Battery Spacer With Trough-Like Receiving Areas For Vibration Resistance
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Solution Overview
Problem
Power batteries in new energy vehicles face challenges due to damage during assembly and usage, including friction between the electric core and battery shell, vibration-induced movement, and potential safety hazards such as broken current collectors and separator cockling, which compromise safety and reliability.
Innovation Solution
A battery spacer with a trough-like structure and tab passing area provides protection for the electric core, forming a frame-like assembly with side boards that reduces friction and sliding during assembly, enhances vibration resistance, and eliminates the need for adhesive tape, thereby safeguarding the core from damage and improving safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the electric core is formed by a plurality of layers of flexible members to achieve high capacity and volume, then the energy storage capability is improved, but the electric core becomes easy to damage during conveying and assembly
Solution Approach 1:
The patent applies beforehand cushioning by designing a protection assembly with buffer structures that are pre-installed around the electric core. These buffer structures include protruding portions that extend toward the battery shell, creating a protective cushion before any damage can occur during assembly or usage. The buffer structures absorb and distribute impact forces, preventing direct contact between the fragile electric core and the battery shell or other hard surfaces.
2Stability of the object's composition
If adhesive tape is used to secure the electric core to prevent movement during vibration, then the stability is improved, but the complexity of assembly and potential safety hazards increase
Solution Approach 1:
The patent applies the taking out principle by completely removing adhesive tape from the assembly process. Instead of using adhesive tape to secure the electric core, the design extracts this function and replaces it with a protection assembly that uses mechanical buffer structures and spatial constraints to prevent movement and secure the electric core during vibration and operation.
Solution Approach 2:
The protection assembly acts as an intermediary between the electric core and the battery shell. Rather than directly securing the electric core with adhesive tape, the buffer structures and protection assembly components serve as intermediaries that absorb vibrations, prevent direct contact, and maintain stability through mechanical means.
3Ease of operation
If the electric core is allowed to move freely in the shell during vibration and jolt, then the ease of assembly is improved, but the electric core becomes susceptible to damage from movement
Solution Approach 1:
The patent applies preliminary anti-action by designing buffer structures that preemptively counteract the harmful effects of vibration and jolt before they can cause damage. The protruding portions of the buffer structures are positioned to oppose and absorb impact forces, creating a preliminary protective action that prevents the electric core from moving freely and suffering damage during vibration and jolt.
Data Source
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AI summary
A battery spacer, a protection assembly for electric core and a power battery are provided. The battery spacer comprises a spacer body defining a space having a tab passing area and receiving areas adjacent to two ends of the tab passing area in a longitudinal direction of the spacer body, in which each receiving area has a trough-like structure surrounded by an end wall, two side walls and a top wall of the spacer body and the tab passing area, in which at least one tab aperture is formed in the tab passing area and penetrates the spacer body. The battery spacer protects the end of the electric core in the receiving area at both ends. The protection assembly forms a frame, provides good protection for the electrode during conveying, usage and production, and enhances the vibrating resistance and safety performance.