JP2015167116A - Wire harness and production method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire harness and a production method thereof, which are flexibly adaptable to a change in specification such as size and length of an electric wire, and enable work efficiency during production to be improved.SOLUTION: A wire harness 9 includes: a sheet-shaped composite functional sheet material 17; conduction paths 15; and a non-shield conduction path 16. The composite functional sheet material 17 comprises an insulation functional part 18 as a functional part having insulation property and a conduction functional part 19 as a function part having conductivity which are integrated together. The wire harness 9 further includes a winding insulation part 21 and a winding shield part 22 which are formed by winding the composite functional sheet material 17. The winding insulation part 21 is formed as an insulation separation part by winding the insulation functional part 18 so as to thread its way through the conduction paths 15. The winding shield part 22 is formed as a shield part by winding the conduction functional part 19 around an outside of the winding insulation part 21.

Description

  The present invention relates to a wire harness that electrically connects high-voltage devices mounted on a hybrid vehicle or an electric vehicle, and a method for manufacturing the wire harness.

  As a conventional wire harness for electrically connecting high voltage devices mounted on a hybrid vehicle or an electric vehicle, for example, the one disclosed in Patent Document 1 below is known. The wire harness includes three high-voltage electric wires and three exterior members for storing and protecting the three high-voltage electric wires one by one. The exterior member is a metal pipe having a circular cross section, and after inserting the high-voltage wire through such an exterior member, a connector or the like is attached to the end of the high-voltage wire. Moreover, a bending process is given to an exterior member according to the shape of the wiring object location of a wire harness.

JP 2004-224156 A

  In the case of the wire harness disclosed in Patent Document 1, it is difficult to flexibly cope with equipment such as a mold for extruding the coating when there is a change in specifications such as the wire size and wire length. There is a problem that there is. In addition, the wire harness disclosed in Patent Document 1 has a problem that workability is deteriorated because work for inserting three high-voltage electric wires one by one into the exterior member is required. . Furthermore, in the wire harness disclosed in Patent Document 1, the terminal member of the high-voltage electric wire is processed after the high-voltage electric wire is inserted into the outer member, so that the outer member may get in the way during the operation. In this case, there is a problem that workability is deteriorated.

  The present invention has been made in view of the above-described circumstances, and can flexibly cope with a change in specifications such as an electric wire size and a wire length, and can also improve workability during manufacturing. It is an object to provide a method for manufacturing a harness and a wire harness.

  The wire harness of the present invention according to claim 1, which has been made in order to solve the above problems, is formed by integrating an insulating function part as an insulating functional part and a conductive function part as a conductive functional part. A sheet-shaped composite functional sheet material and a plurality of conductive paths made of a conductive metal wire, and an insulating isolation portion by winding the insulating function portion so as to sew between the plurality of conductive paths And a winding shield part formed as a shield part by winding the conductive function part around the outside of the winding insulation part.

  According to a second aspect of the present invention, in the wire harness according to the first aspect, when the composite function sheet material is wound, it becomes a winding protection portion to protect the winding shield portion and the winding insulating portion. The protective function unit is further integrated.

  According to a third aspect of the present invention, in the wire harness according to the second aspect, the composite functional sheet material further includes a partial reinforcing portion that partially reinforces the winding protection portion when wound. It is characterized by.

  According to a fourth aspect of the present invention, in the wire harness according to the second or third aspect, the protective function portion is wound and disposed outside the winding shield portion and insulated from the winding shield portion. It further comprises a non-shielded conductive path made of a conductive metal wire to be isolated.

  According to a fifth aspect of the present invention, in the wire harness according to the first, second, third, or fourth aspect, the wound shield portion is a ground connection portion that protrudes in a wire extending direction from the wound insulating portion. It is characterized by having.

  The present invention according to claim 6 is the wire harness according to claim 1, 2, 3 or 4, further comprising a drain wire made of a conductive metal wire that contacts the winding shield part. To do.

  A seventh aspect of the present invention is the wire harness according to the first, second, third, fourth, fifth or sixth aspect, wherein the shape has rigidity and holds the shape along the wiring path of the wire harness. A holding member is further provided, or a shape holding portion that holds the shape along the routing path is integrated with the composite functional sheet material, or the function of holding the shape along the routing path is the conductive It is characterized by having the road itself.

