EP1193722A1 - Ligne électrique flexible - Google Patents
Ligne électrique flexible Download PDFInfo
- Publication number
- EP1193722A1 EP1193722A1 EP00402667A EP00402667A EP1193722A1 EP 1193722 A1 EP1193722 A1 EP 1193722A1 EP 00402667 A EP00402667 A EP 00402667A EP 00402667 A EP00402667 A EP 00402667A EP 1193722 A1 EP1193722 A1 EP 1193722A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conductor
- layer
- line according
- insulation
- rope
- 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.)
- Withdrawn
Links
- 239000004020 conductor Substances 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 12
- 239000004811 fluoropolymer Substances 0.000 claims abstract description 12
- 239000010445 mica Substances 0.000 claims abstract description 8
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 48
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000011888 foil Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- MSKQYWJTFPOQAV-UHFFFAOYSA-N fluoroethene;prop-1-ene Chemical group CC=C.FC=C MSKQYWJTFPOQAV-UHFFFAOYSA-N 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
Classifications
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
Definitions
- the invention relates to a flexible electrical line with at least one heat-resistant insulated electrical conductor, which is designed as a stranded conductor An electrical shield is attached over the insulation of the conductor (DE-OS 24 00 174).
- Such lines are used in particular as vehicle lines, namely for example as a connecting line between an energy generator and a battery or between a battery and a starter, or between a battery and one Electric motor. In all cases there is good flexibility and perfect electromagnetic Shielding required. The lines must also withstand the harsh conditions be grown that prevail in the engine compartment of motor vehicles.
- a cable that should preferably be used as an ignition cable for high ambient temperatures.
- the cable has a flexible insulated conductor made from a variety of conductive threads or fibers, preferably glass fibers.
- wrapping Insulation is attached to a jacket made of semiconducting material.
- the coat is there for example made of polytetrafluoroethylene, in the carbon particles or carbon particles are suspended.
- Such a cable cannot be used for high currents.
- the shielding effect of the semiconducting jacket already meets today's requirements Not.
- the invention has for its object to the line described above shape that with a simple structure for large currents and Suitable for temperature loads and electrically shielded with high quality.
- the conductor of this line can be designed for high current densities and high temperatures with a correspondingly large conductive cross section, since it is surrounded by insulation that can withstand high temperatures. After it has been applied to the conductor, it can be sintered out in a final sintering process, so that there is compact, watertight insulation. Through the use of the glass mica layer, which can withstand very high thermal loads, a defined function maintenance is achieved in the event of a fire. The insulation of the conductor can withstand thermal loads of up to 250 ° C.
- the multi-layered screen made of screen film and rope which can have a cross-section of up to 16 mm 2 , for example, in the rope made of tinned copper wires, can be produced in a single operation.
- the line is thus electrically "tight" so that it does not emit any interfering radiation.
- the inner layer of the jacket can be applied as a multi-component silicone compound in a coating or extrusion process.
- the silicone compound can also contain blowing agents, which enables a defined foaming of the same.
- Over the crosslinked silicone layer applied in this way for example, a film consisting of a fluoropolymer is wound as the outer layer or applied overlapping lengthways.
- the outer layer can also be sintered out in a thermal process. With such a jacket, the line has good lubricity and good fuel resistance. Due to the two-layer structure with a softer inner layer and an outer, harder layer, the line retains good flexibility.
- the line L shown in cross section in FIG. 1 has a stranded conductor electrical conductor 1, which is surrounded by insulation 2. Is over the insulation 2 an all-round shielding film 3 is attached, over which a rope 4 extends tinned copper wires.
- the rope 4 is made of an insulating material existing coat 5 surrounded.
- the conductor 1 has an arbitrary, but deliberately large cross-section of, for example, 70 mm 2 . To achieve good flexibility, it is constructed, for example, from bare, fine copper wires, in a preferred embodiment as a leg rope.
- the insulation 2 of the conductor 1 consists of an inner layer 6 made of glass mica and from an outer layer 7 made of a fluoropolymer.
- the material is glass-mica known as "Mica". It is usually available as a band.
- Such one Glass-mica tape can be used to produce the inner layer 6 lengthwise overlapping longitudinal edges or overlapped wound applied to the conductor 1 become.
- At least one film made of a fluoropolymer can be used for the outer layer 7 are used, which are also longitudinally running or wound with overlap can be applied.
- the outer Layer 7 can also be extruded. After completion of the two layers 6 and 7 layer 7 can be sintered in a sintering process. Then there is one compact, temperature-resistant and waterproof insulation 2 for the conductor 1. You ensures the functionality of line 1 in the event of a fire, at least via one sufficient time.
- the shielding foil 3 which is attached all around the insulation 2, can be made of copper or Aluminum. It can also be coated on one or both sides with plastic Copper or aluminum foil.
- the screen film 3 has a thickness of at least 50 ⁇ m. It can run in lengthwise with overlapping longitudinal edges applied or wrapped with overlap around the insulation 2.
- the rope 4 consists of tinned copper wires, of which at least one layer is stranded on the aluminum foil 3.
- the rope 4 consists of two layers of tinned copper wires. It then has, for example, a conductive cross section of up to 16 mm 2 .
- the copper wires are preferably stranded with a reversing lay direction in what is known as SZ stranding.
- the reversal points or swirl change points of the two layers of copper wires are preferably offset from one another in the axial direction of the line L.
- a foil made of metal or metallized plastic can be wound around the rope 4 to stabilize it.
- a magnetic protective layer 8 (FIG. 4) can be installed, which consists of highly permeable material.
- the protective layer 8 made of highly permeable steel strips, which in two layers around the Aluminum foil 3 are wrapped around. The outer layer covers gaps between the turns of the inner layer. The steel strips are for example 0.05mm thick.
- the jacket 5 ensures a high thermal load capacity for the line L. Permanent temperature up to 200 ° C and a short-term temperature up to 250 ° C. It also gives the line L its good flexibility and ensures good Fuel and oil resistance.
- the jacket 5 has an inner layer 9 made of Material containing cross-linked silicone and an outer layer 10 of one Fluoropolymer.
- a multi-component silicone compound is preferably used for the inner layer 9 used, which can be crosslinked thermally or by infrared radiation. It can also Contain blowing agent, whereby a defined foaming of the layer 9 can be achieved can. It can be applied to the rope 4 by coating or extrusion become.
- a so-called separating layer above the rope 4 is expedient beforehand arranged to prevent the material of the inner layer 9 from being too deep in the Rope 4 penetrates and is then connected to the same too tight.
- the interface can consist, for example, of paper or of a nonwoven fabric.
- a film made of polytetrafluoroethylene can be used as the outer layer 10 of the jacket 5 that are running in longitudinally with overlapping longitudinal edges or with overlap can be wrapped around the inner layer 9. But as layer 10 can also fluoroethylene propylene can be extruded onto the inner layer 9. In both cases the applied fluoropolymer can be sintered in a thermal process.
- the line L can be produced with all the layers described in one operation become particularly easy when foils and tapes run in lengthways applied and the copper wires of the rope 4 SZ-stranded.
Landscapes
- Insulated Conductors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00402667A EP1193722A1 (fr) | 2000-09-27 | 2000-09-27 | Ligne électrique flexible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00402667A EP1193722A1 (fr) | 2000-09-27 | 2000-09-27 | Ligne électrique flexible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1193722A1 true EP1193722A1 (fr) | 2002-04-03 |
Family
ID=8173879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00402667A Withdrawn EP1193722A1 (fr) | 2000-09-27 | 2000-09-27 | Ligne électrique flexible |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1193722A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709018A (zh) * | 2022-03-21 | 2022-07-05 | 河南乐山电缆有限公司 | 一种柔性耐高温耐火控制电缆及其制备方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2700672A1 (de) * | 1977-01-08 | 1978-07-20 | Reinshagen Kabelwerk Gmbh | Hochwertige elektrische leitung |
| EP0106708A1 (fr) * | 1982-10-15 | 1984-04-25 | Axon'cable S.A. | Revêtement isolant |
| WO1986003329A1 (fr) * | 1984-11-29 | 1986-06-05 | Habia Cable Sa | Revetement isolant souple resistant au feu pour conduites, fils cables electriques et fibres optiques |
-
2000
- 2000-09-27 EP EP00402667A patent/EP1193722A1/fr not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2700672A1 (de) * | 1977-01-08 | 1978-07-20 | Reinshagen Kabelwerk Gmbh | Hochwertige elektrische leitung |
| EP0106708A1 (fr) * | 1982-10-15 | 1984-04-25 | Axon'cable S.A. | Revêtement isolant |
| WO1986003329A1 (fr) * | 1984-11-29 | 1986-06-05 | Habia Cable Sa | Revetement isolant souple resistant au feu pour conduites, fils cables electriques et fibres optiques |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709018A (zh) * | 2022-03-21 | 2022-07-05 | 河南乐山电缆有限公司 | 一种柔性耐高温耐火控制电缆及其制备方法 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| 17P | Request for examination filed |
Effective date: 20010306 |
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| AK | Designated contracting states |
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| AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
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| AKX | Designation fees paid |
Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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| 18W | Application withdrawn |
Effective date: 20031025 |