Wire harness
Patent Information
- Application Number
- JP2025027531
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-09-04
AI Technical Summary
【0006】 本開示のワイヤハーネスによれば、電磁シールド性能の低下を抑えることができるという効果を奏する。
Smart Images

Figure 2026141135000001_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to a wire harness.
Background Art
[0002] Conventionally, as a wire harness used in vehicles such as hybrid vehicles and electric vehicles, there is known a wire harness provided with a cylindrical electromagnetic shield member that collectively surrounds the outer circumference of a plurality of electric wires (see, for example, Patent Document 1). The electromagnetic shield member has an electromagnetic shielding function of suppressing radiation of electromagnetic waves from the electric wires to the outside of the wire harness. A braided wire, a metal foil, or the like is used as the electromagnetic shield member.
Prior Art Literature
Patent Literature
[0003]
Patent Document 1
Summary of the Invention
Problem to be Solved by the Invention
[0004] By the way, in the above-mentioned wire harness, it is desired to suppress a decrease in electromagnetic shielding performance. An object of the present disclosure is to provide a wire harness that can suppress a decrease in electromagnetic shielding performance.
Means for Solving the Problem
[0005] The wire harness of the present disclosure comprises a first wire member and a second wire member of a different system from the first wire member, wherein the first wire member comprises a first wire, a cylindrical first electromagnetic shielding member surrounding the outer circumference of the first wire, and a first insulating member covering the outer circumference of the first electromagnetic shielding member, wherein the second wire member comprises a second wire and a cylindrical second electromagnetic shielding member surrounding the outer circumference of the second wire, wherein the first wire member and the second wire member comprises a parallel routing section in which the first wire member and the second wire member are routed in parallel, and an individual routing section in which the first wire member and the second wire member are routed so as to extend in different directions from each other, wherein the first insulating member is formed only on a portion of the length of the first electromagnetic shielding member, and the first insulating member is formed to cover the outer circumference of the first electromagnetic shielding member in the parallel routing section. [Effects of the Invention]
[0006] The wire harness described herein has the effect of suppressing the degradation of electromagnetic shielding performance. [Brief explanation of the drawing]
[0007] [Figure 1] Figure 1 is a schematic diagram showing the wire harness of each embodiment. [Figure 2] Figure 2 is a schematic side view showing the wire harness of the first embodiment. [Figure 3] Figure 3 is a schematic cross-sectional view showing a wire harness according to the first embodiment. [Figure 4] Figure 4 is a schematic cross-sectional view (cross-sectional view along line 4-4 in Figure 2) showing the wire harness of the first embodiment. [Figure 5] Figure 5 is a schematic cross-sectional view (cross-sectional view along line 5-5 in Figure 2) showing the wire harness of the first embodiment. [Figure 6] Figure 6 is a schematic cross-sectional view (cross-sectional view of line 6-6 in Figure 2) showing the wire harness of the first embodiment. [Figure 7] Figure 7 is a schematic side view showing the wire harness of the second embodiment. [Figure 8] Figure 8 is a schematic cross-sectional view (cross-sectional view of line 8-8 in Figure 7) showing the wire harness of the second embodiment. [Modes for carrying out the invention]
[0008] [Description of Embodiments in this Disclosure] First, the embodiments of this disclosure will be listed and described. [1] The wire harness of the present disclosure comprises a first wire member and a second wire member of a different system from the first wire member, wherein the first wire member comprises a first wire, a cylindrical first electromagnetic shielding member surrounding the outer circumference of the first wire, and a first insulating member covering the outer circumference of the first electromagnetic shielding member, wherein the second wire member comprises a second wire and a cylindrical second electromagnetic shielding member surrounding the outer circumference of the second wire, wherein the first wire member and the second wire member comprises a parallel routing section in which the first wire member and the second wire member are routed in parallel, and an individual routing section in which the first wire member and the second wire member are routed so as to extend in different directions from each other, wherein the first insulating member is formed only on a portion of the length of the first electromagnetic shielding member, and the first insulating member is formed to cover the outer circumference of the first electromagnetic shielding member in the parallel routing section.
[0009] This configuration provides a parallel wiring section where the first wire member and the second wire member are wired in parallel. In such a parallel wiring section, the first electromagnetic shielding member and the second electromagnetic shielding member are provided side by side. In this case, if the first electromagnetic shielding member and the second electromagnetic shielding member are provided on the outermost surfaces of the first wire member and the second wire member, respectively, the first electromagnetic shielding member may unintentionally come into contact with the second electromagnetic shielding member of a different system in the parallel wiring section. If the first electromagnetic shielding member is electrically connected to the second electromagnetic shielding member of a different system due to such contact, the impedance in the first and second electromagnetic shielding members may increase, potentially reducing the electromagnetic shielding performance of the wire harness.
[0010] In contrast, with the above configuration, the outer circumference of the first electromagnetic shielding member in the parallel wiring section is covered by the first insulating member. Therefore, even if the first wire member comes into contact with the second wire member in the parallel wiring section, direct contact between the first electromagnetic shielding member and the second electromagnetic shielding member can be effectively suppressed. As a result, the electrical connection between the first electromagnetic shielding member and the second electromagnetic shielding member can be effectively suppressed, thus effectively preventing a decrease in the electromagnetic shielding performance of the wire harness.
[0011] [2] In the above [1], the first wire member and the second wire member in the parallel wiring section are further provided with a cylindrical member, and the first insulating member is formed to cover the outer circumference of the portion of the first electromagnetic shielding member housed in the cylindrical member.
[0012] In this configuration, the first and second wire members are housed together inside a single cylindrical member. Therefore, there is a possibility that the first and second wire members may come into contact with each other inside the cylindrical member. However, in the above configuration, the outer circumference of the portion of the first electromagnetic shielding member housed in the cylindrical member is covered by the first insulating member. Therefore, even if the first wire member comes into contact with the second wire member inside the cylindrical member, direct contact between the first electromagnetic shielding member and the second electromagnetic shielding member can be effectively prevented.
[0013] [3] In the above [2], the cylindrical member further comprises a cylindrical branching member connected to the end of the cylindrical member, the branching member housing the first wire member and the second wire member drawn out from the cylindrical member together, and the branching member may have a branching structure for branching the first wire member and the second wire member to different paths.
[0014] With this configuration, the first wire member and the second wire member can be suitably branched into different paths through a branching member having a branching structure. [4] In the above [3], further comprising: a first exterior member that accommodates the first electric wire member drawn out from the branching member; and a second exterior member that accommodates the second electric wire member drawn out from the branching member, wherein the branching member has a first connection cylindrical portion connected to an end of the cylindrical member, a second connection cylindrical portion connected to an end of the first exterior member, and a third connection cylindrical portion connected to an end of the second exterior member, the first connection cylindrical portion collectively accommodates the first electric wire member and the second electric wire member, the second connection cylindrical portion accommodates only the first electric wire member, the third connection cylindrical portion accommodates only the second electric wire member, and the first insulating member may be formed so as to cover an outer periphery of the first electromagnetic shield member at a portion of the branching member accommodated in at least the first connection cylindrical portion.
