Power Detector for Pool Bus Voltage Conflict Resolution
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Solution Overview
Problem
Pool and spa systems face challenges in monitoring and controlling power supply between devices via communication network buses, leading to potential power conflicts and data collisions.
Innovation Solution
A power detector system that includes a control device with a power source, voltage regulator, and power detector, which monitors voltage and traffic on the communication network bus to enable or disable the voltage regulator, preventing power conflicts and data collisions by adjusting power supply based on threshold voltages and traffic conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the control device continuously provides power through the voltage regulator to ensure reliable operation, then the reliability of device operation is improved, but energy waste increases when auxiliary devices are already providing sufficient power or when the bus is idle
Solution Approach 1:
The power detector continuously monitors the voltage on the communication bus and provides feedback to the controller. Based on this feedback, the controller intelligently controls the voltage regulator to enable or disable power provision, ensuring reliable operation only when necessary and avoiding energy waste when auxiliary power is sufficient or the bus is idle.
Solution Approach 2:
The system dynamically adjusts the power provision state of the voltage regulator based on real-time bus voltage conditions. The controller transitions the voltage regulator between enabled and disabled states according to detected voltage levels, making the power supply adaptive rather than static, thus balancing reliability and energy efficiency.
2Productivity
If the voltage regulator is enabled to provide auxiliary power to devices on the bus, then the productivity and operation of auxiliary devices is improved, but power conflicts occur when multiple devices attempt to provide power simultaneously
Solution Approach 1:
The power detector acts as an intermediary that monitors bus voltage conditions and provides information to the controller. This intermediary function allows the system to detect when auxiliary power is already present on the bus, enabling the controller to disable the voltage regulator and prevent power conflicts while still allowing auxiliary devices to operate when needed.
Solution Approach 2:
The system performs preliminary detection of bus voltage conditions before enabling the voltage regulator. By checking whether auxiliary power is already present on the bus, the system takes preventive action to avoid enabling the voltage regulator when it would create a power conflict, thus eliminating the harmful effect before it occurs.
3Measurement precision
If the power detector monitors voltage continuously to detect auxiliary power presence, then the measurement precision of power detection is improved, but the device complexity and processing load increase
Solution Approach 1:
The power detector monitors voltage continuously to ensure high detection precision, but the controller applies a threshold-based decision rule that simplifies the response. Instead of complex analysis, the system uses straightforward voltage threshold comparisons to determine whether to enable or disable the voltage regulator, achieving high measurement precision without proportionally increasing device complexity.
Data Source
AI summary
Systems and methods for controlling power on a communication network bus connecting an auxiliary device and a control device in a pool or spa system. The control device includes a power source for providing voltage to the device and a power detector. The auxiliary device can provide additional voltage to the control device via the communication network bus. The power detector may be capable of detecting voltage received by the control device via the communication network bus. The power detector may also be capable of detecting traffic (e.g., communication) by the control device or the auxiliary device via the bus and/or data collision on the bus. The power detector is configured to enable or disable the power source of the control device based on voltage detected on the communication network bus, traffic detected on the communication network bus, and/or data collision detected on the communication network bus.