JP2017076629A - Composite cable for vehicle and composite harness for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a composite cable for a vehicle capable of suppressing a cross-talk between signal lines even when a pair of power source lines for supplying current to an electrically driven parking brake device and a plurality of signal lines that are not covered by a shield conductor are integrally covered with a sheath, and a composite harness for a vehicle provided with the composite cable for a vehicle.SOLUTION: A power source line for a pair of electrically driven parking brakes and first and second signal lines for running time are not individually covered by a shield conductor, and the first signal line for running time and the second signal line for running time are isolated by separating the power source line for the pair of electrically driven parking brakes.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a vehicle composite cable and a vehicle composite harness using the vehicle composite cable.

  Conventionally, it is connected to an electric parking brake dedicated cable for supplying electric current to an electric parking brake mechanism for suppressing wheel rotation after the vehicle stops and an ABS sensor for measuring the rotational speed of the wheel while the vehicle is running. There is known a composite harness including a composite cable in which an ABS sensor cable is integrated with a common sheath (see Patent Document 1).

  In this type of composite harness, one end is fixed to the vehicle body, and the other end is fixed to a wheel supported by the vehicle body via a suspension device. When the vehicle body moves up and down with respect to the road surface as the vehicle travels, the composite cable is bent. Therefore, the composite cable is required to have high flexibility. In the composite harness described in Patent Document 1, no shield conductor for noise suppression is provided on the electric parking brake dedicated cable and the ABS sensor cable, thereby improving the flexibility and reducing the weight.

Japanese Patent No. 5541331

  A plurality of sensors may be attached to the wheel side due to recent high-level computerization of vehicles. However, when a plurality of signal lines transmitting detection signals from a plurality of sensors are collectively covered with a sheath, crosstalk between the signal lines is likely to occur unless a shield conductor is provided for each of the plurality of signal lines. End up.

  Therefore, the present invention provides a crosstalk between signal lines even when a pair of power supply lines for supplying current to the electric parking brake device and a plurality of signal lines not covered by the shield conductor are collectively covered with a sheath. It is an object of the present invention to provide a vehicular composite cable capable of suppressing the above and a vehicular composite harness including the vehicular composite cable.

  In order to solve the above-mentioned problems, the present invention supplies a current to an electric parking brake device that generates a braking force after the vehicle is stopped, and a pair of electric parking brake power sources having a central conductor covered with an insulator. A first traveling signal comprising a twisted pair wire formed by twisting together a pair of first insulated wires formed by transmitting a first electrical signal when the vehicle is traveling and the center conductor is covered with an insulator A second traveling signal comprising a twisted pair wire formed by twisting together a pair of second insulated electric wires formed by transmitting a second electric signal when the vehicle travels and the center conductor is covered with an insulator A pair of electric parking brakes, and a pair of sheaths made of polyurethane that collectively covers the pair of electric parking brake power lines and the first and second driving signal lines. The power lines have outer diameters larger than those of the first and second insulated wires, respectively, and the pair of electric parking brake power lines and the first and second driving signal lines are shield conductors, respectively. And the first traveling signal line and the second traveling signal line are separated from each other with the pair of electric parking brake power lines separated from each other. provide.

  In order to solve the above-described problems, the present invention provides the above-described composite cable for a vehicle, the pair of electric parking brake power lines exposed from the sheath, the first signal line for traveling, and the There is provided a composite harness for a vehicle having a connector attached to at least one of the ends of the second signal line for traveling.

  According to the vehicle composite cable and the vehicle composite harness according to the present invention, crosstalk between signal lines can be suppressed.

It is a schematic diagram which shows the structure of the vehicle in which the composite harness which concerns on 1st Embodiment was used. It is the schematic which shows the structural example of the peripheral part of a rear wheel. It is a block diagram which shows one specific example of a structure of a wire harness. It is the schematic which shows the one end part of the composite cable which comprises a wire harness. It is sectional drawing of a composite cable. (A) is explanatory drawing which shows the internal structure of the composite cable which concerns on 2nd Embodiment, (b) is sectional drawing of a composite cable. (A) is explanatory drawing which shows the internal structure of the composite cable which concerns on 3rd Embodiment, (b) is sectional drawing of a composite cable. It is sectional drawing of the composite cable which concerns on 4th Embodiment. It is sectional drawing of the composite cable which concerns on 5th Embodiment. (A) is sectional drawing of the composite cable which concerns on 6th Embodiment, (b) is explanatory drawing which shows the structural example of the braided shield of a composite cable.

[First Embodiment]
FIG. 1 is a schematic diagram illustrating a configuration of a vehicle in which the composite harness according to the present embodiment is used.

  The vehicle 1 includes four tire houses 100 in a vehicle body 10, and two front wheels 11 and two rear wheels 12 are disposed in the respective tire houses 100. In the present embodiment, the vehicle 1 is a front wheel drive vehicle, and the front wheels 11 are driven by receiving a driving force of a driving source (not shown) including an engine and an electric motor. That is, in the present embodiment, the front wheel 11 is a driving wheel and the rear wheel 12 is a driven wheel.

  The vehicle 1 also has two electric parking brake devices 130 and a control device 14. The electric parking brake device 130 is provided corresponding to each of the two rear wheels 12, and is operated by the current supplied from the control device 14 to generate a braking force on the rear wheel 12. The control device 14 can detect the operation state of the parking brake operation switch 140 provided in the vehicle interior, and the driver turns on / off the parking brake operation switch 140 to thereby enable the electric parking brake device 130 to operate. It is possible to switch between an operating state and a non-operating state.

  For example, when the driver turns the parking brake operation switch 140 from the OFF state to the ON state when the vehicle is stopped, the control device 14 outputs an operation current for operating the electric parking brake device 130 for a predetermined time (for example, 1 second). To do. As a result, the electric parking brake device 130 is operated to generate a braking force on the rear wheel 12. The operating state of the electric parking brake device 130 is maintained until a current for outputting the electric parking brake device 130 from the control device 14 to the non-operating state is output. Thus, the electric parking brake device 130 generates a braking force mainly after the vehicle 1 is stopped.

  When the parking brake operation switch 140 is changed from the on state to the off state by the driver's operation, the control device 14 outputs a current for making the electric parking brake device 130 inactive. In addition to the case where the parking brake operation switch 140 is turned off, the control device 14 generates a current for deactivating the electric parking brake device 130 even when the accelerator pedal is depressed. Output.

