Containerized HVAC Ducting for Supply and Exhaust Separation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing HVAC systems in containerized electronic equipment face inefficiencies due to the mixing of supply and exhaust air, leading to reduced cooling efficiency and increased energy consumption.
Innovation Solution
Implementing a duct system with temperature sensors and dampers to separate supply and exhaust air, allowing for precise control of airflow to individual components and modules within the container, using control loops to adjust HVAC operation based on temperature readings and component-specific needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If supply and exhaust air are mixed in the containerized HVAC system, then the system structure is simpler, but cooling efficiency decreases and energy consumption increases
Solution Approach 1:
The patent segments the airflow paths by introducing separate ducts for supply air and exhaust air. The supply duct delivers conditioned air from the HVAC unit to equipment racks, while the exhaust duct removes hot air from the racks. This segmentation prevents mixing of supply and exhaust air, improving cooling efficiency and reducing energy consumption, though it increases system structural complexity.
Solution Approach 2:
The patent introduces ducts as intermediary structures to facilitate controlled airflow. These ducts act as mediators between the HVAC unit and equipment racks, ensuring that supply air reaches its destination without mixing with exhaust air. The duct system includes supply ducts, exhaust ducts, and associated components like dampers and temperature sensors to manage the airflow paths effectively.
2Productivity
If ducts are introduced to separate supply and exhaust air, then cooling efficiency improves, but device complexity increases
Solution Approach 1:
The patent segments the airflow paths by introducing separate ducts for supply air and exhaust air. The supply duct delivers conditioned air from the HVAC unit to equipment racks, while the exhaust duct removes hot air from the racks. This segmentation prevents mixing of supply and exhaust air, improving cooling efficiency and reducing energy consumption, though it increases system structural complexity.
Solution Approach 2:
The duct system is designed to serve multiple functions: supply ducts deliver conditioned air, exhaust ducts remove hot air, dampers regulate airflow, and temperature sensors monitor conditions. This multi-functionality approach consolidates various airflow control tasks into a unified duct system, improving cooling efficiency while managing system complexity through integrated design.
3Stability of the object's composition
If airflow is precisely controlled to individual components, then temperature stability improves, but control system complexity increases
Solution Approach 1:
The patent implements local quality control by placing temperature sensors at specific locations near equipment racks and using dampers to regulate airflow to individual racks or zones. This allows the system to adjust cooling delivery based on local temperature conditions and heat generation patterns, improving temperature stability while managing control complexity through localized adjustments rather than system-wide changes.
Solution Approach 2:
The patent incorporates temperature sensors that continuously monitor air temperature and provide feedback to the control system. This feedback mechanism enables the system to detect temperature changes and adjust damper positions or HVAC operation accordingly, maintaining temperature stability through closed-loop control while managing complexity through automated response algorithms.
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
Enhances cooling efficiency by optimizing airflow to each component, reducing energy consumption, and maintaining a stable temperature environment within the containerized equipment racks.
Implementation Method 1
a duct system with temperature sensors and dampers to separate supply and exhaust air
Implementation Method 2
temperature sensors and dampers to separate supply and exhaust air, allowing for precise control of airflow
Implementation Method 3
dampers to further regulate the availability of HVAC output to the devices of different racks
Implementation Method 4
separating intake air from exhaust air allows a higher operational efficiency of the HVAC system
Data Source
AI summary
Disclosed is a containerized heating, ventilation, and air-conditioning (HVAC) system comprising an HVAC unit and one or more ducts from the HVAC unit to an equipment rack. The ducts prevent mixing between the fresh and exhaust airflow, thus improving efficiency. Sensors located at sources of heat generating equipment within the racks may be used by controllers to monitor temperatures of the components at the source of heat generation, typically at the highest temperatures. The temperatures may be aggregated to determine the temperatures of devices, modules, racks, and the container interior cavity. Dampers on the ducts, at the rack inlets, at the module inlets, at the devices inlets, and such may assist in regulating airflow preferentially to the hottest components, devices, modules, or racks.