CN106158355B - 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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- CN106158355B CN106158355B CN201610815744.8A CN201610815744A CN106158355B CN 106158355 B CN106158355 B CN 106158355B CN 201610815744 A CN201610815744 A CN 201610815744A CN 106158355 B CN106158355 B CN 106158355B
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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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Abstract
The invention discloses a kind of winding method of inner shield coil, blanking step including shielding line, the step of removing the insulation of shielding end, shield the insulating wrapping step of end, the installation steps of insulating board cylinder and 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, using anti-section, the method for positive section alternating coiling, shielding line span coiling, the length of reserved shielding line is calculated first, shielding line is reserved by the length of calculating, after anti-section coiling is completed, reserved shielding line is transitioned into positive section by inside transposition, in the winding process of anti-section and positive section, wire terminal is shielded without welding, the quality of transformer coil is ensure that, also reduces manufacturing cost.
Description
Technical field
The present invention relates to a kind of winding method of inner shield coil.
Background technology
The inner shield of transformer is to increase winding or copper foil between primary and secondary side, draws the work that an end is connected to primary side
Above ground, main purpose is that the common mode interference signal of primary side is back into harassing and wrecking source by screen layer, if without this shielding
Layer, some common mode interference signal will be delivered to secondary by the layer capacitance between former vice-side winding, defeated so as to cause
Go out the EMI problems at end.Inner shield coil is the turn-to-turn on the outside of continous way line segment, and insertion only increases longitudinal electric capacity without the work that circulates
The wire (screen line) for making electric current forms.
Traditional method for winding is that inner shield line is standby between coil turn-to-turn or line, and the interim line segment of coiling works as shielding line coiling
After meeting the number of turn as defined in drawing, shielding line is cut and handles suspension head well, rotate lathe, after the number of turn as defined in coiling, profit
Anti- section is completed with folded method is turned over, and during the positive section of coiling, when active line is around to the location of shielding line suspension head, shielding line is suspended head
On being hindered online with active line colligation, after the number of turn as defined in coiling, shielding line is cut and welded with above shielding line (across two sections
With being not always the case across four sections).Because the insulation of shielding line is thicker, its weld shielding line is cut, pulls down insulation, welding and welding
Processing afterwards:Such as filing, sanding, bag insulation is mended, waste the plenty of time of operator, simultaneously because file head, can make metal powder
Dirt falls into coil, causes free electric discharge during transformer station high-voltage side bus；Other wire welding point is excessive, has a strong impact on that transformer wire is consolidated
Quality, often the work power supply once wasted, the energy of solder flux used, insulating paper, Machine for arc welding of copper parts is also very considerable during welding.
The content of the invention
The defects of it is an object of the invention to overcome prior art and a kind of winding method of inner shield coil is provided, it around
Make simple, easy to operation, end supporting surface is bigger, to the stability of short-circuit axial force might as well, and have relatively good
Heat dispersion.
Realizing a kind of technical scheme of above-mentioned purpose is：A kind of winding method of inner shield coil, on vertical coil winding machine
Carry out, comprise the following steps according to continuous winding winding method：
The blanking step of shielding line, the length of each shielding line is first accurately calculated, by computational length blanking, and performs shielding line
Mark, should indicate shielding line start position；
The step of removing the insulation of shielding end, insulation mark first is divested in shielding line end, then shelled with exploitation knife
Except the insulation for being tagged to termination；
The insulating wrapping step of end is shielded, first polishing shielding end, the line end after polishing is in the width of wire
For diameter circular arc using the thickness of wire as diameter again simultaneously, then with cutting knife having shelled insulation position to make length it is ten times of insulation thicknesses
Tiltedly slightly, and cut off from mark 2mm insulate, then wrapping shielding end insulation, finally will make termination insulation
The annulus that shielding line is coiled into a diameter of 500~600mm is stand-by；
The installation steps of insulating board cylinder and coil stay, the coated insulation fiber core on the winding former of vertical coil winding machine,
And it is uniformly arranged some coil stays along insulating board tube outer surface；
The coiling step of positive section wire turn, first by the active line of unshielded line around the section start for needing to insert screening turn,
One end of the shielding line of numbered corresponding line segment is placed on to the inner side of active line, then rotates vertical coil winding machine, active line with
Shielding line is together around to the defined number of turn, then tightens up positive section wire turn, is then centered around the anti-section of remaining shielding line temporarily by hand
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, is arrived in disk
During segment positions, first needed in last several circles on the wire turn that shields, be put into interim filler strip, interim filler strip and shielding line uniform thickness, etc.
