WO2020208890A1 - Système de câblage et élément de protection - Google Patents

Système de câblage et élément de protection Download PDF

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Publication number
WO2020208890A1
WO2020208890A1 PCT/JP2020/001864 JP2020001864W WO2020208890A1 WO 2020208890 A1 WO2020208890 A1 WO 2020208890A1 JP 2020001864 W JP2020001864 W JP 2020001864W WO 2020208890 A1 WO2020208890 A1 WO 2020208890A1
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WIPO (PCT)
Prior art keywords
power supply
distribution
connector
signal
line
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Application number
PCT/JP2020/001864
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English (en)
Japanese (ja)
Inventor
山口　裕司
英昭 伊藤
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2020208890A1 publication Critical patent/WO2020208890A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/30—Installations of cables or lines on walls, floors or ceilings

Definitions

  • This disclosure relates to wiring systems and protective members.
  • Patent Document 1 discloses that electric wires and signal lines are distributed in an intermediate distribution box and connected to each load.
  • the connected equipment in the vehicle may be changed or added.
  • the distribution box mounted on the vehicle is desired to be further miniaturized.
  • an object of the present disclosure is to make it easy to respond to changes or additions of connected devices in a vehicle, and to make the power signal distribution device as small as possible.
  • the wiring system of the present disclosure is a wiring system incorporated in an automobile, and is a power supply signal distribution device that distributes each of a power supply circuit and a signal circuit to a plurality of components, a distribution connector including a plurality of connector portions, an intermediate power supply line, and an intermediate.
  • An intermediate wiring member including a signal line is provided, and in the distribution connector, each of the power supply circuit and the signal circuit is distributed to the plurality of connector portions, and the intermediate power supply line is the power supply in the power supply signal distribution device.
  • the distribution destination line of the circuit is connected to the distribution source line of the power supply circuit in the distribution connector, and the intermediate signal line is the distribution destination line of the signal circuit in the power supply signal distribution device and the distribution source line in the distribution connector. It is a wiring system that connects to the distribution source line of the signal circuit.
  • the power signal distribution device can be made as small as possible.
  • FIG. 1 is a schematic view showing a wiring system according to the first embodiment.
  • FIG. 2 is a schematic perspective view showing a distribution connector.
  • FIG. 3 is an explanatory diagram showing a process in which the ECU recognizes the second device.
  • FIG. 4 is a flowchart showing the processing of the ECU.
  • FIG. 5 is an explanatory diagram showing an example of incorporating a wiring system into an automobile.
  • FIG. 6 is a schematic view showing a wiring system according to a modified example.
  • FIG. 7 is a schematic view showing a wiring system showing another modification.
  • FIG. 8 is a perspective view showing a protective member.
  • FIG. 9 is a plan view showing the protective member.
  • FIG. 10 is a plan view showing an application example of the protective member.
  • FIG. 11 is a plan view showing another application example of the protective member.
  • FIG. 12 is a plan view showing still another application example of the protective member.
  • the wiring system of this disclosure is as follows.
  • a wiring system incorporated in an automobile including a power supply signal distribution device that distributes each of a power supply circuit and a signal circuit into a plurality of parts, a distribution connector including a plurality of connector portions, and an intermediate power supply line and an intermediate signal line.
  • An intermediate wiring member is provided, and in the distribution connector, each of the power supply circuit and the signal circuit is distributed to the plurality of connector portions, and the intermediate power supply line is a distribution destination line of the power supply circuit in the power supply signal distribution device.
  • the distribution source line of the power supply circuit in the distribution connector are connected, and the intermediate signal line is the distribution destination line of the signal circuit in the power supply signal distribution device and the distribution source of the signal circuit in the distribution connector. It is a wiring system that connects to a line.
  • the distribution connector includes a plurality of connector portions.
  • the connected device to be changed or added is connected to the plurality of connector portions. Therefore, it is possible to easily respond to changes or additions of connected devices in the vehicle. In addition, it is not necessary to provide a large number of connectors in the power signal distribution device in anticipation of connected devices to be changed or added. Therefore, the power signal distribution device can be made as small as possible.
  • a second device side wiring member for connecting the previous line and the second device is provided, and the second device side wiring member is a second device side connector connected to one of the plurality of connector portions.
  • the second device side electric wire connecting the second device side connector and the second connection device may be included.
  • the first device which is unlikely to be changed, may be connected to the power signal distribution device.
