CN106158355A - A kind of winding method of inner shield coil - Google Patents
A kind of winding method of inner shield coil Download PDFInfo
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- CN106158355A CN106158355A CN201610815744.8A CN201610815744A CN106158355A CN 106158355 A CN106158355 A CN 106158355A CN 201610815744 A CN201610815744 A CN 201610815744A CN 106158355 A CN106158355 A CN 106158355A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/288—Shielding
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- Insulating Of Coils (AREA)
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Abstract
The invention discloses the winding method of a kind of inner shield coil, blanking step including shielding line, remove the step of the insulation of shielding line termination, the insulating wrapping step of shielding line termination, insulating board cylinder and the installation steps of coil stay, the coiling step of positive section wire turn, the coiling step of anti-section wire turn, bridging transposition making step.The winding method of the present invention, use the method that anti-section, positive section replace coiling, shielding line span coiling, first calculates the length of reserved shielding line, reserves shielding line by the length calculated, after completing anti-section coiling, reserved shielding line is transitioned into positive section by inside transposition, in the anti-section winding process with positive section, shielding line joint need not be welded, ensure that the quality of transformer coil, also reduce manufacturing cost.
Description
Technical field
The present invention relates to the winding method of a kind of inner shield coil.
Background technology
The inner shield of transformator is to increase winding or Copper Foil between primary and secondary side, draws an end and receives the work on former limit
Above ground, main purpose is that by screen layer, the common mode interference signal on former limit is back to harassing and wrecking source, shields without this
Layer, some common mode interference signal will be delivered to secondary by the layer capacitance between former vice-side winding, thus cause defeated
Go out the EMI problem of end.Inner shield coil is the turn-to-turn outside continuous way line segment, inserts and only increases longitudinal electric capacity and the work that do not circulates
The wire (screen line) making electric current forms.
Traditional method for winding is that the interim line segment of coiling works as shielding line coiling by standby for inner shield line between coil turn-to-turn or line
After meeting the number of turn that drawing specifies, shielding line is cut off and handled well suspension head, rotate lathe, after the number of turn that coiling specifies, profit
Anti-section is completed, during the positive section of coiling, when active line is around to shielding line suspension head location, and suspend head by shielding line with turning over folded method
Hinder online with active line colligation, after the number of turn that coiling specifies, shielding line is cut off and carries out with above shielding line welding (across two sections
It is not always the case with across four sections).Owing to the insulation of shielding line is thicker, its weld shielding line is cut off, pulls down insulation, is welded and weld
After process: as filing, sanding, benefit bag insulation, waste the plenty of time of operator, simultaneously because file head, metal powder can be made
Dirt falls into coil, free electric discharge when causing transformator to run；Additionally wire welding point is too much, has a strong impact on transformer wire solid
Quality, often the work power supply once wasted, the energy of solder flux used during welding, insulating paper, Machine for arc welding of copper parts is also the most considerable.
Summary of the invention
It is an object of the invention to overcome the defect of prior art to provide the winding method of a kind of inner shield coil, it around
Making simple, convenient to operate, end supporting surface is bigger, the stability to short circuit axial force, and has reasonable
Heat dispersion.
