Pulley-Driven Adjustable Shadehouse for Simplified Panel Translation
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Solution Overview
Problem
Existing shadehouses require a large number of posts and panel operating systems and only allow for limited adjustment of the shadow, making them complex and inefficient.
Innovation Solution
A shade system with a frame supporting photovoltaic panels, featuring multiple sets of panels that can move between open and closed configurations to adjust the shadow, utilizing an actuation system with pulleys and cables to maximize shadow adjustment range and simplify the structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a traditional shadehouse structure with multiple posts and panels is used, then the shade can be formed, but the structure becomes complex and requires a large number of components
Solution Approach 1:
The shade structure is divided into multiple collapsible bays that can be independently adjusted. Each bay contains a simplified mechanism with panels that can be folded or extended, allowing the overall structure to be complex in function but simple in individual components. This segmentation enables reliable shade formation while reducing the complexity of each structural unit.
Solution Approach 2:
The shadehouse employs dynamic panels that can move between extended and retracted positions along the longitudinal axis. These movable panels are guided by simple track systems rather than complex mechanical linkages, enabling the structure to adapt its configuration while maintaining mechanical simplicity through straightforward motion constraints.
2Adaptability or versatility
If traditional fixed panels are used, then the structure is simple, but the shadow adjustment range is limited
Solution Approach 1:
The panels are designed to be movable along the longitudinal axis of the frame, transitioning between extended positions that maximize shadow coverage and retracted positions that minimize obstruction. This dynamic capability provides wide adjustment range while the panels remain structurally simple without complex operating mechanisms.
Solution Approach 2:
The movable panels can be nested or stacked along the longitudinal direction when retracted, similar to nested dolls. This nesting arrangement allows the panels to occupy minimal space when not in use while maintaining their full extension capability when deployed, achieving high adaptability without requiring complex deployment mechanisms.
3Ease of operation
If multiple independent panel systems are used, then each panel can be controlled, but the overall system complexity increases
Solution Approach 1:
Multiple panels are grouped into collapsible bays that operate as integrated units rather than independent systems. Each bay can be controlled collectively, reducing the number of individual operating systems needed while maintaining the ability to adjust specific sections. The panels within each bay are linked through simple mechanical connections that enable synchronized movement.
Solution Approach 2:
The movable panels serve multiple functions: they provide shade when extended, can be retracted to allow sunlight, and can be positioned at various intermediate levels for partial shading. This multi-functionality reduces the need for separate control systems for different operational modes, simplifying the overall control architecture while maintaining operational flexibility.
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 allows for a simpler and more adjustable shade solution that can produce electricity while providing a wider range of shadow adjustment, reducing complexity and enhancing modularity and crop protection.
Implementation Method 1
a first set of photovoltaic panels mounted on the frame substantially orthogonal to a same orientation axis
Data Source
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AI summary
Disclosed is a shade house (1) for casting an adjustable shadow (3) over a surface (5), the shade house comprising: - at least one frame (10) extending in a longitudinal direction (L), - a first set of photovoltaic panels (15) mounted on the frame (10) substantially orthogonally to a same orientation axis (D), - a second set of opaque, preferably photovoltaic, panels mounted on the frame and movable in translation longitudinally relative to the frame at least between an open configuration, in which the panels (20) are at least partially superposed over the panels (15) in a view along the orientation axis, and a closed configuration, in which the panels (20) at least partially extend beyond the panels (15) in a view along the orientation axis, and - an actuation system (35) configured to actuate the second set at least from the open configuration to the closed configuration, and vice versa, the actuation system comprising a plurality of pulleys (74, 76, 78, 80) mounted on the frame (10).