CN105742051B - A kind of structure of the high-power transformer wire winding transposition oxhorn pad of no-float - Google Patents
A kind of structure of the high-power transformer wire winding transposition oxhorn pad of no-float Download PDFInfo
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- CN105742051B CN105742051B CN201610294491.4A CN201610294491A CN105742051B CN 105742051 B CN105742051 B CN 105742051B CN 201610294491 A CN201610294491 A CN 201610294491A CN 105742051 B CN105742051 B CN 105742051B
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Abstract
The invention discloses a kind of structure of the high-power transformer wire winding transposition oxhorn pad of no-float, the oxhorn pad includes being located at the interior oxhorn pad on the inside of winding and the outer oxhorn pad on the outside of winding, interior oxhorn pad and outer oxhorn pad have inner arc and outer arc respectively, the inner arc of the outer arc of interior oxhorn pad and outer oxhorn pad is divided into head section and main paragraph, on axis of winding, interior oxhorn pad and outer oxhorn pad are provided with winding cushion block between winding conducting wire；The outer arc of the interior oxhorn pad of the present invention is divided into two sections, and the inner arc of outer oxhorn pad is divided into two sections, rather than uses single circular arc, and the shearing force produced when being significantly reduced transposition compared to traditional oxhorn pad protects the outsourcing insulation of wire, improves winding anti-short circuit capability；Interior oxhorn pad and outer oxhorn pad and the winding no-float of the present invention, in addition to necessary oil duct is left, the complete consolidation filling in transposition space is pressurized uniform, it is to avoid local compression damages insulating barrier when coil pressurizes.
Description
Technical field
The present invention relates to transformer technology field, and in particular to a kind of high-power transformer wire winding transposition of no-float
With the structure of oxhorn pad.
Background technology
When needing to be replaced in Transformer Winding winding process, during several paralleled conductor.And changed for Transformer Winding wire
The larger space of produced similar " scissors mouthful " during position, current transformer production producer is filled with oxhorn pad.Ox horn
Pad is filled compared to earliest paper washer bar, winding more consolidation.However, existing oxhorn pad uses single circular arc, such coiling
Problems with is there is in journey：(1) because oxhorn pad uses single designed arc-shaped appearance, only provide and a little support in transposition scissors mouthful,
" scissors mouthful " fails effectively filling, after coil takes up, and cuts that knife-edge part shearing force is larger at this, and insulating barrier is easily damaged.(2) ox inside and outside
The radian of angle pad can not effectively coordinate, the radial not consolidation of coil, for the excessive occasion in radial space, still need to operate live basis
Need paper fillers filler strip.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of high-power transformer wire of no-float around
The structure of group transposition oxhorn pad, oxhorn pad of the invention can protect the outsourcing insulation of wire, improve winding resistance to shorting energy
Power, transposition space can obtain the filling of complete consolidation.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：One kind is matched somebody with somebody
The structure of good high-power transformer wire winding transposition oxhorn pad is closed, the oxhorn pad includes being located at the interior ox horn on the inside of winding
Pad and the outer oxhorn pad on the outside of winding, interior oxhorn pad and outer oxhorn pad are respectively provided with inner arc and outer arc, the outer arc of interior oxhorn pad
Head section and main paragraph are divided into the inner arc of outer oxhorn pad, on axis of winding, interior oxhorn pad and outer oxhorn pad are led with winding
Winding cushion block is provided between line；
The interior arc radius R of interior oxhorn pada1=r, r are winding inside radius, and the inner arc of interior oxhorn pad is concentric with winding, works as transposition