A kind of technical scheme realizing above-mentioned purpose is: the winding method of a kind of inner shield coil, on vertical coil winding machine
Carry out according to continuous winding winding method, comprise the following steps:
The blanking step of shielding line, the most accurately calculates the length of each shielding line, by computational length blanking, and performs shielding line
Mark, should indicate shielding line start position；
Remove the step of the insulation of shielding line termination, first divest insulation labelling at shielding line end, then with exploitation cutter stripping
Except the insulation being tagged to termination；
The insulating wrapping step of shielding line termination, first polishing shielding line termination, the line end after polishing is in the width with wire
For diameter simultaneously circular arc with the thickness of wire as diameter the most again, then make a length of ten times of insulation thicknesses with cutting knife shelling insulation position
Tiltedly the most slightly, and excise and insulate from mark 2mm, then wrap up the insulation of shielding line termination, finally will make termination insulation
The annulus that shielding line is coiled into a diameter of 500～600mm is stand-by；
Insulating board cylinder and the installation steps of coil stay, coated insulation fiber core on the winding former of vertical coil winding machine,
And some coil stays are set along insulating board tube outer surface is uniform；
The coiling step of positive section wire turn, first by the active line of unshielded line around needing to insert the section start of screening turn,
One end of the shielding line of numbered corresponding line segment is placed on the inner side of active line, then rotates vertical coil winding machine, active line with
Shielding line is together around to the number of turn of regulation, then tightens up positive section wire turn, is then centered around manual for anti-for remaining shielding line section temporarily
In the adjacent segments of bottom；
The coiling step of anti-section wire turn, the coiling of active line is identical with the winding method of general anti-section wire turn, arrives at dish
During segment positions, first need at last several circles on the wire turn of shielding, put into interim filler strip, interim filler strip and shielding line uniform thickness, etc.
Width, the most tentatively tightens up line segment, and the anti-section of shielding line of corresponding numbering replaces piecemeal and is transitioned into here, by remaining screen from transposition
Cover line to pass, be wound on winding former temporarily, then from the beginning of transposition, limit is extracted interim filler strip frontier fortress out and entered shielding line, until shielding
End is filled in, and then performs the transposition wrapping to anti-section of the positive section, and point rotates vertical coil winding machine, to tighten up whole line segment, finally
Make to replace from anti-section to the bottom of positive section；
Bridging transposition making step, the line between positive and negative section of shielding line is made as replacing with disk-type winding, but bendable
Straight, the allowance tightened up as anti-section；To replace transition piecemeal by shown position, by three gears across the screen lines of four sections
" S " bends into into anti-section；At the paper groove thick for the 0.2mm of button below that " S " is curved, notch is upwards；Whole line wants outsourcing Denison wrinkle
Paper half lap one layer.
The winding method of above-mentioned inner shield coil, wherein, when carrying out the insulating wrapping step of shielding line termination, voltage etc.
Level in two kinds of situation:
1) shielding line of 110KV product, wraps up with individual half lap of high-density paper, and bag from insulation the most slightly place, bag is to termination
Outer 50mm, fills with the cardboard of uniform thickness wide with copper shield line and a length of 50mm；Wrap up to the outer limit size of shielding line,
Tiltedly slightly joining place half lap two-layer again adds bag；
2) shielding line of 220KV product, with semiconducting paper bag from the 40mm of shielding line termination, wraps to direction, termination
Prick, half lap two-layer, wrap to 70mm outside termination, fill with the cardboard of the uniform thickness wide with same shielding line of 120mm length, then, use
Individual half lap of high-density paper is wrapped up, bag from insulation the most slightly place, wraps to 120mm outside termination, and wrapping thickness is not less than former insulation
Thickness, at the most slightly joining place, additionally half lap two-layer adds bag.
The winding method of above-mentioned inner shield coil, wherein, described interim filler strip and shielding line uniform thickness, wide, pad temporarily
The length of bar is the length of the shielding circle being incorporated to line segment.
The another kind of technical scheme realizing above-mentioned purpose is: the winding method of a kind of inner shield coil, at horizontal coil winding machine
On carry out according to continuous winding winding method, it is characterised in that it is characterized in that, described winding method comprises the following steps:
The blanking step of shielding line, the most accurately calculates the length of each shielding line, by computational length blanking, and performs shielding line
Mark, should indicate shielding line start position；
Remove the step of the insulation of shielding line termination, first divest insulation labelling at shielding line end, then with exploitation cutter stripping
Except the insulation being tagged to termination；
The insulating wrapping step of shielding line termination, first polishing shielding line termination, the line end after polishing is in the width with wire
For diameter simultaneously circular arc with the thickness of wire as diameter the most again, then make a length of ten times of insulation thicknesses with cutting knife shelling insulation position
Tiltedly the most slightly, and excise and insulate from mark 2mm, then wrap up the insulation of shielding line termination, finally will make termination insulation
The annulus that shielding line is coiled into a diameter of 500-600mm is stand-by；
Insulating board cylinder and the installation steps of coil stay, coated insulation fiber core on the winding former of horizontal coil winding machine,
And some coil stays are set along insulating board tube outer surface is uniform；
The coiling step of anti-section wire turn, is first wound on the winding former of horizontal coil winding machine in advance by shielding line, by work wire turn pressure
On shielding line, rotating horizontal coil winding machine, active line and shielding line together around to the number of turn of regulation, instead line cake, note work
Line upper, shielding line under together fall, complete to active line, perform top transposition, tighten up line segment；Perform bottom gear；To take
Under positive section shielding line, first interim floating is entangled on anti-section or other line segment；
The coiling step of positive section wire turn, the first the most first positive section of coiling second segment, further around system, remaining has the positive section of shielding circle；
When the most first positive section of coiling second segment, tighten up line segment at active line around to stopping when needing shielding circle, will screen
Covering line to be incorporated to, with active line together around to the number of turn of regulation, after tightening up line segment, active line performs gear, shielding line temporarily floating around
In positive section；
When in coiling, remaining has the positive section shielding circle, shielding line all uses inserted mode；In positive section coiling, active line around to
Stop when need to have shielding, tighten up line segment, interim filler strip is incorporated to, with active line together around to the number of turn of regulation, tentatively tighten up；?
The shielding line of corresponding numbering is gradually transitions here from anti-section, passes from active line, the floating winding former being around in horizontal coil winding machine
On；From active line transposition section start, interim filler strip is extracted on limit out, and frontier fortress enters shielding line, all fills in shielding line, and point rotates horizontal
Coil winding machine tightens up whole line segment, performs the transposition wrapping of positive section and the active line of anti-section.
Bridging transposition making step, the line between positive and negative section of shielding line is made as replacing with disk-type winding, but bendable
Straight, the allowance tightened up as anti-section；To replace transition piecemeal by shown position, by three gears across the screen lines of four sections
" S " bends into into positive section；At the paper groove thick for the 0.2mm of button below that " S " is curved, notch is upwards；Whole line wants outsourcing Denison wrinkle
Paper half lap one layer.
The winding method of above-mentioned inner shield coil, wherein, when carrying out the insulating wrapping step of shielding line termination, voltage etc.
Level in two kinds of situation:
1) shielding line of 110KV product, wraps up with individual half lap of high-density paper, and bag from insulation the most slightly place, bag is to termination
Outer 50mm, fills with the cardboard of uniform thickness wide with copper shield line and a length of 50mm；Wrap up to the outer limit size of shielding line,
Tiltedly slightly joining place half lap two-layer again adds bag；
2) shielding line of 220KV product, with semiconducting paper bag from the 40mm of shielding line termination, wraps to direction, termination
Prick, half lap two-layer, wrap to 70mm outside termination, fill with the cardboard of the uniform thickness wide with same shielding line of 120mm length, then, use
Individual half lap of high-density paper is wrapped up, bag from insulation the most slightly place, wraps to 120mm outside termination, and wrapping thickness is not less than former insulation
Thickness, at the most slightly joining place, additionally half lap two-layer adds bag.
The winding method of above-mentioned inner shield coil, wherein, described interim filler strip and shielding line uniform thickness, wide, pad temporarily
The length of bar is the length of the shielding circle being incorporated to line segment.
The winding method of the inner shield coil of the present invention, uses the method that anti-section, positive section replace coiling, shielding line span around
System, first calculates the length of reserved shielding line, reserves shielding line, after completing anti-section coiling, by reserved screen by the length calculated
Cover line and be transitioned into positive section by inside transposition, in the anti-section winding process with positive section, shielding line joint need not be welded, it is ensured that
The quality of transformer coil, also reduces manufacturing cost.
Accompanying drawing explanation
Fig. 1 a is that the winding method of the inner shield coil of the present invention is beaten when carrying out the insulating wrapping step of shielding line termination
The structural representation (in figure, b is the width of shielding line, and δ is the thickness of shielding line) of milled shielding line termination；
Fig. 1 b is the top view of Fig. 1 a；
Fig. 2 a is that the winding method of inner shield coil of the present invention completes after carrying out the insulating wrapping step of shielding line termination
The structural representation of the 110KV level product coil shielding line termination of insulating wrapping；
Fig. 2 b is that the winding method of inner shield coil of the present invention completes after carrying out the insulating wrapping step of shielding line termination
The structural representation of the 220KV level product coil shielding line termination of insulating wrapping.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
The winding method of a kind of inner shield coil of the present invention, according to continuous winding winding method on vertical coil winding machine
Carry out, comprise the following steps:
The blanking step of shielding line, the most accurately calculates the length of each shielding line, by computational length blanking, and performs shielding line
Mark, marks with red pen, for convenience of coiling, should indicate shielding line start position；
Remove the step of the insulation of shielding line termination, first divest insulation labelling at shielding line end, then with exploitation cutter stripping
Except the insulation being tagged to termination；
The insulating wrapping step of shielding line termination, first polishing shielding line termination, the line end after polishing is in the width with wire
For diameter simultaneously circular arc (see Fig. 1 a and Fig. 1 b) with the thickness of wire as diameter the most again, then make length with cutting knife shelling insulation position
It is that the oblique of ten times of insulation thicknesses slightly (is slightly about 30mm), and excises from former mark 2mm insulation (part may be polluted by copper powder),
Then by the insulation of two kinds of electric pressure wrapping shielding line terminations:
1) shielding line of 110KV product, wraps up with individual half lap of high-density paper, and bag from insulation the most slightly place, bag is to termination
Outer 50mm, for ensureing the consolidation of wireless portion wrapping outside termination, available and the wide uniform thickness of copper shield line and the paper of a length of 50mm
Plate is filled；Wrap up to the outer limit size of shielding line, add bag (see Fig. 2 a) in tiltedly slightly joining place half lap two-layer again；
2) shielding line of 220KV product, with semiconducting paper bag from the 40mm of shielding line termination, wraps to direction, termination
Bundle, half lap two-layer, wrap to 70mm outside termination, for ensureing to wrap up neat, consolidation, can use the wide with same shielding line of 120mm length
The cardboard of uniform thickness is filled, and then, wraps up with individual half lap of high-density paper, and bag from insulation the most slightly place wraps to 120mm outside termination,
Wrapping thickness is not less than the thickness (usually 28 layers) of former insulation, and at the most slightly joining place, additionally half lap two-layer adds bag (see Fig. 2 b)；
Finally by make termination insulation shielding line be coiled into a diameter of 500～600mm annulus stand-by；
Insulating board cylinder and the installation steps of coil stay, coated insulation fiber core on the winding former of vertical coil winding machine,
And some coil stays are set along insulating board tube outer surface is uniform；
The coiling step of positive section wire turn, first by the active line of unshielded line around needing to insert the section start of screening turn
(when shielding line is a circle, active line also have a circle not around, shielding line be two, three, four circles time, then active line also have two respectively,
Three, four circles not around), one end of the shielding line of numbered corresponding line segment is placed on the inner side (below) of active line, opens around front elder generation
The work wire turn wound is tightened up, to ensure that shielding line puts into the correct of coil position；Then vertical coil winding machine is rotated,
Active line and shielding line together around to the number of turn of regulation, during shielding line coiling, need to have a hand-held shielding line of operator, along with around
Process processed gradually sends into shielding line；Tighten up positive section wire turn again, be then centered around bottom by manual for anti-for remaining shielding line section temporarily
In adjacent segments；
The coiling step of anti-section wire turn, the coiling of active line is identical with the winding method of general anti-section wire turn, arrives at dish
During segment positions, first need on the wire turn of shielding at last several circles, put into interim filler strip (interim filler strip and shielding line uniform thickness, etc.
