CN207800330U - Amorphous alloy transformer bilayer insulating structure of iron core and amorphous alloy transformer - Google Patents
Amorphous alloy transformer bilayer insulating structure of iron core and amorphous alloy transformer Download PDFInfo
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- CN207800330U CN207800330U CN201820331998.7U CN201820331998U CN207800330U CN 207800330 U CN207800330 U CN 207800330U CN 201820331998 U CN201820331998 U CN 201820331998U CN 207800330 U CN207800330 U CN 207800330U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 279
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 44
- 238000009413 insulation Methods 0.000 claims abstract description 55
- 239000012634 fragment Substances 0.000 claims abstract description 26
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 13
- 229910003460 diamond Inorganic materials 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
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Abstract
The utility model provides a kind of amorphous alloy transformer bilayer insulating structure of iron core and amorphous alloy transformer, is related to transformer technology field.Wherein, amorphous alloy transformer bilayer insulating structure of iron core, including first layer iron core and second layer iron core, first layer iron core and second layer iron core include multiple iron cores, insulation board is equipped between first layer iron core and second layer iron core, for insulation board for completely cutting off first layer iron core and second layer iron core, the medial surface of each iron core of second layer iron core is fitted with insulating paper.The fragment that the utility model can solve amorphous alloy transformer existing in the prior art upper layer iron core in order to prevent falls and causes the technical problem of manufacturing process complexity.
Description
Technical field
The utility model is related to transformer technology field more particularly to a kind of amorphous alloy transformer bilayer core insulation knots
Structure and amorphous alloy transformer with the amorphous alloy transformer bilayer insulating structure of iron core.
Background technology
Distribution transformer when short circuit occurs, coil width to, it is axial can will by prodigious electromagnetic force, after coil stress
Power is transferred on iron core.It is easily broken after stress since amorphous band is thin.When transformer uses two layers of core structure, if
Iron core generates clast, can cause two layers of iron core part short circuit, and transformer noload losses and noise is finally caused to increase；
In transformer normal course of operation, iron core always exists magnetostriction, and over time, amorphous band exists
It will produce clast in operational process, clast can cause two layers of iron core part short circuit during vibrations, and cause transformer noise
Become larger, no-load loss increases；
Currently, to avoid two layers of iron core that local short circuit occurs, iron core painting epoxy layer or iron core is usually taken, and entirely wrapping is exhausted
Edge is protected, but all these modes all presence materials are more, take more, structure, complex process, and poor reliability etc. lacks
Point.
Chinese patent CN204966232U discloses a kind of high-efficiency and energy-saving type non-crystalline alloy power transformer, including hermetically sealed
Ripple struction fuel tank and transformer body are equipped with corrugated plating outside fuel tank, are equipped with case lid in top of oil-tank, are filled in fuel tank internal
There are transformer oil, transformer body to be immersed in transformer oil；Transformer body includes the high-tension coil being assembled together, low pressure
Coil and iron core, structure of transformer body is using the frame iron core fixing piece and guarantee coil of secured core under short trouble
Stability support construction composition, case lid top is respectively provided with high-voltage connection through bushing and low-tension bushing and low pressure is drawn
Line is additionally provided with transformer oil detector and spare casing on case lid, and the lower part of fuel tank is equipped with vacuum oil changing device, on fuel tank also
Equipped with earth stud.Wherein, iron core uses 2605SA1 amorphous alloy strips after the special cutter shearing of amorphous alloy strips
Mold molded package forms, and carrying out shearing manipulation using the special cutter of amorphous alloy strips can guarantee strip impulse- free robustness, seam
Marshalling carries out forming processes after the completion of band shearing in iron core in outer mold, to ensure that the interior outline border size of iron core accords with
Drawing requirement is closed, and by processing performance requirement, annealing heat-treats are carried out to iron core with annealing furnace, it is excellent to obtain to eliminate its stress
Good low loss characteristic, while iron core surface is brushed using epoxy resin, it is dried subsequently into continuous tunnel furnace.
