WO2014148446A1 - Structure de blindage pour fil électrique - Google Patents

Structure de blindage pour fil électrique Download PDF

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Publication number
WO2014148446A1
WO2014148446A1 PCT/JP2014/057197 JP2014057197W WO2014148446A1 WO 2014148446 A1 WO2014148446 A1 WO 2014148446A1 JP 2014057197 W JP2014057197 W JP 2014057197W WO 2014148446 A1 WO2014148446 A1 WO 2014148446A1
Authority
WO
WIPO (PCT)
Prior art keywords
shield
shield material
outer periphery
electric wire
metal fitting
Prior art date
Application number
PCT/JP2014/057197
Other languages
English (en)
Japanese (ja)
Inventor
加藤　元
貴晃 宮島
山田　剛
尭志 野沢
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 WO2014148446A1 publication Critical patent/WO2014148446A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
    • 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
    • B60R16/0207—Wire harnesses
    • 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
    • H02G3/30—Installations of cables or lines on walls, floors or ceilings
    • H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps

Definitions

  • the present invention relates to a shield structure for electric wires, specifically, a shield structure in which a plurality of electric wires are collectively surrounded by one shield material.
  • the electric wires are covered with a shielding material (such as a braid or foil) in order to prevent propagation of noise such as electromagnetic waves generated from the electric components.
  • a shield shell is assembled to the end of the shield material, and noise is grounded by bringing the shield shell into contact with a housing of an electrical component or a body sheet metal panel.
  • the number of man-hours for assembling the shield shell can be reduced (see Patent Document 1). .
  • the present invention has been made based on this, and the problem to be solved is that it is possible to prevent the propagation of noise of a specific frequency and to prevent the damage of the electric wire and the shield material and the generation of abnormal noise.
  • the object is to provide a shield structure for electric wires.
  • a wire shield structure includes a cylindrical shield material that collectively surrounds and shields a plurality of wires wired to a vehicle, and is connected to a cylinder end of the shield material.
  • the earth metal fitting is formed to be movable along the outer periphery of the shield material.
  • a shield structure for an electric wire that can prevent propagation of noise at a specific frequency, and can prevent damage to the electric wire and the shield material and generation of abnormal noise.
  • FIG. 1 is a plan view showing an overall configuration of a wire shield structure according to an embodiment of the present invention.
  • FIG. 2 is a diagram schematically showing a shield circuit formed when the ground metal fitting shown in FIG. 1 is arranged.
  • FIG. 3 is a diagram schematically showing a shield circuit formed when the mounting position of the grounding metal is changed to be different from the arrangement shown in FIG.
  • Such a shield structure is for surrounding and shielding a plurality of electric wires wired to a vehicle with one shield material.
  • Each electric wire has a configuration in which the outer periphery of a conductor that is a core wire is covered with an insulating coating.
  • the shield structure is wired between a plurality of high-voltage electrical components that are bundled and mounted on a vehicle such as an automobile, for example, between an inverter of an electric motor mounted on a hybrid vehicle and a power supply device.
  • the electric wire may have a structure in which two or more layers of conductors and an insulating coating are arranged concentrically.
  • FIG. 1 is a plan view showing an overall configuration of an electric wire shield structure according to an embodiment of the present invention.
  • the shield structure for shielding the two electric wires 1 is shown as an example, the number of electric wires is not specifically limited, Three or more may be sufficient.
  • Each of these electric wires 1 is provided with one connector 2 for sharing each line at both end portions in the extending direction (left and right direction in FIG. 1).
  • the connection terminal 21 of the connector 2 is attached to the conductor which peeled and exposed the insulation coating of the terminal part.
  • the connector 2 includes a housing 22 that accommodates the connection terminal 21.
  • the housing 22 can be accommodated in a state where the connection terminal 21 attached to the terminal portion of the electric wire 1 faces the outside (electrical component side). It has become a structure.
  • the shield structure according to the present embodiment includes a cylindrical shield material 3 that collectively surrounds and shields a plurality of electric wires 1, and cylinder end portions 3a and 3b of the shield material 3 connected to the cylindrical end portions 3a and 3b.
  • a grounding metal fitting 5 for grounding for grounding.
  • the shield material 3 is a conductor formed by forming a braid or a foil into a cylindrical shape, and is arranged so as to surround the outer periphery of the plurality of electric wires 1 between the connectors 2a and 2b.
  • FIG. 1 shows a configuration in which a braided conductor is a shield material 3.
  • the shield material 3 is formed in an integral cylindrical shape, and has the same cross-sectional shape (for example, the same diameter in the case of a cylindrical shape) over the entire length (dimension with respect to the horizontal direction in FIG. 1).
  • the shield material 3 has cylinder end portions 3a and 3b placed on the outer periphery of the shield shell 4, and is crimped and connected to the shield shell 4 by a crimp ring 6 covered by the tube end portions 3a and 3b.
  • the shielding material 3 is good also as a structure which covered the outer periphery with the exterior member (protector).
  • the shield shell 4 includes a cylindrical connection portion 41 that covers the crimping ring 6 and connects the shield material 3, and a shell fixing portion 42 that extends outwardly from the connection portion 41 in a plate shape. Configured.
  • the connecting portion 41 is formed so as to surround the outside of the housing 22 of the connector 2 and is assembled to the housing 22.
  • the shell fixing portion 42 is configured to be fixed (for example, fastened and fixed with bolts) to a housing of an electrical component, a sheet metal panel of a vehicle body, or the like.
  • the shield shell 4 contacts the shell fixing portion 42 with the housing of the electrical component, the sheet metal panel of the vehicle body, and the like, so that the shield material 3 is grounded (grounded) at the cylindrical end portions 3a and 3b through the shell fixing portion 42. Can be made.
  • the ground metal fitting 5 includes a cylindrical metal fitting fastening portion (hereinafter referred to as a fastening portion) 51 that contacts the outer periphery of the shield material 3 and a metal fitting fixing portion (referred to as a fixing portion) that is fixed to a sheet metal panel of the vehicle body. .) 52 is configured.
  • the ground metal fitting 5 can be configured as a conductive metal band or clamp.
  • a band-shaped metal plate having a conductive property is used as the fastening part 51, and a band formed by forming a through hole in which the fastening part 51 is inserted and locked is applied to the fixing part 52 as the ground metal fitting 5. can do.
  • the tightening portion 51 protrudes from one side of the fixing portion 52, and the tightening portion 51 wound around the outer periphery of the shield material 3 is inserted into the through hole of the fixing portion 52 from the other side and pulled out to the one side. And it is sufficient. Then, an engaging claw is provided on the inner surface of the through hole of the fixing portion 52, a serrated engagement groove is formed on the surface of the fastening portion 51, and the engaging claw of the fixing portion 52 is engaged with the fastening portion 51. What is necessary is just to set it as the structure which fastens the earth
  • a metal plate having conductivity is bent to form a tightening portion 51 at the bent portion, and both ends of the metal plate are formed so as to be superposed so as to be a fixed portion 52. It can also be applied as the ground metal fitting 5.
  • the fastening portion 52 is elastically deformed so as to overlap, so that the fastening portion 51 is elastically deformed so as to be reduced, and the fastening portion 51 is brought into contact with the outer periphery of the shield material 3. It can be set as the structure tightened in a state.
  • the fixing portion 52 is formed with a bolt hole 53 for inserting a bolt for fixing the ground metal fitting 5 to a sheet metal panel or the like of the vehicle body. Yes.
  • the tightening portion 51 is wound around the outer periphery of the shield member 3, and the tightening portion 51 is inserted into the through hole of the fixing portion 52.
  • the fastening portion 51 is attached to the shield material 3 with the fixing portion 52 open, and the grounding metal 5 is elastically deformed so that the fixing portion 52 overlaps. Accordingly, the tightening portion 51 may be reduced to a state where the outer periphery of the shield material 3 is tightened.
  • the grounding metal 5 can be fixed to the sheet metal panel or the like with the tightening portion 51 tightening the outer periphery of the shield material 3. .
  • the grounding metal 5 is brought into contact with the sheet metal panel or the like of the vehicle body so that the shield member 3 is grounded (grounded) at the intermediate part (between the shield shell 4a and the shield shell 4b) through the fixed part 52. Can be made.
  • the fastening portion 51 can be expanded by releasing the engagement between the fastening portion 51 and the fixing portion 52 or by opening the fixing portion 52 from the overlapped state. Therefore, in this state, the ground metal fitting 5 can be moved along the outer periphery of the shield material 3. That is, the mounting position of the grounding metal 5 with respect to the shield material 3 can be easily changed. After changing the mounting position, the grounding metal 5 may be fastened and fixed to the sheet metal panel or the like of the vehicle body with bolts in a state where the tightening portion 51 is reduced and the outer periphery of the shield material 3 is tightened.
  • the fixing member 52 is fastened and fixed to the sheet metal panel or the like of the vehicle body with the bolts inserted through the bolt holes 53, so that the ground metal fitting 5 holds the shield material 3 and the plurality of electric wires 1 in a bundled state. It can be fixed to a sheet metal panel. Thereby, even if it is a case where a vehicle vibrates, it can suppress that the bundle
  • FIG. 1 shows, as an example, a configuration in which two ground metal fittings 5 are arranged at substantially equal intervals in the middle part of the shield material 3 (between the shield shell 4a and the shield shell 4b).
  • the number of the earth metal fittings 5 attached to the shield material 3 can be set arbitrarily, and only one may be sufficient and three or more may be sufficient.
  • FIG. 2 schematically shows a shield circuit formed when the ground metal fitting 5 is arranged as shown in FIG.
  • a shield circuit C21 is formed between the shield shell 4a and the ground metal 5a
  • a shield circuit C22 is formed between the ground metal 5a and the ground metal 5b
  • a shield circuit C23 is formed between the shield shell 4b and the ground metal 5b.
  • the ground metal fitting 5 can be moved along the outer periphery of the shield material 3, and the mounting position can be easily changed. Therefore, for example, as shown in FIG. 3, it is possible to position the two ground metal fittings 5 in the vicinity of the shield shell 4 and to increase the distance between the two ground metal fittings 5.
  • a shield circuit C31 is formed between the shield shell 4a and the ground metal 5a
  • a shield circuit C32 is formed between the ground metal 5a and the ground metal 5b
  • a shield circuit C33 is formed between the shield shell 4b and the ground metal 5b.
  • the size of the shield circuit formed by the earth metal fitting 5 and the shield shell 4 can be changed by changing the mounting position of the earth metal fitting 5.
  • the shield circuit C22 is smaller than the shield circuits C21 and C23, and the shield circuit C32 is larger than the shield circuits C31 and C33.
  • the shield circuit C22 is smaller than any of the shield circuits C31, C32, and C33.
  • a cylindrical shield material (3) that collectively surrounds and shields a plurality of electric wires (1) wired to a vehicle;
  • An electric wire shielding structure comprising: an earth fitting (5) attached to an outer periphery of an intermediate portion of the shield material to bundle and hold the shield material and the plurality of electric wires, and to ground the shield material at the intermediate portion.
  • the present invention it is possible to realize a shield structure for an electric wire that can prevent propagation of noise at a specific frequency, and can prevent damage to the electric wire and the shield material and generation of abnormal noise.
  • the present invention is useful in the field of a shield structure in which a plurality of electric wires are collectively surrounded by one shield material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