  The invention according to claim 8 is the wire harness according to claim 1, 2, 3, 4, 5, 6 or 7, wherein the electrical connection between the high voltage battery and the inverter unit in the hybrid vehicle or the electric vehicle is performed. It is used for connection and is routed including under the vehicle floor.

  Moreover, the manufacturing method of the wire harness of this invention of Claim 9 made | formed in order to solve the said subject is the electrically-conductive function part as an insulation functional part as a functional part which has insulation, and a functional part which has electroconductivity A sheet-shaped composite functional sheet material and a plurality of conductive paths made of conductive metal wire, and winding the insulating function portion so as to sew between the plurality of conductive paths. After the formation of the wrapping insulating portion as the insulating isolation portion, the conductive function portion is wound around the outer side of the wrapping insulating portion to form the wrapping shield portion as the shield portion.

  According to the present invention described in claim 1, since the wire harness forms a wound insulating portion and a wound shield portion by winding a composite functional sheet material around a plurality of conductive paths, Thus, there is no need to extrude a coating for insulation between conductive paths, and there is no need to use a metal pipe for shielding, and as a result, it is possible to respond flexibly to changes in specifications such as wire size and wire length. There is an effect that it is possible to reduce the influence on the equipment surface even if there is a specification change. In addition, according to the present invention, there is no need to insert the pipe-shaped exterior member, so that the workability can be improved as compared with the conventional example. Furthermore, according to the present invention, it is only an operation of winding the composite function sheet material around a plurality of conductive paths, and there is no need for troublesome insertion work as in the conventional example. The effect that it can make it easy to do is produced.

  According to the present invention described in claim 2, since the winding protection portion can be formed by winding the composite function sheet material, unlike the conventional example, it has a protection function without being inserted through the pipe-shaped exterior member. There is an effect that can be.

  According to the present invention described in claim 3, in addition to the effect of claim 2, the following effect is further exhibited. That is, there is an effect that the winding protection part can be partially reinforced by the partial reinforcement part.

  According to the present invention described in claim 4, in addition to the effect of claim 2 or 3, the following effect is further exhibited. That is, there is an effect that it is possible to provide a wire harness including a configuration that requires a shield and a configuration that does not require a shield.

  According to the present invention described in claim 5, in addition to the effect of claim 1, 2, 3 or 4, the following effect is further exhibited. That is, since it is a composite function sheet material in which the ground connection portion is protruded in the wire extending direction from the winding insulation portion, the electrical connection of the winding shield portion to the ground is carried out. The effect that it can be made easy is produced.

  According to the present invention described in claim 6, in addition to the effect of claim 1, 2, 3 or 4, the following effect is further exhibited. That is, since the drain wire is provided, there is an effect that it is possible to easily perform the work related to the connection in electrically connecting the winding shield part to the ground.

  According to the present invention described in claim 7, in addition to the effect of claim 1, 2, 3, 4 or 5, the following effect is further exhibited. That is, it is possible to maintain the shape along the wiring route of the wire harness.

  According to the present invention described in claim 8, in addition to the effect of claim 1, 2, 3, 4, 5 or 6, the following effect is further exhibited. That is, there is an effect that it can be used for electrical connection between a high voltage battery and an inverter unit in a hybrid vehicle or an electric vehicle, and an effect that it can be routed including under the vehicle floor.

  According to the present invention described in claim 9, a wire harness that can flexibly cope with changes in specifications such as an electric wire size and a wire length and can also improve workability during manufacture. There exists an effect that a manufacturing method can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS It is the schematic of the wire harness which concerns on this invention, (a) is the schematic which shows the wiring state of a wire harness, (b) is sectional drawing which shows the structure of a wire harness (Example 1). FIG. 2 is a perspective view showing the configuration of the wire harness of FIG. 1 (Example 1). (Example 1) which is the sectional view on the AA line of FIG. It is the schematic for demonstrating the manufacturing method of the harness main body of the wire harness which concerns on this invention, (a) is a top view which shows a structure, (b) is a side view of the composite functional sheet | seat material of (a), (c) ) Is a side view of another example of a composite functional sheet material (Example 1). It is the schematic for demonstrating the manufacturing method of the harness main body of the wire harness used as another example (Example 2). It is the schematic for demonstrating the manufacturing method of the harness main body of the wire harness used as another example (Example 3). (Example 3) which is sectional drawing of the wire harness which consists of a manufacturing method of FIG. It is the schematic for demonstrating the manufacturing method of the harness main body of the wire harness used as another example (Example 4).

