HVAC System Control Using Future Weather Data for Energy Efficiency
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Solution Overview
Problem
Conventional HVAC systems are not well-equipped to handle changes in external weather conditions and only react after the change has occurred, leading to inefficiencies in energy usage and indoor air quality management.
Innovation Solution
A method and apparatus that utilize future weather data to determine and implement an operation schedule for the HVAC system, adjusting components such as the blower, vent fans, and refrigerant flow to optimize energy usage and indoor air quality based on predicted weather patterns and user-set temperature and humidity ranges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conventional HVAC systems react only after weather changes occur, then the system structure remains simple, but energy efficiency deteriorates
Solution Approach 1:
The HVAC system obtains future weather data and determines operation schedules in advance before weather changes occur. The controller proactively adjusts system operations based on predicted weather conditions, transitioning from reactive to predictive control to improve energy efficiency while maintaining manageable system complexity through software-based scheduling.
2Object-affected harmful factors
If the HVAC system operates continuously to maintain indoor conditions, then indoor air quality is maintained, but energy consumption increases
Solution Approach 1:
The HVAC system operates periodically based on determined schedules rather than continuously. The controller adjusts operation timing and duration according to future weather predictions and indoor air quality requirements, allowing the system to cycle on and off strategically to maintain air quality while reducing overall energy consumption.
Solution Approach 2:
The system pre-determines operation schedules based on forecasted weather conditions and indoor air quality requirements. By planning operations in advance, the system can accumulate necessary air exchanges during favorable conditions and reduce operations during unfavorable periods, balancing air quality maintenance with energy conservation.
3Productivity
If the HVAC system adjusts operations based on future weather data, then energy efficiency improves, but system complexity increases
Solution Approach 1:
A controller serves as an intermediary between future weather data and HVAC system operations. The controller obtains weather data, determines appropriate operation schedules, and executes control decisions, simplifying the integration of predictive capabilities while improving system efficiency without requiring complex modifications to the core HVAC components.
4Adaptability or versatility
If the HVAC system uses predictive control based on weather data, then responsiveness to weather changes improves, but measurement and detection difficulty increases
Solution Approach 1:
The controller acts as an intermediary that obtains future weather data from external sources and translates it into actionable operation schedules. This intermediary approach simplifies weather data acquisition and processing, enabling the system to adapt to weather changes predictively without requiring complex weather detection or measurement capabilities within the HVAC system itself.
Data Source
AI summary
A method for monitoring and controlling an environment of an indoor space within a building includes obtaining a future weather data for an area where the building is located, the building including a heating, ventilation, and air conditioning (HVAC) system configured to control the environment within the indoor space; receiving at least one of a current temperature and a current humidity within the indoor space; receiving at least one of a temperature range and a humidity range for the indoor space; determining an operation schedule for the HVAC system based on at least the future weather data and the at least one of the temperature range and the humidity range; and controlling operation of the HVAC system in accordance with the operation schedule.