Modular HVAC System with Shared Components to Reduce Energy Waste
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Solution Overview
Problem
Traditional HVAC systems waste energy due to independent operation of appliances and redundant parts, leading to inefficiency and higher costs.
Innovation Solution
An integrated HVAC system with modular design, including airflow switch modules, a fan module, heat exchanger modules, and a controller module, which allows for efficient switching of air flow and heat exchange between appliances, reducing material usage and energy waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If each appliance (A/C, pool heater, etc.) is designed to fulfill its own purpose independently with its own condenser, evaporator, and fan, then each appliance can operate autonomously, but this results in wasted energy and redundant material usage
Solution Approach 1:
The patent combines multiple independent HVAC appliances (A/C, pool heater, hot water tank) into a single integrated system that shares common components including one condenser, one evaporator, one fan, and a common refrigerant circuit. This merging eliminates redundant components while enabling the system to perform multiple functions (cooling, heating, hot water production) through intelligent control of the shared components, thereby reducing energy waste and material usage.
Solution Approach 2:
The integrated HVAC system designs the shared condenser, evaporator, and fan to serve multiple appliances simultaneously. The system can switch between different operational modes (cooling mode, heating mode, hot water mode) by controlling the direction of refrigerant flow and air flow, allowing each component to perform universal functions across different appliances rather than being dedicated to a single purpose.
2Ease of repair
If each appliance has its own condenser, evaporator, and fan, then each appliance can be independently maintained, but this leads to higher material usage and higher purchase and maintenance costs
Solution Approach 1:
The patent merges the condenser, evaporator, fan, and refrigerant circuit into a single shared subsystem that serves multiple appliances. This reduces the total amount of materials (metal, refrigerant, electrical components) required compared to having separate systems for each appliance. The modular design allows the shared components to be accessed and maintained as a unified unit, reducing overall maintenance complexity despite the reduced component count.
3Reliability
If traditional HVAC systems use separate appliances for cooling and heating, then each appliance can be optimized for its specific function, but this results in higher equipment costs and higher operating costs
Solution Approach 1:
The patent combines multiple HVAC functions (air conditioning, heating, hot water production) into a single integrated system with shared components. This reduces the total number of separate appliances and equipment needed in the system, simplifying the overall device complexity while maintaining the ability to perform each function reliably through intelligent control of the shared components.
Solution Approach 2:
The shared condenser, evaporator, and fan are designed to perform multiple functions (cooling, heating, dehumidification) by changing the direction of refrigerant flow and air flow. The system uses electronic expansion valves, four-way valves, and controller logic to switch between different operational modes, allowing universal components to replace multiple specialized appliances.
4Loss of energy
If an integrated HVAC system shares condenser, evaporator, and fan among multiple appliances, then material usage is reduced and energy efficiency is improved, but the system complexity increases
Solution Approach 1:
The integrated HVAC system is designed with modular segments that can be independently controlled. The refrigerant circuit is divided into different flow paths using four-way valves and electronic expansion valves, allowing the system to segment the refrigerant flow to different appliances based on operational needs. This segmentation enables complex multi-functional operation while maintaining manageable system architecture through clear modular boundaries.
Solution Approach 2:
The patent uses intermediary components such as four-way valves, electronic expansion valves, and a central controller to mediate between the shared components and multiple appliances. These intermediaries manage the complex refrigerant flow distribution and control logic, allowing the integrated system to achieve high energy efficiency while keeping the system architecture manageable through the use of intelligent mediation layers.
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 system enhances thermal utilization, reduces operating and equipment costs, improves reliability and reparability, and can be tailored to user needs, with potential integration with smart home devices and AI for optimized operation.
Implementation Method 1
The heat exchanger exchanges heat with the air flowing therethrough
Implementation Method 2
The heat exchanger is connected to a compressor such that heat from compressed refrigerant dissipates from the heat exchanger
Data Source
AI summary
An HVAC system is provided that is modular. The system may contain condenser modules, heat exchanger modules, and heat pump modules that can replace each other. Heat generated from the condenser modules may be recycled by the heat exchanger modules and/or the heat pump modules, using the air flowing in the system as the medium.