  The front wheel 11 and the rear wheel 12 are provided with a wheel speed sensor 131 for detecting the wheel speed and an air pressure sensor 132 for detecting the tire air pressure. The wheel speed sensor 131 is known per se and has a magnetic field detection element for detecting the magnetic field of an annular magnetic encoder that rotates together with the front wheel 11 or the rear wheel 12. The speed (the rotational speed of the front wheel 11 or the rear wheel 12) is detected. The air pressure sensor 132 includes a diaphragm whose amount of deflection changes according to, for example, the tire air pressure, and outputs an electrical signal corresponding to the amount of deflection of the diaphragm.

  The control device 14 is electrically connected to the wheel speed sensor 131 and the air pressure sensor 132 of the front wheel 11 by a front wheel wire group 151 including a plurality of wires and a front wheel wire harness 152. The front wheel wire group 151 and the front wheel wire harness 152 are connected within a relay box 153 fixed to the vehicle body 10. The relay box 153 is disposed in the vicinity of each of the pair of left and right front wheels 11.

  The control device 14, the electric parking brake device 130 for the rear wheel 12, the wheel speed sensor 131, and the air pressure sensor 132 are electrically connected by the rear wheel wire group 154 including a plurality of wires and the rear wheel wire harness 2. Connected. The rear wheel wire harness 2 is an aspect of the “composite harness” according to the present invention. The rear wheel wire group 154 and the rear wheel wire harness 2 are connected within a relay box 155 fixed to the vehicle body 10. The relay box 155 is disposed in the vicinity of each of the left and right rear wheels 12.

  The front wheel electric wire group 151 is arranged in a wiring path 150 provided in the vehicle body 10 in a bundled state. The rear wheel electric wire group 154 is also arranged in a wiring path 150 provided in the vehicle body 10 in a bundled state, like the front wheel electric wire group 151.

  One end of the front wheel wire harness 152 is connected to the wheel speed sensor 131 and the air pressure sensor 132 of the front wheel 11, and the other end is accommodated in the relay box 153. One end of the rear wheel wire harness 2 is connected to the electric parking brake device 130, the wheel speed sensor 131, and the air pressure sensor 132 of the rear wheel 12, and the other end is accommodated in the relay box 155. Since the front wheel wire harness 152 and the rear wheel wire harness 2 are bent according to the vertical movement of the front wheel 11 and the rear wheel 12 with respect to the vehicle body 10 as the vehicle 1 travels, high bending durability is required. Hereinafter, the rear wheel wire harness 2 is simply referred to as “wire harness 2”.

  FIG. 2 is a schematic diagram illustrating a configuration example of a peripheral portion of the rear wheel 12. The rear wheel 12 is supported by the suspension device 16 with respect to the vehicle body 10. The suspension device 16 includes an upper arm 161, a lower arm 162, a shock absorber 163, and a suspension spring 164. Each of the upper arm 161 and the lower arm 162 has one end connected to the knuckle 165 and the other end connected to the vehicle body 10. An outer ring 171 of the hub unit 17 of the rear wheel 12 is fixed to the knuckle 165. The upper arm 161 is coupled to the first mounting portion 165a of the knuckle 165 together with the shock absorber 163, and the lower arm 162 is coupled to the second mounting portion 165b of the knuckle 165.

  The suspension spring 164 is coaxially disposed on the outer periphery of the shock absorber 163 and expands and contracts in accordance with the vertical movement of the vehicle body 10 with respect to the road surface. As the shock absorber 163 extends and contracts, the upper arm 161 and the lower arm 162 swing with respect to the vehicle body 10.

  The knuckle 165 is provided with a third attachment portion 165c, and the electric parking brake device 130 is fixed to the third attachment portion 165c. The electric parking brake device 130 includes a main body 130a, a caliper 130b, and a brake pad 130c fixed to the caliper 130b.

  The hub unit 17 includes an outer ring 171 and a hub ring 172 that is rotatably supported with respect to the outer ring 171. The wheel hub 172 is provided with a wheel mounting flange 172a, and the rear wheel 12 is mounted on the wheel mounting flange 172a. Between the inner peripheral surface of the outer ring 171 and the outer peripheral surface of the hub wheel 172 of the hub unit 17, a plurality of rolling elements (not shown) are held by a cage.

  A disc-shaped brake rotor 18 is fixed to the wheel mounting flange 172 a of the hub wheel 172 together with the wheel 120 of the rear wheel 12. The brake rotor 18 integrally includes a friction portion 18a that frictionally engages with a brake pad 130c of the electric parking brake device 130 and a fixing portion 18b that is fixed to the wheel mounting flange 172a of the hub wheel 172. One side surface of the friction portion 18 a faces the brake pad 130 c of the electric parking brake device 130. When the electric parking brake device 130 is activated, the caliper 130b is drawn into the main body 130a, and the brake pad 130c is pressed against the friction portion 18a of the brake rotor 18. As a result, a frictional force is generated between the brake pad 130 c and the brake rotor 18, and this frictional force becomes the braking force of the vehicle 1.

  A tire 121 is attached to the wheel 120. The tire 121 is a rubber tire obtained by blending a reinforcing material or the like with a rubber material made of synthetic rubber or natural rubber. The air pressure sensor 132 includes a detection element 132a that transmits a radio signal according to the air pressure of the tire 121, and an antenna element 132b that receives the radio signal transmitted from the detection element 132a. The detection element 132 a is attached to the wheel 120 and rotates together with the rear wheel 12. The antenna element 132b is fixed to a non-rotating member that does not rotate as the rear wheel 12 rotates. In the present embodiment, the antenna element 132b is fixed to the knuckle 165 that is a non-rotating member, but the antenna element 132b may be fixed to the vehicle body 10, for example.

  The radio wave signal transmitted from the detection element 132 a is converted into an electric signal by the antenna element 132 b and transmitted to the control device 14 via the wire harness 2. When the air pressure detected by the air pressure sensor 132 is lower than a predetermined value, the control device 14 issues a warning to the driver by a lamp display or an alarm sound.

(Configuration of wire harness 2)
FIG. 3 is a configuration diagram showing a specific example of the configuration of the wire harness 2. FIG. 4 is a schematic view showing one end of the composite cable 2 </ b> A constituting the wire harness 2. 5A is a cross-sectional view of the composite cable 2A, FIG. 5B is a cross-sectional view of the insulated wire 31 constituting the first signal line 30, and FIG. 5C is a cross-sectional view of the power supply line 21. FIG. 5D is a cross-sectional view of the insulated wire 41 that constitutes the second signal line 40.