It is spaced gear number n>When 3, the center arc length L of the inner arc of interior oxhorn pada1=(n-1) L1+ b ÷ 2, as transposition interval gear number n<3
When, the center arc length L of the inner arc of interior oxhorn pada1=(n-0.5) L1+ b ÷ 2, wherein, L1For girth in winding and total shelves of winding
The ratio of digit, b is the width of winding cushion block；The radius R of the head section of the outer arc of interior oxhorn pada2=r+A, the outer arc of interior oxhorn pad
Main paragraph radius Ra3=Ra2=r+A, wherein, A is the radial height of winding conducting wire；The head section center of circle of the outer arc of interior oxhorn pad
It is concentric with winding, it is radial apart from H between the outer arc head section of interior oxhorn pad and the inner arc of interior oxhorn pad1Outside=A, interior oxhorn pad
The arc length L of arc head sectiona2=d+ Δs, Δ=5~10mm, d is the vertical range of the scissors mouthful formed when winding conducting wire replaces, d's
Calculation formula is：
In the formula, δ is the head end thickness of interior oxhorn pad, and δ=3~6mm, C is winding conducting wire thickness, and D is liter floor transposition area
Between the distance between two cushion blocks at two endpoint locations, B is the thickness of winding cushion block；The radial height of the end of interior oxhorn pad
Spend K1=1~3mm, the main paragraph of the outer arc of interior oxhorn pad is connected on the head section of the end of interior oxhorn pad and the outer arc of interior oxhorn pad
Between；
The outer arc radius R of outer oxhorn padb1=R, R are winding outer radius, and the outer arc of outer oxhorn pad is concentric with winding, works as transposition
It is spaced gear number n>When 3, the center arc length L of the outer arc of outer oxhorn padb1=(n-1) L2+ b ÷ 2, as transposition interval gear number n<3
When, the center arc length L of the outer arc of outer oxhorn padb1=(n-0.5) L2+ b ÷ 2, wherein, b is the width of winding cushion block, L2For winding
The ratio of total gear number of outer perimeter and winding；
The radius R of the head section of the inner arc of outer oxhorn padb2=R-A, A are the radial height of winding conducting wire, the inner arc of outer oxhorn pad
Main paragraph radius Rb3=Ra3+ A × (N-1)+m, m are the size in reserved cooling oil road, and m=2~4mm, N is radial full
Number of lead wires during circle, the head section center of circle of the inner arc of outer oxhorn pad and winding are concentric, inner arc head section and the outer oxhorn pad of outer oxhorn pad
Outer arc between it is radial apart from H2=A, the arc length L of the inner arc head section of outer oxhorn padb2=La2；
The radial height K of the end of outer oxhorn pad2=1~3mm, the main paragraph of the inner arc of outer oxhorn pad and interior oxhorn pad
The main paragraph center of circle of outer arc is identical, the main paragraph of the inner arc of outer oxhorn pad be connected on outer oxhorn pad end and outer oxhorn pad it is interior
Between the head section of arc；
The head of interior oxhorn pad and outer oxhorn pad is respectively provided with groove, and the head end thickness of the groove is δ, the vertical length of groove
S=d, the thickness of the remainder of interior oxhorn pad and outer oxhorn pad in addition to the groove of head is T, and T=C.
The beneficial effects of the invention are as follows：(1) outer arc of interior oxhorn pad of the invention is divided into two sections, the inner arc point of outer oxhorn pad
For two sections, rather than single circular arc is used, the shearing force produced when being significantly reduced transposition compared to traditional oxhorn pad, protection is led
The outsourcing insulation of line, improves winding anti-short circuit capability；(2) interior oxhorn pad of the invention and outer oxhorn pad coordinate good with winding
Good, in addition to necessary oil duct is left, the complete consolidation filling in transposition space is pressurized uniform, it is to avoid local compression is damaged when coil pressurizes
Insulating barrier.
Brief description of the drawings
Fig. 1 is the radial part-structure schematic diagram of the present invention.
Fig. 2 is the part-structure schematic diagram in the axial direction after present invention expansion.
Fig. 3 for the present invention in outer oxhorn pad structural representation.
Fig. 4 is Fig. 3 top view.
