WO2021132031A1 - Wire harness - Google Patents

Wire harness Download PDF

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Publication number
WO2021132031A1
WO2021132031A1 PCT/JP2020/047236 JP2020047236W WO2021132031A1 WO 2021132031 A1 WO2021132031 A1 WO 2021132031A1 JP 2020047236 W JP2020047236 W JP 2020047236W WO 2021132031 A1 WO2021132031 A1 WO 2021132031A1
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WO
WIPO (PCT)
Prior art keywords
electromagnetic shield
wire harness
pipe
wire
shielded electric
Prior art date
Application number
PCT/JP2020/047236
Other languages
French (fr)
Japanese (ja)
Inventor
武史 清水
裕隆 馬場
真博 萩
雅保 辻
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
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 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2021132031A1 publication Critical patent/WO2021132031A1/en

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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
    • 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
    • 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • 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
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields

Definitions

  • This disclosure relates to a wire harness.
  • a wire harness there is a wire harness in which the core wires of a plurality of electric wires are connected to each other (see, for example, Patent Document 1).
  • the connecting part between the core wires is exposed from the insulating coating of the electric wire, but the exposed part of the conductor including the connecting part is covered with the waterproof material to prevent water from being exposed from the outside.
  • a shielded electric wire may be used as the electric wire of the wire harness as described above.
  • the shielded electric wire has an electromagnetic shield member such as a braided wire that covers the outer circumference of the core wire, and the radiation of electromagnetic waves is suppressed.
  • an electromagnetic shield member such as a braided wire that covers the outer circumference of the core wire, and the radiation of electromagnetic waves is suppressed.
  • the periphery of the connecting portion where the core wires are connected is exposed from the electromagnetic shield member and electromagnetic waves are radiated from the periphery of the connecting portion.
  • the electromagnetic shield members are directly connected to each other on the outside of the connection portion, it is difficult to connect the electromagnetic shield members while arranging them so as to cover the entire circumference of the connection portion, and there is concern about the radiation of electromagnetic waves. Will be done.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a wire harness capable of suppressing the radiation of electromagnetic waves from the periphery of a connection portion with a simple configuration.
  • the wire harness of the present disclosure includes a plurality of shielded electric wires having a core wire and an electromagnetic shield member covering the outer periphery of the core wire, a connecting portion in which the core wires are connected to each other, and a plurality of said above covering the connecting portion and covering the outer peripheral surface. It is provided with an electromagnetic shield pipe to which an electromagnetic shield member is connected.
  • the wire harness of the present disclosure it is possible to suppress the radiation of electromagnetic waves from the periphery of the connection portion with a simple configuration.
  • FIG. 1 is a partial schematic cross-sectional view of a wire harness according to an embodiment.
  • FIG. 2 is a schematic cross-sectional view for explaining the manufacturing process of the wire harness in one embodiment.
  • FIG. 3 is a schematic cross-sectional view for explaining the manufacturing process of the wire harness in one embodiment.
  • FIG. 4 is a schematic cross-sectional view for explaining the manufacturing process of the wire harness in one embodiment.
  • FIG. 5 is a schematic cross-sectional view for explaining the manufacturing process of the wire harness in one embodiment.
  • FIG. 6 is a schematic view of a wire harness in another example.
  • the wire harness of the present disclosure is [1] A plurality of shielded electric wires having a core wire and an electromagnetic shield member covering the outer periphery of the core wire, a connection portion to which the core wires are connected, and a plurality of the electromagnetic shield members covering the connection portion and covering the outer peripheral surface. It is equipped with a connected electromagnetic shield pipe.
  • an electromagnetic shield pipe which covers the connection portion where the core wires of the shielded electric wire are connected to each other and has a plurality of electromagnetic shield members of the shielded electric wire connected to the outer peripheral surface. The emission of electromagnetic waves is suppressed.
  • the electromagnetic shield pipe is preferably made of a material having a constant inner diameter and outer diameter.
  • the electromagnetic shield pipe is made of a material having a constant inner diameter and outer diameter, it has a simpler configuration than, for example, a material in which at least one of the inner diameter and the outer diameter is not constant. Become.
  • the fixing member for fixing the plurality of electromagnetic shield members arranged on the outer peripheral surface of the electromagnetic shield pipe is provided, for example, the electromagnetic shield member can be easily provided without performing complicated welding work or the like. It can be connected to the outer peripheral surface of the electromagnetic shield pipe.
  • the fixing member is a caulking member that is provided so as to surround the outer periphery of the electromagnetic shield pipe and is caulked and fixed.
  • the fixing member is a caulking member provided and fixed so as to surround the outer periphery of the electromagnetic shield pipe
  • the electromagnetic shield member can be easily connected to the outer peripheral surface of the electromagnetic shield pipe. Can be done.
  • the waterproof member that covers the electromagnetic shield pipe since the waterproof member that covers the electromagnetic shield pipe is provided, the electromagnetic shield pipe and the connection portion arranged inside the electromagnetic shield pipe are prevented from being exposed to water.
  • the wire harness 11 includes a plurality of shielded electric wires 12 to 14 and a crimp terminal 15 as a connecting portion.
  • the shielded electric wires 12 to 14 have core wires 12a to 14a and internal insulating coatings 12b to 14b covering the outer periphery of the core wires 12a to 14a.
  • the shielded electric wires 12 to 14 have an electromagnetic shield member 12c to 14c that covers the outer circumference of the internal insulation coatings 12b to 14b, and an external insulation coating 12d to 14d that covers the outer circumference of the electromagnetic shield members 12c to 14c.
  • the electromagnetic shield members 12c to 14c suppress the radiation of electromagnetic waves from the core wires 12a to 14a.
  • the electromagnetic shield members 12c to 14c of the present embodiment are braided wires in which a conductive wire such as an aluminum alloy is woven into a tubular shape. At the ends of the shielded electric wires 12 to 14, the core wires 12a to 14a and the electromagnetic shield members 12c to 14c are provided so as to be exposed to the outside.
  • the crimp terminal 15 is made of, for example, a conductive metal plate material.
  • the crimp terminal 15 is crimped while enclosing the core wires 12a to 14a of the plurality of shielded electric wires 12 to 14 together to connect the core wires 12a to 14a.
  • the wire harness 11 is for electrically connecting the battery and the two electric devices, for example.
  • the shielded electric wires 12 to 14 are provided so that one shielded electric wire 12 extends from one side (left side in FIG. 1) of the crimping terminal 15 in the extending direction of the wire harness 11 with the crimping terminal 15 as the center.
  • Two shielded electric wires 13 and 14 are provided so as to extend on the other side (right side in FIG. 1) of 15.
  • the outside of the crimp terminal 15 is covered with an insulating member 16 such as an insulating tape.
  • the insulating member 16 is provided so as to cover all the core wires 12a to 14a protruding from the internal insulating coatings 12b to 14b.
  • the wire harness 11 of the present embodiment includes an electromagnetic shield pipe 17 that covers the crimp terminal 15 via the insulating member 16.
  • the electromagnetic shield pipe 17 suppresses the radiation of electromagnetic waves from the core wires 12a to 14a including the crimp terminal 15.
  • the electromagnetic shield pipe 17 of the present embodiment is made of a material having a constant inner diameter and outer diameter, and is made of, for example, a conductive metal pipe such as an aluminum alloy.
  • the electromagnetic shield pipe 17 is provided so that the length of the wire harness 11 along the extending direction is set longer than the length of the insulating member 16 so that the insulating member 16 is completely covered.
  • the electromagnetic shield pipe 17 of the present embodiment already surrounds the outer periphery of one shielded electric wire 12 when the crimping terminal 15 is crimped to the core wires 12a to 14a, in other words, 1
  • the two shielded electric wires 12 are arranged in a state of being passed through.
  • the electromagnetic shield pipe 17 is in a state where the crimp terminal 15 is crimped to the core wires 12a to 14a, and the insulating member 16 is further provided to the crimp terminal 15.
  • the wire harness 11 is relatively moved and arranged in the extending direction so as to cover the insulating member 16.
  • the electromagnetic shield members 12c to 14c of the plurality of shielded electric wires 12 to 14 are connected to the outer peripheral surface of the electromagnetic shield pipe 17.
  • the electromagnetic shield members 12c to 14c of the present embodiment are braided wires as described above, and a part thereof is arranged on a part of the outer peripheral surface of the electromagnetic shield pipe 17 in the circumferential direction.
  • the wire harness 11 of the present embodiment includes a caulking member 18 as a fixing member for fixing a plurality of electromagnetic shield members 12c to 14c arranged on the outer peripheral surface of the electromagnetic shield pipe 17.
  • the caulking member 18 of the present embodiment is made of a material having a constant inner diameter and outer diameter, and is made of, for example, a conductive metal pipe such as an aluminum alloy.
  • the length of the caulking member 18 along the extending direction of the wire harness 11 is set shorter than the length of the electromagnetic shield pipe 17, and the caulking member 18 is provided so as to surround the outer periphery of the electromagnetic shield pipe 17 at substantially the center of the electromagnetic shield pipe 17. Be done.
  • the caulking member 18 is caulked and fixed so as to sandwich and fix a part of all the electromagnetic shield members 12c to 14c arranged on the outer peripheral surface of the electromagnetic shield pipe 17.
  • the caulking member 18 of the present embodiment is arranged so that when the crimp terminal 15 is crimped to the core wires 12a to 14a, it already surrounds the outer periphery of one shielded electric wire 12, in other words, one.
  • the shielded electric wire 12 is arranged in a state of being passed through.
  • the caulking member 18 has the electromagnetic shield member 12c in a state where the electromagnetic shield members 12c to 14c are arranged on the outer peripheral surface of the electromagnetic shield pipe 17 as described above.
  • the wire harness 11 is relatively moved in the extending direction and caulked and fixed so as to cover ⁇ 14c.
  • the wire harness 11 includes a waterproof member 19 that covers the electromagnetic shield pipe 17.
  • the waterproof member 19 of the present embodiment has a resin pipe 20 and rubber stoppers 21 and 22.
  • the resin pipe 20 corresponds to the outer circumference of the external insulating coating 12d of one shielded electric wire 12 extending to one side (left side in FIG. 1) of the crimp terminal 15 in the extending direction of the wire harness 11 with the crimp terminal 15 as the center.
