Rotatable Battery Compartment for Easy Loading in Dispensing Units
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Solution Overview
Problem
Existing battery compartments for electronically driven dispensing units are difficult to load, especially for users with limited dexterity or vision, due to spring-loaded mechanisms and confusing polarity markings, which complicates the serial connection of batteries and may lead to incorrect orientation.
Innovation Solution
A battery compartment design featuring a fixed electronic unit with a rotatable battery holding unit, where batteries are loaded perpendicular to the compartment's plane, with electrical connections on opposite sides and a spring mechanism that ensures secure connection without manual force, allowing easy identification of battery polarity through protrusions and intuitive loading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a spring-loaded mechanism is used to secure batteries in the compartment, then the batteries are held firmly in position, but it becomes difficult for users to load the batteries without sufficient hand force
Solution Approach 1:
The patent employs a rotatable battery holding unit that transitions between an open loading position and a closed secured position. During loading, the unit is rotated to the open position where springs are decompressed, allowing easy battery insertion. Upon closing, the springs compress to firmly secure the batteries. This dynamic positioning resolves the contradiction by making the system soft during loading and firm during operation.
Solution Approach 2:
The battery holding unit is pre-configured with spring mechanisms that automatically engage when the unit is closed. The springs are pre-compressed in the closed position, ready to immediately secure batteries upon insertion. This preliminary preparation eliminates the need for users to exert force against pre-loaded springs during loading, as the springs only engage after the unit is closed.
2Loss of information
If polarity markings are placed inside the battery compartment, then they are visible for orientation, but users with bad eyesight find it hard to understand the correct battery orientation
Solution Approach 1:
The patent uses color-coded protrusions on the battery holding structure to indicate polarity. A first protrusion is colored to match the first polarity marking, and a second protrusion is colored to match the second polarity marking. This color coding provides intuitive visual guidance that is easily distinguishable for users with varying eyesight, supplementing the traditional plus/minus markings within the compartment.
Solution Approach 2:
The colored protrusions serve as intermediary visual cues between the battery terminals and the polarity markings. Instead of relying solely on small text markings that may be difficult to read, the protrusions provide a tactile and visual intermediary guide that clearly indicates which end of the battery should face which direction, making polarity identification easier for all users.
3Reliability
If batteries are connected in series with alternating orientations, then electrical connection is achieved, but the loading process becomes more complex and error-prone
Solution Approach 1:
The patent employs asymmetric protrusions of different colors and positions on the battery holding unit that correspond to different battery polarities. The first protrusion (first color) aligns with batteries of one polarity, while the second protrusion (second color) aligns with batteries of the opposite polarity. This asymmetric design guides users to insert all batteries in the same orientation relative to the holding unit, simplifying the loading process while ensuring correct series connection through the electrical bridge.
Solution Approach 2:
The battery holding unit is designed with built-in electrical connections and a bridge that automatically establish series connection when batteries are inserted in the correct orientation. The structure itself provides the connection logic, eliminating the need for users to manually alternate battery orientations. The system self-configures the series connection through its asymmetric protrusion design and internal wiring, reducing loading complexity while maintaining connection reliability.
4Object-affected harmful factors
If the battery compartment is integrated into the dispenser, then hygiene is maintained by separating battery handling from product contact, but the overall device complexity increases
Solution Approach 1:
The patent divides the dispenser into distinct functional segments: a battery compartment section and a product dispensing section. The battery compartment is equipped with its own rotatable battery holding unit, springs, and electrical connections, forming a self-contained module. This segmentation isolates battery handling operations from the hygiene-sensitive product contact areas, maintaining hygiene standards while organizing complexity into manageable, independent modules.
Solution Approach 2:
The battery compartment is designed as a multi-functional integrated unit that combines battery storage, battery securing (via springs), electrical connection (via bridge and terminals), and user interface (via rotatable access and colored indicators). By consolidating these functions into a single integrated compartment rather than separate components, the design maintains hygiene separation while minimizing overall structural complexity through functional integration within the compartment boundary.
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 design simplifies battery loading by utilizing gravity and a spring mechanism for secure connection, ensuring correct polarity alignment and preventing short-circuits, making the process accessible to users with varying abilities and enhancing hygiene by separating battery handling from dispenser operation.
Implementation Method 1
spring action and movement of the batteries in the loading direction
Implementation Method 2
the batteries can be dropped into the battery holding unit by use of gravity force
Data Source
AI summary
A battery compartment for an electronically driven dispensing unit includes an electronic unit having a fixed first structure and a battery holding unit having a fixed second structure adapted to receive and contain at least two cylindrical batteries side by side. The first structure includes a first electrical connection and a second electrical connection positioned opposite each other. The second structure is rotatably connected to the first structure via a joint allowing rotation between a first open position in which the batteries are loaded or unloaded in the battery holding unit and a closed position in which loaded batteries are connected to the first and second electrical connections via spring action and movement of the batteries in the loading direction.