CN109950040A - Method and the coil of the cone cell without glue secondary coil are manufactured based on wet therapy forming process - Google Patents
Method and the coil of the cone cell without glue secondary coil are manufactured based on wet therapy forming process Download PDFInfo
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- CN109950040A CN109950040A CN201910181108.8A CN201910181108A CN109950040A CN 109950040 A CN109950040 A CN 109950040A CN 201910181108 A CN201910181108 A CN 201910181108A CN 109950040 A CN109950040 A CN 109950040A
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- inner conical
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Abstract
The present invention relates to a kind of high voltage pulse transformer secondary coils, it is longer for existing no glue secondary coil production process complexity, fabrication cycle, cause practicability not high, it is difficult to meet the defect of real work demand, provides and method and the coil of the cone cell without glue secondary coil are manufactured based on wet therapy forming process.Wherein, method of the cone cell without glue secondary coil is manufactured based on wet therapy forming process, includes the following steps: 1) to make papery inner conical-tube by wet therapy forming process；2) fine line diameter coiling is wound on papery inner conical-tube make coil-winding middle layer；3) papery inner conical-tube outer surface is formed；Specifically, making Triangle ID area expansion, deformation of the papery inner conical-tube appearance towards the adjacent turn-to-turn of coil-winding middle layer at several minutes of water drenching on the papery inner conical-tube for make fine line diameter coiling, forming wavy contact surface；4) papery external conical-tube is made by wet therapy forming process in coil-winding middle layer；It is formed simultaneously to its inner surface；5) remove taper base cylinder.
Description
Technical field
The present invention relates to a kind of high voltage pulse transformer secondary coils, and in particular to manufactures cone cell based on wet therapy forming process
Method and the coil without glue secondary coil.
Background technique
The Sinus series high-voltage pulse generator of Russia uses the high coupling transformer with open circuit magnetic core and coaxial shape
At the integrated cramped construction of line.
The primary coil and secondary coil of transformer are embedded in coaxial pulse and are formed inside line；Secondary coil has line footpath
Carefully, the feature more than the number of turns is set between the inner magnetic core to form line and outer magnetic core.
Common secondary coil fixes fine line diameter conducting wire coiling using solidification glue adhesive means using electrician's cardboard as base cylinder
On papery base cylinder, there are small air bubbles for the glue-line that solidifies of this gluing coil.During charging to secondary, interior magnetic
Core is high potential, and high voltage is born at secondary coil both ends；At this point, air gap internal electric field is remarkably reinforced in glue-line, Yi Fasheng gas is put
Electrical phenomena, leads to coil burnout, and transformer can not work normally.
In the prior art, by forming line coated by dielectric hyperbar to improve the High-Voltage Insulation performance of medium；But
Hyperbar cannot improve the normal pressure form for solidifying microbubble in glue-line, and glue-line bubble is still easy to happen high electrical breakdown.
" no glue formula taper high voltage pulse transformer secondary coil " disclosed in Chinese patent (application number:
ZL201510381708.0 a kind of loop construction of no gelatinization) is proposed, although the structure solves existing taper secondary coil
Due to coating technique bring gas discharge problem in production, coil turn-to-turn insulation performance is improved, ensure that taper secondary wire
Enclose integral insulation intensity.But coiling should be fixed using fishing line due to coil and make production process complicated, to guarantee the equal of coiling
Even property also causes fabrication cycle longer；Thus practicability is not high, it is difficult to meet real work demand.
Summary of the invention
The purpose of the present invention is overcoming existing no glue secondary coil production process complexity, fabrication cycle longer, cause practical
Property it is not high, it is difficult to meet the deficiency of real work demand, and provide based on wet therapy forming process manufacture cone cell without glue secondary coil
Method and the coil.
To achieve the above object, present invention provide the technical scheme that based on wet therapy forming process manufacture cone cell without glue
The method of grade coil, is characterized in that, includes the following steps:
1) papery inner conical-tube is made
Papery inner conical-tube is made by wet therapy forming process on taper base cylinder；
Wet therapy forming process is applied to the mature technology in electric power transformer insulated structural member, and specific method is formerly to exist
Base cylinder is applied with multilayer l Water Paper, then bundlees tightening belt, by the high temperature drying of certain time, ultimately forms drying, has certain machine
The solid-state papery component of tool intensity.
2) coil-winding middle layer is made
Fine line diameter coiling is wound on papery inner conical-tube makes coil-winding middle layer；
3) papery inner conical-tube outer surface is formed
At several minutes of water drenching on the papery inner conical-tube for make fine line diameter coiling, make papery inner conical-tube appearance towards coil around
The expansion of Triangle ID area, the deformation of the adjacent turn-to-turn of line middle layer, and papery inner conical-tube outer surface is in the high temperature drying of wet forming
Wavy contact surface is formed in the process；
4) papery external conical-tube is made, while being formed to its inner surface
Using coil-winding middle layer as substrate, papery outer cone is made by wet therapy forming process in coil-winding middle layer
Cylinder；
During making papery external conical-tube, inner surface is to the anterolateral trigone of the adjacent turn-to-turn of coil-winding middle layer
Tighten, deformation, and forms wavy contact surface in the high-temperature drying procedures of the inherent wet forming of papery external conical-tube；
5) remove taper base cylinder.
In addition, the present invention also provides a kind of cone cells without glue secondary coil, it is characterized in that, including coaxial from the inside to the outside
And papery inner conical-tube, coil-winding middle layer and the papery external conical-tube fitted closely；Papery inner conical-tube and coil-winding middle layer
The external contacting surface that fits closely and papery external conical-tube and the interior contact surface that coil-winding middle layer fits closely are wave-shaped.
Further, above-mentioned coil-winding middle layer is made by winding fine line diameter coiling in papery inner conical-tube outer surface,
Due to about 90~110 DEG C of wet forming drying temperature, fine line diameter coiling is using the enameled wire of resistance to 110 DEG C and the above high temperature or three layers
Insulated wire.
Further, the outer diameter of above-mentioned fine line diameter coiling is about 0.3~2mm.
Compared with prior art, the invention has the advantages that
1, cone cell secondary coil of the invention uses the paper tube fixed coil coiling of wet forming, and substitution fixes coiling with glue
Traditional approach, realize no gelatinization, solve the long-life of cone cell high voltage second coil and high reliability in pulse transformer
The problem of.
2, the present invention uses wavy contact surface, plays and makees to coil middle layer along conical surface direction and radial fixing
With can effectively realize the fixation to coil middle layer.
3, cone cell secondary coil structure of the present invention is simple, and coiling is uniform, and turn-to-turn insulation is good；And be easily achieved, have shorter
Fabrication cycle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cone cell secondary coil one embodiment of the present invention；
Each label is described as follows in figure:
1-papery external conical-tube；
2-coil-winding middle layers；
3-papery inner conical-tubes；
4-taper base cylinders.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
The present embodiment provides a kind of cone cells without glue secondary coil, which is integrally in thin-wall wimble barrel structure, including by
Papery inner conical-tube 3, coil-winding middle layer 2 and papery external conical-tube 1 interior to outer coaxial and fit closely；Papery inner conical-tube 3 with
The external contacting surface and papery external conical-tube 1 that coil-winding middle layer 2 fits closely fit closely interior with coil-winding middle layer 2
Contact surface is wave-shaped.Wavy contact surface plays coil middle layer along conical surface direction and radial fixed function.
Coil-winding middle layer 2 is by winding the fine line diameter coiling system that outer diameter is 0.34mm in 3 outer surface of papery inner conical-tube
At, due to about 90~110 DEG C of wet forming drying temperature, fine line diameter coiling using resistance to 110 DEG C and the above high temperature enameled wire or
Three layer insulation wire.
This implementation also discloses manufacture method of the cone cell without glue secondary coil, the specific steps are as follows:
1) papery inner conical-tube 3 is made
Papery inner conical-tube 3 is made by wet therapy forming process on the taper base cylinder 4 of aluminum；1 surface of papery inner conical-tube
Conical surface inner groove depth 1.5mm, spiral groove width 0.5mm, the depth 0.5mm at both ends.
Wet therapy forming process is applied to the mature technology in electric power transformer insulated structural member, and specific method is formerly to exist
Base cylinder is applied with multilayer l Water Paper, then bundlees tightening belt, by the high temperature drying of certain time, ultimately forms drying, has certain machine
The solid-state papery component of tool intensity.
2) coil-winding middle layer 2 is made
Fine line diameter coiling is wound on papery inner conical-tube 3 makes coil-winding middle layer 2；Fine line diameter coiling is for outer diameter
The enameled wire of 0.34mm.
3) 3 outer surface of papery inner conical-tube is formed
At several minutes of water drenching on the papery inner conical-tube 3 for make fine line diameter coiling, coiling is remained unchanged, and makes papery inner conical-tube
Triangle ID area expansion, deformation of 3 appearances towards the adjacent turn-to-turn of coil-winding middle layer 2, and 3 outer surface of papery inner conical-tube is wet
Wavy contact surface is formed in the molding high-temperature drying procedures of method；
4) papery external conical-tube 1 is made, while being formed to its inner surface
It is substrate with coil-winding middle layer 2, is made outside papery in coil-winding middle layer 2 by wet therapy forming process
Cone cylinder 1；
During making papery external conical-tube 1, lateralis of the inner surface to the adjacent turn-to-turn of coil-winding middle layer 2
Area tightens, deforms, and the inner surface of papery external conical-tube 1 forms wavy contact in the high-temperature drying procedures of wet forming
Face；
5) wire stripping slot is opened up in the small end of papery inner conical-tube 3, adjusts the end of a thread of fine line diameter coiling；Remove taper base cylinder 4；?
Wire stripping slot is opened up on the inside of 1 big end of papery external conical-tube, adjusts the end of a thread of fine line diameter coiling；Open up oilhole.
The preferred embodiment that above-described embodiment is realized for the present invention, and non-limiting exhaustion, the present invention is gone back under same idea
There can be other variations.It should be noted that without departing from the inventive concept of the premise, any obvious replacement
Within that scope of the present invention.
Claims (4)
1. manufacturing method of the cone cell without glue secondary coil based on wet therapy forming process, which comprises the steps of:
1) papery inner conical-tube (3) are made
Papery inner conical-tube (3) are made by wet therapy forming process on taper base cylinder (4)；
2) coil-winding middle layer (2) are made
Fine line diameter coiling production coil-winding middle layer (2) is wound on papery inner conical-tube (3)；
3) papery inner conical-tube (3) outer surface is formed
Several minutes of water drenching on the papery inner conical-tube (3) for make fine line diameter coiling, make papery inner conical-tube (3) appearance towards coil
The expansion of Triangle ID area, the deformation of the adjacent turn-to-turn of coiling middle layer (2)；
And papery inner conical-tube (3) outer surface forms wavy contact surface in the high-temperature drying procedures of wet forming；
4) papery external conical-tube (1) is made, while be formed to its inner surface
With coil-winding middle layer (2) for substrate, made outside papery on coil-winding middle layer (2) by wet therapy forming process
Cone cylinder (1)；
During making papery external conical-tube (1), lateralis of the inner surface to the adjacent turn-to-turn of coil-winding middle layer (2)
Tighten, deform in area；
And the inner surface of papery external conical-tube (1) forms wavy contact surface in the high-temperature drying procedures of wet forming；
5) remove taper base cylinder (4).
2. a kind of cone cell is without glue secondary coil, it is characterised in that: including papery inner conical-tube that is coaxial from the inside to the outside and fitting closely
(3), coil-winding middle layer (2) and papery external conical-tube (1)；
The external contacting surface and papery external conical-tube (1) and coil that papery inner conical-tube (3) and coil-winding middle layer (2) fit closely
The interior contact surface that coiling middle layer (2) fits closely is wave-shaped.
3. a kind of cone cell according to claim 2 is without glue secondary coil, it is characterised in that: the coil-winding middle layer
(2) it is made by winding fine line diameter coiling in papery inner conical-tube (3) outer surface, fine line diameter coiling is using resistance to 110 DEG C or more high
The enameled wire or three layer insulation wire of temperature.
4. a kind of cone cell according to claim 3 is without glue secondary coil, it is characterised in that: the outer diameter of the fine line diameter coiling
For 0.3~2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181108.8A CN109950040B (en) | 2019-03-11 | 2019-03-11 | Method for manufacturing cone-shaped glue-free secondary coil based on wet forming process and coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181108.8A CN109950040B (en) | 2019-03-11 | 2019-03-11 | Method for manufacturing cone-shaped glue-free secondary coil based on wet forming process and coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109950040A true CN109950040A (en) | 2019-06-28 |
| CN109950040B CN109950040B (en) | 2021-01-05 |
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| CN201910181108.8A Active CN109950040B (en) | 2019-03-11 | 2019-03-11 | Method for manufacturing cone-shaped glue-free secondary coil based on wet forming process and coil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110379617A (en) * | 2019-07-03 | 2019-10-25 | 西北核技术研究院 | A kind of production method and the coil of self-adhesion cone cell high voltage second coil |
| CN111341555A (en) * | 2020-03-28 | 2020-06-26 | 潍坊汇胜绝缘技术有限公司 | Method for manufacturing conical coil of transformer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379617A (en) * | 2019-07-03 | 2019-10-25 | 西北核技术研究院 | A kind of production method and the coil of self-adhesion cone cell high voltage second coil |
| CN111341555A (en) * | 2020-03-28 | 2020-06-26 | 潍坊汇胜绝缘技术有限公司 | Method for manufacturing conical coil of transformer |
| CN111341555B (en) * | 2020-03-28 | 2021-09-24 | 潍坊汇胜绝缘技术有限公司 | Method for manufacturing conical coil of transformer |
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| CN109950040B (en) | 2021-01-05 |
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