CN203799817U - Three-phase three-column amorphous alloy transformer - Google Patents
Three-phase three-column amorphous alloy transformer Download PDFInfo
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- CN203799817U CN203799817U CN201420211092.3U CN201420211092U CN203799817U CN 203799817 U CN203799817 U CN 203799817U CN 201420211092 U CN201420211092 U CN 201420211092U CN 203799817 U CN203799817 U CN 203799817U
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- iron core
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Abstract
The utility model discloses a three-phase three-column amorphous alloy transformer of an integral structure. The three-phase three-column amorphous alloy transformer comprises a wound core comprising an outer core, a first cavity is formed inside the outer core, two inner cores are juxtaposed inside the first cavity, a second cavity is formed in each inner core, rectangular core iron is arranged in each second cavity and wrapped with a first amorphous magnetic alloy thin strip circumferentially, a first silicon steel strip is wound on the inner wall of each second cavity, and each first silicon steel strip is clamped between each first amorphous magnetic alloy thin strip and the inner wall of each second cavity. The outer side of each inner core is wrapped with a stainless steel band circumferentially, the stainless steel bands are covered with a second amorphous magnetic alloy thin strip, the inner wall of the outer core is wound with a second silicon steel strip, and the second silicon steel strip is clamped between the second amorphous magnetic alloy thin strip and the inner wall of the outer core.
Description
Technical field
The utility model relates to transformer technology field, particularly relates to a kind of three-phase three-pillar amorphous alloy transformer.
Background technology
Transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and iron core (magnetic core).And Amorphous Alloy Core Transformer is a kind of by new magnetic material---non-crystaline amorphous metal is made the transformer that iron core forms, the no-load loss that it makes appendiron core transformer than silicon steel sheet is (while referring to transformer secondary output open circuit, in the elementary power loss recording) 80% left and right declines, no-load current is (during transformer secondary output open circuit, elementaryly still have certain electric current, this part electric current is called no-load current) decline approximately 85%, be the comparatively ideal distribution transformer of current energy-saving effect, be specially adapted to the lower places of distribution transforming utilance such as rural power grids and developing region.
In prior art, a kind of three-phase three-limb amorphous alloy dry-type transformer and iron core thereof are disclosed in the Chinese utility model patent prospectus that is 201320203379.7 in the patent No., three-phase three-limb amorphous alloy dry-type transformer iron core wherein, comprise housing iron core and two inside casing iron cores, described two inside casing iron cores are arranged side by side in described housing iron core, the overlap of described housing iron core and two inside casing iron cores, towards the same side, is also provided with deadening felt on the outer surface of the inner surface of described inside casing iron core and described housing iron core; Described housing iron core and described two inside casing iron cores, comprising: exterior sheathing; Inner formword; Many folded amorphous alloy films, are arranged between described inner formword and exterior sheathing, and are provided with support chip between every adjacent two cover amorphous alloy films.Reduce the operation noise of transformer, and strengthened transformer reliability of operation.
But the three-phase three-limb amorphous alloy dry-type transformer in above-mentioned patent, its inner iron core and outer iron core are to have adopted laminated construction, the connecting portion between all parts is numerous, make when work iron core because fricative loss is very large.In addition, three-phase three-limb amorphous alloy dry-type transformer in above-mentioned patent, its inside and outside iron core is all independent manufacture, independent excitatory annealing, and because the amorphous alloy material after annealing is highly brittle, inside and outside iron core is easy to breakage in the process of assembling, can produce a lot of fragments, in addition, iron core is inserted in the process of coil, in order to guarantee that zero deflection ground once inserts successfully, between each iron core, need to exist certain gap, this becomes large by the volume that makes whole iron core.Also have, three-phase carries out excitatory annealing simultaneously, and the magnetic field cancellation that the magnetic field that inside and outside central authorities unshakable in one's determination produce is produced by left and right sides electric current, is difficult to carry out excitatory annealing.