  • Second equipment that is subject to change or will be added may be connected to the distribution connector. As a result, even if the second device is changed or added, the change of the wiring system can be reduced as much as possible.
  • the power signal distribution device may include a gateway configured to convert a communication protocol.
  • the communication protocol can be converted in the power signal distribution device.
  • control unit communicably connected to the signal circuit in the power supply signal distribution device, and the control unit is configured to recognize devices connected to the plurality of connector portions. Good. Since the control unit can recognize the devices connected to the plurality of connector portions, it is possible to easily respond to changes and additions of the devices.
  • the present disclosure can be realized not only as a control unit provided with such a characteristic processing unit, but also as a device recognition method in which the characteristic processing is a step, or to cause a computer to execute such a step. It can be realized as a program of. Further, it can be realized as a semiconductor integrated circuit that realizes a part or all of the control unit, or can be realized as a device recognition system including the control unit.
  • a plurality of the intermediate wiring members are connected to the power supply signal distribution device, a plurality of tubular portions are further provided with a protective member connected via a connecting portion, and the plurality of intermediate wiring members are formed of the plurality of tubular portions.
  • the plurality of tubular portions are inserted into each of them, and the plurality of tubular portions may be connected via the connecting portion on the power signal distribution device side and separated on the distribution connector side.
  • a plurality of intermediate wiring members can be protected by the protective member.
  • a protective member including a first cylinder portion, a second cylinder portion, and a connecting portion that connects the first cylinder portion and the second cylinder portion is further provided, and the intermediate power supply line is the first cylinder portion.
  • the intermediate signal line may be inserted through the second cylinder portion.
  • the intermediate power line and the intermediate signal line can be inserted into the first cylinder portion and the second cylinder portion separately. Therefore, it contributes to the automation of manufacturing.
  • the protective members of the present disclosure are as follows.
  • a protective member comprising a plurality of tubular portions and a connecting portion for connecting the plurality of tubular portions, and a fracture line easily broken is formed in the connecting portion. It can be applied as a protective member for the wiring system.
  • FIG. 1 is a schematic view showing a wiring system 20.
  • the wiring system 20 is incorporated in the automobile.
  • the wiring system 20 is used as wiring for electrically connecting a plurality of devices in an automobile.
  • the wiring system 20 includes a power supply signal distribution device 30, a distribution connector 40, and an intermediate wiring member 50.
  • the power supply signal distribution device 30 distributes each of the power supply circuit and the signal circuit into a plurality of units. More specifically, the power supply signal distribution device 30 includes a power supply circuit 34 and a signal circuit 36 incorporated in a housing 32 made of resin or the like.
  • the power supply circuit 34 includes a core power supply circuit 34a and a plurality of branch power supply circuits 34b.
  • the core power supply circuit 34a is connected to a power supply 10 such as a battery mounted on an automobile.
  • the connection between the power supply signal distribution device 30 and the power supply 10 is made via another electric wire 11 or the like.
  • the core power supply circuit 34a may be connected to another device through the power supply signal distribution device 30.
  • the other device may be another power signal distributor.
  • a plurality of branch power supply circuits 34b are connected to the main power supply circuit 34a.
  • a plurality of connectors 33 are integrally formed in the housing 32 of the power signal distribution device 30.
  • Each of the plurality of branch power supply circuits 34b is led from the main power supply circuit 34a toward the plurality of connectors 33.
  • the plurality of branch power supply circuits 34b are connected to the connector terminals for power supply at each of the plurality of connectors 33.
  • the main power supply circuit 34a and the plurality of branch power supply circuits 34b may be composed of a bus bar formed of a metal plate or the like, or an electric wire or the like.
  • the signal circuit 36 includes a core signal circuit 36a and a plurality of branch signal circuits 36b.
  • the backbone signal circuit 36a is connected to the ECU 12 (electronic control unit) mounted on the automobile.
  • the connection between the power signal distribution device 30 and the ECU 12 is made via another electric wire 15 or the like.
  • the backbone signal circuit 36a may be connected to another device through the power supply signal distribution device 30.
  • the other device may be another power signal distribution device or another ECU.
  • An ECU may be incorporated in the power supply signal distribution device 30.
  • the EUC in this case may be an area ECU that controls equipment in a partial area in the automobile.
  • the area ECU may control the first device 16 and the second device 18 (described later) directly or indirectly connected to the connector 33 of the power signal distribution device 30.