Using the technique of above-mentioned epoxy resin brushing iron core, long processing time, complex process, energy consumption is big.
Utility model content
The purpose of this utility model is to provide amorphous alloy transformer bilayer insulating structure of iron core, to solve the prior art
Present in the fragment of amorphous alloy transformer upper layer iron core in order to prevent fall and cause the technical problem of manufacturing process complexity.
Amorphous alloy transformer bilayer insulating structure of iron core, including first layer iron core and second layer iron core, first layer iron core
With second layer iron core include multiple iron cores, between first layer iron core and second layer iron core be equipped with insulation board, insulation board be used for every
Exhausted first layer iron core and second layer iron core, the medial surface of each iron core of second layer iron core are fitted with insulating paper.
The utility model amorphous alloy transformer bilayer insulating structure of iron core has the beneficial effect that：
The amorphous alloy transformer bilayer insulating structure of iron core, by being arranged between first layer iron core and second layer iron core
Insulation board, the fragment that can greatly reduce the iron core of first layer fall into second layer iron core and trigger short-circuit possibility, and
And in the medial surface of each iron core of second layer iron core in setting insulating paper, can further reduce the iron core fragment that falls with
The possibility of second layer iron core contact.Cause second layer iron core that short circuit occurs to prevent the fragment of first layer iron core to fall
Accident occurs.It and in the program, when iron core is processed, need not be molded using epoxy coating, also not use insulating board packet
Iron core is wrapped up in, need not special processing individually be carried out to iron core, has saved lot of materials cost, it is simple for process, reliability is high.
Preferred technical solution, supplementary features are that insulation board includes middle part insulation board and edge insulation plate, and middle part is exhausted
Listrium is for completely cutting off the fragment fallen from iron core adjacent in first layer iron core from the gap between adjacent iron core, edge insulation
Plate is for completely cutting off the fragment fallen from iron core adjacent in first layer iron core from the outside between adjacent iron core.
Insulation board is set in this way, can not only be fallen from the adjacent gap of two iron cores to avoid fragment, but also
It can be fallen from the folding corner region of two iron cores to avoid fragment and cause two adjacent iron cores that short circuit occurs on the outside.
Further preferred technical solution, supplementary features are that middle part insulation board is rectangle, and the length of rectangle is adjacent
Iron core adjacent side wall length, the width of rectangle is the adjacent side wall of two adjacent iron cores in first layer iron core
Thickness and the sum of the gap between two iron cores adjacent in first layer iron core.
Setting middle part insulation board in this way, not only thoroughly encloses fragment on the direction of the length in gap and gap
The channel fallen, and can prevent the generated fragment on the bottom surface of first layer iron core directly fall to second layer iron core and
Cause the short circuit of second layer iron core.
Further preferred technical solution, supplementary features are that the part of edge insulation plate is by first layer iron core and
The clamping of two layers of iron core, the edge of the edge insulation plate side of iron core adjacent in second layer iron core is concordant or protrudes from second
The side of adjacent iron core in layer iron core, and edge insulation plate can completely cut off the fragment fallen from angular domain, angular domain
It is formed by region for the adjacent corner of adjacent iron core.
By making edge insulation plate be clamped by first layer iron core and second layer iron core, it is possible to reduce edge is firmly fixed
Insulation board, and the shape of edge insulation plate does above-mentioned setting, enables to the fragment fallen, can also be blocked by edge insulation plate
Firmly.
Preferred technical solution, supplementary features are that insulating paper is insulation crimped paper, and the section of insulating paper is L-shaped, absolutely
For the horizontal component of edge paper between first layer iron core and second layer iron core, the vertical portion of insulating paper is located at second layer iron core
Medial surface.
It sets insulating paper to L-shaped, first layer iron core and second layer iron core can be utilized when iron core is inserted into coil
The horizontal component for clamping insulating paper jointly, prevent L-shaped insulation crimped paper be subjected to displacement, and insulating paper horizontal component isolation from
The fragment that first layer iron core is fallen falls to second layer iron core upper surface, using the vertical portion of insulating paper by second layer iron core
Vertical portion protects.