  The wire harness includes a sheet-shaped composite function sheet material and a plurality of conductive paths. The composite functional sheet material is formed by integrating an insulating function part as an insulating functional part and a conductive function part as a conductive functional part. The wire harness has a winding insulating portion and a winding shield portion formed by winding the composite function sheet material. The wound insulating portion is formed as an insulating isolation portion by winding the insulating function portion so as to sew between a plurality of conductive paths. Further, the winding shield part is formed as a shield part by winding the conductive function part around the winding insulating part. The wire harness is used for electrical connection between a high-voltage battery and an inverter unit in a hybrid vehicle or an electric vehicle, and is routed including under the vehicle floor.

  Embodiment 1 will be described below with reference to the drawings. 1A and 1B are schematic views of a wire harness according to the present invention, in which FIG. 1A is a schematic view showing a wiring state of the wire harness, and FIG. 1B is a cross-sectional view showing the configuration of the wire harness. 2 is a perspective view showing the configuration of the wire harness of FIG. 1, and FIG. 3 is a cross-sectional view taken along line AA of FIG.

  In the present embodiment, the present invention is adopted for a wire harness routed in a hybrid vehicle (which may be an electric vehicle or the like).

  In FIG. 1A, reference numeral 1 indicates a hybrid vehicle. The hybrid vehicle 1 is a vehicle that mixes and drives two powers of an engine 2 and a motor unit 3, and the motor unit 3 is supplied with electric power from a battery 5 (battery pack) via an inverter unit 4. . The engine 2, the motor unit 3, and the inverter unit 4 are mounted in the engine room 6 where the front wheels and the like are located in the present embodiment. In addition, the battery 5 is mounted on the rear part 7 of the vehicle having rear wheels or the like (may be mounted in a vehicle room existing behind the engine room 6).

  The motor unit 3 and the inverter unit 4 are connected by a high-voltage (high voltage) wire harness 8. The battery 5 and the inverter unit 4 are also connected by a high-voltage wire harness 9. In the wire harness 9, the intermediate portion 10 is routed under the vehicle floor 11. Further, they are routed substantially parallel along the vehicle floor 11. The vehicle underfloor 11 is a known body and a so-called panel member, and a through hole is formed at a predetermined position. The wire harness 9 is inserted into the through hole in a watertight manner.

  The wire harness 9 and the battery 5 are connected via a junction block 12 provided in the battery 5. The rear end 13 of the wire harness 9 is electrically connected to the junction block 12 via a connection member such as a shield connector. The front end 14 side of the wire harness 9 is also electrically connected to the inverter unit 4 via a shield connector (connection member).

  The motor unit 3 includes a motor and a generator. The inverter unit 4 includes an inverter and a converter. The motor unit 3 is formed as a motor assembly including a shield case. The inverter unit 4 is also formed as an inverter assembly including a shield case. The battery 5 is of Ni-MH type or Li-ion type, and is obtained by modularization. It is also possible to use a power storage device such as a capacitor. The battery 5 is not particularly limited as long as it can be used for the hybrid vehicle 1 and the electric vehicle.

  1 and 2, a long wire harness 9 routed through the vehicle underfloor 11 covers two high-voltage conductive paths 15, one non-shield conductive path 16, and these. Sheet-shaped composite functional sheet material 17, connecting members (not shown) provided at the ends of the conductive path 15 and the non-shielded conductive path 16 (shield connector for high voltage, connector for low voltage, etc.), and wiring at a predetermined position And a plurality of fixing members (not shown) (not shown) and a water-stopping member (not shown) (such as grommets).

