CN203760100U - High voltage-resisting rectangular flat copper stranded conductor - Google Patents
High voltage-resisting rectangular flat copper stranded conductor Download PDFInfo
- Publication number
- CN203760100U CN203760100U CN201420039338.3U CN201420039338U CN203760100U CN 203760100 U CN203760100 U CN 203760100U CN 201420039338 U CN201420039338 U CN 201420039338U CN 203760100 U CN203760100 U CN 203760100U
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- stranded conductor
- copper stranded
- copper
- high pressure
- strands
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Abstract
The utility model discloses a high voltage-resisting rectangular flat copper stranded conductor, which comprises a plurality of copper stranded conductor strands (1) with a rectangular section formed through flattening after beaming or concentric-type compound stranding. The plurality of copper stranded conductor strands (1) are coated with an insulation layer (2); each copper stranded conductor strand (1) is formed by single copper wires (11) through beaming or concentric-type compound stranding; the number of the plurality of copper stranded conductor strands (1) is 1+3n(n-1), and n is a natural number larger than 1; and the insulation layer (2) is formed by at least one layer of Nomex paper. The high voltage-resisting rectangular flat copper stranded conductor has the advantages that performance of winding wire can be improved, the high-voltage motor body is reduced, flexibility is good, bending force in the case of winding is small, the surface is not likely to crack in the case of small bending radius, and bending is convenient and labor-saving.
Description
Technical field
The utility model relates to cable field, is specifically related to the high pressure resistant rectangle flattening copper stranded conductor that a kind of high-voltage motor is used.
Background technology
At present, the winding wire of various high-voltage motors adopts copper strap wire material, when coiling, bending force is very large, in bending radius, hour easily cause face checking especially, heavy in section lenticular wire bending is more difficult, affect the performance of winding wire, and cannot reduce the fuselage of high-voltage motor, caused high-voltage motor fuselage larger.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of performance that can improve winding wire, reduce that fuselage, the pliability of high-voltage motor are good, bending force is little during coiling, bending radius hour surface is difficult for cracking, a crooked convenient and strength-saving high pressure resistant rectangle flattens copper stranded conductor.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of high pressure resistant rectangle flattens copper stranded conductor, comprise by bundle system or concentric type and twist again by flattening and process many copper stranded conductor strands that make its rectangular structure in cross section, the outer wrap of described many copper stranded conductor strands has insulating barrier, and described copper stranded conductor strand (1) is twisted and forms again by copper filament tow system or concentric type.
Further, the quantity of described many copper stranded conductor strands is 1+3n(n-1), wherein n is greater than 1 natural number.
Further, described insulating barrier is comprised of one deck Nomex paper at least.
Further, total cross-sectional area of described copper stranded conductor strand is less than 16mm
2.
High pressure resistant rectangle of the present utility model flattens copper stranded conductor and has following advantage: the utility model comprises by bundle system or concentric type and twists again many copper stranded conductor strands that make its rectangular structure in cross section by flattening processing, the outer wrap of many copper stranded conductor strands has insulating barrier, described copper stranded conductor strand is twisted and forms again by copper filament tow system or concentric type, after many copper stranded conductor strand bundle systems or concentric type twist again by flattening, can make the filling rate of conductor reach more than 80%, therefore make pliability of the present utility model good, and the outer wrap of many copper stranded conductor strands has insulating barrier, can booster dielectric strength, be applicable to the winding requirement of various high-voltage motors, and can prevent that a bending radius hour surface is difficult for cracking, can improve the performance of winding wire, reduce the fuselage of high-voltage motor, there is pliability good, during coiling, bending force is little, a bending radius hour surface is difficult for cracking, crooked convenient and strength-saving advantage.
Accompanying drawing explanation
Fig. 1 is the broken section structural representation of the utility model embodiment.
Fig. 2 is the cross-sectional view of copper stranded conductor strand in the utility model embodiment (not flattening before processing).
Marginal data: 1, copper stranded conductor strand; 11, copper monofilament; 2, insulating barrier.
Embodiment
As depicted in figs. 1 and 2, the high pressure resistant rectangle of the present embodiment flattens copper stranded conductor and comprises by bundle system or concentric type and twist again many copper stranded conductor strands 1 that make its rectangular structure in cross section by flattening processing, the outer wrap of many copper stranded conductor strands 1 has insulating barrier 2, copper stranded conductor strand 1 is twisted and forms again by copper monofilament 11 bundle systems or concentric type, after many copper stranded conductor strands 1 bundle system or concentric type twist again by flattening, annealing in process makes the rectangular structure in its cross section, can improve the filling rate (reaching more than 80%) of conductor, therefore make the pliability of high pressure resistant rectangle flattening copper stranded conductor good, and the outer wrap of many copper stranded conductor strands 1 has insulating barrier 2, can booster dielectric strength, be applicable to the winding requirement of various high-voltage motors, and can prevent that a bending radius hour surface is difficult for cracking, can improve the performance of winding wire, reduce the fuselage of high-voltage motor, there is pliability good, during coiling, bending force is little, a bending radius hour surface is difficult for cracking, crooked convenient and strength-saving advantage.
In the present embodiment, the quantity of many copper stranded conductor strands 1 is 1+3n(n-1), wherein n is greater than 1 natural number, such as value, is 2,3,4 etc.When n value is 2, the quantity of many copper stranded conductor strands 1 is 7; When n value is 3, the quantity of many copper stranded conductor strands 1 is 19; The like.
As everyone knows, the value of concentric type circle twisted wire filling rate be conductor area divided by cylindrical area, have formula (1).
（1）
In formula (1), represent concentric type circle twisted wire filling rate; D represents the diameter of copper stranded conductor strand 1, and n is greater than 1 natural number, and the quantity of many copper stranded conductor strands 1 is 1+3n(n-1).During according to formula (1) n=2, maximum is 77.78%, and its limit minimum value is 75%.And the present embodiment makes the rectangular structure in its cross section by many copper stranded conductor strands 1 are flattened to process, thereby the filling rate of conductor can be reached more than 80%.
As shown in Figure 1, in the present embodiment, the concrete value of n is 3, and the high pressure resistant rectangle of the present embodiment flattens copper stranded conductor and by 19 copper stranded conductor strands 1, adopts concentric type to twist again (also can adopt as required bundle system) to make.As shown in Figure 2, in the present embodiment, copper stranded conductor strand 1 twists again (also can adopt as required bundle system) by 19 copper monofilament 11 concentric types and forms.In the present embodiment, total cross-sectional area of copper stranded conductor strand 1 is less than 16mm
2.Thereby can guarantee that copper stranded conductor strand 1 both can prevent that a bending radius hour surface is difficult for cracking, can guarantee that again high pressure resistant rectangle flattens the bending property of copper stranded conductor.
In the present embodiment, insulating barrier 2 is comprised of one deck Nomex paper at least.In addition, insulating barrier 2 also can adopt other insulating material preparations as required.
The course of processing of the present embodiment is as follows: (1) is twisted many copper filament tow systems or concentric type again and formed copper stranded conductor strand 1, and the total cross section of copper stranded conductor strand 1 is less than 16mm
2; (2) by 1+3n(n-1) root copper stranded conductor strand 1 concentric type twists again, and then flatten technique and make the rectangular structure in its cross section, wrapped Nomex paper again after then annealing, the high pressure resistant rectangle that obtains the present embodiment flattens copper stranded conductor.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. a high pressure resistant rectangle flattens copper stranded conductor, it is characterized in that: comprise by bundle system or concentric type and twist again by flattening and process the many copper stranded conductor strands (1) that make its rectangular structure in cross section, the outer wrap of described many copper stranded conductor strands (1) has insulating barrier (2), and described copper stranded conductor strand (1) is twisted and forms again by copper monofilament (11) bundle system or concentric type.
2. high pressure resistant rectangle according to claim 1 flattens copper stranded conductor, it is characterized in that: the quantity of described many copper stranded conductor strands (1) is 1+3n (n-1), and wherein n is greater than 1 natural number.
3. high pressure resistant rectangle according to claim 2 flattens copper stranded conductor, it is characterized in that: described insulating barrier (2) is comprised of one deck Nomex paper at least.
4. according to the high pressure resistant rectangle described in claim 1 or 2 or 3, flatten copper stranded conductor, it is characterized in that: total cross-sectional area of described copper stranded conductor strand (1) is less than 16mm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420039338.3U CN203760100U (en) | 2014-01-22 | 2014-01-22 | High voltage-resisting rectangular flat copper stranded conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420039338.3U CN203760100U (en) | 2014-01-22 | 2014-01-22 | High voltage-resisting rectangular flat copper stranded conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760100U true CN203760100U (en) | 2014-08-06 |
Family
ID=51255346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420039338.3U Expired - Fee Related CN203760100U (en) | 2014-01-22 | 2014-01-22 | High voltage-resisting rectangular flat copper stranded conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767860A (en) * | 2019-01-28 | 2019-05-17 | 东莞中子科学中心 | A kind of medium-high frequency electrically with twisting formula litz wire, production method and producing device again |
-
2014
- 2014-01-22 CN CN201420039338.3U patent/CN203760100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767860A (en) * | 2019-01-28 | 2019-05-17 | 东莞中子科学中心 | A kind of medium-high frequency electrically with twisting formula litz wire, production method and producing device again |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20200122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |