Greenhouse Ventilation Window Netting for External Crop-Safe Installation
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Solution Overview
Problem
Existing greenhouses with insect netting installations require difficult and potentially damaging replacements, especially when crops occupy significant space, such as in orchid cultivation.
Innovation Solution
The insect netting is mounted to the roof and ventilation window from the outer side of the greenhouse using accessible fixing members, allowing installation without interference from the netting, facilitated by flexible profiles and screws or alternative fixing means.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the insect netting is mounted to the roof and ventilation window from the inner side of the greenhouse, then the netting can be installed effectively, but the installation becomes difficult and may damage crops when crops occupy significant space
Solution Approach 1:
The patent inverts the traditional installation approach by mounting the insect netting from the outer side of the greenhouse instead of the inner side. The fixing members are positioned on the outer surface of the ventilation window and roof, allowing installers to attach the netting externally without navigating through crop rows. This inversion completely eliminates the risk of crop damage during installation while maintaining effective insect barrier functionality.
2Reliability
If the insect netting is mounted from the inner side of the greenhouse, then the netting can be secured properly, but periodic replacement becomes particularly difficult when crops occupy great part of the available space
Solution Approach 1:
The patent positions all fixing members and mounting hardware on the outer side of the greenhouse structure. The insect netting is attached to the outer surfaces of the ventilation window and roof, with all fastening operations accessible from outside. This enables rapid replacement of the netting by simply removing external fixings without any need to enter the greenhouse or navigate around crops, dramatically improving maintenance ease.
3Reliability
If the fixing members are located on the inner side of the ventilation window, then the insect netting can be secured to the window, but the netting forms a barrier that hinders access for installation and replacement
Solution Approach 1:
The patent relocates all fixing members to the outer side of the ventilation window and roof structure. The fixing members include outer fixing surfaces that are fully accessible from outside the greenhouse. This positioning eliminates the barrier effect entirely, as installers can reach all mounting points directly from the exterior without needing to pass through or work around the insect netting itself.
Solution Approach 2:
The patent introduces an intermediary mounting structure consisting of external fixing members that act as a mediator between the insect netting and the greenhouse structure. These fixing members are positioned on the outer surface, serving as an intermediate attachment point that allows the netting to be secured without creating internal barriers. The intermediary structure enables external access while maintaining secure attachment.
Data Source
Figure 1
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AI summary
A greenhouse (1) including an inclined roof (2) comprises an opening (6), a ventilation window (8) which is mounted to the roof (2) and pivotable with respect to the roof (2) about a pivot axis (PA) between a closed condition in which it covers the opening (6) and an open condition in which the opening (6) forms a ventilation passage between an inner side and an outer side of the greenhouse (1) and an insect netting (13) which is releasably mounted to the roof (2) and the ventilation window (8) through fixing members (17) so as to prevent insects from passing the ventilation passage in the open condition of the ventilation window (8). The fixing members (17) are accessible from the outer side of the greenhouse (1) so as to mount the insect netting (13) to the roof (2) and the ventilation window (8) from the outer side of the greenhouse (1) without being hindered by the insect netting (13).