Utility model content
Technical problem to be solved in the utility model is for the above-mentioned state of the art, to provide that a kind of core volume is little, when assembling is not easy breakage and can prevent that non-crystaline amorphous metal fragment from falling into the three-phase three-pillar amorphous alloy transformer of transformer oil.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of three-phase three-pillar amorphous alloy transformer, include wound core and coil, described wound core includes outer iron core, described outer iron core includes a pair of the first suspension column longitudinally connecting successively, a pair of the first horizontal yoke, by the first described suspension column and the first yoke, surround a loop-like skeleton, described skeleton internal shaping has the first cavity, the first inner iron core and the second inner iron core in described cavity, have been arranged side by side, described the first inner iron core is to be surrounded by a pair of the second suspension column longitudinally connecting successively and a pair of the second horizontal yoke, described the second inner iron core is to be surrounded by a pair of the 3rd suspension column longitudinally connecting successively and a pair of the 3rd horizontal yoke,
In described the first inner iron core and the second inner iron core, be formed with the second cavity, in described the second cavity, be provided with the core iron of rectangle, on described core iron, edge is circumferentially enclosed with the first amorphous magnetic alloy strip, on described the second cavity inner wall, be wound with the first silicon strip, described the first silicon strip is clamped between described the first amorphous magnetic alloy strip and described the second cavity inner wall, edge, outside at described inner iron core is circumferentially enclosed with stainless steel band, on described stainless steel band, be coated with the second amorphous magnetic alloy strip, on the inwall of described outer iron core, be also wound with the second silicon strip, described the second silicon strip is clamped on the inwall of described the second amorphous magnetic alloy strip and described outer iron core,
Described coil comprises the first coil, the second coil and the tertiary coil being arranged side by side, first suspension column of described outer iron core and second suspension column of described the first inner iron core are plugged in described the first coil, the 3rd suspension column of another second suspension column of described the first inner iron core and described the second inner iron core is plugged in described the second coil, and another first suspension column of another of described the second inner iron core the 3rd suspension column and described outer iron core is plugged in described tertiary coil.
Adopt the three-phase three-pillar amorphous alloy transformer of this structure, it is, by fixture, inner iron core and outer iron core are fixed into one, then carry out together excitatory annealing in process, effectively avoided the interference between magnetic field, in addition, because be just assembles above-mentioned inner iron core and outer iron core before excitatory annealing, then with fixture, they are fixed, than amorphous alloy more crisp after excitatory annealing, assemble in the heart, greatly reduced the non-crystaline amorphous metal fragment producing in assembling process.Also have, the silicon strip of reeling on above-mentioned inner iron core inwall and outer inwall unshakable in one's determination, keeps apart the inwall of amorphous alloy ribbon and inner iron core, outer iron core, has played the effect of protecting amorphous alloy ribbon.
As above-mentioned three-phase three-pillar amorphous alloy transformer in the utility model preferably, at described outer iron core, be outside equipped with fixture, described fixture includes some clamping plate, described clamping plate laminating is arranged on the outer wall of described outer iron core, on the core iron of described inner iron core, offer screwed hole, described clamping plate are fixed by screws in described screwed hole, thus described outer iron core and described inner iron core are fixed into one.
Adopt the three-phase three-pillar amorphous alloy transformer of this structure,, by fixture, inner iron core and outer iron core are fixed into one, then carry out together excitatory annealing in process, effectively avoided the interference between magnetic field, in addition, because be just assembles above-mentioned inner iron core and outer iron core before excitatory annealing, then with fixture, they are fixed, than amorphous alloy more crisp after excitatory annealing, assemble in the heart, greatly reduced the non-crystaline amorphous metal fragment producing in assembling process.Also have, the silicon strip of reeling on above-mentioned inner iron core inwall and outer inwall unshakable in one's determination, keeps apart the inwall of amorphous alloy ribbon and inner iron core, outer iron core, has played the effect of protecting amorphous alloy ribbon.
As the improvement of above-mentioned three-phase three-pillar amorphous alloy transformer in the utility model, in described outer outer ring unshakable in one's determination, be enclosed with insulating barrier.
Adopt the three-phase three-pillar amorphous alloy transformer of this structure, because outer ring unshakable in one's determination is outside enclosed with insulating barrier, can prevent when transformer is worked, because vibration causes the non-crystaline amorphous metal fragment coming off on outer iron core, fall in transformer oil.
