WO2013129224A1 - Couche de protection de faisceau de câbles et faisceau de câbles - Google Patents

Couche de protection de faisceau de câbles et faisceau de câbles Download PDF

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Publication number
WO2013129224A1
WO2013129224A1 PCT/JP2013/054301 JP2013054301W WO2013129224A1 WO 2013129224 A1 WO2013129224 A1 WO 2013129224A1 JP 2013054301 W JP2013054301 W JP 2013054301W WO 2013129224 A1 WO2013129224 A1 WO 2013129224A1
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WO
WIPO (PCT)
Prior art keywords
wire harness
fibers
protective material
colored
nonwoven fabric
Prior art date
Application number
PCT/JP2013/054301
Other languages
English (en)
Japanese (ja)
Inventor
高田　裕
成幸 田中
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 WO2013129224A1 publication Critical patent/WO2013129224A1/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
    • B60R16/0207—Wire harnesses
    • B60R16/0215—Protecting, fastening and routing means therefor
    • 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

Definitions

  • the present invention relates to a wire harness protective material and a wire harness.
  • the wire harness a bundle of wires made up of a plurality of wires is assembled in advance in a form necessary for wiring.
  • the wire harness is formed by forming necessary branches, attaching a connector to the terminal, etc., and winding a wire harness protective material around the outer periphery of the wire bundle.
  • the wire harness protective material is made of a non-woven fabric or other protective material formed into various shapes such as a groove shape or a tube shape, and is formed into a predetermined shape by covering the periphery of the wire bundle Is done.
  • non-woven fabrics made from short fibers are used in a wide variety of fields such as filters, cushion materials, car seat materials, car ceiling materials, and the like.
  • the present applicants have previously proposed a wire harness protective material using a nonwoven fabric (see Patent Document 1).
  • the nonwoven fabric using uncolored uncolored fibers becomes a white nonwoven fabric, and a white wire harness protective material is formed.
  • the white wire harness protective material is used in a portion that is directly irradiated with sunlight or the like, there is a problem that the white wire harness protective material is deteriorated by ultraviolet rays.
  • the present invention is intended to solve the above-described problems of the prior art, and an object of the present invention is to provide a wire harness protective material and a wire harness that have good weather resistance even when used in a portion that is directly irradiated with sunlight.
  • the wire harness protective material of the present invention is a wire harness protective material in which a nonwoven fabric is formed into a predetermined shape, and is summarized in that the nonwoven fabric has colored fibers.
  • the non-woven fabric is a mixture of colorless fibers and colored fibers, and the colored fibers are blended in a proportion of 5% by mass or more.
  • the colored fibers are black fibers colored in black.
  • the colorless fiber is a non-colored fiber and / or a white fiber colored in white.
  • the nonwoven fabric has thermoformability.
  • the gist of the wire harness of the present invention is that the periphery of the wire bundle is covered with the wire harness protective material.
  • the wire harness protective material of the present invention is a wire harness protective material in which a non-woven fabric is molded into a predetermined shape, and the non-woven fabric has colored fibers. Compared to the protective material, it is difficult to transmit light due to the blending of the colored fibers, so that deterioration due to ultraviolet rays can be prevented and weather resistance can be improved.
  • the wire harness of this invention can obtain the wire harness excellent in weather resistance because the circumference
  • FIG. 1 is an external perspective view showing an example of the wire harness of the present invention.
  • FIG. 1 is an external perspective view showing an example of the wire harness of the present invention.
  • the wire harness protective material 2 is formed into a predetermined shape using nonwoven fabrics 1 and 1.
  • the wire bundle 4 is covered with the wire harness protective material 2.
  • the wire harness protective material 2 is formed by thermoforming a non-woven fabric made of polyethylene terephthalate fiber (hereinafter sometimes referred to as PET fiber), and has the function of maintaining the shape of the wire harness 3 and protecting the wire bundle 4. Have.
  • PET fiber polyethylene terephthalate fiber
  • the nonwoven fabric 1 constituting the wire harness protective material 2 is a mixture of colorless fibers and colored fibers.
  • the amount of the colorless fibers in the nonwoven fabric is preferably less than 95% by mass.
  • the colored fiber a fiber colored other than white with a pigment or a dye is used.
  • the amount of the colored fiber in the nonwoven fabric is preferably 5% by mass or more in the fibers constituting the nonwoven fabric. If the amount of the colored fiber is less than 5% by mass, the effect of improving weather resistance may be insufficient. A more preferable amount of the colored fiber is 10% by mass or more. When the amount of the colored fiber is increased, the effect of improving the weather resistance is further improved.
  • black fibers are preferably used as the colored fibers.
  • the colored fiber may be a color other than black.
  • the colored fiber may be composed of only one color fiber, or may be composed of a mixture of a plurality of colored fibers having a different color from the colored fiber.
  • the non-woven fabric blended with black fibers has good weather resistance such as a portion where the black fibers suppress ultraviolet deterioration and are directly irradiated with sunlight.
  • a part around an engine can be cited as a part that requires weather resistance.
  • the wire harness protective material can be suitably used for parts around the engine.
  • Nonwoven fabric 1 having a basis weight of 100 to 2000 g / m 2 and a thickness of 0.5 to 30 mm is used.
  • the fibers constituting the nonwoven fabric are single fibers having a fiber diameter of 1 to 40 denier and a fiber length of 30 to 120 mm.
  • Examples of the fiber shape include a cylindrical type, a hollow type, a side-by-side type, and a core-sheath type. Moreover, you may use the atypical cross-section fiber from which a fiber shape differs.
  • the nonwoven fabric 1 can be produced using the above-mentioned colored fiber and colorless fiber by a needle punch or a spunbond method.
  • the nonwoven fabric 1 preferably has thermoformability.
  • the thermoformability of a nonwoven fabric means that it has thermoplasticity that can be formed into a predetermined shape by heating. When a nonwoven fabric having thermoformability is used, the wire harness protective material can be easily formed into a predetermined shape.
  • thermoplastic resin used for the fibers of the nonwoven fabric 1 examples include polyester resins such as modified polyethylene terephthalate and polylactic acid, polyethylene resins, polypropylene resins, polyamide resins such as 6-nylon and 6,6-nylon, acrylic resins, and triacetate resins. , Polytetrafluoroethylene resin, polyvinyl alcohol resin, polyvinyl chloride and the like.
  • the fiber used for the nonwoven fabric 1 may be a binder fiber whose periphery is covered with a binder layer.
  • the binder layer include a copolymer of polyethylene isophthalate and PET.
  • the wire harness 3 is a wire harness 4 in which a plurality of wires are bundled and covered with a wire harness protective material 2.
  • the wire harness protective material 2 is formed into a predetermined shape using the nonwoven fabric 1 in which the colored fiber and the colorless fiber are mixed.
  • the wire harness 3 for example, a predetermined mold composed of an upper mold and a lower mold which are divided into upper and lower parts is used, and the nonwoven fabric 1 is arranged so as to face each mold and is clamped. The two nonwoven fabrics 1, 1 are heated and molded while sandwiching the wire bundle 4. At the time of molding, a portion protruding outside the wire bundle 4 of the nonwoven fabric 1, 1 is bonded.
  • the wire harness of the present invention is not limited to the above form.
  • the wire harness may be configured by using a single nonwoven fabric and thermoforming the wire bundle 4 around the wire bundle 4 to form the wire harness protective material 2 in a predetermined shape. Good.
  • the wire harness protective material 2 may shape
  • the wire harness 3 can be formed by sandwiching and joining the wire bundle 4 between the divided wire harness protective materials 2.
  • the wire harness of the present invention can be suitably used as an automobile wire harness or the like.
  • Comparative Example 1 A PET nonwoven fabric in which colored PET fibers and colorless PET fibers were blended in the composition shown in Table 1 was used as a test piece for the wire harness protective material. The test piece was subjected to a weather resistance test, and the tensile strength before and after the weather resistance test was measured. Moreover, the test piece before and behind a weather resistance test was observed visually, and discoloration was evaluated. The evaluation results are shown in Table 1. The test method is as follows.
  • the test piece was obtained by cutting each nonwoven fabric into a size of 50 mm ⁇ 200 mm (MD direction).
  • the tensile test was performed according to JIS L1913 and the above test piece was pulled at a pulling speed of 200 mm / min.
  • the weather resistance test is based on Method A defined in JIS K7350-3: Artificial Weathering Cycle No. 100 exposures (1 cycle is 8 hours irradiation + 5 hours irradiation for a total of 12 hours). In the color determination, “ ⁇ ” indicates that no discoloration was observed after the weather resistance test, “ ⁇ ” indicates that the degree of discoloration is small, and “ ⁇ ” indicates that the discoloration is clearly observed.
  • Example 1 As shown in Table 1, discoloration was clearly observed in Comparative Example 1 in which no black PET fiber was blended. On the other hand, Example 1 in which black PET fiber was blended had a small degree of discoloration, and Examples 2 to 5 showed no discoloration. Also, with respect to the tensile strength after the weather resistance test, Examples 2 to 5 had better values than Comparative Example 1.

