CN203366926U - Amorphous laminated triangular iron core used for power transformer - Google Patents
Amorphous laminated triangular iron core used for power transformer Download PDFInfo
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- CN203366926U CN203366926U CN 201320399227 CN201320399227U CN203366926U CN 203366926 U CN203366926 U CN 203366926U CN 201320399227 CN201320399227 CN 201320399227 CN 201320399227 U CN201320399227 U CN 201320399227U CN 203366926 U CN203366926 U CN 203366926U
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Abstract
The utility model relates to an amorphous iron core used for a power transformer, in particular to an amorphous laminated triangular iron core used for a power transformer. The amorphous laminated triangular iron core used for the power transformer is characterized by comprising amorphous alloy strips. The amorphous alloy strips are rectangular strips and are connected end to end from inside to outside to form amorphous laminated ring pieces in a winding mode, and the amorphous laminated ring pieces are overlapped mutually to form amorphous magnetic frames; the sections of amorphous magnetic columns on two sides of the amorphous magnetic frames approximate semicircles, the amorphous magnetic frames are the same, the number of the amorphous magnetic frames is three, the amorphous magnetic columns of the three amorphous magnetic frames are mutually fixed to form the amorphous laminated triangular iron core, and the adjacent amorphous magnetic columns are mutually combined to form surrounded columns with the sections approximating semicircles. On the basis of satisfying good performance requirements, the amorphous laminated triangular iron core used for the power transformer is simpler and more reliable in manufacturing technology, and easy to implement.
Description
Technical field
The utility model relates to a kind of iron core of the amorphous ribbon for power transformer, particularly the stacked triangle iron core of a kind of amorphous ribbon for power transformer.
Background technology
Energy-conservation is the requisite state basic policy that China builds a conservation-minded society, and because amorphous alloy transformer has significant energy-conserving and environment-protective performance, progressively by users, is accepted, and becomes desirable distribution transformer of new generation.The amorphous alloy transformer iron core used occurred in the market has three-phase five-limb and three-phase three-column plane formula volume iron core, the amorphous alloy transformer core cross section of these two kinds of planar structures is rectangle, core volume is large, weight is high, long processing time, the transformer size design easily is subject to the restriction of non-crystaline amorphous metal sheet material width, manufacture and design dumbly, above two kinds of amorphous alloy iron core costs are also higher in addition.
The iron core of traditional three-phase five-limb and three-phase three-limb structure is all planar structure, the length of magnetic path that can form each stem does not wait, three phase supply can not guarantee balance, and there is seam at upper yoke or lower yoke, there will be the high energy consumption district at seam crossing, can not give full play to the high magnetic conduction characteristics of amorphous alloy strips, the air-gap that seam crossing forms also will increase corresponding loss, and it is poor that the iron core of rectangular configuration and transformer coil have also caused the anti-short circuit capability of product in addition.
Prior art discloses a kind of amorphous alloy transformer (application number: 201210167698.7) of 3-D triangle structure, the rectangle single frame amalgamation that it is approximate half-circular by three identical cross sections forms, it is characterized in that: its manufacture method comprises the following steps: (1) cut-parts are cut into trapezoidal material strip by the rectangle non-crystaline amorphous metal material strip of fixed width; (2) reel, do inner support with rectangular module, from the 1st grade of coiling of single frame, trapezoidal material strip is successively reeled by inboard laterally from starting, and trapezoidal material strip is advanced according to the direction arranged on up-coiler, be wound into the outward-dipping shape of upper/lower terminal; Reeled after the 1st grade of required thickness, then used again the thickness of the 2nd grade of the trapezoidal material strip winding of another kind of size instead at the skin of the 1st grade, what thickness of having reeled required successively according to same method; (3) assembling, a complete amorphous alloy iron core is comprised of 3 identical Fig. 3 single frames, due to two heart column section approximate half-circular of each single frame, the stem of 3 single frames is drawn close and is merged and fix, and forms the circular stem of iron core.
The complex manufacturing technology that technique scheme is listed, low precision, the cut-parts of at first trapezoidal material strip are just comparatively complicated, need to be cut into the material strip of different size, and in above-mentioned disclosed file and unexposed concrete sized data; Secondly, the single frame that also needs the material strip of different size is coiled into as requested the heart column section approximate half-circular in the process of reeling, and be wound into the outward-dipping shape of upper/lower terminal, such technological requirement is very high, need constantly to revise the track of coiling, the later stage also needs single frame is revised, very complicated in order to obtain three identical single frame techniques, required precision is difficult to assurance, and those of ordinary skill is difficult to carry out.
The utility model content
The purpose of this utility model is to overcome existing the problems referred to above in prior art, and a kind of reasonable in design is provided, and technique is simply for the stacked triangle iron core of the amorphous ribbon of power transformer.