[0015] According to this configuration, the branch structure of the branching member is formed by the first connection cylindrical portion, the second connection cylindrical portion, and the third connection cylindrical portion. Then, the first electric wire member and the second electric wire member are collectively accommodated inside the first connection cylindrical portion. For this reason, there is a possibility that the first electric wire member and the second electric wire member come into contact with each other inside the first connection cylindrical portion. However, in the above configuration, the outer periphery of the first electromagnetic shield member at the portion accommodated in the first connection cylindrical portion is covered by the first insulating member. Therefore, even when the first electric wire member contacts the second electric wire member inside the first connection cylindrical portion, direct contact between the first electromagnetic shield member and the second electromagnetic shield member can be suitably suppressed.
[0016] [5] In any one of the above [1] to [4], the first insulating member is a cylindrical insulating tube, and the first electric wire member may include a fixing member that fixes the first insulating member to an outer periphery of the first electromagnetic shield member.
[0017] According to this configuration, the insulating tube covering the outer periphery of the first electromagnetic shield member is fixed to the outer periphery of the first electromagnetic shield member by the fixing member. Therefore, positional displacement of the insulating tube relative to the first electromagnetic shield member in the longitudinal direction of the first electromagnetic shield member can be suppressed.
[0018] [6] In any one of [1] to [5] above, the second electric wire member has a second insulating member that covers an outer circumference of the second electromagnetic shielding member, the second insulating member is formed only on a part of the second electromagnetic shielding member in a length direction thereof, and the second insulating member may be formed so as to cover an outer circumference of the second electromagnetic shielding member at the parallel wiring portion.
[0019] According to this configuration, the outer circumference of the second electromagnetic shielding member at the parallel wiring portion is covered by the second insulating member. Therefore, even when the first electric wire member comes into contact with the second electric wire member at the parallel wiring portion, direct contact between the first electromagnetic shielding member and the second electromagnetic shielding member can be suitably suppressed. This makes it possible to more suitably suppress electrical connection between the first electromagnetic shielding member and the second electromagnetic shielding member, and therefore can more suitably suppress a decrease in electromagnetic shielding performance of the wire harness.
[0020] [7] A wire harness according to the present disclosure includes: a first electric wire member having a first electric wire and a cylindrical first electromagnetic shielding member surrounding an outer circumference of the first electric wire; a second electric wire member having a second electric wire and a cylindrical second electromagnetic shielding member surrounding an outer circumference of the second electric wire, the second electric wire member being of a different system from the first electric wire member; a cylindrical connecting member electrically connected to an end of the first electromagnetic shielding member and an end of the second electromagnetic shielding member, the first electric wire and the second electric wire penetrating through the connecting member; and a third electromagnetic shielding member electrically connected to the connecting member and collectively surrounding the first electric wire and the second electric wire, wherein the first electric wire member and the second electric wire member have a parallel wiring portion where the first electric wire and the second electric wire are wired in parallel, and an individual wiring portion where the first electric wire and the second electric wire are wired so as to extend in directions different from each other, the first electromagnetic shielding member surrounds an outer circumference of the first electric wire at the individual wiring portion, the second electromagnetic shielding member surrounds an outer circumference of the second electric wire at the individual wiring portion, and the third electromagnetic shielding member collectively surrounds the first electric wire and the second electric wire at the parallel wiring portion.
[0021] This configuration provides a parallel wiring section where the first and second wires are wired in parallel. In this parallel wiring section, the first and second wires are collectively surrounded by a single third electromagnetic shielding member. In other words, in the parallel wiring section, the first and second electromagnetic shielding members of different systems are not provided. Therefore, in the parallel wiring section, the first and second electromagnetic shielding members of different systems do not come into contact with each other. This effectively prevents the first and second electromagnetic shielding members from being electrically connected to each other, and effectively prevents a decrease in the electromagnetic shielding performance of the wire harness.
[0022] [8] In the above [7], the third electromagnetic shielding member further comprises a cylindrical member surrounding the outer circumference of the third electromagnetic shielding member and a cylindrical branching member connected to the end of the cylindrical member, wherein the branching member houses the connecting member inside, and the branching member has a branching structure for branching the first wire member and the second wire member to different paths.
[0023] In this configuration, the outer circumference of the third electromagnetic shielding member provided in the parallel wiring section is surrounded by a cylindrical member. Furthermore, a connecting member is housed inside a branching member connected to the end of the cylindrical member. Through the branching member having a branching structure, the first and second wire members can be suitably branched into different paths.
[0024] [Details of the embodiments of this disclosure] Specific examples of the wire harnesses of this disclosure will be described below with reference to the drawings. In each drawing, some parts of the configuration may be exaggerated or simplified for the sake of clarity. Also, in each drawing, the arrangement of each component is schematically shown to make the features easier to understand, so the arrangement of each component may differ from drawing to drawing. In addition, the dimensional ratios of each part may differ from drawing to drawing. As used in this specification, "cylindrical" does not only mean that a circumferential wall is formed continuously around the entire circumference, but also includes cylindrical shapes formed by combining multiple parts, and shapes that have notches or other cutouts in the circumferential direction, such as a C shape. The shape of "cylindrical" includes, but is not limited to, circular, elliptical, and polygonal shapes with pointed or rounded corners. In this specification, "facing" means that faces or components are in a position facing each other. In this specification, "facing" includes not only cases where they are completely facing each other, but also cases where they are partially facing each other. Furthermore, the term "opposing" in this specification includes both cases where a component other than the two parts is interposed between the two parts, and cases where nothing is interposed between the two parts. Also, terms such as "first," "second," and "third" in this specification are used merely to distinguish objects and do not rank them. The present invention is not limited to these examples and is shown in the claims, and all modifications within the meaning and scope equivalent to the claims are intended.
[0025] (First Embodiment) The following describes a first embodiment of the wire harness. (Overall configuration of wire harness 10) The wire harness 10 shown in Figure 1 electrically connects two or more electrical devices M1, M2, M3, and M4. The wire harness 10 is installed in a vehicle V, such as a hybrid or electric vehicle. The wire harness 10 has a first wire member 20 that electrically connects electrical devices M1 and M2, and a second wire member 30 that electrically connects electrical devices M3 and M4. Here, the first wire member 20 and the second wire member 30 are wire members of different systems. That is, the first wire member 20 and the second wire member 30 constitute different circuits. Examples of electrical devices M1, M2, M3, and M4 include inverters, high-voltage batteries, motors for wheel drive, and relay boxes.
[0026] The wire harness 10 includes a cylindrical member 40 through which the first wire member 20 and the second wire member 30 pass, and cylindrical branch members 50 provided at both ends of the cylindrical member 40. The wire harness 10 also includes a cylindrical outer casing member 60 that surrounds the first wire member 20 drawn out from the branch member 50, and a cylindrical outer casing member 70 that surrounds the second wire member 30 drawn out from the branch member 50. The cylindrical member 40, the branch member 50, and the outer casing members 60 and 70 function as protective members that protect the first wire member 20 and the second wire member 30 housed inside from flying objects and water droplets.