  3, the end on the rear wheel 12 side is shown on the left side of the drawing, and the end on the relay box 155 side is shown on the right side of the drawing. In the following description, the end on the rear wheel 12 side of the wire harness 2 is referred to as “one end”, and the end on the relay box 155 side is referred to as “other end”.

  The composite cable 2A includes a pair of power supply lines 21 and 22, a first signal line 30 formed of a twisted pair line, a second signal line 40 also formed of a twisted pair line, a pair of power supply lines 21 and 22, a first and a second It has the sheath 20 which coat | covers the 2nd signal wire | line 30 and 40 collectively, and the inclusion 5 accommodated in the sheath 20. FIG.

  A first power connector 23 for connection to the electric parking brake device 130 is attached to one end of the pair of power lines 21 and 22, and a relay box 155 is connected to the other end of the pair of power lines 21 and 22. A second power connector 24 for connection with the rear wheel electric wire group 154 is attached.

  A wheel speed sensor 131 is attached to one end of the first signal line 30, and a first signal line connector 33 for connection to the rear wheel electric wire group 154 in the relay box 155 is attached to the other end. It is attached. The second signal line 40 has an antenna element connection connector 43 for connection to the antenna element 132b of the air pressure sensor 132 at one end, and the rear wheel wire in the relay box 155 at the other end. A second signal line connector 44 for connection with the group 154 is attached.

  The wire harness 2 includes a composite cable 2A, a first power connector 23, a second power connector 24, a wheel speed sensor 131, a first signal line connector 33, an antenna element connector 43, and a second signal line connector 44. It is constituted by.

  The pair of power lines 21 and 22 are used to supply electric current to the electric parking brake device 130. The first signal line 30 is used to transmit the detection signal of the wheel speed sensor 131 to the control device 14. The second signal line 40 is used to transmit a detection signal of the air pressure sensor 132 to the control device 14.

  That is, the first signal line 30 and the second signal line 40 transmit a vehicle state quantity detection signal indicating the traveling state of the vehicle 1 to the control device 14 when the vehicle 1 is traveling. The detection signal of the wheel speed sensor 131 transmitted through the first signal line 30 is a signal for detecting the wheel speed of the rear wheel 12, and is a specific example of the “first electric signal” of the present invention. The detection signal of the air pressure sensor 132 transmitted through the second signal line 40 is a specific example of the “second electric signal” in the present invention.

  The inclusion 5 is interposed between the pair of power supply lines 21 and 22 and the first and second signal lines 30 and 40 inside the sheath 20. By this inclusion 5, the outer peripheral surface 20a of the sheath 20 in a cross section orthogonal to the central axis of the composite cable 2A is brought close to a circular shape, and the routing property of the composite cable 2A is enhanced. Further, when the composite cable 2 </ b> A is bent by the inclusion 5, the sheath 20, the pair of power supply lines 21 and 22, the first signal line 30, and the second signal line 40 are prevented from rubbing with each other. Thus, the bending resistance of the composite cable 2A is enhanced.

  The sheath 20 is made of an insulating resin, and specifically, a flexible polyurethane excellent in flexibility and durability can be used as the material. As shown to Fig.5 (a), when the outer diameter of the sheath 20 is set to D and thickness is set to t, D is 8.0-10.0 mm and t is 1.0-2.0 mm.

The pair of power supply lines 21 and 22 are insulated wires in which the center conductors 210 and 220 each made of a conductive material such as copper are covered with insulators 211 and 221 made of an insulating resin. The insulators 211 and 221 are made of, for example, crosslinked PE (polyethylene) or flame-retardant crosslinked PE (polyethylene). Of the pair of power supply lines 21, 22, the outer diameter of the central conductor 210 of one power supply line 21, the thickness of the insulator 211, and the outer diameter of the insulator 211 are outside the central conductor 220 of the other power supply line 22. The diameter, the thickness of the insulator 221, and the outer diameter of the insulator 221 are common. As shown in FIG. 5C, when the outer diameter of the central conductor 210 of one power supply line 21 is D ₀₁ , the thickness of the insulator 211 is t ₀ , and the outer diameter of the insulator 211 is D ₀₂ , D ₀₁ Is 1.8 to 2.3 mm, t ₀ is 0.3 to 0.5 mm, and D ₀₂ is 2.9 to 3.1 mm.

  The first signal line 30 is a twisted pair line formed by twisting a pair of insulated wires 31 and 32 at a predetermined twist pitch. Of the pair of insulated wires 31, 32, one insulated wire 31 is formed by covering a central conductor 310 made of a highly conductive conductive wire such as copper with an insulator 311 made of an insulating resin, and the other insulated wire. Similarly, 32 is formed by covering a central conductor 320 made of a highly conductive lead such as copper with an insulator 321 made of an insulating resin. The center conductors 310 and 320 of the insulated wires 31 and 32 are stranded wires composed of a plurality of strands. The insulators 311 and 321 are made of, for example, crosslinked PE (polyethylene) or flame-retardant crosslinked PE (polyethylene).

The outer diameter of the central conductor 310 of one insulated wire 31, the thickness of the insulator 311, the outer diameter of the insulator 311, the outer diameter of the central conductor 320 of the other insulated wire 32, the thickness of the insulator 321, and The outer diameter of the insulator 321 is common. That is, one insulated wire 31 and 32 consists of common specifications. As shown in FIG. 5B, when the outer diameter of the central conductor 310 of one insulated wire 31 is D ₁₁ , the thickness of the insulator 311 is t ₁ , and the outer diameter of the insulator 311 is D ₁₂ , D ₁₁ Is 0.6 to 0.9 mm, D ₁₂ is 1.3 to 1.6 mm, and t ₁ is 0.25 to 0.4 mm.

  The second signal line 40 is a twisted pair line formed by twisting a pair of insulated wires 41 and 42 at a predetermined twist pitch. The second signal line 40 has the same twist pitch and twist direction as the first signal line 30 and has the same configuration as the first signal line 30.

  Specifically, of the pair of insulated wires 41 and 42 of the second signal line 40, one insulated wire 41 insulates the central conductor 410 made of a highly conductive conductor such as copper from the insulating resin. Similarly, the other insulated wire 42 is formed by covering a central conductor 420 made of a highly conductive conductive wire such as copper with an insulator 421 made of an insulating resin. The central conductors 410 and 420 of the insulated wires 41 and 42 are stranded wires made of a plurality of strands, and the insulators 411 and 421 are made of, for example, crosslinked PE (polyethylene) or flame-retardant crosslinked PE (polyethylene).

