CN209657840U - A kind of wrapped sintering copper flat wire of ultrathin type dual-polyester glass fiber - Google Patents
A kind of wrapped sintering copper flat wire of ultrathin type dual-polyester glass fiber Download PDFInfo
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- CN209657840U CN209657840U CN201920688122.2U CN201920688122U CN209657840U CN 209657840 U CN209657840 U CN 209657840U CN 201920688122 U CN201920688122 U CN 201920688122U CN 209657840 U CN209657840 U CN 209657840U
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Abstract
The utility model discloses a kind of wrapped sintering copper flat wires of ultrathin dual-polyester glass fiber, belong to electromagnetism winding wire field, it from the inside to the outside successively include copper conductor, corona-resistant polyimide film, first dacron glass yarn layer and the second dacron glass yarn layer, the terylene tow one and one alternate intervals of glass fiber tow and clearance-type of first dacron glass yarn layer are spirally wound on the outside of corona-resistant polyimide film, the terylene tow two and two alternate intervals of glass fiber tow and close-coupled of second dacron glass yarn layer are spirally wound on the outside of the first dacron glass yarn layer, the winding direction of second dacron glass yarn layer is opposite with the winding direction of the first dacron glass yarn layer.The utility model thermal diffusivity is preferable, thinner thickness, can provide the protection effect preferably to copper conductor.
Description
Technical field
The utility model relates to electromagnetism winding wire fields, are specifically related to a kind of wrapped sintering of ultrathin dual-polyester glass fiber
Copper strap wire.
Background technique
Nowadays, China greatly develops water power industry, and hydro-generating Unit needs special high-performance electric magnet-wire coiling
It forms, this electromagnetic wire needs preferable high temperature resistance, and ultra-thin insulation thickness, high proof voltage requires and very strong machinery
Characteristic, such sintering line of traditional forms of enterprises's production, most of that there is performances is unstable, sintering is insecure, tensile strength is small
The shortcomings that, it is impossible to meet the requirements of hydro-generating Unit.
Currently, disclosing a kind of ultrathin dual-polyester glass fiber in the patent that Authorization Notice No. is 201788738 U of CN
Packet sintering copper flat wire is wrapped, is surrounded with two layers of insulation as made of dacron thread and the twisted sintering of glass filament in copper conductor periphery
Layer, glass fiber high temperature resistant, non-ignitable, tensile strength is high, and electrical insulating property is good, but its wearability is insufficient, and property is crisp；The intensity of dacron thread,
Heat resistance, electrical insulating property, elasticity, wearability are all preferable.Glass fiber is mixed with dacron thread, and the elasticity of dacron thread can be relieved glass fiber
The brittleness of place level, the wear-resisting property of level where can improving glass fiber, level where glass fiber can promote dacron thread resist
Draw performance.So that properties of product are stablized, after product broadside and narrow side are done the bending of S type insulating layer without cracking and obscission, around
Pack tightly close, securely, insulating layer is still intact after stretching 20% to be retained on conductor, and insulating surface is smoothly existing without fluffing for sintering
As solid colour.But there are the following problems for it: after terylene and glass fiber are twisted again on copper conductor, the insulation of formation
Easily occur subtle gap on layer, is unfavorable for the protection of copper conductor；Terylene is mixed by the way of twisted with glass fiber, so that single
The thickness of layer insulating is equal to the sum of dacron thread and the thickness of glass fiber, then integral insulation layer is equivalent to the thickness of four layers of fibre bundle
Degree, is unfavorable for producing extra-thin copper strap wire.
Utility model content
1. technical problems to be solved
The technical problem to be solved by the present invention is to provide a kind of wrapped sintered copper of ultrathin dual-polyester glass fiber is flat
Line, thinner thickness can provide the protection effect preferably to copper conductor.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme:
A kind of ultrathin type dual-polyester glass fiber wrapped sintering copper flat wire, copper conductor including flat and is wrapped in outside copper conductor
The insulating layer of side, the insulating layer are dacron glass yarn wrapping layer；One layer of Inverter fed motor is equipped between the copper conductor and insulating layer
Kapton, the insulating layer include the first dacron glass yarn layer being located on the outside of corona-resistant polyimide film and are located at
The second dacron glass yarn layer on the outside of first dacron glass yarn layer, the first dacron glass yarn layer include terylene tow one and glass
It is sub- that glass silk tow one, the terylene tow one and one alternate intervals of glass fiber tow and clearance-type are spirally wound on Inverter fed motor polyamides
Amine film outside；The second dacron glass yarn layer includes terylene tow two and glass fiber tow two, two He of terylene tow
Two alternate intervals of glass fiber tow and close-coupled are spirally wound on the outside of the first dacron glass yarn layer, second dacron glass yarn
The winding direction of layer is opposite with the winding direction of the first dacron glass yarn layer.
