Line-Integrated Switch for Automotive Flat Conductors
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Solution Overview
Problem
Current automotive systems lack a compact and efficient method to switch electrical branches connected to flat conductors, such as backbone cables, which are commonly used in vehicle electrical systems, limiting flexibility and safety in energy management.
Innovation Solution
A line-integrated switch is developed using two flat parts with an overlapping region, where a semiconductor switch is positioned between them to enable switching, allowing for flexible distribution and control of electrical connections, particularly suitable for automotive applications like battery lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional permanent connections are used for flat conductors in automotive systems, then structural simplicity is maintained, but switching capability and flexibility in energy management are lost
Solution Approach 1:
The patent combines the flat conductor and semiconductor switch into a single integrated component. The semiconductor switch is positioned between two flat conductors in an overlapping region, creating a unified structure that provides both current conduction and switching functionality, eliminating the need for separate switching devices while maintaining structural simplicity.
Solution Approach 2:
The patent transitions from traditional three-dimensional wire connections to a two-dimensional flat conductor configuration. The flat conductors are arranged in overlapping regions with longitudinal axes intersecting at angles (preferably right angles), enabling compact integration of multiple connection paths in a planar geometry that facilitates switching while reducing spatial requirements.
2Power
If flat conductors are used to carry high currents, then current carrying capacity is improved, but the ability to switch branches becomes limited
Solution Approach 1:
The patent segments the flat conductor into multiple overlapping regions, each containing a semiconductor switch. This segmentation allows independent control of different current paths while maintaining the high current carrying capacity of the flat conductor structure. Each overlapping region functions as an independently switchable branch.
Solution Approach 2:
The semiconductor switch acts as an intermediary element positioned between the flat conductors in the overlapping region. It mediates the connection between conductors, enabling controlled current flow while preserving the high power handling capability of the flat conductor design. The switch contact interfaces with both flat conductors to provide switching functionality.
3Adaptability or versatility
If semiconductor switches are integrated between flat parts, then switching functionality is achieved, but manufacturing complexity increases
Solution Approach 1:
The patent incorporates the semiconductor switch into the flat conductor structure during the manufacturing process itself, rather than assembling it separately afterward. The switch is positioned in the overlapping region and electrically connected to both flat conductors through contact regions, creating an integrated component that simplifies final assembly while enabling switching functionality.
Solution Approach 2:
The flat conductor structure serves multiple functions: it provides current conduction paths, defines the switching location through overlapping regions, and integrates the semiconductor switch. This multi-functionality reduces the number of separate components needed and simplifies the overall manufacturing process while maintaining switching capability.
Data Source
AI summary
Line-integrated switch having at least a first metal flat part 2, at least a second metal flat part 8, wherein the flat parts are arranged in an overlapping region with the wide sides thereof one above the other and in the overlapping region a semi-conductor switch 18 is arranged between the flat parts 2, 8 so as to connect the flat parts 2, 8 to each other in a switching manner. A simple construction is possible in that at least in the overlapping region a first of the flat parts 2, at a side facing the second of the flat parts 8, is coated at least partially with an insulation, wherein a recess is provided in the insulation in a contact region 10 and the semi-conductor switch 18 in the contact region 10 is electrically contacted with the flat part 8.