Vehicle ECU Cooling Manifold With Targeted Airflow Layout
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Solution Overview
Problem
Existing systems struggle to efficiently cool and ventilate multiple electrical control units in vehicles, especially in high-density configurations, leading to maintenance challenges and inefficiencies.
Innovation Solution
A system comprising an inlet manifold with a fan and air outlets that direct cool air flows directly to each electrical control unit, located outside the electrical center, facilitating easier maintenance and utilizing natural convection for airflow direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple electrical control units are lodged inside an electrical center behind the instrument panel, then the vehicle's performance and features are enhanced, but the heat generation inside the cab environment increases and cooling becomes difficult
Solution Approach 1:
The cooling system is segmented into multiple independent air outlets, each dedicated to cooling specific electrical control units. The inlet manifold divides the airflow into multiple channels, allowing targeted cooling of individual ECUs rather than attempting to cool all units collectively. This segmentation enables efficient heat dissipation from each control unit while maintaining the high-density configuration of electrical devices.
2Temperature
If a fan is integrated inside the electrical center to cool the control units, then cooling is provided, but the system complexity increases and maintenance becomes difficult
Solution Approach 1:
The fan is extracted from the electrical center and relocated to a position accessible from the exterior of the vehicle. The fan remains functionally connected to the electrical center through the inlet manifold and air outlets, but its physical relocation allows for easy maintenance and replacement without disassembling the electrical center. This extraction resolves the contradiction between providing effective cooling and maintaining ease of repair.
3Adaptability or versatility
If multiple electrical devices are present in the electrical center, then the vehicle's functionality is improved, but ventilating all of them efficiently becomes difficult
Solution Approach 1:
Each air outlet is designed with specific local qualities tailored to the cooling needs of its target electrical control unit. The air outlets are positioned and oriented to deliver cool air directly to the heat-generating components of specific ECUs. This local customization of airflow delivery ensures that each electrical device receives adequate cooling proportional to its heat generation, maintaining high cooling efficiency even with multiple devices present.
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
Enhances cooling efficiency, improves airflow control, and simplifies maintenance by ensuring each unit is directly targeted with cool air flows, while also allowing residual air to be used for windshield demisting or defrosting.
Implementation Method 1
a fan configured to suck an air from the vehicle into the air inlet and to drive the plurality of air flows
Implementation Method 2
each air flow of the plurality of air flows directly on one of the electrical control units or directly between two adjacent electrical control units
Data Source
AI summary
A system for refreshing a plurality of electrical control units of a vehicle, wherein the system comprises an inlet manifold comprising an air inlet and a plurality of air outlets, the inlet manifold further comprising an air duct configured to provide a plurality of air flows through the plurality of air outlets, so that each air flow of the plurality of air flows flows directly on one of the electrical control units or directly between two adjacent electrical control units of the plurality of electrical control units, the system further comprising a fan configured to suck air from the vehicle into the air inlet and to drive the plurality of air flows.