WO2023127505A1 - Structure de routage - Google Patents

Structure de routage Download PDF

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Publication number
WO2023127505A1
WO2023127505A1 PCT/JP2022/046109 JP2022046109W WO2023127505A1 WO 2023127505 A1 WO2023127505 A1 WO 2023127505A1 JP 2022046109 W JP2022046109 W JP 2022046109W WO 2023127505 A1 WO2023127505 A1 WO 2023127505A1
Authority
WO
WIPO (PCT)
Prior art keywords
ferrite
case
busbar
bus bar
wiring
Prior art date
Application number
PCT/JP2022/046109
Other languages
English (en)
Japanese (ja)
Inventor
匡宏 牧野
潤 下津佐
Original Assignee
矢崎総業株式会社
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 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Publication of WO2023127505A1 publication Critical patent/WO2023127505A1/fr

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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
    • 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
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/02—Arrangements of circuit components or wiring on supporting structure
    • H05K7/06—Arrangements of circuit components or wiring on supporting structure on insulating boards, e.g. wiring harnesses

Definitions

  • the present invention relates to a wiring structure.
  • Patent Literature 1 discloses that, in an electric connection box mounted on an automobile, noise is absorbed by fitting a magnetic ring to the outer circumference of a portion of a busbar housed in a case. .
  • a wiring structure according to an embodiment is a wiring structure of a wiring member that is passed through an annular ferrite and connected to an electrical connection box.
  • the wiring member includes an electric wire and a plate-shaped bus bar at least partially covered with a case.
  • the electric wire and the bus bar are adjacent to each other and passed through the ferrite.
  • the case has spherical support projections that contact the inner surface of the ferrite on the front and back sides of the insertion portion of the bus bar into the ferrite.
  • FIG. 1 is a perspective view of a connecting portion of a wiring member in an electric connection box to which the wiring structure according to the present embodiment is applied.
  • FIG. 2 is a perspective view of a wiring member.
  • FIG. 3 is a perspective view of the wiring member with the ferrite case removed.
  • FIG. 4 is a perspective view of a wiring member showing a state in which ferrite is split.
  • FIG. 5 is a plan view of the wiring member with the ferrite case removed.
  • FIG. 6 is a perspective view of a busbar to which a case is attached.
  • FIG. 9 is an enlarged view of a portion C in FIG. 7.
  • FIG. FIG. 10 is a cross-sectional view taken along line AA in FIG.
  • FIG. 1 is a perspective view of a connecting portion of a wiring member in an electric connection box to which the wiring structure according to the present embodiment is applied.
  • the wiring structure in this embodiment is a structure for wiring a wiring member 100 to an electric connection box 1 such as a junction block.
  • the electric connection box 1 has two terminal portions 2 and 3 .
  • the wiring member 100 includes busbars 10 and electric wires 60 as wiring members, and the ends of the busbars 10 and electric wires 60 are fastened and connected to the terminal portions 2 and 3 of the electric connection box 1 . ing.
  • the wiring member 100 is wired to the electrical connection box 1 .
  • the bus bar 10 and the electric wire 60 of the wiring member 100 are wiring members that are connected from the electric connection box 1 to a battery or the like, and one of them is a positive electrode and the other is a negative electrode.
  • FIG. 2 is a perspective view of the wiring member.
  • FIG. 3 is a perspective view of the wiring member with the ferrite case removed.
  • FIG. 4 is a perspective view of a wiring member showing a state in which ferrite is split.
  • FIG. 5 is a plan view of the wiring member with the ferrite case removed.
  • the wiring member 100 including the busbar 10 and the electric wire 60 has a ferrite portion 70.
  • a ferrite 71 is provided in the ferrite portion 70, and the ferrite 71 is covered with a ferrite case 72 made of insulating resin.
  • the ferrite 71 is composed of a pair of split ferrites 71a and 71b, and these split ferrites 71a and 71b are combined to form an elliptical ring.
  • the ferrite 71 is attached to the body of an automobile or the like with a bracket or the like while being covered with a ferrite case 72 .
  • the bus bar 10 and the electric wire 60 are passed through an annular ferrite 71, and the outer periphery thereof is covered with the ferrite 71 in the circumferential direction.
  • the ferrite 71 suppresses the generation of noise even when a high-voltage, high-current current flows through the bus bar 10 and the electric wire 60 .
  • the bus bar 10 and the electric wire 60 are arranged as parallel wiring portions 10A and 60A that are arranged close to each other in parallel.
  • the electric wire 60 arranged in parallel with the bus bar 10 is made of an insulated wire in which the outer circumference of the core wire is covered with a jacket made of an insulating resin, and one end thereof is connected to a terminal fitting 61 having a hole 61a.
  • a terminal fitting 61 provided at one end of the electric wire 60 is connected to the terminal portion 3 of the electrical junction box, and the other end is connected to, for example, a battery terminal.
  • FIG. 6 is a perspective view of the busbar with the case attached.
  • FIG. 7 is a perspective view of the busbar to which the case is attached, viewed from the lower surface side.
  • one end of the busbar 10 has a connection portion 21 having a hole 21a, and this connection portion 21 is connected to the terminal portion 2 of the electrical connection box 1. .
  • An electric wire 23 is connected to the other end of the bus bar 10 . This electric wire 23 is connected to, for example, a terminal of a battery.
  • the bus bar 10 is formed in a plate shape.
  • the bus bar 10 is made of a plate material made of a conductive metal material such as copper, copper alloy, aluminum, or aluminum alloy.
  • the busbar 10 is covered with a case 30 molded from an insulating resin material, except for the connecting portion 21 .
  • the case 30 is composed of a first case 31 and a second case 32 .
  • the first case 31 is attached to the lower side of the busbar 10 , and the lower side of the busbar 10 is covered with the first case 31 .
  • the second case 32 is mounted on the upper side of the busbar 10 , and the upper side of the busbar 10 is covered with the second case 32 .
  • the second case 32 is assembled to the first case 31 attached to the busbar 10 from above.
