VAV Balancing Profiles for Simultaneous Airflow and Water Balancing
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Solution Overview
Problem
Variable Air Volume (VAV) systems require extensive time and resources to balance thousands of VAV boxes due to differences in controller models and the need for individual command formatting, which limits efficiency and increases costs.
Innovation Solution
A system that sends a single VAV balancing command to multiple VAV controllers based on their specific profiles, allowing simultaneous balancing and generating reports in user-selectable formats authenticated with a trusted certificate to reduce time and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If individual balancing commands are sent to each VAV controller, then each controller can be balanced accurately according to its specific profile, but the time and resources required for balancing thousands of VAV boxes increases substantially
Solution Approach 1:
The system segments the large task of balancing thousands of VAV boxes into smaller manageable groups or zones. The balancing handler can process and send commands to multiple controllers in parallel batches, reducing the overall time while maintaining individual controller accuracy through profile-specific formatting.
Solution Approach 2:
VAV balancing profiles are pre-configured and stored in the system, containing the specific formatting requirements for different controller models. When balancing is needed, the system retrieves these pre-prepared profiles and applies them automatically, eliminating the need to manually create individual commands for each controller type.
2Productivity
If multiple VAV controllers are balanced simultaneously with a single command, then time and costs are reduced, but the complexity of handling different controller models and their specific command formatting requirements increases
Solution Approach 1:
The balancing handler is designed as a universal system that can communicate with multiple different types of VAV controllers through a standardized interface. It automatically detects the controller type and applies the appropriate profile, making the system capable of handling diverse controller models through a single multi-functional platform.
Solution Approach 2:
The VAV balancing profile acts as an intermediary layer between the balancing handler and the various VAV controllers. The profile contains the specific formatting rules and communication protocols for different controller types, translating the universal balancing command into controller-specific instructions without requiring the handler to directly manage each controller's unique requirements.
3Loss of information
If comprehensive balancing data is collected from multiple VAV controllers, then detailed analysis and reporting are enabled, but the processing and management of this data becomes more complex
Solution Approach 1:
The system creates standardized digital copies of balancing data from multiple VAV controllers in a uniform format. By normalizing the data structure during collection, the system enables comprehensive data analysis while simplifying processing, as all data follows the same template regardless of the source controller type.
Data Source
AI summary
Devices and methods for airflow and water balancing are described herein. For example, one or more embodiments include receiving, with a balancing handler, a signal that includes a variable air volume (VAV) balancing command for multiple VAV controllers; determining VAV balancing profiles associated with each of the multiple VAV controllers; and sending the VAV balancing command to the multiple VAV controllers in accordance with the VAV balancing profiles.