  • a plurality of branch signal circuits 36b are connected to the backbone signal circuit 36a.
  • Each of the plurality of branch signal circuits 36b is led from the backbone signal circuit 36a toward the plurality of connectors 33.
  • the plurality of branch signal circuits 36b are connected to the connector terminals for signals at each of the plurality of connectors 33.
  • the core signal circuit 36a and the plurality of branch signal circuits 36b may be composed of electric wires, an FPC (flexible printed circuit), or the like.
  • the power supply signal distribution device 30 includes a ground circuit 38 for distributing the ground circuit to a plurality of parts.
  • the ground circuit 38 includes a backbone ground circuit 38a and a plurality of branch ground circuits 38b.
  • the backbone ground circuit 38a is connected to a ground portion (metal body portion, etc.) in an automobile.
  • the connection between the power signal distribution device 30 and the ground portion is made via another electric wire 11 or the like.
  • the backbone ground circuit 38a may be connected to other equipment through the power signal distribution device 30.
  • the other device may be another power signal distributor.
  • a plurality of branch ground circuits 38b are connected to the backbone ground circuit 38a.
  • Each of the plurality of branch ground circuits 38b is led from the backbone ground circuit 38a toward the plurality of connectors 33.
  • the plurality of branch ground circuits 38b are connected to the grounding connector terminals at each of the plurality of connectors 33.
  • the core ground circuit 38a and the plurality of branch ground circuits 38b may be composed of a bus bar formed of a metal plate or the like, an electric wire or the like.
  • the distribution connector 40 includes a plurality of (three in this case) connector portions 42.
  • each of the power supply circuit 44 and the signal circuit 46 is distributed to a plurality of connector portions 42.
  • the power supply circuit 44 and the signal circuit 46 are incorporated in the main body 41 made of resin or the like.
  • the ground circuit 48 is incorporated in the main body 41.
  • the power supply circuit 44, the signal circuit 46, and the ground circuit 48 are formed of, for example, a metal plate or the like.
  • the power supply circuit 44 is configured to branch from the distribution source portion 44a to a plurality of (three here) branch portions 44b.
  • the signal circuit 46 is configured to branch from the distribution source portion 46a to a plurality of (three in this case) branch portions 46b.
  • the ground circuit 48 is configured to branch from the distribution source portion 48a to a plurality of (three in this case) branch portions 48b.
  • the distribution source portions 44a, 46a, and 48a are connected to terminals incorporated in one of the plurality of connectors 33 via an intermediate wiring member 50.
  • the plurality of branch portions 44b of the power supply circuit 44 are divided and guided by the plurality of connector portions 42.
  • the end of the branch portion 44b is connected to the connector terminal at the connector portion 42, or is itself a connector terminal.
  • the plurality of branch portions 46b of the signal circuit 46 are also divided and guided by the plurality of connector portions 42 in the same manner as described above.
  • the end of the branch portion 46b is connected to the connector terminal at the connector portion 42, or is itself a connector terminal.
  • the plurality of branch portions 48b of the ground circuit 48 are also divided and guided by the plurality of connector portions 42 in the same manner as described above.
  • the end of the branch portion 48b is connected to the connector terminal at the connector portion 42, or is itself a connector terminal.
  • each connector portion 42 of the distribution connector 40 is configured as a connector including a power supply connector terminal, a signal connector terminal, and a ground connector terminal.
  • the intermediate wiring member 50 includes an intermediate power supply line 54 and an intermediate signal line 56.
  • the intermediate wiring member 50 further includes an intermediate ground wire 58.
  • the intermediate power supply line 54, the intermediate signal line 56, and the intermediate ground wire 58 are composed of, for example, an electric wire whose core wire is covered with an insulating coating.
  • the intermediate wiring member 50 is configured as a harness in which a plurality of electric wires are bundled.
  • One end of the intermediate power supply line 54, the intermediate signal line 56, and the intermediate ground wire 58 is electrically connected to the terminal of the connector 52.
  • the intermediate power supply line 54, the intermediate signal line 56, and the intermediate ground line 58 are electrically connected to the power supply circuit 34, the signal circuit 36, and the ground circuit 38.
  • the other ends of the intermediate power supply line 54, the intermediate signal line 56, and the intermediate ground wire 58 are the distribution source portion 44a of the power supply circuit 44, the distribution source portion 46a of the signal circuit 46, and the distribution source portion of the ground circuit 48, respectively, in the distribution connector 40. It is connected to 48a.
  • the connection of this part may be made by a connector connection.
  • a crimping portion may be formed on the metal pieces constituting the distribution source portions 44a, 46a, 48a, and the crimping portion may be crimped to the other ends of the intermediate power supply line 54, the intermediate signal line 56, and the intermediate ground wire 58. ..
  • the intermediate power supply line 54 electrically connects the distribution destination line of the power supply circuit 34 in the power supply signal distribution device 30 and the distribution source line of the power supply circuit 44 in the distribution connector 40.
  • the intermediate signal line 56 electrically connects the distribution destination line of the signal circuit 36 in the power supply signal distribution device 30 and the distribution source line of the signal circuit 46 in the distribution connector 40.
  • the intermediate ground wire 58 electrically connects the distribution destination line of the ground circuit 38 in the power signal distribution device 30 and the distribution source line of the ground circuit 48 in the distribution connector 40.
  • the wiring system 20 may include a first device side wiring member 60 and a second device side wiring member 70.
  • first device 16 and the second device 18 exist as the devices mounted on the automobile. It is assumed that the first device 16 and the second device 18 are devices connected so as to be able to transmit and receive signals to the signal circuits 36 and 46.
  • the wiring member 60 on the first device side connects the distribution destination lines of the power supply circuit 34, the signal circuit 36, and the ground circuit 38 in the power supply signal distribution device 30 to the first device 16. More specifically, the first device side wiring member 60 includes a power supply line 64, a signal line 66, a ground line 68, and a connector 62 (first device side connector).
  • the power supply line 64, the signal line 66, and the ground line 68 are electric wires drawn from the first device 16.
  • the power line 64, the signal line 66, and the ground line 68 may be directly drawn from the first device 16.
  • the power line 64, the signal line 66, and the ground line 68 may be connected to the first device 16 by a connector.
  • a connector 62 is connected to the ends of the power line 64, the signal line 66, and the ground line 68.
  • the first device side wiring member 60 is connected to one of the plurality of connectors 33 in the power supply signal distribution device 30 via the connector 62.
  • the wiring member 70 on the second device side connects the distribution destination line of the power supply circuit 44, the signal circuit 46, and the ground circuit 48 in the distribution connector 40 to the second device 18. More specifically, the second device side wiring member 70 includes a power supply line 74, a signal line 76, a ground line 78, and a connector 72 (second device side connector).
  • the power supply line 74, the signal line 76, and the ground line 78 are electric wires drawn from the second device 18.
  • the power line 74, the signal line 76, and the ground line 78 may be directly drawn from the second device 18.
  • the power line 74, the signal line 76, and the ground line 78 may be connected to the second device 18 by a connector.
  • a connector 72 is connected to the ends of the power line 74, the signal line 76, and the ground line 78.
  • the wiring member 70 on the second device side is connected to one of the plurality of connector portions 42 in the distribution connector 40 via the connector 72.
  • the first device 16 is a device that is commonly mounted on an automobile regardless of the difference in vehicle type and the presence or absence of optional devices. It is assumed that the first device 16 is, for example, a device related to the traveling of the vehicle itself. For example, when a brake-by-wire system is introduced, a sensor that detects the degree of depression of the brake, an actuator that drives the brake, and a controller of the brake are examples of the first device. .. That is, when X-by-wire is introduced, the "X" and the sensor and controller for detecting the operation thereof are examples of the first device. It is also assumed that the first device 16 is a device for realizing a function that is installed as standard in an automobile. For example, automobile headlamps, room lamps, auxiliary lamps, switches for turning on and off these lamps, and the like are also examples of the first device.
  • the second device is a device that may or may not be installed in an automobile depending on the type of vehicle and the presence or absence of optional equipment. It is assumed that the second device is, for example, a device for realizing a carry-on device connection function and an entertainment function. For example, audio equipment, speakers, microphones, equipment for communication outside the vehicle, etc. are examples of the second equipment. It is also assumed that the second device is an additional function device for providing an additional function to the automobile. For example, a beacon unit that receives beacon radio waves from a radio station installed on a roadway, a device for a rear view monitor, a device for a corner sensor, and the like are examples of the second device.
  • FIG. 1 shows an example in which the power supply signal distribution device 30 is provided with three connectors 33.
  • the first device 16 is connected to one of the three connectors 33, and the distribution connector 40 is connected to the other two.
  • These numbers are exemplary.
  • the distribution connector 40 is provided with three connector portions 42.
  • the number of connector portions 42 is also an example, and may be two or four or more.
  • the distribution connector 40 includes a plurality of connector portions 42. Therefore, the device to be changed or added (second device 18) can be connected to a plurality of connector portions 42. Therefore, it becomes possible to easily cope with the change or addition of the device (second device 18) in the automobile.
  • the second device 18 is connected to all three connector portions 42 of one distribution connector 40. In this case, it is assumed that the second device 18 already connected is changed. In this case, the connector 72 on the second device 18 side that has already been connected is disconnected, and the connector 72 on the other second device 18 side is connected. Further, for example, in FIG.
  • the second device 18 is connected to a part of the three connector portions 42 of the other one distribution connector 40, and the other connector portion 42 is empty. In this case, when the second device 18 is added, the connector 72 on the side of the added second device 18 is connected to the vacant connector portion 42.
  • the power supply signal distribution device 30 is made as small as possible.
  • This wiring system is particularly effective in the following background, for example.
  • the conventional wire harness is not completed as one system circuit.
  • the system circuit of the wire harness means a circuit for connecting devices mounted on an automobile. Further, being completed as one system circuit is intended to be used as one completed form regardless of the equipment mounted on the automobile.
  • the conventional wire harness it is necessary to prepare two variations of products depending on the presence or absence of the connection target device each time the connection target device is increased by one.
  • the device to be added may be a device unknown at the time of manufacturing the automobile. For example, suppose the number of devices increases by eight. In this case, the number of variations of the wire harness may be 2 to the 8th power, that is, 256 variations. As the number of devices that can be added increases dramatically in this way, it is foreseen that conventional wire harnesses will have difficulties in terms of vehicle manufacturing management, wire harness manufacturing management, and wire harness design. Will be done.
  • the power signal distribution device 30 is to cope with the possibility of increasing the number of devices, it is necessary to provide the power signal distribution device 30 with connectors 33 according to the number of devices that may be added. Then, the power supply signal distribution device 30 becomes large. In the field of automobile parts, the desire to make parts smaller is endless. Further, as the number of devices increases, the number of wirings also increases, and it is foreseen that the power supply signal distribution device 30 will become larger by this amount alone.
  • the part from the power supply signal distribution device 30 to the distribution connector 40 is shared to some extent regardless of whether or not the device is changed or added, and is completed as one system circuit.
  • the device is additionally changed, it can be dealt with by changing the connection relationship of the device to the distribution connector 40. Therefore, even if the number of devices is increased, the difficulty in managing the vehicle manufacturing, the wire harness manufacturing, and the wire harness design is suppressed.
  • the distribution connector 40 is provided with a plurality of connector portions 42, the number of connectors 33 for the power signal distribution device 30 is reduced. Therefore, the number of connectors 33 provided in the power signal distribution device 30 is reduced, and the power signal distribution device 30 can be miniaturized.
  • the first device 16 which is unlikely to be changed may be connected to the connector 33 of the power signal distribution device 30.
  • the second device 18 which may be changed or is added may be connected to the connector portion 42 of the distribution connector 40. As a result, even if the second device 18 is changed or added, the change of the wiring system 20 is reduced as much as possible.
  • the ECU 12 may be configured to connect the second device 18 connected to the connector portion 42.
  • FIG. 3 is an explanatory diagram showing a process in which the ECU 12 recognizes the second device 18, and
  • FIG. 4 is a flowchart showing the process in the ECU 12.
  • the ECU 12 includes a computer including a microprocessor (microprocessor), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like.
  • An arithmetic processing unit such as a microprocessor reads out a computer program including a part or all of each step of the flowchart from a storage unit such as a ROM or RAM and executes it, as shown in FIG.
  • a computer program is implemented in the ECU 12.
  • the computer program itself may be distributed in a state of being stored in a recording medium such as a CD-ROM (Compact Disc Read Only Memory), a DVD-ROM (Digital Versatile Disk Read Only Memory), or a semiconductor memory.
  • the ECU 12 is equipped with an OS 13 (Operating System) and a device program 14 for operating each device.
  • a driver 13a for controlling each device is incorporated in the OS 13.
  • the driver 13a corresponding to the connected device is incorporated.
  • the driver 13b and the device program 14b corresponding to the devices that may be added are stored in the storage device of the ECU 12.
  • step S1 the ECU 12 sequentially inquires about each device connected periodically.
  • an address is assigned to each recognized device, and a predetermined initial address is assigned to the device before recognition.
  • step S5 the device before recognition responds to the inquiry for the initial address.
  • step S2 the ECU 12 receives an ID unique to the device from the device before recognition.
  • the ECU 12 reads the driver 13b corresponding to the unique ID from its own storage device and incorporates it into the OS 13.
  • the ECU 12 reads the device program 14b corresponding to the unique ID from its own storage device and implements it.
  • the mounted device program 14 may be rewritten.
  • the driver 13b and the device program 14b record the CD-ROM, DVD-ROM, semiconductor memory, etc. It may be provided through a medium or via a public communication network or the like.
  • the ECU 12 can recognize the connected device and execute various processes using the device.
  • the ECU 12 can recognize the devices connected to the plurality of connector portions 42, so that it is possible to easily respond to changes and additions of the devices.
  • the ECU may be an ECU incorporated in the power supply signal distribution device 30.
  • the ECU in this case may be an area ECU that controls equipment in a partial area of the automobile.
  • FIG. 5 is an explanatory diagram showing an example of incorporating the wiring system 20 into an automobile.
  • the wiring system 20 is incorporated in the instrument panel 2 of the automobile.
  • the power signal distribution device 30 is incorporated on one side (left side in FIG. 5) of the instrument panel 2.
  • Two second device side wiring members 70 extend from the power signal distribution device 30 toward the other side of the instrument panel 2.
  • the wiring member 70 on the second device side extends toward a position closer to one side (position closer to the left) than the center in the width direction of the instrument panel 2. Therefore, one distribution connector 40 is arranged at a position closer to one side (position closer to the left) than the center in the width direction of the instrument panel 2.
  • a device incorporated in a position closer to one side (position closer to the left) of the instrument panel 2 can be easily connected to the connector portion 42 of the one distribution connector 40.
  • the other second device side wiring member 70 extends further than the other second device side wiring member 70 and faces a position closer to the other side (right side position) than the center in the width direction of the instrument panel 2. It is extending. Therefore, the other distribution connector 40 is arranged at a position closer to the other side (position closer to the right) than the center in the width direction of the instrument panel 2.
  • a device incorporated in a position closer to the other side (position closer to the right) of the instrument panel 2 can be easily connected to the connector portion 42 of the other distribution connector 40.
  • FIG. 6 is a schematic view showing a wiring system 120 of a modified example according to the first embodiment.
  • the power supply signal distribution device 130 corresponding to the power supply signal distribution device 30 includes a gateway 132.
  • the gateway 132 is configured to perform communication protocol conversion. Therefore, even if the communication protocol of the ECU 12 and the communication protocols of the first device 16 and the second device 18 are different, communication is performed between the ECU 12 and the first device 16 and the second device 18.
  • the communication protocol of the ECU 12 is CAN (Controller Area Network)
  • the communication protocol of the first device 16 and the second device 18 is LIN (Local Interconnect Network), or vice versa.
  • the EUC 12 can communicate with another device 128 through the communication protocol of the ECU 12.
  • the power signal distribution device 30 can convert the communication protocol and enable a communicable connection between different communication protocols.
  • FIG. 7 is a schematic view showing a wiring system 220 showing another modification according to the first embodiment.
  • two signal circuits 36 are incorporated in the power supply signal distribution device 30.
  • Two signal circuits 46 are also incorporated in the distribution connector 40.
  • a twisted pair electric wire is an electric wire obtained by twisting two electric wires.
  • the communication between the power signal distribution device 30 and the first device 16, the communication between the power signal distribution device 30 and the distribution connector 40, and the communication between the distribution connector 40 and the second device 18 are also twisted pair electric wires. Made by 230.
  • FIG. 8 is a perspective view showing the protective member 510
  • FIG. 9 is a plan view showing the protective member 510.
  • the protective member 510 includes a plurality of tubular portions 512 and a connecting portion 514.
  • the tubular portion 512 is formed in a tubular shape.
  • the tubular portion 512 may be a cylinder, an elliptical cylinder, or a square cylinder.
  • the connecting portion 514 is a portion that connects a plurality of tubular portions 512.
  • the protective member 510 includes two tubular portions 512.
  • the connecting portion 514 connects the two tubular portions 512 in a parallel state.
  • the connecting portion 514 may be provided as a portion for connecting adjacent ones among the plurality of tubular portions 512 arranged in parallel.
  • a break line 516 that is easily broken is formed in the connecting portion 514.
  • the breaking line 516 is a linear portion that is easier to break than other portions.
  • the break line 516 may be a portion where elongated slits or holes are intermittently formed.
  • the break line 516 may be a groove-shaped portion.
  • the breaking line 516 is formed between the tubular portions 512 so as to extend along the axial direction of the tubular portion 512. Therefore, when the connecting portion 514 is broken at the broken portion, the plurality of tubular portions 512 are separated entirely or partially along the extending direction thereof.
  • the protective member 510 as described above may be formed by extrusion molding of a resin or the like. Depending on the type of resin, the protective member 510 may be formed as a flexible bendable protective member.
  • FIG. 10 is a plan view showing an example in which the protective member 510 is applied to the wiring system 220 shown in FIG.
  • a twisted pair electric wire 230, an intermediate power supply line 54, and an intermediate ground wire 58 are provided in parallel (intermediate power supply line 54 and intermediate ground wire). See FIG. 1 for 58). Both ends of the twisted pair electric wire 230, the intermediate power supply line 54, and the intermediate ground wire 58 are connected to the connector 530.
  • the intermediate power supply line 54 and the intermediate ground wire 58 are inserted into one cylinder portion 512 (first cylinder portion). As a result, the intermediate power supply line 54 and the intermediate ground wire 58 are protected by the one tubular portion 512.
  • the twisted pair electric wire 230 which is an example of the intermediate signal line, is inserted into the other tubular portion 512 (second tubular portion). As a result, the twisted pair electric wire 230 is protected by the other tubular portion 512.
  • the twisted pair electric wire 230, the power supply lines 64 and 74, and the ground wires 68 and 78 are the same as above between the power supply signal distribution device 30 and the first device 16 and between the distribution connector 40 and the second device 18. May be protected by the protective member 510 according to the configuration of.
  • the combination of the intermediate power supply line 54 and the intermediate ground wire 58 and the twisted pair electric wire 230 which is an example of the intermediate signal line are inserted into separate tubular portions 512. Therefore, it contributes to the automation of manufacturing. That is, it is assumed that general electric wires are used as the intermediate power supply line 54 and the intermediate ground wire 58. In the wire harness manufacturing process, it is conceivable that general wire processing (peeling, terminal crimping, etc.) and twisted pair electric wire 230 processing (skinning, terminal crimping, twisting, etc.) are manufactured separately. For this reason, it is difficult to realize a process of collectively protecting a general single wire and a twisted pair electric wire with the same protective member.
  • the step of inserting the twisted pair electric wire 230 into the other tubular portion 512 can be performed separately.
  • the insertion step is performed on the cylinder portion where the inserted wire does not exist, so that the inserted wire interferes with the next insertion action. hard.
  • the protective member 510 contributes to the automation of manufacturing of the wiring member including the intermediate power supply line 54, the intermediate ground wire 58, and the twisted pair electric wire 230. This is the same even when the twisted pair electric wire 230 is a signal line such as another coaxial cable or a shielded wire. The same applies when the intermediate power supply line 54 and the intermediate ground wire 58 are formed of a flat electric wire including parallel conductors. Automation may be part of the manufacturing process.
  • FIG. 11 is a plan view showing an example in which the protective member 510 is applied to the wiring systems 20 and 120 shown in FIG. 1 or FIG.
  • an intermediate power supply line 54, an intermediate signal line 56, and an intermediate ground line 58 are provided in parallel between the distribution connector 40 and the second device 18.
  • a plurality of sets of the intermediate power supply line 54, the intermediate signal line 56, and the intermediate ground line 58 are drawn corresponding to the plurality of second devices 18.
  • a plurality of sets of intermediate power supply lines 54, intermediate signal lines 56, and one end of an intermediate ground wire 58 are connected to a common connector 620. This connector 620 is connected to the connector on the power signal distribution device 30 side.
  • a plurality of connectors 33 are integrated as one connector.
  • a plurality of sets of intermediate power supply lines 54, an intermediate signal line 56, and one end of an intermediate ground wire 58 may be connected to separate connectors for each set.
  • the other ends of a plurality of sets of intermediate power supply lines 54, intermediate signal lines 56, and intermediate ground wire 58 are connected to separate connectors 622 for each set.
