CN102171771A - Electric insulated wire and coil - Google Patents
Electric insulated wire and coil Download PDFInfo
- Publication number
- CN102171771A CN102171771A CN2009801391781A CN200980139178A CN102171771A CN 102171771 A CN102171771 A CN 102171771A CN 2009801391781 A CN2009801391781 A CN 2009801391781A CN 200980139178 A CN200980139178 A CN 200980139178A CN 102171771 A CN102171771 A CN 102171771A
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- insulated electric
- insulation
- electric conductor
- coated
- wire
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
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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
- H01B13/08—Insulating conductors or cables by winding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0241—Disposition of insulation comprising one or more helical wrapped layers of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1855—Sheaths comprising helical wrapped non-metallic layers
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Provided are an electric insulated wire having an excellent high-frequency property and an excellent insulating property, and a coil. The electric insulated wire is comprised of an assembled wire (11) having a circular section formed by assembling seven enamel wires (4) having an noncircular section; and a first insulating coating (1) formed by winding an insulating tape around the outer periphery of the assembled wire (11) to bind the assembled wire (11). The electric insulated wire can reduce the high frequency loss in comparison with a single wire having the same sectional area, and can decrease the outer diameter thereof in comparison with a litz wire having the same sectional area. Further, the binding force for the assembled wire can be easily maintained by winding the insulating tape around the assembled wire, without twisting the assembled wire. Accordingly, the variation of the outer shape of the assembled wire can be reduced, and the insulation property can be improved.
Description
Technical field
The present invention relates to insulated electric conductor and coil, in more detail, relate to insulated electric conductor and coil with good high frequency characteristics and insulation characterisitic.
Background technology
Prior art, known have a kind of litz wire, it is characterized in that, is compressed into circle from the outside and makes on the enamelled wire periphery that closely contact forms mutually at the twisted line that will be made of many enamelled wires, is provided with and forms (for example, with reference to patent documentation 1) from fused layers.
The prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication hei 06-119825 communique
Summary of the invention
(inventing problem to be solved)
The litz wire of above-mentioned prior art has good high frequency characteristics.
But, will pass circular die and be compressed into circle by the twisted line that many enamelled wires constitute during fabrication from the outside, at this moment, the enamel-cover layer that is equivalent to outer peripheral face reduces the insulation characterisitic of outer peripheral face because of the friction with circular die damages.That is, there is the problem of insulation characterisitic in the litz wire of above-mentioned prior art.Therefore, be wound under the situation of coil, take place easily between spiral short circuit, be layer short circuit, reliability existing problems.In addition, though outer peripheral face be provided with from fused layers,, this can't ensure insulation characterisitic.
Therefore, the object of the present invention is to provide a kind of insulated electric conductor and coil with good high frequency characteristics and insulation characterisitic.
(technical scheme that is used for the technical solution problem)
In the 1st viewpoint, the invention provides a kind of insulated electric conductor, it is characterized in that possessing: the boundling line, assemble many cross section profiles and be non-circular enamelled wire and the global sections profile is rounded; And the 1st is insulation-coated, at the periphery coiling insulating tape of described boundling line so that the described boundling line of harness.
In the insulated electric conductor of above-mentioned the 1st viewpoint, the coiling insulating tape is so that harness boundling line and form the 1st insulation-coatedly, and it is non-circular enamelled wire and the global sections profile is rounded that this boundling line is assembled many cross section profiles.Make many enamelled wires pass circular die and be compressed into circle from the outside and make under the situation of boundling line, the enamel-cover layer that is equivalent to the outer peripheral face of boundling line damages because of the friction with circular die, and the insulation characterisitic of boundling line outer peripheral face is reduced.But, because therefore the present invention insulation-coated at least 1 layer of the periphery setting of boundling line, can obtain sufficient insulation characterisitic.In addition, owing to can prevent the discrete of boundling line, therefore, when being wound into coil, can obtain homogeneous finished product external diameter by the coiling insulating tape.And, can reduce the high frequency copper loss owing to comparing with single line, therefore, have good high frequency characteristics.
From improving the viewpoint of high frequency characteristics, the total radical that constitutes the enamelled wire of boundling line is preferably more than 4.In addition, under the situation that the use circular die compresses when the manufacturing of boundling line,, be preferably below 11 from constrictive viewpoint.
In the 2nd viewpoint, the invention provides a kind of insulated electric conductor, the insulated electric conductor for described the 1st viewpoint is characterized in that, does not carry out twisted and the described many enamelled wire of harness abreast.
In the insulated electric conductor of above-mentioned the 2nd viewpoint, therefore the enamelled wire of many of harnesses abreast owing to do not carry out twisted, can make the situation of finished product profile less than twisted.In addition, can shorten line length.And then, can reduce D.C. resistance.In addition, under the situation of many enamelled wires of twisted, its twisted manufacturing procedure is compared with compression section or tape wrapping operation, because processing line speed is slower, therefore, production efficiency is relatively poor, and becomes the main cause that manufacturing cost rises, still, the present invention is not owing to need this twisted manufacturing procedure, therefore, can enhance productivity, and can reduce manufacturing cost.
In the 3rd viewpoint, the invention provides a kind of insulated electric conductor, be the described the 1st or the insulated electric conductor of the 2nd viewpoint, it is characterized in that, form soft ferromagnetic layer in all or part of copper cash periphery of described many enamelled wires.
In the insulated electric conductor of above-mentioned the 3rd viewpoint, owing to cover copper cash with soft ferromagnetic layer, therefore, the magnetic flux that produces eddy current losses is than the easy magnetosphere by the surface of copper cash part.Because magnetosphere has the intrinsic resistance higher than copper, therefore, can reduce eddy current losses.Therefore, the high frequency copper loss can be further reduced, and high frequency characteristics can be further improved.
In the 4th viewpoint, the invention provides a kind of insulated electric conductor, it is characterized in that possessing: the boundling line, assemble many cross section profiles and be non-circular enamelled wire and bare copper wire and the global sections profile is rounded and bare copper wire keeps the non-conterminous configuration that connects each other; And the 1st is insulation-coated, at the periphery coiling insulating tape of described boundling line so that the described boundling line of harness.
In the insulated electric conductor of above-mentioned the 4th viewpoint, the coiling insulating tape is so that harness boundling line and form the 1st insulation-coatedly, and it is non-circular enamelled wire and bare copper wire and the global sections profile is rounded and bare copper wire is in the non-conterminous configuration that connects each other that this boundling line is assembled many cross section profiles.Make many enamelled wires and bare copper wire pass circular die and be compressed into circle from the outside and make under the situation of boundling line, the enamel-cover layer that is equivalent to the outer peripheral face of boundling line damages because of the friction with circular die, and the insulation characterisitic of boundling line outer peripheral face is reduced.But, because therefore the present invention insulation-coated at least 1 layer of the periphery setting of boundling line, can obtain sufficient insulation characterisitic.In addition, owing to can prevent the discrete of boundling line, therefore, when being wound into coil, also can obtain the finished product external diameter of homogeneous by the coiling insulating tape.In addition, owing to can reduce the high frequency copper loss, therefore, has good high frequency characteristics with the single line comparison.And then because a part is used bare copper wire, therefore, than the situation of whole use enamelled wires, it can improve weldability and can reduce cost.
From improving the viewpoint of high frequency characteristics, constitute the enamelled wire of boundling line and the total radical of bare copper wire and be preferably more than 4.Use circular die and under the situation about compressing,, be preferably below 11 in the manufacturing of boundling line from constrictive viewpoint.
In the 5th viewpoint, the invention provides a kind of insulated electric conductor, the insulated electric conductor for described the 4th viewpoint is characterized in that, does not carry out twisted and described many enamelled wires of harness and bare copper wire abreast.
In the insulated electric conductor of above-mentioned the 5th viewpoint, therefore many enamelled wires of harness and bare copper wire abreast owing to do not carry out twisted, can make the situation of finished product profile less than twisted.In addition, line length can be shortened, and D.C. resistance can be reduced.In addition, under the situation of many enamelled wires of twisted and bare copper wire, processing line speed is slower because its twisted manufacturing procedure is compared with compression section or tape wrapping operation, and therefore, production efficiency becomes relatively poor, and become the main cause that manufacturing cost rises, but, because the present invention does not need this twisted manufacturing procedure, therefore, can enhance productivity, can reduce manufacturing cost.
