Redundant Brake Control Housing Layout for Electrical Continuity
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Solution Overview
Problem
The risk of fatal accidents due to failures in electrical/electronic systems or power supply in vehicles with electronic control systems is a significant concern, particularly in brake-by-wire and steering-by-wire systems.
Innovation Solution
An electronic control apparatus with redundant components, including first and second housings, pins, printed circuit boards, and conductive connection members, ensuring electrical connectivity and redundancy in the event of component failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If electronic control systems are implemented in vehicles, then vehicle control precision and automation are improved, but system reliability deteriorates due to potential electrical/electronic failures
Solution Approach 1:
The electronic control apparatus is divided into two independent housings (first housing and second housing), each containing separate electronic control units. This segmentation allows the system to maintain functionality even if one housing fails, thereby improving reliability while preserving automation capability.
Solution Approach 2:
The patent implements redundant electronic control units in advance, where the second housing serves as a backup for the first housing. This beforehand cushioning ensures that if the primary control system fails, the redundant system can immediately take over, maintaining system reliability without reducing automation extent.
2Reliability
If redundant components are added to ensure system reliability, then system reliability is improved, but device complexity increases
Solution Approach 1:
The first housing is provided on the second housing, with at least a portion of the first housing overlapping the second housing. This nested arrangement allows redundant components to be compactly integrated without significantly increasing the overall device volume or complexity, while still providing the necessary redundancy for improved reliability.
Solution Approach 2:
The patent combines the redundant electronic control units into a single integrated apparatus with shared housing structures and connection members. By merging the redundant components into one unified device rather than separate units, the overall device complexity is reduced while maintaining the reliability benefits of redundancy.
3Reliability
If conductive connection members are used to connect redundant units, then electrical connectivity and redundancy are maintained, but manufacturing complexity increases
Solution Approach 1:
A conductive connection member is introduced as an intermediary component to establish electrical connections between the first and second housings. This standardized intermediary component simplifies the manufacturing process by providing a clear, repeatable connection method between redundant units, reducing manufacturing complexity while ensuring reliable electrical connectivity.
Data Source
AI summary
An electronic control apparatus may include: a first housing that forms a first accommodating space; a second housing that forms a second accommodating space different from the first accommodating space; a conductive first pin that penetrates through the first housing and is fixed to the first housing; a conductive second pin that penetrates through the second housing and is fixed to the second housing; a conductive connection member that electrically connects the second pin to the first pin; a first printed circuit board that is provided in the first accommodating space, has a first through hole into which the first pin is inserted, and is electrically connected to the first pin; and a second printed circuit board that is provided in the second accommodating space, has a second through hole into which the second pin is inserted, and is electrically connected to the second pin.