  • the length is set to cover the outer circumferences of the external insulating coatings 13d and 14d of the two shielded wires 13 and 14 extending from the position to the other side (right side in FIG. 1) of the crimp terminal 15.
  • One rubber stopper 21 is provided so as to close between the opening end on one side of the resin pipe 20 and the outer circumference of the external insulating coating 12d, and the other rubber stopper 22 is an opening on the other side of the resin pipe 20. It is provided so as to close the space between the end and the outer periphery of the external insulating coatings 13d and 14d.
  • the wire harness 11 is provided with binding bands 23 and 24 for preventing the rubber stoppers 21 and 22 from slipping.
  • the binding bands 23 and 24 are fixed to the outer periphery of the external insulating coatings 12d to 14d on the shielded electric wires 12 to 14 adjacent to the rubber stoppers 21 and 22, so that the rubber stoppers 21 and 22 are displaced, that is, they are removed from the resin pipe 20. To prevent.
  • the shielded electric wires 12 to 14 have electromagnetic shield members 12c to 14c that cover the outer periphery of the core wires 12a to 14a via the internal insulating coatings 12b to 14b, the radiation of electromagnetic waves from the shielded electric wires 12 to 14 is suppressed.
  • the crimp terminal 15 which is a connecting portion in which the core wires 12a to 14a are connected to each other is not covered by the electromagnetic shield members 12c to 14c, it is covered by the electromagnetic shield pipe 17 to which the electromagnetic shield members 12c to 14c are connected to the outer peripheral surface. Therefore, the emission of electromagnetic waves from the periphery of the crimp terminal 15 is suppressed.
  • An electromagnetic shield pipe 17 which covers the crimp terminal 15 to which the core wires 12a to 14a of the shielded electric wires 12 to 14 are connected to each other and is connected to the electromagnetic shield members 12c to 14c of all the shielded electric wires 12 to 14 on the outer peripheral surface. Therefore, the emission of electromagnetic waves from the periphery of the crimp terminal 15 can be suppressed with a simple configuration.
  • the electromagnetic shield pipe 17 Since the electromagnetic shield pipe 17 is made of a material having a constant inner diameter and outer diameter, it has a simpler configuration than, for example, a material in which at least one of the inner diameter and the outer diameter is not constant.
  • the caulking member 18 is provided as a fixing member for fixing the plurality of electromagnetic shield members 12c to 14c arranged on the outer peripheral surface of the electromagnetic shield pipe 17, for example, complicated welding work can be easily performed.
  • the electromagnetic shield members 12c to 14c can be connected to the outer peripheral surface of the electromagnetic shield pipe 17.
  • the fixing member is a caulking member 18 provided and fixed so as to surround the outer periphery of the electromagnetic shield pipe 17, the electromagnetic shield members 12c to 14c are easily connected to the outer peripheral surface of the electromagnetic shield pipe 17. be able to.
  • the caulking member 18 is made of a material having a constant inner diameter and outer diameter, it has a simpler configuration than, for example, a material in which at least one of the inner diameter and the outer diameter is not constant.
  • This embodiment can be implemented by changing as follows.
  • the present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
  • the shielded electric wires 12 to 14 have a single core wire 12a to 14a inside the electromagnetic shield members 12c to 14c, respectively, but the present invention is not limited to this, and a plurality of core wires are collectively combined. It may be a shielded electric wire having an electromagnetic shield member to cover it.
  • the wire harness 30 has three shielded electric wires 31 to 33.
  • the three shielded wires 31 to 33 have an insulating coating (not shown) that covers the outer circumferences of the two core wires 34 to 39 and the outer circumferences of the two core wires 34 to 39, respectively, and the two core wires 34 to 39.
  • It has electromagnetic shield members 40 to 42 that collectively cover the insulating coating.
  • the connecting portions 43 and 44 to which the ends of the core wires 34 to 39 exposed from the insulating coating are connected are collectively covered with the electromagnetic shield pipe 45.
  • a part of all the electromagnetic shield members 40 to 42 is arranged on the outer peripheral surface of the electromagnetic shield pipe 45 and is fixed by the caulking member 46. Even in this way, the radiation of electromagnetic waves from the periphery of the connection portions 43 and 44 can be suppressed with a simple configuration.
  • the electromagnetic shield pipe 17 may be made of a material having a constant inner diameter and outer diameter before the caulking member 18 is caulked and fixed, and the caulking member 18 is caulked and fixed. It may be crushed and deformed by being used, or it may not be deformed.
  • the electromagnetic shield pipe 17 is made of a material having a constant inner diameter and outer diameter, but the present invention is not limited to this, and for example, the inner diameter and outer diameter are before the caulking member 18 is caulked and fixed. At least one of the above may be made of a material that is not constant.
  • the wire harness 11 includes a caulking member 18 as a fixing member for fixing the electromagnetic shield members 12c to 14c arranged on the outer peripheral surface of the electromagnetic shield pipe 17, but the present invention is not limited to this.
  • the electromagnetic shield members 12c to 14c may be welded to the outer peripheral surface of the electromagnetic shield pipe 17. Further, it may be changed to a fixing member which is fixed by a configuration other than caulking fixing.
  • the caulking member 18 is made of a material having a constant inner diameter and outer diameter before being crimped, but is not limited to this, and is made of, for example, a material in which at least one of the inner diameter and the outer diameter is not constant. It may be a thing.
  • the caulking member 18 may have a shape in which a part in the circumferential direction is cut out, and may be, for example, a C ring having a C-shaped cross section. In this way, the caulking member can be easily assembled.
  • the wire harness 11 is provided with the waterproof member 19 that covers the electromagnetic shield pipe 17, but the present invention is not limited to this, and the wire harness 11 may be configured not to be provided with the waterproof member 19.
  • the waterproof member 19 is said to have the resin pipe 20 and the rubber stoppers 21 and 22, it may have another configuration having the same function, for example, another configuration such as a shrinkable tube.
  • the binding bands 23 and 24 of the above embodiment may or may not be provided as needed.
  • the electromagnetic shield members 12c to 14c are braided wires, but other configurations such as a metal foil may be used as long as the emission of electromagnetic waves can be suppressed.
  • connection portion where the core wires 12a to 14a are connected to each other is the crimp terminal 15, but the present invention is not limited to this, and for example, the core wires 12a to 14a are connected to each other by welding and the welding thereof is performed.
  • the part may be a connecting part.
  • the conductive core wires 12a, 13a, 14a of the shielded electric wires 12, 13, 14 of the embodiment can have different or the same exposed lengths from each other.
  • the core wire 12a may be overlapped with each of the core wires 13a and 14a with different or the same overlapping length.
  • the electromagnetic shield pipe 17 of the embodiment may have two open ends.
  • one open end of the electromagnetic shield pipe 17 is an internal insulating coating of a first shielded electric wire (for example, the shielded electric wire 12) which is at least one of a plurality of shielded electric wires 12, 13, 14.
  • the internal insulating coating 12b may be positioned so as to overlap in the radial direction, and the other open end of the electromagnetic shield pipe 17 is the second shielded wire which is the rest of the plurality of shielded wires 12, 13, 14.
  • the shielded electric wires 13 and 14 may be positioned so as to overlap with the internal insulating coating (for example, the internal insulating coatings 13b and 14b) in the radial direction.
  • the electromagnetic shield pipe 17 of the embodiment may be equal to or longer than the exposed length of the conductive core wires 12a, 13a, 14a of all the shielded electric wires 12, 13, 14.
  • the electromagnetic shield pipe 17 may have a radial inward surface and a radial outward surface that extend continuously over the entire circumference and the entire length of the electromagnetic shield pipe 17.
  • the radial inward surface of the electromagnetic shield pipe 17 covers the entire length of the conductive core wires 12a, 13a, 14a of all the shielded electric wires 12, 13, 14 and the entire circumference of the core wires 12a, 13a, 14a in the radial direction. It may be surrounded from the outside.
  • each electromagnetic shield member 12c to 14c of the embodiment may have an extension tip portion drawn out radially outward from the corresponding electric wires 12, 13 and 14.
  • each extending tip portion of the electromagnetic shield member 12c to 14c is formed by deforming or processing the tip portion of the braided wire cylinder. It may be a strip-shaped or linear braided line.
  • the extending tip of the electromagnetic shield member (for example, the electromagnetic shield member 12c) of the first shielded electric wire (for example, the shielded electric wire 12) which is at least one of the plurality of shielded electric wires 12, 13, and 14.
  • the portion may be in electrical contact with the radial outward surface of one open end of the electromagnetic shielded pipe 17, and is the remaining second shielded wire (eg, shield) of the plurality of shielded wires 12, 13, 14.
  • the extending tip of the electromagnetic shield member (for example, the electromagnetic shield member 13c, 14c) of the electric wires 13 and 14) may be in electrical contact with the radial outward surface of the other open end of the electromagnetic shield pipe 17.
  • the resin pipe 20 included in the waterproof member 19 may have a radial inward surface extending over the entire length of the resin pipe 20 and two open ends.
  • one open end of the resin pipe 20 is an external insulating coating (for example, the shielded electric wire 12) of the first shielded electric wire (for example, the shielded electric wire 12) which is at least one of the plurality of shielded electric wires 12, 13, 14.
  • the outer insulating coating 12d may be positioned so as to overlap the radial outward surface in the radial direction, and the other open end of the resin pipe 20 is the remainder of the plurality of shielded electric wires 12, 13, 14.
  • the rubber stopper 21 included in the waterproof member 19 of the embodiment alone or in cooperation with the binding band 23 is the open end of the resin pipe 20 and the first shielded electric wire (for example, the shielded electric wire 12).
  • the radial outward surface of the external insulating coating (for example, the external insulating coating 12d) may be referred to as a first elastic sealing element that seals watertightly and positions the wire harness 11 in the extending direction.
  • the rubber stopper 22 included in the waterproof member 19 of the embodiment alone or in cooperation with the binding band 24 has the other open end of the resin pipe 20 and the second shielded electric wire (for example, the shielded electric wires 13, 14).
  • the radial outward surface of the external insulating coating (for example, the external insulating coatings 13d and 14d) is referred to as a second elastic sealing element that seals water-stop and positions the wire harness 11 in the extending direction.
  • Electromagnetic shield member 12d-14d External insulation coating 15 Crimping terminal (connection part) 16 Insulation member 17 Electromagnetic shield pipe 18 Caulking member (fixing member) 19 Waterproof member 20 Resin pipe 21,22 Rubber stopper 23,24 Binding band 30 Wire harness 31-33 Shielded wire 34-39 Core wire 40-42 Electromagnetic shield member 43,44 Connection part 45 Electromagnetic shield pipe 46 Caulking member (fixing member)