Preferred technical solution, supplementary features are, further include low-voltage coil and inner support plate, and iron core is rectangular iron
Core, rectangle iron core are in multiple rows of setting, and the position consistency of multiple rectangle iron cores of same row is located in multiple rows of rectangle iron core,
Low-voltage coil is wrapped on the adjacent side wall of two adjacent rectangle iron cores；
Inner support plate is arranged in the inside of low-voltage coil, and the side wall of both sides is arranged by low-voltage coil winding in inner support plate
In one row rectangle iron core, the intersection of adjacent rectangle iron core, inner support plate is abutted with low-voltage coil.
By the way that inner support plate is arranged in the inside of low-voltage coil, and inner support plate is set to the phase of a row rectangle iron core
Adjacent rectangle iron core intersection, when width that can be in transformer short-circuit makes low-voltage coil be deformed inward to power, to low-voltage coil
Inside be supported, prevent low-voltage coil to inner edge shape.Moreover, implement the application scheme, need not individually to coil into
Row special designing, technique are reinforced, compared with the prior art in the scheme of setting epoxy cylinder also save lot of materials cost.
Further preferred technical solution, supplementary features are, further include high-tension coil, and high-tension coil is wrapped in low pressure
The outside of coil, external support board is additionally provided between multiple rectangle iron cores of same row, and external support board is equipped with by positioned at same row
There is hole, hole to have the first hole inner wall for adjacent multiple rectangle iron cores clamping, external support board, and the first hole inner wall is perpendicular to rectangular iron
The hole inner wall of the length direction of core, external support board is contacted with high-tension coil.
Due to being provided with external support board, the hole inner wall of external support board is contacted with high-tension coil, so when high-tension coil is short
When expansion outward when road, the constraint of external support board is received, so being not susceptible to deform.And the work that external support board is subject to
Firmly and outside active force, (it is, in general, that the direction is the multiple rectangular iron of a row on the length direction of external support board
The length direction of core), what external support board was subject to is pulling force and non-pressure, so external support board can generate larger active force,
To restrain the trend of deformation caused by multiple high-tension coils, to realize the deformation for preventing high-tension coil.
Technical solution still further preferably, supplementary features are, which is characterized in that inner support plate is epoxy resin
Plate, external support board are epoxy resin board.
Technical solution still further preferably, supplementary features are, which is characterized in that inner support plate perpendicular to rectangle
Two axial sides of iron core are contacted with external support board.
It is contacted, can be become by the expansion of low-voltage coil in inner support plate with external support board by two sides of inner support plate
Caused by gesture when active force, the active force suffered by inner support plate is converted to external support board, is applied on external support board.Profit
With the larger monnolithic case of external support board, to bear the active force along rectangle iron core axial direction that inner support plate is applied.
Another of the utility model is designed to provide a kind of amorphous alloy transformer, is provided with any of the above-described amorphous
Alloy transformer bilayer insulating structure of iron core.
The amorphous alloy transformer has all technique effects of above-mentioned amorphous alloy transformer bilayer insulating structure of iron core.
The utility model amorphous alloy transformer bilayer insulating structure of iron core has the beneficial effect that：
The amorphous alloy transformer bilayer insulating structure of iron core,
Preferred technical solution, supplementary features are, further include high-tension coil, and high-tension coil is wrapped in low-voltage coil
Outside, external support board is additionally provided between multiple rectangle iron cores of same row, and external support board is equipped with by positioned at the adjacent of same row
There is hole, hole to have the first hole inner wall, length of the first hole inner wall perpendicular to rectangle iron core for multiple rectangle iron core clampings, external support board
Direction is spent, the hole inner wall of external support board is contacted with high-tension coil.
