Bed air control system
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Solution Overview
Problem
Current bed systems lack effective microclimate control, leading to discomfort due to temperature and humidity fluctuations, which can disrupt sleep quality.
Innovation Solution
A bed system with a microclimate control subsystem that includes airflow pads and a fan assembly to condition air, providing heated or cooled air to the mattress, and a thermal module with temperature sensors for closed-loop control, ensuring precise temperature management and humidity regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conditioned air is supplied to the mattress through airflow pads, then temperature control precision is improved, but device complexity increases
Solution Approach 1:
The mattress is divided into multiple climate control zones with independent airflow pads, allowing localized temperature control for different body regions. Each zone can be independently controlled to achieve precise microclimate management without requiring complex centralized systems.
Solution Approach 2:
Airflow pads serve as intermediary components between the air controller and the mattress surface. These pads distribute conditioned air evenly across the mattress top surface, enabling precise temperature control while simplifying the overall system architecture by decoupling the control mechanism from direct mattress contact.
2Temperature
If air suction is used to drain heat from the mattress, then cooling effectiveness is improved, but energy consumption increases
Solution Approach 1:
The system alternates between air supply mode and air suction mode in periodic cycles. During supply mode, conditioned air is pushed through the mattress; during suction mode, air is drawn back to remove accumulated heat and moisture. This periodic operation achieves effective cooling while reducing continuous energy consumption compared to constant suction.
Solution Approach 2:
Temperature sensors embedded in the mattress provide real-time feedback to the air controller, which adjusts the fan speed and suction strength accordingly. When the mattress approaches the target temperature, the system reduces suction intensity, optimizing energy consumption while maintaining cooling effectiveness.
3Reliability
If airflow pads are integrated into the mattress structure, then microclimate control is improved, but manufacturing complexity increases
Solution Approach 1:
The airflow pads are designed as multi-functional components that serve both structural support and climate control functions. The pads are made from materials that provide both mechanical cushioning and breathable airflow characteristics, eliminating the need for separate structural and functional layers, thereby simplifying manufacturing.
Solution Approach 2:
The airflow pads are nested within the mattress layers during assembly, with the pads positioned between the mattress cover and the support core. This nested integration allows the climate control system to be incorporated into existing mattress manufacturing processes without requiring completely new production lines.
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 effectively maintains a comfortable microclimate, enhancing sleep quality by precisely controlling temperature and humidity, while minimizing disruption to the mattress's comfort and durability.
Implementation Method 1
a fan assembly configured to cause air to flow from or to the mattress
Implementation Method 2
a heating element that includes a plurality of fins that allow air flow in between the fins to be heated by the heating element
Implementation Method 3
a temperature sensor configured to sense a temperature of the air that flows from or to the mattress
Data Source
AI summary
A bed system includes microclimate control capabilities for providing quality sleep experience. The bed system can include a microclimate control subsystem configured to supply conditioned air (e.g., heated or cooled air) to a mattress, or draw ambient air from the mattress, to achieve a desired temperature at the top of the mattress. Utilizing supply of conditioned air to provide air at desired temperature to the mattress system, or utilizing air suction to drain heat away from the mattress system, can provide precise microclimate control at the mattress, thereby permitting conformable sleep.