Width, the length of interim filler strip is the length of the shielding circle being incorporated to line segment), the most tentatively tighten up line segment, the shielding line of corresponding numbering
Anti-section replaces piecemeal and is transitioned into here, is passed by remaining shielding line, be wound on winding former temporarily from transposition, then from transposition
Starting, limit is extracted interim filler strip frontier fortress out and is entered shielding line, until shielding line termination is filled in, then performs the positive section transposition bag to anti-section
Pricking, point rotates vertical coil winding machine, to tighten up whole line segment, finally makees to replace from anti-section to the bottom of positive section；
Bridging transposition making step, the line between positive and negative section of shielding line is made as replacing with disk-type winding, but bendable
Straight, the allowance tightened up as anti-section；To replace transition piecemeal by shown position, by three gears across the screen lines of four sections
" S " bends into into anti-section；At the paper groove thick for the 0.2mm of button below that " S " is curved, notch is upwards；Whole line wants outsourcing Denison wrinkle
Paper half lap one layer.
The winding method of the another kind of inner shield coil of the present invention, according to continuous winding coiling side on horizontal coil winding machine
Formula is carried out, and comprises the following steps:
The blanking step of shielding line, the most accurately calculates the length of each shielding line, by computational length blanking, and performs shielding line
Mark, marks with red pen, for convenience of coiling, should indicate shielding line start position；
Remove the step of the insulation of shielding line termination, first divest insulation labelling at shielding line end, then with exploitation cutter stripping
Except the insulation being tagged to termination；
The insulating wrapping step of shielding line termination, first polishing shielding line termination, the line end after polishing is in the width with wire
For diameter simultaneously circular arc (see Fig. 1 a and Fig. 1 b) with the thickness of wire as diameter the most again, then make length with cutting knife shelling insulation position
It is that the oblique of ten times of insulation thicknesses slightly (is slightly about 30mm), and excises from former mark 2mm insulation (part may be polluted by copper powder),
Then by the insulation of two kinds of electric pressure wrapping shielding line terminations:
1) shielding line of 110KV product, wraps up with individual half lap of high-density paper, and bag from insulation the most slightly place, bag is to termination
Outer 50mm, for ensureing the consolidation of wireless portion wrapping outside termination, available and the wide uniform thickness of shielding line and the cardboard of a length of 50mm
Fill；Wrap up to the outer limit size of shielding line, add bag (see Fig. 2 a) in tiltedly slightly joining place half lap two-layer again；
2) shielding line of 220KV product, with semiconducting paper bag from the 40mm of shielding line termination, wraps to direction, termination
Bundle, half lap two-layer, wrap to 70mm outside termination, for ensureing to wrap up neat, consolidation, can use the wide with same shielding line of 120mm length
The cardboard of uniform thickness is filled, and then, wraps up with individual half lap of high-density paper, and bag from insulation the most slightly place wraps to 120mm outside termination,
Wrapping thickness is not less than the thickness (usually 28 layers) of former insulation, and at the most slightly joining place, additionally half lap two-layer adds bag (see Fig. 2 b)；
Finally by make termination insulation shielding line be coiled into a diameter of 500～600mm annulus stand-by；
Insulating board cylinder and the installation steps of coil stay, coated insulation fiber core on the winding former of horizontal coil winding machine,
And some coil stays are set along insulating board tube outer surface is uniform；
The coiling step of anti-section wire turn, is first wound on the winding former of horizontal coil winding machine in advance by shielding line, by work wire turn pressure
On shielding line, (first section of shielding line notes reserving and lifts one's head line length, is shielding line starting point mark at gear " S " the kinking bundle of active line
At will), rotate horizontal coil winding machine, active line and shielding line together around to the number of turn of regulation, instead line cake, notice that active line exists
Upper, shielding line under together fall, complete to active line, perform top transposition, tighten up line segment；Perform bottom gear；By take down
Positive section shielding line, the most interim floating is entangled on anti-section or other line segment；