In the 6th viewpoint, the invention provides a kind of insulated electric conductor, be the described the 4th or the insulated electric conductor of the 5th viewpoint, it is characterized in that, described many enamelled wires all or part of copper cash and all or part of at least one periphery of bare copper wire form soft ferromagnetic layer.
In the insulated electric conductor of above-mentioned the 6th viewpoint, owing to cover copper cash with soft ferromagnetic layer, therefore, the magnetic flux that produces eddy current losses is than the easy magnetosphere by the surface of copper cash part.Therefore magnetosphere, can reduce eddy current losses owing to have the intrinsic resistance higher than copper.Therefore, the high frequency copper loss can be further reduced, and high frequency characteristics can be further improved.
In the 7th viewpoint, the invention provides a kind of insulated electric conductor, the insulated electric conductor for arbitrary viewpoint in described the 4th to the 6th viewpoint is characterized in that, forms tin coating at all or part of most peripheral of described bare copper wire.
In the insulated electric conductor of above-mentioned the 7th viewpoint,, therefore, can improve weldability because tin coating exposes on the part of boundling line.
In the 8th viewpoint, the invention provides a kind of insulated electric conductor, insulated electric conductor for arbitrary viewpoint in described the 1st to the 7th viewpoint, it is characterized in that, form the 2nd insulation-coatedly at the described the 1st insulation-coated periphery coiling insulating tape, form the 3rd insulation-coated at the described the 2nd insulation-coated periphery coiling insulating tape.
In the insulated electric conductor of above-mentioned the 8th viewpoint, because the insulating tape of coiling more than 3 layers, therefore, can be considered the heavy insulation electric wire of safety requirements defined, under the situation that is used for employed high frequency transformer such as Switching Power Supply, it also can help not need be once and the miniaturization etc. of the high frequency transformer in insulation next door etc. is set between secondary.
In the 9th viewpoint, the invention provides a kind of insulated electric conductor, insulated electric conductor for arbitrary viewpoint in described the 1st to the 7th viewpoint, it is characterized in that, at the described the 1st insulation-coated periphery extrusion resin and form the 2nd insulation-coatedly, form the 3rd insulation-coated at the described the 2nd insulation-coated periphery extrusion resin.
In the insulated electric conductor of above-mentioned the 9th viewpoint, can improve spiral.In addition, can obtain sufficient insulation characterisitic.Therefore, can be used in the coil of the high frequency transformer of Switching Power Supply for example etc., in such cases, it also can help not need be once and the miniaturization etc. of the high frequency transformer in insulation next door etc. is set between secondary.
In the 10th viewpoint, the invention provides a kind of insulated electric conductor, be the insulated electric conductor of arbitrary viewpoint in the 1st to the 9th viewpoint, it is characterized in that, be provided with from fused layers at most peripheral
In above-mentioned insulated electric conductor, can obtain the shape retention of coil at the 10th.In addition, if will be made as the resin extruded layer, then can form from fused layers easily from the la m of fused layers.
In the 11st viewpoint, the invention provides a kind of coil, it is characterized in that the insulated electric conductor of arbitrary viewpoint in described the 1st to the 10th viewpoint of reeling.
In the coil of above-mentioned the 11st viewpoint,, therefore, become coil with good high frequency characteristics and insulation characterisitic owing to use insulated electric conductor with good high frequency characteristics and insulation characterisitic.In addition, carry out miniaturization easily.Can be used in for example, the coil of the high frequency transformer of Switching Power Supply etc., in this case, it also can help once and do not need to be provided with the miniaturization etc. of the high frequency transformer in insulation next door etc. between secondary.
(effect of invention)
According to insulated electric conductor of the present invention, can improve high frequency characteristics and insulation characterisitic.In addition, the finished product external diameter is diminished.
According to coil of the present invention, can improve high frequency characteristics and insulation characterisitic.In addition, be easy to carry out miniaturization.
Description of drawings
Fig. 1 is for representing the end view of the insulated electric conductor that embodiment 1 relates to.
Fig. 2 is the A-A ' cutaway view of Fig. 1.
Fig. 3 is for representing the cutaway view of the insulated electric conductor that embodiment 2 relates to.
Fig. 4 is for representing the cutaway view of the insulated electric conductor that embodiment 3 relates to.
