CN105742031B - The stacked iron core and its process of a kind of solid transformer - Google Patents
The stacked iron core and its process of a kind of solid transformer Download PDFInfo
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- CN105742031B CN105742031B CN201410754096.0A CN201410754096A CN105742031B CN 105742031 B CN105742031 B CN 105742031B CN 201410754096 A CN201410754096 A CN 201410754096A CN 105742031 B CN105742031 B CN 105742031B
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Abstract
The present invention relates to a kind of stacked iron core of solid transformer, including three stems and six cross-bridges;Three stems be arranged in parallel, and in the plane perpendicular to three stem axis, the line in each two stem axle center is equal and forms equilateral triangle;Connected by a cross-bridges between the top of each two stem, connected between the bottom of each two stem by a cross-bridges.Its process is that stem metal monoliths are replaced to superposition successively to form stem and fixed bottom, successively by multiple cross-bridges metal monoliths it is positive and negative successively replace superposition form cross-bridges, complete the connection of three cross-bridges and three stem end faces, it is inverted three stems, after three coils of well in advance are inserted in into three stems respectively, stem and cross-bridges are connected, that is, completes the making of stacked iron core.The stacked structure of the present invention allows the stem of iron core and iron core cross-bridges to be in released state, is easy to be set with set coil;Therefore operating efficiency is high, and manufacturing process is simple and quick, is adapted to large batch of production.
Description
Technical field
The invention belongs to field transformer, specifically a kind of stacked iron core and its making for solid transformer
Process.
Background technology
Solid transformer is a kind of Power-saving-type Power Transformer, and its three-phase stereoscopic arrangement makes transformer performance more preferable, electrically
Performance and geometrical performance are more scientific and reasonable, therefore solid transformer is widely used for the fields such as industry, electric power.
At present, the tri-phase iron core of solid transformer use metal material integral structure, make transformer when, it is necessary to
Coil is wrapped on iron core, especially when transformer specification is bigger, the size of its iron core accordingly increases, and coil one is enclosed into one
Enclose the land to be wrapped on thick iron core and just turn into a hard work.In addition, installation coil needs iron core production to complete, then
Wound around coil finally turns into transformer on integral type iron core, must first complete iron core during production, further around coil, process sequence point is first
Afterwards, it is impossible to carry out simultaneously, single-piece production cycle length, operating efficiency is low, while it is big to install winding difficulty, it is difficult to forms flowing water metaplasia
Production, scale are produced in enormous quantities completely limited.
The content of the invention
It is an object of the present invention to provide it is a kind of can assemble, that installation effectiveness is high and the electrical characteristic of its stereochemical structure is more excellent is folded
Formula iron core and its process.
The used to achieve the above object technical scheme of the present invention is:A kind of stacked iron core of solid transformer, including
Three stems and six cross-bridges;Three stems be arranged in parallel, and in the plane perpendicular to three stem axis, each two
The line in stem axle center is equal and forms equilateral triangle;Connected between the top of each two stem by a cross-bridges, every two
Connected between the bottom of individual stem by a cross-bridges.
The stem is formed by stacking by multiple stem metal monoliths.
The stem metal monoliths extend to form inserted terminal for a short side of rectangle and rectangle, and another short side is flat
End.
The flush end of the stem metal monoliths replaces superposition and forms stem successively downwards, upwards, and stem metal monoliths are put down
End, the end face of inserted terminal replace the adjacent end face for forming stem successively.
The cross-bridges is formed by stacking by multiple cross-bridges metal monoliths.
The cross-bridges metal monoliths are rectangle and are provided with gap with the long side of stem end contact.
60 ° of the cross-bridges metal monoliths both ends bending, and the length of side of dogleg section is more than or equal to stem metal monoliths
Flush end length.
The gap coordinates with the inserted terminal on stem metal monoliths.
The cross-bridges metal monoliths are positive and negative, and alternately superposition forms cross-bridges, gap and the stem metal of cross-bridges metal monoliths successively
The grafting end in contact connection of monolithic, the long side that cross-bridges metal monoliths have gap contact connection with the flush end of stem metal monoliths.
A kind of process of the stacked iron core of solid transformer, comprises the following steps:
1) flush end of stem metal monoliths is replaced into superposition downwards, upwards successively and forms stem, fix three stem bottoms,
Cross-section center line of three stems in the plane perpendicular to three stem axis is set to form equilateral triangle;
2) on superincumbent stem end face, successively by multiple cross-bridges metal monoliths it is positive and negative successively replace superposition form cross-bridges,
The gap of each cross-bridges metal monoliths is connected with the grafting end in contact of corresponding stem metal monoliths, that is, complete a horizontal stroke
The connection of bridge and two neighboring stem;
3) repeat step 2), the connection until completing three cross-bridges and three stem end faces;
4) three stems, after three coils of well in advance are inserted in into three stems respectively, repeat step 2 are inverted)~step
It is rapid 3), that is, complete the making of stacked iron core.
The invention has the advantages that and advantage:
1. the present invention forms iron core unit using the superposition of iron core monolithic, and then forms the stacked structure of iron core, make iron core
Stem can be in released state with iron core cross-bridges, be easy to be set with set coil;Line is made while iron core is made
Circle, the fabrication of iron core such as it is not required to and completes wound around coil again, therefore operating efficiency is high, manufacturing process is simple and quick, is adapted to large batch of
Production.
2. the iron core monolithic of the present invention and the monolithic of cross-bridges have respectively patches part and gap part, therefore contacts connection
When, iron core monolithic and cross-bridges monolithic can coincide contact, keep magnetic circuit unimpeded.
3. the iron core monolithic or cross-bridges monolithic of the present invention are all alternative expression closed assembly, patching for iron core monolithic is partly a piece of with
The gap part of cross-bridges monolithic be in contact, therefore the junction contact area of iron core and cross-bridges increases, and magnetic circuit is more unimpeded.
4. the central point line that three stem axle center of the stacked structure iron core of the present invention are intersected with three axle center is formed
120 ° each other of angle, such stereochemical structure equal magnetic circuit, three phase electrical parameters are consistent, and magnetic is relative without hysteresis.
5. magnetic resistance such as the stereochemical structures of three-phase of the present invention, leakage field is few, and three-phase is balanced.
6. the stereochemical structure anti-short circuit capability of three-phase of the present invention is strong.When burst type short circuit occurs, stacked structure iron core
Three stems are formed by connecting triangle rock-steady structure, and the short-circuit stress per phase stem is equal, therefore iron core is unlikely to deform.
7. several any forces structure equilibriums of the present invention, service life length.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention;
Fig. 2 is the stacked iron core cross-bridges side top view of the present invention;
Fig. 3 a are the stem monolithic and cross-bridges monolithic front view of the present invention;
Fig. 3 b are the stem monolithic and cross-bridges monolithic left view of the present invention;
Fig. 3 c are the stem monolithic and cross-bridges monolithic top view of the present invention;
Fig. 3 d are the stem monolithic and cross-bridges monolithic three-dimensional assembling schematic diagram of the present invention;
Double-deck the stem monolithic and cross-bridges monolithic that Fig. 4 a are the present invention are superimposed front view;
Double-deck the stem monolithic and cross-bridges monolithic that Fig. 4 b are the present invention are superimposed left view;
Double-deck the stem monolithic and cross-bridges monolithic that Fig. 4 c are the present invention are superimposed top view;
Double-deck the stem monolithic and cross-bridges monolithic that Fig. 4 d are the present invention are superimposed three-dimensional assembling schematic diagram;
Fig. 5 a are double-deck stem monolithic and cross-bridges monolithic the superposition assembling top view of the present invention;
Double-deck the stem monolithic and cross-bridges monolithic that Fig. 5 b are the present invention are superimposed assembling schematic perspective view;
Fig. 5 c are double-deck stem monolithic and cross-bridges monolithic the superposition assembling front view of the present invention;
Fig. 5 d are double-deck stem monolithic and cross-bridges monolithic the superposition assembling left view of the present invention;
Wherein, 1 stem, 2 cross-bridges, 3 stem metal monoliths, 4 cross-bridges metal monoliths, 5 gap.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail.
As shown in Fig. 1~2, a kind of stacked iron core of solid transformer of the invention, its structure is by three stems 1 and six
Cross-bridges 2 is formed;Three stems 1 are parallel and are vertically arranged, and center line is intersected in the axle center of stem with three stem axis, and to form three flat
Face is mutually 120 ° of angles, is connected respectively by a cross-bridges between the top and bottom per two adjacent stems.
Shown as shown in Fig. 3 a~3d, Fig. 4 a~4d, stem 1 is formed by stacking by multiple stem metal monoliths 3, stem gold
Category monolithic 3 is rectangle, and a short side of rectangle extends to form inserted terminal, and another short side is flush end.The inserted terminal can be three
Angular, circular etc., the angle of inserted terminal can be between 45 ° to 90 °, be preferred with 90 °, the convenient metal monoliths with cross-bridges slit
Mouthfuls 5 coincide, and it is maximum with the contact area between adjacent sheet, be beneficial to the magnetic line of force by and also helping between each other
The fixation of position, is not easily disconnected from.