  Of the above configuration of the wire harness 9, the two conductive paths 15, the single non-shielded conductive path 16, and the single composite functional sheet material 17 constitute the harness body. First, the configuration of the harness body of the wire harness 9 will be described.

  2 and 3, two conductive paths 15 are provided as described above (the number is an example. That is, the number is not limited to two, and may be three or more). The conductive path 15 is made of a metal wire having conductivity and has a single structure with no coating. The conductive path 15 has a length necessary for electrical connection. The conductive path 15 is formed in a long shape because the wire harness 9 electrically connects the inverter unit 4 and the battery 5 (junction block 12) (see FIG. 1).

  The conductive path 15 is made of copper, copper alloy, aluminum, or aluminum alloy. Regarding the conductive path 15, either a conductor structure in which strands are twisted or a rod-shaped conductor structure having a rectangular or round (circular) cross section (for example, a conductor structure having a flat single core or a round single core). It may be. The conductive path 15 is formed in a circular cross section in this embodiment. A terminal fitting (not shown) is connected to the end of the conductive path 15 by an appropriate method such as crimping or welding.

  One non-shielded conductive path 16 is provided as described above (the number is an example. That is, the number is not limited to one and may be two or more). The non-shield conductive path 16 is made of a metal wire having conductivity, and has a single structure with no coating similar to the conductive path 15. The non-shield conductive path 16 is used as a low-voltage conductive path in this embodiment. The non-shielded conductive path 16 may be replaced with a known low-voltage electric wire (insulated wire core).

  The non-shield conductive path 16 is formed to have a length necessary for electrical connection. The non-shield conductive path 16 is formed in the same length as the conductive path 15 in this embodiment. In addition, the thickness shown in the figure is an example, and a wire rod thinner than the conductive path 15 may be used.

  The composite function sheet material 17 is formed as a sheet-shaped member as described above. The composite functional sheet material 17 is formed such that the length of the conductive path 15 in the extending direction is slightly shorter than the conductive path 15. For example, the terminal fitting (not shown) is formed to be slightly shorter as long as it can be connected to the end of the conductive path 15. On the other hand, the length perpendicular to the extending direction, that is, the length in the width direction of the composite functional sheet material 17 is formed so as to be secured by an amount necessary for winding described later. The composite function sheet material 17 is formed with a thickness suitable for exhibiting various functions described below.

  When the length in the extending direction becomes longer, the length may be secured by adding, or a plurality of composite function sheet materials 17 may be continuously handled.

  The composite functional sheet material 17 has a plurality of functional parts. Specifically, it has an insulating function part 18, a conductive function part 19, and a protection function part 20. The composite function sheet material 17 is formed so as to be continuous in the order of the insulating function part 18, the conductive function part 19, and the protection function part 20. Since it has such a functional part, as will be understood from the following description, the composite functional sheet material 17 is useful as a substitute for a conventional wire covering, shielding member, sheath, exterior member, etc. Become a member.

  The insulating function part 18 is formed as a functional part having insulating properties. The insulating function part 18 is made of resin. The insulating function part 18 is formed so that the two conductive paths 15 can be sewed between them. In the present embodiment, the insulating functional unit 18 can be wound around one of the two conductive paths 15, and can be wound around the outside with the other conductive path 15 arranged next to it. Can be formed. In the present embodiment, illustration is made with the minimum number of windings (not limited to one round winding, but may be two or more rounds).

  This winding portion is formed as a winding insulating portion 21 by winding the insulating function portion 18. The insulation function part 18 and the winding insulation part 21 are formed as insulation isolation parts for the two conductive paths 15. In the case of the conventional example, the insulation function part 18 and the winding insulation part 21 correspond to a part that functions as a wire covering.

  The conductive function part 19 is formed as a functional part having conductivity. The conductive function part 19 is, for example, a metal foil or the like (not limited to this. For example, it may have a two-layer structure described later with reference to FIG. 4). The conductive function part 19 is formed so that the outer side of the winding insulating part 21 can be wound at least once. By winding the conductive function part 19, this winding part is formed as a winding shield part 22. The conductive function part 19 and the winding shield part 22 are formed as electromagnetic shield parts for the two conductive paths 15. In the case of the conventional example, the conductive function part 19 and the winding shield part 22 correspond to a part that functions as a shield member.

