WO2020079914A1 - Faisceau de câbles et élément d'emballage extérieur - Google Patents

Faisceau de câbles et élément d'emballage extérieur Download PDF

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Publication number
WO2020079914A1
WO2020079914A1 PCT/JP2019/029410 JP2019029410W WO2020079914A1 WO 2020079914 A1 WO2020079914 A1 WO 2020079914A1 JP 2019029410 W JP2019029410 W JP 2019029410W WO 2020079914 A1 WO2020079914 A1 WO 2020079914A1
Authority
WO
WIPO (PCT)
Prior art keywords
opening
electric wire
wire harness
vehicle
foreign matter
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.)
Ceased
Application number
PCT/JP2019/029410
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English (en)
Japanese (ja)
Inventor
宏樹 田丸
武史 清水
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
Publication of WO2020079914A1 publication Critical patent/WO2020079914A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • 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
    • 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

Definitions

  • the present invention relates to a wire harness and an exterior member.
  • a wire harness used in a vehicle such as a hybrid vehicle or an electric vehicle
  • a wire harness in which the outer side of an electric wire member is covered with an exterior member such as a corrugated tube or a resin pipe
  • an exterior member such as a corrugated tube or a resin pipe
  • a wire harness may be routed under the floor of the vehicle or the like and exposed to the outside, it is covered with various exterior members, and a foam member is interposed between the exterior members to form an exterior member and an electric wire member.
  • Patent Document 1 There has been an attempt to prevent a foreign matter such as sand from entering between and
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a wire harness and an exterior member that can favorably protect an electric wire member.
  • a wire harness that solves the above problem is a wire harness that includes an electric wire member and an exterior member through which the electric wire member is inserted, and is fixed to a vehicle, wherein the exterior member has an extending direction of the electric wire member.
  • the exterior member has an opening portion that opens in a direction orthogonal to the extending direction of the electric wire member and at least two passage pieces that alternately extend in opposite directions, and the opening portion and Since a discharge part having a labyrinth structure that communicates with the outside of the exterior member is provided, the foreign substance that has entered between the exterior member and the electric wire member is discharged from the discharge part while making it difficult for foreign matter to enter the exterior member. be able to. Therefore, it is possible to prevent the electric wire member from being rubbed against a foreign substance such as sand for a long period of time and scratched, and the electric wire member can be well protected.
  • At least one of the passage pieces may extend while being inclined in the direction of gravity while being fixed to the vehicle. According to this structure, at least one of the passage pieces is inclined and extends in the direction of gravity in a state of being fixed to the vehicle, so that foreign matter is easily discharged to the outside of the wire harness.
  • a chamfer may be formed at the end of the opening on the side of the electric wire member. According to this structure, since the chamfered portion is formed at the end of the opening on the side of the electric wire member, the electric wire member is prevented from being scratched and scratched at the end of the opening on the side of the electric wire member.
  • the opening may be formed to be smaller than a range of an inner surface of the discharging portion on an outer surface of the exterior member. According to this structure, since the opening is formed smaller than the range of the inner surface of the discharging portion on the outer surface of the outer covering member, foreign matter such as sand enters the inside of the outer covering member from inside the discharging portion through the opening. It will be difficult.
  • the discharge part may be provided with a door part that opens the discharge part by an external force from the opening side toward the outside.
  • the discharge portion is provided with the door portion that opens the discharge portion by the external force from the opening side toward the outside. Only when an external force directed to the side is applied, the open state is set and foreign matter such as sand can be discharged. In addition, in a closed state when no external force is applied to the door portion from the opening side to the outside, foreign matter such as sand is prevented from entering from the outside to the opening side.
  • the external opening that opens to the outside of the discharge unit may open in the direction of gravity while being fixed to the vehicle. According to this structure, the external opening that opens to the outside of the discharging portion is opened toward the direction of gravity while being fixed to the vehicle, so that foreign matter flying in from the horizontal direction does not enter the discharging portion.
  • An exterior member that solves the above-mentioned problems is an exterior member through which an electric wire member is inserted, and an opening that opens in an orthogonal direction that is orthogonal to the extending direction of the electric wire member and at least two that alternately extend in opposite directions.