Stem 1 be by stem metal monoliths 3 flush end downwards, upwards successively alternately be superimposed, by fixture or its
Its mode is fixed;After being fixed together, the flush end of stem metal monoliths, the end face of inserted terminal replace adjacent formation stem successively
End face.The end face can be circular, rectangle or approximate ellipsoidal, metal monoliths can be formed into monolithic cell by specification size,
Metal monoliths size in one monolithic cell is identical with thickness, in the metal monoliths for forming stem, middle several monolithics
Unit size is identical, and the monolithic cell of both sides can successively decrease successively by monolithic flush end size dimension, that is to say, that middle
Monolithic cell end face length to both sides monolithic cell end face length into gradually successively decreasing, thus constitute end face for it is circular,
Rectangle or like ellipse, and circle, rectangle or center like oval type end side and the circles of other two stems, rectangle or
60 ° of angles are formed like the line of ellipse end face center, line forms equilateral triangle.
Cross-bridges 2 is formed by stacking by multiple cross-bridges metal monoliths 4, and cross-bridges metal monoliths are rectangle, with stem end contact
Long side is provided with gap, and the angle in another long side can have chamfering or fillet.Many materials so can be saved and do not influence iron
The electrical characteristic of core.
As shown in Fig. 5 a~5d, stem is placed into equilateral triangle shaped position, therefore forms the corresponding metal list of three stems
Plate plane is also mutually 120 °, so two stems are connected, 60 ° of cross-bridges metal monoliths both ends bending need to be made into dogleg section
120 ° of angles are formed with the body part of non-bending, the dogleg section at such both ends is located at corresponding stem metal monoliths respectively
Same plane and gap contacts connection with inserted terminal in consistent manner.In addition, the length of side of dogleg section is more than or equal to stem metal list
The flush end length of piece, so ensure dogleg section completely can with stem metal monoliths are seamless contacts, gap is also in dogleg section.
When forming cross-bridges 2, cross-bridges metal monoliths 4 are positive and negative, and alternately superposition forms cross-bridges successively, makes cross-bridges metal monoliths 4
Gap 5 is connected with the grafting end in contact of stem metal monoliths 3, and cross-bridges metal monoliths 4 have the long side and another stem of gap 5
Metal monoliths flush end contact connection.
As shown in Fig. 1~2, when stem metal monoliths successively decrease successively according to the size of metal monoliths unit from centre to both sides
When, then several cross-bridges metal monoliths can also form cross-bridges monolithic cell, i.e., the monolithic cell in cross-bridges or single-sheet thickness with
The stem monolithic cell or stem single-sheet thickness of corresponding contact connection are equal.The long side and dogleg section length of cross-bridges all follow
What the flush end length of stem monolithic was gradually successively decreased.It is also possible to make the monolithic width of cross-bridges, side is gradually successively decreased from inside to outside, this
The outer surface of sample cross-bridges can form curved surface, be advantageous to save material and do not influence logical magnetic.
Metal monoliths for forming stem and cross-bridges can use silicon steel sheet, maintain solid transformer electrical equipment unshakable in one's determination
Characteristic.
A kind of process of the stacked iron core of solid transformer is as follows:
1) flush end of stem metal monoliths is replaced into superposition downwards, upwards successively and forms stem, it is solid with fixture or mould etc.
Fixed three stem bottoms make stem end face center be mutually 120 ° of angles;
2) on upward stem end face, successively by multiple cross-bridges metal monoliths it is positive and negative successively replace superposition be placed in accordingly
On stem metal monoliths, the gap of each cross-bridges metal monoliths is connected with the grafting end in contact of corresponding stem metal monoliths,
The flush end of side of the length of side with gap without the gap stem metal monoliths corresponding with another stem contacts connection;So
The unilateral full contact of previous stem metal monoliths inserted terminal and next cross-bridges metal monoliths, just constitutes the positive and negative of inserted terminal
Face is respectively with the unilateral contacts of front and rear adjacent cross-bridges metal monoliths and clamping, between the inserted terminal of multiple stem metal monoliths
There are cross-bridges metal monoliths to clamp, the contact surface not only produces frictional force and more conducively consolidating between stem and cross-bridges by clamping
It is fixed, and make magnetic circuit more unobstructed, magnetic resistance is small, good electric property.
Aforesaid operations make multiple cross-bridges metal monoliths form cross-bridges, make the gap of each cross-bridges metal monoliths with it is corresponding
Stem metal monoliths inserted terminal completely attach to connection, that is, complete the connection of a cross-bridges and two neighboring stem;
3) repeat step 2), the connection until completing three cross-bridges and three stem end faces;
4) three stems are overturn, three cross-bridges is located at lower section, three coils of well in advance is inserted in three cores respectively
After post, repeat step 2)~step 3), connection has so been completed between three stems and six cross-bridges, has realized vertical transformation
The craftwork manufacture of device stacked iron core.
