Automated HVAC condensation drain injection system and method
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Solution Overview
Problem
HVAC systems face issues with condensation drain line clogging due to bacterial and fungal growth, leading to operational failures and potential flooding, with existing systems lacking customizable pump and agent delivery settings.
Innovation Solution
An automated HVAC condensation drain injection system that uses a programmable pump to deliver anti-microbial agents at predetermined volumes and frequencies, preventing microbial growth and clogging by connecting an agent reservoir to the condensation drain line through an injection system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a programmable pump is used to deliver anti-microbial agents at predetermined volumes and frequencies, then the effectiveness of preventing microbial growth is improved, but the device complexity increases
Solution Approach 1:
The system enables automated self-service operation where the programmable pump automatically delivers anti-microbial agents at predetermined volumes and frequencies without requiring manual intervention. The controller stores operational instructions and executes them autonomously, allowing the system to maintain itself and prevent microbial growth without continuous human operation.
Solution Approach 2:
The system implements preliminary action by pre-programming the pump with predetermined volumes and frequencies of agent delivery before operation begins. The controller stores operational instructions in advance, and the system is configured with an agent reservoir ready for deployment, allowing immediate effective operation without requiring setup during critical periods.
2Productivity
If automated injection system is implemented, then the productivity of drain line maintenance is improved, but the device complexity increases
Solution Approach 1:
The automated injection system performs self-service maintenance by automatically injecting anti-microbial agents into the drain line according to predetermined schedules, eliminating the need for manual intervention in routine maintenance tasks and significantly improving productivity.
Solution Approach 2:
The system implements periodic action through the programmable pump that delivers agents at predetermined frequencies and time intervals. The controller executes stored operational instructions to perform maintenance cycles automatically, maximizing the efficiency and productivity of drain line maintenance operations.
3Adaptability or versatility
If user-defined operational settings are allowed, then the adaptability to different environments is improved, but the ease of operation decreases
Solution Approach 1:
The system implements dynamics by allowing user-defined operational settings that can be adjusted based on different environmental conditions and requirements. The controller accepts and stores customized operational instructions, enabling the system to adapt its agent delivery parameters to match specific drainage needs and environmental factors.
Solution Approach 2:
The system enables parameter changes by allowing users to modify operational settings such as agent volume, frequency, and timing parameters. These parameter adjustments are stored in the controller and executed by the programmable pump, providing adaptability to different environments while maintaining ease of operation through a user-friendly interface.
Data Source
AI summary
An automated HVAC condensation drain injection system for inhibiting or preventing the growth of microorganism and preventing clogging for a condensation drain line is disclosed. The automated HVAC condensation drain injection system includes an agent disposed within an agent reservoir. An HVAC air handler is in fluid communication with a condensation drain line to direct the flow of condensation from a drip tray of the HVAC air handler to a drain line exit port. A programmable pump draws a predetermined volume of the agent from the agent reservoir and injects a predetermined volume of the agent through an injection system and into the condensation drain line.