In sum, compared with prior art, the utility model has the advantage of: it is, by fixture, inner iron core and outer iron core are fixed into one, then carry out together excitatory annealing in process, effectively avoided the interference between magnetic field, in addition, because be has just assembled above-mentioned inner iron core and outer iron core before excitatory annealing, then with fixture, they are fixed, than amorphous alloy more crisp after excitatory annealing, assemble in the heart, greatly reduced the non-crystaline amorphous metal fragment producing in assembling process.Also have, the silicon strip of reeling on above-mentioned inner iron core inwall and outer inwall unshakable in one's determination, keeps apart the inwall of amorphous alloy ribbon and inner iron core, outer iron core, has played the effect of protecting amorphous alloy ribbon.
Accompanying drawing explanation
Fig. 1 is the contour structures schematic diagram of three-phase three-pillar amorphous alloy transformer in the utility model embodiment;
Fig. 2 is the internal structure schematic diagram of three-phase three-pillar amorphous alloy transformer in the utility model embodiment.
Reference numeral:
1, wound core; 2, coil; 2.1, the first coil; 2.2, the second coil; 2.3, tertiary coil; 3, outer iron core; 3.1, the first suspension column; 3.2, the first yoke; 3.3, skeleton; 3.4, the first cavity; 4, the first inner iron core; 4.1, the second suspension column; 4.2, the second yoke; 5, the second inner iron core; 5.1, the 3rd suspension column; 5.2, the 3rd yoke; 6, the second cavity; 6.1, core iron; 7, the first amorphous magnetic alloy strip; 8, the first silicon strip; 9, stainless steel band; 10, the second amorphous magnetic alloy strip; 11, the second silicon strip; 12, fixture; 12.1, screw; 13, insulating barrier.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As depicted in figs. 1 and 2, the present embodiment is a kind of three-phase three-pillar amorphous alloy transformer, include wound core 1 and coil 2, described wound core includes outer unshakable in one's determination 3, described outer iron core includes a pair of the first suspension column 3.1 longitudinally connecting successively, a pair of the first horizontal yoke 3.2, by the first described suspension column and the first yoke, surround a loop-like skeleton 3.3, described skeleton internal shaping has the first cavity 3.4, the first inner iron core 4 and the second inner iron core 5 in described cavity, have been arranged side by side, described the first inner iron core 4 is to be surrounded by a pair of the second suspension column 4.1 longitudinally connecting successively and a pair of the second horizontal yoke 4.2, described the second inner iron core 5 is to be surrounded by a pair of the 3rd suspension column 5.1 longitudinally connecting successively and a pair of the 3rd horizontal yoke 5.2,
In described the first inner iron core and the second inner iron core, be formed with the second cavity 6, in described the second cavity, be provided with the core iron 6.1 of rectangle, on described core iron, edge is circumferentially enclosed with the first amorphous magnetic alloy strip 7, on described the second cavity inner wall, be wound with the first silicon strip 8, described the first silicon strip is clamped between described the first amorphous magnetic alloy strip and described the second cavity inner wall
Outside at described the first inner iron core and the second inner iron core is circumferentially enclosed with stainless steel band 9 in edge respectively, on described stainless steel band, be coated with the second amorphous magnetic alloy strip 10, on the inwall of described outer iron core, be also wound with the second silicon strip 11, described the second silicon strip is clamped on the inwall of described the second amorphous magnetic alloy strip and described outer iron core;
Described coil comprises the first coil 2.1, the second coil 2.2 and the tertiary coil 2.3 being arranged side by side, first suspension column of described outer iron core and second suspension column of described the first inner iron core are plugged in described the first coil, the 3rd suspension column of another second suspension column of described the first inner iron core and described the second inner iron core is plugged in described the second coil, and another first suspension column of another of described the second inner iron core the 3rd suspension column and described outer iron core is plugged in described tertiary coil.
At described outer iron core, be outside equipped with fixture 12, described fixture includes some clamping plate, described clamping plate laminating is arranged on the outer wall of described outer iron core, on the core iron of described inner iron core, offer screwed hole, described clamping plate are fixed in described screwed hole by screw 12.1, thus described outer iron core and described inner iron core are fixed into one.In described outer outer ring unshakable in one's determination, be enclosed with insulating barrier 13.