In the second signal line 40, the outer diameter of the center conductor 410 of one insulated wire 41, the thickness of the insulator 411, the outer diameter of the insulator 411, the outer diameter of the center conductor 420 of the other insulated wire 42, and the insulation The thickness of the body 421 and the outer diameter of the insulator 421 are common. That is, one insulated wire 41 and 42 consists of common specifications. As shown in FIG. 5 (d), one of the insulating D ₂₁ the outer diameter of the center conductor 410 of the wire 41, ₂ thicknesses t- insulator 411, the outer diameter of the insulator 411 when the D _22, D ₂₁ is 0.7 to 1.0 mm, D ₂₂ is 1.4 to 1.8 mm, and t ₂ is 0.25 to 0.4 mm.

In the present embodiment, the outer diameter (thickness) D ₁₂ of the pair of insulated wires 31 and 32 of the first signal line 30 and the outer diameter (thickness) of the pair of insulated wires 41 and 42 of the second signal line 40. D) D ₂₂ is equivalent. Specifically, the ratio of D ₂₂ of _{D 12 (D 12 / D 22} ) is 0.8 to 1.2. A more desirable range of the ratio of D ₁₂ to D ₂₂ (D ₁₂ / D ₂₂ ) is 0.9 or more and 1.1 or less.

  5A, when the composite cable 2A is viewed in the longitudinal direction from the illustrated cross section, the pair of insulated wires 31 and 32 of the first signal line 30 and the pair of insulation of the second signal line 40 are shown. The outer edge of the range where the electric wires 41 and 42 are present is illustrated by broken lines.

  In the composite cable 2 </ b> A, one end of the sheath 20 is fixed to a non-rotating member that does not rotate with the rotation of the rear wheel 12. In the present embodiment, as shown in FIG. 2, one end of the sheath 20 is fixed to the knuckle 165 by the fixing tool 19. However, the present invention is not limited thereto, and the one end portion of the sheath 20 does not rotate with the rotation of the rear wheel 12 and moves up and down with respect to the vehicle body 10 with the rear wheel 12 as the suspension spring 164 expands and contracts. It only has to be fixed to.

  The first signal line 30 is not covered with the shield conductor. Further, the second signal line 40 is not covered with the shield conductor. Furthermore, the pair of power supply lines 21 and 22 are not covered with the shield conductor. That is, between the pair of insulated wires 31 and 32 of the first signal line 30 and the pair of power supply lines 21 and 22 and between the pair of insulated wires 41 and 42 of the second signal line 40 and the pair of power supply lines 21, No conductive member that shields electromagnetic waves is disposed between them and 22 except that the inclusion 5 is interposed.

  This is because the current flows through the pair of power lines 21 and 22 mainly when the vehicle 1 is stopped, and the first and second signal lines 30 and 40 transmit electric signals mainly when the vehicle 1 is traveling. Therefore, it is not necessary to provide a shield conductor between the first signal line 30 and the pair of power supply lines 21 and 22 and between the second signal line 40 and the pair of power supply lines 21 and 22. It pays attention to.

  That is, when a current flows through the pair of power supply lines 21 and 22, an electromagnetic wave generated by this current causes a potential difference between the pair of insulated wires 31 and 32 in the first signal line 30 and the second signal line 40. Although the potential difference between the pair of insulated wires 41 and 42 may be affected, the control device 14 outputs the electrical signals of the first and second signal lines 30 and 40 while the vehicle 1 whose vehicle speed is zero is stopped. This can be ignored and can prevent the vehicle 1 from being adversely affected. Further, since the first and second signal lines 30 and 40 are not covered with the shield conductor, the flexibility of the composite cable 2A is increased, the flexibility is increased, and the weight and cost of the composite cable 2A are reduced. Can also contribute.

  In the present embodiment, the first signal line 30 and the second signal line 40 are further separated by a pair of power supply lines 21 and 22. In other words, the space in the sheath 20 is partitioned into a housing space for the first signal line 30 and a housing space for the second signal line 40 by the pair of power supply lines 21 and 22.

  As described above, since the first and second signal lines 30 and 40 are not covered with the shield conductor, crosstalk occurs between the first signal line 30 and the second signal line 40. In view of this, the composite cable 2A is configured such that the pair of power supply lines 21 and 22 are sandwiched between the first signal line 30 and the second signal line 40 so as to suppress crosstalk. It is a thing. That is, the first signal line 30 and the second signal line 40 are separated by the pair of power supply lines 21 and 22, so that the interval between the first signal line 30 and the second signal line 40 is crosstalked. By keeping the distance more than the distance that can be generated, crosstalk between the first signal line 30 and the second signal line 40 is suppressed.

  Specifically, the distance between the pair of power supply lines 21, 22 is such that the thickness of the pair of insulated wires 31, 32 of the first signal line 30 and the pair of insulated wires 41 of the second signal line 40, The pair of insulated wires 31 and 32 of the first signal line 30 and the pair of insulated wires 41 and 42 of the second signal line 40 are not directly in contact with each other. Yes. In the example shown in FIG. 5A, since the pair of power supply lines 21 and 22 are in contact with each other, this interval is zero. Further, since the central conductors 210 and 220 of the pair of power supply lines 21 and 22 are conductors, a certain shielding effect can be expected, and the crosstalk is also suppressed by the shielding effect of the central conductors 210 and 220.

In this embodiment, as described above, the outer diameter D ₁₂ of the pair of insulated wires 31, 32 of the first signal line 30, the outer diameter D of the pair of insulated wires 41, 42 of the second signal line 40 ₂₂ is equivalent, the pair of power supply lines 21 and 22 are located in the center portion of the sheath 20 in the arrangement direction of the first signal line 30 and the second signal line 40 in the cross section of the composite cable 2A. The relative positional relationship between the power supply lines 21 and 22 and the first and second signal lines 30 and 40 is stabilized. Thereby, said effect becomes more remarkable.

Further, as shown in FIG. 5A, in the present embodiment, regions A ₁₁ and A ₁₂ surrounded by a pair of power supply lines 21 and 22, a first signal line 30, and a second signal line 40. Is a space, and the inclusions 5 are not filled in the regions A ₁₁ and A ₁₂ . This facilitates terminal processing of the composite cable 2A.