[0027] The first wire member 20 and the second wire member 30 have a parallel routing section in which the first wire member 20 and the second wire member 30 are routed in parallel, and an individual routing section in which the first wire member 20 and the second wire member 30 are routed in different directions. In the parallel routing section, the first wire member 20 and the second wire member 30 are provided side by side. In the parallel routing section, multiple systems (two systems in this embodiment), namely the first wire member 20 and the second wire member 30, are housed together inside the cylindrical member 40. In other words, the cylindrical member 40 houses the first wire member 20 and the second wire member 30 in the parallel routing section as a whole. Here, in this specification, "housing together" means, for example, that the first wire member 20 and the second wire member 30 are housed together in a single space without a wall being provided between them. The first wire member 20 and the second wire member 30, drawn out from the cylindrical member 40, are housed together inside the branching member 50 and are branched into different paths through the branching member 50. The first wire member 20 and the second wire member 30, which have branched into different paths, are then housed inside the outer casing member 60 and outer casing member 70, respectively. In other words, in the individual wiring sections, the first wire member 20 is housed alone inside the outer casing member 60, and the second wire member 30 is housed alone inside the outer casing member 70.
[0028] (Configuration of the first wire component 20) The first wire member 20 is routed from electrical equipment M1 to electrical equipment M2, for example, with a portion of its length passing under the floor of the vehicle V. One end of the first wire member 20 is connected to electrical equipment M1, and the other end of the first wire member 20 is connected to electrical equipment M2.
[0029] As shown in Figures 2 and 3, the first wire member 20 includes one or more first wires 21, a cylindrical first braided member 22 that covers the outer circumference of the first wires 21, and a first insulating member 23 that covers the outer circumference of the first braided member 22. In this embodiment, the first wire member 20 has two first wires 21. Note that in Figures 2 and 3, the outer covering members 60, 70, the first wire member 20, and the second wire member 30 are shown in a state where they are broken in the middle.
[0030] (Configuration of the first electric wire 21) As shown in Figure 4, each first electric wire 21 is a covered electric wire having a core wire 21A made of a conductor and an insulating coating 21B covering the outer circumference of the core wire 21A. Each first electric wire 21 is, for example, a high-voltage electric wire capable of handling high voltage and high current. Each first electric wire 21 is, for example, a non-shielded electric wire that does not have an electromagnetic shielding structure of its own.
[0031] As the core wire 21A, for example, a stranded wire made by twisting together multiple metal strands or a single-core wire consisting of a single conductor can be used. As the material of the core wire 21A, for example, a metal material such as copper-based or aluminum-based materials can be used.
[0032] The insulating coating 21B covers the entire circumference of the core wire 21A. The insulating coating 21B is made of, for example, an insulating resin material. The cross-sectional shape obtained by cutting each first electric wire 21 with a plane perpendicular to the longitudinal direction of each first electric wire 21, that is, the cross-sectional shape of each first electric wire 21, can be formed into any shape. In this embodiment, the cross-sectional shape of each first electric wire 21 is formed in a circular shape.
[0033] (Configuration of the first braided member 22) The first braided member 22 is formed in a cylindrical shape that encloses the outer circumference of multiple first electric wires 21 together. The first braided member 22 encloses the outer circumference of multiple first electric wires 21 together. In other words, the first braided member 22 is a multi-core shielded braided wire. The first braided member 22 is formed to enclose the outer circumference of the first electric wires 21 over substantially the entire length of the first electric wires 21.
[0034] As the first braided member 22, for example, a braided wire made of multiple metal strands or a braided wire made by combining metal strands and resin strands can be used. As the material for the metal strands, for example, metal materials such as copper or aluminum can be used. In each figure, the arrangement of the metal strands of the first braided member 22 is schematically illustrated. Furthermore, each end of the first braided member 22 is directly or indirectly connected to an earth member (not shown), such as a vehicle body or a metal case. Such a first braided member 22 functions as a first electromagnetic shielding member.
[0035] (Configuration of the first insulating member 23) As shown in Figure 5, the first insulating member 23 is formed to cover the outer circumference of the first braided member 22. For example, the first insulating member 23 is formed to cover the entire outer circumference of the first braided member 22 in the circumferential direction. The inner surface of the first insulating member 23 may or may not be in close contact with the outer surface of the first braided member 22.
[0036] As shown in Figure 2, the first insulating member 23 is formed only on a portion of the length of the first braided member 22. In other words, the first insulating member 23 is not formed along the entire length of the first braided member 22. The first insulating member 23 is formed to cover the outer circumference of the first braided member 22 in the parallel routing section. That is, the first insulating member 23 is formed to cover the outer circumference of the portion of the first braided member 22 in which the second wire member 30 is routed in parallel. More specifically, the first insulating member 23 is formed to cover the outer circumference of the portion of the first braided member 22 housed in the cylindrical member 40. The first insulating member 23 is formed to cover the entire outer circumference of the portion of the first braided member 22 housed in the cylindrical member 40. The first insulating member 23 is formed to cover the outer circumference of the portion of the first braided member 22 housed in the branching member 50. As shown in Figure 3, the first insulating member 23 is formed, for example, inside the branch member 50, to cover a portion of the outer circumference of the first braided member 22 in the longitudinal direction. The first insulating member 23 is not formed on the outer circumference of the portion of the first braided member 22 that is housed in the outer casing member 60. In other words, the first insulating member 23 is formed to expose the outer circumference of the portion of the first braided member 22 that is housed in the outer casing member 60.
[0037] As the first insulating member 23, for example, an insulating tube can be used. The insulating tube is made of, for example, an insulating resin material. As the insulating tube, for example, a heat-shrinkable tube or a non-shrinkable tube can be used. In this embodiment, the first insulating member 23 is a non-shrinkable tube. As the material for the non-shrinkable tube, for example, a synthetic resin mainly composed of polyolefin resin or polyvinyl chloride resin can be used. In this embodiment, the first braided member 22, which surrounds the outer circumference of the two first electric wires 21, is passed through the inside of the non-shrinkable tube to form the first insulating member 23 that covers the outer circumference of the first braided member 22.
[0038] In this embodiment, the first insulating member 23 is fixed to the outer circumference of the first braided member 22 by a fixing member 24. This prevents the first insulating member 23 from shifting relative to the first braided member 22 in the longitudinal direction of the first braided member 22. As the fixing member 24, for example, a tape member, a cable tie, or a crimping band can be used. In this embodiment, the fixing member 24 is a tape member. The fixing member 24 is formed to fix the longitudinal end of the first insulating member 23 to the outer circumference of the first braided member 22. The fixing member 24 is, for example, wound over the outer circumference of the longitudinal end of the first insulating member 23 and the outer circumference of the first braided member 22 exposed from the first insulating member 23. The fixing member 24 is, for example, wound continuously over the range from the outer circumference of the first insulating member 23 to the outer circumference of the first braided member 22. The fixing member 24 has, for example, an overlap winding structure.
[0039] Here, the overlap winding structure is a structure in which tape members are wound spirally so that predetermined portions of the tape members overlap in the width direction. An example of an overlap winding structure is a half-wrap winding, in which tape members are wound spirally so that approximately half of the tape members overlap in the width direction.
[0040] (Configuration of the second wire component 30) As shown in Figure 1, the second wire member 30 is routed from electrical equipment M3 to electrical equipment M4, for example, with a portion of its length passing under the floor of the vehicle V. One end of the second wire member 30 is connected to electrical equipment M3, and the other end of the second wire member 30 is connected to electrical equipment M4.