Concrete packaging technology is as follows: first by fixture 12 and screw 12.1, inside and outside iron core is fixed together, then carries out excitatory annealing in process.After annealing, take off fixture 12, screw 12.1 and core iron 6.1, then pull down the first yoke 4.2 of the close below on outer unshakable in one's determination 3, and on two inner iron cores near second, third yoke of below.Make above-mentioned outer iron core and two inner iron core homogeneous end openings, the transformer of the present embodiment has also comprised coil 2, this coil has comprised the first coil 2.1 of three superimposed settings, the second coil 2.2 and tertiary coil 2.3, above-mentioned several coils are all hollow coils cylindraceous, and on end face, be formed with opening, first suspension column of described outer iron core and second suspension column of described the first inner iron core are plugged in described the first coil, the 3rd suspension column of another second suspension column of described the first inner iron core and described the second inner iron core is plugged in described the second coil, another first suspension column of another of described the second inner iron core the 3rd suspension column and described outer iron core is plugged in described tertiary coil.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. a three-phase three-pillar amorphous alloy transformer, include wound core and coil, it is characterized in that: described wound core includes outer iron core, described outer iron core includes a pair of the first suspension column longitudinally connecting successively, a pair of the first horizontal yoke, by the first described suspension column and the first yoke, surround a loop-like skeleton, described skeleton internal shaping has the first cavity, the first inner iron core and the second inner iron core in described cavity, have been arranged side by side, described the first inner iron core is to be surrounded by a pair of the second suspension column longitudinally connecting successively and a pair of the second horizontal yoke, described the second inner iron core is to be surrounded by a pair of the 3rd suspension column longitudinally connecting successively and a pair of the 3rd horizontal yoke,
In described the first inner iron core and the second inner iron core, be formed with the second cavity, in described the second cavity, be provided with the core iron of rectangle, on described core iron, edge is circumferentially enclosed with the first amorphous magnetic alloy strip, on described the second cavity inner wall, be wound with the first silicon strip, described the first silicon strip is clamped between described the first amorphous magnetic alloy strip and described the second cavity inner wall
Edge, outside at described inner iron core is circumferentially enclosed with stainless steel band, on described stainless steel band, be coated with the second amorphous magnetic alloy strip, on the inwall of described outer iron core, be also wound with the second silicon strip, described the second silicon strip is clamped on the inwall of described the second amorphous magnetic alloy strip and described outer iron core;
Described coil comprises the first coil, the second coil and the tertiary coil being arranged side by side, first suspension column of described outer iron core and second suspension column of described the first inner iron core are plugged in described the first coil, the 3rd suspension column of another second suspension column of described the first inner iron core and described the second inner iron core is plugged in described the second coil, and another first suspension column of another of described the second inner iron core the 3rd suspension column and described outer iron core is plugged in described tertiary coil.
2. three-phase three-pillar amorphous alloy transformer according to claim 1, it is characterized in that: at described outer iron core, be outside equipped with fixture, described fixture includes some clamping plate, described clamping plate laminating is arranged on the outer wall of described outer iron core, on the core iron of described inner iron core, offer screwed hole, described clamping plate are fixed by screws in described screwed hole, thus described outer iron core and described inner iron core are fixed into one.
3. three-phase three-pillar amorphous alloy transformer according to claim 1, is characterized in that: in described outer outer ring unshakable in one's determination, be enclosed with insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211092.3U CN203799817U (en) | 2014-04-26 | 2014-04-26 | Three-phase three-column amorphous alloy transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211092.3U CN203799817U (en) | 2014-04-26 | 2014-04-26 | Three-phase three-column amorphous alloy transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799817U true CN203799817U (en) | 2014-08-27 |
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ID=51382012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420211092.3U Expired - Fee Related CN203799817U (en) | 2014-04-26 | 2014-04-26 | Three-phase three-column amorphous alloy transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799817U (en) |
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2014
- 2014-04-26 CN CN201420211092.3U patent/CN203799817U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20210426 |