That is, when terminating the composite cable 2A, a part of the sheath 20 is cut off to expose the pair of power supply lines 21 and 22, the first and second signal lines 30 and 40, and the inclusion 5. Further, the inclusion 5 exposed from the end of the sheath 20 needs to be excised. At this time, if the inclusions 5 are filled in the regions A ₁₁ and A ₁₂ , the operation of excising the inclusion 5 is performed. It becomes difficult to be disturbed by the pair of power supply lines 21 and 22 and the first and second signal lines 30 and 40. Therefore, in this embodiment, the terminal processing of the composite cable 2A is facilitated by not filling the inclusions 5 in the regions A ₁₁ and A ₁₂ surrounded by the first signal line 30 and the second signal line 40. It has become.

As the inclusion 5, various fibrous bodies such as polypropylene yarn, aramid fiber, nylon fiber, or fiber-based plastic, which are generally used as cable inclusions, paper or cotton yarn, etc. can be used. In the embodiment, the inclusion 5 contains artificial polypeptide fibers. This artificial polypeptide fiber is also called a spider silk fiber, and is an artificial fiber containing a polypeptide derived from a natural spider silk protein as a main component. For example, the stress is 350 to 628.7 MPa, and the toughness is 138 to 265. 4 MJ / m ³ . By including the artificial polypeptide fiber in the inclusion 5, the strength of the composite cable 2A can be increased.

  Moreover, you may make the sheath 20 contain said artificial polypeptide fiber. Since the strength is increased by including the artificial polypeptide fiber, the sheath 20 can be thinned, the flexibility can be improved while maintaining the strength of the composite cable 2A, and the weight can be reduced.

  According to the first embodiment described above, since the first signal line 30 and the second signal line 40 are not covered with the shield conductor, the flexibility of the composite cable 2A is improved, and the composite cable 2A It can contribute to weight reduction and cost reduction. In addition, since the first signal line 30 and the second signal line 40 are separated by the pair of power supply lines 21 and 22, crosstalk between the first signal line 30 and the second signal line 40. Is suppressed. That is, according to the present embodiment, the shield conductor covering the first signal line 30 and the second signal line 40 is omitted, but between the first signal line 30 and the second signal line 40. It is possible to suppress crosstalk.

(Other embodiments)
Hereinafter, the composite cables 2B to 2F according to the second to sixth embodiments of the present invention will be described. Similar to the composite cable 2A according to the first embodiment, these composite cables 2B to 2F are connectors at the ends of the pair of power supply lines 21 and 22, the first signal line 30, and the second signal line 40. Etc. are configured as a wire harness and can be applied to the vehicle 1. Moreover, in the composite cables 2B to 2F, the material and dimensions of the sheath 20, the pair of power supply lines 21, 22, and the insulated wires 31, 32, 41, 42 of the first and second signal lines 30, 40 are as follows. It can be the same as described above.

[Second Embodiment]
A second embodiment of the present invention will be described with reference to FIG. Similar to the composite cable 2A according to the first embodiment, the composite cable 2B according to the second embodiment includes a sheath 20, a pair of power supply lines 21 and 22, a first signal line 30, and a second signal. The signal line 40 and the inclusion 5 are provided, and the first signal line 30 and the second signal line 40 are separated by a pair of power supply lines 21 and 22. The two signal lines 40 have different twisting phases. Hereinafter, this difference will be mainly described.

  Fig.6 (a) is explanatory drawing which shows the internal structure of the composite cable 2B which concerns on this Embodiment, FIG.6 (b) is sectional drawing of the composite cable 2B. 6A illustrates the internal structure of the composite cable 2B by cutting the sheath 20 into a semicircular cross section along the longitudinal direction and omitting the illustration of the inclusion 5. FIG.

In the composite cable 2B according to the present embodiment, similarly to the composite cable 2A according to the first embodiment, the first signal line 30 twists a pair of insulated wires 31 and 32, and the second signal A wire 40 is formed by twisting a pair of insulated wires 41 and 42. Further, the twist pitch P ₁ of the pair of insulated wires 31 and 32 in the first signal line 30 and the twist pitch P ₂ of the pair of insulated wires 41 and 42 in the second signal line 40 are common.

  However, the phase of twisting of the pair of insulated wires 31 and 32 in the first signal line 30 is different from the phase of twisting of the pair of insulated wires 41 and 42 in the second signal line 40, and FIG. When the pair of insulated wires 31 and 32 of the first signal line 30 are arranged along a direction parallel to the arrangement direction of the pair of power supply lines 21 and 22 in the cross section orthogonal to the longitudinal direction of the sheath 20 shown in FIG. Second signal line 40 A pair of insulated wires 41 and 42 are arranged along a direction orthogonal to the direction in which the pair of power supply lines 21 and 22 are arranged.

  Thereby, the diameter of the sheath 20 can be reduced. That is, in the present embodiment, the diameter of the composite cable 2B can be reduced as compared with the composite cable 2A according to the first embodiment.

  That is, in the composite cable 2A according to the first embodiment, as shown in FIG. 5, the pair of insulated wires 31 and 32 in the first signal line 30 and the pair of insulated wires 41 in the second signal line 40, 42 are arranged in a direction orthogonal to the direction in which the pair of power supply lines 21 and 22 are aligned, the pressing force from the first signal line 30 and the second signal line 40 causes the pair of power supply lines 21 and 22 to Although it was necessary to set the inner diameter of the sheath 20 so that the interval does not increase greatly, according to the present embodiment, the pair of insulated wires 31 and 32 and the second signal line in the first signal line 30 Since the pair of insulated wires 41 and 42 in 40 are not arranged in a line, the inner diameter of the sheath 20 can be made smaller than that of the composite cable 2A according to the first embodiment.

Also in the composite cable 2B according to the present embodiment, the pair of power supply lines 21 and 22, the first signal line 30, and the second signal line are the same as the composite cable 2A according to the first embodiment. The areas A ₂₁ and A ₂₂ surrounded by 40 are spaces that are not filled with the inclusions 5, thereby facilitating the end processing of the composite cable 2B.

  As described above, according to the present embodiment, in addition to the functions and effects described in the first embodiment, the composite cable 2B can be reduced in diameter, and as a result, the routeability of the composite cable 2B can be improved. It becomes possible to raise.

[Third Embodiment]
Next, a third embodiment of the present invention will be described with reference to FIG. Similar to the composite cable 2A according to the first embodiment, the composite cable 2C according to the third embodiment includes a sheath 20, a pair of power supply lines 21 and 22, a first signal line 30, and a second signal. The signal line 40 and the inclusion 5 are provided, and the first signal line 30 and the second signal line 40 are separated by a pair of power supply lines 21 and 22. The twist pitches of the two signal lines 40 are different. Hereinafter, this difference will be mainly described.

  Fig.7 (a) is explanatory drawing which shows the internal structure of 2 C of composite cables which concern on this Embodiment, FIG.7 (b) is sectional drawing of 2C of composite cables. FIG. 7A shows the internal structure of the composite cable 2C by cutting the sheath 20 into a semicircular cross section along the longitudinal direction and omitting the inclusion 5.

In the composite cable 2C according to the present embodiment, similarly to the composite cable 2A according to the first embodiment, the first signal line 30 twists a pair of insulated wires 31 and 32, and the second signal The wire 40 is formed by twisting a pair of insulated wires 41 and 42, and the twist pitch P ₁ of the pair of insulated wires 31 and 32 in the first signal wire 30 and the pair of insulated wires 41 in the second signal wire 40. , 42 is different from the twist pitch P ₂ .

Further, in the present embodiment, than the twisting pitch P ₁ of the first signal line 30 larger in the twisting pitch P ₂ of the second signal line 40, the difference is more than twice. However, conversely, the twist pitch P ₁ of the _first signal line 30 may be larger than the twist pitch P ₂ of the second signal line 40, and further, the twist pitch of the first signal line 30. P ₁ may be set to be twice or more the twist pitch P ₂ of the second signal line 40.

Thereby, in composite cable 2C which concerns on this Embodiment, compared with composite cable 2A which concerns on 1st Embodiment, a curl can be suppressed. In other words, when a plurality of twisted pair wires are accommodated in a single sheath, the entire cable may bend in a wavy manner depending on the winding direction of the twisted pair wires, which may reduce the routing. According to the embodiment, the twist pitch P ₁ of the pair of insulated wires 31 and 32 in the first signal line 30 is different from the twist pitch P ₂ of the pair of insulated wires 41 and 42 in the second signal line 40. Therefore, for example, compared with the case where the twist pitch P ₂ of the _second signal line 40 is equal to the twist pitch P ₁ of the first signal line 30, the winding of the composite cable 2C is less likely to occur. If the difference between the twist pitch P ₁ of the first signal line 30 and the twisting pitch P ₂ of the second signal line 40 is 2 times or more, this effect becomes more pronounced.

In addition, when made different from the twist pitch P ₁ of the first signal line 30 and a twisting pitch P ₂ of the second signal line 40, the change cycle of the electrical signal to be transmitted to increase the twisting pitch of the longer signal lines It is desirable. In other words, with twisted pair wires, it becomes easy to be affected by electromagnetic noise by increasing the twist pitch, but if the change period of the electrical signal is long, for example, other detection results among a plurality of detection results in a plurality of sampling periods Even if the twist pitch is increased, it is possible to make it less likely to be affected by electromagnetic noise by ignoring a value far from the point as an abnormal value or averaging a plurality of detection results.

Therefore, in the composite cable 2C according to the present embodiment, the second signal line that transmits the detection signal of the air pressure sensor 132 rather than the twist pitch P _{1 of} the first signal line 30 that transmits the signal for detecting the wheel speed. The twist pitch P _{2 of} 40 is increased.

Also in the composite cable 2C according to the present embodiment, a pair of power supply lines 21 and 22, a first signal line 30, and a second signal line are provided as in the composite cable 2A according to the first embodiment. The regions A ₃₁ and A ₃₂ surrounded by 40 are spaces that are not filled with the inclusions 5, thereby facilitating the end processing of the composite cable 2C.

  As described above, according to the present embodiment, in addition to the functions and effects described in regard to the first embodiment, it is possible to suppress curling of the composite cable 2C.

[Fourth Embodiment]
Next, a fourth embodiment of the present invention will be described with reference to FIG. FIG. 8 is a cross-sectional view of the composite cable 2D according to the present embodiment.

  Similar to the composite cable 2A according to the first embodiment, the composite cable 2D according to the fourth embodiment includes a sheath 20, a pair of power supply lines 21 and 22, a first signal line 30, and a second signal. The first signal line 30 and the second signal line 40 are separated by a pair of power supply lines 21 and 22, but the pair of power supply lines 21 and 22 and the first signal line are separated from each other. 30 and the second signal line 40 are held by the sheath 20 and do not have the inclusion 5.

Also in the composite cable 2D according to the present embodiment, the regions A ₄₁ and A ₄₂ surrounded by the pair of power supply lines 21 and 22, the first signal line 30, and the second signal line 40 are externally provided. It is a space that can be compressed by the pressure of. Thereby, the terminal processing of the composite cable 2D is facilitated as in the first embodiment.

  Also according to the present embodiment, the same operations and effects as those described in the first embodiment can be obtained. Further, since the inclusion 5 is not disposed in the sheath 20, the manufacturing process is simplified.

  The artificial polypeptide fiber may be contained in the sheath 20 of the composite cable 2D. By using the sheath 20 containing the artificial polypeptide fiber, the outer diameter of the sheath 20 itself can be reduced by increasing the strength, and the composite cable 2D can be reduced in diameter and weight.

[Fifth Embodiment]
Next, a fifth embodiment of the present invention will be described with reference to FIG. FIG. 9 is a cross-sectional view of the composite cable 2E according to the present embodiment.

  The composite cable 2E according to the fifth embodiment is different from the composite cable 2D according to the fourth embodiment in the sheath 20, the pair of power supply lines 21 and 22, and the first and second signal lines 30 and 40. And the configuration in which the lubricant 6 for reducing the frictional resistance and improving the lubricity is different. That is, in the composite cable 2 </ b> E according to the present embodiment, the pair of power supply lines 21 and 22 and the first and second signal lines 30 and 40 are held by the sheath 20 via the lubricant 6.

The lubricant 6 has a particle size of, for example, 5 to 50 μm, and talc (Mg ₃ Si ₄ O ₁₀ (OH) ₂ ), silica (SiO ₂ ), or the like can be suitably used as the material. Here, the particle size refers to the size of particles determined by a screening method, a microscopic method, a laser diffraction scattering method, an electric detection method, a chromatography method, or the like specified in JIS8801. Further, a paper tape or lubricating oil may be used as the lubricant 6.

  According to the composite cable 2E according to the present embodiment, as compared with the composite cable 2D according to the fourth embodiment, the pair of power supply lines 21 and 22 and the first and second power lines 21 and 22 in the sheath 20 by the lubricant 6 are used. The movement of the two signal lines 30 and 40 can be made smooth, and the flexibility is improved.

[Sixth Embodiment]
Next, a sixth embodiment of the present invention will be described with reference to FIG. FIG. 10A is a cross-sectional view of the composite cable 2F according to the present embodiment, and FIG. 10B is an explanatory view showing a configuration example of the braided shield 7 of the composite cable 2F.

  A composite cable 2F according to the sixth embodiment is obtained by adding a braided shield 7 to the composite cable 2A according to the first embodiment. That is, the composite cable 2F according to the present embodiment includes a sheath 20, a pair of power supply lines 21, 22, a first signal line 30, a second signal line 40, and an inclusion 5. A braided shield 7 that covers the pair of power supply lines 21 and 22 and the first and second signal lines 30 and 40 together is provided inside the sheath 20.

  In the braided shield 7, a plurality of highly conductive strands 70 such as copper are knitted together with artificial polypeptide fibers 71 in a lattice shape. More specifically, the braided shield 7 is an artificial spider silk fiber in which a plurality of highly conductive strands 70 such as copper and artificial polypeptide fiber 71 (artificial spider fiber) are knitted in a lattice pattern at a “predetermined ratio”. It is a mixed braided shield. Here, the “predetermined ratio” is a ratio that does not lose the original shielding function. As the artificial polypeptide fiber 71, the same one as described in the first embodiment can be used.

  Further, as a possible modification, a braided shield 7 is formed by laminating a braided shield layer in which a plurality of highly conductive wires 70 such as copper are knitted in a lattice shape, and an artificial polypeptide fiber 71 (artificial spider fiber). It is a laminated braided shield in which artificial spider yarn braided layers knitted into a shape are laminated.

Thus, the weight of the braided shield can be reduced by using the artificial polypeptide fiber 71 (artificial spider fiber).
The artificial spider yarn braid (artificial spider yarn braided layer) described above can be applied not only to the cable field but also to a hose field such as a brake hose, and its application range is wide.

  According to the present embodiment, in addition to the operations and effects described for the first embodiment, electromagnetic waves from the outside of the braided shield 7 have an adverse effect on the transmission of electrical signals through the first and second signal lines 30 and 40. Can be suppressed. Moreover, it can suppress that the electromagnetic waves by the electric current which flows through a pair of power supply lines 21 and 22 have a bad influence on the communication via another cable. Furthermore, since the braided shield 7 has a plurality of highly conductive strands 70 such as copper knitted together with the artificial polypeptide fiber 71 in a lattice shape, the strength of the braided shield 7 is increased and the composite cable 2F is repeatedly bent. Even if it is done, tearing of the strand 70 which consists of metals, such as copper, can be suppressed. Thereby, the thin strand 70 can be used and it becomes possible to improve the flexibility of the composite cable 2F.

(Summary of embodiment)
Next, the technical idea grasped from the embodiment described above will be described with reference to the reference numerals in the embodiment. However, each reference numeral in the following description does not limit the constituent elements in the claims to members or the like specifically shown in the embodiment.

[1] A pair of currents supplied to the electric parking brake device (130) for generating a braking force after the vehicle (1) is stopped and the center conductors (210, 220) are covered with the insulators (211, 221). The first electric signal is transmitted when the electric parking brake power line (21, 22) and the vehicle (1) are traveling, and the center conductor (310, 320) is covered with the insulator (311, 321). A first traveling signal line (30) made of a twisted pair wire formed by twisting a pair of first insulated wires (31, 32) and a second electrical signal transmitted when the vehicle (1) is traveling. , A second signal line for traveling, which is a twisted pair wire formed by twisting a pair of second insulated wires (41, 42) formed by covering the center conductor (410, 420) with an insulator (411, 421). (40) and the pair of A sheath (20) made of polyurethane that collectively covers the dynamic parking brake power lines (21, 22) and the first and second travel signal lines (30, 40). The electric parking brake power lines (21, 22) have a larger outer diameter than the first (31, 32) and second insulated wires (41, 42), respectively, and the pair of electric parking brake power supplies. The lines (21, 22) and the first and second travel signal lines (30, 40) are not covered with shield conductors, respectively, and the first travel signal line (30) and the The second signal line for traveling (40) is a vehicle composite cable (2A to 2F) spaced apart from the pair of electric parking brake power lines (21, 22).

[2] The first electric signal is a wheel speed detection signal for detecting a rotation speed of a wheel (rear wheel 12), and the second electric signal is a rotation speed of the wheel (12). The vehicle composite cable (2A to 2F) according to [1], which is a detection signal of a vehicle state quantity indicating a different traveling state of the vehicle (1).

[3] A region surrounded by the pair of electric parking brake power lines (21, 22), the first signal line for traveling (30), and the second signal line for traveling (40) ( _{a 11, a 12, a 21} , a 22, a 31, a 32, a 41, a 42) is a space, the [1] or [2] for the composite cable for a vehicle according (2A-2F ).

[4] The outer diameter (D ₁₂ ) of the pair of first insulated wires (31, 32) is equal to the outer diameter (D ₂₂ ) of the pair of second insulated wires (41, 42). The vehicle composite cable (2A to 2F) according to any one of [1] to [3].

[5] The pair of first insulated wire (31, 32) and said pair of second insulated wires (41, 42), the twist pitch (P _1, P ₂₎ is common, and twisting of the The cross-section perpendicular to the longitudinal direction of the sheath (20) is different in phase, and the pair of first insulated wires (31, 32) is aligned with the direction in which the pair of electric parking brake power wires (21, 22) are arranged. When aligned along a parallel direction, the pair of second insulated wires (41, 42) is along a direction orthogonal to the alignment direction of the pair of electric parking brake power lines (21, 22). The vehicle composite cable (2A to 2F) according to any one of [1] to [4].

[6] The twist pitches (P ₁ , P ₂ ) of the pair of first insulated wires (31, 32) and the pair of second insulated wires (41, 42) are different from each other, [1] Thru | or the composite cable for vehicles (2A-2F) as described in any one of [4].

[7] The difference is doubled and the pair of first insulated wire (31, 32) of the twist pitch (P ₁₎ and said pair of second insulating twisting pitch of the wire (41 and 42) (P ₂₎ The vehicle composite cable (2A to 2F) according to [6] above.

[8] The vehicle composite cable (2A to 2F) according to any one of [1] to [7], wherein the sheath (20) contains artificial polypeptide fibers.