  • the connector 622 is connected to the distribution connector 40.
  • the other end of the intermediate power supply line 54, the intermediate signal line 56, and the intermediate ground wire 58 may be separated for each set and directly guided into the distribution connector 40.
  • the intermediate power supply line 54, the intermediate signal line 56, and the intermediate ground wire 58 are put together as an intermediate wiring member and inserted into separate tubular portions 512.
  • the plurality of tubular portions 512 are connected via the connecting portion 514 on the power signal distribution device 30 side.
  • the plurality of tubular portions 512 are separated on the distribution connector 40 side. Since the breaking line 516 is formed in the connecting portion 514, the plurality of tubular portions 512 can be easily separated on the distribution connector 40 side.
  • Such a form is suitable, for example, when a plurality of intermediate wiring members 50 are arranged along the same path halfway and are separately divided and arranged from the middle, as shown in FIG. It should be noted that a part of the plurality of tubular portions 512 may be cut so as to be shorter than the other tubular portions 512.
  • a plurality of intermediate wiring members 50 are inserted into separate tubular portions 512.
  • One end of the plurality of intermediate wiring members 50 is located relatively close to the power signal distribution device 30, and the other end is located relatively far away. Therefore, it is easy to obtain a form in which one end side of the plurality of intermediate wiring members 50 is combined into one and the other end side is separated.
  • the entire plurality of tubular portions 512 may be separated.
  • the protective member 510 can also be applied as a protective member for the wiring member between the distribution connector 40 and the plurality of second devices 18.
  • three or more tubular portions 512 may be connected via the connecting portion 514.
  • the protective member 510 is suitable as a protective member for the wiring systems 20, 120, and 220.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

Le but de la présente invention est de permettre le changement ou l'ajout d'un dispositif de connexion dans un véhicule à traiter facilement et de permettre la miniaturisation d'un dispositif de distribution de signal d'alimentation électrique autant que possible. Le présent système de câblage est pourvu : d'un dispositif de distribution de signal d'alimentation électrique qui fournit de multiples lignes de distribution à chacun d'un circuit d'alimentation électrique et d'un circuit de signal; un connecteur de distribution qui comprend une pluralité de parties de connecteur; et un élément de câblage intermédiaire qui comprend une ligne d'alimentation électrique intermédiaire et une ligne de signal intermédiaire. Dans le connecteur de distribution, le circuit d'alimentation électrique et le circuit de signal comprennent chacun des lignes distribuées à la pluralité de parties de connecteur. Une ligne de destination de distribution du circuit de source d'alimentation dans le dispositif de distribution de signal d'alimentation électrique et une ligne de source de distribution du circuit de source d'alimentation dans le connecteur de distribution sont connectées ensemble par l'intermédiaire de la ligne d'alimentation électrique intermédiaire. Une ligne de destination de distribution du circuit de signal dans le dispositif de distribution de signal d'alimentation électrique et une ligne de source de distribution du circuit de signal dans le connecteur de distribution sont connectées ensemble par l'intermédiaire de la ligne de signal intermédiaire.
PCT/JP2020/001864 2019-04-10 2020-01-21 Système de câblage et élément de protection WO2020208890A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-074521 2019-04-10
JP2019074521A JP2020172162A (ja) 2019-04-10 2019-04-10 配線システム及び保護部材

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WO2020208890A1 true WO2020208890A1 (fr) 2020-10-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023103615A (ja) * 2022-01-14 2023-07-27 株式会社オートネットワーク技術研究所 配線システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003323819A (ja) * 2002-04-30 2003-11-14 Fujikura Ltd フラットハーネス及びその製造方法
JP2014204464A (ja) * 2013-04-01 2014-10-27 住友電装株式会社 ワイヤハーネス分岐部の保護シートおよびワイヤハーネス
WO2017222058A1 (fr) * 2016-06-24 2017-12-28 矢崎総業株式会社 Structure de circuit de véhicule

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003323819A (ja) * 2002-04-30 2003-11-14 Fujikura Ltd フラットハーネス及びその製造方法
JP2014204464A (ja) * 2013-04-01 2014-10-27 住友電装株式会社 ワイヤハーネス分岐部の保護シートおよびワイヤハーネス
WO2017222058A1 (fr) * 2016-06-24 2017-12-28 矢崎総業株式会社 Structure de circuit de véhicule

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