Modular Crop Sprayer With Electrostatic Charging And Interchangeable Assemblies

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Solution Overview

Problem

Existing crop spraying apparatuses lack flexibility, requiring costly and time-consuming adaptations for different crops and land features, and are difficult to reconfigure on-site due to the need for extensive component changes.

Innovation Solution

A crop spraying apparatus with a modular design featuring a conveyor system that allows for interchangeable dispensing assemblies, electrostatic charging of the treating compound, and adjustable dispensing columns, enabling adaptable operation across various crop types and terrains.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If dedicated components and production codes are used for specific crop types, then spraying performance for that crop is optimized, but device complexity and production cost increase

Engineering Contradiction:
Improvespraying performanceVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements a universal spraying apparatus with interchangeable dispensing assemblies that can be adapted to different crop types through modular components. The main body remains constant while dispensing assemblies can be swapped to match specific application requirements, eliminating the need for completely different devices for each crop type.

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

Solution Approach 2:

The spraying apparatus is divided into modular segments including a main body and interchangeable dispensing assemblies. This segmentation allows the dispensing components to be independently selected and replaced based on crop requirements, reducing overall device complexity while maintaining specialized spraying performance for each crop type.

Inventive Principle:
Principle #1Segmentation

2Reliability

If the machine is configured for a specific application, then spraying effectiveness is maximized, but ease of reconfiguration deteriorates

Engineering Contradiction:
Improvespraying effectivenessVSAvoidease of reconfiguration
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The apparatus uses segmented modular components where dispensing assemblies can be independently removed and replaced. This segmentation enables straightforward reconfiguration when switching between different crop types, as only the dispensing assembly needs to be changed rather than the entire machine.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The dispensing assemblies are designed with dynamic interchangeability, allowing operators to quickly swap between different assembly types based on current spraying needs. This dynamic reconfigurability maintains spraying effectiveness for each application while making the transition between different crop types simple and straightforward.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If dedicated components are used for different crops, then spraying precision is improved, but loss of time for reconfiguration increases

Engineering Contradiction:
Improvespraying precisionVSAvoidtime for reconfiguration
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

By segmenting the spraying apparatus into a main body and interchangeable dispensing assemblies, the system enables quick replacement of precision components when switching between crop types. Only the dispensing assembly requires replacement rather than the entire machine, significantly reducing reconfiguration time while maintaining spraying precision.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The dispensing assemblies are pre-configured and pre-assembled with the correct components for specific crop types. This preliminary preparation allows operators to simply swap pre-configured assemblies rather than reconfiguring components during the transition, eliminating time-consuming on-site assembly while maintaining precision for each crop type.

Inventive Principle:
Principle #10Preliminary action

4Adaptability or versatility

If extensive component changes are required for different applications, then adaptability is improved, but device complexity increases

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The main body of the spraying apparatus is designed as a universal platform that can accommodate multiple types of dispensing assemblies. This universality provides high adaptability across different crop types while keeping the overall device complexity manageable, as only the dispensing assemblies vary rather than the entire machine structure.

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

Solution Approach 2:

The device is segmented into a standardized main body and interchangeable dispensing assemblies. This segmentation enables high adaptability through component swapping while preventing device complexity from increasing, as the main body remains constant and dispensing assemblies are self-contained modules that can be independently selected and replaced.

Inventive Principle:
Principle #1Segmentation

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 apparatus provides flexible and efficient crop spraying capabilities by allowing for easy configuration adjustments and reduced production costs, enabling effective application of treating compounds across diverse crop and terrain conditions.

Implementation Method 1

a charging assembly, configured to electrostatically charge the treating compound in nebulized form before dispensing it

Methodology Applied
Scientific EffectElectrostatic charging: Electrostatics

Data Source

PatentEP4473832A1Apparatus and method for spraying
Publication Date: 2024.12.11 MARTIGNANI ING C DI MARTIGNANI STEFANO & C
  • EP4473832A1 patent drawingFigure 1
  • EP4473832A1 patent drawingFigure 2
  • EP4473832A1 patent drawingFigure 3

AI summary

An apparatus (1) for spraying crops with a treating compound, comprises: a tank (2), configured to contain the treating compound; a dispensing assembly (3), configured to receive treating air, including the treating compound in nebulized form; a pressure head assembly (4), configured to take air in from an outside atmosphere, mix it with the treating compound and pump it to the dispensing assembly (3); a frame (5) configured to support the tank (2), the dispensing assembly (3) and the pressure head assembly (4); a charging assembly, configured to electrostatically charge the treating compound in nebulized form before dispensing it. Wherein the apparatus (1) comprises a conveyor which includes: an inlet port (41), connected to the pressure head assembly (4) to receive treating air; a first outlet port and a second outlet port (42, 43), connected to the dispensing assembly (3) to convey therein the treating air received from the pressure head assembly (4) and including a respective flow section which is perpendicular to the advancing direction (DA) of the apparatus (1).