EP2077566A1 - Ensemble de câble électrique - Google Patents

Ensemble de câble électrique Download PDF

Info

Publication number
EP2077566A1
EP2077566A1 EP08150011A EP08150011A EP2077566A1 EP 2077566 A1 EP2077566 A1 EP 2077566A1 EP 08150011 A EP08150011 A EP 08150011A EP 08150011 A EP08150011 A EP 08150011A EP 2077566 A1 EP2077566 A1 EP 2077566A1
Authority
EP
European Patent Office
Prior art keywords
power cable
radio frequency
cable
cable assembly
core
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Withdrawn
Application number
EP08150011A
Other languages
German (de)
English (en)
Inventor
Hsu-Cheng Chang
Po-Fu Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jess Link Products Co Ltd
Original Assignee
Jess Link Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jess Link Products Co Ltd filed Critical Jess Link Products Co Ltd
Priority to EP08150011A priority Critical patent/EP2077566A1/fr
Publication of EP2077566A1 publication Critical patent/EP2077566A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/003—Power cables including electrical control or communication wires

Definitions

  • the invention generally relates to a power cable assembly, particularly to a power cable assembly having a power cable and a radio frequency (RF) cable.
  • RF radio frequency
  • a conventional power cable has a line which has two conductive wires respectively as a positive and a negative wire or a lead wire and a ground wire. One end of the line connects to an external electronic device via a connector for the purpose of power supply.
  • the conventional power cable is used exclusively for power supply.
  • a power cable could be made more efficient and useful if it offers an extra function of radio frequency transmission in addition to its inherent power supply function.
  • the inventors have made an intensive research effort and finally obtained a novel duel-functional cable.
  • the power cable assembly of the invention includes a power cable and a radio frequency cable.
  • the power cable assembly includes a core, an insulating layer enclosing the core, and a coat enclosing the insulating layer.
  • the radio frequency cable includes a signal cable and a cladding layer enclosing the signal cable.
  • the power cable assembly of the invention provides the following advantages.
  • the radio frequency cable of the power cable assembly according to the invention can be used as an antenna for transmitting radio frequency signals of an external electronic device when the power cable connects to the external electronic device. Therefore, the electronic device has no need of an additional antenna to receive radio frequency programs.
  • a power cable assembly according to a first embodiment of the invention includes a power cable 10, an anti-interference unit 20, a radio frequency cable 30 and a stress buffering part 40.
  • the power cable 10 includes a core 11, an insulating layer 12 and a coat 13, as shown in FIG. 2 .
  • the core 11 in this embodiment includes two conductive wires 111.
  • the two conductive wires 111 are used respectively as a positive and a negative wire or as a lead wire and a ground wire of the power cable 10.
  • Each conductive wire 111 includes an electrical conductor 1111 and an electrical insulator 1112.
  • the insulating layer 12 enclosing the core is a tissue paper which offers moisture-proof, flame resistant and insulating functions.
  • the coat 13 enclosing the insulating layer 12 is made of polyethylene chloride (PVC) or polyurethane (PU), providing good insulation performance.
  • PVC polyethylene chloride
  • PU polyurethane
  • the anti-interference unit 20 is molded by using insulating material and has an iron-powder sleeve (not shown).
  • the power cable 10 inserts into the iron sleeve in order to prevent the power cable 10 from being interfered by any power noises.
  • the anti-interference unit 20 is positioned in the middle of the power cable 10.
  • the location of the anti-interference unit 20 is not particularly limited.
  • the radio frequency cable 30 in this embodiment is shorter than the power cable 10.
  • the radio frequency cable 30 includes a signal line 31 and a cladding layer 32, as shown in FIG. 3 .
  • the signal line 31 includes a conductor 311 and an insulator 312 enclosing the conductor 311.
  • the cladding layer 32 is made of polyethylene chloride (PVC) or polyurethane (PU), providing a good insulating performance.
  • the cladding layer 32 encloses the signal line 31.
  • a front end of the radio frequency cable 30 connects to a middle section of the power cable 10 close to a rear of the anti-interference unit 20 in a way to form a branch from the power cable 10.
  • the stress buffering part 40 is located at an intersection of the radio frequency cable 30 and the power cable 10.
  • the stress buffering part 40 is made of flexible insulating material to give the power cable an aesthetic outline, scratch resistance and an elongated service life.
  • the power cable assembly in this second embodiment is almost the same as that in first embodiment, except the following features.
  • the radio frequency cable 30 is arranged to locate in parallel to the power cable 10.
  • the cladding layer 32 of the radio frequency cable 30 is adjacent, side by side, to the coat 13 of the power cable 10, as shown in FIG. 5 .
  • One end of the radio frequency cable 30 and one end of the power cable 10 are collectively connected to an external connector (not shown).
  • the two conductive wires 111 of the power cable 10 and the signal line 31 of the radio frequency cable 30 respectively electrically connect to terminals inside the connector.
  • the power cable 10 has a core 11 which has a conductive wire 111 and a winding wire 112.
  • the winding wire 12 winds around the conductive wire 111 to block any power noises.
  • the conductive wire 111 and the winding wire 112 are respectively used as a positive and a negative wire or as a lead wire and a ground wire.
  • a first shielding layer 14 is further disposed between the insulating layer 12 and the coat 13 of the power cable 10.
  • the first shielding layer 14 can be made of metallic foil such as aluminum foil or woven net to block any external noises.
  • a first shielding layer 33 can be further disposed between the signal line 31 and the cladding layer 32 of the radio frequency cable 30.
  • the first shielding layer 33 can be made of metallic foil such as aluminum foil or woven net to block any external noises.
  • the first shielding layer 14 of the power cable 10 and the first shielding layer 33 of the radio frequency cable 30 can both be present, or only either of them could be present.
  • the power cable 10 can have the first shielding layer 14 while the radio frequency cable 30 has no shielding layers, or vice versa.
  • a second shielding layer 15 is further disposed between the first shielding layer 14 and the coat 13 of the power cable 10.
  • a woven net can be disposed as the second shielding layer 15 between the metallic foil and the coat 13 to form a multi-layered shield for further blocking any noises.
  • a second shielding layer 34 such as a woven net can be further disposed between the first shielding layer 33 and the cladding layer 32 of the radio frequency cable 30 for enhancing the noise blocking performance.
  • This multi-layered shield can be applied to the first embodiment of the invention so that the power cable 10 and the radio frequency cable 30 positioned in branched way offer an enhanced noise blocking performance.
  • the power cable in this third embodiment is almost the same as that in second embodiment, except that the radio frequency cable 30 has the same length as the power cable 10 and is adjacent to the power cable 10 along its whole length.
  • the power cable assembly in this fourth embodiment is almost the same as that in second embodiment, except the following features.
  • the power cable 10 has at least one radio frequency cable 30 at each side.
  • the number of radio frequency cables 30 around the power cable 10 is not particularly limited.
  • the core 11 of the power cable 10 includes more than two even-numbered conductive wires 111.
  • the first half of the conductive wires 111 are used as positive wires or lead wires and the second half of the conductive wires 111 are used as negative wires or ground wires.
  • the diameter of each conductive wire 111 is small enough that the whole diameter of the power cable will not be made large, in light of production cost.
  • the power cable assembly of the invention advantageously offers functions of power supply to the external electronic device via the power cable 10, and signal transmission of the electronic device via the radio frequency cable 30. Therefore, no additional antenna is needed for the purpose of signal transmission of the electronic device.

Landscapes

  • Insulated Conductors (AREA)
EP08150011A 2008-01-02 2008-01-02 Ensemble de câble électrique Withdrawn EP2077566A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08150011A EP2077566A1 (fr) 2008-01-02 2008-01-02 Ensemble de câble électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08150011A EP2077566A1 (fr) 2008-01-02 2008-01-02 Ensemble de câble électrique

Publications (1)

Publication Number Publication Date
EP2077566A1 true EP2077566A1 (fr) 2009-07-08

Family

ID=39446078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08150011A Withdrawn EP2077566A1 (fr) 2008-01-02 2008-01-02 Ensemble de câble électrique

Country Status (1)

Country Link
EP (1) EP2077566A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014180907A1 (fr) * 2013-05-07 2014-11-13 Schneider Electric Industries Sas Composant haute tension

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429984A (en) * 1967-04-20 1969-02-25 Itt Self-supporting coaxial cable
GB1229787A (fr) * 1967-08-30 1971-04-28
EP0234521A2 (fr) * 1986-02-28 1987-09-02 PIRELLI CAVI S.p.A. Câble électrique avec écran amélioré et processus de construction dudit écran
GB2270992A (en) * 1992-08-04 1994-03-30 Pirelli General Plc Cable containing separable electrical conductors and optical fibres

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429984A (en) * 1967-04-20 1969-02-25 Itt Self-supporting coaxial cable
GB1229787A (fr) * 1967-08-30 1971-04-28
EP0234521A2 (fr) * 1986-02-28 1987-09-02 PIRELLI CAVI S.p.A. Câble électrique avec écran amélioré et processus de construction dudit écran
GB2270992A (en) * 1992-08-04 1994-03-30 Pirelli General Plc Cable containing separable electrical conductors and optical fibres

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014180907A1 (fr) * 2013-05-07 2014-11-13 Schneider Electric Industries Sas Composant haute tension
CN105191037A (zh) * 2013-05-07 2015-12-23 施耐德电器工业公司 高压构件
CN105191037B (zh) * 2013-05-07 2018-06-19 施耐德电器工业公司 高压构件和高压构件装置

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