CN107452437A - Insulated electric conductor - Google Patents
Insulated electric conductor Download PDFInfo
- Publication number
- CN107452437A CN107452437A CN201710333796.6A CN201710333796A CN107452437A CN 107452437 A CN107452437 A CN 107452437A CN 201710333796 A CN201710333796 A CN 201710333796A CN 107452437 A CN107452437 A CN 107452437A
- Authority
- CN
- China
- Prior art keywords
- conductor
- insulated electric
- electric conductor
- insulating barrier
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
-
- 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
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
-
- 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
- H01B7/1875—Multi-layer sheaths
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
A kind of insulated electric conductor, it includes：By being twisted multiple conducting wires the conductor that obtains and forming the insulating barrier on the periphery of conductor.Insulating barrier includes fluororesin, fluorine-containing rubber or their mixture.
Description
Technical field
The present invention relates to the insulated electric conductor with insulating barrier, the insulating barrier is formed to be obtained by being twisted multiple conducting wires
On the periphery of conductor.
Correlation technique
Patent document 1 discloses a kind of airtight electric wire with thin diameter.
[patent document 1] Japanese Unexamined Patent Publication 2005-19392 publications
Compared with thin electric wire, thick electric wire has big gap between the conductors or between conductor and insulating barrier.Therefore, slightly
Air leakage in electric wire is to need to solve the problems, such as.Insulating barrier uses fluororesin or fluorine-containing rubber with excellent heat resistance etc.
Glue.Fluororesin or fluorine-containing rubber can not set (pressure set up) method to be coated on conductor by pressure, therefore,
It is coated by using pipe fitting mold (tubing die) (setting (tubing set up) method by pipe fitting).Passing through
In the case of pipe fitting establishing method manufacture electric wire, gap may be produced between conductor and insulating barrier, so as to cause air to leak.
The content of the invention
It is an object of the invention to provide insulated electric conductor, and it has relatively low air leakage and good productivity ratio, and
It is readily bent.
According to the insulated electric conductor of exemplary, including：
By being twisted multiple conducting wires the conductor that obtains；And
The insulating barrier on the periphery of the conductor is formed,
Wherein described insulating barrier includes fluororesin, fluorine-containing rubber or their mixture, and
It is wherein described For less than more than 24 28.
According to the present invention it is possible to provide with relatively low air leakage and good productivity ratio and the insulation that is readily bent
Electric wire.
Brief description of the drawings
Fig. 1 is the sectional view for the example for showing the insulated electric conductor according to embodiment of the present invention.
Fig. 2 is the sectional view of the example for the insulated electric conductor with compressed conductor for representing embodiment of the present invention.
Embodiment
<The description of the exemplary of the present invention>
First, the exemplary of the present invention will be described.
(1) according to the insulated electric conductor of embodiment of the present invention, including：
By being twisted multiple conducting wires the conductor that obtains；And
The insulating barrier on the periphery of the conductor is formed,
Wherein described insulating barrier includes fluororesin, fluorine-containing rubber or its mixture, and
It is wherein described For less than more than 24 28.
According to this composition, the insulation that there is relatively low air leakage and good productivity ratio and be readily bent can be obtained
Electric wire.
(2) in the insulated electric conductor according to (1), the sectional area of conductor is preferably 2mm2More than.
According to this composition, the effect that the air reduced in thick electric wire is revealed can be significantly realized.
(3) in the insulated electric conductor according to (1) or (2), conductor is preferably compressed.
According to this composition, it is possible to achieve the reduction of insulated electric conductor diameter, and the gap between conductor can also be reduced, so as to
Further reduce air leakage.
(4) in the insulated electric conductor according to (1) to any one of (3), insulating barrier preferably comprises fluorine-containing rubber.
According to this composition, by using fluorine-containing rubber as electric wire covering material, can obtain with heat resistance (150
DEG C), the electric wire of oil resistivity and flexibility
(5) in the insulated electric conductor according to (4), insulating barrier preferably comprises tetrafluoroethene/propylene copolymer.
According to this composition, by using tetrafluoroethylene propylene copolymer (TFE-P), the high electricity of insulaion resistance can be obtained
Line.