  The protective function part 20 is formed as a functional part that protects the winding shield part 22 and the winding insulating part 21. The protection function unit 20 is made of resin. The protective function unit 20 has insulating properties and, for example, wear resistance and the like (good mechanical properties and good thermal properties). The protection function part 20 is formed so that the outer side of the winding shield part 22 can be wound at least once. Further, after winding the outer side of the winding shield part 22, the protection function part 20 winds at least one and a half turns in a state where the non-shield conductive paths 16 are further arranged in the arrangement direction of the two conductive paths 15 as shown in the drawing. It is formed so that it can. Due to the winding of the protection function part 20, this winding part is formed as the winding protection parts 23 and 24. In the case of the conventional example, the winding protection portions 23 and 24 correspond to portions that function as sheaths or exterior members.

  In addition, description is abbreviate | omitted regarding the connection member, fixing member, and water stop member which are not illustrated.

  Next, a method for manufacturing the harness body of the wire harness 9 will be described with reference to FIG. 4A and 4B are schematic views for explaining a method for manufacturing a harness main body of a wire harness according to the present invention, wherein FIG. 4A is a plan view showing the configuration, and FIG. 4B is a side view of the composite functional sheet material of FIG. (C) is a side view of the composite function sheet material used as another example. In addition, FIG.2 and FIG.3 is also referred as needed.

  In manufacturing the harness body of the wire harness 9 in FIG. 4A, two conductive paths 15, one non-shield conductive path 16, and one composite function sheet material 17 are aligned. As shown in FIGS. 4A and 4B, the composite functional sheet material 17 is composed of the insulating function portion 18, the conductive function portion 19, and the protective function portion 20 in order from the side closer to the conductive path 15 and the non-shielded conductive path 16. It is arranged and formed to be continuous.

  As shown in FIG. 4C, the conductive function portion 19 may have a two-layer structure, for example. That is, the conductive function part 19 includes a resin base material 19a excellent in continuity with the insulating function part 18 and the protection function part 20, and a metal foil 19b integrated on one surface of the base material 19a. A two-layer structure may be used.

  2 to 4, in the manufacture of the harness body, a portion of the insulating function part 18 is wound around the two conductive paths 15 so as to sew the space between them, and the wound insulating part 21 is first formed. Specifically, the insulation function part 18 is wound once around one of the two conductive paths 15, and the outside is further covered with the insulation function part 18 in a state where the other conduction path 15 is arranged next to the conduction function 15. The winding insulating portion 21 is formed by winding it once. The two conductive paths 15 are insulated and isolated by the formation of the wound insulating portion 21. Next, the winding shield part 22 is formed by winding the outer side of the winding insulating part 21 once at the conductive function part 19.

  After the winding shield part 22 is formed, the winding protection part 23 is formed by winding the winding shield part 22 around the protective function part 20 once. By forming the winding protection part 23, the winding shield part 22 and the inside thereof are protected. After the winding protection part 23 is formed, the non-shielding conductive paths 16 are arranged in the direction in which the two conductive paths 15 are arranged, and further, the winding protection part 24 is formed by winding the protective function part 20 one and a half times. By forming the winding protection part 24, the entire harness body is protected. If the end of the protection function unit 20 is fixed with the adhesive 25 (and / or fixed with tape or the like), for example, the manufacture of the harness body is completed.

  As described above with reference to FIGS. 1 to 4, according to the wire harness 9 according to the present invention, the composite functional sheet material 17 is wound around the two conductive paths 15 and the winding insulating portion 21 and Since it is a structure that forms the winding shield portion 22, it is not necessary to extrude a coating as in the conventional example for insulation between the two conductive paths 15, and the conventional example is used for shielding. There is no need to use such metal pipes, and as a result, even if there are changes in specifications such as wire size and wire length, the effect of being able to respond flexibly compared to the conventional example and the influence on the equipment surface etc. There is an effect that it can be reduced.

