Adaptive Shower Spray Control Using Load-Based Occupancy Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing shower systems lack efficient occupancy detection and control mechanisms to adjust water flow parameters based on user location, leading to unnecessary water consumption and suboptimal user experience.
Innovation Solution
Implementing a load-based occupancy detection system using position sensors, such as strain gauges, to determine user location within a shower enclosure and control actuators like solenoid valves to adjust spray characteristics, including flow rate and pattern, based on user position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If water flow rate is maintained at high level continuously, then spray intensity is sufficient for user needs, but water consumption increases unnecessarily
Solution Approach 1:
The system dynamically adjusts the water flow rate based on real-time detection of user position and spray utilization. When the user is detected within the optimal spray zone, the system maintains high flow rate for effective spraying. When the user moves away or spray utilization is low, the system automatically reduces flow rate to minimize water consumption while maintaining readiness for immediate resumption of full spray when needed.
2Adaptability or versatility
If spray characteristics are adjusted dynamically based on user position, then user experience is enhanced, but system complexity increases
Solution Approach 1:
The system employs sensors to continuously detect user position relative to the spray zone and feeds this information back to the control mechanism. Based on the feedback signal indicating whether the user is in the optimal spray area, the controller automatically adjusts spray characteristics such as flow rate and pressure. This closed-loop feedback system enables adaptive spray control without requiring complex manual intervention, achieving high adaptability through relatively simple sensor-controller-actuator architecture.
3Quantity of substance
If occupancy detection system is implemented, then water consumption is reduced, but device complexity increases
Solution Approach 1:
The occupancy detection system operates autonomously to monitor whether the shower enclosure is occupied and whether spray is being utilized effectively. The sensor detects user presence and position, and the control system automatically makes decisions about spray activation and flow rate adjustment without user intervention. This self-service capability reduces water consumption by ensuring spray is only delivered at full intensity when actually needed, while keeping the system relatively simple through automatic operation rather than requiring complex user interaction interfaces.
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
Reduces water consumption by adjusting flow rates when the spray is not fully utilized and enhances user experience by tailoring spray intensity and shape to user movements.
Implementation Method 1
The position sensor is configured to generate a position signal indicative of a user location within a shower enclosure based on a load applied to the position sensor
Implementation Method 2
The spray head actuator is configured to control a spray generated by a spray head
Implementation Method 3
the spray head actuator includes a solenoid valve, and the controller is configured to control the solenoid valve to adjust a flow rate of water through a spray head
Data Source
AI summary
A control system for operating a showering system using load-based occupancy detection includes a spray head actuator, a position sensor, and a controller. The spray head actuator is configured to control a spray generated by a spray head. The position sensor is configured to generate a position signal indicative of a user location within a shower enclosure based on a load applied to the position sensor. The controller is communicably coupled to the position sensor and the spray head actuator, and is configured to determine a spray characteristic of a spray produced by the spray head based on the position signal, and control the spray head actuator based on the spray characteristic.