Dynamic Window Fluid Control for Privacy and Heat Regulation
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Solution Overview
Problem
Existing windows and doors lack dynamic functionality and advanced features, such as adjustable characteristics like color, transparency, and light control, and traditional HVAC systems are inefficient and costly for regulating temperature.
Innovation Solution
A multifunction dynamic window system with intelligent heat control using fluid management in optical panes, incorporating sensors to monitor environmental elements and adjust fluid selection for optimal energy efficiency and comfort, and a smart dye-sensitized solar cell for on-demand power generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional static glass is used in windows and doors, then manufacturing is simple and cost-effective, but the glass cannot dynamically adjust its characteristics such as color, transparency, and light control
Solution Approach 1:
The patent applies the dynamics principle by incorporating switchable optical layers (electrochromic or liquid crystal layers) between glass panes that can dynamically change their optical properties in response to electrical signals. This allows the glass to transition between different states (transparent/opaque, different tint levels) without changing the physical glass structure itself, thereby achieving adaptability while maintaining structural simplicity.
Solution Approach 2:
The patent implements multi-functionality by integrating multiple capabilities into a single glass assembly: light control, privacy control, and potentially energy management. The combination of glass panes with switchable optical layers creates a universal window system that can perform multiple functions simultaneously, reducing the need for separate devices like blinds or curtains.
2Adaptability or versatility
If tinting film is applied to control light transmission, then light control is achieved, but the amount of light control is static and cannot be adjusted
Solution Approach 1:
The patent replaces static tinting film with dynamic switchable optical layers (electrochromic or liquid crystal) that can change their optical properties in response to electrical signals. This allows the light control capability to be adjusted dynamically from fully transparent to fully opaque or to intermediate states, providing adaptability while using well-established electrical control mechanisms.
3Adaptability or versatility
If complete glass replacement is done to change characteristics, then the desired optical characteristics are achieved, but it is costly and impractical for frequent adjustments
Solution Approach 1:
The patent enables characteristic adjustment without complete glass replacement by incorporating switchable optical layers between glass panes. These layers can be electrically controlled to change optical properties, allowing frequent adjustments without manufacturing new glass assemblies. This significantly reduces costs compared to complete glass replacement while maintaining full adjustability of optical characteristics.
4Loss of energy
If traditional HVAC systems are used for temperature regulation, then heating and cooling are provided, but energy consumption is high and operational costs are costly
Solution Approach 1:
The patent applies preliminary anti-action by using the dynamic glass to proactively control heat transfer at the building envelope level. By adjusting the optical properties of the glass (absorption, reflection, transmission characteristics), the system prevents excessive heat gain in summer and heat loss in winter before it reaches the interior, thereby reducing the load on HVAC systems and improving energy efficiency.
Solution Approach 2:
The patent merges the building envelope (window/door) with active thermal control functionality. By integrating switchable optical layers that can control solar heat gain and thermal radiation, the glass assembly becomes an active participant in thermal management, working in conjunction with HVAC systems rather than as a passive barrier, thereby improving overall energy efficiency.
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 adaptable light control, privacy, and power generation while optimizing energy efficiency and comfort by dynamically regulating heat exchange, reducing energy consumption and enhancing building sustainability.
Implementation Method 1
an abraded surface which scatters light impacting thereon and generates an opaque state... the controller is configured to dispense one or more fluids into the air-gap to change the window from the opaque state to a transparent or translucent state
Data Source
AI summary
A dynamic window system is generally configured to provide controlled privacy, light intensity, heat transfer, or automation of such optical and aesthetic features. Optical panes may include a treated surface configured to scatter light for privacy generating a default opaque state. One or more fluids may be controllably dispensed into a cavity. The type of fluid cooperates with the treated surface to change the transmissivity of light through the window. Initial features of the fluid state of the window may be translucent, transparent, opaque, darker, reflective or a combination of them. Introducing one or more different fluids may change the initial features to a different set of features including translucent, transparent, opaque, darker, reflective state or a combination of them. Often the dynamic window comprises a single fluid and air cavity. In an advanced dynamic window, there could be at least two non-miscible fluids characterized by various physical and optical properties.