Vehicle Controller Cover With Moisture Blocking and Forced Cooling

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Solution Overview

Problem

Vehicles face issues with moisture ingress through channels formed for fan convection, which can damage internal components and compromise heat dissipation performance.

Innovation Solution

A moisture-blocking cover is integrated with heat dissipation fins to prevent moisture ingress while enhancing convection flow speed, using channel cross-sections and drain grooves to manage moisture flow and improve heat dissipation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If channels are formed for fan convection, then heat dissipation performance is improved, but moisture ingress occurs

Engineering Contradiction:

Improveheat dissipation performanceVSAvoidmoisture ingress

Core Design Contradiction:

TemperatureVSObject-affected harmful factors

Solution Approach 1:

The cover is divided into two functional parts: a moisture blocking cover that prevents moisture ingress and heat dissipation fins that enable convection. This segmentation allows each part to specialize in its function without compromising the other.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different regions of the cover have different properties: the moisture blocking cover portion is designed to repel moisture while the heat dissipation fins portion is optimized for thermal convection. This local differentiation resolves the contradiction between moisture protection and heat dissipation.

Inventive Principle:

Principle #3Local quality

2Temperature

If a fan is applied to the upper end of a controller, then heat dissipation is improved, but the controller becomes vulnerable to moisture falling from above

Engineering Contradiction:

Improveheat dissipationVSAvoidmoisture vulnerability

Core Design Contradiction:

TemperatureVSObject-affected harmful factors

Solution Approach 1:

The moisture blocking cover is positioned at the upper end before moisture can fall onto the controller components. This preliminary protective action prevents moisture from reaching vulnerable areas while allowing the fan to continue its heat dissipation function.

Inventive Principle:

Principle #9Preliminary anti-action

Solution Approach 2:

The moisture blocking cover acts as an intermediary element between the external environment and the controller components. It mediates the conflict between needing open channels for fan convection and protecting against moisture by providing a selective barrier.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Productivity

If an open shape such as a hole is formed at a controller to ensure a channel of a fan, then forcible convection effect is maximized, but moisture flows inside from the outside

Engineering Contradiction:

Improveforcible convection effectVSAvoidmoisture flow

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The cover structure is segmented into moisture blocking and heat dissipation functions, allowing open channels for convection while preventing moisture ingress through the blocked cover portion.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The cover structure serves multiple functions simultaneously: it blocks moisture while allowing heat dissipation through convection channels. This multi-functionality resolves the contradiction between open channel requirements and moisture protection.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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

Prevents moisture from reaching PCBs, ensuring effective heat dissipation by increasing the flow speed of forcible convection, thereby protecting internal components and maintaining performance.

Implementation Method 1

a fan 14 that forcibly generates convection

Methodology Applied

Scientific EffectForcible convection: Forced Convection

Implementation Method 2

heat dissipation fins 22 formed in a predetermined area

Methodology Applied

Scientific EffectHeat conduction: Conduction (thermal)

Implementation Method 3

improve heat dissipation performance by increasing the flow speed of forcible convection

Methodology Applied

Scientific EffectConvection: Convection

Data Source

PatentUS20260068060A1Controlling Apparatus for Vehicle

Publication Date: 2026.03.05 HYUNDAI MOBIS CO LTD

AI summary

A controlling apparatus for a vehicle, comprising: a cover top disposed on an upper end of the controlling apparatus; a moisture blocking cover bolted to an upper portion of the cover top and primarily blocking moisture flowing inside from above the controlling apparatus; a main chassis disposed at a lower end of the cover top and formed to accommodate a PCB in the controlling apparatus; and a fan disposed on any one lateral surface of the main chassis and generating forcible convention in a first direction that is an opposite lateral direction, wherein the cover top has a drain groove having a moisture discharge path guiding moisture falling down to the PCB through the moisture blocking cover to a front and a rear of the controlling apparatus.