  • a labyrinth-shaped discharge portion having one passage piece and connecting the opening portion and the outside of the exterior member is provided.
  • the opening and the outside of the exterior member are provided with the opening opening in the orthogonal direction orthogonal to the extending direction of the electric wire member and at least two passage pieces alternately extending in the opposite directions. Since the foreign matter is provided with a maze structure that communicates with each other, the foreign matter entering between the outer casing member and the electric wire member can be discharged while the foreign matter hardly enters the inside of the outer casing member from the discharging unit. Therefore, it is possible to prevent the electric wire member from being rubbed against a foreign substance such as sand for a long period of time and scratched, and the electric wire member can be well protected.
  • the electric wire member can be well protected.
  • FIGS. 1 and 2 An embodiment of the wire harness will be described below with reference to FIGS. 1 and 2.
  • a part of the configuration may be exaggerated or simplified.
  • the dimensional ratio of each part may be different from the actual one.
  • the wire harness 10 electrically connects two or more electric devices (devices), and is installed in the front part of a vehicle V such as a hybrid vehicle or an electric vehicle, for example.
  • the connected inverter 11 is electrically connected to the high voltage battery 12 installed behind the vehicle V with respect to the inverter 11.
  • the wire harness 10 is arranged, for example, so as to pass under the floor of the vehicle V, one end thereof is connected to the inverter 11 via the connector C1, and the other end thereof is connected to the high-voltage battery 12 via the connector C1.
  • the inverter 11 is connected to a wheel driving motor (not shown) that serves as a power source for driving the vehicle.
  • the inverter 11 generates AC power from the DC power of the high voltage battery 12 and supplies the AC power to the motor.
  • the high voltage battery 12 is, for example, a battery that can supply a voltage of 100 volts or more.
  • the wire harness 10 includes an electric wire member 20, and the electric wire member 20 includes a plurality of core wires 21 and an insulating coating 22 that covers the outer periphery of the core wires 21 (two wires in the present embodiment). ), And a braid member 24 that surrounds the outer periphery of the electric wire 23 and is an electromagnetic shield member in which a plurality of metal element wires are knitted.
  • An aluminum-based metal material is used as the material of the metal element wires constituting the braided member 24 of the present embodiment.
  • the wire harness 10 is provided with a metal pipe 25, a protector 26, and a corrugated tube 27 as various or a series of exterior members through which the electric wire member 20 is inserted.
  • the metal pipe 25 is provided so as to extend from the high-voltage battery 12 and cover the electric wire member 20 arranged under the floor of the vehicle V.
  • the protector 26 is provided so as to cover the bent portion of the electric wire member 20 closer to the inverter 11 than the metal pipe 25.
  • the corrugated tube 27 is provided so as to cover the electric wire member 20 between the protector 26 and the inverter 11.
  • the discharge portion 33 includes a rear extension portion 34 that extends slightly downward from an end portion of the opening portion 30 on the vehicle rear side (right side in FIG. 2), and a vehicle front side from a tip of the rear extension portion 34.
  • the first passage piece 31 extends to the left (in FIG. 2, left side).
  • the discharge portion 33 includes a front extension portion 35 extending downward from an end portion of the opening portion 30 on the vehicle front side (left side in FIG. 2), and a vehicle rear side from a tip of the front extension portion 35 (FIG. 2, and the second passage piece 32 extending to the right side).
  • the second passage piece 32 is arranged below the first passage piece 31 and constitutes a maze structure together with the first passage piece 31. Further, the discharge portion 33 extends downward from both ends of the opening portion 30 in the vehicle width direction (the direction orthogonal to the paper surface in FIG. 2) and closes side walls of the first and second passage pieces 31 and 32. Has 36. Further, the first and second passage pieces 31 and 32 of the present embodiment respectively extend while being inclined in the direction of gravity while being fixed to the vehicle. Further, a chamfered portion 37 having an R-shaped cross section is formed at the end of the opening 30 of the present embodiment on the electric wire member 20 side (that is, the opening edge of the opening 30).
  • the outer circumference of the one end of the protector 26 and the outer circumference of the electric wire member 20 are provided.
  • the tape 38 is closed by a tape 38 that is wound around.
  • the operation of the wire harness 10 configured as above will be described.
  • foreign matter such as sand on the ground may be splashed and hung on the wire harness 10 due to splashing by a rotating tire and traveling wind.
  • the foreign matter mainly falls from the opening portion 30 onto the first passage piece 31 below, and is further broken down.
