A-pillar Cooling Conduit Routing for Autonomous Vehicle Electronics
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Solution Overview
Problem
Conventional cooling systems for rooftop electronics in autonomous vehicles are inefficient and cost-prohibitive, failing to maintain electronic components within an acceptable temperature range, especially when exposed to sunlight and generating significant heat from operation.
Innovation Solution
An assembly and method for routing cooling conduits through the A-pillar of a vehicle, forming an independent cooling loop that connects an in-vehicle cooling system, such as a radiator, to the rooftop electronics assembly, using conduits that can be coincident with sunroof drains and including a pump and electronics cooler for efficient heat transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cooling systems are used for rooftop electronics, then the electronics can be cooled, but the systems are inefficient and cost-prohibitive
Solution Approach 1:
The patent combines the cooling conduit routing with the existing sunroof drain pathway, allowing cooling conduits to be installed through the same A-pillar opening that accommodates sunroof drains. This merging of functions eliminates the need for separate conduit installations, reducing manufacturing complexity and cost while maintaining effective cooling of rooftop electronics
Solution Approach 2:
The A-pillar structure is designed to serve multiple functions: it accommodates both sunroof drains and cooling conduits simultaneously. This multi-functionality allows the same structural pathway to handle both drainage and cooling fluid transport, simplifying the overall system architecture and reducing additional manufacturing steps
2Temperature
If dedicated cooling systems are installed within the electronics housing, then cooling can be provided, but the systems become complex and costly
Solution Approach 1:
The patent extracts the cooling function from the rooftop electronics housing itself and relocates it to the vehicle's main cooling system. By routing conduits from the radiator to the electronics, the cooling capability is separated from the electronics assembly, allowing the electronics housing to remain simple while still achieving effective temperature control
3Reliability
If cooling conduits are routed independently, then the cooling loop remains undisturbed by other cooling systems, but the installation complexity increases
Solution Approach 1:
The patent merges the independent cooling loop for rooftop electronics with the existing vehicle cooling system pathways. By utilizing the same A-pillar routing as sunroof drains, the system achieves independence in function (dedicated cooling for electronics) while sharing the physical pathway, thereby reducing installation complexity
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 manufacturing efficiency and cost-effectiveness while ensuring proper operation of rooftop electronics by maintaining them within a safe temperature range, independent of other conventional cooling systems.
Implementation Method 1
The cooling fluid is circulated through the conduits to absorb and transfer heat away from the rooftop electronics assembly
Implementation Method 2
The cooling fluid transfers heat away from the rooftop electronics assembly through thermal conduction as it flows through the electronics cooler
Data Source
AI summary
Heat exchangers, such as radiators, condensers, or other cooling systems, are provided in the present disclosure. Heat exchanging systems may include an assembly for routing cooling conduits from the heat exchanger, along or through one or more A-pillars of the vehicle, and to a rooftop electronics assembly, which may be used for performing self-driving functions when the vehicle is configured as an autonomous vehicle or the like. The conduit routing assembly enhances manufacturing efficiency and cost effectiveness as compared to conventional assemblies. According to one embodiment of the present disclosure, an assembly for cooling a rooftop electronics assembly of a vehicle may include one or more conduits configured to transport a cooling fluid between an in-vehicle cooling system and the rooftop electronics assembly, wherein the one or more conduits are disposed partially along an A-pillar of the vehicle.