CN207909688U - Three-dimensional reel iron core transformer core insulation cushion block - Google Patents
Three-dimensional reel iron core transformer core insulation cushion block Download PDFInfo
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- CN207909688U CN207909688U CN201820230393.9U CN201820230393U CN207909688U CN 207909688 U CN207909688 U CN 207909688U CN 201820230393 U CN201820230393 U CN 201820230393U CN 207909688 U CN207909688 U CN 207909688U
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- cushion block
- coil
- rectangle
- iron core
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Abstract
The utility model provides a kind of three-dimensional reel iron core transformer core insulation cushion block, belong to transformer technology field, including two groups of cross-over blocks, one group is placed between upper clamping piece and coil, and another group is placed between lower clamping piece and coil, and every group is 7 pieces, including 3 pieces of special-shaped cushion blocks, 3 pieces of rectangle cushion blocks and 1 piece of regular polygon cushion block, connecting hole is equipped on two groups of cross-over blocks, special-shaped cushion block is connected with rectangle cushion block by connecting hole, and regular polygon cushion block is connected with special-shaped cushion block.Three-dimensional reel iron core transformer core insulation cushion block provided by the utility model, first by special-shaped cushion block axial compression coil when use, rectangle cushion block and regular polygon cushion block are compressed into special-shaped cushion block again, the technical issues of solving coil cannot axially compress, be influenced by cushion block shrink, have it is simple in structure, easy to operate, to the reliable technique effect of the axial pressing force of coil.
Description
Technical field
The utility model belongs to transformer technology field, is to be related to a kind of three-dimensional reel iron core transformer iron more specifically
Yoke cross-over block.
Background technology
The single frame that three-dimensional winding iron core is rolled by the identical silicon sheet core of three structures forms, and the section on single frame frame side is in
Approximate half-circular, three single frames crowd around into a circle, and two neighboring single frame is that munnion side is bonded the composition stem that is fixed together, and is used
In coiling, the transverse frame edge of each single frame is iron yoke.Transformer yoke cushion block is the core of axial compression transformer coil
One of part plays insulation and the effect of axial compression coil in the structure of entire transformer.Due to the iron of silent three-dimensional winding iron core
Core frame is an entirety necessarily to be had a fixed gap between the cushion block and coil below iron yoke, cannot rely on iron yoke when device body assembles
Carry out branch and compresses cushion block, even if after filling in the auxiliary materials such as insulating board again when device body assembles, after device body drying and dewatering, institute
There is insulating materials that can shrink, causes the gap below iron yoke to increase, coil cannot axially compress.When coil impacted or short circuit
When, it cannot fully be compressed due to axial, coil can be caused to be subjected to displacement, cause turn(s) insulation impaired, further expand damage journey
Degree.
Utility model content
The purpose of this utility model is to provide a kind of three-dimensional reel iron core transformer core insulation cushion blocks, to solve existing skill
The technical issues of coil present in art cannot axially be compressed, be influenced by cushion block shrink, it is simple in structure, easy to operate, right to have
The reliable feature of the axial pressing force of coil.
To achieve the above object, the technical solution adopted in the utility model is：A kind of three-dimensional reel iron core transformer iron is provided
Yoke cross-over block, including two groups of cross-over blocks, one group is placed between upper clamping piece and coil, another group be placed in lower clamping piece and coil it
Between, every group is 7 pieces, including 3 pieces of special-shaped cushion blocks, 3 pieces of rectangle cushion blocks and 1 piece of regular polygon cushion block, the end of the abnormal shape cushion block
Portion is equipped with connecting hole, and the center of the rectangle cushion block and the regular polygon cushion block is equipped with connecting hole, the rectangle cushion block with
The outer end of the abnormal shape cushion block is connected, and the inner end of the regular polygon cushion block and the special-shaped cushion block is connected；
The abnormal shape cushion block and the rectangle cushion block are overlapped on adjacent two coil, and the regular polygon cushion block is placed in three
The centre of a coil is simultaneously overlapped with three coils.
Further, the connecting hole of the special-shaped cushion block and the connecting hole of the rectangle cushion block are correspondingly connected with and press.
Further, it the interior end in contact of the regular polygon cushion block and the special-shaped cushion block and presses.
Further, three groove structures are equipped with the rectangle cushion block on the special-shaped cushion block.
Further, the inner end of the special-shaped cushion block is equipped with chamfering.
Further, the special-shaped cushion block is arranged at a right angle with the rectangle cushion block.
Further, the regular polygon cushion block is equilateral triangle structure or regular hexagon structure.
Further, the special-shaped cushion block and the side of the rectangle cushion block and coil contact are equipped with oil groove.
