Battery Box Top Surface Layout for Vertical Load Transfer
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Solution Overview
Problem
The connection of a battery box to a vehicle body results in stress in multiple directions, reducing the rigidity and lateral squeezing resistance of the vehicle.
Innovation Solution
A battery box design with a top surface divided into a first region, a sealing region, and a second region, where the sealing region surrounds the first region and is coplanar with it, allowing a sealing member to be mounted, and a hanging portion in the second region for connection to an external device, ensuring that stress points are aligned vertically to reduce lateral structural stress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the battery box is mounted to the vehicle body, then the battery can be securely connected to the vehicle, but the rigidity and lateral squeezing resistance of the vehicle are reduced due to stress in multiple directions
Solution Approach 1:
The top surface of the battery box is divided into three distinct regions: a first region for hanging portions, a sealing region surrounding the first region, and a second region for additional mounting. This segmentation allows different areas to bear different types of loads, with the hanging portions concentrating vertical stress and the sealing region providing lateral support, thereby maintaining both connection reliability and vehicle rigidity
Solution Approach 2:
The sealing region is designed with specific local properties - it surrounds the first region and is configured to mount a sealing member that contacts the external device. This local quality enhancement at the sealing region provides targeted lateral support exactly where needed, preventing stress distribution that would compromise overall vehicle rigidity while ensuring secure connection
2Stability of the object's composition
If the sealing region and second region are coplanar, then the hanging stress points are aligned in the same plane at the same height, but the structural complexity increases
Solution Approach 1:
The sealing region and second region are designed to be coplanar, creating an equipotential surface at the top of the battery box. This ensures that all hanging stress points from hanging portions are located in the same plane at the same height, distributing vertical loads uniformly across the mounting interface with the external device, which improves stability without requiring complex three-dimensional stress management structures
Data Source
AI summary
The present application relates to a box, a battery and an electrical apparatus. The box is provided with an accommodating cavity for accommodating a battery cell, and a top surface facing away from the accommodating cavity. The top surface of the box is provided with a first region, a second region and a sealing region between the first region and the second region, the sealing region surrounds the first region, the sealing region is configured to mount a sealing member, the second region is configured with a hanging portion, and the battery is mounted to an external device via the hanging portion such that the sealing member is in contact with the external device. The sealing region and the second region (hb) are coplanar.