EP0507225A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Electrical wiring harness structure for vehicle
Assignee: Mazda Motor Corp
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Filing: 1992-03-27
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Granted: —
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Expires: 2012-03-27
Abstract
Abstract An electrical wiring harness structure for constituting a multiplex transmission network in a vehicle, in which a vehicle body is divided into a plurality of blocks, electrical components are mounted in units of blocks to constitute modules, and thereafter, the modules are combined to complete a vehicle body, includes control nodes (32, 36, 48, 54, 68, 76a, 76b, 82a, 82b, 94, 98a, 98b, 112, etc.), arranged in units of modules, for controlling communications of the electrical components mounted on the corresponding modules, wiring harnesses (42, 44, 62, 78a, 78b, 96a, 96b, etc), arranged between the adjacent modules, for forming a transmission path for performing communications among the control nodes, and connectors (40a, 40b, 64a - 64h, 86a - 86d, 104a - 104c, 116, etc.) for connecting the wiring harnesses and the control nodes.
Inventors
- 👤 Nobuyoshi Sugimoto
- 👤 Mitsuru Anma
- 👤 Hideaki Masui
- 👤 Osamu Michihira
- 👤 Seiji Hirano
- 👤 Masaaki Shimizu
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 15:52
CPC Classifications
B; B60; B60R; B60R16/00; B60R16/02; B60R16/0207
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
101 words
An electrical wiring harness structure for constituting a multiplex transmission network in a vehicle, in which a vehicle body is divided into a plurality of blocks, electrical components are mounted in units of blocks to constitute modules, and thereafter, the modules are combined to complete a vehicle body, comprising: block control nodes, arranged in units of modules, for controlling communications of the electrical components mounted on the corresponding modules; wiring harness, arranged between the adjacent modules, for forming a transmission path for performing communications among said block control nodes; and connectors for connecting said wiring harness and said block control nodes.
Claim 2
Dependent Claim
65 words
The structure according to claim 1, wherein said block control nodes are classified into main block control nodes connected to trunk wiring harness as main trunks of communication lines, and sub block control nodes connected to said main block control nodes, said main block control nodes having a function of branching the transmission path from said trunk wiring harness to said sub block control nodes.
Claim 3
Dependent Claim
28 words
The structure according to claim 1, wherein said vehicle body is divided into at least an engine room block, a passenger room block, and a luggage room block.
Claim 4
Dependent Claim
37 words
The structure according to claim 3, wherein a front end block on which electrical components located at a front portion of said vehicle body are mounted is connected to a front side of said engine room block.
Claim 5
Dependent Claim
28 words
The structure according to claim 2, wherein said vehicle body is divided into at least an engine room block, a passenger room block, and a luggage room block.
Claim 6
Dependent Claim
37 words
The structure according to claim 5, wherein a front end block on which electrical components located at a front portion of said vehicle body are mounted is connected to a front side of said engine room block.
Claim 7
Dependent Claim
63 words
The structure according to claim 5, wherein cowl nodes as said main block control nodes having a function of controlling communications among electrical components arranged in said engine room block, electrical components arranged in said passenger room block, and electrical components arranged behind said passenger room block are arranged at right and left portions, facing a passenger room, of said engine room block.
Claim 8
Dependent Claim
55 words
The structure according to claim 7, wherein each of said cowl nodes comprises a branch box for branching a communication line from the trunk wiring harness to the sub block control node, an ECU module for controlling communications among the electrical components, and a fuse box in which fuses of the electrical components are concentrated.
Claim 9
Dependent Claim
18 words
The structure according to claim 8, wherein said fuse box is detachable from each of said cowl node.
Claim 10
Dependent Claim
20 words
The structure according to claim 7, wherein said right and left cowl nodes are connected through a branch wiring harness.
Claim 11
Dependent Claim
17 words
The structure according to claim 10, wherein various electrical components are connected to said branch wiring harness.
Claim 12
Dependent Claim
15 words
The structure according to claim 11, wherein said branch wiring harness comprises a flat cable.
Claim 13
Dependent Claim
41 words
The structure according to claim 2, wherein said trunk wiring harness comprise a left trunk wiring harness arranged at the left side of said vehicle body, and a right trunk wiring harness arranged at the right side of said vehicle body.
Claim 14
Dependent Claim
17 words
The structure according to claim 13, wherein each of said trunk wiring harness comprises twisted pair wires.
Claim 15
Dependent Claim
100 words
The structure according to claim 13, wherein a plurality of pairs of the right and left main block control nodes are arranged in said vehicle body, the main block control nodes each constituting one node of each pair are connected through a branch wiring harness extending in a widthwise direction of said vehicle body, and the main block control nodes arranged at the left side of said vehicle body are connected through said left trunk wiring harness, and the main block control nodes arranged at the right side of said vehicle body are connected through said right trunk wiring harness.
Claim 16
Dependent Claim
42 words
The structure according to claim 5, wherein floor control nodes as said main block control nodes having a function of branching signal lines from said trunk wiring harness to door portions are arranged near door mounting portions in said passenger room block.
Claim 17
Dependent Claim
21 words
The structure according to claim 3, wherein a tail block is connected to a rear side of said luggage room block.
References Cited (Backward Citations)
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