  In addition, according to the wire harness 9 according to the present invention, it is not necessary to insert the pipe-shaped exterior member as in the conventional example, so that the workability can be improved as compared with the conventional example. There is an effect. Furthermore, according to the wire harness 9 according to the present invention, it is only an operation of winding the composite function sheet material 17 around the two conductive paths 15, and it is not necessary to perform the troublesome insertion work as in the conventional example. The terminal processing can be made easier than in the conventional example.

  Furthermore, according to the wire harness 9 according to the present invention, the winding protection portions 23 and 24 can be formed by winding the composite function sheet material 17, so that unlike the conventional example, the pipe-shaped exterior member does not have to be inserted. Also has the effect of having a protective function.

  Embodiment 2 will be described below with reference to the drawings. FIG. 5 is a schematic view for explaining a method of manufacturing a harness body of another example of a wire harness. Note that the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  In FIG. 5, the composite functional sheet material 17 includes an insulating functional part 18, a conductive functional part 19, and a protective functional part 20. The composite function sheet material 17 is formed so as to be continuous in the order of the insulating function part 18, the conductive function part 19, and the protection function part 20. A ground connection portion 26 is formed in the conductive function portion 19. The ground connection portions 26 are respectively formed at both ends in the extending direction of the conductive path 15 and the non-shield conductive path 16. The ground connection portion 26 is formed so as to protrude in the extending direction from both ends of the insulating function portion 18 and the protection function portion 20. In other words, it is formed so as to protrude in the extending direction from the winding insulation part 21 and the winding protection parts 23 and 24 (see FIG. 3). The ground connection portion 26 is formed as a portion that facilitates work related to the connection of the wound shield portion 22 to, for example, a shell of a shield connector or a shield case.

  Since the composite functional sheet material 17 as described above is used, there is an effect that the connection work to the ground can be facilitated. In addition, as in the first embodiment, there is an effect that it is possible to flexibly cope with a specification change and an effect that workability related to manufacturing can be improved.

  Embodiment 3 will be described below with reference to the drawings. FIG. 6 is a schematic view for explaining a method of manufacturing a harness body of another example of a wire harness. FIG. 7 is a cross-sectional view of a wire harness comprising the manufacturing method of FIG. Note that the same components as those in the first and second embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

  In FIG.6 and FIG.7, the harness main body in Example 3 is comprised as follows. That is, the harness body includes two conductive paths 15, one non-shield conductive path 16, one composite function sheet material 17, and one drain wire 27. The drain wire 27 is a conductive metal wire material that comes into contact with the conductive function portion 19 (winding shield portion 22) of the composite functional sheet material 17, and is provided as a connection portion to the ground. The drain wire 27 is attached when the winding shield part 22 is formed by winding the outer side of the winding insulating part 21 around the conductive function part 19 once.

  Since the drain wire 27 as described above is used, there is an effect that the connection work to the ground can be facilitated. In addition, since the composite function sheet material 17 is used as in the first embodiment, there is an effect that it is possible to flexibly cope with specification changes and an improvement in workability related to manufacturing.

  Embodiment 4 will be described below with reference to the drawings. FIG. 8 is a schematic view for explaining a method of manufacturing a harness body of another example of a wire harness. Note that the same components as those in the second embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  8, Example 4 is obtained by adding a partial reinforcing portion 28 to the composite functional sheet material 17 of Example 2 (not shown, but partially reinforcing the composite functional sheet material 17 of Examples 1 and 3). The part 28 may be added). The partial reinforcing portion 28 is added as a portion that protects the winding protection portion 24 (see FIG. 3) formed by winding the composite function sheet material 17. The additional position of the partial reinforcing portion 28 is a position that requires reinforcement, and is arbitrarily set according to the state of the routing route. For example, if the partial reinforcing portion 28 is added as a measure against a stepping stone, the partial reinforcing portion 28 is formed of a material excellent in impact resistance and wear resistance. Moreover, if it adds as a countermeasure in the case of being arranged in the vicinity of a heat generating body, it forms with the material excellent in heat resistance.

