the piece width of lamination 10, in Fig. 6 (b), led to
Cross the piece width formation circular arc chamfering structure for reducing lamination 10.In addition, as shown in figure 5, unshakable in one's determination in order to preferably fix single frame,
The bandage groove 50 unshakable in one's determination for fixing single frame is additionally provided with single frame Mosaic face 30 unshakable in one's determination and/or tapered plane 40, according to single frame ferrum
The concrete shape of the heart, bandage groove 50 may be provided on Mosaic face 30 and/or tapered plane 40, be preferably provided at width size compared with
On big face, bandage groove 50 can pass through the 10 wide formation of lamination for reducing correspondence position, arrange convenient, using the energy of bandage groove 50
Enough it is easy to the fixation of seam unshakable in one's determination, makes the making of transformator convenient；The quantity of bandage groove 50 is not limited, according to specific needs,
One or more bandage grooves 50 can be set.As can be seen that realizing that optimization unshakable in one's determination sets above by the piece width for reducing lamination 10
The structure of meter, makes in the case where above-mentioned design principle is met.Tapered plane 40 with make a concession structure setting in order to
Meet the technique for coiling of coil.
Additionally, in the present embodiment, the material of its lamination 10 can be silicon steel or amorphous alloy material.Also, single frame ferrum
The quantity of seam 20 of the heart can be 1 or 2, disclosure satisfy that the requirement of various transformators, when the quantity of seam 20 is 1, seam 20
Between the stem of two iron cores optimal (as shown in Figure 1), the single frame iron core of this 1 seam 20 is more suitable for small-sized transformation
Device and amorphous transformer；When the quantity of seam 20 is 2, seam 20 is respectively arranged on the stem of two iron cores optimal (such as Figure 14
It is shown), core construction is rolled over using opening, the single frame iron core of this 2 seams 20 is more suitable for medium-sized transformator and dry type transformation
Shown in device, such as Figure 14 (a) and (b), seam 20 adopts zigzag, is easy to single frame iron core to carry out inserting assembling.
A kind of Triangular Three Dimensional Wound Core transformer core of the present embodiment, using said structure design, increased lamination
10 individual piece width, under same active iron core heart column section product, the piece number needed for iron core greatly reduces, and reduces system unshakable in one's determination
The time of work, the slitting of lamination 10, sawing sheet and shaping etc. are in hgher efficiency.
With reference to shown in Figure 13, a kind of Triangular Three Dimensional Wound Core transformer coil of the present embodiment, the coil is according to above-mentioned
The cross sectional shape coiling of Triangular Three Dimensional Wound Core transformer iron core column, has broken the line of existing Triangular Three Dimensional Wound Core transformator
Circle has been used up the prejudice of circular configuration, so that traditional iron core rod section is designed with regard to loop construction and is changed into coil just
Iron core rod further simplify the structure of iron core designing, and enhance the processing technology of iron core, reduce the making of iron core
Difficulty.Using the design principle of above-mentioned unshakable in one's determination and coil, little is limited to the cross sectional shape of iron core column, not only can be using such as Fig. 4
Shown single frame iron core column cross sectional shape, can also adopt 4 kinds of lists shown in Fig. 7 (a), Fig. 7 (b), Fig. 7 (c) and Fig. 7 (d)
Frame iron core column cross sectional shape, the wherein cross sectional shape of Fig. 7 (a) are for the cross sectional shape of right-angled trapezium, Fig. 7 (b) and Fig. 7 (c)
By the shape of the radiused formation in high and short base of right-angled trapezium on the basis of right-angled trapezium, the cross sectional shape of Fig. 7 (d) be
Tapered plane 40 is designed as into cascaded surface on the basis of Fig. 4 cross sectional shapes, saving core material can be reached and be improved work unshakable in one's determination
The effect of skill.Using the cross sectional shape in Fig. 7 (d), sawing sheet technique is simplified, iron core makes convenient.Two neighboring list
Frame stem unshakable in one's determination is spliced into heart column section as shown in figure 11.
Continue shown in Figure 13, a kind of Triangular Three Dimensional Wound Core transformer coil of the present embodiment, the coil includes low-voltage line
Circle 6 and high-tension coil 8, low-voltage coil 6 and high-tension coil 8 all in accordance with above-mentioned iron core column cross sectional shape coiling, and high pressure
Coil 8 and is provided with main empty path 7 located at the outside of low-voltage coil 6 between low-voltage coil 6 and high-tension coil 8, low-voltage coil 6 it is interior
Side is additionally provided with coaming plate 5.