  • 1 falls on the second passage piece 32 below between the tip of the first passage piece 31 and the front extension portion 35, and further from the tip of the second passage piece 32, that is, the foreign matter outlet 39 to the protector 26. It is discharged to the outside.
  • the protector 26 has an opening 30 that opens in an orthogonal direction orthogonal to the extending direction of the electric wire member 20, and first and second passage pieces 31 and 32 that alternately extend in opposite directions. And a discharge portion 33 having a maze structure that communicates the opening 30 with the outside of the protector 26. Therefore, it is possible to discharge the foreign matter that has entered between the protector 26 and the electric wire member 20, while having a structure in which the foreign matter such as sand hardly enters the protector 26 from the discharge portion 33. Therefore, it is possible to prevent the electric wire member 20 from being rubbed against a foreign matter such as sand for a long period of time and scratched, and the electric wire member 20 can be well protected.
  • the present embodiment can be modified and implemented as follows.
  • the present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
  • the rear extending portion 34 of the discharge portion 33 extends downward from the vehicle rear end of the opening 30, and the front extending portion 35 extends downward from the vehicle front end of the opening 30.
  • the range of the opening 30 and the range of the inner surface of the discharge portion 33 on the outer surface of the protector 26 are configured to be the same, but the opening portion is formed on the outer surface of the protector 26. It may be formed smaller than the range of the inner surface of the.
  • the width of the opening 40 in the front-rear direction is smaller than the distance between the rear extending portion 34 and the front extending portion 35 in the front-rear direction, and the opening 40 is the inner surface of the discharge portion 33 on the outer surface of the protector 26. Is formed smaller than the range.
  • the opening 40 is formed at the center of the outer surface of the protector 26 in the front-rear direction of the inner surface of the discharge portion 33.
  • the discharge part 33 of the above-mentioned embodiment may be provided with a door part which opens the discharge part 33 by an external force directed from the openings 30, 40 to the outside.
  • a plate-shaped door portion 42 is rotatably provided at the tip of the rear extension portion 34 of the above-described another example (see FIG. 3) via a thin hinge portion 41.
  • the door portion 42 is arranged so as to extend downward in a state where no external force is applied, and contacts the tip end portion of the second passage piece 32 to close the discharge portion 33.
  • the door 42 is separated from the tip of the second passage piece 32 by, for example, foreign matter such as sand moving outward from the opening 40 side and coming into contact with and pushing the door 42.
  • the discharge part 33 is opened (see the chain double-dashed line in FIG. 4).
  • the external opening portion that opens to the outside of the discharge portion 33 is configured to open toward the rear of the vehicle, but the configuration is not limited to this, and the configuration is open toward other directions. May be
  • the external opening 43 that opens to the outside of the discharge portion 33 opens in the direction of gravity while being fixed to the vehicle V (in other words, it opens only in the direction of gravity and is horizontal. (It is not opened in the direction).
  • a wall portion 44 extending downward from the outer circumference of the protector 26 is formed on the vehicle rear side (right side in FIG. 5) of the rear extension portion 34 in the discharge portion 33 of the above-described embodiment (see FIG. 2). There is.
  • the wall portion 44 extends downward to the same position as the lower end of the second passage piece 32, and the side wall 36 is formed continuously up to the wall portion 44.
  • the external opening 43 formed by the lower end of the second passage piece 32, the lower end of the side wall 36, and the lower end of the wall portion 44 is configured to open in the gravity direction while being fixed to the vehicle V. Has been done.
  • the first and second passage pieces 31 and 32 are assumed to extend while being inclined to the gravity direction in a state of being fixed to the vehicle, but the present invention is not limited to this, and only one of the gravity pieces is gravitated. It may be configured to be inclined and extended in the direction, or neither may be configured to be inclined in the gravity direction.
  • the chamfered portion 37 having an R-shaped cross section is formed at the end of the opening 30 on the side of the electric wire member 20, but the chamfered portion is not limited to this and may be, for example, an inclined chamfered portion. The chamfered portion may not be formed.
  • the discharge part 33 assumed that it has the 1st and 2nd passage pieces 31 and 32, if it has at least 2 passage pieces which mutually extend in opposite directions, it will be a passage piece.
  • the number may be three or more.
  • the electric wire member 20 includes the electric wire 23 and the braid member 24.
  • the electric wire member may have another structure.
  • the braid member 24 may be an electromagnetic shield member having another structure, or may be an electric wire member (only the electric wire 23) that does not include the electromagnetic shield member.