The utility model solves the problems of the technologies described above adopted technical scheme: should be for the stacked triangle iron core of the amorphous ribbon of power transformer, it is characterized in that, include the non-crystaline amorphous metal material strip, described non-crystaline amorphous metal material strip is rectangular band, described non-crystaline amorphous metal material strip is the end to end folded ring plate of amorphous ribbon that turns to from inside to outside, amorphous ribbon is folded the overlapped fixedly composition of ring plate amorphous sheet magnet frame, the cross section of the amorphous sheet magnetic post on described amorphous sheet magnet frame both sides is approximate half-circular, described amorphous sheet magnet frame has identical three, the amorphous sheet magnetic post of three amorphous sheet magnet frames interfixes and forms the stacked triangular iron core of amorphous ribbon, two adjacent amorphous sheet magnetic posts mutually be combined into the sub-circular cross section around post.The three-phase magnetic circuit full symmetric of the iron core of this product is isometric, can guarantee the balance of three phase supply, and magnetic resistance is greatly reduced, and exciting curent significantly reduces.
As preferably, the folded ring plate of the amorphous ribbon in described amorphous sheet magnet frame from the folded ring plate of middle amorphous ribbon to both sides, draw in gradually form in angle of heel and outer angle of heel, the iron yoke weight of this kind of structure is lower, the consumption of minimizing amorphous alloy material.
As preferably, the stacked triangular iron core of described amorphous ribbon, through annealing in process, is eliminated internal stress, is recovered magnetic, further improves the performance of iron core.
As preferably, the size difference of the folded ring plate of the amorphous ribbon in each amorphous sheet magnet frame, the thickness of the folded ring plate of each amorphous ribbon is identical, the cross section of the amorphous sheet magnetic post on described amorphous sheet magnet frame both sides is approximate half-circular, the folded ring plate of amorphous ribbon is more, and the cross section of amorphous sheet magnetic post approaches semicircle, but this kind of amorphous alloy transformer core cross section sub-circular, make coil is circular configuration simultaneously, and the anti-short circuit capability of amorphous alloy transformer is improved very greatly.
As preferably, the folded ring plate of described amorphous ribbon has eight.
The beneficial effects of the utility model are: the magnetic conduction direction of this product non-crystaline amorphous metal material strip and the magnetic circuit direction of iron core are in full accord, during work, vibration is little, can greatly improve the noise problem of traditional non-crystaline amorphous metal, and the magnetic conduction direction of non-crystaline amorphous metal material strip and the magnetic circuit direction of iron core are in full accord, during work, vibration is little, can greatly improve the noise problem of traditional non-crystaline amorphous metal; The three-phase magnetic circuit full symmetric of iron core is isometric, can guarantee the balance of three phase supply, and magnetic resistance is greatly reduced, and exciting curent significantly reduces; This kind of amorphous alloy transformer core cross section approximate circle shape, coil is circular configuration simultaneously, and the anti-short circuit capability of amorphous alloy transformer is improved greatly.
On technique, compared with prior art, this product is meeting under the prerequisite of above-mentioned performance, and manufacture craft is more simple, reliable, easily implements.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment non-crystaline amorphous metal material strip.
Fig. 2 is the structural representation of the folded ring plate of the utility model embodiment non-crystaline amorphous metal material strip coiling amorphous ribbon.
Fig. 3 is the schematic diagram after the utility model embodiment installs.
Fig. 4 is the sectional view of A-A in Fig. 3.
Fig. 5 is the sectional view of B-B in Fig. 4.
Fig. 6 is the structural representation of the folded ring plate of the utility model embodiment the first amorphous ribbon.
Fig. 7 is the sectional view of C-C in Fig. 6.
Fig. 8 is the structural representation of the folded ring plate of the utility model embodiment the second amorphous ribbon.
Fig. 9 is the sectional view of D-D in Fig. 8.
Figure 10 is the structural representation of the folded ring plate of the utility model embodiment the 3rd amorphous ribbon.
Figure 11 is the structural representation of the folded ring plate of the utility model embodiment the 4th amorphous ribbon.
Figure 12 is the structural representation of the folded ring plate of the utility model embodiment the 5th amorphous ribbon.
Figure 13 is the structural representation of the folded ring plate of the utility model embodiment the 6th amorphous ribbon.
Figure 14 is the structural representation of the folded ring plate of the utility model embodiment the 7th amorphous ribbon.
Figure 15 is the structural representation of the folded ring plate of the utility model embodiment the 8th amorphous ribbon.