<The details of the exemplary of the present invention>
Now, it will be described with reference to the accompanying drawings the example of the embodiment of the insulated electric conductor according to the present invention.
As shown in figure 1, the insulated electric conductor 1 of the present embodiment has such composition, wherein insulating barrier 20 is formed in conductor
On 10 periphery.
As conductor 10, using by being twisted multiple conducting wires 11 and the twisted wire of acquisition.Wire 11 has sufficiently high lead
Electrically, so as to transmit by electronic signal, and wire 11 can be made up of annealed copper or copper alloy.Wire can be coated with
The wire rod of tin etc..
Insulated electric conductor 1 shown in Fig. 1 includes 37 a diameter of 0.26mm wire 11.Meanwhile wire of the invention
Diameter and quantity not limited to this, appropriate change can also be carried out according to its application.
For insulated electric conductor 1, in the sectional area of the conductor 10 determined on the section of the longitudinal direction of insulated electric conductor 1
Preferably 2.0mm2More than.If sectional area is less than 2.0mm2, then allowable current reduction, this is not preferred.
Multiple conducting wires 11 are integrally twisted, and make it be in beam formula structure.By the diameter of wire, the conductor that form conductor 10
Quantity and conductor diameter calculate values below P, in view of the P values determine the overall twisting pitch of multiple conducting wires 11.
Bundle strand is carried out to wire 11 with such twisting pitch so that P values are less than more than 24 28.If P values are less than 24,
The then producing rate variance of conductor, and conductor is difficult to bend.In addition, if P values are more than 28, air leakage can increase.
Conductor 10 can be used with the state of compression.For example, conductor can be compressed conductor 110, wherein as shown in Fig. 2
Seven wire 11a are integrally twisted, and are then compressed.Meanwhile the present invention in wire 11a quantity not limited to this, but
Can suitably it be changed according to its application.Compressed conductor 110 is to carry out circular compression again by the way that multiple conducting wires 11a is twisted
(circularly compressing) and formed.In this case, compressed conductor 110 is preferably as circular pressure
Contracting helps to reduce the diameter of compressed conductor 110, and also reduces the gap between wire 11a, so as to reduce air leakage.
For insulating barrier 20, fluororesin, fluorine-containing rubber or their mixture are used.Fluororesin can include (such as)
Kynoar (PVdF), tetrafluoroethylene/ethylene copolymer (ETFE) etc., fluorine-containing rubber can include (such as) fluorubber, fluorine
Silicon rubber etc..The example of fluorubber includes tetrafluoroethylene propylene copolymer (TFE-P), 1,1- difluoroethylenes-tetrafluoroethene-the third
Alkene copolymer (TFE-P-VdF), chlorosulfonated polyethylene-tetrafluoroethylene propylene copolymer (TFE-P-CSM), vinylidene fluoride class
Fluorubber (FKM) etc..
Extruded for the fluorubber of insulating barrier 20, fluorine-containing rubber or their mixture by using pipe fitting mold in leading
On body 10, thus insulating barrier is pulled down insulator covering, and the gap formed between conductor 10 and insulating barrier 20 is more than logical
Cross the gap in the case of extruding insulator using pressure mould (pressure setting method).
Although being described above embodiment, the invention is not restricted to the embodiment above, therefore can basis
Need and use any other structure.
[embodiment]
Next, embodiments of the invention are illustrated.These embodiments are not intended to limit the scope of the invention.
<Embodiment 1>
By being twisted 37 a diameter of 0.26mm tin plating annealed copper wire with 32mm twisting pitch, so as to obtain
Sectional area is 2.0mm2, external diameter be 1.82mm conductor.Then, it is 0.39mm and by being crosslinked by thickness by using pipe fitting mold
Insulation extrusion is on conductor made of fluorubber (TFE-P).As a result, the insulated electric conductor that external diameter is 2.6mm is obtained.
<Embodiment 2>
By being twisted 37 a diameter of 0.26mm tin plating annealed copper wire with 28mm twisting pitch, so as to obtain
Sectional area is 2.0mm2, external diameter be 1.82mm conductor.Then, it is 0.39mm and by being crosslinked by thickness by using pipe fitting mold
Insulation extrusion is on conductor made of fluorubber (TFE-P-VdF).As a result, the insulated electro that external diameter is 2.6mm is obtained
Line.