Width, line segment is then tentatively tightened up, transposition is transitioned into here the anti-section of the shielding line accordingly numbered paragraph by paragraph, by remaining screen under transposition
Cover line to pass through, be wound on temporarily on winding former, then since transposition, side extracts interim filler strip frontier fortress out and enters shielding line, until shielding
End is filled in, and the transposition for then performing positive section to anti-section is wrapped up, 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 replaces with disk-type winding equally to be made, but bendable
It is straight, the allowance tightened up as anti-section；To make the piecewise transition that replaces by shown position across four sections of screen lines, pass through three gears
" S " is bent into anti-section；It is upward in the thick paper grooves of " S " curved following button 0.2mm, notch；Whole line wants outsourcing Denison wrinkle
One layer of paper half lap.
The winding method of above-mentioned inner shield coil, wherein, when shield the insulating wrapping step of end, voltage etc.
Level is in two kinds of situation：
1) shielding line of 110KV products, with high-density paper, individual half lap is wrapped up, and is wrapped, is wrapped to termination from the oblique slightly place of insulation
Outer 50mm, the cardboard for being 50mm with uniform thickness wide with copper shield line and length are filled；After wrapping to the outer limit size of shielding line,
Tiltedly slightly joining place two layers of half lap plus bag again；
2) shielding line of 220KV products, with semiconducting paper from away from being wrapped shielding at end 40mm, wrapped to termination direction
Prick, two layers of half lap, wrap to 70mm outside termination, with the cardboard filling with the wide uniform thickness of same shielding line of 120mm length, then, use
High-density paper individual half lap wrapping, is wrapped from slightly place of insulating tiltedly, is wrapped to 120mm outside termination, wrapping thickness is not less than original insulation
Thickness, in tiltedly slightly joining place, two layers of half lap plus bag in addition.
The winding method of above-mentioned inner shield coil, wherein, the interim filler strip and shielding line uniform thickness, wide, interim pad
The length of bar is the length for the shielding circle for being incorporated to line segment.
Realizing the another technical solution of above-mentioned purpose is：A kind of winding method of inner shield coil, in horizontal coil winding machine
On according to continuous winding winding method carry out, it is characterised in that characterized in that, the winding method comprises the following steps：
The blanking step of shielding line, the length of each shielding line is first accurately calculated, by computational length blanking, and performs shielding line
Mark, should indicate shielding line start position；
The step of removing the insulation of shielding end, insulation mark first is divested in shielding line end, then shelled with exploitation knife
Except the insulation for being tagged to termination；
The insulating wrapping step of end is shielded, first polishing shielding end, the line end after polishing is in the width of wire
For diameter circular arc using the thickness of wire as diameter again simultaneously, then with cutting knife having shelled insulation position to make length it is ten times of insulation thicknesses
Tiltedly slightly, and cut off from mark 2mm insulate, then wrapping shielding end insulation, finally will make termination insulation
The annulus that shielding line is coiled into a diameter of 500-600mm is stand-by；
The installation steps of insulating board cylinder and coil stay, the coated insulation fiber core on the winding former of horizontal coil winding machine,
And it is uniformly arranged some coil stays along insulating board tube outer surface；
Shielding line, is first wound on the winding former of horizontal coil winding machine by the coiling step of anti-section wire turn in advance, by work wire turn pressure
On shielding line, horizontal coil winding machine is rotated, active line and shielding line are together around to the defined number of turn, on the contrary line cake, pays attention to work
Line together falling under in upper, shielding line, it is complete to active line, perform top transposition, tighten up line segment；Perform bottom gear；It will take
Under positive section shielding line, it is first interim floating to be entangled on anti-section or other line segments；
The coiling step of positive section wire turn, first coiling second segment is first positive section, has the positive section of shielding circle further around remaining is made；
When coiling second segment is first positive section, line segment is tightened up around to parking when needing shielding circle in active line, will be shielded
Line is covered to be incorporated to, with active line together around to the defined number of turn, after tightening up line segment, active line performs gear, shielding line it is temporarily floating around
In in positive section；
When in coiling, remaining has the positive section of shielding circle, shielding line uses inserted mode；In positive section coiling, active line around to
Stopped when there need to be shielding, tighten up line segment, interim filler strip is incorporated to, with active line together around to the defined number of turn, tentatively tightened up；
The shielding line accordingly numbered is gradually transitions here from anti-section, from active line under pass through, the floating winding former for being around in horizontal coil winding machine
On；From active line transposition section start, interim filler strip is extracted on side out, and frontier fortress enters shielding line, all filled in shielding line, and point rotates horizontal
Coil winding machine tightens up whole line segment, performs positive section and the transposition of the active line of anti-section is wrapped up.
Bridging transposition making step, the line between positive and negative section of shielding line replaces with disk-type winding equally to be made, but bendable
It is straight, the allowance tightened up as anti-section；To make the piecewise transition that replaces by shown position across four sections of screen lines, pass through three gears
" S " is bent into positive section；It is upward in the thick paper grooves of " S " curved following button 0.2mm, notch；Whole line wants outsourcing Denison wrinkle
One layer of paper half lap.
The winding method of above-mentioned inner shield coil, wherein, when shield the insulating wrapping step of end, voltage etc.
Level is in two kinds of situation：
1) shielding line of 110KV products, with high-density paper, individual half lap is wrapped up, and is wrapped, is wrapped to termination from the oblique slightly place of insulation
Outer 50mm, the cardboard for being 50mm with uniform thickness wide with copper shield line and length are filled；After wrapping to the outer limit size of shielding line,
Tiltedly slightly joining place two layers of half lap plus bag again；
2) shielding line of 220KV products, with semiconducting paper from away from being wrapped shielding at end 40mm, wrapped to termination direction
Prick, two layers of half lap, wrap to 70mm outside termination, with the cardboard filling with the wide uniform thickness of same shielding line of 120mm length, then, use
High-density paper individual half lap wrapping, is wrapped from slightly place of insulating tiltedly, is wrapped to 120mm outside termination, wrapping thickness is not less than original insulation
Thickness, in tiltedly slightly joining place, two layers of half lap plus bag in addition.
The winding method of above-mentioned inner shield coil, wherein, the interim filler strip and shielding line uniform thickness, wide, interim pad
The length of bar is the length for the shielding circle for being incorporated to line segment.
The present invention inner shield coil winding method, using anti-section, positive section replace coiling method, shielding line span around
System, the length of reserved shielding line is calculated first, shielding line is reserved by the length of calculating, after anti-section coiling is completed, by reserved screen
Cover line and positive section is transitioned into by inside transposition, in the winding process of anti-section and positive section, shield wire terminal without welding, ensure that
The quality of transformer coil, also reduces manufacturing cost.
Brief description of the drawings
Fig. 1 a are that the winding method of the inner shield coil of the present invention is beaten when carrying out and shielding the insulating wrapping step of end
The structural representation of milled shielding end (b is the width of shielding line in figure, and δ is the thickness of shielding line)；
Fig. 1 b are Fig. 1 a top views；
Fig. 2 a are that the winding method of inner shield coil of the present invention is completed after the insulating wrapping step of end shield
The structural representation of the 110KV levels product coil shielding end of insulating wrapping；
Fig. 2 b are that the winding method of inner shield coil of the present invention is completed after the insulating wrapping step of end shield
The structural representation of the 220KV levels product coil shielding end of insulating wrapping.