The coiling step of positive section wire turn, the first the most first positive section of coiling second segment, further around system, remaining has the positive section of shielding circle；
When the most first positive section of coiling second segment, at active line around to when needing shielding circle, stop and tighten up line segment, will screen
Covering line to be incorporated to, with active line together around to the number of turn of regulation, after tightening up line segment, active line performs gear, shielding line temporarily floating around
In positive section；
When in coiling, remaining has the positive section shielding circle, shielding line all uses inserted mode；In positive section coiling, active line around to
Stopping when need to have a shielding, tighten up line segment, by interim filler strip, (interim filler strip and shielding line uniform thickness, wide, the length of interim filler strip is
It is incorporated to the length of the shielding circle of line segment) it is incorporated to, with active line together around to the number of turn of regulation, tentatively tighten up；Corresponding numbering
Shielding line is gradually transitions here from anti-section, passes from active line, floats and is around on the winding former of horizontal coil winding machine；From active line
Transposition section start, the interim filler strip of limit extraction, frontier fortress enters shielding line, until shielding line is all filled in, point rotates horizontal coil winding machine and receives
Tight whole line segment, performs the transposition wrapping of positive section and the active line of anti-section.
Bridging transposition making step, the line between positive and negative section of shielding line is made as replacing with disk-type winding, but bendable
Straight, the allowance tightened up as anti-section；To replace transition piecemeal by shown position, by three gears across the screen lines of four sections
" S " bends into into positive section；At the paper groove thick for the 0.2mm of button below that " S " is curved, notch is upwards；Whole line wants outsourcing Denison wrinkle
Paper half lap one layer.
Above-mentioned shielding line one end refers to starting of shielding line conductor, without insulating wrapping part.
On horizontal coil winding machine during coiling, if coil from end around time, the coiling of shielding line and insert with vertical around
Operational approach on line machine is identical.
The winding method of the inner shield coil of the present invention, uses the method that anti-section, positive section replace coiling, shielding line span around
System, first calculates the length of reserved shielding line, reserves shielding line, after completing anti-section coiling, by reserved screen by the length calculated
Cover line and be transitioned into positive section by inside transposition, in the anti-section winding process with positive section, shielding line joint need not be welded, it is ensured that
The quality of transformer coil, also reduces manufacturing cost.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or modification, the most all equivalents
Technical scheme also should belong to scope of the invention, should be limited by each claim.
Claims (6)
1. a winding method for inner shield coil, is carried out according to continuous winding winding method on vertical coil winding machine, and it is special
Levying and be, described winding method comprises the following steps:
The blanking step of shielding line, the most accurately calculates the length of each shielding line, by computational length blanking, and performs shielding line mark
Will, should indicate shielding line start position；
Remove the step of the insulation of shielding line termination, first divest insulation labelling at shielding line end, then divest mark with exploitation cutter
Note is to the insulation of termination；
The insulating wrapping step of shielding line termination, first polishing shielding line termination, the line end after polishing is straight in the width with wire
Footpath simultaneously circular arc with the thickness of wire as diameter the most again, then make the oblique of a length of ten times of insulation thicknesses with cutting knife shelling insulation position
Slightly, and excise from the insulation of mark 2mm, then wrap up the insulation of shielding line termination, finally will make the shielding of termination insulation
The annulus that line is coiled into a diameter of 500～600mm is stand-by；
Insulating board cylinder and the installation steps of coil stay, coated insulation fiber core on the winding former of vertical coil winding machine, and edge
Insulating board tube outer surface is uniform arranges some coil stays；
The coiling step of positive section wire turn, first by the active line of unshielded line around needing to insert the section start of screening turn, by
One end of the shielding line of the corresponding line segment of numbering is placed on the inner side of active line, then rotates vertical coil winding machine, active line and shielding
Line is together around to the number of turn of regulation, then tightens up positive section wire turn, is then centered around bottom by manual for anti-for remaining shielding line section temporarily
In adjacent segments；
The coiling step of anti-section wire turn, the coiling of active line is identical, at dish to line segment with the winding method of general anti-section wire turn
During position, first need at last several circles on the wire turn of shielding, put into interim filler strip, interim filler strip and shielding line uniform thickness, wide, connect
And tentatively tighten up line segment, the anti-section of shielding line of corresponding numbering replaces piecemeal and is transitioned into here, by remaining shielding line from transposition
Pass, be wound on winding former temporarily, then from the beginning of transposition, limit is extracted interim filler strip frontier fortress out and entered shielding line, until shielding line end
Head fill in, then perform positive section to anti-section transposition wrapping, some rotation vertical coil winding machine, to tighten up whole line segment, finally make from
Anti-section replaces to the bottom of positive section；
Bridging transposition making step, the line between positive and negative section of shielding line is made as replacing with disk-type winding, but bendable straight
A bit, the allowance tightened up as anti-section；To replace transition piecemeal by shown position, by three gears " S " across the screen lines of four sections
Bend into into anti-section；At the paper groove thick for the 0.2mm of button below that " S " is curved, notch is upwards；Whole line wants outsourcing Denison crimped paper half
Folded one layer.
The winding method of inner shield coil the most according to claim 1, it is characterised in that carry out the insulation of shielding line termination
During wrapping step, electric pressure in two kinds of situation:
1) shielding line of 110KV product, wraps up with individual half lap of high-density paper, bag from insulation the most slightly place, wraps outside termination
50mm, fills with the cardboard of uniform thickness wide with copper shield line and a length of 50mm；Wrap up to the outer limit size of shielding line, tiltedly
Slightly joining place half lap two-layer again adds bag；
2) shielding line of 220KV product, with semiconducting paper bag from the 40mm of shielding line termination, wraps up to direction, termination, half
Folded two-layer, wraps to 70mm outside termination, fills with the cardboard of the uniform thickness wide with same shielding line of 120mm length, then, use high density
Individual half lap of paper is wrapped up, bag from insulation the most slightly place, wraps to 120mm outside termination, wraps up the thickness thickness not less than former insulation,
The most slightly joining place, additionally half lap two-layer adds bag.
The winding method of inner shield coil the most according to claim 1, it is characterised in that described interim filler strip and shielding line
Uniform thickness, wide, the length of interim filler strip is the length of the shielding circle being incorporated to line segment.
4. a winding method for inner shield coil, is carried out according to continuous winding winding method on horizontal coil winding machine, and it is special
Levy and be, it is characterised in that described winding method comprises the following steps:
The blanking step of shielding line, the most accurately calculates the length of each shielding line, by computational length blanking, and performs shielding line mark
Will, should indicate shielding line start position；
Remove the step of the insulation of shielding line termination, first divest insulation labelling at shielding line end, then divest mark with exploitation cutter
Note is to the insulation of termination；
The insulating wrapping step of shielding line termination, first polishing shielding line termination, the line end after polishing is straight in the width with wire
Footpath simultaneously circular arc with the thickness of wire as diameter the most again, then make the oblique of a length of ten times of insulation thicknesses with cutting knife shelling insulation position
Slightly, and excise from the insulation of mark 2mm, then wrap up the insulation of shielding line termination, finally will make the shielding of termination insulation
The annulus that line is coiled into a diameter of 500-600mm is stand-by；
Insulating board cylinder and the installation steps of coil stay, coated insulation fiber core on the winding former of horizontal coil winding machine, and edge
Insulating board tube outer surface is uniform arranges some coil stays；
The coiling step of anti-section wire turn, is first wound on the winding former of horizontal coil winding machine in advance by shielding line, and work wire turn is pressed in screen
Covering on line, rotate horizontal coil winding machine, active line and shielding line together around to the number of turn of regulation, instead line cake, notice that active line exists
Upper, shielding line under together fall, complete to active line, perform top transposition, tighten up line segment；Perform bottom gear；By take down
Positive section shielding line, the most interim floating is entangled on anti-section or other line segment；
The coiling step of positive section wire turn, the first the most first positive section of coiling second segment, further around system, remaining has the positive section of shielding circle；
When the most first positive section of coiling second segment, tighten up line segment, by shielding line at active line around to stopping when needing shielding circle
Being incorporated to, with active line together around to the number of turn of regulation, after tightening up line segment, active line performs gear, and shielding line is temporarily floating to be just around in
Duan Shang；
When in coiling, remaining has the positive section shielding circle, shielding line all uses inserted mode；In positive section coiling, active line is around to having
Stop during shielding, tighten up line segment, interim filler strip is incorporated to, with active line together around to the number of turn of regulation, tentatively tighten up；Corresponding
The shielding line of numbering is gradually transitions here from anti-section, passes from active line, floats and is around on the winding former of horizontal coil winding machine；From
Active line transposition section start, the interim filler strip of limit extraction, frontier fortress enters shielding line, all fills in shielding line, and point rotates horizontal coiling
Machine tightens up whole line segment, performs the transposition wrapping of positive section and the active line of anti-section.
Bridging transposition making step, the line between positive and negative section of shielding line is made as replacing with disk-type winding, but bendable straight
A bit, the allowance tightened up as anti-section；To replace transition piecemeal by shown position, by three gears " S " across the screen lines of four sections
Bend into into positive section；At the paper groove thick for the 0.2mm of button below that " S " is curved, notch is upwards；Whole line wants outsourcing Denison crimped paper half
Folded one layer.
The winding method of inner shield coil the most according to claim 4, it is characterised in that carry out the insulation of shielding line termination
During wrapping step, electric pressure in two kinds of situation:
1) shielding line of 110KV product, wraps up with individual half lap of high-density paper, bag from insulation the most slightly place, wraps outside termination
50mm, fills with the cardboard of uniform thickness wide with copper shield line and a length of 50mm；Wrap up to the outer limit size of shielding line, tiltedly
Slightly joining place half lap two-layer again adds bag；
2) shielding line of 220KV product, with semiconducting paper bag from the 40mm of shielding line termination, wraps up to direction, termination, half
Folded two-layer, wraps to 70mm outside termination, fills with the cardboard of the uniform thickness wide with same shielding line of 120mm length, then, use high density
Individual half lap of paper is wrapped up, bag from insulation the most slightly place, wraps to 120mm outside termination, wraps up the thickness thickness not less than former insulation,
The most slightly joining place, additionally half lap two-layer adds bag.
The winding method of inner shield coil the most according to claim 4, it is characterised in that described interim filler strip and shielding line
Uniform thickness, wide, the length of interim filler strip is the length of the shielding circle being incorporated to line segment.
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| CN108073759A (en) * | 2017-11-09 | 2018-05-25 | 保定天威集团特变电气有限公司 | The coil turn computational methods and system of a kind of transformer |
| CN111128543A (en) * | 2019-12-24 | 2020-05-08 | 保定天威保变电气股份有限公司 | Winding method of continuous winding of span-type inserted shielding wire of flexible-direct transformer |
| CN112217074A (en) * | 2020-10-13 | 2021-01-12 | 天威保变（秦皇岛）变压器有限公司 | Device and method for quickly wrapping shielding wire insulation |
| CN114203438A (en) * | 2021-12-08 | 2022-03-18 | 中铁电气工业有限公司 | Manufacturing method of shielding type coil |
| CN114823123A (en) * | 2022-04-08 | 2022-07-29 | 山东电力设备有限公司 | Winding method of half-turn continuous coil with shielding wire |
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| CN114823123B (en) * | 2022-04-08 | 2023-11-24 | 山东电力设备有限公司 | Winding method of half-turn continuous coil with shielding wire |
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