L'invention concerne une structure de blindage qui comprend : un matériau de blindage cylindrique (3) qui entoure et blinde une pluralité de fils électriques (1), qui sont dirigés vers un véhicule, ensemble; des coques de blindage (4) qui sont connectées à des parties d'extrémité de tube (3a et 3b) du matériau de blindage et qui mettent à la masse le matériau de blindage au niveau des parties d'extrémité de tube; et des attaches de mise à la masse (5) qui sont fixées sur la périphérie externe de la partie intermédiaire du matériau de blindage de façon à former un faisceau et à retenir le matériau de blindage et la pluralité de fils électriques, et à mettre à la masse le matériau de blindage au niveau de la partie intermédiaire.
PCT/JP2014/057197 2013-03-19 2014-03-17 Structure de blindage pour fil électrique WO2014148446A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013057337A JP6180141B2 (ja) 2013-03-19 2013-03-19 電線のシールド構造
JP2013-057337 2013-03-19

Publications (1)

Publication Number Publication Date
WO2014148446A1 true WO2014148446A1 (fr) 2014-09-25

Family

ID=51580125

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/057197 WO2014148446A1 (fr) 2013-03-19 2014-03-17 Structure de blindage pour fil électrique

Country Status (2)

Country Link
JP (1) JP6180141B2 (fr)
WO (1) WO2014148446A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020162173A1 (fr) * 2019-02-07 2020-08-13 株式会社オートネットワーク技術研究所 Élément de blindage
JP2020129651A (ja) * 2019-02-07 2020-08-27 株式会社オートネットワーク技術研究所 シールド部材

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6394524B2 (ja) * 2015-07-10 2018-09-26 株式会社オートネットワーク技術研究所 電磁シールド部材及び電磁シールド部材付配線装置
US10993355B2 (en) * 2016-12-14 2021-04-27 Federal-Mogul Powertrain Llc Ground strap and method of grounding a plurality of electrically conductive members therewith
JP7205078B2 (ja) * 2018-05-24 2023-01-17 株式会社村田製作所 車載用ワイヤハーネス

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6248618U (fr) * 1985-09-13 1987-03-25
JPH02183599A (ja) * 1989-01-10 1990-07-18 Mitsubishi Electric Corp シールドケーブルの取付装置
JPH07161394A (ja) * 1993-12-06 1995-06-23 Sumitomo Wiring Syst Ltd シールド電線のアース構造
JPH07183052A (ja) * 1993-12-22 1995-07-21 Kitagawa Ind Co Ltd 導電性ケーブルバンド
JP2012119346A (ja) * 2010-11-29 2012-06-21 Toyota Motor Corp シールドカバー

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6248618U (fr) * 1985-09-13 1987-03-25
JPH02183599A (ja) * 1989-01-10 1990-07-18 Mitsubishi Electric Corp シールドケーブルの取付装置
JPH07161394A (ja) * 1993-12-06 1995-06-23 Sumitomo Wiring Syst Ltd シールド電線のアース構造
JPH07183052A (ja) * 1993-12-22 1995-07-21 Kitagawa Ind Co Ltd 導電性ケーブルバンド
JP2012119346A (ja) * 2010-11-29 2012-06-21 Toyota Motor Corp シールドカバー

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020162173A1 (fr) * 2019-02-07 2020-08-13 株式会社オートネットワーク技術研究所 Élément de blindage
JP2020129651A (ja) * 2019-02-07 2020-08-27 株式会社オートネットワーク技術研究所 シールド部材
US11464144B2 (en) 2019-02-07 2022-10-04 Autonetworks Technologies, Ltd. Shield member

Also Published As

Publication number Publication date
JP2014183234A (ja) 2014-09-29
JP6180141B2 (ja) 2017-08-16

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