Tiltable Slat Roller Shutter Control for Reliable Light-Darkening
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Solution Overview
Problem
Existing motor-driven roller shutters with tiltable slats face challenges in reliably achieving maximum light-darkening due to difficulties in precisely moving tiltable slats to a closed position and inconsistent operation due to material changes and environmental conditions, making them complex to use and difficult to manage centrally.
Innovation Solution
A method and control unit that uses electromechanical actuation means, including a command and control unit with detection means, to precisely control the movement of the roller shutter and tiltable slats, ensuring reliable light-darkening by coordinating the rotation of the support roller and tiltable slats through flexible transmission means and mechanical limit switches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the roller shutter is moved to the extended end-stroke position and slats are tilted to closing position, then maximum light-darkening is achieved, but the operation becomes complex and unreliable due to material changes and environmental conditions
Solution Approach 1:
The system performs preliminary actions by moving the roller shutter to an intermediate position before the extended end-stroke position, and tilting slats to closing position before full extension. This sequence ensures reliable light-darkening while avoiding the complexity and unreliability of coordinating both actions at the extended position.
Solution Approach 2:
The operation is segmented into distinct phases: first moving the roller shutter to an intermediate position, then tilting slats to closing position, and finally extending to the end-stroke position. This segmentation simplifies control and improves reliability by breaking down the complex coordinated movement into manageable steps.
2Illumination intensity
If manual adjustments are made to achieve precise slat positioning, then light-darkening control is improved, but the system becomes complex to operate and manage centrally
Solution Approach 1:
The system performs self-service by automatically executing the segmented operation sequence without requiring manual intervention. The control system autonomously coordinates the roller shutter movement and slat tilting, achieving precise light-darkening control while maintaining operational simplicity through automation.
Solution Approach 2:
The system incorporates feedback mechanisms to monitor the position of the roller shutter and slats, automatically adjusting the operation sequence to achieve the desired closing position. This feedback-enabled automation provides precise control while eliminating the need for complex manual adjustments.
3Ease of operation
If the support roller is actuated to move the roller shutter to the extended position, then the slats can be tilted to closing position, but the operation becomes inconsistent due to material changes and environmental conditions
Solution Approach 1:
The system performs preliminary tilting of slats to the closing position before extending the roller shutter to the end-stroke position. This preliminary action ensures that slats are already in the correct orientation, making the operation consistent and reliable regardless of material changes or environmental conditions during the extension phase.
Solution Approach 2:
The operation is segmented into distinct phases: first tilting slats to closing position, then extending the roller shutter. This segmentation isolates the tilting action from the extension action, ensuring that material changes and environmental conditions do not affect the precision of slat positioning, thereby improving operational consistency.
Data Source
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AI summary
The present invention relates to a method for operating a roller shutter assembly (10) with tiltable slats for a door and/or window, including a roller shutter (12) adapted to be wound around a support roller (14) which can be rotated by means of electromechanical actuation means (16), and a command and control unit (40) configured to command and control the electromechanical actuation means (16). Specifically, the method is implemented by the command and control unit (40) and it comprises the steps for moving the roller shutter (12) towards the extended end position wherein the tiltable slats (22t) are moved to an opening position by means of transmission means (28), detecting the reaching of the extended end position, moving the roller shutter (12) by a predetermined distance (D1) from the extended end position towards said retracted end position further moving the tiltable slats (22t) to the closing position by means of said transmission means (28) so as to obtain the maximum degree of light-darkening through the door and/or window by means of said roller shutter (12), and stop the movement of the roller shutter (12) upon reaching the predetermined distance (D1). Furthermore, the present invention relates to a computer program and a command and control unit (40) for the roller shutter assembly (10) which are adapted to implement said method.