  • the first case 31 and the second case 32 are attached to the busbar 10 , and the busbar 10 is covered with the case 30 composed of the first case 31 and the second case 32 .
  • the case 30 consisting of the first case 31 and the second case 32 has a plurality of locking portions 37.
  • the lock portion 37 is composed of a locking claw 38 formed in the first case 31 and a locking hole 39 formed in the second case 32 .
  • the case 30 covering the busbar 10 has two support projections 41 and 42. These support protrusions 41 and 42 are provided on the front and back sides of the case 30 .
  • FIG. 8 is an enlarged view of the B portion in FIG. 6.
  • FIG. 9 is an enlarged view of a portion C in FIG. 7.
  • FIG. FIG. 10 is a cross-sectional view taken along line AA in FIG.
  • the support projections 41 and 42 provided on the case 30 are each formed in a spherical shape.
  • One support projection 41 is integrally formed with the first case 31 (see FIG. 9)
  • the other support projection 42 is integrally formed with the second case 32 (see FIG. 8).
  • a plurality of ribs 45 are integrally formed around the support projection 41 and extend from the support projection 41 toward the outer periphery. These ribs 45 have a lower projection height than the support projections 41 .
  • four ribs 45 are formed around the support projection 41 at regular intervals in the circumferential direction.
  • a pair of ribs 45 facing each other are formed along the longitudinal direction of busbar 10
  • another pair of ribs 45 facing each other are formed along the width direction of busbar 10 .
  • a plurality of ribs 46 are integrally formed around the support projection 42 and extend from the support projection 42 toward the outer circumference. These ribs 46 have a lower projection height than the support projections 42 .
  • four ribs 46 are formed around the support projection 42 at regular intervals in the circumferential direction.
  • a pair of ribs 46 facing each other are formed along the longitudinal direction of busbar 10
  • another pair of ribs 46 facing each other are formed along the width direction of busbar 10 .
  • the ferrite 71 through which the bus bar 10 and the electric wire 60 are inserted is covered with a ferrite case 72 and attached to the body side of the vehicle. Therefore, the bus bar 10 connected to the electric junction box 1 may be tilted relative to the ferrite 71, or an assembly error may occur between the ferrite 71 and the bus bar 10.
  • the support projections 41 and 42 of the case 30 of the busbar 10 are in point contact with the inner surface of the ferrite 71, so that the busbar 10 can be passed through the ferrite 71 and easily connected to the electric connection box 1 without difficulty. routed to
  • the support projections 41 and 42 provided on the case 30 covering the bus bar 10 contacts the inner surface of the ferrite 71 .
  • the bus bar 10 passed through the ferrite 71 is routed while being well supported. Since the support projections 41 and 42 provided on the case 30 are spherically formed, they come into point contact with the inner surface of the ferrite 71 .
  • the bus bar 10 connected to the electric connection box 1 is tilted relative to the ferrite 71 or if an assembly error occurs between the ferrite 71 and the bus bar 10, the bus bar 10 can be passed through the ferrite 71. can be easily routed to the electric connection box 1 without difficulty.
  • the case 30 has ribs 45 and 46 extending from the support projections 41 and 42 that contact the inner surface of the ferrite 71, the formation locations of the support projections 41 and 42 in the case 30 are determined by the ribs 45 and 46. Reinforced. Therefore, even if force is applied to the support protrusions 41 and 42 when the vehicle vibrates in the vertical direction, the influence of the force on the case 30 can be suppressed by the ribs 45 and 46 .
  • the ribs 45 and 46 have a projection height lower than that of the support projections 41 and 42, the ribs 45 and 46 contact the inner surface of the ferrite 71, thereby preventing the application of excessive force to the case 30. It is possible to support the bus bar 10 by bringing the support projections 41 and 42 into contact with the inner surface of the ferrite 71 while suppressing it.
  • the present invention is not limited to the above-described embodiments, and can be modified, improved, etc. as appropriate.
  • the material, shape, size, number, location, etc. of each component in the above-described embodiment are arbitrary and not limited as long as the present invention can be achieved.
  • a wiring structure for a wiring member (100) that is passed through an annular ferrite (71) and connected to an electrical connection box (1) includes an electric wire (60) and a plate-like bus bar (10) at least partially covered with a case (30), The electric wire (60) and the busbar (10) are adjacent to each other and passed through the ferrite (71), The case (30) has spherical support projections (41, 42) contacting the inner surface of the ferrite (71) on the front and back sides of the portion where the bus bar (10) is inserted into the ferrite (71). cord structure.
  • the support projections provided on the case that covers the bus bar come into contact with the inner surface of the ferrite.
  • the bus bar passed through the ferrite is routed while being well supported. Since the support projections provided on the case are formed in a spherical shape, they come into point contact with the inner surface of the ferrite. Therefore, even if the busbar connected to the electrical junction box is tilted relative to the ferrite, or if there is an assembly error between the ferrite and the busbar, the busbar can be passed through the ferrite and connected to the electrical junction box without difficulty. Can be easily routed.
  • the case (30) has ribs (45, 46) extending from the support projections (41, 42), The routing structure according to [1] above.
  • the case has ribs extending from the support projections that contact the inner surface of the ferrite, so that the ribs reinforce the formation locations of the support projections in the case. . Therefore, even if force is applied to the support projection when the vehicle vibrates in the vertical direction, the rib can suppress the influence of the force on the case.
  • the ribs (45, 46) have a lower protrusion height than the support protrusions (41, 42), The routing structure described in [2] above.
  • the rib since the rib has a projection height lower than that of the support projection, the rib contacts the inner surface of the ferrite, and an excessive force acts on the case.
  • the bus bar can be supported by contacting the support protrusions with the inner surface of the ferrite while suppressing the