As shown in figure 12, a kind of Triangular Three Dimensional Wound Core transformer core of the present embodiment and the assembly method of coil, wrap
Above-mentioned Triangular Three Dimensional Wound Core transformer core and above-mentioned Triangular Three Dimensional Wound Core transformer coil is included, assembly method is such as
Under：
A three groups of coils are in after 60 ° of angle splicings and are fixed on assembly bench (as shown in Figure 12 (a)) by ()；
B first single frame iron core (unshakable in one's determination one 1) is opened and inserted in two groups of coils by (), while by first single frame iron core
Seam 20 arrange closure after locking (as shown in Figure 12 (b))；
C () rotates 120 ° after first single frame iron core is relatively fixed with coil, by second single frame iron core (unshakable in one's determination 2 2)
Open and insert in two groups of coils, while second single frame seam 20 unshakable in one's determination is arranged lock (such as Figure 12 (c) institutes after closure
Show)；
D () rotates again 120 ° after being relatively fixed first single frame iron core, second single frame iron core with coil, by the 3rd
Single frame (unshakable in one's determination 3 3) unshakable in one's determination is opened and inserted in two groups of coils, while the 3rd single frame seam 20 unshakable in one's determination is arranged after closure
Locking, completes the assembling (as shown in Figure 12 (d)) with coil unshakable in one's determination, and the structure after the assembling of unshakable in one's determination and coil is as shown in figure 15.
In above-mentioned assembly method, for the iron core of silicon steel material, outside steel band and steel padlock are tight；For amorphous material
The iron core of matter, outside is relatively fixed with stalloy.In addition, for the assembling of dry-type transformer, it would however also be possible to employ prior art is come
Implement, i.e., first three single frames, one Triangular Three Dimensional Wound Core of composition unshakable in one's determination is removed upper yoke, coil is inserted on stem, then insert
Enter upper yoke, complete the assembling of coil and iron core.
A kind of Triangular Three Dimensional Wound Core transformer core of the present embodiment and the assembly method of coil, assemble simple and convenient,
And compact conformation after assembling.As shown in figure 12, rewinding material window inner side and the inner side of low-voltage coil 6 can fit completely, own
Coil is respectively positioned on window outside unshakable in one's determination with the gap of iron core, and the gap between unshakable in one's determination and coil adopts the stretching of fagging 4, in technique
On be fully able to, by the stretching of fagging 4, improve the anti-short circuit capability of transformator.
A kind of Triangular Three Dimensional Wound Core and coil and both assembly methods of the present invention, has broken tradition to unshakable in one's determination and line
The limitation of coil structures, by large stretch of wide lamination located at the inner side of single frame iron core window, the wide lamination of small pieces is located at single frame
The outside of window unshakable in one's determination, and the piece width of lamination is gradually reduced by the inner side of single frame iron core window to outside, unshakable in one's determination cuts identical
With under identical window size unshakable in one's determination, weight unshakable in one's determination is lighter, significantly saves core material in face；Coil cutting according to iron core column
Face shape coiling, further simplify the structure of iron core, enhance the processing technology of iron core, and be easy to make coil with iron core
Gap after assembling is located at the outside of window unshakable in one's determination, and convenient to adopt fagging stretching, structure is compacter, improves the anti-of transformator
Short-circuit capacity, also saves substantial amounts of material cost, and makes simple and convenient with assembly technology；Solve existing triangle three-dimensional winding
All drawbacks in iron-core transformer manufacturing process, make Triangular Three Dimensional Wound Core transformator relative to the transformator of other structures
Advantage is more displayed, and is that tremendous contribution is made in the marketing of Triangular Three Dimensional Wound Core transformator.
Below schematically to the present invention and embodiments thereof be described, the description does not have restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case of without departing from the invention objective, without creatively designing and the technical scheme
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of Triangular Three Dimensional Wound Core transformer core, including three single frames for being in 60 ° of angle splicings is unshakable in one's determination, described
Single frame iron core is rolled or folded and formed by the lamination (10) with seam (20), it is characterised in that：Large stretch of wide lamination
(10) located at the inner side of single frame iron core window, the wide lamination of small pieces (10) are located at the outside of single frame iron core window, and lamination
(10) piece width is gradually reduced by the inner side of single frame iron core window to outside.
