Spring-Biased Button Cell Battery Stack Orientation
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Solution Overview
Problem
Existing designs for electronic devices using stacked button cell batteries face challenges in maintaining proper orientation and ease of replacement, leading to inoperability and complex battery access mechanisms.
Innovation Solution
A cylindrical housing with a battery casing that uses springs to maintain concentrically stacked button cell batteries in a proper orientation, allowing for easy access and replacement, and integrates an electronics module powered by the battery stack with a secondary object attachment and activation button.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If button cell batteries are stacked in a battery well, then power supply is achieved, but the batteries cannot be properly oriented and become inoperable
Solution Approach 1:
The spring mechanism automatically orients the button cell batteries in the correct configuration when inserted into the battery well, eliminating the need for manual orientation adjustment. The spring applies force to ensure proper stacking and contact, making the battery insertion process self-correcting and reliable.
2Reliability
If complex battery compartments are designed to hold stacked button cell batteries, then proper orientation is maintained, but battery replacement becomes difficult
Solution Approach 1:
The battery compartment is designed as a separate, removable assembly that can be independently accessed and replaced. This segmentation allows the battery stack to be easily removed and replaced as a unit without disassembling the entire device, maintaining proper orientation while simplifying battery replacement.
Solution Approach 2:
The battery compartment is extracted as a separate serviceable component with access panels that can be removed to expose the battery stack. This extraction allows users to easily access, remove, and replace batteries without complex disassembly procedures, while the compartment structure itself maintains the proper stacking orientation.
3Reliability
If button cell batteries are factory packed in a sealed housing, then proper orientation is ensured, but battery replacement and recycling are prevented
Solution Approach 1:
The battery housing transitions from a static sealed structure to a dynamic design with removable access panels. This allows the housing to be opened for battery replacement and recycling while maintaining the structured orientation of the battery stack during normal operation. The housing adapts between closed protective state and open serviceable state.
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
Enables easy installation, removal, and replacement of button cell batteries while ensuring proper orientation, enhancing user convenience and environmental responsibility by simplifying battery access and disposal.
Implementation Method 1
A spring extends from the electronics module into the battery casing and biases the button cell batteries into a stacked configuration
Data Source
AI summary
An electronic assembly that produces audile signals, such as prerecorded phrases, when activated. The electronics assembly is part of a secondary device, such as a pen, utensil, jewelry, or similar small object. The electronics assembly includes a housing having a first end and an opposite second end. A battery casing is disposed within the housing. The battery casing is sized to retain a plurality of concentrically stacked button cell batteries. An electronics module is provided within the housing for producing audible signals. A spring extends from the electronics module into the battery casing and biases the button cell batteries into a stacked configuration. The electronics module is powered, in part, by electricity flow through said spring from the button cell batteries.