[0041] As shown in Figures 2 and 3, the second wire member 30 includes one or more second wires 31, a cylindrical second braided member 32 that covers the outer circumference of the second wires 31, and a second insulating member 33 that covers the outer circumference of the second braided member 32. In this embodiment, the second wire member 30 has three second wires 31.
[0042] (Configuration of the second electric wire 31) As shown in Figure 6, each second wire 31 is a covered wire having a core wire 31A made of a conductor and an insulating coating 31B covering the outer circumference of the core wire 31A. Each second wire 31 is, for example, a high-voltage wire capable of handling high voltage and high current. Each second wire 31 is, for example, an unshielded wire.
[0043] For the core wire 31A, for example, stranded wire or single-core wire can be used. For the material of the core wire 31A, for example, metal materials such as copper-based or aluminum-based materials can be used. The insulating coating 31B, for example, covers the entire circumference of the outer periphery of the core wire 31A. The insulating coating 31B is made of, for example, an insulating resin material.
[0044] The cross-sectional shape of each second wire 31 can be formed into any shape. In this embodiment, the cross-sectional shape of each second wire 31 is formed into a circular shape. (Configuration of the second braided member 32) The second braiding member 32 is formed in a cylindrical shape that encloses the outer circumference of multiple second electric wires 31 in one piece. In other words, the second braiding member 32 is a multi-core shielded braided wire. The second braiding member 32 is formed to enclose the outer circumference of the second electric wires 31 over substantially the entire length of the second electric wires 31.
[0045] As the second braided member 32, for example, a braided wire made of multiple metal strands or a braided wire made by combining metal strands and resin strands can be used. As the material for the metal strands, for example, metal materials such as copper-based or aluminum-based materials can be used. In each figure, the arrangement of the metal strands of the second braided member 32 is schematically illustrated. Furthermore, each end of the second braided member 32 is directly or indirectly connected to an earth member (not shown), such as a vehicle body or a metal case. Such a second braided member 32 functions as a second electromagnetic shielding member.
[0046] (Configuration of the second insulating member 33) As shown in Figure 5, the second insulating member 33 is formed to cover the outer circumference of the second braided member 32. The second insulating member 33 is formed to cover the outer circumference of the second braided member 32 over its entire circumference. The inner surface of the second insulating member 33 may or may not be in close contact with the outer surface of the second braided member 32.
[0047] As shown in Figure 2, the second insulating member 33 is formed only on a portion of the second braided member 32 in the longitudinal direction. In other words, the second insulating member 33 is not formed along the entire length of the second braided member 32. The second insulating member 33 is formed to cover the outer circumference of the second braided member 32 in the parallel routing section. That is, the second insulating member 33 is formed to cover the outer circumference of the portion of the second braided member 32 in which the first electric wire members 20 are routed in parallel. More specifically, the second insulating member 33 is formed to cover the outer circumference of the portion of the second braided member 32 housed in the cylindrical member 40. The second insulating member 33 is formed to cover the entire outer circumference of the portion of the second braided member 32 housed in the cylindrical member 40. The second insulating member 33 is formed to cover the outer circumference of the portion of the second braided member 32 housed in the branching member 50. As shown in Figure 3, the second insulating member 33 is formed, for example, inside the branch member 50, to cover a portion of the outer circumference of the second braided member 32 in the longitudinal direction. The second insulating member 33 is not formed on the outer circumference of the portion of the second braided member 32 that is housed in the outer casing member 70. In other words, the second insulating member 33 is formed to expose the outer circumference of the portion of the second braided member 32 that is housed in the outer casing member 70.
[0048] As the second insulating member 33, for example, an insulating tube can be used. In this embodiment, the second insulating member 33 is a non-shrinkable tube. In this embodiment, the second braided member 33 surrounding the outer circumference of the second braided member 32 can be formed by passing the second braided member 32, which surrounds the outer circumference of the three second electric wires 31, through the inside of the non-shrinkable tube.
[0049] In this embodiment, the second insulating member 33 is fixed to the outer circumference of the second braided member 32 by a fixing member 34. This prevents the second insulating member 33 from shifting relative to the second braided member 32 in the longitudinal direction of the second braided member 32. As the fixing member 34, for example, a tape member, a cable tie, or a crimping band can be used. In this embodiment, the fixing member 34 is a tape member. The fixing member 34 is formed to fix the longitudinal end of the second insulating member 33 to the outer circumference of the second braided member 32. The fixing member 34 is, for example, wound over the outer circumference of the longitudinal end of the second insulating member 33 and the outer circumference of the second braided member 32 exposed from the second insulating member 33. The fixing member 34 is, for example, wound continuously over the range from the outer circumference of the second insulating member 33 to the outer circumference of the second braided member 32. The fixing member 34 has, for example, an overlap winding structure.
[0050] (Structure of the cylindrical member 40) As shown in Figure 2, the cylindrical member 40 is provided, for example, in the middle of the length of the wire harness 10. The cylindrical member 40 is provided between two branch members 50. The cylindrical member 40 is formed in a long cylindrical shape. The cylindrical member 40 in this embodiment is formed in a cylindrical shape. As the cylindrical member 40, for example, a synthetic resin pipe, a synthetic resin protector, or a synthetic resin corrugated tube can be used. The cylindrical member 40 in this embodiment is a corrugated tube having a bellows structure in which the diameter alternates between large and small in the axial direction of the cylindrical member 40. The cylindrical member 40, being a corrugated tube, is flexible due to its bellows structure and can be easily bent. As the material for the cylindrical member 40, for example, synthetic resins such as polyolefin, polyamide, polyester, and ABS resin can be used.
[0051] The cylindrical member 40 surrounds the outer circumference of the first wire member 20 and the second wire member 30, which are located between the two branch members 50. The cylindrical member 40 houses the first wire member 20 and the second wire member 30 together in the parallel wiring section. In other words, the single internal space of the cylindrical member 40 houses multiple parallel wire members, namely the first wire member 20 and the second wire member 30. Inside the cylindrical member 40, the outer circumference of the first braided member 22 of the first wire member 20 is covered by the first insulating member 23, and the outer circumference of the second braided member 32 of the second wire member 30 is covered by the second insulating member 33. In other words, as shown in Figure 5, the cylindrical member 40 surrounds the outer circumference of the first insulating member 23 around its entire circumference, and also surrounds the outer circumference of the second insulating member 33 around its entire circumference.
[0052] (Composition of exterior components 60 and 70) As shown in Figure 1, each exterior member 60, 70 is provided, for example, at both ends in the longitudinal direction of the wire harness 10. Each exterior member 60, 70 is a long cylindrical shape. In this embodiment, each exterior member 60, 70 is formed in a cylindrical shape.
[0053] As shown in Figure 3, the outer covering member 60 houses the first wire member 20 at the individual wiring section. The outer covering member 60 houses only the first wire member 20 of the two wire members 30. At this time, inside the outer covering member 60, the outer circumferential surface of the first braided member 22 of the first wire member 20 is exposed from the first insulating member 23. As shown in Figure 4, the outer covering member 60 surrounds the outer circumferential surface of the first braided member 22.
