Attic Ventilation Controller Coordinated With HVAC Threshold Control
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Solution Overview
Problem
Existing attic ventilation systems fail to effectively manage thermal and moisture control in building structures, leading to inefficiencies and potential damage from condensation in attic spaces.
Innovation Solution
An integrated electronic controller that coordinates the operation of powered air intake and exhaust assemblies with HVAC systems, using temperature and humidity thresholds to actuate ventilation equipment intermittently or constantly, ensuring proper thermal and moisture control regardless of HVAC system operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional attic ventilation systems are used, then moisture control is provided, but thermal control efficiency deteriorates due to lack of coordination with HVAC systems
Solution Approach 1:
The patent combines attic ventilation control with HVAC system coordination into a single integrated electronic controller. The controller receives temperature inputs from both attic space and living area, compares these readings against pre-determined thresholds, and coordinates actuation of powered air intake and exhaust assemblies with HVAC operation. This merging of functions resolves the contradiction by improving thermal control efficiency through coordinated operation while managing system complexity through integration rather than separate independent systems.
Solution Approach 2:
The electronic controller performs multiple functions: it monitors both attic and living area temperatures, compares readings against multiple threshold sets, coordinates HVAC system operation, and controls powered air intake and exhaust assemblies. This multi-functionality improves thermal control efficiency by centralizing control logic while the integrated design manages the complexity that would otherwise arise from multiple separate control systems.
2Temperature
If powered air intake and exhaust assemblies are operated constantly, then thermal and moisture control is improved, but energy consumption increases
Solution Approach 1:
The system dynamically adjusts the operation of powered air intake and exhaust assemblies based on real-time temperature comparisons against pre-determined thresholds. The controller can operate equipment at different levels - intermittently at moderate conditions and constantly at extreme conditions - optimizing thermal control while adapting energy consumption to actual environmental needs rather than running at fixed constant operation.
Solution Approach 2:
The controller changes operational parameters of the ventilation system based on temperature readings. It compares attic and living area temperatures against multiple threshold sets and adjusts whether equipment operates intermittently or constantly accordingly. This parameter change approach allows the system to improve attic temperature control when needed while reducing energy consumption during moderate conditions.
3Productivity
If independent operation of air conditioning and heating system components is used, then system simplicity is maintained, but coordination efficiency deteriorates
Solution Approach 1:
The patent merges the control of air conditioning, heating, and attic ventilation into a single electronic controller that coordinates all components based on integrated temperature data from both living area and attic space. This merging improves system coordination efficiency by ensuring all components work together toward common thermal control goals, while the integrated controller design manages the complexity that would otherwise arise from multiple independent control systems operating in isolation.
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
The solution provides efficient cooling and heating, reduces energy consumption, and prevents condensation-related damage by maintaining a neutral pressure differential and actively managing extreme conditions in attic spaces.
Implementation Method 1
A powered air intake and powered attic exhaust assembly are operated intermittently, in coordination with the HVAC system
Implementation Method 2
A temperature input and humidity input receive ambient temperature and humidity readings, respectively. The ambient measurements are compared to pre-determined temperature and humidity thresholds.
Implementation Method 3
integrated attic ventilation, air conditioning and heating system electronic controller... provides efficient cooling and heating of a living area
Data Source
AI summary
An integrated attic ventilation, air conditioning and heating system electronic controller, with a system and method for use of the same, is disclosed. In one embodiment, the integrated electronic controller includes a housing configured to be secured within an attic space in a building structure having a living area. A temperature input and humidity input receive ambient temperature and humidity readings, respectively. The ambient measurements are compared to pre-determined temperature and humidity thresholds. If a threshold is exceeded, signals are send to actuate, in a coordinated fashion, a powered air intake and powered attic exhaust assembly. The powered air intake and powered attic exhaust assembly are operated intermittently, in coordination with the HVAC system, initially at a first set of extreme thresholds and operated constantly at a second set of more extreme thresholds.