Fig. 5 is for representing the cutaway view of the insulated electric conductor that embodiment 4 relates to.
Fig. 6 is for representing the cutaway view of the insulated electric conductor that embodiment 5 relates to.
Fig. 7 is for representing the end view of the insulated electric conductor that embodiment 6 relates to.
Symbol description
1 the 1st is insulation-coated
2,2 ' the 2nd is insulation-coated
3,3 ' the 3rd is insulation-coated
4 enamelled wires
The 4a copper cash
4b enamel-cover layer
5 enamel-cover magnetic line
The 5a soft ferromagnetic layer
6 bare copper wires
7 tinned wirds
The 7a tin coating
9 from fused layers
11～14 boundling lines
101～106 insulated electric conductors
Embodiment
Below, illustrate in greater detail the present invention according to illustrated execution mode.In addition, do not limit the present invention therefrom.
Embodiment
Fig. 1 is for representing the end view of the insulated electric conductor 101 that embodiment 1 relates to.Fig. 2 is the cutaway view of A-A ' among Fig. 1.
This insulated electric conductor 101 possesses: boundling line 11 is non-circular 7 enamelled wires, 4 parallel gatherings and whole cross section profile is rounded with cross section profile; The 1st is insulation-coated 1, at the periphery coiling insulating tape of boundling line 11 so that harness boundling line 11 forms; The 2nd is insulation-coated 2, forms at the 1st insulation-coated 1 coiling insulating tape; And the 3rd is insulation-coated 3, forms at the 2nd insulation-coated 2 coiling insulating tapes.
If with concrete example shown, the external diameter of insulated electric conductor 101 is 0.69mm, and cross-sectional area of conductor is long-pending to be 0.191mm
2, insulating tape is a polyester film.
Insulated electric conductor 101 for example, can make continuously by following operation, that is: make the cross section profile of external diameter 0.21mm for circular copper cash on the enamelled wire that forms of the heat-resisting urethane resin of sintering thickness 1.5 μ m, with 7 parallel gatherings, pass behind the circular die of bore 0.51mm compressedly and make boundling line 11 (compression sections), and divided for 3 stages carried out tape wrapping (tape wrapping operation) in the periphery of this boundling line 11.
Insulated electric conductor 101 according to embodiment 1 can obtain following effect.
(1) compares with single line, can reduce high frequency loss with same conductor sectional area.
(2) have 3 layers insulation-coated 1,2,3, excellent in insulation characteristic.
(3), thereby can prevent the discrete of the boundling line 11 that compresses by the coiling insulating tape.
(4) therefore the harness enamelled wire 4 abreast owing to do not carry out twisted, can make the situation of profile less than twisted.In addition, can shorten line length.And then, can reduce D.C. resistance.
(5) under the situation of many enamelled wires of twisted 4, because its twisted manufacturing procedure is compared with compression section or tape wrapping operation, the processing linear speed is slower, and therefore, production efficiency is relatively poor, become the main cause that manufacturing cost rises, but, owing to do not need this twisted manufacturing procedure, therefore, can enhance productivity, and can reduce manufacturing cost.
Fig. 3 is for representing the cutaway view of the insulated electric conductor 102 that embodiment 2 relates to.
This insulated electric conductor 102 possesses: boundling line 12, cross section profile are non-circular 7 enamel-cover magnetic line, 5 parallel gatherings and whole cross section profile is rounded; The 1st is insulation-coated 1, at the periphery coiling insulating tape of boundling line 12 so that harness boundling line 12 forms; The 2nd is insulation-coated 2, forms at the 1st insulation-coated 1 coiling insulating tape; And the 3rd is insulation-coated 3, forms at the 2nd insulation-coated 2 coiling insulating tapes.
Enamel-cover magnetic line 5 forms soft ferromagnetic layer 5a for the periphery at copper cash 4a and forms at its periphery sintering enamel-cover layer 4b.
If with concrete example shown, soft ferromagnetic layer 5a is for following the compression in compression section or the nickel or the nickel alloy of stretcher strain easily.The thickness of soft ferromagnetic layer 5a is 1.5 μ m for example.
According to the insulated electric conductor 102 of embodiment 2, except the effect of insulated electric conductor 101,, can also further reduce high frequency loss by the Magnetic Shielding Effectiveness of soft ferromagnetic layer 5a with embodiment 1.