[0054] As shown in Figure 3, the outer covering member 70 houses the second wire member 30 at the individual wiring section. The outer covering member 70 houses only the second wire member 30 of the first wire member 20 and the second wire member 30. At this time, inside the outer covering member 70, the outer circumferential surface of the second braid member 32 of the second wire member 30 is exposed from the second insulating member 33. As shown in Figure 6, the outer covering member 70 surrounds the outer circumferential surface of the second braid member 32 over its entire circumference.
[0055] As shown in Figure 3, each exterior component 60, 70 can be, for example, a synthetic resin pipe, a synthetic resin protector, a synthetic resin corrugated tube, or a rubber waterproof cover. In this embodiment, each exterior component 60, 70 is a corrugated tube.
[0056] (Configuration of branch member 50) The branching member 50 is cylindrical in shape overall. The branching member 50 is provided between the cylindrical member 40 and the outer covering members 60 and 70. Each branching member 50 surrounds the outer circumference of the first wire member 20 and the second wire member 30, which are provided between the cylindrical member 40 and the outer covering members 60 and 70. The branching member 50 surrounds the outer circumference of the first wire member 20 and the second wire member 30 around their entire circumference. As the branching member 50, a synthetic resin pipe, a synthetic resin protector, a synthetic resin corrugated tube, or a rubber waterproof cover can be used. In this embodiment, the branching member 50 is a rubber waterproof cover.
[0057] The branching member 50 has a branching structure for branching the first wire member 20 and the second wire member 30 into different paths. The branching member 50 has, for example, a first connecting cylindrical portion 51 connected to the outer circumference of a cylindrical member 40, a second connecting cylindrical portion 52 connected to the outer circumference of an outer covering member 60, and a third connecting cylindrical portion 53 connected to the outer circumference of an outer covering member 70. The second connecting cylindrical portion 52 is formed to extend from the first connecting cylindrical portion 51 toward the left in the figure. The third connecting cylindrical portion 53 is formed to extend in a direction different from the direction in which the second connecting cylindrical portion 52 extends from the first connecting cylindrical portion 51 (in this case, toward the bottom in the figure). The branching structure is formed by these first connecting cylindrical portion 51, second connecting cylindrical portion 52, and third connecting cylindrical portion 53. The branching member 50 is a single component in which the first connecting cylindrical portion 51, second connecting cylindrical portion 52, and third connecting cylindrical portion 53 are continuously and integrally formed.
[0058] The first connecting cylindrical portion 51 is fitted onto the outer circumference of the cylindrical member 40. In this embodiment, the first connecting cylindrical portion 51 is formed in a cylindrical shape. One or more (in this case, one) lips 51A are formed on the inner circumferential surface of the first connecting cylindrical portion 51, for example, to engage with the cylindrical member 40, which is a corrugated tube. The lips 51A are formed such that, for example, when the first connecting cylindrical portion 51 is fitted onto the outer circumference of the cylindrical member 40, they fit into an annular recess of the cylindrical member 40.
[0059] The first connecting cylinder portion 51 houses the first wire member 20 and the second wire member 30 together in the parallel wiring section. That is, the single internal space of the first connecting cylinder portion 51 houses multiple systems of wire members wired in parallel, namely the first wire member 20 and the second wire member 30 together. At this time, inside the first connecting cylinder portion 51, the outer circumference of the first braided member 22 is covered by the first insulating member 23, and the outer circumference of the second braided member 32 is covered by the second insulating member 33. In other words, the first connecting cylinder portion 51 surrounds the outer circumference of the first insulating member 23 over its entire circumference, and also surrounds the outer circumference of the second insulating member 33 over its entire circumference.
[0060] A connecting member 55 is provided on the outer circumferential surface of the first connecting cylindrical portion 51. The connecting member 55 can be, for example, a resin or metal cable tie, a crimping ring, or a tape member. The first connecting cylindrical portion 51 is fixed to the outer circumference of the cylindrical member 40 by being tightened from the outer circumferential side by the connecting member 55. The first connecting cylindrical portion 51 is tightened from the outer circumferential side by the connecting member 55 until it is in a liquid-tight contact with the cylindrical member 40.
[0061] The second connecting cylindrical portion 52 is fitted onto the outer circumference of the exterior member 60. In this embodiment, the second connecting cylindrical portion 52 is formed in a cylindrical shape. One or more (in this case, one) lips 52A are formed on the inner circumferential surface of the second connecting cylindrical portion 52, for example, to engage with the exterior member 60, which is a corrugated tube. The lips 52A are formed such that, for example, when the second connecting cylindrical portion 52 is fitted onto the outer circumference of the exterior member 60, they fit into an annular recess of the exterior member 60.
[0062] The second connecting cylinder portion 52 houses the first wire member 20 at the individual wiring section. The second connecting cylinder portion 52 houses only the first wire member 20 among the first wire member 20 and the second wire member 30. Inside the second connecting cylinder portion 52, a portion of the outer circumference of the first braided member 22 in the longitudinal direction is covered by the first insulating member 23, while the outer circumference of the remaining portion of the first braided member 22 is exposed from the first insulating member 23.
[0063] A connecting member 56 is provided on the outer circumferential surface of the second connecting cylinder portion 52. The connecting member 56 can be, for example, a resin or metal cable tie, a crimping ring, or a tape member. The second connecting cylinder portion 52 is fixed to the outer circumferential surface of the exterior member 60 by being tightened from the outer circumferential side by the connecting member 56. The second connecting cylinder portion 52 is tightened from the outer circumferential side by the connecting member 56 until it is in a liquid-tight contact with the exterior member 60.
[0064] The third connecting cylindrical portion 53 is fitted onto the outer circumference of the exterior member 70. In this embodiment, the third connecting cylindrical portion 53 is formed in a cylindrical shape. One or more (in this case, one) lips 53A are formed on the inner circumferential surface of the third connecting cylindrical portion 53, for example, to engage with the exterior member 70, which is a corrugated tube. The lips 53A are formed such that, for example, when the third connecting cylindrical portion 53 is fitted onto the outer circumference of the exterior member 70, they fit into an annular recess of the exterior member 70.
[0065] The third connecting cylinder portion 53 houses the second wire member 30 at the individual wiring section. The third connecting cylinder portion 53 houses only the second wire member 30 of the first wire member 20 and the second wire member 30 on its own. Inside the third connecting cylinder portion 53, a portion of the outer circumference of the second braided member 32 in the longitudinal direction is covered by the second insulating member 33, while the outer circumference of the remaining portion of the second braided member 32 is exposed from the second insulating member 33.
[0066] A connecting member 57 is provided on the outer circumferential surface of the third connecting cylinder portion 53. The connecting member 57 can be, for example, a resin or metal cable tie, a crimping ring, or a tape member. The third connecting cylinder portion 53 is fixed to the outer circumferential surface of the exterior member 70 by being tightened from the outer circumferential side by the connecting member 57. The third connecting cylinder portion 53 is tightened from the outer circumferential side by the connecting member 57 until it is in a liquid-tight contact with the exterior member 70.
[0067] (Effects of the first embodiment) Next, the effects of the first embodiment will be explained. (1-1) The wire harness 10 is provided with a parallel wiring section in which the first wire member 20 and the second wire member 30 are wired in parallel. In such a parallel wiring section, the first braided member 22 and the second braided member 32 are provided side by side. In this case, if the first braided member 22 and the second braided member 32 are provided on the outermost surfaces of the first wire member 20 and the second wire member 30, respectively, the first braided member 22 may unintentionally come into contact with the second braided member 32 of a different system in the parallel wiring section. If the first braided member 22 is electrically connected to the second braided member 32 of a different system due to such contact, the impedance in the first braided member 22 and the second braided member 32 may increase, and the electromagnetic shielding performance of the wire harness 10 may decrease.
