Variable-Size Topdressing Device for Precision Seedling Fertilization
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Solution Overview
Problem
Existing fertilizer application devices, such as centrifugal and pneumatic spreaders, are inefficient and wasteful, unable to provide precise topdressing for crop seedlings, leading to potential burning and high labor costs, with no suitable mechanical solution for cropland seedlings.
Innovation Solution
A variable-size and variable-amount topdressing device equipped with an image recognition unit, electric push rods, and adjustable fertilizer distribution components that allow for real-time analysis of crop conditions and precise control of fertilizer application amounts and range, ensuring accurate and even distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If centrifugal or pneumatic fertilizer spreaders are used for large-scale fertilizer application, then fertilizer application efficiency and coverage area are improved, but fertilizer distribution precision and suitability for seedling topdressing deteriorate
Solution Approach 1:
The patent employs a movable fertilizer distribution unit that can dynamically adjust its position and orientation. The distribution unit includes adjustable arms and nozzles that can be positioned precisely relative to the seedlings, allowing the system to adapt to different planting densities and seedling sizes while maintaining precise fertilizer application.
Solution Approach 2:
The patent implements localized fertilizer application by directing fertilizer flow through specifically positioned nozzles that target individual seedling locations. The distribution unit can be configured to apply fertilizer only to specific areas around seedlings rather than broad-area scattering, ensuring precise control over fertilizer placement at the local level.
2Ease of operation
If fixed-amount fertilizer distributors are used, then operation simplicity is improved, but adaptability to different crop types and sizes deteriorates
Solution Approach 1:
The patent incorporates adjustable components that allow the fertilizer distribution unit to be reconfigured for different crop types and sizes. The movable arms and adjustable nozzles can be positioned to match various plant configurations, enabling the same device to adapt to different agricultural needs without requiring complete replacement of the distribution system.
Solution Approach 2:
The patent designs a universal fertilizer distribution unit that can serve multiple crop types and planting scenarios. The adjustable mechanisms allow a single device to handle various seedling sizes and densities, making the system versatile enough for different agricultural applications without requiring multiple specialized devices.
3Productivity
If mechanical topdressing is implemented to replace artificial topdressing, then topdressing efficiency is improved, but device complexity and control precision requirements deteriorate
Solution Approach 1:
The patent divides the fertilizer application system into separate functional modules: a fertilizer storage and transport unit, a movable distribution unit, and a control system. This segmentation allows each component to be optimized independently and simplifies the overall system by assigning specific functions to dedicated modules rather than requiring a monolithic complex device.
Solution Approach 2:
The patent replaces complex mechanical control mechanisms with more straightforward control systems that manage the movable distribution unit through simplified actuation. The control system manages the positioning and operation of the distribution unit in a way that reduces mechanical complexity while maintaining precise fertilizer application capability.
4Productivity
If fertilizer is applied without precise control of application distance and amount, then application speed is improved, but fertilizer waste and seedling burning increase
Solution Approach 1:
The patent incorporates control mechanisms that monitor and regulate fertilizer application based on the position and conditions of the seedlings. The system can adjust fertilizer flow rates and application positioning in real-time to match actual crop needs, preventing both fertilizer waste from over-application and seedling burning from concentrated application, while maintaining efficient application speed.
Solution Approach 2:
The patent employs adjustable parameters including variable fertilizer flow rates, adjustable nozzles, and movable distribution positions that can be dynamically changed during operation. These parameter adjustments allow the system to optimize fertilizer application in real-time based on seedling conditions, ensuring precise control over both the amount and location of fertilizer applied while maintaining high application speed.
Data Source
AI summary
Disclosed is a variable-size and variable-amount topdressing device. The device includes a main frame; an image recognition unit; a variable-amount fertilizer applying portion; two electric push rods which are vertically and fixedly connected to inner opposite surfaces of the main frame respectively; and a variable-size fertilizer applying portion arranged at an output end of the variable-amount fertilizer applying portion, where a height of the variable-size fertilizer applying portion is adjusted by the two electric push rods, an output end of the variable-size fertilizer applying portion is arranged corresponding to the output end of the variable-amount fertilizer applying portion, and the variable-size fertilizer applying portion is used for adjusting a fertilizer applying range. The variable-amount fertilizer applying portion, the variable-size fertilizer applying portion and the two electric push rods are electrically connected to the image recognition unit.