  Since the partial reinforcing portion 28 as described above is added, the winding protection portion 24 can be partially reinforced (see FIG. 3). In addition, as in the second embodiment, it is possible to flexibly cope with specification changes, an effect that workability related to manufacturing can be improved, and a connection work to the ground can be facilitated. There is an effect that can be done.

  In addition, the present invention can of course be modified in various ways within the scope not changing the gist of the present invention.

  In the above description, the rigidity of the conductive path 15 is not particularly limited. For example, if a conductor structure having a single round core is employed, the shape along the wiring path of the wire harness 9 due to its rigidity and shape retention. There is an effect that it can be held. Regarding shape retention along the routing path, in addition to the rigidity of the conductive path 15 itself, a shape retention member is further provided as a configuration of the harness body, and a shape retention portion is added to the composite function sheet material 17. It is also effective. Instead of the non-shield conductive path 16, a shape holding member (for example, a wire having a round single core) may be used.

  DESCRIPTION OF SYMBOLS 1 ... Hybrid vehicle, 2 ... Engine, 3 ... Motor unit, 4 ... Inverter unit, 5 ... Battery, 6 ... Engine room, 7 ... Car rear part, 8, 9 ... Wire harness, 10 ... Middle part, 11 ... Under vehicle floor, DESCRIPTION OF SYMBOLS 12 ... Junction block, 13 ... Rear end, 14 ... Front end, 15 ... Conductive path, 16 ... Non-shielded conductive path, 17 ... Compound functional sheet material, 18 ... Insulation function part, 19 ... Conductive function part, 19a ... Base material, 19b ... metal foil, 20 ... protective function part, 21 ... winding insulating part, 22 ... winding shield part, 23,24 ... winding protection part, 25 ... adhesive, 26 ... ground connection part, 27 ... drain wire, 28 ... Partial reinforcement

Claims (9)

A sheet-shaped composite functional sheet material in which an insulating functional part as an insulating functional part and a conductive functional part as a conductive functional part are integrated;
A plurality of conductive paths made of conductive metal wires, and
With
A wound insulating portion formed as an insulating isolation portion by winding the insulating function portion so as to sew between the plurality of conductive paths;
A wound shield part formed as a shield part by winding the conductive function part around the wound insulation part;
A wire harness characterized by comprising: The wire harness according to claim 1,
The wire harness according to claim 1, wherein the composite function sheet material further comprises a protection function part that becomes a winding protection part when it is wound to protect the winding shield part and the winding insulation part. The wire harness according to claim 2,
The wire harness according to claim 1, wherein the composite functional sheet material further includes a partial reinforcing portion that partially reinforces the winding protection portion when wound. In the wire harness according to claim 2 or 3,
It further comprises a non-shield conductive path made of a conductive metal wire that is wound around the protective function portion and arranged outside the winding shield portion and is insulated and isolated from the winding shield portion. Wire harness. In the wire harness according to claim 1, 2, 3, or 4,
The said winding shield part has a ground connection part which protrudes in a wire extension direction rather than the said winding insulation part. The wire harness characterized by the above-mentioned. In the wire harness according to claim 1, 2, 3, or 4,
A wire harness, further comprising a drain wire made of a conductive metal wire that contacts the winding shield. In the wire harness according to claim 1, 2, 3, 4, 5 or 6,
A shape holding member that has rigidity and holds the shape along the routing route of the wire harness is further provided, or a shape holding portion that holds the shape along the routing route is integrated with the composite function sheet material Alternatively, the conductive path itself has a function of maintaining the shape along the routing path. In the wire harness according to claim 1, 2, 3, 4, 5, 6 or 7,
A wire harness that is used for electrical connection between a high-voltage battery and an inverter unit in a hybrid vehicle or an electric vehicle and that is routed including under the vehicle floor. A composite functional sheet material in the form of a sheet in which an insulating functional part as an insulating functional part and a conductive functional part as a conductive functional part are integrated, and a plurality of conductive paths made of a conductive metal wire And
After winding the insulating function part so as to sew between the plurality of conductive paths and forming a wound insulating part as an insulating isolation part, the conductive function part is wound around the outer side of the wound insulating part. A method of manufacturing a wire harness, comprising forming a wound shield portion as a shield portion.

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