[0068] In contrast, in the wire harness 10 of this embodiment, the outer circumference of the first braided member 22 in the parallel wiring section is covered by the first insulating member 23. Therefore, even if the first electric wire member 20 comes into contact with the second electric wire member 30 in the parallel wiring section, it is possible to effectively prevent the first braided member 22 from coming into direct contact with the second braided member 32. As a result, it is possible to effectively prevent the first braided member 22 and the second braided member 32 from being electrically connected to each other, and thus effectively prevent a decrease in the electromagnetic shielding performance of the wire harness 10.
[0069] (1-2) The first insulating member 23 is formed only on a portion of the length of the first braided member 22. Therefore, the material cost of the first insulating member 23 can be reduced compared to the case where the first insulating member 23 is formed along the entire length of the first braided member 22.
[0070] (1-3) The first wire member 20 and the second wire member 30 are housed together inside a single cylindrical member 40. Therefore, there is a possibility that the first wire member 20 and the second wire member 30 may come into contact with each other inside the cylindrical member 40. However, in the wire harness 10 of this embodiment, the outer circumference of the first braided member 22 in the portion housed in the cylindrical member 40 is covered by the first insulating member 23. Therefore, even if the first wire member 20 comes into contact with the second wire member 30 inside the cylindrical member 40, it is possible to effectively prevent the first braided member 22 from coming into direct contact with the second braided member 32.
[0071] (1-4) In the branching member 50, a branching structure is formed by the first connecting cylinder portion 51, the second connecting cylinder portion 52, and the third connecting cylinder portion 53. The first wire member 20 and the second wire member 30 are housed together inside the first connecting cylinder portion 51. Therefore, there is a possibility that the first wire member 20 and the second wire member 30 may come into contact with each other inside the first connecting cylinder portion 51. However, in the wire harness 10 of this embodiment, the outer circumference of the first braided member 22 in the portion housed in the first connecting cylinder portion 51 is covered by the first insulating member 23. Therefore, even if the first wire member 20 comes into contact with the second wire member 30 inside the first connecting cylinder portion 51, it is possible to effectively prevent the first braided member 22 from coming into direct contact with the second braided member 32.
[0072] (1-5) The first insulating member 23, which is an insulating tube covering the outer circumference of the first braided member 22, is fixed to the outer circumference of the first braided member 22 by the fixing member 24. Therefore, it is possible to suppress displacement of the first insulating member 23 relative to the first braided member 22 in the longitudinal direction of the first braided member 22.
[0073] (1-6) The outer circumference of the second braided member 32 in the parallel wiring section is covered by the second insulating member 33. Therefore, even if the first wire member 20 comes into contact with the second wire member 30 in the parallel wiring section, direct contact between the first braided member 22 and the second braided member 32 can be suitably suppressed. As a result, the electrical connection between the first braided member 22 and the second braided member 32 can be more suitably suppressed, and thus the reduction in electromagnetic shielding performance of the wire harness 10 can be more suitably suppressed.
[0074] (Second Embodiment) The following describes a second embodiment of the wire harness. The following description will focus on the differences from the first embodiment. Note that in some cases, the same reference numerals are used for identical or corresponding components as in the first embodiment, and the description of those components may be omitted entirely.
[0075] (Overall configuration of wire harness 10A) The wire harness 10A shown in Figure 7 has a first wire member 20 having a first wire 21 and a second wire member 30 having a second wire 31. The wire harness 10A also has a cylindrical member 40, a cylindrical branching member 50, cylindrical outer casing members 60 and 70, a cylindrical connecting member 80 and a cylindrical braided member 90.
[0076] The first wire member 20 and the second wire member 30 have a parallel wiring section in which the first wire 21 and the second wire 31 are wired in parallel, and an individual wiring section in which the first wire 21 and the second wire 31 are wired in different directions. In the parallel wiring section, the first wire 21 and the second wire 31 are provided side by side. In the parallel wiring section, multiple wire systems (two systems in this embodiment), namely the first wire 21 and the second wire 31, are housed together inside the cylindrical member 40.
[0077] (Configuration of the first wire component 20) The first wire member 20 of this embodiment has a plurality of first braid members 22. The plurality of first braid members 22 are provided only on a portion of the length of the first wire 21. Each first braid member 22 is formed to surround the outer circumference of the first wire 21 at an individual routing section. Each first braid member 22 surrounds the outer circumference of the first wire 21 drawn out from each connecting member 80.
[0078] (Configuration of the second wire component 30) The second wire member 30 of this embodiment has a plurality of second braid members 32. The plurality of second braid members 32 are provided only on a portion of the second wire 31 in the longitudinal direction. Each second braid member 32 is formed to surround the outer circumference of the second wire 31 at an individual routing section. Each second braid member 32 surrounds the outer circumference of the second wire 31 drawn out from the connecting member 80.
[0079] (Configuration of connecting member 80) The connecting member 80 is made of metal. The connecting member 80 is housed, for example, inside the branching member 50.
[0080] As shown in Figure 8, the connecting member 80 is formed in a cylindrical shape overall. The connecting member 80 in this embodiment is formed in a cylindrical shape. Multiple (in this case, two) first wires 21 from the first wire member 20 and multiple (in this case, three) second wires 31 from the second wire member 30 pass through the connecting member 80. As shown in Figure 7, the first braiding member 22 and the second braiding member 32 do not pass through the connecting member 80. That is, multiple first wires 21 exposed from the first braiding member 22 and multiple second wires 31 exposed from the second braiding member 32 pass through the connecting member 80. In other words, the connecting member 80 houses multiple first wires 21 exposed from the first braiding member 22 and multiple second wires 31 exposed from the second braiding member 32 together.
[0081] The outer surface of the connecting member 80 is connected to the end of the first braided member 22 and the end of the second braided member 32. More specifically, a first connecting portion 22A extends from the longitudinal end of the first braided member 22 and connects to the outer circumferential surface of the connecting member 80. The first connecting portion 22A is formed to bundle the metal wires constituting the first braided member 22 to a portion of the circumferential direction of the first braided member 22. In areas of the circumferential direction of the first wire member 20 where the first connecting portion 22A is not present, the first wire 21 is exposed from the first braided member 22. Furthermore, a second connecting portion 32A extends from the longitudinal end of the second braided member 32 and connects to the outer circumferential surface of the connecting member 80. The second connecting portion 32A is formed to bundle the metal wires constituting the second braided member 32 to a portion of the circumferential direction of the second braided member 32. In areas of the circumferential direction of the second wire member 30 where the second connecting portion 32A is not present, the second wire 31 is exposed from the second braided member 32.