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

Structure de routage d'un élément de routage (100) devant être connecté à une boîte de connexion électrique (1) par l'intermédiaire d'un anneau de ferrite (71), l'élément de routage (100) comprenant un fil électrique (60) et une plaque de barre omnibus (10) dont au moins une partie est recouverte par un boîtier (30). Le fil électrique (60) et la plaque de barre omnibus (10) sont insérés dans l'anneau de ferrite (71) tout en étant adjacents l'un à l'autre et le boîtier (30) présente, sur les côtés avant et arrière d'une partie correspondant à l'endroit où la plaque de barre omnibus insérée (10) est dans l'anneau de ferrite (71), des saillies de support sphériques (41, 42) qui viennent en contact avec la surface interne de l'anneau de ferrite (71).
PCT/JP2022/046109 2021-12-27 2022-12-14 Structure de routage WO2023127505A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-213417 2021-12-27
JP2021213417A JP7491894B2 (ja) 2021-12-27 2021-12-27 配索構造

Publications (1)

Publication Number Publication Date
WO2023127505A1 true WO2023127505A1 (fr) 2023-07-06

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Application Number Title Priority Date Filing Date
PCT/JP2022/046109 WO2023127505A1 (fr) 2021-12-27 2022-12-14 Structure de routage

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JP (1) JP7491894B2 (fr)
WO (1) WO2023127505A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006078255A (ja) * 2004-09-08 2006-03-23 Yazaki Corp 電流センサ
JP2011101519A (ja) * 2009-11-06 2011-05-19 Autonetworks Technologies Ltd 電気接続箱
JP2014062754A (ja) * 2012-09-20 2014-04-10 Fujitsu Component Ltd 電力センサ
JP2023001851A (ja) * 2021-06-21 2023-01-06 矢崎総業株式会社 バスバカバーおよびバスバの配索構造

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006078255A (ja) * 2004-09-08 2006-03-23 Yazaki Corp 電流センサ
JP2011101519A (ja) * 2009-11-06 2011-05-19 Autonetworks Technologies Ltd 電気接続箱
JP2014062754A (ja) * 2012-09-20 2014-04-10 Fujitsu Component Ltd 電力センサ
JP2023001851A (ja) * 2021-06-21 2023-01-06 矢崎総業株式会社 バスバカバーおよびバスバの配索構造

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JP2023097198A (ja) 2023-07-07
JP7491894B2 (ja) 2024-05-28

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