Landscapes

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

Abstract

L'invention concerne une couche de protection de faisceau de câbles et un faisceau de câbles présentant une résistance aux intempéries même lorsqu'il est utilisé sur un site irradié par des rayons ultraviolets. Un tissu non-tissé (1, 1) à base de mélange de fibres incolores et de fibres noires est utilisé et une couche de protection (2) de faisceau de câbles est formée par moulage du tissu non-tissé (1, 1) dans une forme prédéterminée. Un faisceau de câbles (3) est conçu en recouvrant la périphérie d'un groupe de câbles (4) avec la couche de protection (2) du faisceau de câbles.
PCT/JP2013/054301 2012-02-27 2013-02-21 Couche de protection de faisceau de câbles et faisceau de câbles WO2013129224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-039588 2012-02-27
JP2012039588A JP2013173464A (ja) 2012-02-27 2012-02-27 ワイヤーハーネス保護材及びワイヤーハーネス

Publications (1)

Publication Number Publication Date
WO2013129224A1 true WO2013129224A1 (fr) 2013-09-06

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ID=49082424

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/054301 WO2013129224A1 (fr) 2012-02-27 2013-02-21 Couche de protection de faisceau de câbles et faisceau de câbles

Country Status (2)

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JP (1) JP2013173464A (fr)
WO (1) WO2013129224A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009503211A (ja) * 2005-08-05 2009-01-29 テーザ・アクチエンゲゼルシャフト 片面を感圧接着剤で少なくとも部分的に被覆されている不織布製支持体を有する接着テープの用途
JP3166607U (ja) * 2010-12-28 2011-03-10 帝人ファイバー株式会社 被覆材
JP2011519989A (ja) * 2008-04-30 2011-07-14 テーザ・ソシエタス・ヨーロピア 接着テープ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009503211A (ja) * 2005-08-05 2009-01-29 テーザ・アクチエンゲゼルシャフト 片面を感圧接着剤で少なくとも部分的に被覆されている不織布製支持体を有する接着テープの用途
JP2011519989A (ja) * 2008-04-30 2011-07-14 テーザ・ソシエタス・ヨーロピア 接着テープ
JP3166607U (ja) * 2010-12-28 2011-03-10 帝人ファイバー株式会社 被覆材

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