  • the aluminum-based metal material is used as the material of the metal element wires constituting the braided member 24 of the above-described embodiment, a copper-based metal material or the like may be used.
  • the electric wire 23 of the electric wire member 20 was two, it is not limited to this and may be one, and may be three or more.
  • the protector 26, which is one of the exterior members through which the electric wire member 20 is inserted is provided with the openings 30, 40 and the discharge portion 33, but other than the metal pipe 25, the corrugated tube 27, and the like.
  • the exterior member may be provided with an opening and a discharge portion.
  • the metal pipe 25, the protector 26, and the corrugated tube 27 are provided as the exterior members, but needless to say, it is not necessary to provide all of them, for example, the metal pipe 25 is not provided as the exterior member.
  • the configuration may be such that the metal pipe 25 and the protector 26 are not provided, that is, only the corrugated tube 27 is provided.
  • the exterior members (metal pipe 25, protector 26, and corrugated tube 27) arranged as described above may be changed to other exterior members, for example, the metal pipe 25 is replaced with a resin pipe as the exterior member. You may change it.
  • the arrangement relationship between the inverter 11 and the high voltage battery 12 in the vehicle is not limited to the above embodiment, and may be changed appropriately according to the vehicle configuration.
  • the high-voltage battery 12 may be embodied in a wire harness 10 that is disposed on substantially the entire floor of the vehicle V and electrically connects the high-voltage battery 12 and the inverter 11.
  • the metal pipe 25 as an exterior member is not provided, and a corrugated tube 27 is provided between the high voltage battery 12 and the protector 26.
  • the inverter 11 and the high voltage battery 12 are used as the electric devices connected by the wire harness 10, but the electric device is not limited to this.
  • the electric device may be adopted in a wire harness that connects the inverter 11 and a wheel driving motor. That is, any device that electrically connects the electric devices mounted on the vehicle can be applied.
  • the openings 30 and 40 and the first passage piece 31 in the illustrated example are typical examples of pits configured so that solid foreign matter such as sand particles fall there.
  • All or a part of the portion 43 and the wall portion 44 are typical examples of the solid foreign matter discharging structure.
  • a wire harness (10) according to one or more implementation examples of the present disclosure includes A tubular exterior member (26) having an outer peripheral wall forming an internal space for inserting the shielded or non-shielded electric wire (20), and an opening edge from which the shielded or non-shielded electric wire (20) is drawn out.
  • a tubular exterior member (26) having an outer peripheral wall forming an internal space for inserting the shielded or non-shielded electric wire (20), and an opening edge from which the shielded or non-shielded electric wire (20) is drawn out.
  • Solid foreign matter discharge structure (30, 40, 31, 32, 33, 34, 35, 36, 39 configured to promote discharge of solid foreign matter from the internal space of the tubular exterior member (26). , 43, 44).
  • the solid foreign matter may be a granular solid foreign matter such as sand grains.
  • the solid foreign matter discharging structure is A pit (30, 31; 40) configured such that the solid foreign matter falls from the inner peripheral surface of the outer peripheral wall of the tubular outer casing member (26) to the outer peripheral wall; And a zigzag rope (31, 32) configured to move, roll or drop the solid foreign matter that has fallen in the pit (30; 40) toward the solid foreign matter outlet (39, 43). .
  • the zigzag slopes (31, 32) are A first slope (31) forming a bottom surface of the pit (30, 31; 40); A second slope (32) spaced downward from the first slope (31) may be provided.
  • the extension direction and / or the inclination direction of the first slope (31) and the second slope (32) may be staggered.
  • the first slope (31) can have a first tilt angle with a first sign that is either positive or negative with respect to the direction of gravity.
  • the second slope (32) may have a second tilt angle with a second sign that is either positive or negative with respect to the direction of gravity.
  • the wire harness (10) is configured to be electrically connected to the electric devices (11, 12) of the vehicle (V),
  • the first slope (31) may be inclined toward the front of the vehicle (V),
  • the second slope (32) may be inclined toward the rear of the vehicle (V).
  • the solid foreign matter outlet (39) can be opened toward the rear of the vehicle (V).
  • the pits (30, 40) can be opened to the inner peripheral surface of the outer peripheral wall of the tubular exterior member (26). The opening edge (37) of the pits (30, 40) may be chamfered.
  • the solid foreign matter discharging structure may be provided at a lowermost position in the direction of gravity in the tubular exterior member (26).
  • the tubular exterior member (26) may be a one-piece synthetic resin product including the solid foreign matter discharging structure.
  • Wire harness 20 ... Electric wire member 26 ... Protector (exterior member) 30, 40 ... Opening 31 ... First passage piece (passage piece) 32 ... Second passage piece (passage piece) 33 ... Ejection part 37 ... Chamfer part 42 ... Door part 43 ... External opening V ... Vehicle

