Battery Pack Recess Structure for Top Wire Harness Routing
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Solution Overview
Problem
The layout and connection of wire outlets on the battery packs of new energy heavy-duty trucks are inefficient, occupying excessive space and hindering optimal space utilization.
Innovation Solution
A battery pack design with a wire outlet on the top and a recess structure that accommodates vehicle frame beams, allowing for compact installation and efficient harness routing, along with a routing space and fixed structures for enhanced connection and space utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wire outlets are located on both sides of the battery pack along the width direction, then connection with other components is enabled, but space utilization is reduced and harness layout becomes inefficient
Solution Approach 1:
The wire outlet is relocated from the lateral sides of the battery pack to the top surface, changing the spatial dimension of the connection interface. This dimensional shift allows the wire harness to route through the routing space above the battery pack rather than occupying lateral space, thereby improving both harness layout efficiency and overall space utilization.
2Reliability
If wire outlets are located on both sides of the battery pack, then electrical connection is achieved, but outer side space is occupied
Solution Approach 1:
The connection interface is moved from the lateral dimension to the vertical dimension by positioning the wire outlet on the top surface. This allows electrical connection to be maintained while freeing up the outer side spaces for other components or vehicle structure.
3Adaptability or versatility
If traditional wire outlet positioning is used, then connection functionality is provided, but overall space utilization rate is low
Solution Approach 1:
By repositioning the wire outlet to the top surface and utilizing the vertical routing space, the design maintains full connection functionality while optimizing the horizontal footprint and improving overall battery pack space utilization rate.
Solution Approach 2:
The top surface of the battery pack serves dual purposes: maintaining structural integrity and providing the wire outlet interface. The routing space above the battery pack serves multiple functions including wire harness routing, thermal management, and potential future component integration.
Data Source
AI summary
A battery pack includes a recess structure and a wire outlet. The recess structure is configured for accommodating a longitudinal beam of a vehicle frame. The wire outlet is formed at the top of the battery pack, and the wire outlet is configured for leading out a wire harness of the battery pack.