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  • Insulated Conductors (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Cable Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

One embodiment of the present disclosure provides a wire harness that makes it possible to inhibit, via a simple configuration, the radiation of electromagnetic waves from the periphery of a connection part. A wire harness (11) according to an embodiment of the present disclosure comprises: a plurality of shielded electrical wires (12–14) comprising cores (12a–14a) and electromagnetic shielding members (12c–14c) covering the outer periphery of the cores (12a–14a); a crimped terminal (15) where the cores (12a–14a) are connected to each other; and an electromagnetic shielding pipe (17) that covers the crimped terminal (15), the plurality of electromagnetic shielding members (12c–14c) being connected to an outer peripheral surface of the pipe (17).

Description

ワイヤハーネスWire harness
　本開示は、ワイヤハーネスに関するものである。 This disclosure relates to a wire harness.
　従来、ワイヤハーネスとしては、複数の電線の芯線同士が接続されてなるものがある（例えば、特許文献１参照）。このワイヤハーネスでは、芯線同士の接続部が電線の絶縁被覆から露出することになるが、接続部を含む導体の露出部は、止水材によって覆われることで外部からの被水が防止されている。 Conventionally, as a wire harness, there is a wire harness in which the core wires of a plurality of electric wires are connected to each other (see, for example, Patent Document 1). In this wire harness, the connecting part between the core wires is exposed from the insulating coating of the electric wire, but the exposed part of the conductor including the connecting part is covered with the waterproof material to prevent water from being exposed from the outside. There is.
特開２０１２－２４８５２７号公報Japanese Unexamined Patent Publication No. 2012-248527
　ところで、上記のようなワイヤハーネスの電線は、シールド電線が採用される場合がある。シールド電線は、芯線の外周を覆う編組線等の電磁シールド部材を有し、電磁波の放射が抑えられる。しかしながら、シールド電線を採用した場合でも、芯線同士が接続された接続部の周辺は電磁シールド部材から露出してしまい接続部周辺から電磁波が放射される虞があった。なお、接続部の外側で電磁シールド部材同士を直接接続するといった構成も考えられるが、それら電磁シールド部材を接続部の全周を覆うように配置しつつ接続することは困難で電磁波の放射が懸念される。 By the way, a shielded electric wire may be used as the electric wire of the wire harness as described above. The shielded electric wire has an electromagnetic shield member such as a braided wire that covers the outer circumference of the core wire, and the radiation of electromagnetic waves is suppressed. However, even when the shielded electric wire is adopted, there is a possibility that the periphery of the connecting portion where the core wires are connected is exposed from the electromagnetic shield member and electromagnetic waves are radiated from the periphery of the connecting portion. Although it is conceivable that the electromagnetic shield members are directly connected to each other on the outside of the connection portion, it is difficult to connect the electromagnetic shield members while arranging them so as to cover the entire circumference of the connection portion, and there is concern about the radiation of electromagnetic waves. Will be done.
　本発明は、上記課題を解決するためになされたものであって、その目的は、簡単な構成で接続部周辺からの電磁波の放射を抑制可能としたワイヤハーネスを提供することにある。 The present invention has been made to solve the above problems, and an object of the present invention is to provide a wire harness capable of suppressing the radiation of electromagnetic waves from the periphery of a connection portion with a simple configuration.
　本開示のワイヤハーネスは、芯線と該芯線の外周を覆う電磁シールド部材とを有した複数のシールド電線と、前記芯線同士が接続された接続部と、前記接続部を覆い外周面に複数の前記電磁シールド部材が接続された電磁シールドパイプとを備える。 The wire harness of the present disclosure includes a plurality of shielded electric wires having a core wire and an electromagnetic shield member covering the outer periphery of the core wire, a connecting portion in which the core wires are connected to each other, and a plurality of said above covering the connecting portion and covering the outer peripheral surface. It is provided with an electromagnetic shield pipe to which an electromagnetic shield member is connected.
　本開示のワイヤハーネスによれば、簡単な構成で接続部周辺からの電磁波の放射を抑制できる。 According to the wire harness of the present disclosure, it is possible to suppress the radiation of electromagnetic waves from the periphery of the connection portion with a simple configuration.
図１は、一実施形態におけるワイヤハーネスの一部模式断面図である。FIG. 1 is a partial schematic cross-sectional view of a wire harness according to an embodiment. 図２は、一実施形態におけるワイヤハーネスの製造過程を説明するための模式断面図である。FIG. 2 is a schematic cross-sectional view for explaining the manufacturing process of the wire harness in one embodiment. 図３は、一実施形態におけるワイヤハーネスの製造過程を説明するための模式断面図である。FIG. 3 is a schematic cross-sectional view for explaining the manufacturing process of the wire harness in one embodiment. 図４は、一実施形態におけるワイヤハーネスの製造過程を説明するための模式断面図である。FIG. 4 is a schematic cross-sectional view for explaining the manufacturing process of the wire harness in one embodiment. 図５は、一実施形態におけるワイヤハーネスの製造過程を説明するための模式断面図である。FIG. 5 is a schematic cross-sectional view for explaining the manufacturing process of the wire harness in one embodiment. 図６は、別例におけるワイヤハーネスの模式図である。FIG. 6 is a schematic view of a wire harness in another example.
　［本開示の実施形態の説明］
　最初に本開示の実施態様を列記して説明する。 [Explanation of Embodiments of the present disclosure]
First, embodiments of the present disclosure will be listed and described.
　本開示のワイヤハーネスは、
　［１］芯線と該芯線の外周を覆う電磁シールド部材とを有した複数のシールド電線と、前記芯線同士が接続された接続部と、前記接続部を覆い外周面に複数の前記電磁シールド部材が接続された電磁シールドパイプとを備える。 The wire harness of the present disclosure is
[1] A plurality of shielded electric wires having a core wire and an electromagnetic shield member covering the outer periphery of the core wire, a connection portion to which the core wires are connected, and a plurality of the electromagnetic shield members covering the connection portion and covering the outer peripheral surface. It is equipped with a connected electromagnetic shield pipe.
　同構成によれば、シールド電線の芯線同士が接続された接続部を覆い外周面にシールド電線の複数の電磁シールド部材が接続された電磁シールドパイプを備えるため、簡単な構成で接続部周辺からの電磁波の放射が抑えられる。 According to the same configuration, an electromagnetic shield pipe is provided which covers the connection portion where the core wires of the shielded electric wire are connected to each other and has a plurality of electromagnetic shield members of the shielded electric wire connected to the outer peripheral surface. The emission of electromagnetic waves is suppressed.
　［２］前記電磁シールドパイプは、内径及び外径が一定の材料からなることが好ましい。 [2] The electromagnetic shield pipe is preferably made of a material having a constant inner diameter and outer diameter.
　同構成によれば、前記電磁シールドパイプは、内径及び外径が一定の材料からなるため、例えば、内径及び外径の少なくとも一方が一定ではない材料からなる場合に比べて、より簡単な構成となる。 According to the same configuration, since the electromagnetic shield pipe is made of a material having a constant inner diameter and outer diameter, it has a simpler configuration than, for example, a material in which at least one of the inner diameter and the outer diameter is not constant. Become.
　［３］前記電磁シールドパイプの外周面に配置された複数の前記電磁シールド部材を固定する固定部材を備えることが好ましい。 [3] It is preferable to provide a fixing member for fixing a plurality of the electromagnetic shield members arranged on the outer peripheral surface of the electromagnetic shield pipe.
　同構成によれば、前記電磁シールドパイプの外周面に配置された複数の前記電磁シールド部材を固定する固定部材を備えるため、例えば、煩雑な溶接作業等を行うこと無く、容易に電磁シールド部材を電磁シールドパイプの外周面に接続することができる。 According to the same configuration, since the fixing member for fixing the plurality of electromagnetic shield members arranged on the outer peripheral surface of the electromagnetic shield pipe is provided, for example, the electromagnetic shield member can be easily provided without performing complicated welding work or the like. It can be connected to the outer peripheral surface of the electromagnetic shield pipe.
　［４］前記固定部材は、前記電磁シールドパイプの外周を囲うように設けられてかしめ固定されたかしめ部材であることが好ましい。 [4] It is preferable that the fixing member is a caulking member that is provided so as to surround the outer periphery of the electromagnetic shield pipe and is caulked and fixed.
　同構成によれば、前記固定部材は、前記電磁シールドパイプの外周を囲うように設けられてかしめ固定されたかしめ部材であるため、容易に電磁シールド部材を電磁シールドパイプの外周面に接続することができる。 According to the same configuration, since the fixing member is a caulking member provided and fixed so as to surround the outer periphery of the electromagnetic shield pipe, the electromagnetic shield member can be easily connected to the outer peripheral surface of the electromagnetic shield pipe. Can be done.
　［５］前記電磁シールドパイプを覆う防水部材を備えることが好ましい。 [5] It is preferable to provide a waterproof member that covers the electromagnetic shield pipe.
　同構成によれば、前記電磁シールドパイプを覆う防水部材を備えるため、電磁シールドパイプやその内部に配置された接続部が被水することが防止される。 According to the same configuration, since the waterproof member that covers the electromagnetic shield pipe is provided, the electromagnetic shield pipe and the connection portion arranged inside the electromagnetic shield pipe are prevented from being exposed to water.
　［本開示の実施形態の詳細］
　本開示のワイヤハーネスの具体例を、以下に図面を参照しつつ説明する。なお、本発明はこれらの例示に限定されるものではなく、特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。 [Details of Embodiments of the present disclosure]
Specific examples of the wire harness of the present disclosure will be described below with reference to the drawings. It should be noted that the present invention is not limited to these examples, and is indicated by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.
