Bed microclimate control using humidity measurements
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Solution Overview
Problem
Existing bed systems fail to effectively control microclimate conditions, particularly humidity and temperature, leading to discomfort due to heat and humidity accumulation from body heat and sweating, which affects sleep quality.
Innovation Solution
A bed system that includes a humidity sensor and air controller to measure and adjust temperature and humidity levels based on real-time humidity readings, using a fan assembly to regulate airflow and maintain optimal microclimate conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a fan assembly is used to draw air from the bed layers to remove heat and humidity, then the microclimate temperature and humidity control is improved, but the device complexity increases due to additional components like humidity sensors and control systems
Solution Approach 1:
The air controller is designed to perform multiple functions: it controls the fan assembly for air circulation, monitors temperature via temperature sensors, and now also monitors humidity via humidity sensors. By integrating these functions into a single control unit, the system manages microclimate conditions comprehensively without proportionally increasing complexity.
Solution Approach 2:
The system implements feedback control by using humidity sensors to detect microclimate humidity levels and automatically adjusting fan operation accordingly. When humidity exceeds a threshold, the controller increases fan speed to enhance air circulation and remove excess humidity, creating a closed-loop control system that maintains optimal microclimate conditions.
2Reliability
If humidity sensing and automatic adjustment systems are added to control microclimate conditions, then sleep quality and comfort are improved, but the manufacturing cost increases
Solution Approach 1:
The bed system is designed to automatically monitor and adjust its own microclimate conditions without external intervention. The humidity sensors continuously detect humidity levels, and the air controller automatically adjusts fan operation based on detected conditions, eliminating the need for manual adjustment and reducing long-term operational complexity.
Solution Approach 2:
The system dynamically changes operational parameters (fan speed, air circulation rate) based on detected humidity levels. By adjusting the fan assembly's operation in response to humidity sensor feedback, the system maintains optimal microclimate conditions through parameter modulation rather than through complex mechanical adjustments.
3Quantity of substance
If the fan assembly operates at high speed to remove accumulated humidity, then humidity control is improved, but energy consumption increases
Solution Approach 1:
The fan assembly operates dynamically with variable speed controlled by the air controller. Rather than running at constant high speed, the fan adjusts its rotation speed based on real-time humidity sensor feedback, operating at higher speeds only when humidity removal is needed and at lower speeds when conditions are acceptable, thereby reducing overall energy consumption.
Solution Approach 2:
The system employs periodic monitoring and adjustment cycles where the humidity sensor continuously detects conditions and the controller intermittently adjusts fan operation accordingly. This periodic control approach, rather than continuous high-speed operation, reduces energy consumption while maintaining effective humidity management through on-demand air circulation enhancement.
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 provides personalized and automatic adjustment of microclimate settings, enhancing comfort and sleep quality by effectively managing humidity and temperature fluctuations.
Implementation Method 1
controlling a fan to draw the air from the layers or push the air out of the layers
Implementation Method 2
The air controller includes a fan assembly configured to cause air to flow, a humidity sensor configured to detect humidity of air
Data Source
AI summary
Bed tools, systems, and methods are provided to control a microclimate (e.g., temperature, humidity, etc.) at a bed top to provide desired comfort and quality sleep experience. A bed system can include a bed microclimate control subsystem configured to obtain microclimate humidity and to set or adjust operating characteristics (e.g., temperature setpoint) based at least in part on the obtained humidity.