Fig. 5 for the present invention in interior oxhorn pad structural representation.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As shown in Figures 1 to 5, the structure of the high-power transformer wire winding transposition oxhorn pad of a kind of no-float, should
Oxhorn pad includes being located at the interior oxhorn pad 1 on the inside of winding and the outer oxhorn pad 2 on the outside of winding, interior oxhorn pad 1 and outer ox horn
Pad 2 is respectively provided with inner arc and outer arc, and the outer arc of interior oxhorn pad 1 and the inner arc of outer oxhorn pad 2 are divided into head section and main paragraph, in winding
On axial direction, interior oxhorn pad 1 and outer oxhorn pad 2 are provided with winding cushion block 3 between winding conducting wire 4.
According to the relative dimensions of oxhorn pad 1 and outer oxhorn pad 2 in Transformer Winding determination：
In following calculation formula：R is winding inside radius, and R is winding outer radius, and A is the radial height of winding conducting wire, and n is to change
Bit interval gear number, C is winding conducting wire thickness, and B is the thickness of winding cushion block 3, and b is the width of winding cushion block 3, such as institute in Fig. 2
In the expanded view shown, D for rise the distance between two cushion blocks at interval two endpoint locations of layer transposition (i.e. the winding not by
The arc length between two cushion blocks risen at interval two endpoint locations of layer transposition during expansion)；
(1) relative dimensions of interior oxhorn pad 1：
The interior arc radius R of interior oxhorn pada1=r, the inner arc of interior oxhorn pad is concentric with winding, works as n>When 3, interior oxhorn pad it is interior
The center arc length L of arca1=(n-1) L1+ b ÷ 2, work as n<When 3, the center arc length L of the inner arc of interior oxhorn pada1=(n-0.5) L1+b
÷ 2, wherein, L1For girth in winding and the ratio of total gear number；L1Calculated by winding inside radius, gear number refer to around
Group is by the region quantity after stay center line decile；RADIAL as shown in Figure 1 is between the transposition in stay center line, Fig. 1
Baffle digit n=5；
The outer arc of interior oxhorn pad is divided into head section and main paragraph, the radius R of the head section of the outer arc of interior oxhorn pada2=r+A, interior ox
The radius R of the main paragraph of the outer arc of angle pada3=r+A, the head section center of circle of the outer arc of interior oxhorn pad and winding are concentric, interior oxhorn pad
It is radial apart from H between the inner arc of outer arc head section and interior oxhorn pad1=A, the arc length L of the outer arc head section of interior oxhorn pada2=d+ Δs,
Δ=5~10mm, expanded view as shown in Figure 2, d is the vertical range after the scissors mouthful expansion formed when winding conducting wire replaces, d
Calculation formula be：
In the formula, δ is the head end thickness of interior oxhorn pad, δ=3~6mm；In an embodiment of the present invention, the interior oxhorn pad
Head end thickness δ can use 5mm.
Setting in oxhorn pad end radial height (i.e. in oxhorn pad inner arc and interior oxhorn pad outer arc main paragraph it
Between radial distance) K1=1~3mm, in an embodiment of the present invention, the radial height K of the end of interior oxhorn pad1Desirable 2mm.