Fig. 4 is for representing the cutaway view of the insulated electric conductor 103 that embodiment 3 relates to.
This insulated electric conductor 103 possesses: boundling line 13, and around cross section profile was non-circular 1 bare copper wire 6, parallel gathering cross section profile was non-circular 6 enamelled wires 4 and whole cross section wheel is rounded; The 1st is insulation-coated 1, at the periphery coiling insulating tape of boundling line 13 so that harness boundling line 13 forms; The 2nd is insulation-coated 2, forms at the 1st insulation-coated 1 coiling insulating tape; And the 3rd is insulation-coated 3, forms at the 2nd insulation-coated 2 coiling insulating tapes.
According to the insulated electric conductor 103 of embodiment 3, except the effect of insulated electric conductor 101,, therefore, can make cost than the situation reduction that all is enamelled wire 4 owing to use bare copper wire 6 with embodiment 1.
Fig. 5 is for representing the cutaway view of the insulated electric conductor 104 that embodiment 4 relates to.
This insulated electric conductor 104 possesses: boundling line 14, around cross section profile is non-circular 1 enamel-cover magnetic line 5, parallel gathering cross section profile is that non-circular 3 enamel-cover magnetic line 5 and cross section profile are non-circular 3 tinned wirds 7, and whole cross section profile is rounded, and tinned wird 7 is in configuration not adjacent to each other each other; The 1st is insulation-coated 1, at the periphery coiling insulating tape of boundling line 14 so that harness boundling line 14 forms; The 2nd is insulation-coated 2, forms at the 1st insulation-coated 1 coiling insulating tape; And the 3rd is insulation-coated 3, forms at the 2nd insulation-coated 2 coiling insulating tapes.
According to the insulated electric conductor 104 of embodiment 4, except insulated electric conductor 103 effects,, therefore, can improve solderability owing to use tinned wird 7 with embodiment 3.
Fig. 6 is for representing the end view of the insulated electric conductor 105 that embodiment 5 relates to.
This insulated electric conductor 105 possesses: boundling line 11, cross section profile are non-circular 7 enamelled wires, 4 parallel gatherings and whole cross section profile is rounded; The 1st is insulation-coated 1, at the periphery coiling insulating tape of boundling line 11 so that harness boundling line 11 forms; The 2nd is insulation-coated 2 ', forms by be covered the 1st insulation-coated 1 periphery of resin extruded; And the 3rd is insulation-coated 3 ', forms by be covered the 2nd insulation-coated 2 ' periphery of resin extruded.
According to the insulated electric conductor 105 of embodiment 5, except insulated electric conductor 103 effects, can improve spiral with embodiment 3.
Fig. 7 is for representing the cutaway view of the insulated electric conductor 106 that embodiment 6 relates to.
This insulated electric conductor 106 is formed with from fused layers 9 at insulated electric conductor 105 most peripherals of embodiment 5.
According to the insulated electric conductor 106 of embodiment 6, except insulated electric conductor 105 effects with embodiment 5, the shape retention in the time of can improving coil.
Each key element that also can appropriate combination embodiment 1～embodiment 6.For example, also can be in the 3rd insulation-coated 3 the periphery setting of embodiment 1 from fused layers 9.In addition, also can use tinned wird to replace the bare copper wire 6 of embodiment 3
Embodiment 8
(cross-sectional area of conductor amasss 0.191mm to coiling embodiment 1 related insulated electric conductor 101
2, external diameter 0.69mm), making coil number is that 52 circles, loop length are that 5mm, internal coil diameter are the air core coil of 20mm.
The coil number of plies of this air core coil is 7 layers, and coil outer diameter is 30mm, and the coil D.C. resistance is 0.360 Ω, and the effective resistance under 100kHz is 0.82 Ω, and the effective resistance under 200kHz is 2.17 Ω.
Comparative example 1
At external diameter is the copper cash periphery of the cross section profile of 0.5mm for circle, divides for 3 stages carried out tape wrapping, and (cross-sectional area of conductor amasss 0.196mm and make single line
2, external diameter 0.68mm).This single line of reeling, making coil number is that 52 circles, loop length are that 5mm, internal coil diameter are the air core coil of 20mm.
