Modular Pool and Spa Control Panels With Expandable Relay Packs
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Solution Overview
Problem
Conventional pool/spa control systems are often limited in compatibility with various devices and have restricted capacity, requiring users to purchase additional controllers or converters, leading to inefficiencies and increased costs when expanding system operations.
Innovation Solution
A modular pool/spa control system with a main control panel and programmable relay packs that allow for easy expansion and device assignment, utilizing RS-485 communication buses and a handheld remote control unit for flexible control and programming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional controller is used with a pre-defined number of relays/ports, then the controller structure is simple and cost-effective, but the system capacity is limited and cannot accommodate additional devices
Solution Approach 1:
The controller is divided into a main control unit and multiple independent relay packs. Each relay pack functions as a separate module that can be individually configured and managed. This segmentation allows the system to expand capacity by adding more relay packs without redesigning the entire controller structure.
Solution Approach 2:
The main control unit is designed with universal communication capabilities (RS-485 bus) that can interface with any type of relay pack. The system can control diverse devices including pumps, heaters, lights, and solar arrays through the same control architecture, making the controller adaptable to various device types and system configurations.
2Adaptability or versatility
If additional controllers are purchased to expand system capacity, then the device capacity increases, but the system complexity increases and energy efficiency decreases
Solution Approach 1:
Multiple relay packs are merged into a single unified control system managed by one main controller. All relay packs communicate through the RS-485 bus network, allowing centralized control and coordination. This merging approach enables expanded device capacity while maintaining system simplicity and improving energy efficiency through coordinated operation.
Solution Approach 2:
The RS-485 communication bus acts as an intermediary between the main control unit and multiple relay packs. This communication medium enables the main controller to manage numerous devices without requiring direct connections to each device, thereby reducing system complexity while expanding capacity.
3Adaptability or versatility
If converters are purchased to make devices compatible with the controller, then device compatibility is achieved, but the system cost increases
Solution Approach 1:
The controller employs a universal communication protocol (RS-485) that can interface with various device types directly without requiring proprietary converters. The standardized communication interface enables broad device compatibility while avoiding the need for additional compatibility components, thereby reducing system cost.
Data Source
AI summary
Disclosed is a system for controlling pool/spa components. More particularly, disclosed is a system for controlling pool/spa components including a display screen and one or more processors presenting a control user interface for display on the display screen, wherein the control user interface includes a home screen comprising a first portion containing a first plurality of buttons and/or controls for controlling a first group of the plurality of pool/spa components associated with a first body of water, and a second portion containing a second plurality of buttons and/or controls for controlling a second group of the plurality of pool/spa components associated with a second body of water.