Swimming Pool Chlorinator Synchronous Rectifier for Lower Heat
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Solution Overview
Problem
Existing salt water chlorination systems face significant heat dissipation issues during rectification of mains power, necessitating cumbersome heat management systems that complicate the design and increase physical footprint.
Innovation Solution
Implementing a synchronous rectifier in the chlorination system to convert alternating current power to direct current power, reducing heat generation and eliminating the need for additional heat sinks or fans, thereby minimizing system size and enhancing functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional rectification is used to convert AC mains power to DC for the chlorinator, then power conversion is achieved, but significant heat dissipation occurs requiring large heat sinks or fan systems
Solution Approach 1:
The patent changes the operating parameters of the rectification process by using synchronous rectification with MOSFETs operated as synchronous switches. This approach reduces the forward voltage drop compared to conventional diode rectification, thereby reducing power loss and heat generation during the rectification process. The MOSFETs are controlled to operate in their linear region during conduction, minimizing resistive losses and the associated heat dissipation that would otherwise require large heat sinks or active cooling.
2Loss of energy
If conventional rectification is used, then power conversion is achieved, but large heat sinks or fan systems are required leading to more complicated design
Solution Approach 1:
By changing from diode-based rectification to synchronous rectification with MOSFETs, the patent reduces the voltage drop across the rectification elements. This parameter change results in significantly lower power dissipation (P = V × I), which directly reduces heat generation. Consequently, the thermal management requirements are relaxed, allowing for smaller or eliminated heat sinks and fan systems, thereby reducing the overall physical footprint of the chlorinator.
3Loss of energy
If conventional rectification is used, then AC to DC conversion is achieved, but additional heat management components increase system size
Solution Approach 1:
The synchronous rectification approach changes the electrical parameters of the rectification process by using actively controlled MOSFETs instead of passive diodes. This results in lower conduction losses and reduced heat generation. The reduced thermal output allows for compact thermal management solutions or eliminates the need for large heat dissipation components, thereby reducing the overall system volume occupied by heat management infrastructure.
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 synchronous rectifier provides efficient power conversion with reduced heat management, allowing for a more compact and functionally enhanced chlorination system without additional components.
Implementation Method 1
a synchronous rectifier that converts the alternating current power to generate a direct current power source
Implementation Method 2
an electrolysis cell that receives a flow of pool water and electrolyzes sodium chloride in the pool water to generate chlorine
Data Source
AI summary
A chlorinator system includes a swimming pool chlorinator configured to perform chlorination operations of a salt water pool system. The swimming pool chlorinator includes an electrolysis cell configured to receive a flow of pool water and to electrolyze sodium chloride in the pool water to generate chlorine and control electronics configured to control operations of the swimming pool chlorinator. Additionally, the chlorinator system includes a power source coupler configured to receive alternating current power from an alternating current power source. Further, the chlorinator system includes a synchronous rectifier configured to convert the alternating current power to generate a direct current power source to provide power to the swimming pool chlorinator.