The coil number of plies of this air core coil is 7 layers, and coil outer diameter is 30mm, and the coil D.C. resistance is 0.355 Ω, and the effective resistance under 100kHz is 2.76 Ω, and the effective resistance under 200kHz is 5.70 Ω.
Though the coil of embodiment 8 is identical with the outside dimension of the coil of comparative example 1,, have good high frequency characteristics.
Comparative example 2
At external diameter is on the copper cash of cross section profile for circle of 0.2mm, with the sintering thickness is the enamelled wire that the heat-resisting urethane resin of 1.5 μ m forms 7 of enamelled wire twisteds, and making boundling line (twisted manufacturing procedure), divided for 3 stages carried out tape wrapping in the periphery of this boundling line, (cross-sectional area of conductor amasss 0.220mm and make litz wire
2, external diameter 0.84mm).This litz wire of reeling is that 52 circles, loop length are that 5mm, internal coil diameter are the air core coil of 20mm and make coil number.
The coil number of plies of this air core coil is 9 layers, and coil outer diameter is 35mm, and the coil D.C. resistance is 0.341 Ω, and the effective resistance under 100kHz is 0.78 Ω, and the effective resistance under 200kHz is 2.02 Ω.
Though the coil of embodiment 8 is roughly the same with the high frequency loss of the coil of comparative example 2,, outstanding in miniaturization.
(utilizability on the industry)
Insulated electric conductor of the present invention and coil can utilize at the coil of the transformer of Switching Power Supply or contactless power supply device or motor etc.
Claims (11)
1. insulated electric conductor is characterized in that possessing: the boundling line, assemble many cross section profiles and be non-circular enamelled wire and the global sections profile is rounded; And the 1st is insulation-coated, at the periphery coiling insulating tape of described boundling line so that the described boundling line of harness.
2. insulated electric conductor according to claim 1 is characterized in that, does not carry out twisted and the described many enamelled wire of harness abreast.
3. insulated electric conductor according to claim 1 and 2 is characterized in that, forms soft ferromagnetic layer in all or part of copper cash periphery of described many enamelled wires.
4. insulated electric conductor is characterized in that possessing: the boundling line, assemble many cross section profiles and be non-circular enamelled wire and bare copper wire and the global sections profile is rounded and bare copper wire is in the non-conterminous configuration that connects each other; And the 1st is insulation-coated, at the periphery coiling insulating tape of described boundling line so that the described boundling line of harness.
5. insulated electric conductor according to claim 4 is characterized in that, does not carry out twisted and described many enamelled wires of harness and bare copper wire abreast.
6. according to claim 4 or 5 described insulated electric conductors, it is characterized in that, described many enamelled wires all or part of copper cash and all or part of at least one periphery of bare copper wire form soft ferromagnetic layer.
7. according to each described insulated electric conductor in the claim 4 to 6, it is characterized in that, form tin coating at all or part of most peripheral of described bare copper wire.
8. according to each described insulated electric conductor in the claim 1 to 7, it is characterized in that, form the 2nd insulation-coatedly at the described the 1st insulation-coated periphery coiling insulating tape, form the 3rd insulation-coated at the described the 2nd insulation-coated periphery coiling insulating tape.
9. according to each described insulated electric conductor in the claim 1 to 7, it is characterized in that, form the 2nd insulation-coatedly at the described the 1st insulation-coated periphery extrusion resin, form the 3rd insulation-coated at the described the 2nd insulation-coated periphery extrusion resin.
10. according to each described insulated electric conductor in the claim 1 to 9, it is characterized in that, be provided with from fused layers at most peripheral.
