Wireless HVAC Zone Control to Reduce Installation Complexity

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Solution Overview

Problem

Existing HVAC zone control systems are costly and complex due to the need for wired connections between zone panels, zone thermostats, and damper actuators, increasing installation time and complexity.

Innovation Solution

An integrated zone control system that uses a main temperature control device communicatively coupled to wireless damper actuators and zone temperature control devices, eliminating the need for a zone panel by enabling wireless communication and control between the main thermostat, zone thermostats, and damper actuators.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a zone panel is used to connect zone controllers, zone thermostats, and dampers, then the control system can function properly, but the system complexity and installation cost increase

Engineering Contradiction:
Improvecontrol system functionalityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent removes the zone panel from the traditional HVAC control architecture. Instead of routing all control signals through a central zone panel, the system allows zone controllers to communicate directly with dampers and thermostats via wireless communication, extracting the intermediary component that added complexity without providing essential functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The zone controller is enhanced to perform multiple functions: it acts as both a temperature control device and a communication hub that can directly control dampers and receive data from thermostats wirelessly. This multi-functionality eliminates the need for separate dedicated components like the zone panel.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If wired connections are used between zone panel, zone thermostats, and damper actuators, then reliable communication is achieved, but installation time and complexity increase

Engineering Contradiction:
Improvecommunication reliabilityVSAvoidinstallation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces the mechanical wired connection system with a wireless communication system. Zone controllers, thermostats, and damper actuators communicate via wireless signals, eliminating the need for physical wiring between components while maintaining communication reliability through protocol design and error handling.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If multiple components (zone panel, zone controllers, thermostats, dampers) are used, then comprehensive zone control is achieved, but the number of components and installation complexity increase

Engineering Contradiction:
Improvezone control capabilityVSAvoidnumber of components
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the functions of the zone panel, zone controllers, and communication interfaces into integrated zone controller units. Each zone controller can independently manage its associated damper and thermostat, combining what were previously separate components into unified functional units that reduce overall system complexity while maintaining comprehensive zone control capability.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS11092346B2Integrated zone control system
Publication Date: 2021.08.17 TYCO FIRE & SECURITY GMBH
  • US11092346B2 patent drawing
  • US11092346B2 patent drawing
  • US11092346B2 patent drawing

AI summary

A zoning system for a heating, ventilation, and/or air conditioning (HVAC) system includes a temperature control device configured to monitor a temperature in a zone of a structure for conditioning by the HVAC system and configured to send a wireless control signal including data based on the temperature, and a damper actuator configured to be associated with the zone and configured to adjust a position of a damper to control an airflow into the zone, where the damper actuator is configured to receive the wireless control signal from the temperature control device and configured to adjust the position of the damper based on the data.