CN202145406U - Stereoscopic amorphous alloy three-phase transformer iron core - Google Patents
Stereoscopic amorphous alloy three-phase transformer iron core Download PDFInfo
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- CN202145406U CN202145406U CN201120132009U CN201120132009U CN202145406U CN 202145406 U CN202145406 U CN 202145406U CN 201120132009 U CN201120132009 U CN 201120132009U CN 201120132009 U CN201120132009 U CN 201120132009U CN 202145406 U CN202145406 U CN 202145406U
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Abstract
The utility model discloses a stereoscopic amorphous alloy three-phase transformer iron core which comprises a three-phase iron core, three single-phase iron core covers and six iron yoke inner covers. The three-phase iron core is formed by three single-phase iron cores in the shape of a closed rectangular frame and spliced according to the structure of an equilateral triangle, the three single-phase iron cores are respectively wound by amorphous alloy tapes of different widths, and the cross sections of a left iron core column and a right iron core column and an upper iron yoke and a lower iron yoke are in a shape of an isosceles trapezoid of which the upper bottom is equal to the waists and the lower bottom is equal to the two times of the upper bottom; the three iron core columns of the three-phase iron core are respectively formed in a way that the lower bottoms of the cross sections of the iron core columns of two single-phase iron cores are mutually glued, so that the cross sections of the three iron core columns of the three-phase iron core are in a shape of an equilateral hexagon; the three iron core columns are respectively covered outside the three single-phase iron cores in one-to-one correspondence, so that the three iron core columns of the three-phase iron core are all encapsulated in iron core column shells; and the six iron yoke inner covers are respectively connected with iron yoke covers in one-to-one correspondence, and the three upper yokes and the three lower yokes of the three-phase iron core are encapsulated in iron yoke shells.
Description
Technical field
The utility model relates to a kind of non-crystaline amorphous metal three phase transformer iron core.
Background technology
The material of making transformer core at present mainly contains silicon steel sheet and non-crystaline amorphous metal.Non-crystaline amorphous metal is to adopt rapid quench to solidify production technology, and its physical state shows as metallic atom and is unordered noncrystal arrangement, is more conducive to be magnetized and degaussing.This material is used to make transformer core, and the magnetization process of transformer is very easy to, and can reduce the no-load loss of transformer greatly, so non-crystaline amorphous metal is a kind of more energy-conservation material.
Yet, the present main dependence on import of amorphous alloy strips, and the width dimensions specification of band is seldom; Have only three kinds of 142cm, 170cm and 213cm, can't satisfy the requirement of different capabilities iron core, again; Non-crystaline amorphous metal is thin more a lot of than silicon steel sheet, and is crisp a lot, and hardness almost is five times of silicon strip; The existing equipment of China can't cut amorphous alloy strips at all, so the core section shape of processing can only be that rectangle is a kind of, and can not rounded or polygon.Therefore when needing different cross section for the iron core of different capabilities, the gauge of rectangular shape that often can only be through changing core section realizes that the length-width ratio of the maximum of the cross section rectangle of the iron core of present various capacity has reached 4.As everyone knows; The girth of circle is minimum in the shape of same sectional area; The girth of rectangle is bigger, and the big more girth of the length-width ratio of rectangle is just big more, and girth is got over conference the average turn length of transformer coil is widened; Not only waste valuable copper, and can increase the temperature rise of the load loss and the transformer of transformer.
Because the cross section of iron core is that rectangle can not be rounded, so coil shape also can only be rectangle and can not be circular, can't reel by ribbon core; Therefore iron core can only be made open type; And the opening material of open type iron core will be through repeatedly bending, and the bending after particularly annealed can increase the stress of material; Make the decreased performance of iron core, no-load loss rises.In addition, the joint of the opening of open type iron core is if exist space and amalgamation defective tightness, and noise is bigger than the noise with the closed type iron core of capacity.
Summary of the invention
The purpose of the utility model is in order to overcome the deficiency of prior art, a kind of non-crystaline amorphous metal three phase transformer iron core to be provided, it has, and capacity is big, volume is little, in light weight, loss is little and the characteristics of three-phase balance.
The technical scheme that realizes above-mentioned purpose is: a kind of non-crystaline amorphous metal three phase transformer iron core, comprise a tri-phase iron core, three single-phase iron core covers and six iron yoke inner caps, wherein,
Said tri-phase iron core is to be spliced by all identical single-phase iron core of three shapes and size; Each single-phase iron core is to be become with iron yoke piece up and down and be closed rectangle frame by left and right sides iron core column, and these three single-phase iron cores are assembled into a 3-D triangle structure according to the structure of equilateral triangle with tri-phase iron core;
Said three single-phase iron cores are respectively that the non-crystaline amorphous metal tape wrapping by different in width forms, and make the cross section of said left and right sides iron core column and last lower yoke be upper base to equate with waist and go to the bottom to equal the isosceles trapezoid of twice upper base;
Three iron core column of said tri-phase iron core are respectively to be gluedd joint on three angles that form and lay respectively at an equilateral triangle with the mode of fitting mutually of going to the bottom of its cross section by the iron core column of two single-phase iron cores, make the cross section of three iron core column of said tri-phase iron core be equilateral hexagon;
The shape of said three single-phase iron core covers is all identical with size; Each single-phase iron core cover is made up of left and right sides stem stem cover and last lower yoke cover; And be the rectangle frame with the adaptive closure of said single-phase iron core, the cross section of said left and right sides iron core column cover and last lower yoke cover be one with the cross section of the iron core column of said single-phase iron core the adaptive and hollow isosceles trapezoid of bottom opening down; Said three single-phase iron core covers are joined one by one and are covered on outside three single-phase iron cores; And it is the iron core column shell that the cross section of sealing is hollow equilateral hexagon that the mode that the iron core column cover of two single-phase iron core covers is fitted mutually with going to the bottom of its cross section is welded, and three iron core column of said tri-phase iron core all are encapsulated in the said iron core column shell;
The shape of said six iron yoke inner caps is all identical with size; Each iron yoke inner cap is an isosceles trapezoidal plate; The waist of this trapezoidal plate equals the going to the bottom of cross section of said iron yoke cover; The upper base of this trapezoidal plate equals the length of said iron yoke cover; The length that equals said iron yoke cover of going to the bottom of this trapezoidal plate adds going to the bottom of the above iron yoke cover cross section, and said six iron yoke inner caps are connected with said iron yoke cover one by one, and three upper yokes and three lower yokes of said tri-phase iron core are encapsulated in the iron yoke shell that is assembled into by said iron yoke inner cap and said iron yoke cover.
Above-mentioned non-crystaline amorphous metal three phase transformer iron core, wherein, the extended line of going to the bottom of the isosceles trapezoid cross section of the iron core column of said three single-phase iron cores is the center through an equilateral triangle all.
Above-mentioned non-crystaline amorphous metal three phase transformer iron core, wherein, the material of said single-phase iron core cover and said iron yoke inner cap is aluminium alloy.
The technical scheme of the non-crystaline amorphous metal three phase transformer iron core of the utility model; Be assembled into a 3-D triangle structure by three single-phase iron cores that are the rectangle frame of remaining silent according to the structure of equilateral triangle; These three single-phase iron cores are formed by the non-crystaline amorphous metal tape wrapping of different in width; Make the cross section of left and right sides iron core column and the last lower yoke of single-phase iron core be that upper base equates with waist and the rectangle frame structure of the isosceles trapezoid that equals the twice upper base of going to the bottom, the cross section of three iron core column of the three-phase transformer iron core that assembly unit is good is equilateral hexagon (external circle).This three-phase transformer iron core does not cut, and leakage field has fundamentally been eliminated in no seam and gap, has reduced magnetic resistance, has reduced iron loss and noise; The three-phase transformer iron circuit of the utility model is equal fully, and whole symmetries has overcome the shortcoming of the three-phase current unbalance that iron core in the past causes because of magnetic circuit is inequality.The three-phase transformer iron core of the utility model has also that capacity is big, volume is little, in light weight, characteristics that loss is little.
Description of drawings
Fig. 1 is the perspective view of the non-crystaline amorphous metal three phase transformer iron core of the utility model;
Fig. 2 is the perspective view of tri-phase iron core in the non-crystaline amorphous metal three phase transformer iron core of the utility model
Fig. 3 is the plane graph of the single-phase iron core of the three-phase transformer iron core of assembly unit the utility model;
Fig. 4 is the sectional drawing of three iron core column of tri-phase iron core in the non-crystaline amorphous metal three phase transformer iron core of the utility model;
Fig. 5 be the utility model the non-crystaline amorphous metal three phase transformer iron core in the perspective view of frontal of single-phase iron core cover;
Fig. 6 be the utility model the non-crystaline amorphous metal three phase transformer iron core in the perspective view of back side direction of single-phase iron core cover;
Fig. 7 is the plane graph of middle iron yoke inner cap of the non-crystaline amorphous metal three phase transformer iron core of the utility model.