[9] Inside the sheath (20), it is interposed between the pair of electric parking brake power lines (21, 22) and the first and second travel signal lines (30, 40). An inclusion (5) is provided, and the inclusion (5) is connected to the pair of electric parking brake power lines (21, 22) and the first and second travel signal lines (30, 40). The vehicle composite cable (2A to 2F) according to any one of [1] to [8], which is in contact.
[10] The vehicle cable (2A to 2F) according to [9], wherein the inclusion (5) contains an artificial polypeptide fiber.

[11] The pair of electric parking brake power lines (21, 22) and the first and second travel signal lines (30, 40) are collectively covered inside the sheath (20). The braided shield (7) is provided, and the strand (70) of the braided shield (7) is knitted together with the artificial polypeptide fiber (71), according to any one of [1] to [10]. Vehicle composite cables (2A to 2F).

[12] The pair of electric parking brake power lines (21, 22) and the first and second traveling signal lines (30, 40) are connected to the sheath (20) via a lubricant (6). The vehicle composite cable (2A to 2F) according to any one of [1] to [8], which is held in the vehicle.

[13] The vehicle composite cable (2A to 2F) according to any one of [1] to [12] and the pair of electric parking brake power lines (21, 21) exposed from the sheath (20). 22) a connector attached to at least one of the end portions of the first traveling signal line (30) and the second traveling signal line (40), Composite harness for vehicles (2).

  While the embodiments of the present invention have been described above, the embodiments described above do not limit the invention according to the claims. In addition, it should be noted that not all the combinations of features described in the embodiments are essential to the means for solving the problems of the invention.

  In addition, the present invention can be appropriately modified and implemented without departing from the spirit of the present invention. For example, although the case where the second signal line 40 transmits the detection signal of the air pressure sensor 132 has been described in the above embodiment, the present invention is not limited to this. That is, the second signal line 40 may transmit a vehicle state quantity detection signal indicating the traveling state of the vehicle 1 different from the rotational speed of the wheels. The vehicle state quantity may be, for example, a current supplied to the electric motor when the rear wheel 12 is driven by an electric motor (in-wheel motor), and the rear wheel 12 is steered at a predetermined angle. In that case, the steering angle may be used.

  Further, when the electric parking brake device 130 is also provided on the front wheel 11, a wire harness in which a connector or the like is attached to any of the composite cables 2 </ b> A to 2 </ b> F may be used on the front wheel 11 side.

DESCRIPTION OF SYMBOLS 1 ... Vehicle 2 ... Wire harness 2A-2F ... Composite cable 5 ... Inclusion 6 ... Lubricant 7 ... Braided shield 10 ... Car body 20 ... Sheaths 21, 22 ... Power line 30 ... First signal line 40 ... Second signal Wires 31, 32, 41, 42 ... insulated wire 70 ... wire 71 ... artificial polypeptide fiber 130 ... electric parking brake device 130c ... brake pad 131 ... wheel speed sensor 132 ... air pressure sensor 132a ... detection element 132b ... antenna element

Claims (13)

A pair of electric parking brake power lines that supply electric current to an electric parking brake device that generates a braking force after the vehicle is stopped, and whose center conductor is covered with an insulator;
A first signal line for traveling, which is a twisted pair wire formed by twisting a pair of first insulated wires that transmit a first electrical signal during traveling of the vehicle and cover a central conductor with an insulator;
A second signal line for traveling, which is a twisted pair wire formed by twisting a pair of second insulated wires that transmit a second electrical signal when the vehicle is traveling and the center conductor is covered with an insulator;
A sheath made of polyurethane that collectively covers the pair of electric parking brake power lines and the first and second travel signal lines;
With
The pair of electric parking brake power lines has an outer diameter larger than that of the first and second insulated wires, respectively.
The pair of electric parking brake power lines and the first and second travel signal lines are not covered with shield conductors, respectively, and the first travel signal line and the second travel signal line are not covered by shield conductors. The signal line for a vehicle is a composite cable for a vehicle separated from the pair of electric parking brake power lines. The first electric signal is a wheel speed detection signal for detecting a rotation speed of the wheel,
The second electrical signal is a vehicle state quantity detection signal indicating a traveling state of the vehicle different from the rotational speed of the wheels.
The composite cable for vehicles according to claim 1. An area surrounded by the pair of electric parking brake power lines, the first traveling signal line, and the second traveling signal line is a space.
The composite cable for vehicles according to claim 1 or 2. The outer diameter of the pair of first insulated wires is equal to the outer diameter of the pair of second insulated wires.
The composite cable for vehicles according to any one of claims 1 to 3. The pair of first insulated wires and the pair of second insulated wires have a common twist pitch and different twist phases,
In the cross section orthogonal to the longitudinal direction of the sheath, when the pair of first insulated wires are arranged along a direction parallel to the arrangement direction of the pair of electric parking brake power lines, the pair of second insulation wires The electric wires are arranged along a direction orthogonal to the arrangement direction of the pair of electric parking brake power lines.
The vehicle composite cable according to any one of claims 1 to 4. The pair of first insulated wires and the pair of second insulated wires have different twist pitches from each other,
The vehicle composite cable according to any one of claims 1 to 4. The difference between the twist pitch of the pair of first insulated wires and the twist pitch of the pair of second insulated wires is twice or more,
The composite cable for vehicles according to claim 6. The sheath contains artificial polypeptide fibers,
The composite cable for vehicles according to any one of claims 1 to 7. Inside the sheath, comprising an inclusion interposed between the pair of electric parking brake power lines and the first and second travel signal lines,
The inclusion is in contact with the pair of electric parking brake power lines and the first and second traveling signal lines.
The composite cable for vehicles according to any one of claims 1 to 8. The inclusion contains artificial polypeptide fiber,
The composite cable for vehicles according to claim 9. Inside the sheath, a braided shield that collectively covers the pair of electric parking brake power lines and the first and second traveling signal lines,
The strands of the braided shield are knitted together with artificial polypeptide fibers,
The composite cable for vehicles of any one of Claims 1 thru | or 10. The pair of electric parking brake power lines and the first and second running signal lines are held by the sheath via a lubricant.
The composite cable for vehicles according to any one of claims 1 to 8. The vehicle composite cable according to any one of claims 1 to 12,
Attached to at least one of the ends of the pair of electric parking brake power lines, the first traveling signal line, and the second traveling signal line exposed from the sheath. Having a connector
Composite harness for vehicles.