<Embodiment 3>
By being twisted 37 a diameter of 0.26mm tin plating annealed copper wire with 30mm twisting pitch, so as to obtain
Sectional area is 2.0mm2, external diameter be 1.82mm conductor.Then, it is 0.39mm and by being crosslinked by thickness by using pipe fitting mold
Insulation extrusion is on conductor made of fluorubber (TFE-P-CSM).As a result, the insulated electro that external diameter is 2.6mm is obtained
Line.
<Embodiment 4>
By being twisted 37 a diameter of 0.26mm tin plating annealed copper wire with 40mm twisting pitch, so as to obtain
Sectional area is 2.0mm2, external diameter be 1.82mm conductor.Then, it is 0.39mm and by being crosslinked by thickness by using pipe fitting mold
Insulation extrusion is on conductor made of fluorubber (TFE-P).As a result, the insulated electric conductor that external diameter is 2.6mm is obtained.
<Embodiment 5>
By being twisted 40 a diameter of 0.32mm tin plating annealed copper wire with 33mm twisting pitch, so as to obtain
Sectional area is 3.0mm2, external diameter be 2.56mm conductor.Then, it is 0.42mm and by being crosslinked by thickness by using pipe fitting mold
Insulation extrusion is on conductor made of fluorubber (TFE-P).As a result, the insulated electric conductor that external diameter is 3.4mm is obtained.
<Embodiment 6>
By being twisted 40 a diameter of 0.32mm tin plating annealed copper wire with 34mm twisting pitch, so as to obtain
Sectional area is 3.0mm2, external diameter be 2.56mm conductor.Then, it is 0.42mm and by being crosslinked by thickness by using pipe fitting mold
Insulation extrusion is on conductor made of fluorubber (FKM).As a result, the insulated electric conductor that external diameter is 3.4mm is obtained.
<Embodiment 7>
By being twisted 40 a diameter of 0.32mm tin plating annealed copper wire with 45mm twisting pitch, so as to obtain
Sectional area is 3.0mm2, external diameter be 2.56mm conductor.Then, it is 0.42mm and by being crosslinked by thickness by using pipe fitting mold
Insulation extrusion is on conductor made of fluorubber (TFE-P).As a result, the insulated electric conductor that external diameter is 3.4mm is obtained.
(air leakage result)
Cut the above-mentioned insulated electric conductor of 200mm length and obtain sample, apply 0.049MPa sky on one end of sample
Atmospheric pressure, then determine the air capacity (air amount of leakage) leaked out in 10 minutes from the other end of sample.Shown in table 1
The result that the air amount of leakage determined divided by 20 are obtained.
<The comparison of embodiment 1 to 7>
It is 2.0mm in the sectional area of insulated electric conductor2In the case of, it is found that embodiment of the P values in the range of 24 to 28
1st, 2 and 3 air leakage rate is less than the air leakage rate of embodiment 4.
In addition, the sectional area in insulated electric conductor is 3.0mm2In the case of, it is found that P values are in the range of 24 to 28
The air leakage rate of embodiment 5 and 6 is less than the air leakage rate of embodiment 7.
Claims (7)
1. a kind of insulated electric conductor, including：
By being twisted multiple conducting wires the conductor that obtains；And
The insulating barrier on the periphery of the conductor is formed,
Wherein described insulating barrier includes fluororesin, fluorine-containing rubber or their mixture, and
It is wherein described For less than more than 24 28.
2. insulated electric conductor according to claim 1, wherein the sectional area of the conductor is 2mm2More than.
3. insulated electric conductor according to claim 1 or 2, wherein the conductor is compressed.
4. insulated electric conductor according to claim 1 or 2, wherein the insulating barrier contains fluorine-containing rubber.
5. insulated electric conductor according to claim 3, wherein the insulating barrier contains fluorine-containing rubber.
6. insulated electric conductor according to claim 4, wherein the insulating barrier includes tetrafluoroethene/propylene copolymer.
