Conductive Housing and Partition for Electronic Module EMC Protection

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Solution Overview

Problem

Existing electronic modules in vehicles face challenges in efficiently reducing the space and cost associated with electromagnetic protection for electronic cards.

Innovation Solution

The electronic module incorporates a housing and a protective partition made of electrically conductive materials, secured together with at least one securing element that provides electrical contact between the housing, protective partition, and the electronic card's ground, forming an electromagnetic protective enclosure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional electromagnetic protection methods are used, then electromagnetic shielding is achieved, but space consumption increases and production costs increase

Engineering Contradiction:

Improveelectromagnetic protectionVSAvoidspace dedicated to electromagnetic protection

Core Design Contradiction:

ReliabilityVSVolume of moving object

Solution Approach 1:

The patent merges the electromagnetic shielding function with the housing structure by making the housing itself electrically conductive and integrating the grounding function into the same structure, eliminating the need for separate shielding materials and reducing overall space consumption

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The housing is designed to serve multiple functions simultaneously: it provides mechanical protection, electromagnetic shielding, and electrical grounding through its conductive material construction and integrated contact areas, thereby reducing the need for additional dedicated components

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If traditional electromagnetic protection methods are used, then electromagnetic shielding is achieved, but production costs increase

Engineering Contradiction:

Improveelectromagnetic protectionVSAvoidproduction costs

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent combines multiple protection functions into a single housing structure, reducing the number of components and assembly steps required, which directly lowers production costs while maintaining electromagnetic protection effectiveness

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The housing is constructed from uniformly conductive material throughout, eliminating the need for complex multi-material assemblies or additional shielding layers, thereby simplifying manufacturing processes and reducing production costs

Inventive Principle:

Principle #33Homogeneity

3Volume of moving object

If conductive housing and partition are used with securing elements, then space is reduced and costs are decreased, but electrical contact and grounding must be ensured

Engineering Contradiction:

Improvespace for electromagnetic protectionVSAvoidelectrical contact and grounding requirements

Core Design Contradiction:

Volume of moving objectVSDevice complexity

Solution Approach 1:

The housing structure incorporates self-grounding capabilities through integrated contact areas that automatically establish electrical connection with the electronic card when assembled, eliminating the need for separate grounding wires or complex grounding mechanisms

Inventive Principle:

Principle #25Self-service

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 configuration effectively reduces the space required for electromagnetic protection, decreases production costs, and provides comprehensive protection against electromagnetic disturbances for both the electronic card and the external environment.

Implementation Method 1

at least one securing element comprises an electrical contact area, and also assures an electrical contact between the housing, the protective partition and an electrical ground of the electronic card

Methodology Applied

Scientific EffectElectrical conduction: Conduction (electrical)

Data Source

PatentUS20250176150A1Electronic module comprising an electronic card, a housing and a protective partition

Publication Date: 2025.05.29 VALEO EAUTOMOTIVE GERMANY GMBH

AI summary

An electronic module includes an electronic card, a housing in which the electronic card is placed, a protective partition which is secured on the housing and the electronic card such that the electronic card is engaged between the housing and the protective partition, and at least one securing element designed to render the electronic card, the housing and the protective partition integral. The housing and the protective partition are made of electrically conductive materials and secured together with the protective partition by the at least one securing element. At least one securing element includes an area of electrical contact, and assures an electrical contact between the housing, the protective partition and an electrical ground of the electronic card.