Centralized Washroom Dispenser Controller for Service Need Detection
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Solution Overview
Problem
Current systems for managing dispensers of consumable products in washrooms are inefficient, as service personnel often need to check multiple dispensers during scheduled visits, only to find that only a few require refilling or maintenance, leading to unnecessary visits and increased costs.
Innovation Solution
A centralized controller system that communicates with dispensers to identify which ones need servicing, providing audible or visual indications of low product levels, malfunctions, or battery issues, allowing service attendants to focus on necessary tasks and reduce unnecessary visits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If service personnel check all dispensers during scheduled visits, then they can identify dispensers needing service, but this results in unnecessary visits to dispensers that don't need servicing and increases time and cost
Solution Approach 1:
The system performs preliminary monitoring of dispenser status (product levels, battery charge, operational state) continuously or at scheduled intervals before service personnel arrive. This advance detection allows the system to identify which dispensers actually need service, so that when service personnel arrive, they are directed only to dispensers requiring attention rather than checking all dispensers manually.
Solution Approach 2:
The system implements a feedback mechanism where dispensers communicate their status (product remaining, battery level, malfunction indicators) to a central controller or directly to service personnel devices. This feedback loop provides real-time or near-real-time information about dispenser needs, enabling service personnel to respond only when and where necessary, thereby reducing unnecessary visits and time loss.
2Reliability
If service personnel visit dispensers frequently to ensure they are stocked, then product availability is maintained, but this increases service costs and reduces operational efficiency
Solution Approach 1:
The system monitors product levels in dispensers continuously or at scheduled intervals before service personnel are needed. By detecting low product levels in advance, the system can trigger automated reordering processes or notify service personnel only when refilling is actually required, eliminating the need for frequent routine inspection visits and improving operational efficiency while maintaining product availability.
Solution Approach 2:
The system enables a degree of self-service by automatically tracking product consumption rates and inventory levels. The dispenser or connected system can autonomously generate purchase orders, schedule refills, or alert maintenance personnel only when intervention is needed, reducing the need for manual checking and increasing overall service productivity.
3Loss of information
If manual inspection of each dispenser is performed, then service needs are identified, but this process is laborious and time-consuming
Solution Approach 1:
The system replaces manual mechanical inspection with automated electronic monitoring. Sensors, microcontrollers, and communication systems automatically detect service needs (low product, battery status, malfunctions) without requiring physical presence or manual checking of each dispenser, thereby eliminating time-consuming manual inspection while ensuring complete detection of service needs.
Solution Approach 2:
The system implements automated feedback mechanisms where dispensers continuously report their status to a central system or directly to service personnel. This automated information flow ensures that service needs are detected and communicated without manual inspection, saving time while maintaining complete awareness of dispenser conditions.
Data Source
AI summary
Methods, systems and apparatus for managing the servicing of dispensers including a system having a plurality of dispensers each configured to be located in a same washroom and dispense a respective consumable hygiene product; and a controller configured to be located in the washroom, remote to the plurality of dispensers and have a service mode and an operation mode different than the service mode, wherein, when in the service mode, the controller is configured cause an audible or visual indication of a servicing need of at least one of the plurality of dispensers, and wherein the servicing need is one of the at least one of the plurality of dispensers having: low or no consumable hygiene product remaining, an electrical or mechanical malfunction, and a low battery condition.