US20120279776A1 - Shield conducting path - Google Patents

Shield conducting path Download PDF

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Publication number
US20120279776A1
US20120279776A1 US13/520,039 US201113520039A US2012279776A1 US 20120279776 A1 US20120279776 A1 US 20120279776A1 US 201113520039 A US201113520039 A US 201113520039A US 2012279776 A1 US2012279776 A1 US 2012279776A1
Authority
US
United States
Prior art keywords
main body
tube main
partition wall
wall
electric wires
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.)
Abandoned
Application number
US13/520,039
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English (en)
Inventor
Yoshio Mizutani
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.)
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries 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 Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Assigned to SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD. reassignment SUMITOMO WIRING SYSTEMS, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MIZUTANI, YOSHIO
Publication of US20120279776A1 publication Critical patent/US20120279776A1/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/006—Constructional features relating to the conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients

Definitions

  • the present invention relates to a shield conducting path.
  • Patent Document 1 Japanese Patent No. 3909763
  • a vehicle such as a hybrid motor vehicle
  • plural types of electric wires such as a power electric wire, through which a high voltage and large current flows, an electric wire of a weak current system and the like are arranged.
  • a shield such as a braided wire
  • the electric wire of the weak current system it is necessary to insert them into the pipe after applying a shield, such as a braided wire, to the electric wire of the weak current system to prevent an influence of an electromagnetic noise generated by the power electric wire. Therefore, there is a problem that the number of the parts used is increased and it takes labor in processing.
  • the present invention is completed on the basis of the circumstances above, and an object of the present invention is to provide a shield conducting path which allows insertion of plural types of electric wires therethrough, and is processed easily into a desired shape.
  • the present invention is a shield conducting path including a plurality of electric wires each of which is formed by enclosing an electric conductor with an insulation coating, and a metallic pipe which protects and shields the electric wires by inserting them therethrough.
  • the shield conducting path has a tube main body which has a tubular shape and through which the electric wires are inserted, and a partition wall which is extended from an inner wall of the tube main body and partitions an inner portion of the tube main body.
  • the partition wall has a cross section of a curved shape or a bent shape when cut in a direction orthogonal to an axial direction of the tube main body.
  • the inner portion of the tube main body of the pipe is partitioned by the partition wall, it is possible to insert the plural types of electric wires without applying any shield, and it does not take labor in processing.
  • the cross section of the partition wall partitioning the tube main body is curved or bent, it is easily deformed.
  • the present invention is structured as follows.
  • the partition wall is formed line symmetrically or point symmetrically, or otherwise is configured by a plurality of partition parts which is of the same shape and extended from the inner wall of the tube main body to an axial center of the tube main body and are arranged in the inner wall of the tube main body so as to be spaced at even intervals, the partition wall is bent easily. Therefore, it becomes easier to process into the desired shape.
  • the shield conducting path which allows insertion of the plural types of electric wires therethrough and is processed easily into a desired shape.
  • FIG. 1 is a cross sectional view of a shield conducting path according to a first embodiment
  • FIG. 2 is a cross sectional view of a shield conducting path according to a second embodiment.
  • FIG. 3 is a cross sectional view of a shield conducting path which is described in the other embodiment (1).
  • a shield conducting path 10 according to the first embodiment is structured such that it is arranged between devices (not illustrated), for example, a battery, an inverter, a motor constituting a power source of a hybrid motor vehicle for driving and two types of non-shielded type electric wires 11 and 21 are inserted into a pipe 30 which includes a batch shielding function and an electric wire protecting function.
  • devices not illustrated
  • a battery for example, a battery, an inverter, a motor constituting a power source of a hybrid motor vehicle for driving and two types of non-shielded type electric wires 11 and 21 are inserted into a pipe 30 which includes a batch shielding function and an electric wire protecting function.
  • first electric wires 11 three electric wires arranged in an insertion space 34 (details of which are described later) on a right side of FIG. 1 are first electric wires 11 , four electric wires arranged in an insertion space 35 on a left side of FIG. 1 are second electric wires 21 .
  • second electric wires 21 these wires are collectively referred to as two types of electric wires 11 and 21 .
  • the two types of electric wires 11 and 21 are different in cross sectional diameter, and the first electric wire 11 is larger than the second electric wire 21 in the cross sectional diameter.
  • the two types of electric wires 11 and 21 are respectively structured such that outer peripheries of electric conductors 12 and 22 which are made of a metal (for example, an aluminum alloy, an aluminum, a copper, a copper alloy or the like) are enclosed by insulation coatings 13 and 23 which are made of a synthetic resin.
  • Each of the electric conductors 12 and 22 of the two types of electric wires 11 and 21 is formed of a rod-like single core wire or a strand wire which is obtained by spirally bundling a plurality of thin wires, and is shaped to have an approximately circular cross section.
  • the insulation coatings 13 and 23 are also shaped to have an approximate circle cross section on their outer periphery, in the same manner as the electric conductors 12 and 22 .
  • the pipe 30 is made of a metal (for example, an aluminum alloy, a copper alloy or the like), and has a cylinder portion 31 (corresponding to a tube main body 31 ) which is formed to have an approximately circular cross section, and a partition wall 32 which is extended from an inner wall 31 A of the cylinder portion 31 so as to partition an inner portion 31 B of the cylinder portion 31 .
  • the cylinder portion 31 and the partition wall 32 are integrally formed by extrusion molding.
  • the partition wall 32 is formed over an entire length of the pipe 30 , passes through an axial center Y of the cylinder portion 31 from one end portion of an inner peripheral surface (an inner wall) of the cylinder portion 31 , and is formed over an inner peripheral surface which faces the one end portion.
  • the partition wall 32 has a cross section which is curved like a sine curve in a direction orthogonal to an axial direction of the cylinder portion 31 , as shown in FIG. 1 .
  • the partition wall 32 has a cross section which is approximately point symmetrical with respect to the axial center Y of the cylinder portion 31 .
  • the inner portion 31 B of the cylinder portion 31 is partitioned into two insertion spaces 34 and 35 by the partition wall 32 .
  • Each of the insertion spaces 34 and 35 is a space which is enclosed by the inner wall 31 A of the cylinder portion 31 and the partition wall 32 .
  • the first electric wire 11 and the second electric wire 21 are inserted into the insertion spaces 34 and 35 respectively from an opening in one end side of the pipe 30 .
  • the insertion space 34 on a right side in Figure through which the first electric wire 11 is inserted is the first insertion space 34
  • the insertion space 35 on a left side in Figure through which the second electric wire 21 is inserted is the second insertion space 35 .
  • these two insertion spaces are collectively refereed to as the insertion spaces 34 and 35 .
  • the two types of electric wires 11 and 21 are inserted into the inner portion 31 B of the cylinder portion 31 of the pipe 30 when manufacturing the shield conducting path 10 according to the present embodiment.
  • Three first electric wires 11 are inserted into the first insertion space 34 from the opening in the one end side of the pipe 30 , and four second electric wires are inserted into the second insertion space 35 .
  • the inner portion 31 B of the cylinder portion 31 A of the pipe 30 is partitioned by the partition wall 32 , it is not necessary to apply any shield when inserting the two types of electric wires 11 and 21 . Therefore, it does not take labor in processing and the number of the parts used is not increased.
  • the insertion space is reduced by the partition wall, a surface area contacting with the electric wire is increased. Therefore, there is an effect that a heat generated by the electric wire is discharged.
  • the shield conducting path 10 When arranging the shield conducting path 10 according to the present embodiment which is manufactured as mentioned above, it is deformed into a shape which is suited to the arranged position. In the present embodiment, since the cross section of the partition wall 32 partitioning the cylinder portion 31 is curved, it is easy to deform the shielded conducting path 10 .
  • the clearances 36 and 37 are provided between the first and second insertion spaces 34 and 35 and the outer peripheral surfaces of the respective insulation coatings 13 and 23 of the two types of electric wires 11 and 21 , a bending processing can easily be carried out without damaging the insulation coatings 13 and 23 of the electric wires 11 and 21 .
  • the cross sectional shape of the partition wall 32 is formed point symmetrically the partition wall 32 is easily bent, and therefore can be more easily processed into a desired shape.
  • the shield conducting path 10 which allows insertion of the plural types of electric wires 11 and 21 therethrough, and can be processed easily into a desired shape.
  • a shield conducting path 40 according to the present embodiment is structured so as to be arranged between devices (not illustrated) in the same manner as the first embodiment, and is structured such that three types of non-shielded type electric wires 51 , 61 and 71 are inserted into a pipe 80 having a batch shielding function and an electric wire protecting function.
  • one electric wire arranged in an insertion space 84 (details of which are mentioned later) on an upper side of FIG. 2 is a third electric wire 51
  • two electric wires arranged in an insertion space 85 on a right lower side of FIG. 2 are a fourth electric wire 61
  • four electric wires arranged in an insertion space 86 on a left lower side of FIG. 2 are fifth electric wires 71 .
  • these electric wires are collectively referred to as three types of electric wires 51 , 61 and 71 .
  • the three types of electric wires 51 , 61 and 71 are different in their cross sectional diameter, and the cross sectional diameter is larger in the order of the third electric wire 51 , the fourth electric wire 61 and the fifth electric wire 71 .
  • the three types of electric wires 51 , 61 and 71 are respectively structured such that outer peripheries of electric conductors 52 , 62 and 72 which are made of a metal (for example, an aluminum alloy, an aluminum, a copper, a copper alloy) are enclosed by insulation coatings 53 , 63 and 73 , which are made of a synthetic resin.
  • Each of the electric conductors 52 , 62 and 72 of the three types of electric wires 51 , 61 and 71 is formed of a rod-like single core wire or a stranded wire which is obtained by spirally bundling a plurality of thin wires, and is shaped to have an approximately circular cross section.
  • the insulation coatings 53 , 63 and 73 have a cross section which is approximately circular in the on their outer periphery, in the same manner as the electric conductors 52 , 62 and 72 .
  • the pipe 80 is made of a metal (for example, an aluminum alloy, a copper alloy or the like), and has a cylinder portion 81 (corresponding to a tube main body 81 ) which is formed to have an approximately circular cross section, and a partition wall 82 which is extended from an inner wall 81 A of the cylinder portion 81 so as to partition an inner portion 81 B of the cylinder portion 81 .
  • the cylinder portion 81 and the partition wall 82 are integrally formed by extrusion molding.
  • the partition wall 82 is formed over an entire length of the pipe 80 , is configured by three partition parts 83 , 83 and 83 which are formed into a circular arc shape and extended from the inner wall 81 A of the cylinder portion 81 to an axial center Z of the cylinder portion 81 .
  • the partition wall 82 has a cross section of a curved shape when cut in a direction orthogonal to an axial direction of the cylinder portion 81 as shown in FIG. 2 .
  • the extended ends (the end portions in the side of the axial center Z) of three partition parts 83 , 83 and 83 are connected to each other and integrated in the axial center Z of the cylinder portion 81 .
  • the three partition parts 83 , 83 and 83 have the identical shape and are arranged at an even pitch of 120 degrees in a peripheral direction of the inner wall 81 A of the cylinder portion 81 .
  • the inner portion 81 B of the cylinder portion 81 is partitioned into three insertion spaces 84 , 85 and 86 by the partition wall 82 .
  • Each of the insertion spaces 84 , 85 and 86 is a space which is enclosed by the inner wall 81 A of the cylinder portion 81 and the partition wall 82 .
  • the third electric wire 51 , the fourth electric wire 61 and the fifth electric wire 71 are inserted respectively into the insertion spaces 84 , 85 and 86 from an opening in one end side of the pipe 80 .
  • the insertion space 84 on an upper side of the drawing through which the third electric wire 51 is inserted is the third insertion space 84
  • the insertion space 85 on a right lower side of the drawing through which the fourth electric wire 61 is inserted is the fourth insertion space 85
  • the insertion space 86 on a left side of the drawing through which the fifth electric wire 71 is inserted is the fifth insertion space 86 .
  • these three insertion spaces are collectively referred to as the insertion spaces 84 , 85 and 86 .
  • the three types of electric wires 51 , 61 and 71 are inserted into the inner portion 81 B of the cylinder portion 81 of the pipe 80 when manufacturing the shield conducting path 40 according to the present embodiment.
  • a single third electric wire 51 is inserted into the third insertion space 84 from the opening in the one end side of the pipe 80
  • two fourth electric wires 61 are inserted into the fourth insertion space 85
  • four fifth electric wires 71 are inserted into the fifth insertion space 86 .
  • the inner portion 81 B of the cylinder portion 81 of the pipe is partitioned by the partition wall 82 , it is not necessary to apply any shield when inserting plural types of electric wires 51 , 61 and 71 . Therefore, it does not take labor in processing and the number of the parts is not increased.
  • the shield conducting path 40 When arranging the shield conducting path 40 according to the present embodiment which is manufactured as mentioned above, it is deformed into a shape suited to the arranged position. In the present embodiment, since the cross sectional shape of the partition wall 82 partitioning the cylinder portion 81 is formed in a curved shape, it is easily deformed.
  • the clearances 87 , 88 and 89 are provided between the respective insertion spaces 84 , 85 and 86 and the outer peripheral surfaces of the insulation coatings 53 , 63 and 73 of the electric wires, a bending processing can easily be carried out, and it is processed into a desired shape more easily.
  • the shield conducting path 40 which allows insertion of three types of electric wires 51 , 61 and 71 , and can easily be processed into a desired shape.
  • partition wall there are shown the structure in which the cross sectional shape is curved and point symmetric, and the structure configured by a plurality of partition parts which is of the same shape and extended from the inner wall of the tube main body to the axial center of the tube main body and are arranged in the inner wall of the tube main body so as to be spaced at even intervals.
  • the structure is not limited to this.
  • the structure of the partition wall may be optional as long as the cross section has a curved shape or a bent shape.
  • the partition wall may have a bent cross section as shown in FIG. 3 .
  • the shield conducting path shown in FIG. 3 has the same structure as the shield conducting path according to the first embodiment except that the cross sectional shape of the partition wall is the bent shape.
  • the partition wall maybe formed line symmetrically, a partition wall having a circular arc shaped cross section may be formed at a position which does not uniformly divide the inner portion of the tube main body, or a plurality of partition walls may be arranged. Further, the partition wall may be formed by arranging a plurality of partition parts of the same shape at uneven intervals. Further, the partition wall maybe formed by arranging a plurality of partition parts having different shapes at either even or uneven intervals.
  • the plural types (two types or three types) of electric wires are inserted into the insertion spaces of the tube main body by type.
  • a plurality of electric wires of the same type may be inserted separately into a plurality of separate insertion spaces.
  • the cross sectional shape of the pipe may be an approximate oval or an approximate polygon instead of a approximate circle.
  • the metal pipe may be formed by welding in addition to the structure which is integrally formed by extrusion molding.
  • a wire rod such as an optical fiber or the like may be additionally inserted into the pipe.
  • the cross section of the electric wire may be formed into a flat shape, an approximately oval shape, an approximately elliptic shape, an approximately rectangular shape and the like in addition to the approximately circular shape.
  • the diameter of the cross section of the inserted electric wire may be the same or about the same.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Insulated Conductors (AREA)
  • Details Of Indoor Wiring (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
US13/520,039 2010-01-14 2011-01-13 Shield conducting path Abandoned US20120279776A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010005706A JP4897058B2 (ja) 2010-01-14 2010-01-14 シールド導電路
JP2010-005706 2010-01-14
PCT/JP2011/050395 WO2011087032A1 (ja) 2010-01-14 2011-01-13 シールド導電路

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/050395 A-371-Of-International WO2011087032A1 (ja) 2010-01-14 2011-01-13 シールド導電路

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US14/742,350 Continuation US9396840B2 (en) 2010-01-14 2015-06-17 Shield conducting path
US14/742,350 Continuation-In-Part US9396840B2 (en) 2010-01-14 2015-06-17 Shield conducting path

Publications (1)

Publication Number Publication Date
US20120279776A1 true US20120279776A1 (en) 2012-11-08

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US13/520,039 Abandoned US20120279776A1 (en) 2010-01-14 2011-01-13 Shield conducting path
US14/742,350 Active US9396840B2 (en) 2010-01-14 2015-06-17 Shield conducting path

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Application Number Title Priority Date Filing Date
US14/742,350 Active US9396840B2 (en) 2010-01-14 2015-06-17 Shield conducting path

Country Status (7)

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US (2) US20120279776A1 (ja)
JP (1) JP4897058B2 (ja)
KR (2) KR20140013053A (ja)
CN (1) CN102714076A (ja)
BR (1) BR112012017403A2 (ja)
DE (1) DE112011100246T5 (ja)
WO (1) WO2011087032A1 (ja)

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US20150162731A1 (en) * 2012-05-16 2015-06-11 Autonetworks Technologies, Ltd. Electric-wire protection pipe and wire harness
EP2945236A3 (en) * 2014-05-16 2015-11-25 Sumitomo Wiring Systems, Ltd. Shielded conductive path
US9676348B2 (en) 2014-03-03 2017-06-13 Sumitomo Wiring Systems, Ltd. Shield conductive path
CN107112087A (zh) * 2014-12-03 2017-08-29 株式会社自动网络技术研究所 屏蔽导电路径
US20170324231A1 (en) * 2014-12-03 2017-11-09 Autonetworks Technologies, Ltd. Shielded conductive path
US9888618B2 (en) * 2013-06-27 2018-02-06 Yazaki Corporation Shielded harness and manufacturing method therefor
DE102017209998A1 (de) 2017-06-14 2018-12-20 Bombardier Transportation Gmbh Anordnung von Kabelbündeln, Fahrzeug und Verfahren zur Herstellung der Anordnung
US10302289B2 (en) 2017-06-09 2019-05-28 Kearney-National Inc. Lighting pole with isolated axial chambers

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JP5915250B2 (ja) * 2012-02-23 2016-05-11 住友電装株式会社 ワイヤハーネスの配索構造および該配索構造の形成方法
JP6292452B2 (ja) * 2015-05-08 2018-03-14 株式会社オートネットワーク技術研究所 シールド導電路
CN105448417A (zh) * 2015-12-08 2016-03-30 无锡裕德电缆科技有限公司 一种轨道交通1500v及以下直流牵引多芯电力电缆
CN108778547B (zh) * 2015-12-18 2021-02-09 山特维克原料技术德国公开股份有限公司 一种制造金属制成的管的方法以及一种金属制成的管
JP6610411B2 (ja) * 2016-04-25 2019-11-27 住友電装株式会社 導電部材
US10234649B2 (en) * 2017-07-03 2019-03-19 Wesco Distribution, Inc. Fabric encased micro tubes for air blown fibers
CN107910114A (zh) * 2017-10-17 2018-04-13 安徽庆华电缆有限公司 一种环保无卤低烟耐热阻燃聚烯烃绝缘电缆
US10830978B2 (en) * 2018-05-10 2020-11-10 Commscope Technologies Llc Devices and methods for bundling cables
US11025040B2 (en) * 2018-08-21 2021-06-01 Vitaliy Lyvytsky Modular electrical conduit split assembly
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US20150287500A1 (en) 2015-10-08
JP4897058B2 (ja) 2012-03-14
KR101348492B1 (ko) 2014-01-06
CN102714076A (zh) 2012-10-03
WO2011087032A1 (ja) 2011-07-21
KR20120102798A (ko) 2012-09-18
BR112012017403A2 (pt) 2017-12-19
JP2011146228A (ja) 2011-07-28
US9396840B2 (en) 2016-07-19
KR20140013053A (ko) 2014-02-04
DE112011100246T5 (de) 2013-05-02

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