　図１に示すように、ワイヤハーネス１１は、複数のシールド電線１２～１４と、接続部としての圧着端子１５とを備える。シールド電線１２～１４は、芯線１２ａ～１４ａと、該芯線１２ａ～１４ａの外周を覆う内部絶縁被覆１２ｂ～１４ｂとを有している。また、シールド電線１２～１４は、内部絶縁被覆１２ｂ～１４ｂの外周を覆う電磁シールド部材１２ｃ～１４ｃと、電磁シールド部材１２ｃ～１４ｃの外周を覆う外部絶縁被覆１２ｄ～１４ｄとを有している。電磁シールド部材１２ｃ～１４ｃは、芯線１２ａ～１４ａからの電磁波の放射を抑えるものである。本実施形態の電磁シールド部材１２ｃ～１４ｃは、例えば、アルミニウム合金などの導電性の素線が筒状に編み込まれた編組線である。シールド電線１２～１４の端部では、芯線１２ａ～１４ａ及び電磁シールド部材１２ｃ～１４ｃが外部に露出するように設けられている。 As shown in FIG. 1, the wire harness 11 includes a plurality of shielded electric wires 12 to 14 and a crimp terminal 15 as a connecting portion. The shielded electric wires 12 to 14 have core wires 12a to 14a and internal insulating coatings 12b to 14b covering the outer periphery of the core wires 12a to 14a. Further, the shielded electric wires 12 to 14 have an electromagnetic shield member 12c to 14c that covers the outer circumference of the internal insulation coatings 12b to 14b, and an external insulation coating 12d to 14d that covers the outer circumference of the electromagnetic shield members 12c to 14c. The electromagnetic shield members 12c to 14c suppress the radiation of electromagnetic waves from the core wires 12a to 14a. The electromagnetic shield members 12c to 14c of the present embodiment are braided wires in which a conductive wire such as an aluminum alloy is woven into a tubular shape. At the ends of the shielded electric wires 12 to 14, the core wires 12a to 14a and the electromagnetic shield members 12c to 14c are provided so as to be exposed to the outside.
　圧着端子１５は、例えば導電性の金属板材からなる。圧着端子１５は、複数のシールド電線１２～１４の各芯線１２ａ～１４ａをまとめて囲いつつ圧着されて芯線１２ａ～１４ａを接続する。なお、ワイヤハーネス１１は、例えば、バッテリと２つの電気機器とを電気的に接続するためのものである。シールド電線１２～１４は、圧着端子１５を中心として、ワイヤハーネス１１の延在方向において圧着端子１５の一方側（図１中、左側）に１つのシールド電線１２が延びるように設けられ、圧着端子１５の他方側（図１中、右側）に２つのシールド電線１３，１４が延びるように設けられている。ワイヤハーネス１１の延在方向に交差する方向または径方向において、圧着端子１５の外側は、例えば絶縁テープ等の絶縁部材１６に覆われている。絶縁部材１６は、内部絶縁被覆１２ｂ～１４ｂから突出した芯線１２ａ～１４ａが全て覆われるように設けられている。 The crimp terminal 15 is made of, for example, a conductive metal plate material. The crimp terminal 15 is crimped while enclosing the core wires 12a to 14a of the plurality of shielded electric wires 12 to 14 together to connect the core wires 12a to 14a. The wire harness 11 is for electrically connecting the battery and the two electric devices, for example. The shielded electric wires 12 to 14 are provided so that one shielded electric wire 12 extends from one side (left side in FIG. 1) of the crimping terminal 15 in the extending direction of the wire harness 11 with the crimping terminal 15 as the center. Two shielded electric wires 13 and 14 are provided so as to extend on the other side (right side in FIG. 1) of 15. In the direction intersecting the extending direction or the radial direction of the wire harness 11, the outside of the crimp terminal 15 is covered with an insulating member 16 such as an insulating tape. The insulating member 16 is provided so as to cover all the core wires 12a to 14a protruding from the internal insulating coatings 12b to 14b.
　そして、本実施形態のワイヤハーネス１１は、絶縁部材１６を介して圧着端子１５を覆う電磁シールドパイプ１７を備えている。電磁シールドパイプ１７は、圧着端子１５を含む芯線１２ａ～１４ａからの電磁波の放射を抑えるものである。本実施形態の電磁シールドパイプ１７は、内径及び外径が一定の材料からなり、例えば、アルミニウム合金などの導電性の金属パイプからなる。電磁シールドパイプ１７は、ワイヤハーネス１１の延在方向に沿った長さが絶縁部材１６の長さよりも長く設定され、絶縁部材１６が全て覆われるように設けられている。 The wire harness 11 of the present embodiment includes an electromagnetic shield pipe 17 that covers the crimp terminal 15 via the insulating member 16. The electromagnetic shield pipe 17 suppresses the radiation of electromagnetic waves from the core wires 12a to 14a including the crimp terminal 15. The electromagnetic shield pipe 17 of the present embodiment is made of a material having a constant inner diameter and outer diameter, and is made of, for example, a conductive metal pipe such as an aluminum alloy. The electromagnetic shield pipe 17 is provided so that the length of the wire harness 11 along the extending direction is set longer than the length of the insulating member 16 so that the insulating member 16 is completely covered.
　図２に示すように、本実施形態の電磁シールドパイプ１７は、圧着端子１５が各芯線１２ａ～１４ａに圧着される際には既に１つのシールド電線１２の外周を囲うように、言い換えると、１つのシールド電線１２が通された状態で配置されている。 As shown in FIG. 2, the electromagnetic shield pipe 17 of the present embodiment already surrounds the outer periphery of one shielded electric wire 12 when the crimping terminal 15 is crimped to the core wires 12a to 14a, in other words, 1 The two shielded electric wires 12 are arranged in a state of being passed through.
　そして、図２に示す状態から図３に示すように、電磁シールドパイプ１７は、圧着端子１５が各芯線１２ａ～１４ａに圧着された状態であって更に圧着端子１５に対して絶縁部材１６が設けられた状態で、該絶縁部材１６を覆うようにワイヤハーネス１１の延在方向に相対移動されて配置される。 Then, as shown in FIG. 3 from the state shown in FIG. 2, the electromagnetic shield pipe 17 is in a state where the crimp terminal 15 is crimped to the core wires 12a to 14a, and the insulating member 16 is further provided to the crimp terminal 15. In this state, the wire harness 11 is relatively moved and arranged in the extending direction so as to cover the insulating member 16.
　図１に示すように、電磁シールドパイプ１７の外周面には、複数のシールド電線１２～１４の各電磁シールド部材１２ｃ～１４ｃが接続される。本実施形態の電磁シールド部材１２ｃ～１４ｃは、前述したように編組線であって、その一部が電磁シールドパイプ１７の外周面における周方向の一部に配置されている。 As shown in FIG. 1, the electromagnetic shield members 12c to 14c of the plurality of shielded electric wires 12 to 14 are connected to the outer peripheral surface of the electromagnetic shield pipe 17. The electromagnetic shield members 12c to 14c of the present embodiment are braided wires as described above, and a part thereof is arranged on a part of the outer peripheral surface of the electromagnetic shield pipe 17 in the circumferential direction.
　詳しくは、本実施形態のワイヤハーネス１１は、電磁シールドパイプ１７の外周面に配置された複数の電磁シールド部材１２ｃ～１４ｃを固定する固定部材としてのかしめ部材１８を備える。本実施形態のかしめ部材１８は、内径及び外径が一定の材料からなり、例えば、アルミニウム合金などの導電性の金属パイプからなる。かしめ部材１８は、ワイヤハーネス１１の延在方向に沿った長さが電磁シールドパイプ１７の長さよりも短く設定され、電磁シールドパイプ１７のほぼ中央で該電磁シールドパイプ１７の外周を囲うように設けられる。かしめ部材１８は、電磁シールドパイプ１７の外周面に配置された全ての電磁シールド部材１２ｃ～１４ｃの一部を挟み込むようにかしめ固定される。 Specifically, the wire harness 11 of the present embodiment includes a caulking member 18 as a fixing member for fixing a plurality of electromagnetic shield members 12c to 14c arranged on the outer peripheral surface of the electromagnetic shield pipe 17. The caulking member 18 of the present embodiment is made of a material having a constant inner diameter and outer diameter, and is made of, for example, a conductive metal pipe such as an aluminum alloy. The length of the caulking member 18 along the extending direction of the wire harness 11 is set shorter than the length of the electromagnetic shield pipe 17, and the caulking member 18 is provided so as to surround the outer periphery of the electromagnetic shield pipe 17 at substantially the center of the electromagnetic shield pipe 17. Be done. The caulking member 18 is caulked and fixed so as to sandwich and fix a part of all the electromagnetic shield members 12c to 14c arranged on the outer peripheral surface of the electromagnetic shield pipe 17.
　図４に示すように、本実施形態のかしめ部材１８は、圧着端子１５が各芯線１２ａ～１４ａに圧着される際には既に１つのシールド電線１２の外周を囲うように、言い換えると、１つのシールド電線１２が通された状態で配置されている。 As shown in FIG. 4, the caulking member 18 of the present embodiment is arranged so that when the crimp terminal 15 is crimped to the core wires 12a to 14a, it already surrounds the outer periphery of one shielded electric wire 12, in other words, one. The shielded electric wire 12 is arranged in a state of being passed through.
　そして、図４に示す状態から図５に示すように、かしめ部材１８は、前述したように電磁シールドパイプ１７の外周面に電磁シールド部材１２ｃ～１４ｃが配置された状態で、該電磁シールド部材１２ｃ～１４ｃを覆うようにワイヤハーネス１１の延在方向に相対移動されてかしめ固定される。 Then, as shown in FIG. 5 from the state shown in FIG. 4, the caulking member 18 has the electromagnetic shield member 12c in a state where the electromagnetic shield members 12c to 14c are arranged on the outer peripheral surface of the electromagnetic shield pipe 17 as described above. The wire harness 11 is relatively moved in the extending direction and caulked and fixed so as to cover ~ 14c.
　また、図１に示すように、ワイヤハーネス１１は、電磁シールドパイプ１７を覆う防水部材１９を備える。本実施形態の防水部材１９は、樹脂パイプ２０とゴム栓２１，２２とを有する。樹脂パイプ２０は、圧着端子１５を中心として、ワイヤハーネス１１の延在方向において圧着端子１５の一方側（図１中、左側）に延びる１つのシールド電線１２の外部絶縁被覆１２ｄの外周に対応する位置から圧着端子１５の他方側（図１中、右側）に延びる２つのシールド電線１３，１４の外部絶縁被覆１３ｄ，１４ｄの外周に対応する位置までを覆う長さに設定されている。そして、一方のゴム栓２１は、樹脂パイプ２０の一方側の開口端と外部絶縁被覆１２ｄの外周との間を塞ぐように設けられ、他方のゴム栓２２は、樹脂パイプ２０の他方側の開口端と外部絶縁被覆１３ｄ，１４ｄの外周との間を塞ぐように設けられている。 Further, as shown in FIG. 1, the wire harness 11 includes a waterproof member 19 that covers the electromagnetic shield pipe 17. The waterproof member 19 of the present embodiment has a resin pipe 20 and rubber stoppers 21 and 22. The resin pipe 20 corresponds to the outer circumference of the external insulating coating 12d of one shielded electric wire 12 extending to one side (left side in FIG. 1) of the crimp terminal 15 in the extending direction of the wire harness 11 with the crimp terminal 15 as the center. The length is set to cover the outer circumferences of the external insulating coatings 13d and 14d of the two shielded wires 13 and 14 extending from the position to the other side (right side in FIG. 1) of the crimp terminal 15. One rubber stopper 21 is provided so as to close between the opening end on one side of the resin pipe 20 and the outer circumference of the external insulating coating 12d, and the other rubber stopper 22 is an opening on the other side of the resin pipe 20. It is provided so as to close the space between the end and the outer periphery of the external insulating coatings 13d and 14d.