[0082] The first connecting portion 22A and the second connecting portion 32A are connected to the outer circumferential surface of the connecting member 80 by a connecting member 81. The connecting member 81 can be, for example, a resin or metal cable tie or crimping ring. The connecting member 81 is fitted to the outside of the connecting member 80 in such a manner that it sandwiches the first connecting portion 22A and the second connecting portion 32A between itself and the outer circumferential surface of the connecting member 80. The first connecting portion 22A and the second connecting portion 32A are firmly fixed to the outer circumferential surface of the connecting member 80 by being tightened from the outer circumferential side by the connecting member 81. As a result, the first connecting portion 22A and the second connecting portion 32A are mechanically and electrically connected to the outer circumferential surface of the connecting member 80.
[0083] The first connecting portion 22A and the second connecting portion 32A are, for example, located at positions separated from each other in the circumferential direction of the connecting member 80 when connected to the connecting member 80. Each of the first connecting portion 22A and the second connecting portion 32A is connected to only a portion of the circumferential direction of the outer surface of the connecting member 80. That is, each of the first connecting portion 22A and the second connecting portion 32A is partially connected to the outer surface of the connecting member 80 in the circumferential direction.
[0084] The connecting member 80 is electrically connected to a grounding member (not shown) through the first braided member 22 and the second braided member 32. Such a connecting member 80 also functions as an electromagnetic shielding member.
[0085] (Structure of the braided member 90) The braided member 90 is formed to collectively surround the outer circumference of the first wire 21 and the second wire 31 in the parallel wiring section. The braided member 90 is provided between two connecting members 80. The braided member 90 is provided to span between the end of one connecting member 80 and the end of the other connecting member 80. The braided member 90 collectively surrounds the outer circumference of the first wire 21 and the second wire 31 provided between the two connecting members 80. At this time, the multiple first wires 21 provided between the two connecting members 80 are not surrounded by the first braided member 22. Also, the multiple second wires 31 provided between the two connecting members 80 are not surrounded by the second braided member 32. As shown in Figure 8, the braided member 90 encloses the outer circumferences of multiple first wires 21 that are not enclosed by the first braided member 22, and the outer circumferences of multiple second wires 31 that are not enclosed by the second braided member 32. In other words, multiple parallel wire systems, namely the first wires 21 and the second wires 31, are collectively enclosed by a single braided member 90. Thus, the braided member 90 is a multi-core, unified shielded braided wire that encloses the outer circumferences of multiple systems of first wires 21 and second wires 31 in one piece.
[0086] As the braided member 90, for example, a braided wire made by weaving together multiple metal wires, or a braided wire made by combining metal wires and resin wires can be used. As the material for the metal wires, for example, metal materials such as copper-based or aluminum-based materials can be used. Note that each figure schematically illustrates how the metal wires of the braided member 90 are woven together.
[0087] As shown in Figure 7, each axial end of the braided member 90 is connected to the outer circumferential surface of each connecting member 80. Each axial end of the braided member 90 is connected to the outer circumferential surface of each connecting member 80 by a connecting member 82. As the connecting member 82, for example, a cable tie or crimping ring made of resin or metal can be used. The connecting member 82 is fitted to the outside of each connecting member 80 in such a manner that it sandwiches the end of the braided member 90 between itself and the outer circumferential surface of each connecting member 80. The end of the braided member 90 is firmly fixed to the outer circumferential surface of the connecting member 80 by being tightened from the outer circumferential side by the connecting member 82. In this way, the braided member 90 is mechanically and electrically connected to the outer circumferential surface of the connecting member 80. Furthermore, the braided member 90 is electrically connected to a grounding member (not shown) through the connecting member 80 and the first braided member 22 and the second braided member 32. Such a braided member 90 functions as a third electromagnetic shielding member.
[0088] As shown in Figure 8, the axial end of the braided member 90, when connected to the connecting member 80, surrounds the outer circumference of the connecting member 80 over its entire circumference. At this time, the connecting member 82 surrounds the outer circumference of the braided member 90 over its entire circumference.
[0089] As shown in Figure 7, the cylindrical member 40 surrounds the outer circumference of the braided member 90. Each branch member 50 is connected to the end of the cylindrical member 40 and also to the ends of the outer covering members 60 and 70. The first connecting cylindrical portion 51 of the branch member 50 houses, for example, the connecting member 80 inside. The second connecting cylindrical portion 52 of the branch member 50 surrounds the outer circumference of the first braided member 22. The third connecting cylindrical portion 53 of the branch member 50 surrounds the outer circumference of the second braided member 32.
[0090] (Effects of the second embodiment) Next, the effects of the second embodiment will be explained. (2-1) The wire harness 10A is provided with a parallel wiring section in which the first wire 21 and the second wire 31 are wired in parallel. In this parallel wiring section, the first wire 21 and the second wire 31 are collectively surrounded by a single braided member 90. That is, in the parallel wiring section, there are no first braided members 22 and second braided members 32 of different systems. Therefore, in the parallel wiring section, the first braided member 22 and the second braided member 32 of different systems do not come into contact with each other. As a result, the electrical connection between the first braided member 22 and the second braided member 32 can be effectively suppressed, and thus a decrease in the electromagnetic shielding performance of the wire harness 10A can be suppressed.
[0091] (Example of change) Each of the above embodiments can be implemented with the following modifications. Each of the above embodiments and the following modifications can be combined with each other to the extent that they do not contradict each other technically.
[0092] The formation range of the first insulating member 23 in the first embodiment described above can be changed as appropriate. The formation range of the first insulating member 23 is not particularly limited, as long as it is formed to cover at least the outer circumference of the first braided member 22 in the parallel wiring portion.
[0093] - If the first braided member 22 in the parallel wiring section is housed in the first connecting cylinder 51, the first insulating member 23 should be formed to cover the outer circumference of at least the portion of the branching member 50 that is housed in the first connecting cylinder 51. In this case, the first insulating member 23 may be formed inside the second connecting cylinder 52 so as to cover the outer circumference of the first braided member 22 over its entire length, or it may be formed so as to expose the outer circumference of the first braided member 22 over its entire length.
[0094] The formation range of the second insulating member 33 in the first embodiment described above can be changed as appropriate. The formation range of the second insulating member 33 is not particularly limited, as long as it is formed to cover at least the outer circumference of the second braided member 32 in the parallel wiring portion.
[0095] - If the second braided member 32 in the parallel wiring section is housed in the first connecting cylinder 51, the second insulating member 33 should be formed so as to cover the outer circumference of at least the portion of the branching member 50 that is housed in the first connecting cylinder 51. In this case, the second insulating member 33 may be formed inside the second connecting cylinder 52 so as to cover the outer circumference of the second braided member 32 over its entire length, or it may be formed so as to expose the outer circumference of the second braided member 32 over its entire length.
[0096] In the first embodiment described above, the first insulating member 23 and the second insulating member 33 are each embodied in insulating tubes, but the embodiment is not limited to this. For example, the first insulating member 23 may be embodied in a tape member or insulating paint. When a tape member is used as the first insulating member 23, the first insulating member 23 can be formed by overlapping or roughly winding the tape member around the outer circumference of the first braided member 22. When insulating paint is used as the first insulating member 23, the first insulating member 23 can be formed by applying a paint treatment to the surface of the first braided member 22. For example, the first insulating member 23 may be formed by immersing the first braided member 22 in a solution of the material that will become the first insulating member 23, or the first insulating member 23 may be formed by applying the material that will become the first insulating member 23 by spray painting. In addition, similar to the first insulating member 23, the second insulating member 33 may also be embodied in a tape member or insulating paint.
