Circulator Door Sequencing for Airflow Control in Air Conditioners
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Solution Overview
Problem
Air-conditioners face challenges in efficiently controlling airflow and preventing collisions, failures, and noise during the opening and closing of structures, while also lacking advanced features like voice recognition and humidification functions.
Innovation Solution
The air-conditioner incorporates a circulator door and module that move based on product ON/OFF commands, utilizing sensors for efficient control and collision prevention, and includes features like voice recognition and humidification, with a controller managing these functions for improved operation and user convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a circulator door and circulator module are used for airflow control, then airflow control efficiency is improved, but collision and failure between structures may occur during opening and closing
Solution Approach 1:
The control unit controls the circulator door to be opened before the circulator module moves forward, and controls the circulator module to move backward before controlling the circulator door to be closed. This preliminary sequencing of actions prevents collision between the circulator door and circulator module during operation.
Solution Approach 2:
The circulator module is designed to move forward and backward dynamically based on operational requirements, allowing the system to adapt its configuration for optimal airflow control while the control unit manages the dynamic coordination between moving components to prevent collisions.
2Adaptability or versatility
If the circulator module moves forward and backward, then operational flexibility is improved, but noise during operation may increase
Solution Approach 1:
The control unit sequences operations to move the circulator module backward before closing the circulator door, ensuring that high-noise operations are completed before the door closes, and maintains operational flexibility while managing noise through controlled sequencing.
3Measurement precision
If sensors are used for control, then control precision is improved, but device complexity increases
Solution Approach 1:
The control unit uses sensing data from sensors to automatically determine the positions of the circulator door and circulator module, and autonomously controls their opening/closing and movement without requiring complex external control systems, achieving precise control while managing complexity through self-service operation.
Data Source
AI summary
Disclosed is an air-conditioner including a front panel forming an appearance of a front portion, a circulator door disposed at the front panel and moving in an up-down direction so as to be opened and closed, a circulator module moving backward based on a product OFF command and moving forward based on a product ON command, and a controller controlling the circulator door to move in a downward direction so as to be opened and the circulator module to move forward based on the product ON command, whereby the circulator door and the circulator module may be efficiently controlled.