Portable Security Bin Controller with Radio Beacon Positioning
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Solution Overview
Problem
Existing portable security bins are inefficiently emptied, often being emptied too frequently or not frequently enough, leading to material being left out or not being properly secured, due to fixed schedules that do not account for the actual fullness or location of the bins.
Innovation Solution
The implementation of an electronic controller system in security bins that uses short-range and long-range radios to determine the bin's location and fullness, sending status messages to optimize emptying schedules and ensure material is properly secured, with adaptive time intervals to conserve power and adjust based on bin usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fixed schedule emptying is used, then operational simplicity is maintained, but bin fullness is not accurately monitored leading to material being left out or unnecessary emptying
Solution Approach 1:
The system implements feedback by continuously monitoring bin fullness using sensors and transmitting this information to a remote server. The server then sends notifications to schedule emptying only when the bin is actually full, creating a closed-loop control system that adapts to real conditions rather than following a rigid fixed schedule.
Solution Approach 2:
The bin essentially monitors and manages its own emptying needs through integrated sensors and communication modules. The system autonomously detects when it is full and initiates the notification process, eliminating the need for manual checking or predetermined scheduling by operators.
2Adaptability or versatility
If portable security bins are used, then mobility and flexibility are improved, but bins can be easily moved to unauthorized locations compromising security
Solution Approach 1:
The system uses location sensors (GPS, WiFi, Bluetooth) to continuously monitor the bin's position and provides feedback to a remote server. The server maintains a database of authorized locations and compares real-time location data against these authorized positions, alerting operators if the bin is moved to unauthorized areas.
Solution Approach 2:
A remote server acts as an intermediary between the portable bin and the security management system. The server receives location data from the bin, processes it against authorized location criteria, and generates appropriate alerts or notifications, thereby mediating the security verification process.
3Measurement precision
If continuous monitoring and communication are implemented, then bin fullness and location are accurately tracked, but power consumption increases reducing battery life
Solution Approach 1:
Instead of continuous monitoring and transmission, the system employs periodic sampling of bin fullness and location data. The microcontroller activates sensors and communication modules at scheduled intervals, transmitting data batches rather than maintaining constant connectivity, thereby significantly reducing average power consumption while preserving measurement accuracy.
Solution Approach 2:
The monitoring frequency and communication intervals are dynamically adjusted based on bin status. When the bin is full or location changes occur, the system increases monitoring frequency to ensure timely detection. During stable conditions with adequate battery charge, intervals are extended to conserve power, creating a flexible adaptive monitoring regime.
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 solution ensures that security bins are emptied only when necessary, maintaining the security of documents by accurately tracking fullness and location, reducing waste and improving operational efficiency.
Implementation Method 1
The short-range radio may be used to receive radio beacons, such as WiFi or Bluetooth broadcasts, and then measure received radio power of the beacons, or an associated broadcast radio, and then use the received radio power to compute a distance between a bin and a broadcast radio.
Data Source
AI summary
A security bin and a security bin controller are described that measure fullness or height of secure contents in a security bin; listen to radio beacons over a short-range radio to determine a bin distance from a first radio, such as by measuring received radio power; determine one of three bin security states: home, caution or warning; and then broadcast a status message, warning message or alarm message over long-range radio, dependent on both the fullness of the bin and the security state. Embodiments include shredder bins, adapted to receive secure or confidential documents. Status messages may be used to initiate a search for a lost bin or to schedule bin service. Embodiments include measuring rate-of-fill. Alarm messages may be responsive to both bin location and fill volume. Embodiments and use of a controller include waste bins, including industrial or medical waste.