Self-Configuring Ignition Control for Dual-Voltage Pool Heaters
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Solution Overview
Problem
Conventional pool heating equipment requires manual configuration by installers to select the correct jumper connector for 120V or 240V operation, leading to potential fuse blowouts and component damage due to incorrect voltage selection.
Innovation Solution
A self-configuring ignition control module that automatically determines the input voltage and adjusts its configuration accordingly, eliminating the need for manual jumper selection and reducing the complexity of installation by integrating circuitry to measure voltage and route transformer outputs based on the detected voltage level.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual voltage selection with jumper connectors is used, then the system can operate at either 120V or 240V, but installation complexity increases and potential for incorrect configuration导致 fuse blowouts and component damage
Solution Approach 1:
The control module automatically detects the input voltage level (120V or 240V) and configures its internal circuitry accordingly without requiring manual intervention. The system self-identifies the voltage through sensing circuits and automatically routes power through appropriate internal pathways, eliminating the need for installer-configured jumper connectors and voltage selection switches.
Solution Approach 2:
The control module dynamically changes its internal electrical parameters and configuration based on the detected voltage level. Internal relays or solid-state switches reconfigure the circuit topology to match the input voltage, transforming the system from a static configuration requiring manual setup to a dynamic system that adapts its electrical parameters automatically.
2Adaptability or versatility
If manual voltage selection is used, then the system can be configured for different voltages, but the risk of incorrect configuration increases leading to fuse blowouts and component damage
Solution Approach 1:
The system performs self-configuration by automatically detecting the input voltage and setting its internal state without human intervention. This eliminates the possibility of incorrect manual configuration, as the system autonomously determines the correct operating mode and configures its internal circuitry accordingly, ensuring reliable operation.
Solution Approach 2:
The control module incorporates voltage sensing circuits that continuously monitor the input voltage level and provide feedback to the control logic. This feedback mechanism enables the system to verify the detected voltage and adjust its configuration accordingly, preventing misconfiguration and ensuring reliable operation at the detected voltage level.
3Adaptability or versatility
If large transformers and multiple wire harnesses are used to support dual voltage operation, then the system can operate at 120V or 240V, but device complexity and cost increase
Solution Approach 1:
The control module is designed with universal circuitry that can handle both 120V and 240V inputs through a single unified design. Instead of requiring separate transformers or wiring configurations for each voltage level, the module uses a universal power input stage with internal switching that adapts to either voltage, eliminating the need for voltage-specific components.
Solution Approach 2:
The patent extracts the voltage selection functionality from the physical hardware configuration (jumpers, transformers, wire harnesses) and relocates it to the control module's internal circuitry. The external wiring remains simple and unchanged, while the control module internally manages the voltage adaptation, removing the need for complex external voltage selection hardware.
4Adaptability or versatility
If manual configuration is required, then installers can select voltage, but production labor costs increase due to additional configuration steps
Solution Approach 1:
The control module performs automatic voltage detection and configuration, eliminating the need for installers to manually set jumpers or configure voltage selection switches. This self-configuration capability reduces installation steps and time, directly improving productivity while maintaining the system's ability to operate at either voltage level.
Data Source
AI summary
A control for a gas fired pool heater is configurable to operate at either a first voltage or a second voltage higher than the first voltage. The control includes an input voltage measurement circuit and an automatic voltage select circuit. The input voltage measurement circuit is configured to be operable for measuring an input line voltage to determine whether the gas fired pool heater unit is connected with the first voltage or the second voltage. The automatic voltage select circuit is configured to be operable for configuring the control for the correct input line voltage as measured by the input voltage measurement circuit.