Venturi Shower Head pH Dosing With Replaceable Cartridge
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Solution Overview
Problem
Existing water pH adjustment systems lack precision and are complex, making them unsuitable for residential settings, particularly for personal care applications where optimal skin and hair health is desired.
Innovation Solution
A shower head system with a chemical reservoir, venturi segment, and control valve to accurately adjust pH levels by adding chemical additives to the water stream, featuring a replaceable cartridge and electronic control for precise pH management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional chemical dosing systems are used to adjust water pH, then pH adjustment capability is achieved, but system complexity and maintenance requirements increase significantly
Solution Approach 1:
The system divides the pH adjustment function into separate modular components: a shower head unit with venturi mechanism and a separate chemical cartridge. This segmentation allows the complex chemical dosing function to be isolated in a replaceable cartridge, reducing the complexity of the permanent installation while maintaining precise pH adjustment capability.
Solution Approach 2:
The chemical storage and dosing mechanism is extracted into a separate, removable cartridge that can be independently replaced. This extraction allows the main shower head system to remain simple and permanent, while the complex chemical management function is contained in a disposable or replaceable unit, reducing overall system complexity and maintenance burden.
2Measurement precision
If bulk chemical dosing systems are installed, then pH adjustment is achieved, but installation complexity and space requirements increase
Solution Approach 1:
The chemical cartridge is designed to nest within or attach to the shower head housing, with the chemical storage chamber fitting inside the shower head structure. This nested arrangement allows the complete pH adjustment system to be integrated into a compact form factor that fits within standard shower head dimensions, simplifying installation while maintaining precise chemical dosing capability.
3Measurement precision
If sophisticated electronic sensors and automated dosing mechanisms are used, then pH control precision is improved, but device complexity and cost increase
Solution Approach 1:
The venturi mechanism creates a self-regulating chemical dosing system where water flow automatically draws chemical from the cartridge through pressure differential. This passive, self-service dosing mechanism eliminates the need for electronic sensors, pumps, or automated controls, achieving reliable pH adjustment through fluid dynamics alone while dramatically reducing system complexity.
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 system efficiently and accurately adjusts pH levels in shower water, providing a customizable and safe showering experience by integrating a chemical reservoir, venturi segment, and control valve for precise pH management.
Implementation Method 1
a section of the shower head conduit takes a form of a venturi segment. The venturi segment creates a Venturi effect to reduce fluid pressure as water flows through the neck section. The Venturi effect produced by the venturi segment draws the chemical additive from the chemical conduit into the water stream in the shower head conduit.
Data Source
AI summary
The present invention discloses a shower head system. The system comprises a shower head housing comprising a proximal end and a distal end. The proximal end comprises one or more water inlet apertures and the distal end comprises one or more water outlet apertures. The water inlet apertures are in fluid communication with a water source to receive raw water. The system comprises a shower head conduit in fluid communication with the water inlet apertures and the water outlet apertures. The shower head conduit comprises at least one chemical addition aperture. The system comprises a chemical storage system comprising a chemical reservoir comprising chemical outlet apertures and a chemical conduit. The chemical reservoir is configured to store chemical additive. The chemical conduit is in fluid communication with the chemical outlet apertures and the chemical addition aperture to add chemical additive to the water stream to adjust pH level.