Air conditioner control device, control method, and air conditioner control system
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Solution Overview
Problem
Existing air conditioner control systems fail to effectively account for solar radiation and its impact on heat load, leading to inefficient temperature control and user discomfort in perimeter zones.
Innovation Solution
An air conditioner control system that utilizes a user terminal to measure illuminance, estimate solar radiation, and derive a correction value to adjust the set temperature based on the heat load difference between interior and perimeter zones, allowing for precise control of air conditioners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single intake temperature sensor is used to control air conditioner capacity, then the control system is simple, but temperature control accuracy deteriorates in perimeter zones affected by solar radiation
Solution Approach 1:
The patent divides the measurement function into two separate sensors: an intake temperature sensor for general temperature control and a perimeter temperature sensor specifically for detecting solar radiation effects. This segmentation allows the system to independently measure and compensate for solar-induced temperature variations without complicating the overall control architecture.
Solution Approach 2:
The control device acts as an intermediary that receives temperature data from both sensors, calculates the solar radiation impact based on the temperature difference, and adjusts the air conditioner capacity accordingly. This intermediary processing layer enables accurate compensation for solar effects without requiring direct complex sensing in the perimeter zones.
2Use of energy by moving object
If air conditioner capacity is controlled solely by indoor temperature, then energy consumption is reduced through simple control, but user comfort deteriorates in perimeter zones with high solar heat load
Solution Approach 1:
The system implements a feedback mechanism where the perimeter temperature sensor continuously monitors temperature in solar-affected zones, and the control device uses this feedback to dynamically adjust air conditioner capacity. This closed-loop control maintains user comfort in perimeter zones while optimizing energy consumption by only activating additional capacity when solar radiation effects are detected.
3Ease of operation
If uniform temperature control is applied to all zones, then the control system is simple to operate, but temperature regulation accuracy deteriorates in perimeter zones
Solution Approach 1:
The patent applies local quality by providing differentiated temperature control for perimeter zones versus interior zones. The control device calculates a solar radiation correction value based on perimeter temperature sensor data and applies this correction specifically to perimeter zone air conditioners, while interior zones continue with standard temperature control. This localized approach improves temperature regulation accuracy in solar-affected areas without complicating overall system operation.
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
Enhances user comfort by optimizing air conditioner operation based on solar radiation, reducing energy consumption and improving temperature regulation in perimeter zones.
Implementation Method 1
an illuminance sensor to measure illuminance and estimate an amount of solar radiation from the measured illuminance
Data Source
AI summary
An air conditioner control device of an embodiment includes: illuminance acquisition unit; a heat load acquisition unit; a target zone determination unit; and a derivation unit. The illuminance acquisition unit is configured to acquire illuminance measured by a user terminal. The heat load acquisition unit is configured to estimate an amount of solar radiation from the acquired illuminance and acquire a heat load from the estimated amount of solar radiation. The target zone determination unit is configured to determine whether or not a target zone including a location where the user terminal measures the illuminance is a perimeter zone. The derivation unit is configured to derive a correction value for a set temperature of the air conditioner in accordance with a determination result of the target zone determination unit and the acquired heat load.