7. insulated electric conductor according to claim 5, wherein the insulating barrier includes tetrafluoroethene/propylene copolymer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-096353 | 2016-05-12 | ||
| JP2016096353A JP6645350B2 (en) | 2016-05-12 | 2016-05-12 | Low air leak electric wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107452437A true CN107452437A (en) | 2017-12-08 |
| CN107452437B CN107452437B (en) | 2020-10-30 |
Family
ID=60321581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710333796.6A Active CN107452437B (en) | 2016-05-12 | 2017-05-12 | Insulated wire |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6645350B2 (en) |
| CN (1) | CN107452437B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11289239B2 (en) | 2018-02-20 | 2022-03-29 | Junkosha Inc. | Electric wire, cable harness and flying object |
| JP7424221B2 (en) | 2020-06-19 | 2024-01-30 | 住友電気工業株式会社 | Electrical wire |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0536310A (en) * | 1991-07-29 | 1993-02-12 | Furukawa Electric Co Ltd:The | Round cable having small rotatability |
| JP2000231837A (en) * | 1999-02-12 | 2000-08-22 | Sumitomo Electric Ind Ltd | Single core twisted type electric power cable |
| US20050006135A1 (en) * | 2003-05-30 | 2005-01-13 | Kurabe Industrial Co., Ltd. | Airtight cable and a manufacturing method of airtight cable |
| JP2006253093A (en) * | 2005-03-14 | 2006-09-21 | Mitsubishi Cable Ind Ltd | Electric wire for automobile |
| CN101110284A (en) * | 2006-07-21 | 2008-01-23 | Ls电线有限公司 | Micro coaxial cable |
| CN102509583A (en) * | 2011-11-25 | 2012-06-20 | 成都亨通光通信有限公司 | Wind power cable |
| CN103295672A (en) * | 2013-05-06 | 2013-09-11 | 安徽科瑞达通信科技有限公司 | Suspension-type tensile moving-type hanging-routing cable capable of bearing weight |
| CN103377765A (en) * | 2012-04-13 | 2013-10-30 | 上海新益电力线路器材有限公司 | Wire cable water block conductor |
| CN203760093U (en) * | 2014-01-29 | 2014-08-06 | 长春福斯汽车电线有限公司 | Cable |
| CN105513682A (en) * | 2014-09-26 | 2016-04-20 | 深圳市联嘉祥科技股份有限公司 | Circular shielding control towline cable and production method thereof |
-
2016
- 2016-05-12 JP JP2016096353A patent/JP6645350B2/en active Active
-
2017
- 2017-05-12 CN CN201710333796.6A patent/CN107452437B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0536310A (en) * | 1991-07-29 | 1993-02-12 | Furukawa Electric Co Ltd:The | Round cable having small rotatability |
| JP2000231837A (en) * | 1999-02-12 | 2000-08-22 | Sumitomo Electric Ind Ltd | Single core twisted type electric power cable |
| US20050006135A1 (en) * | 2003-05-30 | 2005-01-13 | Kurabe Industrial Co., Ltd. | Airtight cable and a manufacturing method of airtight cable |
| JP2006253093A (en) * | 2005-03-14 | 2006-09-21 | Mitsubishi Cable Ind Ltd | Electric wire for automobile |
| CN101110284A (en) * | 2006-07-21 | 2008-01-23 | Ls电线有限公司 | Micro coaxial cable |
| CN102509583A (en) * | 2011-11-25 | 2012-06-20 | 成都亨通光通信有限公司 | Wind power cable |
| CN103377765A (en) * | 2012-04-13 | 2013-10-30 | 上海新益电力线路器材有限公司 | Wire cable water block conductor |
| CN103295672A (en) * | 2013-05-06 | 2013-09-11 | 安徽科瑞达通信科技有限公司 | Suspension-type tensile moving-type hanging-routing cable capable of bearing weight |
| CN203760093U (en) * | 2014-01-29 | 2014-08-06 | 长春福斯汽车电线有限公司 | Cable |
| CN105513682A (en) * | 2014-09-26 | 2016-04-20 | 深圳市联嘉祥科技股份有限公司 | Circular shielding control towline cable and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017204409A (en) | 2017-11-16 |
| JP6645350B2 (en) | 2020-02-14 |
| CN107452437B (en) | 2020-10-30 |
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