Modular Water Quality Sensing for Recirculation Flow Control
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Solution Overview
Problem
Existing water recirculation systems, such as recirculating showers, face challenges in efficiently measuring and managing water quality, leading to potential air suction into the recirculation flow and clogging of filters.
Innovation Solution
A modular system comprising a water channel base unit, a sensor module unit for water quality measurement, and a water distribution module unit that allows for flexible installation and easy maintenance, with features like detachable water distribution modules and integrated flushing functionality to prevent air suction and filter clogging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If water quality measurement is implemented in recirculation systems, then water quality management is improved, but device complexity increases
Solution Approach 1:
The system is divided into separate functional modules: a sensor module for water quality measurement, a control unit for processing sensor data, and a water distribution system for executing control decisions. This modular segmentation allows each component to be optimized independently while maintaining overall system reliability.
Solution Approach 2:
A control unit acts as an intermediary between the sensor module and the water distribution system. It processes sensor signals, determines water quality status, and generates control signals for the water distribution system, thereby simplifying the overall system architecture and improving reliability through centralized control logic.
2Productivity
If recirculation flow is maintained, then water efficiency is improved, but air suction into the flow occurs
Solution Approach 1:
The sensor module continuously monitors water quality parameters in the recirculation flow and provides feedback to the control unit. When air suction is detected or water quality deteriorates, the control unit adjusts the water distribution system to maintain optimal recirculation conditions, preventing air entrainment while preserving water efficiency.
Solution Approach 2:
The water distribution system is designed with dynamic control capabilities, allowing the recirculation flow rate and distribution patterns to be adjusted in real-time based on sensor feedback. This dynamic adaptation prevents air suction under varying operating conditions while maintaining high water efficiency.
3Reliability
If filter system is used, then water purification is improved, but filter clogging occurs
Solution Approach 1:
The sensor module performs preliminary detection of water quality parameters before water enters the filter system. The control unit uses this information to pre-adjust operational parameters or alert users to potential filter clogging conditions, enabling proactive maintenance and reducing the frequency of filter replacements.
Solution Approach 2:
The system incorporates self-monitoring capabilities where the sensor module continuously tracks water quality and filter performance. The control unit automatically adjusts system operation to optimize filter life and can trigger maintenance alerts, reducing the need for manual intervention and simplifying filter maintenance.
4Ease of repair
If modular system design is implemented, then ease of maintenance is improved, but manufacturing complexity increases
Solution Approach 1:
The system is designed as a modular assembly with clearly defined interfaces between the sensor module, control unit, and water distribution system. Each module can be manufactured separately using standardized processes and then assembled through simple connection mechanisms, reducing overall manufacturing complexity while enabling easy maintenance and replacement of individual components.
Data Source
Figure 1
AI summary
The present invention refers to a system 1 intended for measuring water quality in a system having the capability of recirculating water and flowing water to waste, depending on water quality, said system 1 being a module system comprising a water channel base unit 2, a sensor module unit 3 for water quality measurement and a water distribution module unit 4 for distribution of water to recirculation, wherein the water distribution module unit 4 are attachable to and detachable from the water channel base unit 2.