An end points M of the end of oxhorn pad within respectively1With the end points M of the head section of outer arc2For the center of circle, and drawn respectively by radius of r+A
Two circular arcs, using the intersection point of two circular arcs as the center of circle of the outer arc main paragraph of interior oxhorn pad, and draw from M by radius of r+A1
Point arrives M2The main paragraph of the outer arc of the interior oxhorn pad of point；
(2) relative dimensions of outer oxhorn pad 2：
The outer arc radius R of outer oxhorn padb1=R, the outer arc of outer oxhorn pad is concentric with winding, works as n>When 3, outside outer oxhorn pad
The center arc length L of arcb1=(n-1) L2+ b ÷ 2, work as n<When 3, the center arc length L of the outer arc of outer oxhorn padb1=(n-0.5) L2+b
÷ 2, wherein, L2For winding outer perimeter and the ratio of total gear number；L2Calculated by winding outer radius；
The inner arc of outer oxhorn pad is divided into head section and main paragraph, the radius R of the head section of the inner arc of outer oxhorn padb2=R-A, outer ox
The radius R of the main paragraph of the inner arc of angle padb3=Ra3+ A × (N-1)+m, m are the radial size in reserved cooling oil road, m=2~
4mm, in a particular embodiment, m can use 3mm, number of lead wires when N is radial full circle, the head section center of circle of the inner arc of outer oxhorn pad with
Winding is with one heart, radial apart from H between the inner arc head section of outer oxhorn pad and the outer arc of outer oxhorn pad2=A, the inner arc of outer oxhorn pad
The arc length L of head sectionb2=La2；
Radial height (the main paragraph of the outer arc of i.e. outer oxhorn pad and the inner arc of outer oxhorn pad of the end of the outer oxhorn pad of setting
Between radial distance) K2=1~3mm, in a particular embodiment, the K2Desirable 2mm, the main paragraph of the inner arc of outer oxhorn pad with
The main paragraph center of circle of the outer arc of interior oxhorn pad is identical, within oxhorn pad outer arc the main paragraph center of circle be the center of circle, with Rb3For radius
Must go out oxhorn pad inner arc main paragraph；
As shown in figure 3, groove processing is done on the head of interior oxhorn pad and outer oxhorn pad, the head end thickness of both grooves is (i.e.
The head end thickness of interior oxhorn pad and outer oxhorn pad) it is δ.In a particular embodiment, the head end thickness of the groove can use 5mm.It is interior
The vertical length S=d (vertical range of the scissors mouthful formed when i.e. winding conducting wire replaces) of the groove of oxhorn pad and outer oxhorn pad,
The thickness T of the remainder of interior oxhorn pad and outer oxhorn pad in addition to the groove of head is equal to winding conducting wire thickness C.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (1)
1. a kind of structure of the high-power transformer wire winding transposition oxhorn pad of no-float, it is characterised in that：The oxhorn pad
Including the interior oxhorn pad on the inside of winding and the outer oxhorn pad on the outside of winding, in interior oxhorn pad and outer oxhorn pad are respectively provided with
The inner arc of arc and outer arc, the outer arc of interior oxhorn pad and outer oxhorn pad is divided into head section and main paragraph, on axis of winding, interior ox horn
Pad and outer oxhorn pad are provided with winding cushion block between winding conducting wire；
The interior arc radius R of interior oxhorn pada1=r, r are winding inside radius, and the inner arc of interior oxhorn pad is concentric with winding, works as transposition interval
Gear number n>When 3, the center arc length L of the inner arc of interior oxhorn pada1=(n-1) L1+ b ÷ 2, as transposition interval gear number n<It is interior when 3
The center arc length L of the inner arc of oxhorn pada1=(n-0.5) L1+ b ÷ 2, wherein, L1For girth in winding and total gear number of winding
Ratio, b be winding cushion block width；The radius R of the head section of the outer arc of interior oxhorn pada2=r+A, the master of the outer arc of interior oxhorn pad
The radius R of body sectiona3=Ra2=r+A, wherein, A is the radial height of winding conducting wire；The head section center of circle of the outer arc of interior oxhorn pad with around
Group is concentric, radial apart from H between the outer arc head section of interior oxhorn pad and the inner arc of interior oxhorn pad1=A, the outer arc head of interior oxhorn pad
