Sensor-Triggered Voice Dispenser for Low-Battery Hand Hygiene Reminders
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Solution Overview
Problem
Existing restroom communication systems, such as stand-alone voice modules, face battery strain due to continuous operation and lack the ability to communicate multiple messages, limiting their effectiveness in increasing hand washing frequency and providing reminders.
Innovation Solution
A dispenser equipped with a controller, multiple sensors, and a speaker that allows for recording and playback of multiple messages, enabling hands-free operation and context-sensitive communication, reducing energy consumption by triggering messages only upon specific events.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the voice module operates continuously on a fixed time routine to remind users to wash hands, then hand washing frequency increases, but battery consumption increases requiring continuous maintenance and replacement
Solution Approach 1:
The voice module transitions from continuous operation to periodic operation, playing reminders only at specific intervals or under specific conditions (such as when the sensor detects presence). This reduces overall energy consumption while still maintaining effectiveness in prompting hand washing behavior at appropriate moments.
Solution Approach 2:
The system uses sensor detection to automatically trigger voice reminders based on user presence, eliminating the need for continuous operation. The module serves itself by activating only when needed, reducing battery consumption while maintaining productivity.
2Adaptability or versatility
If the voice module plays a single reminder continuously, then it is simple to operate, but it cannot communicate different messages over time limiting effectiveness
Solution Approach 1:
The voice module is designed to perform multiple functions: it can store and play different types of messages (reminders, information, notifications) based on sensor inputs and time conditions. This multi-functionality increases adaptability without significantly increasing operational complexity for the end user.
Solution Approach 2:
The system dynamically adjusts which message to play based on sensor detection, time of day, and usage patterns. This dynamic behavior allows the simple interface to deliver varied, context-appropriate messages, enhancing versatility without complicating the user experience.
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 solution enhances user compliance by providing customizable reminders and reducing battery strain through event-triggered message playback, allowing for efficient communication of various messages while minimizing energy usage.
Implementation Method 1
a proximity sensor having a sensing field enables hands-free operation. Insertion of an object, such as the user's hand for example, into the field modifies the properties that the proximity sensor senses
Implementation Method 2
A speaker is operably coupled to the second sensor and the controller, wherein the speaker emits a prerecorded audible message in response to the controller receiving a signal from the second sensor
Data Source
AI summary
Dispensers and dispensing systems and methods having communication abilities are provided. Various embodiments include the ability to communicate reminders and other messages to users and maintenance personnel. An embodiment of the present invention has two sensors, one for detecting when to dispense a product and the other for detecting when to communicate pre-recorded messages. Another embodiment also includes the ability to record multiple messages into the dispenser for later playback upon triggering events. Still yet other embodiments provide messages upon dispensing of product.