Secondary Battery Tray with Load-Actuated Side Pressing
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Solution Overview
Problem
Secondary batteries are prone to damage due to movement or external impacts, which cause the sealing part to collide with the tray's sidewall, leading to damage.
Innovation Solution
A tray design with an accommodation part and a pressing part that includes a foldable surface and a pressing surface, which presses the secondary battery's side portion to secure it firmly, preventing collisions and damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the tray uses a simple accommodation groove structure, then the device complexity is reduced and ease of manufacture is improved, but the secondary battery moves due to movement or external impact, causing the sealing part to collide with the sidewall surface
Solution Approach 1:
The pressing part is designed to be movable rather than fixed, allowing it to dynamically adjust its position. When a tray is placed on top, the pressing part descends under the load to press the secondary battery firmly, preventing movement. When the load is removed, the pressing part returns to its original position, allowing easy battery removal. This dynamic mechanism resolves the contradiction by providing strong fixing force when needed while maintaining simple structure otherwise.
Solution Approach 2:
The pressing part utilizes the weight of the tray placed on top as the pressing force, rather than requiring external actuators or complex mechanisms. The system self-regulates the pressing force based on the applied load, automatically adjusting to secure the battery firmly without additional complexity. This self-service approach maintains ease of manufacture while achieving reliable battery fixation.
2Device complexity
If the tray structure is simplified without a pressing mechanism, then the device complexity is reduced, but the secondary battery cannot be firmly fixed and may move during transport
Solution Approach 1:
The pressing part transitions from a static structure to a dynamic one that automatically adjusts based on applied load. The movable pressing part descends when a tray is placed on top, creating firm contact with the secondary battery to prevent movement. This dynamic adjustment provides high fixing stability during transport while keeping the overall device structure relatively simple.
Solution Approach 2:
The pressing part counteracts the forces that cause battery movement by using the weight of the upper tray as a counterbalancing force. The downward pressure from the upper tray's weight is converted into a stabilizing force that presses the battery firmly against the bottom surface, preventing displacement during transport and maintaining composition stability.
3Reliability
If a pressing mechanism is added to fix the secondary battery firmly, then the fixing force is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The pressing mechanism is designed to be self-actuating, using the weight of the tray placed on top as the driving force. No external motors, sensors, or control systems are needed - the system automatically generates the necessary pressing force through the applied load. This self-service approach provides reliable fixing force while avoiding the complexity of active control mechanisms.
Solution Approach 2:
The pressing function is extracted as a separate, simple movable component rather than being integrated into a complex fixed structure. The pressing part can be independently designed and manufactured as a simple element that moves vertically, separating the pressing function from the overall tray structure. This extraction reduces device complexity while maintaining effective fixing force.
4Reliability
If the pressing part is made movable to press the secondary battery, then the fixing force is improved, but the manufacturing precision and assembly difficulty increase
Solution Approach 1:
The tray structure is segmented into distinct functional parts: the accommodation groove, the movable pressing part, and the connection portion with the folding groove. Each segment can be independently manufactured and assembled. The folding groove acts as a simple guide that defines the pressing part's movement path, reducing the need for high-precision manufacturing while ensuring proper function through geometric constraints.
Solution Approach 2:
The pressing part's movement is constrained to a single vertical dimension through the folding groove guide, simplifying the manufacturing requirements. Instead of requiring precise positioning in multiple dimensions, the design uses a one-dimensional movement path defined by the groove geometry. This dimensional simplification reduces manufacturing precision requirements while maintaining effective pressing function.
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 tray effectively fixes the secondary battery, preventing damage from movement or external impacts, while maintaining convenience and efficiency in use, and allowing for uniform product standards and stable assembly processes.
Implementation Method 1
a pressing part configured to press a side portion of the secondary battery while descending to the bottom surface and moving to the secondary battery due to a load of the tray loaded on an upper end to fix the secondary battery
Data Source
AI summary
The present invention relates to a tray for a secondary battery, which comprises: an accommodation part having a bottom surface, on which the secondary battery is disposed, and a side surface provided along an edge of the bottom surface to accommodate the secondary battery; and a pressing part configured to press a side portion of the secondary battery while descending to the bottom surface and moving to the secondary battery due to a load of the tray loaded on an upper end to fix the secondary battery.