Further preferred technical solution, supplementary features are that high-tension coil also has first connecting portion, the first connection
Portion's connection high-tension coil is located at the region positioned at rectangle iron core both sides in rectangle iron core axial direction, the both sides difference of first connecting portion
It is abutted with the outside of high-tension coil.
By the way that first connecting portion is arranged, it can prevent two adjacent high-tension coils from expanding outward, and even if two phases
For adjacent first connecting portion all by the active force expanded, stress is transmitted to the part of the side of external support board by first connecting portion,
It can also realize that the lateral parts of external support board are only resisted height by the situation of pulling force to bear larger active force
The larger deformation tendency of crimping circle.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view of the amorphous alloy transformer bilayer insulating structure of iron core of the utility model embodiment one；
Fig. 2 is the A-A figures of Fig. 1；
Fig. 3 is the B-B figures of Fig. 1；
Fig. 4 is the front view of the amorphous alloy transformer bilayer insulating structure of iron core of the utility model embodiment one；
Fig. 5 is the A-A figures of Fig. 4；
Fig. 6 is the B-B figures of Fig. 1.
The meaning that reference numeral used in each embodiment indicates is as follows：1- first layer iron cores；2- second layer iron cores；3-
High-tension coil；4- low-voltage coils；5- inner support plates；6- external support boards；Insulation board in the middle part of 71-；72- edge insulation plates；8- insulate
Crimped paper.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
Embodiment one
As shown in Figure 1-Figure 3,
Amorphous alloy transformer bilayer insulating structure of iron core, including first layer iron core 1 and second layer iron core 2, first layer iron
Core 1 and second layer iron core 2 include multiple iron cores, and insulation board, insulation board are equipped between first layer iron core 1 and second layer iron core 2
For completely cutting off first layer iron core 1 and second layer iron core 2, the medial surface of each iron core of second layer iron core 2 is fitted with insulating paper.
In the present embodiment, first layer iron core 1 is the iron core on upper layer, and second layer iron core 2 is the iron core of lower layer.
The amorphous alloy transformer bilayer insulating structure of iron core, by being set between first layer iron core 1 and second layer iron core 2
Insulation board is set, the fragment that can greatly reduce the iron core of first layer falls into second layer iron core 2 and triggers short-circuit possibility,
And it is broken can further to reduce the iron core fallen in setting insulating paper in the medial surface of each iron core of second layer iron core 2
The possibility that piece is contacted with second layer iron core 2.Second layer iron core 2 is caused to be sent out to prevent the fragment of first layer iron core 1 to fall
The accident of raw short circuit occurs.It and in the program, when iron core is processed, need not be molded, also not used exhausted using epoxy coating
Edge cardboard wraps up iron core, individually need not carry out special processing to iron core, save lot of materials cost, simple for process, reliable
Property it is high.
Particularly, insulation board includes middle part insulation board 71 and edge insulation plate 72, middle part insulation board 71 for completely cut off from
The fragment that adjacent iron core is fallen from the gap between adjacent iron core in first layer iron core 1, edge insulation plate 72 is for completely cutting off
The fragment fallen from iron core adjacent in first layer iron core 1 from the outside between adjacent iron core.
Insulation board is set in this way, can not only be fallen from the adjacent gap of two iron cores to avoid fragment, but also
It can be fallen from the folding corner region of two iron cores to avoid fragment and cause two adjacent iron cores that short circuit occurs on the outside.
Further particularly, middle part insulation board 71 is rectangle, and the length of rectangle is the adjacent side wall of adjacent iron core
Length, the width of rectangle is the thickness of the adjacent side wall of two iron cores adjacent in first layer iron core 1 and is first layer iron
The sum of gap in core 1 between two adjacent iron cores.
Setting middle part insulation board 71 in this way, not only thoroughly encloses on the direction of the length in gap and gap broken
The channel that piece is fallen, and can prevent the generated fragment on the bottom surface of first layer iron core 1 from directly falling to second layer iron
Core 2 and the short circuit for causing second layer iron core 2.
