Elastic Member Integrating ECU Shielding and Heat Dissipation

Solution Overview

Problem

The existing electronic brake systems require separate members for electromagnetic wave interception and heat dissipation, increasing manufacturing costs and complexity in the assembly structure between the electronic control unit (ECU), coil assembly, and hydraulic control unit (HCU).

Innovation Solution

An assembly structure featuring a coil assembly with a cylindrical bobbin and coil case, where an elastic member with different elastic forces contacts both the printed circuit board and the coil case, facilitating electromagnetic wave interception and heat dissipation through thermal conduction, reducing the need for multiple components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate members are provided for electromagnetic wave interception and heat dissipation, then electromagnetic interception and heat dissipation functions are achieved, but manufacturing costs increase and assembly structure complexity increases

Engineering Contradiction:

Improveelectromagnetic interception and heat dissipationVSAvoidassembly structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines electromagnetic wave interception and heat dissipation functions into a single integrated elastic member. This elastic member simultaneously serves as an electromagnetic shielding element and a thermal conduction path, eliminating the need for separate components and simplifying the assembly structure between the ECU and HCU.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The elastic member is designed to perform multiple functions: it provides electromagnetic shielding to intercept electromagnetic waves, conducts heat from the coil assembly to the HCU housing, and maintains mechanical contact between components. This multi-functional design reduces component count and assembly complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If separate members are provided for electromagnetic wave interception and heat dissipation, then electromagnetic interception and heat dissipation functions are achieved, but manufacturing costs increase

Engineering Contradiction:

Improveelectromagnetic interception and heat dissipationVSAvoidmanufacturing cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent combines electromagnetic wave interception and heat dissipation functions into a single integrated elastic member. This elastic member simultaneously serves as an electromagnetic shielding element and a thermal conduction path, eliminating the need for separate components and simplifying the assembly structure between the ECU and HCU.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The elastic member is designed to perform multiple functions: it provides electromagnetic shielding to intercept electromagnetic waves, conducts heat from the coil assembly to the HCU housing, and maintains mechanical contact between components. This multi-functional design reduces component count and assembly complexity.

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

This solution enhances electromagnetic wave interception and heat dissipation while reducing manufacturing costs and simplifying the assembly process, ensuring stable braking operations by integrating these functions with a single elastic member.

Implementation Method 1

heat dissipation through thermal conduction

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

a coil assembly provided with a wound coil to produce an electromagnetic field when electrical power is applied thereto

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS9022350B2Assembly structure of electronic control unit and coil assembly of solenoid valve for electronic brake system

Publication Date: 2015.05.05 HL MANDO CORP

AI summary

An assembly structure of an electronic control unit and a coil assembly of a solenoid valve for an electronic brake system connected to the electronic control unit having a printed circuit board and applying power to the solenoid valve. The coil assembly is penetrated to allow an upper portion of the solenoid valve to be fitted thereinto, and includes a cylindrical bobbin provided with a coil and a coil case. The electronic control unit is provided with a housing having an insertion groove and joined to the hydraulic control unit, the printed circuit board being disposed spaced apart from the coil assembly, and the housing is provided with an elastic member having one end contacting the printed circuit board and the other end contacting the coil case. The elastic member is configured with a coil spring to produce different elastic forces.