　また、ワイヤハーネス１１は、ゴム栓２１，２２のずれを防止するための結束バンド２３，２４を備えている。結束バンド２３，２４は、ゴム栓２１，２２と隣接してシールド電線１２～１４における外部絶縁被覆１２ｄ～１４ｄの外周に固定され、ゴム栓２１，２２のずれ、すなわち樹脂パイプ２０からの抜けを防止する。 Further, the wire harness 11 is provided with binding bands 23 and 24 for preventing the rubber stoppers 21 and 22 from slipping. The binding bands 23 and 24 are fixed to the outer periphery of the external insulating coatings 12d to 14d on the shielded electric wires 12 to 14 adjacent to the rubber stoppers 21 and 22, so that the rubber stoppers 21 and 22 are displaced, that is, they are removed from the resin pipe 20. To prevent.
　次に、上記のように構成されたワイヤハーネス１１の作用について説明する。 Next, the operation of the wire harness 11 configured as described above will be described.
　シールド電線１２～１４は、内部絶縁被覆１２ｂ～１４ｂを介して芯線１２ａ～１４ａの外周を覆う電磁シールド部材１２ｃ～１４ｃを有するため、シールド電線１２～１４からの電磁波の放射が抑えられる。また、芯線１２ａ～１４ａ同士が接続された接続部である圧着端子１５は電磁シールド部材１２ｃ～１４ｃに覆われないものの、外周面に電磁シールド部材１２ｃ～１４ｃが接続された電磁シールドパイプ１７に覆われるため、圧着端子１５周辺からの電磁波の放射が抑えられる。 Since the shielded electric wires 12 to 14 have electromagnetic shield members 12c to 14c that cover the outer periphery of the core wires 12a to 14a via the internal insulating coatings 12b to 14b, the radiation of electromagnetic waves from the shielded electric wires 12 to 14 is suppressed. Further, although the crimp terminal 15 which is a connecting portion in which the core wires 12a to 14a are connected to each other is not covered by the electromagnetic shield members 12c to 14c, it is covered by the electromagnetic shield pipe 17 to which the electromagnetic shield members 12c to 14c are connected to the outer peripheral surface. Therefore, the emission of electromagnetic waves from the periphery of the crimp terminal 15 is suppressed.
　次に、上記実施形態の効果を以下に記載する。 Next, the effects of the above embodiment will be described below.
　（１）シールド電線１２～１４の芯線１２ａ～１４ａ同士が接続された圧着端子１５を覆い外周面に全てのシールド電線１２～１４の電磁シールド部材１２ｃ～１４ｃが接続された電磁シールドパイプ１７を備えるため、簡単な構成で圧着端子１５周辺からの電磁波の放射が抑えられる。 (1) An electromagnetic shield pipe 17 is provided which covers the crimp terminal 15 to which the core wires 12a to 14a of the shielded electric wires 12 to 14 are connected to each other and is connected to the electromagnetic shield members 12c to 14c of all the shielded electric wires 12 to 14 on the outer peripheral surface. Therefore, the emission of electromagnetic waves from the periphery of the crimp terminal 15 can be suppressed with a simple configuration.
　（２）電磁シールドパイプ１７は、内径及び外径が一定の材料からなるため、例えば、内径及び外径の少なくとも一方が一定ではない材料からなる場合に比べて、より簡単な構成となる。 (2) Since the electromagnetic shield pipe 17 is made of a material having a constant inner diameter and outer diameter, it has a simpler configuration than, for example, a material in which at least one of the inner diameter and the outer diameter is not constant.
　（３）電磁シールドパイプ１７の外周面に配置された複数の電磁シールド部材１２ｃ～１４ｃを固定する固定部材としてのかしめ部材１８を備えるため、例えば、煩雑な溶接作業等を行うこと無く、容易に電磁シールド部材１２ｃ～１４ｃを電磁シールドパイプ１７の外周面に接続することができる。 (3) Since the caulking member 18 is provided as a fixing member for fixing the plurality of electromagnetic shield members 12c to 14c arranged on the outer peripheral surface of the electromagnetic shield pipe 17, for example, complicated welding work can be easily performed. The electromagnetic shield members 12c to 14c can be connected to the outer peripheral surface of the electromagnetic shield pipe 17.
　（４）固定部材は、電磁シールドパイプ１７の外周を囲うように設けられてかしめ固定されたかしめ部材１８であるため、容易に電磁シールド部材１２ｃ～１４ｃを電磁シールドパイプ１７の外周面に接続することができる。 (4) Since the fixing member is a caulking member 18 provided and fixed so as to surround the outer periphery of the electromagnetic shield pipe 17, the electromagnetic shield members 12c to 14c are easily connected to the outer peripheral surface of the electromagnetic shield pipe 17. be able to.
　（５）かしめ部材１８は、内径及び外径が一定の材料からなるため、例えば、内径及び外径の少なくとも一方が一定ではない材料からなる場合に比べて、より簡単な構成となる。 (5) Since the caulking member 18 is made of a material having a constant inner diameter and outer diameter, it has a simpler configuration than, for example, a material in which at least one of the inner diameter and the outer diameter is not constant.
　（６）電磁シールドパイプ１７を覆う防水部材１９を備えるため、電磁シールドパイプ１７やその内部に配置された圧着端子１５が被水することが防止される。 (6) Since the waterproof member 19 that covers the electromagnetic shield pipe 17 is provided, the electromagnetic shield pipe 17 and the crimp terminal 15 arranged inside the electromagnetic shield pipe 17 are prevented from being exposed to water.
　本実施形態は、以下のように変更して実施することができる。本実施形態及び以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施することができる。 This embodiment can be implemented by changing as follows. The present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
　・上記実施形態では、シールド電線１２～１４は、電磁シールド部材１２ｃ～１４ｃの内側にそれぞれ単一の芯線１２ａ～１４ａを有するものとしたが、これに限定されず、複数の芯線を一括して覆う電磁シールド部材を有したシールド電線としてもよい。 -In the above embodiment, the shielded electric wires 12 to 14 have a single core wire 12a to 14a inside the electromagnetic shield members 12c to 14c, respectively, but the present invention is not limited to this, and a plurality of core wires are collectively combined. It may be a shielded electric wire having an electromagnetic shield member to cover it.
　例えば、図６に模式的に示すように、ワイヤハーネス３０は、３つのシールド電線３１～３３を有している。３つのシールド電線３１～３３は、それぞれ２本の芯線３４～３９と、２本の芯線３４～３９の外周をそれぞれ、または、まとめて覆う図示しない絶縁被覆と、２本の芯線３４～３９及びその絶縁被覆を一括して覆う電磁シールド部材４０～４２とを有する。そして、絶縁被覆から露出した芯線３４～３９の端部が接続された接続部４３，４４は、まとめて電磁シールドパイプ４５に覆われている。そして、電磁シールドパイプ４５の外周面には、全ての電磁シールド部材４０～４２の一部が配置され、かしめ部材４６によって固定されている。このようにしても、簡単な構成で接続部４３，４４周辺からの電磁波の放射が抑えられる。 For example, as schematically shown in FIG. 6, the wire harness 30 has three shielded electric wires 31 to 33. The three shielded wires 31 to 33 have an insulating coating (not shown) that covers the outer circumferences of the two core wires 34 to 39 and the outer circumferences of the two core wires 34 to 39, respectively, and the two core wires 34 to 39. It has electromagnetic shield members 40 to 42 that collectively cover the insulating coating. The connecting portions 43 and 44 to which the ends of the core wires 34 to 39 exposed from the insulating coating are connected are collectively covered with the electromagnetic shield pipe 45. A part of all the electromagnetic shield members 40 to 42 is arranged on the outer peripheral surface of the electromagnetic shield pipe 45 and is fixed by the caulking member 46. Even in this way, the radiation of electromagnetic waves from the periphery of the connection portions 43 and 44 can be suppressed with a simple configuration.
　・上記実施形態では、特に言及していないが、電磁シールドパイプ１７は、かしめ部材１８がかしめ固定される前の状態で内径及び外径が一定の材料であればよく、かしめ部材１８がかしめ固定されることで潰れて変形していてもよいし、変形していなくてもよい。 -Although not particularly mentioned in the above embodiment, the electromagnetic shield pipe 17 may be made of a material having a constant inner diameter and outer diameter before the caulking member 18 is caulked and fixed, and the caulking member 18 is caulked and fixed. It may be crushed and deformed by being used, or it may not be deformed.
　・上記実施形態では、電磁シールドパイプ１７は、内径及び外径が一定の材料からなるとしたが、これに限定されず、例えば、かしめ部材１８がかしめ固定される前の状態で、内径及び外径の少なくとも一方が一定ではない材料からなるものとしてもよい。 -In the above embodiment, the electromagnetic shield pipe 17 is made of a material having a constant inner diameter and outer diameter, but the present invention is not limited to this, and for example, the inner diameter and outer diameter are before the caulking member 18 is caulked and fixed. At least one of the above may be made of a material that is not constant.
　・上記実施形態では、ワイヤハーネス１１は、電磁シールドパイプ１７の外周面に配置された電磁シールド部材１２ｃ～１４ｃを固定する固定部材としてのかしめ部材１８を備えるとしたが、これに限定されず、例えば、電磁シールドパイプ１７の外周面に電磁シールド部材１２ｃ～１４ｃを溶接してもよい。また、かしめ固定以外の構成で固定される固定部材に変更してもよい。また、かしめ部材１８は、かしめ固定される前の状態で内径及び外径が一定の材料からなるとしたが、これに限定されず、例えば、内径及び外径の少なくとも一方が一定ではない材料からなるものとしてもよい。また、かしめ部材１８は、周方向の一部が切り欠かれた形状のものとしてもよく、例えば断面Ｃ字状のＣリングとしてもよい。このようにすると、かしめ部材の組み付けが容易となる。 -In the above embodiment, the wire harness 11 includes a caulking member 18 as a fixing member for fixing the electromagnetic shield members 12c to 14c arranged on the outer peripheral surface of the electromagnetic shield pipe 17, but the present invention is not limited to this. For example, the electromagnetic shield members 12c to 14c may be welded to the outer peripheral surface of the electromagnetic shield pipe 17. Further, it may be changed to a fixing member which is fixed by a configuration other than caulking fixing. Further, the caulking member 18 is made of a material having a constant inner diameter and outer diameter before being crimped, but is not limited to this, and is made of, for example, a material in which at least one of the inner diameter and the outer diameter is not constant. It may be a thing. Further, the caulking member 18 may have a shape in which a part in the circumferential direction is cut out, and may be, for example, a C ring having a C-shaped cross section. In this way, the caulking member can be easily assembled.