The advantageous effect of three-dimensional reel iron core transformer core insulation cushion block provided by the utility model is：With the prior art
It compares, the utility model three-dimensional reel iron core transformer core insulation cushion block, first by special-shaped cushion block axial compression coil when use, then
Rectangle cushion block and regular polygon cushion block are compressed into special-shaped cushion block, in this way after device body dries insulating part syneresis, it is only necessary to press
Old process axially fastens folder from top to bottom, you can by such cushion block structure axial compression coil, ensures coil tolerance short circuit punching
The ability hit.The technical issues of solving coil cannot axially compress, be influenced by cushion block shrink has simple in structure, operation side
Just, to the reliable technique effect of the axial pressing force of coil.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is that the position of three-dimensional reel iron core transformer core insulation cushion block and coil that the utility model embodiment provides is closed
System's figure；
Fig. 2 is that the position of three-dimensional reel iron core transformer core insulation cushion block and coil that the utility model embodiment provides is closed
System's figure；
Fig. 3 is the special-shaped cushion block structure vertical view and side view in Fig. 1；
Fig. 4 is the rectangle cushion block structure side view in Fig. 1；
Fig. 5 is the regular polygon cushion block vertical view in Fig. 1.
Wherein, each reference numeral in figure：1- abnormal shape cushion blocks；2- rectangle cushion blocks；3- regular polygon cushion blocks；4- coils；5- connects
Connect hole.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, does not indicate or imply the indicated device or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple ", " several " are meant that two in the description of the present invention,
It is a or more than two, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 5, now to three-dimensional reel iron core transformer core insulation cushion block provided by the utility model into
Row explanation.The three-dimensional reel iron core transformer core insulation cushion block, including two groups of cross-over blocks, one group is placed in upper clamping piece and coil
Between 4, another group is placed between lower clamping piece and coil 4, and every group is 7 pieces, including 3 pieces of special-shaped cushion blocks, 1,3 piece of rectangle cushion block 2
It is equipped with connecting hole 5, the rectangle cushion block 2 and the regular polygon with the end of 1 piece of regular polygon cushion block 3, the abnormal shape cushion block 1
The center of cushion block 3 is equipped with connecting hole 5, and the rectangle cushion block 2 and the outer end of the special-shaped cushion block 1 are connected, described just more
Side shape cushion block 3 and the inner end of the special-shaped cushion block 1 are connected；
The abnormal shape cushion block 1 and the rectangle cushion block 2 are overlapped on adjacent two coil 4, and the regular polygon cushion block 3 is set
It is overlapped in the centre of three coils 4 and with three coils 4.
Three-dimensional reel iron core transformer core insulation cushion block provided by the utility model, it is compared with prior art, first when use
Special-shaped cushion block 1 is compressed by 1 axial compression coil of special-shaped cushion block, then by rectangle cushion block 2 and regular polygon cushion block 3, makes 3 coils 4
It can compress simultaneously, uniform force, in this way after device body dries insulating part syneresis, it is only necessary to which routinely flow axially fastens
Folder from top to bottom, you can by such cushion block structure axial compression coil 4, ensure the ability that coil 4 is resistant to short-circuit impact.It solves
The technical issues of coil 4 axially cannot be compressed, be influenced by cushion block shrink has axial direction simple in structure, easy to operate, to coil
The reliable technique effect of pressing force.
Special-shaped cushion block 1 and rectangle cushion block 2 are connected and can compress or support simultaneously two adjacent windings 4, regular polygon
Cushion block 3 can compress three coils 4 simultaneously, and connecting hole 5 is passed through for hold-down bolt and is fixedly connected with folder from top to bottom.In transformer
Using the structure of the utility model when assembly, after transformer drying and dewatering, cushion block axially remains to coil pressing 4, and coil 4 will not
It is subjected to displacement, reduces loss.The side that special-shaped cushion block 1 and rectangle cushion block 2 are contacted with coil 4 is equipped with oil groove, ensure that line
The heat dissipation of circle 4.
Further, also referring to Fig. 1 to Fig. 2, as three-dimensional reel iron core transformer iron yoke provided by the utility model
The connecting hole 5 of a kind of specific implementation mode of cross-over block, the abnormal shape cushion block 1 is corresponding with the connecting hole 5 of the rectangle cushion block 2
It connects and presses.It is interspersed with bolt in connecting hole 5, and special-shaped cushion block 1 and rectangle cushion block 2 can be tightened together, plays common
The effect of coil pressing 4.
Further, also referring to Fig. 1 to Fig. 2, as three-dimensional reel iron core transformer iron yoke provided by the utility model
A kind of specific implementation mode of cross-over block, the interior end in contact of the regular polygon cushion block 3 and the special-shaped cushion block 1 simultaneously press.
Further, also referring to Fig. 3 to Fig. 4, as three-dimensional reel iron core transformer iron yoke provided by the utility model
A kind of specific implementation mode of cross-over block, on the abnormal shape cushion block 1 and the rectangle cushion block 2 is equipped with three groove structures.
Special-shaped cushion block 1 is connected with rectangle cushion block 2, and special-shaped cushion block 1 can be put into the groove of rectangle cushion block 2, right-angled intersection cooperation
Close connection.
Further, also referring to Fig. 1 to Fig. 3, as three-dimensional reel iron core transformer iron yoke provided by the utility model
The inner end of a kind of specific implementation mode of cross-over block, the abnormal shape cushion block 1 is equipped with chamfering.
Further, also referring to Fig. 1 to Fig. 2, as three-dimensional reel iron core transformer iron yoke provided by the utility model
A kind of specific implementation mode of cross-over block, the abnormal shape cushion block 1 are arranged at a right angle with the rectangle cushion block 2.Bolt passes through different
The connecting hole 5 of type cushion block 1 and the connecting hole 5 of rectangle cushion block 2, and be fixed together, coil 4 is compressed.
Further, it please refers to Fig.1, Fig. 2 and Fig. 5, as three-dimensional reel iron core transformer iron yoke provided by the utility model
A kind of specific implementation mode of cross-over block, the regular polygon cushion block 3 be equilateral triangle structure or regular hexagon structure, preferably
Three angles for equilateral triangle structure, equilateral triangle can be contacted with coil 4, ensure that coil 4 compresses completely, in equilateral triangle knot
Rounding corner structure is equipped at the triangle of structure.
Further, also referring to Fig. 1 to Fig. 2, as three-dimensional reel iron core transformer iron yoke provided by the utility model
A kind of specific implementation mode of cross-over block, the side that the abnormal shape cushion block 1 and the rectangle cushion block 2 are contacted with coil 4 are all provided with
There is oil groove, ensure that the heat dissipation of coil 4.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. three-dimensional reel iron core transformer core insulation cushion block, it is characterised in that：Including two groups of cross-over blocks, one group is placed in upper clamping piece
Between coil, another group is placed between lower clamping piece and coil, and every group is 7 pieces, including 3 pieces of special-shaped cushion blocks, 3 pieces of rectangle cushion blocks
It is equipped with connecting hole, the rectangle cushion block and the regular polygon cushion block with the end of 1 piece of regular polygon cushion block, the abnormal shape cushion block
Center be equipped with connecting hole, the outer end of the rectangle cushion block and the special-shaped cushion block is connected, the regular polygon cushion block
It is connected with the inner end of the special-shaped cushion block；
The abnormal shape cushion block and the rectangle cushion block are overlapped on adjacent two coil, and the regular polygon cushion block is placed in three lines
The centre of circle is simultaneously overlapped with three coils.
2. three-dimensional reel iron core transformer core insulation cushion block as described in claim 1, it is characterised in that：The abnormal shape cushion block
The connecting hole of connecting hole and the rectangle cushion block is correspondingly connected with and presses.
3. three-dimensional reel iron core transformer core insulation cushion block as described in claim 1, it is characterised in that：The regular polygon pad
The interior end in contact of block and the special-shaped cushion block simultaneously presses.
4. three-dimensional reel iron core transformer core insulation cushion block as described in claim 1, it is characterised in that：On the abnormal shape cushion block
It is equipped with three groove structures with the rectangle cushion block.
5. three-dimensional reel iron core transformer core insulation cushion block as described in claim 1, it is characterised in that：The abnormal shape cushion block
Inner end is equipped with chamfering.
6. three-dimensional reel iron core transformer core insulation cushion block as described in claim 1, it is characterised in that：It is described abnormal shape cushion block with
The rectangle cushion block is arranged at a right angle.
7. three-dimensional reel iron core transformer core insulation cushion block as described in claim 1, it is characterised in that：The regular polygon pad
Block is equilateral triangle structure or regular hexagon structure.
8. three-dimensional reel iron core transformer core insulation cushion block as described in claim 1, it is characterised in that：It is described abnormal shape cushion block and
The side of the rectangle cushion block and coil contact is equipped with oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230393.9U CN207909688U (en) | 2018-02-08 | 2018-02-08 | Three-dimensional reel iron core transformer core insulation cushion block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230393.9U CN207909688U (en) | 2018-02-08 | 2018-02-08 | Three-dimensional reel iron core transformer core insulation cushion block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909688U true CN207909688U (en) | 2018-09-25 |
Family
ID=63559731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820230393.9U Active CN207909688U (en) | 2018-02-08 | 2018-02-08 | Three-dimensional reel iron core transformer core insulation cushion block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909688U (en) |
-
2018
- 2018-02-08 CN CN201820230393.9U patent/CN207909688U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yanlin Inventor after: Cao Jianfei Inventor after: Zhang Juxing Inventor after: Zhang Jutao Inventor before: Zhang Yanlin Inventor before: Cao Jianfei Inventor before: Zhang Juxing Inventor before: Zhang Jutao |