Claims (8)
- A kind of 1. stacked iron core of solid transformer, it is characterised in that:Including three stems (1) and six cross-bridges (2);Described three Individual stem (1) be arranged in parallel, and in the plane perpendicular to three stem axis, the line in each two stem (1) axle center is equal And form equilateral triangle;Connected between the top of each two stem (1) by a cross-bridges (2), the bottom of each two stem (1) Connected between end by a cross-bridges (2);The stem (1) is formed by stacking by multiple stem metal monoliths (3);The stem metal monoliths (3) extend to form inserted terminal for a short side of rectangle and rectangle, and another short side is flush end.
- A kind of 2. stacked iron core of solid transformer according to claim 1, it is characterised in that:The stem metal monoliths (3) flush end replaces superposition downwards, upwards and forms stem (1), the flush end of stem metal monoliths (3), the end face of inserted terminal successively Replace the adjacent end face for forming stem (1) successively.
- A kind of 3. stacked iron core of solid transformer according to claim 1, it is characterised in that:The cross-bridges (2) is by more Individual cross-bridges metal monoliths (4) are formed by stacking.
- A kind of 4. stacked iron core of solid transformer according to claim 3, it is characterised in that:The cross-bridges metal monoliths (4) rectangle and to be provided with gap (5) with the long side of stem (1) end contact.
- A kind of 5. stacked iron core of solid transformer according to claim 3 or 4, it is characterised in that:The cross-bridges metal 60 ° of monolithic (4) both ends bending, and the length of side of dogleg section is more than or equal to the flush end length of stem metal monoliths (3).
- A kind of 6. stacked iron core of solid transformer according to claim 4, it is characterised in that:The gap (5) and core Inserted terminal on post metal monoliths (3) coordinates.
- A kind of 7. stacked iron core of solid transformer according to claim 3 or 4, it is characterised in that:The cross-bridges metal Monolithic (4) is positive and negative, and alternately superposition forms cross-bridges (2), gap (5) and the stem metal monoliths (3) of cross-bridges metal monoliths (4) successively The connection of grafting end in contact, the long side that cross-bridges metal monoliths (4) have gap (5) contacts company with the flush end of stem metal monoliths (3) Connect.
- 8. the process of the stacked iron core of a kind of solid transformer, it is characterised in that comprise the following steps:1) flush end of stem metal monoliths (3) is replaced into superposition downwards, upwards successively and forms stem (1), fix three stems (1) Bottom, cross-section center line of three stems (1) in the plane perpendicular to three stem axis is set to form equilateral triangle;2) on superincumbent stem (1) end face, successively by multiple cross-bridges metal monoliths (4) it is positive and negative successively replace superposition form cross-bridges (2) gap (5) of each cross-bridges metal monoliths (4), is made to be connected with the grafting end in contact of corresponding stem metal monoliths (3), Complete the connection of a cross-bridges (2) and two neighboring stem (1);3) repeat step 2), until completing three cross-bridges (2) and the connection of three stem (1) end faces;4) three stems (1), after three coils of well in advance are inserted in into three stems (1) respectively, repeat step 2 are inverted)~ Step 3), that is, complete the making of stacked iron core.
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CN202282219U (en) * | 2011-09-19 | 2012-06-20 | 蒋元华 | Angle-folding laminated type three-dimensional triangular iron core |
CN202796353U (en) * | 2012-09-07 | 2013-03-13 | 苏州安泰变压器有限公司 | Novel three-phase stereo wound core distribution transformer |
CN202930159U (en) * | 2012-10-17 | 2013-05-08 | 山东鲁能泰山电力设备有限公司 | Stereo stacked type transformer iron core |
CN103456466A (en) * | 2013-09-12 | 2013-12-18 | 韩宝华 | Three-phase three-pillar three-dimensional magnetic circuit for electrical equipment |
CN204348480U (en) * | 2014-12-10 | 2015-05-20 | 辽宁易德电气有限公司 | A kind of stacked iron core of solid transformer |
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NL1033887C2 (en) * | 2007-05-24 | 2008-11-25 | Berkin Bv | Transformer core. |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202282219U (en) * | 2011-09-19 | 2012-06-20 | 蒋元华 | Angle-folding laminated type three-dimensional triangular iron core |
CN202796353U (en) * | 2012-09-07 | 2013-03-13 | 苏州安泰变压器有限公司 | Novel three-phase stereo wound core distribution transformer |
CN202930159U (en) * | 2012-10-17 | 2013-05-08 | 山东鲁能泰山电力设备有限公司 | Stereo stacked type transformer iron core |
CN103456466A (en) * | 2013-09-12 | 2013-12-18 | 韩宝华 | Three-phase three-pillar three-dimensional magnetic circuit for electrical equipment |
CN204348480U (en) * | 2014-12-10 | 2015-05-20 | 辽宁易德电气有限公司 | A kind of stacked iron core of solid transformer |
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