Replaceable Chlorinator Cell Cartridge with Integrated Bi-Directional Flow Switch
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Solution Overview
Problem
Existing salt chlorinators have separate temperature and flow sensors that require additional wiring and connections, often leading to the retention of old or faulty sensors during cartridge replacements, and are prone to inaccurate readings due to unidirectional flow detection. Additionally, the market for knock-off cell cartridges poses safety and economic concerns.
Innovation Solution
A chlorinator system with a replaceable cell cartridge that integrates bi-directional flow switches, sensors, and custom connections, ensuring accurate flow detection and preventing the use of incompatible cartridges through a unique plug arrangement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate temperature and flow sensors are used in existing salt chlorinators, then the sensors can detect water parameters, but additional wiring and connections are required and old faulty sensors are retained during cartridge replacements
Solution Approach 1:
The patent combines the flow switch and temperature sensor into an integrated cartridge assembly that replaces as a single unit. The flow switch is mounted directly on the cartridge body with the temperature sensor positioned in fluid communication with the water flow path, eliminating separate wiring connections and ensuring that old faulty sensors are replaced along with the cartridge.
2Measurement precision
If unidirectional flow sensors are used, then the sensors can detect flow in one direction, but they provide inaccurate readings when mounted in other orientations
Solution Approach 1:
The patent employs a bi-directional flow switch design where the paddle can deflect in either direction depending on flow direction. The reed switch is positioned to detect the paddle position regardless of which direction the water flows, allowing accurate flow detection in both directions and enabling flexible mounting orientations without compromising measurement precision.
3Ease of operation
If standard connector systems are used in replaceable chlorinator cartridges, then cartridges can be easily replaced, but knock-off cell cartridges can be easily designed to work with various chlorinators creating safety concerns
Solution Approach 1:
The patent utilizes asymmetric custom connector designs where the electrical connector pins and receptacle geometry are specifically configured to match only compatible chlorinator models. The asymmetric arrangement of pins, their specific spacing, and the connector housing shape prevent knock-off cartridges from being improperly connected, ensuring system safety while maintaining ease of replacement for authorized cartridges.
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 integrated sensors and bi-directional flow switch provide accurate and reliable sanitization control, while the custom connections ensure safety and prevent the use of knock-off cartridges, enhancing both operational efficiency and user safety.
Implementation Method 1
The body defines one or more flow guides and hingedly supports the bi-directional flow switch. In one embodiment, the bi-directional flow switch is a hinged paddle that is detected by a reed switch, or equivalent sensor, mounted on the printed circuit board.
Implementation Method 2
the bi-directional flow switch is a hinged paddle that is detected by a reed switch, or equivalent sensor, mounted on the printed circuit board
Implementation Method 3
an electric charge is imparted on the electrolytic cell, and pool or spa water is pumped through the cell. Through electrolysis, the salt in the water is converted to free chlorine
Data Source
AI summary
A chlorinator system for pools or spas is disclosed. The chlorinator system includes a replaceable chlorinator cell cartridge having built in sensors, switches, and custom connections. The chlorinator system includes a controller, a chlorinator, a replaceable cell cartridge, and compression fittings for connecting the chlorinator to piping of a pool or spa system. The cartridge includes a body, a bi-directional flow switch, a connector plug, a lid, a printed circuit board, which includes non-volatile memory, and electrically-charged plates or blades.