Sensor-Controlled Multipurpose Faucet for Accessible Water Delivery
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Solution Overview
Problem
Individuals with spinal cord injuries and those with physical disabilities face significant challenges in accessing and controlling traditional faucets, which are often difficult to adjust for temperature, flow, and angle, limiting their independence in performing daily activities.
Innovation Solution
A smart multipurpose faucet system equipped with sensors and processors that allow for gesture-controlled or voice-activated operation, enabling the faucet to automatically adjust water temperature, flow rate, and nozzle setting for specific activities such as drinking or face washing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional faucets are used, then device simplicity is maintained, but ease of operation deteriorates for individuals with physical disabilities
Solution Approach 1:
The patent replaces mechanical faucet operation (manual handles, knobs) with sensor-based detection systems including proximity sensors, touch sensors, and voice recognition systems. This allows individuals with physical disabilities to control water flow without direct mechanical manipulation, substituting mechanical control with electronic sensing and actuation.
Solution Approach 2:
The patent introduces intermediary components between the user and water control, including control modules that process sensor signals, microprocessors that interpret user intent, and automated valve systems that execute water delivery. These intermediaries translate simple user gestures or voice commands into complex coordinated water flow control.
2Adaptability or versatility
If traditional single-function faucets are used, then device complexity is reduced, but adaptability deteriorates for multiple activities
Solution Approach 1:
The patent implements a universal faucet system with multiple water outlets (drinking spout, face-wash spout, hand-wash spout) that can deliver water in various configurations (stream, spray, fountain) for different activities including drinking, face washing, hand washing, and eyewash. A single control system manages all functions, allowing one device to replace multiple specialized faucets.
Solution Approach 2:
The patent employs dynamically adjustable water delivery parameters including variable flow rates, adjustable water pressure, changeable nozzle orientations, and switchable spray patterns. The system can automatically adjust these parameters based on detected user needs, providing optimal water delivery for each specific activity rather than fixed configurations.
3Productivity
If manual faucet adjustment is used, then device complexity is minimized, but productivity deteriorates due to time-consuming adjustments
Solution Approach 1:
The patent implements self-service functionality where the faucet system automatically detects user presence, identifies the desired activity, and configures water delivery parameters without manual intervention. The control module autonomously adjusts flow rate, temperature, pressure, and nozzle orientation based on sensor input, eliminating the need for users to manually adjust multiple controls.
Solution Approach 2:
The patent prepares the water delivery system in advance by pre-configuring multiple outlets for different activities and maintaining ready-to-deliver water at optimal temperatures and pressures. When a user approaches or indicates their need, the system can quickly activate the appropriate configuration without requiring time-consuming adjustments, as the parameters are pre-established.
4Reliability
If traditional faucets are used, then manufacturing simplicity is maintained, but reliability deteriorates for users with limited control
Solution Approach 1:
The patent replaces unreliable manual mechanical controls with robust sensor-based detection systems that are more reliable for users with physical disabilities. The electronic sensing and control systems provide consistent, repeatable operation that does not depend on fine motor skills or physical dexterity, improving reliability for the target user population.
Data Source
AI summary
Faucet assemblies and associated methods are disclosed. A disclosed faucet assembly comprises a faucet having at least two different water outlets, at least one sensor, and a processor. The processor is configured to receive a signal from the at least one sensor, determine a faucet configuration for the faucet based on the signal, and allow water to flow from a water source to one of the at least two different water outlets based on the faucet configuration.