Plant Tunnel Connecting Element With Rotatable Ventilation

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Solution Overview

Problem

Existing plant tunnel systems lack effective and stable ventilation solutions, leading to inadequate air circulation and complexity in covering larger areas.

Innovation Solution

A plant tunnel element with adjustable connecting elements that allow secure and stable connection and height adjustment of tunnel elements, creating ventilation openings for improved air circulation by inclining the tunnel elements and using rotatable latching mechanisms for precise positioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If plant tunnel elements are simply plugged together, then the structure is simple and easy to assemble, but ventilation is insufficient and air circulation is inadequate

Engineering Contradiction:
Improveease of assemblyVSAvoidventilation effectiveness
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The connecting element incorporates a rotatable end area that can be adjusted between a horizontal transport position and an inclined ventilation position. This dynamic adjustment allows the same structure to serve both assembly simplicity and ventilation effectiveness, with the rotation enabling controlled opening of ventilation apertures when needed.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The connecting element serves multiple functions: it provides structural connection between tunnel elements, enables height adjustment, creates ventilation openings, and allows positional stabilization. This multi-functionality resolves the contradiction by integrating ventilation capability into the connection mechanism itself, eliminating the need for separate ventilation components.

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

2Reliability

If ventilation openings are created by lifting tunnel elements, then air circulation improves, but structural stability deteriorates

Engineering Contradiction:
Improveair circulationVSAvoidstructural stability
Core Design Contradiction:
ReliabilityVSStability of the object's composition

Solution Approach 1:

The rotatable end area provides controlled movement between stable positions (horizontal for transport, inclined for ventilation). The rotation mechanism allows the structure to transition between states while maintaining stability in each position, preventing the structural deterioration that would result from continuous lifting or unstable positioning.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The connecting element acts as an intermediary between the tunnel element body and the ground/support structure. It mediates the transition from stable horizontal positioning to stable inclined positioning, allowing ventilation without compromising overall structural integrity through its rotational bearing and positioning mechanisms.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Area of stationary object

If multiple plant tunnel elements are lined up to cover larger areas, then coverage area increases, but ventilation complexity increases

Engineering Contradiction:
Improvecoverage areaVSAvoidventilation complexity
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The tunnel system is divided into modular elements with standardized connecting elements at each end. Each connecting element independently provides ventilation capability, so that ventilation is distributed across multiple simple units rather than requiring a complex centralized system. This segmentation allows scalable coverage while maintaining simple ventilation at each module.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connecting element design is universal and can be applied to all tunnel elements in the lineup. Each connecting element independently provides both connection and ventilation functions, eliminating the need for additional ventilation components as the system scales. This universality ensures that ventilation complexity does not increase with coverage area.

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

4Reliability

If the connecting element allows height adjustment, then ventilation opening size improves, but manufacturing complexity increases

Engineering Contradiction:
Improveventilation opening sizeVSAvoidmanufacturing complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The rotatable end area provides height adjustment through rotation rather than through multiple discrete height settings or complex mechanisms. A single rotational degree of freedom enables continuous adjustment of the ventilation opening size while maintaining manufacturing simplicity, as it requires only a bearing and positioning features rather than multiple connecting components.

Inventive Principle:
Principle #15Dynamics

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

Ensures simple, cost-effective, and stable ventilation across multiple connected plant tunnel elements, enhancing air circulation by allowing adjustable ventilation openings and maintaining structural stability during use.

Implementation Method 1

the first connecting element is rotatably mounted about an axis that extends perpendicularly to a longitudinal axis L of the plant tunnel element

Methodology Applied
Scientific EffectRotation:

Implementation Method 2

the warm air rises upwards in the direction of the opening in the plant tunnel element and can at the same time flow through the openings between the bottom edges of the plant tunnel element and the ground

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 3

the first connecting element has a plurality of latching elements arranged one above the other and the second connecting device also has at least one further latching element, wherein when the first connecting element moves, the first latching elements and the at least one second latching element latch into one another

Methodology Applied
Scientific EffectMechanical latching: Mechanical Fastener

Data Source

PatentEP3117702B1Plant tunnel element for covering plants
Publication Date: 2017.09.13 OTTO GRAF KUNSTERZEUGNISSE
  • EP3117702B1 patent drawingFigure 1
  • EP3117702B1 patent drawingFigure 2
  • EP3117702B1 patent drawingFigure 3

AI summary

The invention relates to a plant tunnel element (1a), a plant tunnel system, and a method for covering plants, wherein the plant tunnel element (1a) can be connected to a further plant tunnel element at at least one end region (7a). A first connecting element (2a) is arranged at a first end region (7a) of the plant tunnel element (1a), via which the plant tunnel element (1a) can be connected to a second connecting element (10b) of the further plant tunnel element, and via which the height (h2) of the end region (7a) of the plant tunnel element (1a) can be adjusted relative to the height (h1) of the further plant tunnel element (1b) for ventilation purposes.