HVAC Controller Auto Addressing for Faster Network Setup
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Solution Overview
Problem
Conventional HVAC systems require manual programming of network addresses for each unit, leading to increased installation time, costs, and potential errors, and they often need battery backup to maintain date and time settings, which can be unreliable.
Innovation Solution
An HVAC controller that automatically generates a unique default network address using a seed value, such as GPS coordinates or a serial number, and employs GPS data to determine the current date and time, eliminating the need for manual configuration and battery backup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual programming of network addresses is used for each HVAC unit, then proper communication can be ensured, but installation time and costs increase and errors may occur
Solution Approach 1:
The HVAC controller automatically generates its own unique network address using a seed value stored in its memory, eliminating the need for manual programming by technicians. This self-service approach reduces installation time and potential for human error while maintaining communication reliability through the use of unique, systematically generated addresses.
Solution Approach 2:
The unique network address is pre-configured in the controller's memory during manufacturing by storing a seed value that can be used to generate the address. This preliminary action ensures that the controller is ready for immediate network communication without requiring post-installation configuration, thereby reducing installation time while ensuring proper communication.
2Reliability
If manual programming of network addresses is used for each HVAC unit, then proper communication can be ensured, but installation costs increase
Solution Approach 1:
The automatic self-configuration of network addresses eliminates the need for skilled technician time for manual programming, directly reducing installation labor costs. The system performs the configuration task itself using pre-stored seed values, making the installation process more cost-effective while maintaining communication reliability.
Solution Approach 2:
The patent uses a simple seed value stored in memory that can be easily processed to generate network addresses, replacing the need for expensive manual configuration services. This approach uses low-cost automated processes instead of high-cost human labor, reducing overall installation costs while ensuring reliable communication.
3Reliability
If battery backup is used to maintain date and time settings, then operation during power loss can be maintained, but system complexity and potential points of failure increase
Solution Approach 1:
The patent removes the battery backup component from the system by using GPS data to continuously obtain and update the date and time. This extraction of the battery subsystem eliminates a potential point of failure and reduces system complexity while maintaining the ability to provide accurate date and time information during operation.
Solution Approach 2:
The GPS receiver serves multiple functions: it provides location data, current time, and date information. By using this multi-functional component, the system eliminates the need for separate battery backup hardware while still maintaining accurate temporal information, thereby reducing overall system complexity without sacrificing operational reliability.
Data Source
AI summary
An HVAC controller, a method for operating a HVAC unit and a HVAC unit are disclosed herein. In one embodiment, the HVAC controller includes: (1) a memory configured to store a unique default network address for the controller and (2) a processor configured to automatically generate the unique default network address based on a seed value that is uniquely associated with the HVAC unit.