Label declaration: non-crystaline amorphous metal material strip 1, amorphous ribbon are folded ring plate 2, amorphous sheet magnet frame 3, the stacked triangular iron core 4 of amorphous ribbon, amorphous sheet magnetic post 5, around post 6, the folded ring plate 7 of the first amorphous ribbon, the folded ring plate 8 of the second amorphous ribbon, the folded ring plate 9 of the 3rd amorphous ribbon, the folded ring plate 10 of the 4th amorphous ribbon, the 5th amorphous ribbon, are folded ring plate 11, the folded ring plate 12 of the 6th amorphous ribbon, the folded ring plate 13 of the 7th amorphous ribbon, the folded ring plate 14 of the 8th amorphous ribbon.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment mono-: referring to Fig. 1-Fig. 5, the stacked triangular iron core 4 of this product amorphous ribbon includes non-crystaline amorphous metal material strip 1, the folded ring plate 2 of amorphous ribbon and amorphous sheet magnet frame 3, non-crystaline amorphous metal material strip 1 is the rectangular band that width is identical, non-crystaline amorphous metal material strip 1 is the end to end folded ring plate 2 of amorphous ribbon that turns to from inside to outside, amorphous ribbon is folded the overlapped fixedly composition of ring plate 2 amorphous sheet magnet frame 3, the cross section of the amorphous sheet magnetic post 5 on amorphous sheet magnet frame 3 both sides is approximate half-circular, because according to the number of turns of non-crystaline amorphous metal material strip 1 coiling and varying in size of institute's enclosure, make the size difference of the folded ring plate 2 of amorphous ribbon in each amorphous sheet magnet frame 3, the thickness of the folded ring plate 2 of each amorphous ribbon is identical, the cross section of the amorphous sheet magnetic post 5 on amorphous sheet magnet frame 3 both sides is approximate half-circular, if not can guess the folded ring plate more than 2 in crystal zone, the cross section of amorphous sheet magnetic post 5 approaches semicircle.
Amorphous sheet magnet frame 3 in the present embodiment has identical three, the amorphous sheet magnetic post 5 of three amorphous sheet magnet frames 3 interfixes and forms the stacked triangular iron core 4 of amorphous ribbon, two adjacent amorphous sheet magnetic posts 5 mutually be combined into the sub-circular cross section around post 6, the three-phase magnetic circuit full symmetric of the iron core of this product is isometric, can guarantee the balance of three phase supply, magnetic resistance is greatly reduced, exciting curent significantly reduces, but this kind of amorphous alloy transformer core is around the cross section of post 6 sub-circular, make coil is circular configuration simultaneously, the anti-short circuit capability of amorphous alloy transformer is improved very greatly.
Amorphous sheet magnet frame 3 in the present embodiment is the folded overlapped fixedly composition of ring plate 2 of amorphous ribbon, the folded ring plate 2 of the amorphous ribbon of amorphous sheet magnet frame 3 is drawn angle of heel 15 and outer angle of heel 16 in composition in gradually from the folded ring plate 2 of middle amorphous ribbon to both sides, the iron yoke weight of this kind of structure is lower, reduces the consumption of amorphous alloy material.
In addition, the stacked triangular iron core 4 of amorphous ribbon, through annealing in process, is eliminated internal stress, is recovered magnetic, further improves the performance of iron core.
Embodiment bis-: referring to Fig. 1-Figure 15, the folded ring plate 2 of amorphous ribbon in the present embodiment has eight, the folded ring plate 2 of each amorphous ribbon superpose successively and is respectively the folded ring plate 7 of the first amorphous ribbon, the folded ring plate 8 of the second amorphous ribbon, the folded ring plate 9 of the 3rd amorphous ribbon, the folded ring plate 10 of the 4th amorphous ribbon, the folded ring plate 11 of the 5th amorphous ribbon, the folded ring plate 12 of the 6th amorphous ribbon, the folded ring plate 13 of the 7th amorphous ribbon, the folded ring plate 14 of the 8th amorphous ribbon, folds the size difference of ring plate 2 according to its amorphous ribbon that varies in size of the number of turns of non-crystaline amorphous metal material strip coiling and institute's enclosure.