Embodiment
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 length of each shielding line is first accurately calculated, by computational length blanking, and performs shielding line
Mark, is marked with red pen, for convenience of coiling, should indicate shielding line start position；
The step of removing the insulation of shielding end, insulation mark first is divested in shielding line end, then shelled with exploitation knife
Except the insulation for being tagged to termination；
The insulating wrapping step of end is shielded, first polishing shielding end, the line end after polishing is in the width of wire
For diameter circular arc (see Fig. 1 a and Fig. 1 b) using the thickness of wire as diameter again simultaneously, then with cutting knife make length having shelled insulation position
Slightly (30mm is slightly about for ten times of the oblique of insulation thickness), and is cut off and insulated (part may be polluted by copper powder) from former mark 2mm,
Then by the insulation of two kinds of voltage class wrapping shielding ends：
1) shielding line of 110KV products, with high-density paper, individual half lap is wrapped up, and is wrapped, is wrapped to termination from the oblique slightly place of insulation
Outer 50mm, to ensure the consolidation of wireless portion wrapping outside termination, the paper that can be 50mm with uniform thickness wide with copper shield line and length
Plate is filled；Wrapping to after the outer limit size of shielding line, tiltedly slightly joining place again two layers of half lap plus bag (see Fig. 2 a)；
2) shielding line of 220KV products, with semiconducting paper from away from being wrapped shielding at end 40mm, wrapped to termination direction
Prick, two layers of half lap, wrap to 70mm outside termination, to ensure to wrap up neat, consolidation, can be grown with 120mm wide with same shielding line
The cardboard filling of uniform thickness, then, with high-density paper, individual half lap is wrapped up, and is wrapped, is wrapped to 120mm outside termination from the oblique slightly place of insulation,
Thickness (be usually 28 layer) of the thickness not less than former insulation is wrapped up, in tiltedly slightly joining place, two layers of half lap plus bag are (be shown in Fig. 2 b) in addition；
The annulus that the shielding line for making termination insulation is finally coiled into a diameter of 500~600mm is stand-by；
The installation steps of insulating board cylinder and coil stay, the coated insulation fiber core on the winding former of vertical coil winding machine,
And it is uniformly arranged some coil stays along insulating board tube outer surface；
The coiling step of positive section wire turn, first by the active line of unshielded line around the section start for needing insertion screening turn
(when shielding line is a circle, active line also have a circle not around, when shielding line two, three, four circles, then active line also have two respectively,
3rd, four circles not around), one end of the shielding line of numbered corresponding line segment is placed on to the inner side (following) of active line, opened around preceding elder generation
The work wire turn wound is tightened up, to ensure that shielding line is put into the correct of coil position；Then vertical coil winding machine is rotated,
Active line and shielding line are together around to the defined number of turn, during shielding line coiling, need to have an operator to hold shielding line, with around
Process processed is gradually sent into shielding line；Positive section wire turn is tightened up again, and the anti-section of remaining shielding line is then centered around bottom temporarily by hand
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, is arrived in disk
During segment positions, first needed in last several circles on the wire turn that shields, be put into interim filler strip (interim filler strip and shielding line uniform thickness, etc.
Width, the length of interim filler strip are the length for the shielding circle for being incorporated to line segment), line segment is then tentatively tightened up, the shielding line accordingly numbered
Transposition is transitioned into here anti-section paragraph by paragraph, is passed through remaining shielding line under transposition, is wound on temporarily on winding former, then from transposition
Start, side extracts interim filler strip frontier fortress out and enters shielding line, until shielding end is filled in, then performs positive section to the transposition bag of anti-section
Prick, 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 replaces with disk-type winding equally to be made, but bendable
It is straight, the allowance tightened up as anti-section；To make the piecewise transition that replaces by shown position across four sections of screen lines, pass through three gears
" S " is bent into anti-section；It is upward in the thick paper grooves of " S " curved following button 0.2mm, notch；Whole line wants outsourcing Denison wrinkle
One layer of paper half lap.
The winding method of another inner shield coil of the present invention, according to continuous winding coiling side on horizontal coil winding machine
Formula is carried out, and is comprised the following steps：
The blanking step of shielding line, the length of each shielding line is first accurately calculated, by computational length blanking, and performs shielding line
Mark, is marked with red pen, for convenience of coiling, should indicate shielding line start position；
The step of removing the insulation of shielding end, insulation mark first is divested in shielding line end, then shelled with exploitation knife
Except the insulation for being tagged to termination；
The insulating wrapping step of end is shielded, first polishing shielding end, the line end after polishing is in the width of wire
For diameter circular arc (see Fig. 1 a and Fig. 1 b) using the thickness of wire as diameter again simultaneously, then with cutting knife make length having shelled insulation position
Slightly (30mm is slightly about for ten times of the oblique of insulation thickness), and is cut off and insulated (part may be polluted by copper powder) from former mark 2mm,
Then by the insulation of two kinds of voltage class wrapping shielding ends：
1) shielding line of 110KV products, with high-density paper, individual half lap is wrapped up, and is wrapped, is wrapped to termination from the oblique slightly place of insulation
Outer 50mm, to ensure the consolidation of wireless portion wrapping outside termination, the cardboard that can be 50mm with uniform thickness wide with shielding line and length
Filling；Wrapping to after the outer limit size of shielding line, tiltedly slightly joining place again two layers of half lap plus bag (see Fig. 2 a)；
2) shielding line of 220KV products, with semiconducting paper from away from being wrapped shielding at end 40mm, wrapped to termination direction
Prick, two layers of half lap, wrap to 70mm outside termination, to ensure to wrap up neat, consolidation, can be grown with 120mm wide with same shielding line
The cardboard filling of uniform thickness, then, with high-density paper, individual half lap is wrapped up, and is wrapped, is wrapped to 120mm outside termination from the oblique slightly place of insulation,
Thickness (be usually 28 layer) of the thickness not less than former insulation is wrapped up, in tiltedly slightly joining place, two layers of half lap plus bag are (be shown in Fig. 2 b) in addition；
The annulus that the shielding line for making termination insulation is finally coiled into a diameter of 500~600mm is stand-by；
The installation steps of insulating board cylinder and coil stay, the coated insulation fiber core on the winding former of horizontal coil winding machine,
And it is uniformly arranged some coil stays along insulating board tube outer surface；
Shielding line, is first wound on the winding former of horizontal coil winding machine by the coiling step of anti-section wire turn in advance, by work wire turn pressure
(first section shielding line pays attention to reserving line length of lifting one's head, and is shielding line starting point mark at gear " S " kinking beam of active line on shielding line
At will), horizontal coil winding machine is rotated, active line and shielding line are together around to the defined number of turn, on the contrary line cake, notices that active line exists
Upper, shielding line together falling under, it is complete to active line, perform top transposition, tighten up line segment；Perform bottom gear；By what is taken down
Positive section shielding line, it is first temporarily floating to be entangled on anti-section or other line segments；
The coiling step of positive section wire turn, first coiling second segment is first positive section, has the positive section of shielding circle further around remaining is made；
When coiling second segment is first positive section, in active line around to when needing shielding circle, line segment is tightened up in parking, will be shielded
Line is covered to be incorporated to, with active line together around to the defined number of turn, after tightening up line segment, active line performs gear, shielding line it is temporarily floating around
In in positive section；
When in coiling, remaining has the positive section of shielding circle, shielding line uses inserted mode；In positive section coiling, active line around to
Stopped when there need to be shielding, tighten up line segment, (interim filler strip and shielding line uniform thickness, wide, the length of interim filler strip is by interim filler strip
It is incorporated to the length of the shielding circle of line segment) it is incorporated to, with active line together around to the defined number of turn, tentatively tighten up；What is accordingly numbered
Shielding line is gradually transitions here from anti-section, from active line under pass through, it is floating to be around on the winding former of horizontal coil winding machine；From active line
Replaced section start, and interim filler strip is extracted on side out, and frontier fortress enters shielding line, until shielding line is all filled in, point rotates horizontal coil winding machine and received
Tight whole line segment, performs positive section and the transposition of the active line of anti-section is wrapped up.
Bridging transposition making step, the line between positive and negative section of shielding line replaces with disk-type winding equally to be made, but bendable
It is straight, the allowance tightened up as anti-section；To make the piecewise transition that replaces by shown position across four sections of screen lines, pass through three gears
" S " is bent into positive section；It is upward in the thick paper grooves of " S " curved following button 0.2mm, notch；Whole line wants outsourcing Denison wrinkle
One layer of paper half lap.
Above-mentioned shielding line one end refers to starting for shielding line conductor, without insulating wrapping part.
In coiling on horizontal coil winding machine, if coil from end around when, the coiling of shielding line and insertion with it is vertical around
Operating method on line machine is identical.
The present invention inner shield coil winding method, using anti-section, positive section replace coiling method, shielding line span around
System, the length of reserved shielding line is calculated first, shielding line is reserved by the length of calculating, after anti-section coiling is completed, by reserved screen
Cover line and positive section is transitioned into by inside transposition, in the winding process of anti-section and positive section, shield wire terminal without welding, ensure 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, the technology people about technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (2)
1. a kind of winding method of inner shield coil, being carried out on vertical coil winding machine according to continuous winding winding method, it is special
Sign is that the winding method comprises the following steps：
The blanking step of shielding line, the length of each shielding line is first accurately calculated, by computational length blanking, and performs shielding line mark
Will, shielding line start position should be indicated；
The step of removing the insulation of shielding end, insulation mark first is divested in shielding line end, then divests mark with exploitation knife
Remember the insulation of termination；
The insulating wrapping step of end is shielded, first polishing shields end, and the line end after polishing is straight in using the width of wire
Footpath circular arc using the thickness of wire as diameter again simultaneously, then make length as the oblique of ten times of insulation thicknesses having shelled insulation position with cutting knife
Slightly, and cut off from mark 2mm insulation, then by the insulation of two kinds of voltage class wrapping shielding ends：
1）The shielding line of 110KV products, with high-density paper, individual half lap is wrapped up, and is wrapped, is wrapped to outside termination from the oblique slightly place of insulation
50mm, the cardboard for being 50mm with uniform thickness wide with copper shield line and length are filled；After wrapping to the outer limit size of shielding line, oblique
Slightly joining place two layers of half lap plus bag again；
2）The shielding line of 220KV products, with semiconducting paper from away from being wrapped shielding at end 40mm, wrapped up to termination direction, half
It is folded two layers, wrap to 70mm outside termination, with the cardboard filling with the wide uniform thickness of same shielding line of 120mm length, then, use high density
Paper individual half lap wrapping, is wrapped from slightly place of insulating tiltedly, is wrapped to 120mm outside termination, wraps up thickness of the thickness not less than original insulation,
Tiltedly slightly joining place, in addition two layers of half lap plus bag；
The annulus that the shielding line for making termination insulation is finally coiled into a diameter of 500~600mm is stand-by；
The installation steps of insulating board cylinder and coil stay, the coated insulation fiber core on the winding former of vertical coil winding machine, and edge
Insulating board tube outer surface is uniformly arranged some coil stays；
The coiling step of positive section wire turn, first by the active line of unshielded line around the section start for needing insertion 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, opens and first the work wire turn wound is received around preceding
Tightly, to ensure that shielding line is put into correct position in active line；Then rotate vertical coil winding machine, active line and shielding line together around
To the defined number of turn, during shielding line coiling, there need to be an operator to hold shielding line, as coiling process is gradually sent into shielding
Line；Positive section wire turn is tightened up again, is then centered around remaining shielding line anti-section in the adjacent segments of bottom temporarily by hand；
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, in disk to line segment
During position, first on the wire turn that last several circles needs shield, interim filler strip is put into, line segment is then tentatively tightened up, accordingly numbers
Transposition is transitioned into here the anti-section of shielding line paragraph by paragraph, is passed through remaining shielding line under transposition, is wound on temporarily on winding former, then from
Transposition starts, and side extracts interim filler strip frontier fortress out and enters shielding line, until shielding end is filled in, then performs positive section to anti-section
Transposition wrapping, 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；Interim pad
Bar and shielding line uniform thickness, wide, the length of interim filler strip is the length for the shielding circle for being incorporated to line segment；
Bridging transposition making step, the line between positive and negative section of shielding line answer curved straight as disk-type winding interchanging method
Some, the allowance tightened up as anti-section；To make the piecewise transition that replaces by design attitude across four sections of shielding lines, pass through three gears
" S " is bent into anti-section；It is upward in the thick paper grooves of " S " curved following button 0.2mm, notch；Whole line wants outsourcing Denison wrinkle
One layer of paper half lap.
2. a kind of winding method of inner shield coil, being carried out on horizontal coil winding machine according to continuous winding winding method, it is special
Sign is that the winding method comprises the following steps：
The blanking step of shielding line, the length of each shielding line is first accurately calculated, by computational length blanking, and performs shielding line mark
Will, shielding line start position should be indicated；
The step of removing the insulation of shielding end, insulation mark first is divested in shielding line end, then divests mark with exploitation knife
Remember the insulation of termination；
The insulating wrapping step of end is shielded, first polishing shields end, and the line end after polishing is straight in using the width of wire
Footpath circular arc using the thickness of wire as diameter again simultaneously, then make length as the oblique of ten times of insulation thicknesses having shelled insulation position with cutting knife
Slightly, and cut off from mark 2mm insulation, then by the insulation of two kinds of voltage class situations wrapping shielding ends：
1）The shielding line of 110KV products, with high-density paper, individual half lap is wrapped up, and is wrapped, is wrapped to outside termination from the oblique slightly place of insulation
50mm, the cardboard for being 50mm with uniform thickness wide with copper shield line and length are filled；After wrapping to the outer limit size of shielding line, oblique
Slightly joining place two layers of half lap plus bag again；
2）The shielding line of 220KV products, with semiconducting paper from away from being wrapped shielding at end 40mm, wrapped up to termination direction, half
It is folded two layers, wrap to 70mm outside termination, with the cardboard filling with the wide uniform thickness of same shielding line of 120mm length, then, use high density
Paper individual half lap wrapping, is wrapped from slightly place of insulating tiltedly, is wrapped to 120mm outside termination, wraps up thickness of the thickness not less than original insulation,
Tiltedly slightly joining place, in addition two layers of half lap plus bag；
The annulus that the shielding line for making termination insulation is finally coiled into a diameter of 500-600mm is stand-by；
The installation steps of insulating board cylinder and coil stay, the coated insulation fiber core on the winding former of horizontal coil winding machine, and edge
Insulating board tube outer surface is uniformly arranged some coil stays；
Shielding line, is first wound on the winding former of horizontal coil winding machine by the coiling step of anti-section wire turn in advance, and work wire turn is pressed in into screen
Covering on line, rotate horizontal coil winding machine, active line and shielding line are together around to the defined number of turn, on the contrary line cake, notices that active line exists
Upper, shielding line together falls under, complete to active line, performs top transposition, tightens up line segment；Perform bottom gear；By it is remaining just
Section shielding line, it is first temporarily floating to be entangled in anti-section；
The coiling step of positive section wire turn, first coiling second segment is first positive section, has the positive section of shielding circle further around remaining is made；
When coiling second segment is first positive section, line segment is tightened up around to parking when needing shielding circle in active line, by shielding line
It is incorporated to, with active line together around to the defined number of turn, after tightening up line segment, active line performs gear, and shielding line is temporarily floating to be around in just
Duan Shang；
When in coiling, remaining has the positive section of shielding circle, shielding line uses inserted mode；In positive section coiling, active line is around to need to have
Stopped during shielding, tighten up line segment, interim filler strip is incorporated to, with active line together around to the defined number of turn, tentatively tightened up；Corresponding
The shielding line of numbering is gradually transitions here from anti-section, from active line under pass through, it is floating to be around on the winding former of horizontal coil winding machine；From
Interim filler strip is extracted on active line transposition section start, side out, and frontier fortress enters shielding line, all filled in shielding line, and point rotates horizontal coiling
Machine tightens up whole line segment, performs positive section and the transposition of the active line of anti-section is wrapped up；It is interim filler strip and shielding line uniform thickness, wide, face
When filler strip length be incorporated to line segment shielding circle length；
Bridging transposition making step, the line between positive and negative section of shielding line answer curved straight as disk-type winding interchanging method
Some, the allowance tightened up as anti-section；To make the piecewise transition that replaces by design attitude across four sections of shielding lines, pass through three gears
" S " is bent into positive section；It is upward in the thick paper grooves of " S " curved following button 0.2mm, notch；Whole line wants outsourcing Denison wrinkle
One layer of paper half lap.
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| CN106158355B true CN106158355B (en) | 2018-02-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108073759B (en) * | 2017-11-09 | 2021-06-01 | 保定天威集团特变电气有限公司 | Method and system for calculating number of turns of coil 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 |
| CN112217074B (en) * | 2020-10-13 | 2023-06-06 | 天威保变（秦皇岛）变压器有限公司 | Device and method for rapidly wrapping insulation of shielded wire |
| CN114203438A (en) * | 2021-12-08 | 2022-03-18 | 中铁电气工业有限公司 | Manufacturing method of shielding type coil |
| 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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| CN1763875A (en) * | 2005-09-30 | 2006-04-26 | 特变电工沈阳变压器集团有限公司技术中心 | Vertical winding machine coiling inner screen continuous winding non welding head coiling method |
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| CN102543393A (en) * | 2012-02-17 | 2012-07-04 | 山东达驰电气有限公司 | Suspension end insulation structure with transformer coil inserted with shielding wire |
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