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Indoor Wiring (AREA)
  • Insulated Conductors (AREA)

Abstract

La présente invention concerne un faisceau de câbles (10) comprenant un élément de ligne électrique (20) et un protecteur (26) dans lequel l'élément de ligne électrique (20) est inséré. Le protecteur (26) est doté : d'une section ouverte (30) qui s'ouvre dans une direction d'intersection qui croise la direction d'extension de l'élément de ligne électrique (20) ; et d'une section de décharge (33) présentant une structure labyrinthique qui présente des première et seconde pièces de passage (31, 32) qui s'étendent dans des directions opposées décalées, la structure labyrinthique communiquant entre la section ouverte (30) et l'extérieur.
PCT/JP2019/029410 2018-10-15 2019-07-26 Faisceau de câbles et élément d'emballage extérieur Ceased WO2020079914A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018194087A JP2020062901A (ja) 2018-10-15 2018-10-15 ワイヤハーネス、及び外装部材
JP2018-194087 2018-10-15

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Publication Number Publication Date
WO2020079914A1 true WO2020079914A1 (fr) 2020-04-23

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Application Number Title Priority Date Filing Date
PCT/JP2019/029410 Ceased WO2020079914A1 (fr) 2018-10-15 2019-07-26 Faisceau de câbles et élément d'emballage extérieur

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WO (1) WO2020079914A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023087768A (ja) * 2021-12-14 2023-06-26 矢崎総業株式会社 プロテクタ、及び、ワイヤハーネス
KR102692796B1 (ko) * 2022-05-12 2024-08-07 주식회사 경신 와이어 하네스용 콜게이트 튜브
JP2024111465A (ja) * 2023-02-06 2024-08-19 住友電装株式会社 ワイヤハーネス

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281087U (fr) * 1988-12-09 1990-06-22
JPH0578124U (ja) * 1992-03-18 1993-10-22 古河電気工業株式会社 電気接続箱の排水構造
WO1999001921A1 (fr) * 1997-07-02 1999-01-14 Mitsubishi Denki Kabushiki Kaisha Alternateur pour vehicule
JP2003047125A (ja) * 2001-07-31 2003-02-14 Yazaki Corp 防水ボックスの排水構造
JP2005019069A (ja) * 2003-06-24 2005-01-20 Sumitomo Wiring Syst Ltd 電線カバー
JP2005304131A (ja) * 2004-04-08 2005-10-27 Yazaki Corp ワイヤーハーネスの防水構造及びワイヤーハーネス
JP2015002593A (ja) * 2013-06-14 2015-01-05 住友電装株式会社 プロテクタ及びプロテクタ付ワイヤーハーネス
JP2016096595A (ja) * 2014-11-12 2016-05-26 住友電装株式会社 電線保護パイプおよびワイヤハーネス

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281087U (fr) * 1988-12-09 1990-06-22
JPH0578124U (ja) * 1992-03-18 1993-10-22 古河電気工業株式会社 電気接続箱の排水構造
WO1999001921A1 (fr) * 1997-07-02 1999-01-14 Mitsubishi Denki Kabushiki Kaisha Alternateur pour vehicule
JP2003047125A (ja) * 2001-07-31 2003-02-14 Yazaki Corp 防水ボックスの排水構造
JP2005019069A (ja) * 2003-06-24 2005-01-20 Sumitomo Wiring Syst Ltd 電線カバー
JP2005304131A (ja) * 2004-04-08 2005-10-27 Yazaki Corp ワイヤーハーネスの防水構造及びワイヤーハーネス
JP2015002593A (ja) * 2013-06-14 2015-01-05 住友電装株式会社 プロテクタ及びプロテクタ付ワイヤーハーネス
JP2016096595A (ja) * 2014-11-12 2016-05-26 住友電装株式会社 電線保護パイプおよびワイヤハーネス

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