Further, the corona-resistant polyimide film is made using the polyimide material of hydrolyzable class.It can benefit
With the raw material dianhydride and diamines of basic hydrolysis recycling polyimides, in this way, in copper strap wire recycling, it can be by the method by resistance to electricity
Dizzy Kapton is removed from copper conductor surface well, thus can be preferably while recycling is conducive to polyimides raw material
Recycling copper conductor.
Further, the terylene tow one, glass fiber tow one, terylene tow two and glass fiber tow two are in flat
Shape, and the terylene tow one is equal with the thickness of glass fiber tow one, the thickness of the terylene tow two and glass fiber tow two
It spends equal.Thickness is arranged so that the thickness of the first dacron glass yarn layer and the second dacron glass yarn layer is balanced, so that copper is flat
The appearance of line it is neat degree preferably, and in flat terylene tow and glass fiber tow can make the first dacron glass yarn layer to be formed and
The thinner thickness of second dacron glass yarn layer.
Further, the terylene tow one is equal with the width of glass fiber tow one, the terylene tow two and glass
The width of silk tow two is equal.In this way, may advantageously facilitate the harmony of the structure of insulating layer, while being also convenient for terylene tow
With winding of the glass fiber tow on copper strap wire.
Further, the corona-resistant polyimide film of the gap location between the terylene tow one and glass fiber tow one
One layer of boron nitride coating of upper coating, the thickness of the thickness of the boron nitride coating less than the first dacron glass yarn layer.Boron nitride is
Heat resistance and the excellent insulating materials of antiseptic property, also have ageing-resistant, resistance to smog, organic solvent-resistant and anti-wear, shock resistance,
The advantages that water-resistance is good can promote the correlated performance of copper strap wire, not will increase the thickness of copper strap wire also.
3. beneficial effect
The utility model successively includes copper conductor, corona-resistant polyimide film, the first dacron glass yarn layer from the inside to the outside
With the second dacron glass yarn layer.Corona-resistant polyimide has excellent mechanical property, electric property, heat resistance and radiation resistance
Can, it is coated on copper conductor surface in membrane form, is less prone to subtle gap, can preferably protect copper conductor；First washs
The terylene tow one and one alternate intervals of glass fiber tow and clearance-type of synthetic fibre glass fiber layer are spirally wound on corona-resistant polyimide
Film outside, the terylene tow two and two alternate intervals of glass fiber tow and close-coupled of the second dacron glass yarn layer are spirally wound on
On the outside of first dacron glass yarn layer, setting is so that two layers of dacron glass yarn layer all only has the thickness of single layer dacron thread or glass fiber in this way
Degree, so that the thickness of insulating layer significantly reduces, is conducive to produce extra-thin copper strap wire；And terylene tow one and glass fiber tow
Gap location between one forms spiral cavity, and at any truncation surface of copper strap wire, which can be in communication with the outside, and has
Conducive to the heat dissipation for promoting copper strap wire；It can also be arranged in the cavity that gap location between terylene tow one and glass fiber tow one is formed
Thickness is not more than the other materials of the first dacron glass yarn layer, to promote the correlated performance of copper strap wire；Second dacron glass yarn layer
Winding direction and the first dacron glass yarn layer winding direction on the contrary, can make insulating layer consolidation on copper conductor, together
When also help promoted the second dacron glass yarn layer contacted with the homogenization of the first dacron glass yarn layer, to can promote copper strap wire
Whole uniformity.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of 21 place level of the first dacron glass yarn layer；
Fig. 3 is the structural schematic diagram of 22 place level of the second dacron glass yarn layer.
Appended drawing reference: 1- copper conductor, 2- insulating layer, 21- the first dacron glass yarn layer, 211- terylene tow one, 212- glass
Glass silk tow one, 22- the second dacron glass yarn layer, 221- terylene tow two, 222- glass fiber tow two, 3- Inverter fed motor polyamides are sub-
Amine film, 4- boron nitride coating.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment
The wrapped sintering copper flat wire of a kind of ultrathin dual-polyester glass fiber as shown in Figure 1, copper conductor 1 and packet including flat
It is wrapped in the insulating layer 2 in 1 outside of copper conductor, the insulating layer 2 is dacron glass yarn wrapping layer；The copper conductor 1 and insulating layer 2 it
Between be equipped with one layer of corona-resistant polyimide film 3, the insulating layer 2 includes positioned at the of the outside of corona-resistant polyimide film 3
One dacron glass yarn layer 21 and the second dacron glass yarn layer 22 on the outside of the first dacron glass yarn layer 21, as shown in Fig. 2, institute
It states the first dacron glass yarn layer 21 and includes terylene tow 1 and glass fiber tow 1, the terylene tow 1 and glass
One 212 alternate intervals of glass silk tow and clearance-type are spirally wound on 3 outside of corona-resistant polyimide film；As shown in figure 3, described
Second dacron glass yarn layer 22 includes terylene tow 2 221 and glass fiber tow 2 222, the terylene tow 2 221 and glass
Silk 2 222 alternate intervals of tow and close-coupled are spirally wound on 21 outside of the first dacron glass yarn layer, the second terylene glass
Silk layer 22 winding direction and the first dacron glass yarn layer 21 winding direction on the contrary, can make 2 consolidation of insulating layer around copper
On conductor 1, while also helping the second dacron glass yarn layer 22 of promotion and being contacted with the homogenization of the first dacron glass yarn layer 21, from
And it can promote the uniformity of copper strap wire entirety.
In the present embodiment, the corona-resistant polyimide film 3 is made using the polyimide material of hydrolyzable class.It can
With the raw material dianhydride and diamines of utilization basic hydrolysis recycling polyimides, in this way, can be incited somebody to action by the method in copper strap wire recycling
Corona-resistant polyimide film 3 is well from 1 sur-face peeling of copper conductor, thus while recycling is conducive to polyimides raw material
Copper conductor 1 can preferably be recycled.
In the present embodiment, the terylene tow 1, glass fiber tow 1, terylene tow 2 221 and glass fiber
Tow 2 222 is in flat, and the terylene tow 1 is equal with the thickness of glass fiber tow 1, the terylene tow
2 221 is equal with the thickness of glass fiber tow 2 222.Thickness is arranged so that the first dacron glass yarn layer 21 and the second terylene glass
The thickness of silk layer 22 is balanced, so that the neat degree of the appearance of copper strap wire is preferably, and is in the terylene tow and glass fiber silk of flat
Beam can make the thinner thickness for the first dacron glass yarn layer 21 and the second dacron glass yarn layer 22 to be formed.
In the present embodiment, the terylene tow 1 is equal with the width of glass fiber tow 1, the dacron thread
Beam 2 221 is equal with the width of glass fiber tow 2 222.In this way, may advantageously facilitate the harmony of the structure of insulating layer 2,
It is also convenient for the winding of terylene tow and glass fiber tow on copper strap wire simultaneously.
In the present embodiment, as shown in Fig. 2, gap location between the terylene tow 1 and glass fiber tow 1
Corona-resistant polyimide film 3 on coat one layer of boron nitride coating 4, the thickness of the boron nitride coating 4 is less than the first terylene
The thickness of glass fiber layer 21.Boron nitride is heat resistance and the excellent insulating materials of antiseptic property, also have ageing-resistant, resistance to smog,
The advantages that organic solvent-resistant and anti-wear, shock resistance, good water-resistance, the correlated performance of copper strap wire can be promoted, not will increase copper also
The thickness of flat wire.The coating method of boron nitride coating can are as follows: after the first dacron glass yarn layer is wrapped on copper strap wire, first with every
Film is coated on terylene tow 1 and glass fiber tow 1, and expose terylene tow 1 and glass fiber tow 1 it
Between gap, boron nitride coating 4 is then sprayed on the interstitial site, is finally peeled away diaphragm.
The specific action principle of the wrapped sintering copper flat wire of above-mentioned ultrathin type dual-polyester glass fiber are as follows:
Corona-resistant polyimide has excellent mechanical property, electric property, heat resistance and radiation resistance, with film
Form is coated on copper conductor surface, is less prone to subtle gap, can preferably protect copper conductor 1；First dacron glass yarn layer
It is thin that 21 terylene tow 1 and one 212 alternate intervals of glass fiber tow and clearance-type is spirally wound on corona-resistant polyimide
3 outside of film, the terylene tow 2 221 and 2 222 alternate intervals of glass fiber tow and close-coupled spiral shell of the second dacron glass yarn layer 22
Rotation be wrapped in the outside of the first dacron glass yarn layer 21, in this way setting so that two layers of dacron glass yarn layer all only single layer dacron thread or
The thickness of glass fiber is conducive to produce extra-thin copper strap wire so that the thickness of insulating layer 2 significantly reduces.In addition, terylene tow
Gap location between one 211 and glass fiber tow 1 forms spiral cavity, should at any truncation surface of copper strap wire
Cavity can be in communication with the outside, and may advantageously facilitate the heat dissipation of copper strap wire；Between terylene tow 1 and glass fiber tow 1
Gap location formed cavity in can also be arranged thickness be not more than the first dacron glass yarn layer 21 other materials, it is flat to promote copper
The correlated performance of line.Corona-resistant polyimide film 3, the first dacron glass yarn layer 21 and the second dacron glass yarn layer 22 can be adopted
It is coated on copper conductor 1 with wire rod winding machine.