11. a coil is characterized in that, each described insulated electric conductor in the coiling claim 1 to 10.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-019311 | 2009-01-30 | ||
| JP2009019311A JP5294907B2 (en) | 2009-01-30 | 2009-01-30 | Insulated wires and coils |
| PCT/JP2009/006831 WO2010086944A1 (en) | 2009-01-30 | 2009-12-14 | Electric insulated wire and coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102171771A true CN102171771A (en) | 2011-08-31 |
| CN102171771B CN102171771B (en) | 2013-03-06 |
Family
ID=42395215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801391781A Active CN102171771B (en) | 2009-01-30 | 2009-12-14 | Electric insulated wire and coil |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5294907B2 (en) |
| KR (1) | KR20110106914A (en) |
| CN (1) | CN102171771B (en) |
| WO (1) | WO2010086944A1 (en) |
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| CN105580088A (en) * | 2013-09-25 | 2016-05-11 | 株式会社藤仓 | High-frequency wire and high-frequency coil |
| CN107852055A (en) * | 2015-07-20 | 2018-03-27 | 舍弗勒技术股份两合公司 | The coil windings being made up of high-frequency litz wire, there is the motor and its manufacture method of coil windings |
| CN111684551A (en) * | 2020-04-21 | 2020-09-18 | 深圳顺络电子股份有限公司 | Inductance component and manufacturing method thereof |
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| CN103460305A (en) * | 2011-03-30 | 2013-12-18 | 东京特殊电线株式会社 | Insulated wire and coil |
| JP2013171700A (en) * | 2012-02-21 | 2013-09-02 | Furukawa Electric Co Ltd:The | Wire material for coil, and coil structure |
| JP5621826B2 (en) | 2012-10-05 | 2014-11-12 | トヨタ自動車株式会社 | Collective conducting wire and manufacturing method thereof |
| JP6490620B2 (en) * | 2016-04-22 | 2019-03-27 | 古河電気工業株式会社 | Winding, coil and transformer |
| JP6568133B2 (en) | 2017-03-30 | 2019-08-28 | パナソニック株式会社 | Transmission coil and power transmission device |
| JP6817487B1 (en) * | 2020-03-03 | 2021-01-20 | 東京特殊電線株式会社 | Insulated wires and coils |
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| JPH0583933U (en) * | 1992-04-16 | 1993-11-12 | 古河電気工業株式会社 | Insulated wire |
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| JPH0660732A (en) * | 1992-08-10 | 1994-03-04 | Riken Densen Kk | Manufacture of litz wire and manufacturing device thereof |
| JPH06119825A (en) * | 1992-10-02 | 1994-04-28 | Hitachi Cable Ltd | Litz wire and manufacture thereof |
| CN2671080Y (en) * | 2003-11-30 | 2005-01-12 | 湘潭市特种线缆厂 | Soft veil electric cable |
| CN201036059Y (en) * | 2007-04-17 | 2008-03-12 | 浙江长城电子科技集团有限公司 | Heat adhesion direct-welding enamelling bunch |
-
2009
- 2009-01-30 JP JP2009019311A patent/JP5294907B2/en active Active
- 2009-12-14 WO PCT/JP2009/006831 patent/WO2010086944A1/en active Application Filing
- 2009-12-14 CN CN2009801391781A patent/CN102171771B/en active Active
- 2009-12-14 KR KR1020117018293A patent/KR20110106914A/en not_active Application Discontinuation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708952A (en) * | 2012-06-27 | 2012-10-03 | 苏州科宝光电科技有限公司 | Excitation wire |
| CN104376917A (en) * | 2013-08-14 | 2015-02-25 | 苹果公司 | Cable structures with insulating tape and systems and methods for making the same |
| CN105580088A (en) * | 2013-09-25 | 2016-05-11 | 株式会社藤仓 | High-frequency wire and high-frequency coil |
| CN105580088B (en) * | 2013-09-25 | 2017-06-13 | 株式会社藤仓 | High-frequency wire and high frequency coil |
| US10026526B2 (en) | 2013-09-25 | 2018-07-17 | Fujikura Ltd. | High-frequency wire and high-frequency coil |
| CN107852055A (en) * | 2015-07-20 | 2018-03-27 | 舍弗勒技术股份两合公司 | The coil windings being made up of high-frequency litz wire, there is the motor and its manufacture method of coil windings |
| CN111684551A (en) * | 2020-04-21 | 2020-09-18 | 深圳顺络电子股份有限公司 | Inductance component and manufacturing method thereof |
| WO2020164645A3 (en) * | 2020-04-21 | 2021-02-18 | 深圳顺络电子股份有限公司 | Inductive component and manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5294907B2 (en) | 2013-09-18 |
| KR20110106914A (en) | 2011-09-29 |
| WO2010086944A1 (en) | 2010-08-05 |
| CN102171771B (en) | 2013-03-06 |
| JP2010177075A (en) | 2010-08-12 |
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