　・上記実施形態では、ワイヤハーネス１１は、電磁シールドパイプ１７を覆う防水部材１９を備えるとしたが、これに限定されず、防水部材１９を備えていない構成としてもよい。また、防水部材１９は、樹脂パイプ２０とゴム栓２１，２２とを有するとしたが、同様の機能を有する他の構成としてもよく、例えば、収縮チューブ等の他の構成としてもよい。また、上記実施形態の結束バンド２３，２４は、必要に応じて設けてもよいし、設けなくてもよい。 -In the above embodiment, the wire harness 11 is provided with the waterproof member 19 that covers the electromagnetic shield pipe 17, but the present invention is not limited to this, and the wire harness 11 may be configured not to be provided with the waterproof member 19. Further, although the waterproof member 19 is said to have the resin pipe 20 and the rubber stoppers 21 and 22, it may have another configuration having the same function, for example, another configuration such as a shrinkable tube. Further, the binding bands 23 and 24 of the above embodiment may or may not be provided as needed.
　・上記実施形態では、電磁シールド部材１２ｃ～１４ｃは、編組線であるとしたが、電磁波の放射を抑えることができれば、例えば、金属箔等の他の構成としてもよい。 -In the above embodiment, the electromagnetic shield members 12c to 14c are braided wires, but other configurations such as a metal foil may be used as long as the emission of electromagnetic waves can be suppressed.
　・上記実施形態では、芯線１２ａ～１４ａ同士が接続された接続部が圧着端子１５であるとしたが、これに限定されず、例えば、芯線１２ａ～１４ａ同士を溶接にて接続して、その溶接部を接続部としてもよい。 -In the above embodiment, the connection portion where the core wires 12a to 14a are connected to each other is the crimp terminal 15, but the present invention is not limited to this, and for example, the core wires 12a to 14a are connected to each other by welding and the welding thereof is performed. The part may be a connecting part.
　・実施形態のシールド電線１２、１３，１４の導電性の芯線１２ａ、１３ａ，１４ａは、互いに異なるまたは同じ露出長さを有することができる。芯線１２ａは、芯線１３ａ、１４ａの各々と、互いに異なるまたは同じ重なり長さをもって重ねられてよい。 The conductive core wires 12a, 13a, 14a of the shielded electric wires 12, 13, 14 of the embodiment can have different or the same exposed lengths from each other. The core wire 12a may be overlapped with each of the core wires 13a and 14a with different or the same overlapping length.
　・図１～５に示すように、実施形態の電磁シールドパイプ１７は、２つの開口端を有してよい。図１の断面視において、電磁シールドパイプ１７の一方の開口端は、複数のシールド電線１２、１３，１４のうちの少なくとも一つである第１のシールド電線（例えばシールド電線１２）の内部絶縁被覆（例えば内部絶縁被覆１２ｂ）と径方向に重なるように位置決めされてよく、電磁シールドパイプ１７の他方の開口端は、複数のシールド電線１２、１３，１４のうちの残りである第２のシールド電線（例えばシールド電線１３，１４）の内部絶縁被覆（例えば内部絶縁被覆１３ｂ、１４ｂ）と径方向に重なるように位置決めされてよい。図１に示すように、実施形態の電磁シールドパイプ１７は、全てのシールド電線１２、１３，１４の導電性の芯線１２ａ、１３ａ，１４ａの露出長さと同じかそれよりも長くてよい。電磁シールドパイプ１７は、当該電磁シールドパイプ１７の全周及び全長にわたって連続的に延びる、径方向内向き面及び径方向外向き面を有してよい。電磁シールドパイプ１７の径方向内向き面は、全てのシールド電線１２、１３，１４の導電性の芯線１２ａ、１３ａ，１４ａの全長をカバーし、それら芯線１２ａ、１３ａ，１４ａの全周を径方向外側から包囲してよい。 -As shown in FIGS. 1 to 5, the electromagnetic shield pipe 17 of the embodiment may have two open ends. In the cross-sectional view of FIG. 1, one open end of the electromagnetic shield pipe 17 is an internal insulating coating of a first shielded electric wire (for example, the shielded electric wire 12) which is at least one of a plurality of shielded electric wires 12, 13, 14. (For example, the internal insulating coating 12b) may be positioned so as to overlap in the radial direction, and the other open end of the electromagnetic shield pipe 17 is the second shielded wire which is the rest of the plurality of shielded wires 12, 13, 14. (For example, the shielded electric wires 13 and 14) may be positioned so as to overlap with the internal insulating coating (for example, the internal insulating coatings 13b and 14b) in the radial direction. As shown in FIG. 1, the electromagnetic shield pipe 17 of the embodiment may be equal to or longer than the exposed length of the conductive core wires 12a, 13a, 14a of all the shielded electric wires 12, 13, 14. The electromagnetic shield pipe 17 may have a radial inward surface and a radial outward surface that extend continuously over the entire circumference and the entire length of the electromagnetic shield pipe 17. The radial inward surface of the electromagnetic shield pipe 17 covers the entire length of the conductive core wires 12a, 13a, 14a of all the shielded electric wires 12, 13, 14 and the entire circumference of the core wires 12a, 13a, 14a in the radial direction. It may be surrounded from the outside.
　・図１～５に示すように、実施形態の各電磁シールド部材１２ｃ～１４ｃは、対応する電線１２，１３，１４から径方向外側に引き出された延出先端部を有してよい。例えば、電磁シールド部材１２ｃ～１４ｃの各々が編組線の筒である場合、電磁シールド部材１２ｃ～１４ｃの各々の延出先端部は、編組線の筒の先端部分を変形または加工して形成された帯状のまたは線状の編組線であってよい。図１の断面視において、複数のシールド電線１２、１３，１４のうちの少なくとも一つである第１のシールド電線（例えばシールド電線１２）の電磁シールド部材（例えば電磁シールド部材１２ｃ）の延出先端部は、電磁シールドパイプ１７の一方の開口端の径方向外向き面と電気的に接触してよく、複数のシールド電線１２、１３，１４のうちの残りである第２のシールド電線（例えばシールド電線１３、１４）の電磁シールド部材（例えば電磁シールド部材１３ｃ、１４ｃ）の延出先端部は、電磁シールドパイプ１７の他方の開口端の径方向外向き面と電気的に接触してよい。 As shown in FIGS. 1 to 5, each electromagnetic shield member 12c to 14c of the embodiment may have an extension tip portion drawn out radially outward from the corresponding electric wires 12, 13 and 14. For example, when each of the electromagnetic shield members 12c to 14c is a braided wire cylinder, each extending tip portion of the electromagnetic shield member 12c to 14c is formed by deforming or processing the tip portion of the braided wire cylinder. It may be a strip-shaped or linear braided line. In the cross-sectional view of FIG. 1, the extending tip of the electromagnetic shield member (for example, the electromagnetic shield member 12c) of the first shielded electric wire (for example, the shielded electric wire 12) which is at least one of the plurality of shielded electric wires 12, 13, and 14. The portion may be in electrical contact with the radial outward surface of one open end of the electromagnetic shielded pipe 17, and is the remaining second shielded wire (eg, shield) of the plurality of shielded wires 12, 13, 14. The extending tip of the electromagnetic shield member (for example, the electromagnetic shield member 13c, 14c) of the electric wires 13 and 14) may be in electrical contact with the radial outward surface of the other open end of the electromagnetic shield pipe 17.
　・図１に示すように、防水部材１９に含まれる樹脂パイプ２０は、当該樹脂パイプ２０の全長にわたって延びる径方向内向き面と、２つの開口端とを有してよい。図１の断面視において、樹脂パイプ２０の一方の開口端は、複数のシールド電線１２、１３，１４のうちの少なくとも一つである第１のシールド電線（例えばシールド電線１２）の外部絶縁被覆（例えば外部絶縁被覆１２ｄ）の径方向外向き面と径方向に重なるように位置決めされてよく、樹脂パイプ２０の他方の開口端は、複数のシールド電線１２、１３，１４のうちの残りである第２のシールド電線（例えばシールド電線１３、１４）の外部絶縁被覆（例えば外部絶縁被覆１３ｄ、１４ｄ）の径方向外向き面と径方向に重なるように位置決めされてよい。実施形態の防水部材１９に含まれるゴム栓２１は単独でまたは結束バンド２３と協働して、樹脂パイプ２０の前記一方の開口端と、前記第１のシールド電線（例えばシールド電線１２）の前記外部絶縁被覆（例えば外部絶縁被覆１２ｄ）の径方向外向き面とを、止水的にシールしかつワイヤハーネス１１の延在方向に位置決めする第１の弾性シール要素と呼称することがある。実施形態の防水部材１９に含まれるゴム栓２２は、単独でまたは結束バンド２４と協働して、樹脂パイプ２０の前記他方の開口端と、前記第２のシールド電線（例えばシールド電線１３、１４）の前記外部絶縁被覆（例えば外部絶縁被覆１３ｄ、１４ｄ）の径方向外向き面とを、止水的にシールしかつワイヤハーネス１１の延在方向に位置決めする第２の弾性シール要素と呼称することがある。 As shown in FIG. 1, the resin pipe 20 included in the waterproof member 19 may have a radial inward surface extending over the entire length of the resin pipe 20 and two open ends. In the cross-sectional view of FIG. 1, one open end of the resin pipe 20 is an external insulating coating (for example, the shielded electric wire 12) of the first shielded electric wire (for example, the shielded electric wire 12) which is at least one of the plurality of shielded electric wires 12, 13, 14. For example, the outer insulating coating 12d) may be positioned so as to overlap the radial outward surface in the radial direction, and the other open end of the resin pipe 20 is the remainder of the plurality of shielded electric wires 12, 13, 14. It may be positioned so as to overlap the radial outward surface of the external insulating coating (for example, external insulating coatings 13d, 14d) of the shielded electric wire 2 (for example, the shielded electric wires 13 and 14) in the radial direction. The rubber stopper 21 included in the waterproof member 19 of the embodiment alone or in cooperation with the binding band 23 is the open end of the resin pipe 20 and the first shielded electric wire (for example, the shielded electric wire 12). The radial outward surface of the external insulating coating (for example, the external insulating coating 12d) may be referred to as a first elastic sealing element that seals watertightly and positions the wire harness 11 in the extending direction. The rubber stopper 22 included in the waterproof member 19 of the embodiment alone or in cooperation with the binding band 24 has the other open end of the resin pipe 20 and the second shielded electric wire (for example, the shielded electric wires 13, 14). ) The radial outward surface of the external insulating coating (for example, the external insulating coatings 13d and 14d) is referred to as a second elastic sealing element that seals water-stop and positions the wire harness 11 in the extending direction. Sometimes.
　１１　ワイヤハーネス
　１２～１４　シールド電線
　１２ａ～１４ａ　芯線
　１２ｂ～１４ｂ　内部絶縁被覆
　１２ｃ～１４ｃ　電磁シールド部材
　１２ｄ～１４ｄ　外部絶縁被覆
　１５　圧着端子（接続部）
　１６　絶縁部材
　１７　電磁シールドパイプ
　１８　かしめ部材（固定部材）
　１９　防水部材
　２０　樹脂パイプ
　２１，２２　ゴム栓
　２３，２４　結束バンド
　３０　ワイヤハーネス
　３１～３３　シールド電線
　３４～３９　芯線
　４０～４２　電磁シールド部材
　４３，４４　接続部
　４５　電磁シールドパイプ
　４６　かしめ部材（固定部材） 11 Wire harness 12-14 Shielded wire 12a-14a Core wire 12b-14b Internal insulation coating 12c-14c Electromagnetic shield member 12d-14d External insulation coating 15 Crimping terminal (connection part)
16 Insulation member 17 Electromagnetic shield pipe 18 Caulking member (fixing member)
19 Waterproof member 20 Resin pipe 21,22 Rubber stopper 23,24 Binding band 30 Wire harness 31-33 Shielded wire 34-39 Core wire 40-42 Electromagnetic shield member 43,44 Connection part 45 Electromagnetic shield pipe 46 Caulking member (fixing member)

Claims (5)

  1. 　芯線と該芯線の外周を覆う電磁シールド部材とを有した複数のシールド電線と、
    　前記芯線同士が接続された接続部と、
    　前記接続部を覆い外周面に複数の前記電磁シールド部材が接続された電磁シールドパイプと
    を備えたワイヤハーネス。     A plurality of shielded electric wires having a core wire and an electromagnetic shield member covering the outer circumference of the core wire,
    The connection part where the core wires are connected and
    A wire harness provided with an electromagnetic shield pipe that covers the connection portion and has a plurality of the electromagnetic shield members connected to the outer peripheral surface.
  2. 　前記電磁シールドパイプは、内径及び外径が一定の材料からなる請求項１に記載のワイヤハーネス。 The wire harness according to claim 1, wherein the electromagnetic shield pipe is made of a material having a constant inner diameter and outer diameter.
  3. 　前記電磁シールドパイプの外周面に配置された複数の前記電磁シールド部材を固定する固定部材を備えた請求項１又は請求項２に記載のワイヤハーネス。 The wire harness according to claim 1 or 2, further comprising a fixing member for fixing a plurality of the electromagnetic shield members arranged on the outer peripheral surface of the electromagnetic shield pipe.
  4. 　前記固定部材は、前記電磁シールドパイプの外周を囲うように設けられてかしめ固定されたかしめ部材である請求項３に記載のワイヤハーネス。 The wire harness according to claim 3, wherein the fixing member is a caulking member provided so as to surround the outer periphery of the electromagnetic shield pipe and crimped and fixed.
  5. 　前記電磁シールドパイプを覆う防水部材を備えた請求項１から請求項４のいずれか１項に記載のワイヤハーネス。 The wire harness according to any one of claims 1 to 4, which is provided with a waterproof member that covers the electromagnetic shield pipe.
PCT/JP2020/047236 2019-12-26 2020-12-17 Wire harness WO2021132031A1 (en)

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JP2019236636A JP2021106210A (en) 2019-12-26 2019-12-26 Wire harness
JP2019-236636 2019-12-26

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2023058459A1 (en) * 2021-10-05 2023-04-13 株式会社オートネットワーク技術研究所 Wire harness
WO2024157774A1 (en) * 2023-01-26 2024-08-02 株式会社オートネットワーク技術研究所 Wire harness

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023021645A (en) * 2021-08-02 2023-02-14 株式会社オートネットワーク技術研究所 wire harness
WO2023119804A1 (en) * 2021-12-22 2023-06-29 株式会社オートネットワーク技術研究所 Wire harness
JP2023102046A (en) * 2022-01-11 2023-07-24 株式会社オートネットワーク技術研究所 wire harness
JP2023146269A (en) * 2022-03-29 2023-10-12 住友電装株式会社 Wiring harness
JP2023146268A (en) * 2022-03-29 2023-10-12 住友電装株式会社 Wiring harness
WO2023188479A1 (en) * 2022-04-01 2023-10-05 株式会社オートネットワーク技術研究所 Wire harness

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US3502788A (en) * 1968-07-11 1970-03-24 Bell Telephone Labor Inc Electrical connectors for coaxial cables
JPS5588513A (en) * 1978-09-14 1980-07-04 Raychem Ltd Enclosure for end and seam of cable
JPS5727675U (en) * 1980-07-24 1982-02-13
JPS5910129B2 (en) * 1973-03-21 1984-03-07 レイチエム コ−ポレ−シヨン Method of electrically connecting two cables and cable joint
WO2006107050A1 (en) * 2005-04-04 2006-10-12 Autonetworks Technologies, Ltd. Shielded conductor and method for manufacturing same

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US3502788A (en) * 1968-07-11 1970-03-24 Bell Telephone Labor Inc Electrical connectors for coaxial cables
JPS5910129B2 (en) * 1973-03-21 1984-03-07 レイチエム コ−ポレ−シヨン Method of electrically connecting two cables and cable joint
JPS5588513A (en) * 1978-09-14 1980-07-04 Raychem Ltd Enclosure for end and seam of cable
JPS5727675U (en) * 1980-07-24 1982-02-13
WO2006107050A1 (en) * 2005-04-04 2006-10-12 Autonetworks Technologies, Ltd. Shielded conductor and method for manufacturing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023058459A1 (en) * 2021-10-05 2023-04-13 株式会社オートネットワーク技術研究所 Wire harness
WO2024157774A1 (en) * 2023-01-26 2024-08-02 株式会社オートネットワーク技術研究所 Wire harness

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