Embodiment
In order to understand the technical scheme of the utility model better, below through embodiment particularly and combine accompanying drawing at length to explain:
See also Fig. 1, the non-crystaline amorphous metal three phase transformer iron core of the utility model comprises a tri-phase iron core 1, three single-phase iron core covers 2 and six iron yoke inner caps 3, wherein:
See also Fig. 2 to Fig. 4 again; Tri-phase iron core 1 is to be spliced by all identical single-phase iron core 10 of three shapes and size; Each single-phase iron core is made up of left and right sides iron core column 101 and last lower yoke 102 respectively and is closed rectangle frame, and these three single-phase iron cores 10 are assembled into a 3-D triangle structure according to the structure of equilateral triangle with tri-phase iron core 1; Three single-phase iron cores 10 are respectively that the non-crystaline amorphous metal tape wrapping by different in width forms and make the cross section of left and right sides iron core column 101 and last lower yoke 102 be the isosceles trapezoid (external semicircle) that upper base equates with waist and goes to the bottom and equal the twice upper base;
Three iron core column 11 of this tri-phase iron core 1 are respectively to be gluedd joint on three angles that form and lay respectively at an equilateral triangle with the mode of fitting mutually of going to the bottom of its cross section by the iron core column 101 of two single-phase iron cores 10; Make the cross section of three iron core column 11 of tri-phase iron core 1 be equilateral hexagon (external circle), and make all center O through an equilateral triangle of extended line that the isosceles trapezoid cross section of the iron core column 101 of three single-phase iron cores 10 goes to the bottom.
See also Fig. 5 and Fig. 6 again; The shape of three single-phase iron core covers 2 is all identical with size; Each single-phase iron core cover 2 is made up of left and right sides stem stem cover 21 and last lower yoke cover 22; And be the rectangle frame with the adaptive closure of single-phase iron core 1, the cross section of left and right sides iron core column cover 21 and last lower yoke cover 22 be one with the cross section of the iron core column 11 of single-phase iron core 1 adaptive the and hollow isosceles trapezoid of bottom opening down; Three single-phase iron core covers 2 are joined one by one and are covered on outside three single-phase iron cores 10; And it is the iron core column shell that the cross section of sealing is hollow equilateral hexagon (external circle) that the mode that the iron core column cover 21 of two single-phase iron core covers 2 is fitted mutually with going to the bottom of its cross section is welded, and three iron core column 11 of tri-phase iron core 1 all are encapsulated in the iron core column shell;
See also Fig. 7 again; The shape of six iron yoke inner caps 3 is all identical with size; Each iron yoke inner cap 3 is an isosceles trapezoidal plate; The waist of this trapezoidal plate equals the cross section of iron yoke cover 22 goes to the bottom, and the upper base of this trapezoidal plate equals the length of iron yoke cover 22, and the length that the going to the bottom of this trapezoidal plate equals iron yoke cover 22 adds upper yoke cover cross section and goes to the bottom; Six iron yoke inner caps 3 are welded to connect with iron yoke cover 22 one by one, make three upper and lower iron yokes 12 of tri-phase iron core 1 be encapsulated in the cross section that is assembled into by iron yoke inner cap 3 and iron yoke cover 22 be wait will be trapezoidal iron yoke shell in.
The material of single-phase iron core cover 2 and iron yoke inner cap 3 is aluminium alloy.
The iron core column shell can completely cut off tri-phase iron core 1 with iron yoke shell and contact with extraneous air, prevents that tri-phase iron core 1 is corroded by outside air.
The non-crystaline amorphous metal three phase transformer iron core of the utility model is the closed type iron core, does not cut, and leakage field has fundamentally been eliminated in no seam and gap, has reduced magnetic resistance, has reduced iron loss and noise; Because the iron core column 11 of the three-phase transformer iron core of the utility model is to go to the bottom assembled by the isosceles trapezoid cross section of the iron core column 101 of two single-phase iron cores 10; Make the cross section of the iron core column 11 of three-phase transformer iron core 1 be equilateral hexagon (external circle); Going to the bottom of the isosceles trapezoid cross section of the iron core column 101 of single-phase iron core 10 is equivalent to the diameter of external circle; Going to the bottom of the isosceles trapezoid cross section of the iron core column 101 of single-phase iron core 10 equals the twice upper base; Therefore be the double-width of single-phase coiling iron core strip, have that capacity is big, volume is little, in light weight, characteristics that loss is little.This three-phase transformer iron circuit is equal fully, and whole symmetries has overcome the shortcoming of the three-phase current unbalance that iron core in the past causes because of magnetic circuit is inequality.In addition because the cross section of the iron core column of the non-crystaline amorphous metal three phase transformer iron core of the utility model is equilateral hexagon, near circular, so can ribbon core coiling coil.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in claims scope of the utility model variation, the modification of the above embodiment.
Claims (3)
1. a non-crystaline amorphous metal three phase transformer iron core comprises a tri-phase iron core, three single-phase iron core covers and six iron yoke inner caps, it is characterized in that,
Said tri-phase iron core is to be spliced by all identical single-phase iron core of three shapes and size; Each single-phase iron core is to be become with iron yoke piece up and down and be closed rectangle frame by left and right sides iron core column, and these three single-phase iron cores are assembled into a 3-D triangle structure according to the structure of equilateral triangle with tri-phase iron core;
Said three single-phase iron cores are respectively that the non-crystaline amorphous metal tape wrapping by different in width forms, and make the cross section of said left and right sides iron core column and last lower yoke be upper base to equate with waist and go to the bottom to equal the isosceles trapezoid of twice upper base;
Three iron core column of said tri-phase iron core are respectively to be gluedd joint on three angles that form and lay respectively at an equilateral triangle with the mode of fitting mutually of going to the bottom of its cross section by the iron core column of two single-phase iron cores, make the cross section of three iron core column of said tri-phase iron core be equilateral hexagon;
The shape of said three single-phase iron core covers is all identical with size; Each single-phase iron core cover is made up of left and right sides stem stem cover and last lower yoke cover; And be the rectangle frame with the adaptive closure of said single-phase iron core, the cross section of said left and right sides iron core column cover and last lower yoke cover be one with the cross section of the iron core column of said single-phase iron core the adaptive and hollow isosceles trapezoid of bottom opening down; Said three single-phase iron core covers are joined one by one and are covered on outside three single-phase iron cores; And it is the iron core column shell that the cross section of sealing is hollow equilateral hexagon that the mode that the iron core column cover of two single-phase iron core covers is fitted mutually with going to the bottom of its cross section is welded, and three iron core column of said tri-phase iron core all are encapsulated in the said iron core column shell;
The shape of said six iron yoke inner caps is all identical with size; Each iron yoke inner cap is an isosceles trapezoidal plate; The waist of this trapezoidal plate equals the going to the bottom of cross section of said iron yoke cover; The upper base of this trapezoidal plate equals the length of said iron yoke cover; The length that equals said iron yoke cover of going to the bottom of this trapezoidal plate adds going to the bottom of the above iron yoke cover cross section, and said six iron yoke inner caps are connected with said iron yoke cover one by one, and three upper yokes and three lower yokes of said tri-phase iron core are encapsulated in the iron yoke shell that is assembled into by said iron yoke inner cap and said iron yoke cover.
2. non-crystaline amorphous metal three phase transformer iron core according to claim 1 is characterized in that, the extended line of going to the bottom of the isosceles trapezoid cross section of the iron core column of said three single-phase iron cores is the center through an equilateral triangle all.
3. non-crystaline amorphous metal three phase transformer iron core according to claim 1 is characterized in that, the material of said single-phase iron core cover and said iron yoke inner cap is aluminium alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201120132009U CN202145406U (en) | 2011-04-28 | 2011-04-28 | Stereoscopic amorphous alloy three-phase transformer iron core |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201120132009U CN202145406U (en) | 2011-04-28 | 2011-04-28 | Stereoscopic amorphous alloy three-phase transformer iron core |
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| CN202145406U true CN202145406U (en) | 2012-02-15 |
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| CN201120132009U Expired - Lifetime CN202145406U (en) | 2011-04-28 | 2011-04-28 | Stereoscopic amorphous alloy three-phase transformer iron core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290201A (en) * | 2011-04-28 | 2011-12-21 | 上海固缘电力科技有限公司 | Three-dimensional three-phase amorphous alloy transformer iron core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290201A (en) * | 2011-04-28 | 2011-12-21 | 上海固缘电力科技有限公司 | Three-dimensional three-phase amorphous alloy transformer iron core |
| CN102290201B (en) * | 2011-04-28 | 2012-11-21 | 上海固缘电力科技有限公司 | Three-dimensional three-phase amorphous alloy transformer iron core |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120215 Effective date of abandoning: 20130306 |
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| RGAV | Abandon patent right to avoid regrant |