Ceiling type indoor unit of air conditioner
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Ceiling type indoor air conditioner units do not provide effective airflow control to improve user concentration, relying solely on temperature control without considering directional airflow adjustments.
Innovation Solution
The implementation of a control method that utilizes multiple vane modules at different inclination angles to direct airflow, alternating their angles based on room temperature to enhance airflow distribution and occupant concentration during cooling and heating operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If only temperature control is provided without directional airflow adjustment, then the control system is simple, but user concentration cannot be improved
Solution Approach 1:
The discharge vanes are divided into multiple independent modules (first discharge pair and second discharge pair) that can be controlled separately. Each vane module can be adjusted to different inclination angles independently, allowing directional airflow control to different regions of the room while maintaining a relatively simple overall control structure.
Solution Approach 2:
The vane modules are designed to be dynamically adjustable during operation. The control method alternates between different vane configurations (first configuration with first pair at angle α1 and second pair at angle α2, then switches to second configuration with angles swapped) to create moving airflow patterns that enhance user concentration without requiring complex permanent structural changes.
2Productivity
If multiple vane modules with different inclination angles are used to rapidly cool or heat a room, then airflow distribution is enhanced, but device complexity increases
Solution Approach 1:
The discharge system is segmented into multiple vane modules (first discharge pair and second discharge pair) positioned at different locations. Each module can be independently controlled to different inclination angles, enabling rapid distribution of conditioned air to multiple room zones simultaneously, thereby increasing cooling/heating productivity while keeping each individual vane module relatively simple.
Solution Approach 2:
The control method employs periodic switching between two vane configurations. The system alternates between the first configuration (first pair at α1, second pair at α2) and the second configuration (first pair at α2, second pair at α1) at predetermined time intervals. This periodic action creates dynamic airflow patterns that enhance heat transfer efficiency and accelerate cooling/heating without requiring complex continuous adjustment mechanisms.
3Adaptability or versatility
If set temperature is repeatedly adjusted in steps, then airflow patterns are optimized for concentration improvement, but control time increases
Solution Approach 1:
The control method uses periodic switching between two vane configurations at predetermined time intervals. Instead of making multiple small incremental adjustments, the system alternates between configuration 1 (first pair at α1, second pair at α2) and configuration 2 (first pair at α2, second pair at α1). This periodic action optimizes airflow patterns for concentration improvement while minimizing control time by using only two discrete states rather than continuous adjustment.
Solution Approach 2:
The control method changes the operational parameters (vane inclination angles) between two distinct states. By switching between the first configuration and second configuration with different angle assignments, the system optimizes airflow patterns for different operational phases. This discrete parameter change approach achieves concentration improvement without the time loss associated with gradual step-by-step adjustments.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
According to the present disclosure, during a cooling operation, a reference set temperature Ts0 is increased by 1°C after a first control to set a set temperature Ts, the set temperature Ts is further increased by 1°C after a second control to set the set temperature Ts, the second control is repeated after the set temperature Ts increases by 2°C from the reference set temperature Ts0, and the set temperature Ts increased by 2°C can be decreased to the reference set temperature Ts0 step by step.