Dual-Mode Fruit Harvesting Platform With Ripeness Detection and Leaf Screening
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Solution Overview
Problem
Current dry fruit harvesting technologies face challenges such as low recovery efficiency, high labor intensity, high fruit damage rate, and difficulty in adapting to different fruit varieties, leading to unstable recovery quality and complex structures with high manufacturing and maintenance costs.
Innovation Solution
A dual-mode switching platform integrating dry fruit detection and leaf screening fruit collection, utilizing a 'phenotype monitoring-comb harvesting' architecture with left and right detection picking mechanisms, flexible comb brush technology, and umbrella-type electric telescopic rods for adaptive fruit collection, ensuring high efficiency and accuracy while minimizing damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional manual or simple mechanical equipment is used for dry fruit harvesting, then the structure is simple, but the recovery efficiency is low and labor intensity is high
Solution Approach 1:
The harvesting device is divided into multiple independent modules including detection mechanism, picking mechanism, and collection mechanism. Each module can independently perform its function, allowing the system to achieve high automation through modular assembly rather than a monolithic complex structure
Solution Approach 2:
The detection and picking mechanisms are designed to serve multiple functions: the detection mechanism identifies fruit position and ripeness, while the picking mechanism simultaneously performs both detection and harvesting. This multi-functionality reduces the need for separate dedicated components, optimizing the complexity-efficiency tradeoff
2Object-affected harmful factors
If vibrating recovery device is used, then the structure is simple, but it causes structural damage to the tree trunk and affects fruit tree life
Solution Approach 1:
The patent replaces the mechanical vibration system with an airflow-based recovery system. Airflow generated by fans creates upward currents that carry detached fruit away from the tree without mechanical contact, eliminating tree trunk damage while maintaining recovery efficiency through aerodynamic principles
3Object-affected harmful factors
If airflow adsorption recovery system is used, then the tree damage is reduced, but the structure becomes complex and manufacturing cost increases
Solution Approach 1:
The airflow recovery system is merged with the existing picking mechanism structure. The same chassis that supports the detection and picking mechanisms also supports the airflow generation components, combining multiple functions into a unified structure rather than adding separate complex subsystems
4Productivity
If traditional harvesting methods are used, then the device is simple, but the fruit damage rate is high
Solution Approach 1:
The detection mechanism performs preliminary identification of fruit position, ripeness, and susceptibility to damage before the picking action occurs. This preliminary information allows the system to select optimal picking parameters and approaches that minimize damage while maintaining efficiency
Solution Approach 2:
The picking mechanism employs dynamic adjustment capabilities where picking parameters such as force, speed, and approach angle are adjusted in real-time based on detected fruit characteristics. This dynamic adaptation allows the system to handle diverse fruit types and conditions without increasing structural complexity
5Adaptability or versatility
If existing recovery technology is used, then the structure is relatively simple, but it lacks adaptive capability on fruit variety differences resulting in unstable recovery quality
Solution Approach 1:
The detection mechanism continuously monitors fruit characteristics such as position, ripeness, and physical properties, providing real-time feedback to the control system. This feedback enables automatic adjustment of picking and recovery parameters to adapt to different fruit varieties and conditions without requiring complex mechanical reconfiguration
Data Source
AI summary
The present invention discloses an integrated platform of dual-mode switching dry fruit detection and screening and a working method thereof. The platform comprises a frame body, a left detection picking mechanism, a right detection picking mechanism, a left screening leaf collecting fruit mechanism, a right screening leaf collecting fruit mechanism, a conveying mechanism, and a fruit collecting box. According to the present invention, a “phenotype monitoring-comb harvesting” dual-mode collaborative architecture is adopted, and automatic detection of fruit ripeness is achieved via left and right detection picking mechanisms; non-destructive and precise separation of fruit is achieved via a flexible comb brush technique and a dynamic mode switching mechanism; the height and inclination angle of fruit collecting are adaptively adjusted via an umbrella-type electric telescopic rod, thereby effectively avoiding the hybrid of fruit and leaves.