Further particularly, the part of edge insulation plate 72 is clamped by first layer iron core 1 and second layer iron core 2, edge
The edge of the insulation board side of iron core adjacent in second layer iron core 2 is concordant or protrudes from the phase stated in second layer iron core 2
The side of adjacent iron core, and edge insulation plate 72 can completely cut off the fragment fallen from angular domain, angular domain is adjacent iron
The adjacent corner of core is formed by region.
By making edge insulation plate 72 be clamped by first layer iron core 1 and second layer iron core 2, it is possible to reduce be firmly fixed
Edge insulation plate 72, and the shape of edge insulation plate 72 does above-mentioned setting, enables to the fragment fallen, it also can be by edge
Insulation board 72 stops.
Insulating paper is insulation crimped paper 8, and the section of insulating paper is L-shaped, and the horizontal component of insulating paper is located at first layer iron core
Between second layer iron core, the vertical portion of insulating paper is located at the medial surface of second layer iron core.
It sets insulating paper to L-shaped, first layer iron core and second layer iron core can be utilized when iron core is inserted into coil
The horizontal component for clamping insulating paper jointly, prevent L-shaped insulation crimped paper be subjected to displacement, and insulating paper horizontal component isolation from
The fragment that first layer iron core is fallen falls to second layer iron core upper surface, using the vertical portion of insulating paper by second layer iron core
Vertical portion protects.
The operating principle of the present embodiment is：
After four second layer iron cores 2 are horizontally inserted into coil, L-shaped insulation wrinkle is inserted into each 2 internal side diameter of second layer iron core
Line paper 8, as shown in Figure 2.After the completion of processing, insulating board is placed in the upper surface on four 2 surfaces of second layer iron core, such as Fig. 3 institutes
Show.Four first layer iron cores 1 are finally inserted into, as shown in Figure 1.Entire assembly method is simply, conveniently.
Embodiment two
As shown in Figure 4-Figure 6, the present embodiment and embodiment one the difference is that, further include low-voltage coil 4 and Nei Zhi
Fagging 5, the iron core are rectangle iron core, and rectangle iron core is arranged in 2 rows, and each row's rectangle iron core includes 4 rectangle iron cores.2 rows
In rectangle iron core two adjacent rectangular irons are wrapped in positioned at the position consistency of multiple rectangle iron cores of same row, low-voltage coil 4
On the adjacent side wall of core；Inner support plate 5 is arranged in the inside of low-voltage coil 4, and the side wall that both sides are arranged in inner support plate 5 is low
In the row rectangle iron core that crimping circle 4 is wound, the intersection of adjacent rectangle iron core, inner support plate 5 is abutted with low-voltage coil 4.
The amorphous alloy transformer bilayer insulating structure of iron core, by the way that inner support plate 5 is arranged in the inside of low-voltage coil 4,
And inner support plate 5 is set to the adjacent rectangle iron core intersection of a row rectangle iron core, can be in transformer short-circuit
When width makes low-voltage coil 4 be deformed inward to power, the inside of low-voltage coil 4 is supported, prevents low-voltage coil 4 to inner edge shape.
Moreover, implement the application scheme, need not individually to coil carry out special designing, technique reinforce, compared with the prior art in
The scheme of setting epoxy cylinder also save lot of materials cost.
Coil itself in the present embodiment does not take any strengthening measure, coil not to increase epoxy cylinder skeleton when making, no
Reinforced using other manners such as dipping lacquers.
Particularly, further include high-tension coil 3, high-tension coil 3 is wrapped in the outside of low-voltage coil 4, same row it is multiple
External support board 6 is additionally provided between rectangle iron core, external support board 6 is equipped with to be pressed from both sides by adjacent multiple rectangle iron cores positioned at same row
It holds, external support board 6 has hole, specifically, the hole is rectangular opening, and the thickness direction of external support board 6 is run through in the hole, and hole has the
One hole inner wall, perpendicular to the length direction of rectangle iron core, the hole inner wall of external support board 6 contacts the first hole inner wall with high-tension coil 3.