The arc length L of sectiona2=d+ Δs, Δ=5~10mm, d is the vertical range of the scissors mouthful formed when winding conducting wire replaces, d calculating
Formula is：
In the formula, δ is the head end thickness of interior oxhorn pad, and δ=3~6mm, C is winding conducting wire thickness, and D is liter layer transposition interval two
The distance between two cushion blocks at individual endpoint location, B is the thickness of winding cushion block；The radial height K of the end of interior oxhorn pad1
=1~3mm, the main paragraph of the outer arc of interior oxhorn pad be connected on the end of interior oxhorn pad and the outer arc of interior oxhorn pad head section it
Between；
The outer arc radius R of outer oxhorn padb1=R, R are winding outer radius, and the outer arc of outer oxhorn pad is concentric with winding, works as transposition interval
Gear number n>When 3, the center arc length L of the outer arc of outer oxhorn padb1=(n-1) L2+ b ÷ 2, as transposition interval gear number n<When 3, outside
The center arc length L of the outer arc of oxhorn padb1=(n-0.5) L2+ b ÷ 2, wherein, b is the width of winding cushion block, L2For winding periphery
The ratio of long total gear number with winding；
The radius R of the head section of the inner arc of outer oxhorn padb2=R-A, A are the radial height of winding conducting wire, the master of the inner arc of outer oxhorn pad
The radius R of body sectionb3=Ra3+ A × (N-1)+m, m are the size in reserved cooling oil road, m=2~4mm, when N is radial full circle
Number of lead wires, the head section center of circle of the inner arc of outer oxhorn pad and winding be concentric, and the inner arc head section of outer oxhorn pad is outer with outer oxhorn pad
It is radial apart from H between arc2=A, the arc length L of the inner arc head section of outer oxhorn padb2=La2；
The radial height K of the end of outer oxhorn pad2=1~3mm, the outer arc of the main paragraph of the inner arc of outer oxhorn pad and interior oxhorn pad
The main paragraph center of circle it is identical, the main paragraph of the inner arc of outer oxhorn pad is connected on the end of outer oxhorn pad and the inner arc of outer oxhorn pad
Between head section；
The head of interior oxhorn pad and outer oxhorn pad is respectively provided with groove, and the head end thickness of the interior oxhorn pad and outer oxhorn pad is δ, slope
Mouthful vertical length S=d, the thickness of the remainder of interior oxhorn pad and outer oxhorn pad in addition to the groove of head is T, and T=C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294491.4A CN105742051B (en) | 2016-05-06 | 2016-05-06 | A kind of structure of the high-power transformer wire winding transposition oxhorn pad of no-float |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294491.4A CN105742051B (en) | 2016-05-06 | 2016-05-06 | A kind of structure of the high-power transformer wire winding transposition oxhorn pad of no-float |
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| CN105742051B true CN105742051B (en) | 2017-08-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346321A (en) * | 2018-11-29 | 2019-02-15 | 山东达驰电气有限公司 | A kind of production method of transformer coil insulated cushion block |
| CN109872872B (en) * | 2019-04-04 | 2021-11-19 | 特变电工超高压电气有限公司 | Wedge-shaped pad design method, wedge-shaped pad manufacturing method, bottom wedge-shaped pad and meter position wedge-shaped pad |
| CN111816415B (en) * | 2020-06-19 | 2023-04-07 | 山东输变电设备有限公司 | Energy dissipation protection transformer for flexible direct current transmission |
| CN113380539B (en) * | 2021-04-23 | 2023-09-08 | 武汉工程大学 | Winding machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005051809B3 (en) * | 2005-10-27 | 2007-03-22 | Martin Kling | Acoustic transformer e.g. horn, for music and speech presentations, has wall separating transformer into two parts, and displacement body supported with surface of cap, where transformer is in form of wave guide |
| CN101783241A (en) * | 2009-09-21 | 2010-07-21 | 湖南广信电工科技股份有限公司 | Process for producing transposed oxhorn cushion block of insulated coil of transformer |
| CN202093978U (en) * | 2010-12-16 | 2011-12-28 | 保定天威集团有限公司 | Ox-horn-shaped cushion block of coil |
| CN203706779U (en) * | 2013-12-30 | 2014-07-09 | 无锡市电力变压器有限公司 | Transformer soft horn ring |
| CN205582729U (en) * | 2016-05-06 | 2016-09-14 | 吴江变压器有限公司 | Large -scale transformer wire winding of no -float replaces with ox corner pad's structure |
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