CN203966774U - A kind of integrally-built three-phase three-pillar amorphous alloy transformer - Google Patents
A kind of integrally-built three-phase three-pillar amorphous alloy transformer Download PDFInfo
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- CN203966774U CN203966774U CN201420401818.XU CN201420401818U CN203966774U CN 203966774 U CN203966774 U CN 203966774U CN 201420401818 U CN201420401818 U CN 201420401818U CN 203966774 U CN203966774 U CN 203966774U
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Abstract
The utility model discloses a kind of integrally-built three-phase three-pillar amorphous alloy transformer, include wound core, described wound core includes outer iron core, described outer internal shaping unshakable in one's determination has the first cavity, two inner iron cores in described the first cavity, have been arranged side by side, on described 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.
Description
Technical field
The utility model relates to transformer technology field, particularly relates to a kind of integrally-built 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, assembling time is not easy breakage, has integrally-built three-phase three-pillar amorphous alloy transformer.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of integrally-built three-phase three-pillar amorphous alloy transformer, include wound core, described wound core includes outer iron core, described outer internal shaping unshakable in one's determination has the first cavity, two inner iron cores in described the first cavity, have been arranged side by side, on described 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;
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 said 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 of the present utility model preferred, described outer iron core includes the first suspension column, the first yoke, the second suspension column and the second yoke, one end of described the first suspension column and second suspension column one end are connected in described the first yoke, the other end of the other end of described the first suspension column and described the second suspension column is connected in described the second yoke, forms thus one with the closed frame of described the first cavity.
Adopt the three-phase three-pillar amorphous alloy transformer of this structure, outer iron core is comprised of the first suspension column, the first yoke, the second suspension column and the second yoke, wherein, the second above-mentioned yoke is connected removably and is linked together with described the first suspension column and the second suspension column by magnetic, like this, can, by the second yoke dismounting is made to an above-mentioned end opening outer unshakable in one's determination, conveniently the first suspension column and the second suspension column be inserted in the coil of transformer.
As improvement of the present utility model, described inner iron core includes the 3rd suspension column, the 3rd yoke, the 4th suspension column and the 4th yoke, one end of one end of described the 3rd suspension column and described the 4th suspension column is connected in described the 3rd yoke, the other end of the other end of described the 3rd suspension column and described the 4th suspension column is connected in described the 4th yoke, forms thus one with the closed frame of described the second cavity.
Adopt the three-phase three-pillar amorphous alloy transformer of this structure, inner iron core is comprised of the 3rd suspension column, the 3rd yoke, the 4th suspension column and the 4th yoke, wherein, the 4th above-mentioned yoke is connected removably and is linked together with described the 3rd suspension column and the 4th suspension column by magnetic, like this, can, by the 4th yoke dismounting is made to an above-mentioned end opening outer unshakable in one's determination, conveniently the 3rd suspension column and the 4th suspension column be inserted in the coil of transformer.
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, outer iron core; 2.1, the first cavity; 2.2, the first suspension column; 2.3, the first yoke; 2.4, the second suspension column; 2.5, the second yoke; 3, inner iron core; 3.1, the second cavity; 3.2, the 3rd suspension column; 3.3, the 3rd yoke; 3.4, the 4th suspension column; 3.5, the 4th yoke; 4, core iron; 4.1, the first amorphous magnetic alloy strip; 5, the first silicon strip; 6, stainless steel band; 7, the second amorphous magnetic alloy strip; 7.1, the second silicon strip; 8, fixture; 8.1, clamping plate; 8.2, screw; 9, coil; 9.1, the first coil; 9.2, the second coil; 9.3, tertiary coil.
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 integrally-built three-phase three-pillar amorphous alloy transformer, include wound core 1, described wound core includes outer unshakable in one's determination 2, described outer internal shaping unshakable in one's determination has the first cavity 2.1, two inner iron cores 3 in described the first cavity, have been arranged side by side, above-mentioned inner iron core 3 is made in advance, on this inner iron core 3, be formed with the second cavity 3.1, in described the second cavity 3.1, be provided with the core iron 4 of rectangle, on described core iron 4, edge is circumferentially enclosed with the first amorphous magnetic alloy strip 4.1, on described the second cavity inner wall, be wound with the first silicon strip 5, described the first silicon strip 5 is clamped between described the first amorphous magnetic alloy strip and described the second cavity inner wall, thereby the inwall of the first amorphous magnetic alloy strip and the second cavity is kept apart, play the effect of protection the first amorphous magnetic alloy strip.
