Battery Box Locking Mechanism for Seal-Break Pressure Relief
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Solution Overview
Problem
Existing battery technologies face challenges in effectively relieving internal pressure, which poses significant safety risks due to limited pressure relief mechanisms and restricted installation space, leading to inefficient pressure relief and potential safety hazards.
Innovation Solution
A first locking mechanism is introduced that seals and connects the interfaces of a battery box, actuating to break away from the sealed state when internal pressure exceeds a preset value, allowing for efficient pressure relief without occupying additional installation space, utilizing an elastic element and supporting member to facilitate deformation and guide the pressure relief process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pressure relief mechanism is arranged on the box of the battery, then the pressure relief ability is improved, but the installation space is occupied and the structure becomes more complex
Solution Approach 1:
The locking mechanism is designed to perform dual functions: normal locking/sealing of the battery box and pressure relief when internal pressure exceeds preset values. By merging the pressure relief function into the existing locking mechanism, the patent avoids adding separate pressure relief components, thereby improving pressure relief ability while maintaining structural simplicity and avoiding additional installation space requirements
Solution Approach 2:
The locking mechanism is transformed into a multi-functional component that serves both as a sealing element during normal operation and as a pressure relief mechanism when needed. The locking components are designed to break away from the sealed state under excessive internal pressure, enabling the same structure to perform multiple functions without increasing device complexity
2Reliability
If a pressure relief mechanism is arranged on the box of the battery, then the pressure relief ability is improved, but the installation space is occupied
Solution Approach 1:
The pressure relief function is integrated into the locking mechanism structure, eliminating the need for separate pressure relief components and their associated installation space. The locking components themselves serve as the pressure relief elements, utilizing existing structural space rather than requiring additional installation areas on the battery box
Solution Approach 2:
The locking mechanism is designed to perform both sealing and pressure relief functions using the same structural components. This multi-functionality allows the system to achieve pressure relief capability without occupying additional installation space, as the same components that provide locking also provide pressure relief when activated
3Productivity
If the locking mechanism is actuated to relieve pressure, then the pressure relief efficiency is improved, but the sealing state is broken
Solution Approach 1:
The locking mechanism is designed with dynamic characteristics that allow it to transition between locked (sealed) and unlocked (pressure relief) states based on internal pressure conditions. The elastic elements and locking components are configured to automatically respond to pressure changes, providing fast pressure relief when needed while maintaining sealing during normal operation
Solution Approach 2:
The system utilizes pressure as a control parameter to trigger the transition between sealed and pressure relief states. When internal pressure exceeds preset values, the pressure itself acts as the actuating force to break the locking mechanism's sealed state, enabling automatic and efficient pressure relief without requiring external control signals
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enhances the pressure relief ability of batteries, reduces safety risks, and maintains a sealed environment, enabling faster and more effective discharge of internal pressure while allowing the battery to continue operating safely.
Implementation Method 1
the elastic element is configured to generate elastic deformation when the internal pressure of the chamber exceeds a preset value, so that the first interface and the second interface break away from the sealed state
Data Source
AI summary
The present application provides a box of a battery, a battery, and a power consumption device. The box includes: a first component, including a first interface; a second component, configured to connect with the first component to form a chamber, the second component including a second interface, the second interface being configured to be arranged opposite to the first interface; a first locking mechanism, configured to lock the first component and the second component, so that the first interface and the second interface are sealed and connected; the first locking mechanism is configured to be actuated when an internal pressure of a chamber exceeds a preset value, so that the first interface and the second interface break away from a sealed state to relieve the internal pressure of the chamber. The pressure relief ability of the battery can be improved, and the safety of the battery can be enhanced.