Wall-Mounted Digital Luggage Scale With Strain-Gauge Weighing
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Solution Overview
Problem
Travelers face challenges in conveniently weighing luggage to avoid exceeding weight limits at airports, as traditional bathroom scales and hand-held luggage scales are often inaccessible or inaccurate.
Innovation Solution
A wall-mounted luggage scale device with a housing, weighing member, strain gauge load cell, and display that allows users to securely attach to a wall, measure luggage weight, and display results numerically, powered by a battery or USB rechargeable system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a bathroom scale is used to weigh luggage, then weighing can be performed, but accessibility is poor and accuracy is insufficient
Solution Approach 1:
The patent introduces a wall-mounted scale as an intermediary device between the traveler and the luggage weighing need. This fixed installation provides both the accuracy of a dedicated weighing device and the accessibility of a permanently available solution in hotels and airports, eliminating the need to pack hand-held scales while ensuring precise measurements.
Solution Approach 2:
The wall-mounted scale enables travelers to independently weigh their luggage without requiring hotel staff assistance or special equipment. The device is designed for self-service operation with clear display and intuitive interface, allowing travelers to perform accurate weighings autonomously at any time before departure.
2Ease of operation
If a hand-held luggage scale is packed in luggage, then weighing is possible, but the device occupies space and may not be available when needed
Solution Approach 1:
The wall-mounted scale serves as a fixed intermediary infrastructure that eliminates the need to transport hand-held scales. Travelers can access this permanent weighing station at hotels or airports, gaining both the portability of not carrying equipment and the accuracy of a dedicated weighing device.
3Adaptability or versatility
If traditional scales are used, then weighing function is provided, but convenience and availability for travelers are limited
Solution Approach 1:
The wall-mounted scale is designed as a universal solution that can be installed in multiple locations (hotels, airports, homes) and serves various weighing needs. The device accommodates different luggage types and sizes, provides multiple measurement units, and is accessible to all travelers regardless of their specific requirements, thereby enhancing both availability and convenience.
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
Provides a convenient, accurate, and portable solution for on-the-go luggage weighing, preventing overweight luggage and ensuring compliance with airline weight restrictions.
Implementation Method 1
The cell is comprised of at least one strain gauge, at least one load cell sensor (i.e., force transducer)
Implementation Method 2
The load cell sensor has an electric charge such that as the sensor is pressed downward and once the strap is placed on the sensor, the electrical resistance of the sensor will change
Data Source
AI summary
The disclosure includes a scale comprising a housing, an arm hingedly coupled to the housing, and a display located on the housing. In some embodiments, the arm is configured to receive at least a portion of an item to be weighed, and the display is configured to show the weight of the item. The scale may be configured to couple to a wall of a building.