As shown in the above, the thermal diffusivity of the utility model is preferable, thinner thickness, can provide preferably to copper conductor 1
Protection effect.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate that this is practical new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Variation, the modification of embodiment will all be fallen in the scope of the claims of the utility model.
Claims (5)
1. a kind of ultrathin type dual-polyester glass fiber wrapped sintering copper flat wire, copper conductor (1) including flat and it is wrapped in copper conductor
(1) insulating layer (2) on the outside of, the insulating layer (2) are dacron glass yarn wrapping layer；It is characterized in that, the copper conductor (1) and
One layer of corona-resistant polyimide film (3) is equipped between insulating layer (2), the insulating layer (2) includes being located at Inverter fed motor polyamides Asia
The first dacron glass yarn layer (21) on the outside of amine film (3) and the second terylene glass on the outside of the first dacron glass yarn layer (21)
Glass silk layer (22), the first dacron glass yarn layer (21) include terylene tow one (211) and glass fiber tow one (212), institute
It states terylene tow one (211) and glass fiber tow one (212) alternate intervals and clearance-type is spirally wound on corona-resistant polyimide
On the outside of film (3)；The second dacron glass yarn layer (22) includes terylene tow two (221) and glass fiber tow two (222), institute
It states terylene tow two (221) and glass fiber tow two (222) alternate intervals and close-coupled is spirally wound on the first dacron glass yarn
On the outside of layer (21), the winding direction of the winding direction of the second dacron glass yarn layer (22) and the first dacron glass yarn layer (21)
On the contrary.
2. a kind of wrapped sintering copper flat wire of ultrathin dual-polyester glass fiber according to claim 1, which is characterized in that described
Corona-resistant polyimide film (3) is made using the polyimide material of hydrolyzable class.
3. a kind of wrapped sintering copper flat wire of ultrathin dual-polyester glass fiber according to claim 1, which is characterized in that described
Terylene tow one (211), glass fiber tow one (212), terylene tow two (221) and glass fiber tow two (222) are in flat,
And the thickness of the terylene tow one (211) and glass fiber tow one (212) is equal, the terylene tow two (221) and glass
The thickness of silk tow two (222) is equal.
4. a kind of wrapped sintering copper flat wire of ultrathin dual-polyester glass fiber according to claim 3, which is characterized in that described
The width of terylene tow one (211) and glass fiber tow one (212) is equal, the terylene tow two (221) and glass fiber tow
The width of two (222) is equal.
5. a kind of wrapped sintering copper flat wire of ultrathin dual-polyester glass fiber according to any one of claims 1 to 4, feature
It is, the corona-resistant polyimide film of the gap location between the terylene tow one (211) and glass fiber tow one (212)
(3) one layer of boron nitride coating (4) is coated on, the thickness of the boron nitride coating (4) is less than the first dacron glass yarn layer (21)
Thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688122.2U CN209657840U (en) | 2019-05-15 | 2019-05-15 | A kind of wrapped sintering copper flat wire of ultrathin type dual-polyester glass fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688122.2U CN209657840U (en) | 2019-05-15 | 2019-05-15 | A kind of wrapped sintering copper flat wire of ultrathin type dual-polyester glass fiber |
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| Publication Number | Publication Date |
|---|---|
| CN209657840U true CN209657840U (en) | 2019-11-19 |
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|---|---|---|---|
| CN201920688122.2U Expired - Fee Related CN209657840U (en) | 2019-05-15 | 2019-05-15 | A kind of wrapped sintering copper flat wire of ultrathin type dual-polyester glass fiber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242314A (en) * | 2021-12-08 | 2022-03-25 | 苏州贯龙电磁线有限公司 | Polyester glass fiber covered wire and manufacturing method thereof |
| EP4261849A1 (en) * | 2022-04-15 | 2023-10-18 | hpw Metallwerk GmbH | Busbar |
-
2019
- 2019-05-15 CN CN201920688122.2U patent/CN209657840U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242314A (en) * | 2021-12-08 | 2022-03-25 | 苏州贯龙电磁线有限公司 | Polyester glass fiber covered wire and manufacturing method thereof |
| CN114242314B (en) * | 2021-12-08 | 2024-06-18 | 苏州贯龙电磁线有限公司 | Polyester glass fiber covered wire and manufacturing method thereof |
| EP4261849A1 (en) * | 2022-04-15 | 2023-10-18 | hpw Metallwerk GmbH | Busbar |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |