Adjustable Roller Shutter Slats for Ventilation and Security
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Solution Overview
Problem
Existing roller shutters with adjustable slats fail to provide effective protection and adequate ventilation while allowing light modulation, as they compromise on burglary safety and allow entry by crawling animals due to the design of adjustable wings.
Innovation Solution
A roller shutter with adjustable slats featuring a support and pivotally mounted wings, where the pivots are arranged to automatically switch between open and closed positions based on weight and thrust force, ensuring effective protection and ventilation control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If adjustable wings are made to open automatically from lower blades for ventilation, then ventilation and light modulation are improved, but burglary protection is compromised and animal entry risk increases
Solution Approach 1:
The wing is designed to be dynamically adjustable between closed and open positions. The pivot arrangement allows the wing to automatically open when not constrained by the upper slat, enabling ventilation while maintaining the ability to close for security when needed.
Solution Approach 2:
The position parameter of the wing is changed based on the force applied by the upper slat. When the upper slat applies thrust, the wing moves to closed position; when force is removed, gravity causes the wing to open, achieving automatic adjustment between security and ventilation modes.
2Adaptability or versatility
If adjustable wings are pivotally mounted to enable automatic opening, then ventilation is improved, but device complexity increases due to additional pivot arrangements
Solution Approach 1:
The system uses the weight of the curtain itself to automatically open the wings when not constrained. The gravitational force on the lower part of the support automatically positions the pivots to open the wing, eliminating the need for additional motors or actuators.
Solution Approach 2:
The pivot arrangement is designed so that in the absence of constraining force, the system naturally settles into a position where the pivots are substantially superimposed, allowing the wing to open automatically due to gravity without requiring additional energy input.
3Reliability
If fixed slats are used for complete occultation, then protection is improved, but ventilation capability is lost
Solution Approach 1:
The slat is segmented into a fixed support portion and a movable adjustable wing portion. The fixed support maintains structural integrity and connection to the upper slat, while the movable wing can independently adjust between closed and open positions to provide both protection and ventilation.
Solution Approach 2:
The adjustable slat assembly serves multiple functions: when the wing is closed, it provides complete occultation and burglary protection similar to fixed slats; when the wing is open, it provides ventilation and light modulation. This single assembly replaces the need for separate fixed slats and ventilation mechanisms.
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 solution provides a simple design that ensures effective protection and adjustable ventilation while preventing burglary and animal entry, maintaining safety and functionality.
Implementation Method 1
in the absence of a force exerted by the upper slat on the wing, the effect of the weight of the curtain exerted on the lower part of the support, causes the first pivot and the second pivot to occupy a substantially superimposed position so that the wing occupies its openwork position
Implementation Method 2
the application of a thrust force by the upper blade on the wing causes a lateral offset between the first pivot and the second pivot so that this wing occupies its closed position
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
The invention relates to a roller shutter comprising a series of superimposed slats articulated to form a blackout curtain, including at least one adjustable slat comprising a support and an adjustable wing (10) pivotally mounted on the support via a first pivot (11) and on the successive upper slat via a second pivot (13). According to the invention, the pivots (11, 13) are arranged such that, on the one hand, in the absence of any force exerted on the wing (10), the effect of the weight of the curtain exerted on the lower part of the support causes the pivots (11, 13) to occupy a superimposed position so that the wing (10) occupies an open position, and that, on the other hand, the application of a pushing force by the upper slat on the wing (10) causes a lateral offset between the pivots so that this wing occupies a closed position.