Edge, outside at described inner iron core is circumferentially enclosed with stainless steel band 6; on described stainless steel band, be coated with the second amorphous magnetic alloy strip 7; on the inwall of described outer iron core, be also wound with the second silicon strip 7.1; described the second silicon strip is clamped on the inwall of described the second amorphous magnetic alloy strip 7 and described outer iron core; thereby the inwall of the second amorphous magnetic alloy strip 7 and the first cavity is kept apart, play the effect of protection the second amorphous magnetic alloy strip 7.
At described outer iron core, be outside equipped with fixture 8, described fixture includes some clamping plate 8.1, 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 8.2, thus described outer iron core and described inner iron core are fixed into one.
Described outer iron core includes the first suspension column 2.2, the first yoke 2.3, the second suspension column 2.4 and the second yoke 2.5, one end of described the first suspension column and second suspension column one end are connected in described the first yoke, the other end of the other end of described the first suspension column and described the second suspension column is connected in described the second yoke, forms thus one with the closed frame of described the first cavity.
Described inner iron core includes the 3rd suspension column 3.2, the 3rd yoke 3.3, the 4th suspension column 3.4 and the 4th yoke 3.5, one end of one end of described the 3rd suspension column and described the 4th suspension column is connected in described the 3rd yoke, the other end of the other end of described the 3rd suspension column and described the 4th suspension column is connected in described the 4th yoke, forms thus one with the closed frame of described the second cavity.
Concrete packaging technology is as follows: first by fixture 8 and screw 8.2, inside and outside iron core is fixed together, then carries out excitatory annealing in process.After annealing, take off fixture 8, screw and core iron 4, pull down again the second yoke 2.5 on outer unshakable in one's determination 2, and the 4th yoke 3.5. on two inner iron cores makes above-mentioned outer iron core and two inner iron core homogeneous end openings, the transformer of the present embodiment has also comprised coil 9, this coil has comprised the first coil 9.1 of three superimposed settings, the second coil 9.2 and tertiary coil 9.3, above-mentioned several coils are all hollow coils cylindraceous, and on end face, be formed with opening, the first suspension column of described outer iron core is plugged in the first coil, the second suspension column is plugged in tertiary coil, the suspension column of one of them of described two inner iron cores is plugged on respectively in the first coil and the second coil, the suspension column of described another one inner iron core is plugged on respectively in the second coil and 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. an integrally-built three-phase three-pillar amorphous alloy transformer, it is characterized in that: include wound core, described wound core includes outer iron core, described outer internal shaping unshakable in one's determination has the first cavity, two inner iron cores in described the first cavity, have been arranged side by side, on described 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;
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.
2. three-phase three-pillar amorphous alloy transformer according to claim 1, it is characterized in that: described outer iron core includes the first suspension column, the first yoke, the second suspension column and the second yoke, one end of described the first suspension column and second suspension column one end are connected in described the first yoke, the other end of the other end of described the first suspension column and described the second suspension column is connected in described the second yoke, forms thus one with the closed frame of described the first cavity.
3. three-phase three-pillar amorphous alloy transformer according to claim 1, it is characterized in that: described inner iron core includes the 3rd suspension column, the 3rd yoke, the 4th suspension column and the 4th yoke, one end of one end of described the 3rd suspension column and described the 4th suspension column is connected in described the 3rd yoke, the other end of the other end of described the 3rd suspension column and described the 4th suspension column is connected in described the 4th yoke, forms thus one with the closed frame of described the second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401818.XU CN203966774U (en) | 2014-07-21 | 2014-07-21 | A kind of integrally-built three-phase three-pillar amorphous alloy transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401818.XU CN203966774U (en) | 2014-07-21 | 2014-07-21 | A kind of integrally-built three-phase three-pillar amorphous alloy transformer |
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| Publication Number | Publication Date |
|---|---|
| CN203966774U true CN203966774U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420401818.XU Expired - Fee Related CN203966774U (en) | 2014-07-21 | 2014-07-21 | A kind of integrally-built three-phase three-pillar amorphous alloy transformer |
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| Country | Link |
|---|---|
| CN (1) | CN203966774U (en) |
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2014
- 2014-07-21 CN CN201420401818.XU patent/CN203966774U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20180721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |