Wire Harness Drawing Creation Automating Branch Point Geometry

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

The existing methods for creating drawings of wire harnesses are time-consuming and labor-intensive, requiring manual effort and involving multiple steps to accurately depict the configuration of wire harnesses with branch points and branch lines.

Innovation Solution

A drawing creation method and device that acquire information about the path, branch points, connection targets, and wire lengths to automatically generate drawings of wire harnesses, simplifying the process and enabling accurate representation of wire harness configurations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If manual sketching and CAD drawing methods are used to create wire harness drawings, then the drawings can accurately represent wire harness configurations, but the creation process requires significant time and labor

Engineering Contradiction:

Improvedrawing accuracyVSAvoiddrawing creation time

Core Design Contradiction:

Manufacturing precisionVSLoss of time

Solution Approach 1:

The system performs preliminary actions by automatically calculating wire harness paths, branch points, and lengths using computer data before the actual drawing creation. This pre-computation of geometric information eliminates the need for manual measurements and sketching, directly resolving the contradiction by providing accurate drawing data without manual time investment

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The invention replaces the manual mechanical drawing process with an automated computer-based system. The drawing creation device uses software to automatically generate wire harness drawings from stored geometric data, substituting manual sketching and CAD operations with automated computational geometry processing, thereby eliminating time loss while maintaining drawing accuracy

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

Engineering Contradiction:

Improvedrawing accuracyVSAvoiddrawing creation ease

Core Design Contradiction:

Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The drawing creation device performs self-service by automatically generating wire harness drawings from pre-stored geometric data without requiring manual intervention. The system independently calculates paths, identifies branch points, and produces accurate drawings, making the manufacturing process easy while maintaining high drawing accuracy

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The invention replaces the labor-intensive manual drawing process with an automated computer-based system. The drawing creation device uses software to automatically generate wire harness drawings from stored geometric data, substituting manual sketching and CAD operations with automated computational geometry processing, thereby eliminating labor intensity while maintaining drawing accuracy

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If automated drawing creation from computer data is implemented, then the drawing creation process becomes efficient and fast, but the system complexity increases

Engineering Contradiction:

Improvedrawing creation speedVSAvoidsystem complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The drawing creation device leverages the universal capabilities of existing computer systems and wire harness design software to perform automated drawing creation. By utilizing multi-functional software that can store geometric data, calculate paths, and generate drawings, the system achieves high productivity without requiring separate dedicated hardware for each function, thereby limiting the increase in system complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS11688531B2Drawing creation method, wire harness manufacturing method, and drawing creation device

Publication Date: 2023.06.27 PROTERIAL LTD

AI summary

Provided are a drawing creation method, a wire harness manufacturing method, and a drawing creation device. A drawing showing a wire harness is created by the drawing creation method. The wire harness is configured with wires bundled together. The wire harness includes wire branch points and branch lines. The drawing is created based on information including following (1) to (3) and at least one of following (4) or (5): (1) a path of the wire harness in a movable body, (2) a distance between path branch points where the path branches, (3) a length from each path branch point to a corresponding connection target of the wire harness, (4) identification information of the connection target of the wire harness, (5) identification information of the connection target of each wire. The drawing reflects a distance between the wire branch points and a length of each branch line.