2. a kind of Triangular Three Dimensional Wound Core transformer core according to claim 1, it is characterised in that：Described single frame ferrum
The heart column section of the heart is shaped as right-angled trapezium, and the wide right angle of small pieces in the right-angled trapezium is provided with a tapered plane (40).
3. a kind of Triangular Three Dimensional Wound Core transformer core according to claim 2, it is characterised in that：Described single frame ferrum
The bandage groove (50) unshakable in one's determination for fixing single frame is additionally provided with the Mosaic face (30) and/or tapered plane (40) of the heart.
4. a kind of Triangular Three Dimensional Wound Core transformer core according to claim 1 or 2 or 3, it is characterised in that：Described
The inside edge of single frame iron core window is additionally provided with the yielding structure formed by reducing the piece width of lamination (10).
5. a kind of Triangular Three Dimensional Wound Core transformer core according to claim 4, it is characterised in that：Described single frame ferrum
Seam (20) quantity of the heart is 1 or 2.
6. a kind of Triangular Three Dimensional Wound Core transformer core according to claim 5, it is characterised in that：Described lamination
(10) material is silicon steel or amorphous alloy material.
7. a kind of Triangular Three Dimensional Wound Core transformer coil, it is characterised in that：The coil is according to claim 1 to 6 any one
The cross sectional shape coiling of described Triangular Three Dimensional Wound Core transformer iron core column.
8. a kind of Triangular Three Dimensional Wound Core transformer coil according to claim 7, it is characterised in that：The coil includes low
Line ball circle (6) and high-tension coil (8), described high-tension coil (8) located at the outside of low-voltage coil (6), and low-voltage coil (6) and
Main empty path (7) is provided between high-tension coil (8), on the inside of described low-voltage coil (6) coaming plate (5) is additionally provided with.
9. the assembly method of a kind of Triangular Three Dimensional Wound Core transformer core and coil, it is characterised in that including claim 1 to
The Triangular Three Dimensional Wound Core transformation described in Triangular Three Dimensional Wound Core transformer core and claim 7 or 8 described in 6 any one
Device coil, installation step is as follows：
A three groups of coils are in after 60 ° of angle splicings and are fixed on assembly bench by ()；
B () is by first single frame opening unshakable in one's determination and insert in two groups of coils, while first single frame seam (20) unshakable in one's determination is whole
Lock after reason closure；
(c) by first single frame is unshakable in one's determination be relatively fixed with coil after rotate 120 °, open second single frame is unshakable in one's determination and inserts two
In group coil, while second single frame seam (20) unshakable in one's determination is arranged lock after closure；
D () rotates again 120 ° after being relatively fixed first single frame iron core, second single frame iron core with coil, by the 3rd single frame
Iron core is opened and inserted in two groups of coils, while the 3rd single frame seam (20) unshakable in one's determination is arranged lock after closure, completes ferrum
The assembling of the heart and coil.
10. the assembly method of a kind of Triangular Three Dimensional Wound Core transformer core according to claim 9 and coil, its feature
It is：Gap between described unshakable in one's determination and coil is located at the outside of window unshakable in one's determination, is supportted coil using fagging (4) in gap
Tightly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095409.XA CN106653312A (en) | 2017-02-22 | 2017-02-22 | Core and coil of triangular three-dimensional wound core transformer and assembly method for core and coil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095409.XA CN106653312A (en) | 2017-02-22 | 2017-02-22 | Core and coil of triangular three-dimensional wound core transformer and assembly method for core and coil |
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| CN106653312A true CN106653312A (en) | 2017-05-10 |
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| CN201710095409.XA Pending CN106653312A (en) | 2017-02-22 | 2017-02-22 | Core and coil of triangular three-dimensional wound core transformer and assembly method for core and coil |
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| CN110136934A (en) * | 2019-06-24 | 2019-08-16 | 江苏五洲电力科技有限公司 | A kind of non-circular structure of transformer body of three-phase stereo |
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| CN111292948A (en) * | 2018-12-06 | 2020-06-16 | 特变电工超高压电气有限公司 | Open wound iron core transformer core and manufacturing method, and open wound iron core transformer |
| CN112802667A (en) * | 2021-01-28 | 2021-05-14 | 王永法 | Three-dimensional wound core, transformer thereof and assembling method of transformer |
| CN112820512A (en) * | 2021-02-08 | 2021-05-18 | 王永法 | Opening three-dimensional wound core and transformer coil and assembling method thereof |
| CN113436873A (en) * | 2021-05-21 | 2021-09-24 | 深圳大学 | Manufacturing process of three-dimensional wound transformer iron core |
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