[0097] The fixing members 24 and 34 in the first embodiment described above may be omitted. In the first embodiment described above, either the first insulating member 23 or the second insulating member 33 may be omitted. For example, if the second insulating member 33 is omitted, only the outer circumference of the first braided member 22 will be covered by the first insulating member 23. Here, if N (N is a natural number of 2 or more) different wire members of different systems are arranged in parallel, insulating members should be provided for at least N-1 wire members of different systems.
[0098] In the second embodiment described above, the connecting member 80 is housed inside the branching member 50, but the invention is not limited to this. For example, the connecting member 80 may be housed inside the cylindrical member 40.
[0099] The braided member 90 in the second embodiment described above may be replaced with another electromagnetic shielding member, such as metal foil. The configuration of the first wire member 20 in each of the above embodiments can be changed as appropriate.
[0100] The first braided member 22 in each of the above embodiments may be replaced with other electromagnetic shielding members such as metal foil. In each of the above embodiments, the number of first wires 21 in the first wire member 20 is not particularly limited, and the number of first wires 21 can be changed according to the specifications of the vehicle V. For example, the number of first wires 21 in the first wire member 20 may be one, or it may be three or more.
[0101] The configuration of the second wire member 30 in each of the above embodiments can be changed as appropriate. The second braided member 32 in each of the above embodiments may be replaced with other electromagnetic shielding members such as metal foil.
[0102] In each of the above embodiments, the number of second wires 31 in the second wire member 30 is not particularly limited, and the number of second wires 31 can be changed according to the specifications of the vehicle V. For example, the number of second wires 31 in the second wire member 30 may be one, two, or four or more.
[0103] In each of the above embodiments, the number of wire components in the wire harnesses 10 and 10A is not particularly limited, and the number of wire components can be changed according to the specifications of the vehicle V. For example, the wire harnesses 10 and 10A may have three or more wire components.
[0104] The exterior members 60 and 70 in each of the above embodiments may be omitted. The branching member 50 in each of the above embodiments may be omitted. The arrangement of electrical equipment M1, M2, M3, and M4 in vehicle V is not limited to the above embodiment and may be changed as appropriate depending on the configuration of vehicle V.
[0105] The embodiments disclosed herein should be considered in all respects to be illustrative and not restrictive. The scope of the present invention is indicated by the claims, not in the sense described above, and all modifications within the sense and scope equivalent to the claims are intended. [Explanation of Symbols]
[0106] 10,10A Wire Harness 20 First wire component 21. First power line 21A core wire 21B Insulation coating 22. First braided member (first electromagnetic shielding member) 22A First connection section 23 First insulating member 24 Fixing member 30 Second wire component 31. Second power line 31A core wire 31B Insulation coating 32. Second braided member (second electromagnetic shielding member) 32A Second connection section 33 Second insulating member 34 Fixing member 40 Cylindrical member 50 Branching member 51 First connecting cylinder section 52 Second connecting cylinder section 53 Third connecting cylinder section 51A, 52A, 53A Lip 55, 56, 57 Connecting members 60 Exterior components (first exterior component) 70 Exterior components (second exterior component) 80 Connecting Member 81,82 Connecting members 90 Braided member (third electromagnetic shielding member) M1,M2,M3,M4 Electrical equipment V Vehicle
Claims
1. First wire component and It has a second wire member of a different system from the first wire member, The first wire member comprises a first wire, a cylindrical first electromagnetic shielding member surrounding the outer circumference of the first wire, and a first insulating member covering the outer circumference of the first electromagnetic shielding member. The second wire member comprises a second wire and a cylindrical second electromagnetic shielding member that surrounds the outer circumference of the second wire. The first wire member and the second wire member have a parallel routing section in which the first wire member and the second wire member are routed in parallel, and an individual routing section in which the first wire member and the second wire member are routed so as to extend in different directions from each other. The first insulating member is formed only on a portion of the length of the first electromagnetic shielding member, The first insulating member is formed to cover the outer circumference of the first electromagnetic shielding member in the parallel wiring portion of the wire harness.
2. The system further includes a cylindrical member that collectively accommodates the first wire member and the second wire member in the parallel wiring section. The wire harness according to claim 1, wherein the first insulating member is formed to cover the outer circumference of the portion of the first electromagnetic shielding member housed in the cylindrical member.
3. The cylindrical member further comprises a cylindrical branching member connected to the end of the cylindrical member, The branching member houses the first and second wire members that have been drawn out from the cylindrical member together. The wire harness according to claim 2, wherein the branching member has a branching structure for branching the first wire member and the second wire member to different paths.
4. A first outer casing member that houses the first electric wire member drawn out from the branching member, The present invention further comprises a second outer casing member that houses the second electric wire member drawn out from the branching member, The branching member has a first connecting cylindrical portion connected to the end of the cylindrical member, a second connecting cylindrical portion connected to the end of the first exterior member, and a third connecting cylindrical portion connected to the end of the second exterior member. The first connecting cylinder portion houses the first wire member and the second wire member together. The second connecting cylinder portion houses only the first electric wire member. The third connecting cylinder portion houses only the second electric wire member. The wire harness according to claim 3, wherein the first insulating member is formed to cover the outer circumference of the first electromagnetic shielding member of at least the portion of the branching member housed in the first connecting cylinder.
5. The first insulating member is a cylindrical insulating tube, The wire harness according to claim 1, wherein the first wire member has a fixing member for fixing the first insulating member to the outer circumference of the first electromagnetic shielding member.
6. The second wire member has a second insulating member that covers the outer circumference of the second electromagnetic shielding member. The second insulating member is formed only on a portion of the length of the second electromagnetic shielding member. The wire harness according to claim 1, wherein the second insulating member is formed to cover the outer circumference of the second electromagnetic shielding member in the parallel wiring portion.
7. A first electric wire member having a first electric wire and a cylindrical first electromagnetic shielding member surrounding the outer circumference of the first electric wire, It comprises a second electric wire and a cylindrical second electromagnetic shielding member surrounding the outer circumference of the second electric wire, and a second electric wire member of a different system from the first electric wire member, A cylindrical connecting member is electrically connected to the end of the first electromagnetic shielding member and the end of the second electromagnetic shielding member, and through which the first and second electric wires pass; It has a third electromagnetic shielding member that is electrically connected to the connecting member and surrounds the first and second electric wires together, The first wire member and the second wire member have a parallel routing section in which the first wire and the second wire are routed in parallel, and an individual routing section in which the first wire and the second wire are routed so as to extend in different directions from each other. The first electromagnetic shielding member surrounds the outer circumference of the first electric wire at the individual wiring section, The second electromagnetic shielding member surrounds the outer circumference of the second electric wire at the individual wiring section. The third electromagnetic shielding member is a wire harness that collectively surrounds the first and second electric wires in the parallel wiring section.
8. A cylindrical member surrounding the outer circumference of the third electromagnetic shielding member, The present invention further comprises a cylindrical branching member connected to the end of the cylindrical member, The branching member houses the connecting member inside, The wire harness according to claim 7, wherein the branching member has a branching structure for branching the first wire member and the second wire member to different paths.
Citation Information
Patent Citations
Shield pipe
JP2015076899A