Wire Harness Heat Dissipation Using a Directional Conductive Sheet
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Solution Overview
Problem
Existing heat dissipation structures for high-voltage wire harnesses in vehicles require complex manufacturing processes and are not versatile enough to efficiently dissipate heat while maintaining simplicity.
Innovation Solution
A heat dissipation structure that interposes a heat conductive member, such as a flexible heat conductive sheet, between the wire harness and the heat dissipation body, allowing for efficient heat conduction in a specific direction without altering the existing shapes of the wire harness or heat dissipation body, thereby improving versatility and heat dissipation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a groove-shaped fitting portion is processed into the metal pipe to achieve close contact with the wire harness, then heat dissipation efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
A heat conductive member is introduced as an intermediary between the wire harness and the metal pipe. This member has a first contact surface that contacts the wire harness and a second contact surface that contacts the inner peripheral surface of the metal pipe, facilitating heat transfer without requiring complex groove processing of the pipe itself.
Solution Approach 2:
The heat conductive member is configured as a flexible sheet that can conform to the outer peripheral shape of the wire harness. This flexibility allows the sheet to maintain close contact with the wire harness surface, ensuring efficient heat conduction without requiring rigid structural modifications to the pipe.
2Temperature
If the metal pipe is processed into a specific shape for heat dissipation, then heat conduction is improved, but versatility decreases
Solution Approach 1:
The heat conductive member serves multiple functions: it acts as a heat conduction path, conforms to different wire harness shapes, and interfaces with standard metal pipes. This universal design allows the same component to be used across various applications without requiring custom-shaped pipes for each case.
Solution Approach 2:
The heat conductive member can be manufactured with varying thicknesses, thermal conductivities, and dimensional specifications to suit different heat dissipation requirements. By changing these parameters rather than the fundamental structure, the system maintains versatility while optimizing performance for specific applications.
3Temperature
If direct contact between wire harness and metal pipe is established, then heat dissipation is improved, but structural complexity increases
Solution Approach 1:
The heat conductive member serves as a mediator that enables heat transfer between the wire harness and metal pipe through thermal conduction. This intermediary approach simplifies the overall structure by eliminating the need for complex direct-contact mechanisms such as grooves, clips, or fastening structures.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enables effective heat dissipation while simplifying the structure and manufacturing process, allowing for efficient heat transfer to cooling pipes and tubular members, reducing costs and weight, and maintaining stable heat conduction.
Implementation Method 1
a heat conductive member whose heat conductivity is improved in a specific direction, wherein the wire harness and the heat dissipation body are pressed against each other with the heat conductive member sandwiched in between in the specific direction
Data Source
AI summary
A heat dissipation structure for a wire harness is configured to provide heat dissipation while achieving versatility using a simple structure. The heat dissipation structure for a wire harness includes wire harnesses, heat dissipation bodies with which the wire harnesses are in contact in a heat conductive manner, and a heat conductive member whose heat conductivity is improved in a specific direction. The wire harnesses and the heat dissipation bodies are pressed against each other with the heat conductive member sandwiched in between in the specific direction.