Due to being provided with external support board 6, the hole inner wall of external support board 6 is contacted with high-tension coil 3, so working as high-tension coil 3
When expansion outward in short circuit, the constraint of external support board 6 is received, so being not susceptible to deform.And external support board 6 by
To active force be also outside active force, (it is, in general, that the direction is that a row is multiple on the length direction of external support board 6
Rectangle iron core length direction), what external support board 6 was subject to is pulling force and non-pressure, thus external support board 6 can generate it is larger
Active force, the trend of deformation caused by multiple high-tension coils 3 is restrained, high-tension coil 3 is prevented to realize
Deformation.
Further particularly, also there is high-tension coil 3 first connecting portion, first connecting portion connection high-tension coil 3 to be located at
The region positioned at rectangle iron core both sides in rectangle iron core axial direction, the both sides of the first connecting portion outside with high-tension coil 3 respectively
It is adjacent.
By the way that first connecting portion is arranged, it can prevent two adjacent high-tension coils 3 from expanding outward, and even if two phases
For adjacent first connecting portion all by the active force expanded, stress is transmitted to the part of the side of external support board 6 by first connecting portion,
It can also realize that the lateral parts of external support board 6 are only resisted height by the situation of pulling force to bear larger active force
The larger deformation tendency of crimping circle 3.
Particularly, inner support plate 5 is epoxy resin board.External support board 6 is also epoxy resin board.
Further particularly, two sides of the axial direction perpendicular to rectangle iron core of inner support plate 5 connect with external support board 6
It touches.
It is contacted with external support board 6 by two sides of inner support plate 5, it can be in inner support plate 5 by the swollen of low-voltage coil 4
Caused by swollen trend when active force, the active force suffered by inner support plate 5 is converted to external support board 6, is applied to outer support
On plate 6.It is axial along rectangle iron core come bear that inner support plate 5 applied using the larger monnolithic case of external support board 6
Active force.
Further particularly, inner support plate 5 is rectangle.
When inner support plate 5 is rectangle, inner support plate 5 with the active force suffered by rectangle iron core axially parallel side,
It can be just transformed on the sideway stance of external support board 6 at once from the edge of inner support plate 5, thus by 5 institute of inner support plate
The pressure received is converted into the suffered pressure of external support board 6.
Embodiment three
The present embodiment provides a kind of amorphous alloy transformers, are provided with any of the above-described amorphous alloy transformer bilayer iron core
Insulation system.
The amorphous alloy transformer has all technique effects of above-mentioned amorphous alloy transformer bilayer insulating structure of iron core.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement, such as：
(1) in embodiment two, inner support plate is rectangle, and actually also the shape of inner support plate can also be other shapes,
For example, the shape of support plate can be octagon, and in other words, octagon, the actually rectangle of bevelling, or can also
It is round rectangle or decagon or dodecagon, as long as low-voltage coil can be resisted, while external support board can be resisted
Hole the side wall parallel with the length direction of external support board.
(2) in embodiment two and above-mentioned variants, inner support plate is all the plate of an entity.Actually inner support plate, Ke Yiwei
One frame.The frame of for example, one diamond shape, the frame of the diamond shape, the plane where diamond shape are the interface of two rows of iron cores, work as low pressure
When coil expands, the position of diamond contacted with low-voltage coil generates trend close to each other, promotes diamond shape
The position of frame contacted with external support board generates the trend being located remotely from each other.I.e., it is assumed that the inner space of the cross section of low-voltage coil,
It is more than the length of another dimension of the inner space of low-voltage coil along the axial length of low-voltage coil, the above process is occurring
When, which, which will visually become more flat, shorter diagonal line, has the tendency that shortening, longer diagonal line have becoming for growth
Gesture.The active force along external support board length direction when low-voltage coil is expanded is converted to the effect along external support board width direction
Power.By the pressure suffered by inner support plate, it is converted into the pulling force suffered by the lateral parts of external support board.
