Automated drainpipe clearing systems with self-cleaning check valves and methods therefore
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Solution Overview
Problem
Drainpipes in air-conditioning systems and other water disposal systems are prone to clogging due to debris and bio-slime formation, leading to water spillage and damage without adequate warning, necessitating costly and inconvenient professional interventions.
Innovation Solution
An automated drainpipe clearing device with a suction conduit and axial flow check valve, connected to a vacuum source and controlled by a controller, periodically applies vacuum pressure to remove debris and prevent clogging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If professional services are used to clear clogged drainpipes, then clogging is removed, but cost and convenience deteriorate
Solution Approach 1:
The system performs automatic drainpipe clearing without human intervention. The controller activates the vacuum source at predetermined intervals to suction debris from the drainpipe, and the check valve automatically prevents backflow, enabling the system to maintain itself without professional services.
Solution Approach 2:
The system performs preventive maintenance by clearing debris before clogging occurs. The controller is programmed to activate the vacuum source at predetermined intervals to remove accumulated debris and bio-slime, preventing blockages before they impact drainpipe functionality.
2Reliability
If manual clearing is performed by occupants, then clogging is removed, but time and effectiveness deteriorate
Solution Approach 1:
The system automatically monitors and clears the drainpipe without requiring occupant intervention. The controller manages the vacuum source activation and check valve operation, eliminating the time occupants would spend on manual clearing while maintaining reliable drainpipe functionality.
Solution Approach 2:
The system provides continuous protection against clogging through predetermined interval operation. Rather than waiting for clogging to occur and then responding, the vacuum source operates continuously at scheduled intervals to prevent blockages, eliminating response time delays.
3Reliability
If frequent professional cleaning is performed, then clogging is prevented, but cost increases
Solution Approach 1:
The system eliminates the need for expensive professional cleaning services by performing automatic maintenance. The vacuum source, controlled by a timer, clears debris regularly without human intervention, replacing costly professional services with an automated low-cost system.
Solution Approach 2:
The system uses predetermined interval operation to clear debris before significant blockages form. The controller activates the vacuum source periodically to remove accumulated bio-slime and debris, preventing the need for frequent expensive professional cleanings while maintaining drainpipe reliability.
4Productivity
If automated periodic vacuum application is implemented, then debris removal is improved, but device complexity increases
Solution Approach 1:
The check valve is designed to operate automatically without external control. It uses the pressure differential created by the vacuum source to close and prevent backflow, eliminating the need for complex control mechanisms while maintaining efficient debris removal through the automated vacuum system.
Solution Approach 2:
The check valve provides automatic feedback control by closing when vacuum pressure is applied and opening when pressure equalizes. This simple mechanical feedback mechanism regulates the vacuum application automatically, achieving efficient debris removal without complex electronic control systems.
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
Effectively maintains drainpipes by regularly clearing debris and bio-slime, reducing the risk of clogging and water damage, and minimizing the need for professional maintenance.
Implementation Method 1
automatically routinely applies vacuum pressure sufficient to hear a drainpipe of debris to prevent clogging
Implementation Method 2
The check valve closes only when the vacuum source is activated
Data Source
AI summary
An automated drainpipe clearing device is attached to the downstream end of a drainpipe. It includes a check valve and a suction conduit upstream from the check valve connected to a vacuum source. The check valve closes when suction is applied to the drainpipe through the section conduit. A controller allows the device to be programmed to automatically apply suction to a drainpipe for a predetermined amount of time at predetermined intervals. By periodically applying suction to the drainpipe, debris, mildew and mold are cleared from the drainpipe so that it does not clog. The check valve has a free-floating check valve and is self-cleaning.