Monitoring Module Cooling Device With Insulating Heat Conductor

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Solution Overview

Problem

Existing monitoring system modules face challenges in effectively cooling heat-producing components while minimizing electromagnetic field intensification and reducing production costs.

Innovation Solution

A module with a cooling device comprising a metallic and insulating heat-conducting element, where the insulating element is thermally conductive but electrically insulating, and the metallic element has a free area to prevent electromagnetic coupling, enhancing heat dissipation and enlarging the heat-emitting surface.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If a metallic cooling device is used to cool heat-producing components, then cooling power is improved, but electromagnetic field intensification occurs

Engineering Contradiction:
Improvecooling powerVSAvoidelectromagnetic field intensification
Core Design Contradiction:
TemperatureVSObject-generated harmful factors

Solution Approach 1:

The cooling device is divided into multiple metallic heat-conducting elements with individual free areas, segmenting the continuous metallic structure to reduce electromagnetic coupling while maintaining thermal conduction paths

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Free areas are extracted from the metallic heat-conducting elements, creating material-free zones that prevent electromagnetic field intensification while the remaining metallic portions continue to conduct heat effectively

Inventive Principle:
Principle #2Taking out (Extraction)

2Temperature

If the heat-emitting surface is enlarged to improve cooling, then cooling efficiency is improved, but device complexity increases

Engineering Contradiction:
Improvecooling efficiencyVSAvoiddevice complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The metallic heat-conducting elements serve dual functions: they conduct heat away from power components and their free areas simultaneously prevent electromagnetic field intensification, eliminating the need for separate electromagnetic shielding structures

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The cooling device combines metallic heat-conducting elements with insulating heat-conducting elements to create a composite structure that provides both thermal conduction and electromagnetic field management in a single integrated component

Inventive Principle:
Principle #40Composite materials

3Temperature

If conventional cooling devices are used, then cooling function is provided, but production costs increase

Engineering Contradiction:
Improvecooling functionVSAvoidproduction costs
Core Design Contradiction:
TemperatureVSEase of manufacture

Solution Approach 1:

The metallic heat-conducting elements perform multiple functions (heat conduction and electromagnetic field prevention) simultaneously, reducing the total component count and assembly complexity, which lowers production costs

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The cooling device merges thermal management and electromagnetic field management functions into a single integrated structure, eliminating the need for separate cooling components and electromagnetic shielding elements

Inventive Principle:
Principle #5Merging (Combining)

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

The solution effectively reduces electromagnetic field intensification, improves cooling power, and lowers production costs by using a combination of heat-conducting elements to dissipate thermal energy efficiently.

Implementation Method 1

The insulating heat-conducting element is coupled thermally to the electromagnetic radiating component and to the metallic heat-conducting element, so that a transfer of heat between the insulating heat-conducting element, the electromagnetic radiating component and the metallic heat-conducting element is implemented

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

The cooling device is used to dissipate the thermal energy to the surroundings, wherein the thermal energy is in particular dissipated to the surroundings via thermal radiation and/or convection

Methodology Applied
Scientific EffectThermal radiation: Thermal Radiation

Implementation Method 3

The cooling device is used to dissipate the thermal energy to the surroundings, wherein the thermal energy is in particular dissipated to the surroundings via thermal radiation and/or convection

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 4

the metallic element has a free area to prevent electromagnetic coupling, enhancing heat dissipation and enlarging the heat-emitting surface

Methodology Applied
Scientific EffectElectromagnetic coupling: Electromagnetic Induction

Implementation Method 5

The insulating heat-conducting element is coupled thermally to the electromagnetic radiating component and to the metallic heat-conducting element, so that a transfer of heat between the insulating heat-conducting element, the electromagnetic radiating component and the metallic heat-conducting element is implemented

Methodology Applied
Scientific EffectHeat conduction: Conduction (thermal)

Data Source

PatentEP3570647B1Module for a monitoring system and monitoring system having the module
Publication Date: 2022.04.13 ROBERT BOSCH GMBH
  • EP3570647B1 patent drawingFigure 1~2
  • EP3570647B1 patent drawingFigure 3

AI summary

The invention proposes a module 4, having a main circuit board 7, wherein the main circuit board 7 has a printed circuit board 8 and at least one electromagnetic radiating component 9, wherein the electromagnetic radiating component 9 is arranged on the printed circuit board 8 and being contacted via at least one conductor track, having a cooling device 12 for cooling the electromagnetic radiating component 9, wherein the cooling device 12 being coupled thermally to the electromagnetic radiating component 9, so that a transfer of heat between the cooling device 12 and the electromagnetic radiating component 9 is implemented, wherein the cooling device 12 has at least one metallic heat-conducting element 13 and an insulating heat-conducting element 14, wherein the metallic heat-conducting element 13 has a free area 15, wherein the electromagnetic radiating component 9 and the insulating heat-conducting element 14 is arranged at least in sections in the free area 15, wherein the electromagnetic radiating component 9 is coupled thermally to the metallic heat-conducting element 13 via the insulating heat-conducting element 14, so that an electromagnetic coupling path between the metallic heat-conducting element 13 and the electromagnetic radiating component 9 is reduced.