And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. amorphous alloy transformer bilayer insulating structure of iron core, which is characterized in that including first layer iron core and second layer iron core, institute
It includes multiple iron cores to state first layer iron core and the second layer iron core, between the first layer iron core and the second layer iron core
Equipped with insulation board, the insulation board is used to completely cut off the first layer iron core and the second layer iron core, the second layer iron core
The medial surface of each iron core is fitted with insulating paper.
2. amorphous alloy transformer bilayer insulating structure of iron core according to claim 1, which is characterized in that the insulation board
Including middle part insulation board and edge insulation plate, the middle part insulation board for completely cut off it is adjacent from the first layer iron core described in
The fragment that iron core is fallen from the gap between the adjacent iron core, the edge insulation plate is for completely cutting off from the first layer iron
The fragment that the adjacent iron core is fallen from the outside between the adjacent iron core in core.
3. amorphous alloy transformer bilayer insulating structure of iron core according to claim 2, which is characterized in that the middle part is exhausted
Listrium is rectangle, and the length of the rectangle is the length of the adjacent side wall of the adjacent iron core, and the width of the rectangle is
The thickness of the adjacent side wall of two adjacent iron cores and be adjacent in the first layer iron core in the first layer iron core
Two iron cores between the sum of gap.
4. amorphous alloy transformer bilayer insulating structure of iron core according to claim 2, which is characterized in that the edge is exhausted
The part of listrium is clamped by the first layer iron core and the second layer iron core, the edge of the edge insulation plate and described second
The side of the adjacent iron core in layer iron core is concordant or protrudes from the adjacent iron core in the second layer iron core
Side, and the edge insulation plate can completely cut off the fragment fallen from angular domain, the angular domain is the adjacent iron
The adjacent corner of core is formed by region.
5. amorphous alloy transformer bilayer insulating structure of iron core according to claim 1, which is characterized in that the insulating paper
Section for the crimped paper that insulate, the insulating paper is L-shaped, and the horizontal component of the insulating paper is located at the first layer iron core and institute
Between stating second layer iron core, the vertical portion of the insulating paper is located at the medial surface of the second layer iron core.
6. the amorphous alloy transformer bilayer insulating structure of iron core according to any claim in claim 1-5, special
Sign is, further includes low-voltage coil and inner support plate, and the iron core is rectangle iron core, the rectangle iron core is in multiple rows of setting, more
The position consistency of multiple rectangle iron cores in the rectangle iron core positioned at same row is arranged,
The low-voltage coil is wrapped on the adjacent side wall of two adjacent rectangle iron cores；
The inner support plate is arranged in the inside of the low-voltage coil, and the side wall of inner support plate setting both sides is by described low
In the one row rectangle iron core of crimping circle winding, the intersection of the adjacent rectangle iron core, the inner support plate with it is described
Low-voltage coil abuts.
7. amorphous alloy transformer bilayer insulating structure of iron core according to claim 6, which is characterized in that further include high pressure
Coil, the high-tension coil are wrapped in the outside of the low-voltage coil, are additionally provided between multiple rectangle iron cores of same row
External support board, the external support board is equipped with to be clamped by adjacent multiple rectangle iron cores positioned at same row, the outer support
Plate have hole, the hole have the first hole inner wall, first hole inner wall perpendicular to the rectangle iron core length direction, it is described
The hole inner wall of external support board is contacted with the high-tension coil.
8. amorphous alloy transformer bilayer insulating structure of iron core according to claim 7, which is characterized in that the inner support
Plate is epoxy resin board, and the external support board is epoxy resin board.
9. amorphous alloy transformer bilayer insulating structure of iron core according to claim 7, which is characterized in that the inner support
Plate is contacted perpendicular to two axial sides of the rectangle iron core with the external support board.
10. amorphous alloy transformer, which is characterized in that be provided in claim 1-9 the amorphous described in any claim and close
Golden transformer bilayer insulating structure of iron core.
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