Battery Pack Box Structure Without External Mounting Brackets
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Solution Overview
Problem
The existing battery pack designs require external mounting brackets for structural strength, leading to increased manufacturing costs and vehicle weight due to redundant reinforcing structures.
Innovation Solution
A battery pack design featuring a battery box with reinforcing members on its bottom surface, where side plates and end plates are stacked to form an accommodating cavity, enhancing structural strength without adding weight by using a stacking fit of side plates and reinforcing members, and hoisting members for secure mounting to a vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If external mounting brackets and high strength beams are arranged around the box body to guarantee structural strength, then the firm mounting to the finished vehicle is realized, but the weight of the battery pack and the finished vehicle increases
Solution Approach 1:
The patent merges the mounting bracket function with the battery pack box body by integrating reinforcing beams into the box body structure. The reinforcing beams are arranged at the bottom of the box body and extend along the length direction, combining the structural support function with the mounting function, thereby eliminating the need for separate external mounting brackets and reducing overall weight.
Solution Approach 2:
The box body is designed to serve multiple functions: it not only contains the battery modules but also provides structural reinforcement through integrated beams and acts as a mounting structure for the vehicle. The reinforcing beams and side walls of the box body collectively provide both structural strength and mounting capability, making the box body a multi-functional component.
2Strength
If external mounting brackets and high strength beams are arranged around the box body to guarantee structural strength, then the firm mounting to the finished vehicle is realized, but the manufacturing cost increases
Solution Approach 1:
The patent merges the mounting bracket function with the battery pack box body by integrating reinforcing beams into the box body structure. The reinforcing beams are arranged at the bottom of the box body and extend along the length direction, combining the structural support function with the mounting function, thereby eliminating the need for separate external mounting brackets and reducing overall weight.
Solution Approach 2:
The box body is designed to serve multiple functions: it not only contains the battery modules but also provides structural reinforcement through integrated beams and acts as a mounting structure for the vehicle. The reinforcing beams and side walls of the box body collectively provide both structural strength and mounting capability, making the box body a multi-functional component.
Data Source
AI summary
The application provides a battery pack and a vehicle. The battery pack includes a battery box, reinforcing members being arranged on a bottom surface of the battery box; and at least one battery unit, located in the battery box. The battery unit includes: end plates; side plates, the side plates and the end plates being connected end to end in sequence to define an accommodating cavity, and the side plates being stacked on the reinforcing members in a height direction of the battery box; and a plurality of battery cores, located in the accommodating cavity.