The wide a of sheet of the folded ring plate 7 of the first amorphous ribbon in the present embodiment is 356mm, hem width b is 42mm, height c is 362mm, and the wide a of sheet of the folded ring plate 8 of the second amorphous ribbon is 422mm, hem width b is 108mm, height c is 494mm, and the wide a of sheet of the folded ring plate 9 of the 3rd amorphous ribbon is 454mm, hem width b is 140mm, height c is 558mm, and the wide a of sheet of the folded ring plate 10 of the 4th amorphous ribbon is 417mm, hem width b is 132mm, height c is 542mm, and the wide a of sheet of the folded ring plate 11 of the 5th amorphous ribbon is 366mm, hem width b is 113mm, height c is 504mm, and the wide a of sheet of the folded ring plate 12 of the 6th amorphous ribbon is 314mm, hem width b is 91mm, height c is 460mm, and the wide a of sheet of the folded ring plate 13 of the 7th amorphous ribbon is 262mm, hem width b is 65mm, height c is 408mm, and the wide a of sheet of the folded ring plate 14 of the 8th amorphous ribbon is 210mm, hem width b is 35mm, height c is 348mm, the thickness d of the folded ring plate 2 of each amorphous ribbon is 15mm, amorphous sheet magnetic post 5 approximate half-circular of the amorphous sheet magnet frame 3 that the folded ring plate 2 of each sheet amorphous ribbon becomes due to the wide a of its sheet and hem width b various combination, two adjacent amorphous sheet magnetic posts 5 mutually be combined into the sub-circular cross section around post 6.In addition, each sheet amorphous ribbon is folded ring plate 2 because its height c is different, makes the folded ring plate 2 of amorphous ribbon of amorphous sheet magnet frame 3 draw gradually angle of heel 15 and outer angle of heel 16 in composition in to both sides from the folded ring plate 2 of middle amorphous ribbon.
Above content described in this specification is only to the explanation of the utility model structure example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection range of the present utility model.
Claims (5)
1. the stacked triangle iron core of the amorphous ribbon for power transformer, it is characterized in that: include the non-crystaline amorphous metal material strip, described non-crystaline amorphous metal material strip is rectangular band, described non-crystaline amorphous metal material strip is the end to end folded ring plate of amorphous ribbon that turns to from inside to outside, amorphous ribbon is folded the overlapped fixedly composition of ring plate amorphous sheet magnet frame, the cross section of the amorphous sheet magnetic post on described amorphous sheet magnet frame both sides is approximate half-circular, described amorphous sheet magnet frame has identical three, the amorphous sheet magnetic post of three amorphous sheet magnet frames interfixes and forms the stacked triangular iron core of amorphous ribbon, two adjacent amorphous sheet magnetic posts mutually be combined into the sub-circular cross section around post.
2. the stacked triangle iron core of the amorphous ribbon for power transformer according to claim 1 is characterized in that: the folded ring plate of the amorphous ribbon in described amorphous sheet magnet frame from the folded ring plate of middle amorphous ribbon to both sides, draw in gradually form in angle of heel and outer angle of heel.
3. the stacked triangle iron core of the amorphous ribbon for power transformer according to claim 1, it is characterized in that: the stacked triangular iron core of described amorphous ribbon is through annealing in process.
4. the stacked triangle iron core of the amorphous ribbon for power transformer according to claim 1 and 2, it is characterized in that: the size difference of the folded ring plate of the amorphous ribbon in each amorphous sheet magnet frame, the thickness of the folded ring plate of each amorphous ribbon is identical, and the cross section of the amorphous sheet magnetic post on described amorphous sheet magnet frame both sides is approximate half-circular.
5. the stacked triangle iron core of the amorphous ribbon for power transformer according to claim 1 and 2 is characterized in that: the folded ring plate of described amorphous ribbon has eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320399227 CN203366926U (en) | 2013-07-05 | 2013-07-05 | Amorphous laminated triangular iron core used for power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320399227 CN203366926U (en) | 2013-07-05 | 2013-07-05 | Amorphous laminated triangular iron core used for power transformer |
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| Publication Number | Publication Date |
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| CN203366926U true CN203366926U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320399227 Withdrawn - After Issue CN203366926U (en) | 2013-07-05 | 2013-07-05 | Amorphous laminated triangular iron core used for power transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337341A (en) * | 2013-07-05 | 2013-10-02 | 浙江正耀环保科技有限公司 | Amorphous strip lamination type triangular iron core for power transformer |
| CN106601461B (en) * | 2016-12-13 | 2018-12-11 | 上海置信电气非晶有限公司 | A kind of machining manufacture of stereo amorphous alloy wound iron core |
-
2013
- 2013-07-05 CN CN 201320399227 patent/CN203366926U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337341A (en) * | 2013-07-05 | 2013-10-02 | 浙江正耀环保科技有限公司 | Amorphous strip lamination type triangular iron core for power transformer |
| CN103337341B (en) * | 2013-07-05 | 2016-02-03 | 浙江正耀环保科技有限公司 | For the amorphous ribbon lamination type triangular iron core of power transformer |
| CN106601461B (en) * | 2016-12-13 | 2018-12-11 | 上海置信电气非晶有限公司 | A kind of machining manufacture of stereo amorphous alloy wound iron core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |