CN110675989A - Preparation method of winding wire for high-performance extra-high voltage power transmission and transformation product - Google Patents
Preparation method of winding wire for high-performance extra-high voltage power transmission and transformation product Download PDFInfo
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- CN110675989A CN110675989A CN201910942398.3A CN201910942398A CN110675989A CN 110675989 A CN110675989 A CN 110675989A CN 201910942398 A CN201910942398 A CN 201910942398A CN 110675989 A CN110675989 A CN 110675989A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/10—Insulating conductors or cables by longitudinal lapping
- H01B13/106—Insulating conductors or cables by longitudinal lapping the conductor having a rectangular cross-section
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a preparation method of a winding conductor for a high-performance extra-high voltage power transmission and transformation product, which relates to the technical field of winding conductor production and comprises the following steps: step A: preparing materials, and step B: c, manufacturing a copper flat wire, and step C: preparing a polyimide-fluorine 46 composite film layer, and step D: sintering and step E: and (6) wrapping. According to the invention, the copper flat wire and the polyimide-fluorine 46 composite film layer are sintered at high temperature, and the double-layer glass fiber yarn is arranged outside the composite film, so that the winding lead has the effects of high corona resistance, high heat conductivity, high and low temperature resistance, radiation resistance and excellent electrical performance.
Description
Technical Field
The invention relates to the technical field of winding conductor production, in particular to a preparation method of a winding conductor for a high-performance extra-high voltage power transmission and transformation product.
Background
In the twenty-first century, the nation advocates energy conservation and emission reduction vigorously, and adopts new materials, new processes and new technologies to achieve the purposes of environmental friendliness and resource conservation. The wire is used as a carrier for transmitting power and is always the core content of the design of a power transmission line, but a common winding wire can only be used for winding a conventional transformer, a reactor and a motor coil, insulating materials such as insulating paper, a thin film, a braided belt and the like are directly coated on the surface of a conductor in a wrapping mode, firm bonding force is not established between the conductor and an insulating layer, and the wire cannot be suitable for high-performance ultrahigh-voltage power transmission and transformation products.
Therefore, it is necessary to invent a method for preparing a winding wire for high-performance ultra-high voltage power transmission and transformation products to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of a winding wire for a high-performance extra-high voltage power transmission and transformation product, which solves the problems that the common winding wire can only be used for winding conventional transformers, reactors and motor coils, insulating paper, films, braided belts and the like are directly coated on the surface of a conductor in a wrapping mode, firm bonding force is not established between the conductor and the insulating layer, and the high-performance extra-high voltage power transmission and transformation product cannot be suitable.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a preparation method of a winding wire for a high-performance extra-high voltage power transmission and transformation product comprises the following steps:
step A: preparing materials: selecting an electrician round copper rod as a base material, cleaning the selected electrician round copper rod to remove oil stains on the surface of the electrician round copper rod, and drying the cleaned electrician round copper rod to obtain a dried electrician round copper rod;
and B: manufacturing a copper flat wire: extruding an electrician round copper rod through an extruder to form a copper flat wire, cleaning and cooling the copper flat wire by using circulating water, drying the copper flat wire by using hot air, and rolling the copper flat wire to obtain a dried copper flat wire;
and C: preparing a polyimide-fluorine 46 composite film layer: firstly, slurry formed by mixing ethylene propylene fluoride and nano silicon dioxide is attached to a polyimide film through a sizing machine, and the polyimide-fluorine 46 composite film layer can be prepared through high-temperature sintering;
step D: and (3) sintering: wrapping the polyimide-fluorine 46 composite film layer prepared in the step C on the copper flat wire prepared in the step B, and finally sintering at high frequency to enable the surface of the copper conductor and the polyimide-F46 film to be adhered together to obtain a sintered copper flat wire;
step E: wrapping: and D, coating the sintered copper flat wire prepared in the step D with a glass fiber silk front and back double layer, and rolling to obtain the winding lead.
Optionally, the components of the electrical round copper rod in the step a include copper and trace alloy elements, and the copper is high-purity copper.
Optionally, the extrusion temperature of the extruder in the step B is 380-420 ℃.
Optionally, the sintering temperature in the step C is 355-375 ℃.
Optionally, the sintering temperature in the step D is 360-380 ℃.
Optionally, the baking temperature in the step D is 180-220 ℃.
Optionally, the temperature of the circulating water of the extruder in the step B is 46-50 ℃, and the temperature of the circulating oil of the extruder in the step B is 32-38 ℃.
(III) advantageous effects
The invention provides a preparation method of a winding wire for a high-performance extra-high voltage power transmission and transformation product, which has the following beneficial effects:
according to the invention, the copper flat wire and the polyimide-fluorine 46 composite film layer are sintered at high temperature, and the double-layer glass fiber yarn is arranged outside the composite film, so that the winding lead has the effects of high corona resistance, high heat conductivity, high and low temperature resistance, radiation resistance and excellent electrical performance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a preparation method of a winding wire for a high-performance extra-high voltage power transmission and transformation product comprises the following steps:
step A: preparing materials: selecting an electrician round copper rod as a base material, cleaning the selected electrician round copper rod to remove oil stains on the surface of the electrician round copper rod, and drying the cleaned electrician round copper rod to obtain a dried electrician round copper rod;
and B: manufacturing a copper flat wire: extruding an electrician round copper rod through an extruder to form a copper flat wire, and cleaning, cold cutting and hot air drying the copper flat wire to obtain a dry copper flat wire;
and C: preparing a polyimide-fluorine 46 composite film layer: firstly, slurry formed by mixing ethylene propylene fluoride and nano silicon dioxide is attached to a polyimide film through a sizing machine, and a polyimide-fluorine 46 composite film layer can be prepared through high-temperature sintering;
step D: and (3) sintering: wrapping the polyimide-fluorine 46 composite film layer prepared in the step C on the copper flat wire prepared in the step B, and finally, sintering at high frequency to enable the surface of the copper conductor and the polyimide-F46 film to be tightly adhered together to obtain a sintered copper flat wire;
step E: wrapping: and D, performing double-layer coating on the front side and the back side of the sintered copper flat wire prepared in the step D by using glass fiber yarns, naturally cooling and rolling the glass fiber yarns to obtain the winding wire.
As an optional technical scheme of the invention:
the components of the electrical round copper rod in the step A comprise copper and trace alloy elements, wherein the copper is high-purity copper.
As an optional technical scheme of the invention:
the extrusion temperature of the extruder in step B was 380 ℃.
As an optional technical scheme of the invention:
the sintering temperature in step C was 355 ℃.
As an optional technical scheme of the invention:
the sintering temperature in step D was 360 ℃.
As an optional technical scheme of the invention:
the baking temperature in step D was 180 ℃ and the cold water temperature in step D was 17 ℃.
As an optional technical scheme of the invention:
the temperature of the circulating water of the extruder in the step B is 46 ℃, and the temperature of the circulating oil of the extruder in the step B is 32 ℃.
Example 2:
a preparation method of a winding wire for a high-performance extra-high voltage power transmission and transformation product comprises the following steps:
step A: preparing materials: selecting an electrician round copper rod as a base material, cleaning the selected electrician round copper rod to remove oil stains on the surface of the electrician round copper rod, and drying the cleaned electrician round copper rod to obtain a dried electrician round copper rod;
and B: manufacturing a copper flat wire: extruding an electrician round copper rod through an extruder to form a copper flat wire, cleaning the copper flat wire, and drying the copper flat wire by hot air to obtain a dry copper flat wire;
and C: preparing a polyimide-fluorine 46 composite film layer: firstly, slurry formed by mixing ethylene propylene fluoride and nano silicon dioxide is attached to a polyimide film through a sizing machine, and a polyimide-fluorine 46 composite film layer can be prepared through high-temperature sintering;
step D: and (3) sintering: wrapping the polyimide-fluorine 46 composite film layer prepared in the step C on the copper flat wire prepared in the step B, and finally, sintering at high frequency to enable the surface of the copper conductor and the polyimide-F46 film to be adhered together to obtain a sintered copper flat wire;
step E: wrapping: and D, wrapping the sintered copper flat wire prepared in the step D with a glass fiber double-layer front and back surface and winding to obtain the winding lead.
As an optional technical scheme of the invention:
the components of the electrical round copper rod in the step A comprise copper and trace alloy elements, wherein the copper is high-purity copper.
As an optional technical scheme of the invention:
the extrusion temperature of the extruder in step B was 400 ℃.
As an optional technical scheme of the invention:
the sintering temperature in step C was 365 ℃.
As an optional technical scheme of the invention:
the sintering temperature in step D was 370 ℃.
As an optional technical scheme of the invention:
the baking temperature in the step D is 200 ℃, and the cold water temperature in the step D is 20 ℃.
As an optional technical scheme of the invention:
the temperature of the circulating water of the extruder in the step B is 48 ℃, and the temperature of the circulating oil of the extruder in the step B is 35 ℃.
Example 3:
a preparation method of a winding wire for a high-performance extra-high voltage power transmission and transformation product comprises the following steps:
step A: preparing materials: selecting an electrician round copper rod as a base material, cleaning the selected electrician round copper rod to remove oil stains on the surface of the electrician round copper rod, and drying the cleaned electrician round copper rod to obtain a dried electrician round copper rod;
and B: manufacturing a copper flat wire: extruding an electrician round copper rod through an extruder to form a copper flat wire, cleaning the copper flat wire, and drying the copper flat wire by hot air to obtain a dry copper flat wire;
and C: preparing a polyimide-fluorine 46 composite film layer: firstly, slurry formed by mixing ethylene propylene fluoride and nano silicon dioxide is attached to a polyimide film through a sizing machine, and a polyimide-fluorine 46 composite film layer can be prepared through high-temperature sintering;
step D: and (3) sintering: wrapping the polyimide-fluorine 46 composite film layer prepared in the step C on the copper flat wire prepared in the step B, and finally, sintering at high frequency to enable the surface of the copper conductor and the polyimide-F46 film to be adhered together to obtain a sintered copper flat wire;
step E: wrapping: and D, coating the sintered copper flat wire prepared in the step D with glass fiber wires in a positive and negative mode, and rolling to obtain the winding lead.
As an optional technical scheme of the invention:
the components of the electrical round copper rod in the step A comprise copper and trace alloy elements, wherein the copper is high-purity copper.
As an optional technical scheme of the invention:
the extrusion temperature of the extruder in step B was 420 ℃.
As an optional technical scheme of the invention:
the sintering temperature in step C was 375 ℃.
As an optional technical scheme of the invention:
the sintering temperature in step D was 380 ℃.
As an optional technical scheme of the invention:
the baking temperature in step D was 220 ℃ and the cold water temperature in step D was 23 ℃.
As an optional technical scheme of the invention:
the temperature of the circulating water of the extruder in the step B is 50 ℃, and the temperature of the circulating oil of the extruder in the step B is 38 ℃.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A preparation method of a winding wire for a high-performance extra-high voltage power transmission and transformation product is characterized by comprising the following steps:
step A: preparing materials: selecting an electrician round copper rod as a base material, cleaning the selected electrician round copper rod to remove oil stains on the surface of the electrician round copper rod, and drying the cleaned electrician round copper rod to obtain a dried electrician round copper rod;
and B: manufacturing a copper flat wire: extruding an electrician round copper rod through an extruder to form a copper flat wire, and cleaning, cold cutting and hot air drying the copper flat wire to obtain a dry copper flat wire;
and C: preparing a polyimide-fluorine 46 composite film layer: firstly, slurry formed by mixing ethylene propylene fluoride and nano silicon dioxide is attached to a polyimide film through a sizing machine, and the polyimide-fluorine 46 composite film layer can be prepared through high-temperature sintering;
step D: and (3) sintering: wrapping the polyimide-fluorine 46 composite film layer prepared in the step C on the copper flat wire prepared in the step B, and finally, sintering at high frequency to enable the surface of the copper conductor and the polyimide-F46 film to be tightly adhered together to obtain a sintered copper flat wire;
step E: wrapping: and D, wrapping the sintered copper flat wire prepared in the step D with a glass fiber silk double-layer front and back coating and then rolling to obtain the winding lead.
2. The preparation method of the winding wire for the high-performance extra-high voltage power transmission and transformation product according to claim 1, characterized by comprising the following steps of:
the components of the electrical round copper rod in the step A comprise copper and trace alloy elements, wherein the copper is high-purity copper.
3. The preparation method of the winding wire for the high-performance extra-high voltage power transmission and transformation product according to claim 1, characterized by comprising the following steps of:
and the extrusion temperature of the extruder in the step B is 380-420 ℃.
4. The preparation method of the winding wire for the high-performance extra-high voltage power transmission and transformation product according to claim 1, characterized by comprising the following steps of:
and the sintering temperature in the step C is 355-375 ℃.
5. The preparation method of the winding wire for the high-performance extra-high voltage power transmission and transformation product according to claim 1, characterized by comprising the following steps of:
and D, the sintering temperature in the step D is 360-380 ℃.
6. The preparation method of the winding wire for the high-performance extra-high voltage power transmission and transformation product according to claim 1, characterized by comprising the following steps of:
the baking temperature in the step D is 180-220 ℃, and the temperature of the cold water in the step D is 17-23 ℃.
7. The preparation method of the winding wire for the high-performance extra-high voltage power transmission and transformation product according to claim 1, characterized by comprising the following steps of:
and B, circulating water temperature of the extruder in the step B is 46-50 ℃, and circulating oil temperature of the extruder in the step B is 32-38 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942398.3A CN110675989A (en) | 2019-09-30 | 2019-09-30 | Preparation method of winding wire for high-performance extra-high voltage power transmission and transformation product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910942398.3A CN110675989A (en) | 2019-09-30 | 2019-09-30 | Preparation method of winding wire for high-performance extra-high voltage power transmission and transformation product |
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| CN110675989A true CN110675989A (en) | 2020-01-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2601455A (en) * | 2020-08-24 | 2022-06-01 | Univ Jiangsu | Additive and subtractive manufacturing device and additive and subtractive composite manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273829A (en) * | 1979-08-30 | 1981-06-16 | Champlain Cable Corporation | Insulation system for wire and cable |
| CN101086909A (en) * | 2007-06-29 | 2007-12-12 | 江苏五洲电磁线有限公司 | Making method of high adhesive self-pasting dual-glass silk-covered film agglomerated copper flat line |
| CN102262934A (en) * | 2011-07-28 | 2011-11-30 | 江苏宝杰隆电磁线有限公司 | Composite film sintered flat aluminum line and production method thereof |
| CN102360604A (en) * | 2011-09-07 | 2012-02-22 | 江苏朗顺电工电气有限公司 | F46 composite film sintering aluminum flat wire and processing process thereof |
| CN104851485A (en) * | 2015-05-21 | 2015-08-19 | 苏州贯龙电磁线股份有限公司 | Sealed type water-resistant electromagnetic wire |
| CN204577136U (en) * | 2015-05-21 | 2015-08-19 | 苏州贯龙电磁线股份有限公司 | Closed type water-resistant magnet wire |
-
2019
- 2019-09-30 CN CN201910942398.3A patent/CN110675989A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273829A (en) * | 1979-08-30 | 1981-06-16 | Champlain Cable Corporation | Insulation system for wire and cable |
| CN101086909A (en) * | 2007-06-29 | 2007-12-12 | 江苏五洲电磁线有限公司 | Making method of high adhesive self-pasting dual-glass silk-covered film agglomerated copper flat line |
| CN102262934A (en) * | 2011-07-28 | 2011-11-30 | 江苏宝杰隆电磁线有限公司 | Composite film sintered flat aluminum line and production method thereof |
| CN102360604A (en) * | 2011-09-07 | 2012-02-22 | 江苏朗顺电工电气有限公司 | F46 composite film sintering aluminum flat wire and processing process thereof |
| CN104851485A (en) * | 2015-05-21 | 2015-08-19 | 苏州贯龙电磁线股份有限公司 | Sealed type water-resistant electromagnetic wire |
| CN204577136U (en) * | 2015-05-21 | 2015-08-19 | 苏州贯龙电磁线股份有限公司 | Closed type water-resistant magnet wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2601455A (en) * | 2020-08-24 | 2022-06-01 | Univ Jiangsu | Additive and subtractive manufacturing device and additive and subtractive composite manufacturing method |
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Application publication date: 20200110 |
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