Movable Electronic Shelf Label With Elastic Contact Power Supply
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Solution Overview
Problem
Existing active electronic shelf labels require rotational disassembly and reassembly for position adjustments, leading to inefficient installation and disassembly processes and inflexible placement due to predetermined rotation radii.
Innovation Solution
A movable electronic shelf label design where the shelf label body is connected to a guide rail with elastic sheets electrically coupled to power supply lines, allowing for flexible positioning and simplified installation and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the electronic shelf label uses a rotatable installation mode with a fixed metal sheet contacted with a power supply line by rotation, then the electronic shelf label can be installed and powered, but the installation and disassembly efficiency becomes low and the position adjustment flexibility is reduced
Solution Approach 1:
The electronic shelf label is divided into separable components: a label body with elastic contact sheets and a guide rail with power supply lines. This segmentation allows the label to be easily detached and repositioned without complex rotational operations, directly improving installation efficiency and position adjustment flexibility.
Solution Approach 2:
The patent introduces movable connection between the shelf label body and guide rail, replacing the fixed rotatable installation mode. The elastic contact sheets dynamically maintain electrical connection during movement, enabling flexible position adjustment while maintaining power supply, thus improving operational ease.
2Adaptability or versatility
If the rotatable installation mode requires a pre-determined rotation radius, then the metal sheet can be properly contacted with the power supply line, but an interval between electronic shelf labels is required which limits position setting flexibility
Solution Approach 1:
The power supply system is segmented into distributed power supply lines along the guide rail rather than a single rotational contact point. This allows multiple labels to be positioned independently at any location along the rail without requiring fixed intervals, enhancing position setting flexibility.
Solution Approach 2:
Elastic contact sheets serve as intermediaries between the label body and power supply lines. These elastic sheets can extend and flex to maintain electrical connection regardless of the label's exact position, eliminating the need for predetermined intervals and enabling continuous position adjustment.
3Device complexity
If a fixed metal sheet is used for power contact in rotatable installation, then electrical connection can be achieved, but the structure becomes heavier and more complex
Solution Approach 1:
The patent replaces the durable but heavy fixed metal sheet with lighter elastic contact sheets that achieve the same electrical connection function. While the elastic sheets are more flexible and less durable than metal, they suffice for the application and significantly reduce weight and structural complexity.
Solution Approach 2:
Elastic contact sheets replace rigid metal components with flexible thin films. This substitution reduces weight and structural complexity while maintaining electrical connectivity through the guide rail system, directly addressing the weight and complexity issues of the rotatable installation mode.
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
This design enhances installation and disassembly efficiency, allows for flexible adjustment of the shelf label position, and simplifies maintenance while maintaining a lightweight and easy-to-maintain structure.
Implementation Method 1
a second contact point of the shelf label positive elastic sheet is electrically coupled to the guide rail positive power supply line, and a second contact point of the shelf label negative elastic sheet is electrically coupled to the guide rail negative power supply line
Data Source
AI summary
Disclosed in the present disclosure is an active electronic shelf label, including: a shelf label body, a guide rail, a guide rail positive power supply line, a guide rail negative power supply line, a shelf label positive elastic sheet, and a shelf label negative elastic sheet. The shelf label body is connected to the guide rail and movable along the guide rail. The guide rail positive power supply line and the guide rail negative power supply line are respectively provided along the guide rail. A first contact point of the shelf label positive elastic sheet is electrically coupled to a power input terminal of the shelf label body. A first contact point of the shelf label negative elastic sheet is electrically coupled to a power output terminal of the shelf label body. A second contact point of the shelf label positive elastic sheet is electrically coupled to the guide rail positive power supply line by contact, and a second contact point of the shelf label negative elastic sheet is electrically coupled to the shelf label negative elastic sheet by contact. The present disclosure can improve the efficiency of installing and disassembling the electronic shelf label, enables flexible adjustment of the position of the shelf label body on the guide rail according to actual needs, and is simple in structure, light in weight, and easy to maintain.