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 microclimate control subsystem to measure humidity and adjust temperature setpoints based on humidity readings, using a fan assembly to regulate airflow and air exchange to maintain optimal comfort levels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a bed system uses basic heating and cooling systems, then temperature control is provided, but humidity control is insufficient leading to discomfort from heat and humidity accumulation

Engineering Contradiction:
Improvemicroclimate control capabilityVSAvoidhumidity accumulation
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The system employs humidity sensors to continuously monitor microclimate humidity levels and feeds this information back to the controller, which automatically adjusts fan operation and temperature settings to maintain optimal humidity levels, preventing harmful humidity accumulation

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The bed system integrates multiple functions including humidity sensing, temperature control, and airflow management into a single unified system, enabling comprehensive microclimate control that addresses both temperature and humidity regulation simultaneously

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Temperature

If the bed system increases airflow to remove accumulated heat, then cooling effect is improved, but energy consumption increases

Engineering Contradiction:
Improvemicroclimate temperatureVSAvoidfan energy consumption
Core Design Contradiction:
TemperatureVSUse of energy by moving object

Solution Approach 1:

The fan assembly operates with variable speed control, dynamically adjusting airflow rates based on real-time temperature and humidity sensor readings, enabling the system to provide maximum cooling when needed while minimizing energy consumption during milder conditions

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes operational parameters (fan speed, airflow rate) in response to measured environmental conditions, optimizing the balance between cooling effectiveness and energy consumption by adjusting parameters rather than maintaining constant high-power operation

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If the bed system uses simple temperature control, then device complexity is low, but sleep comfort is insufficient due to lack of adaptive microclimate control

Engineering Contradiction:
Improvesleep comfortVSAvoidcontrol system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system automatically monitors microclimate conditions through integrated sensors and self-adjusts temperature and airflow settings without user intervention, providing adaptive comfort while maintaining simple operation for the end user despite the sophisticated control mechanisms underneath

Inventive Principle:
Principle #25Self-service

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 regulates humidity and temperature to enhance sleep comfort by adjusting airflow and temperature setpoints, providing personalized and adaptive microclimate control.

Implementation Method 1

the heat that has accumulated within one or more layers can be removed by controlling a fan to draw the air from the layers or push the air out of the layers

Methodology Applied
Scientific EffectForced Convection: Forced Convection

Implementation Method 2

The bed system can measure the microclimate humidity and operate the bed microclimate control system

Methodology Applied
Scientific EffectHumidity detection: Hygrometer

Data Source

PatentUS20260041251A1Bed microclimate control using humidity measurements
Publication Date: 2026.02.12 SLEEP NUMBER CORP
  • US20260041251A1 patent drawing
  • US20260041251A1 patent drawing
  • US20260041251A1 patent drawing

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.