UAV Fecal Sampling Device with Spiral Blades
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Solution Overview
Problem
Current poultry breeding methods are inconvenient for sampling feces in densely populated areas, as workers need to enter breeding areas, causing obstruction and difficulty in collecting samples.
Innovation Solution
A long-distance sampling device using an unmanned aerial vehicle (UAV) equipped with a sampling unit, including a cylindrical sampling tube with spiral blades and automatic telescopic feet, which can collect and store fecal samples without human intervention, allowing the UAV to operate above the breeding area and avoid animal obstruction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If workers manually sample feces in breeding areas, then sampling can be conducted directly at the source, but workers are obstructed by high animal density and must drive away animals, causing inconvenience and safety issues
Solution Approach 1:
An unmanned aerial vehicle (UAV) is introduced as an intermediary device to perform sampling operations in breeding areas. The UAV flies above the animals, avoiding direct contact and obstruction, while still accessing fecal samples through its sampling mechanism. This mediator resolves the conflict between needing direct sample access and avoiding animal interference.
Solution Approach 2:
The sampling operation transitions from a ground-level horizontal movement through dense animal populations to an aerial three-dimensional approach. The UAV operates in the vertical dimension above the breeding area, eliminating the need to navigate through animal obstructions on the ground plane.
2Reliability
If workers enter breeding areas to sample feces, then samples can be collected from within the breeding areas, but the sampling personnel need to drive away animals which causes inconvenience and increases safety risks
Solution Approach 1:
The UAV serves as an intermediary that maintains reliable sampling capability while eliminating the need for human operators to physically enter breeding areas. The sampling unit on the UAV collects fecal samples with the same reliability as manual sampling, but without exposing workers to animal obstructions and safety risks.
Solution Approach 2:
The manual mechanical sampling process performed by workers is replaced with an automated mechanical sampling system on the UAV. The sampling unit with its rotating shaft and blades automatically collects samples without human intervention, improving operator convenience while maintaining sampling reliability.
3Productivity
If manual sampling is used in densely populated breeding areas, then fecal samples can be collected, but the process is time-consuming and inefficient due to the need to navigate through animals
Solution Approach 1:
By operating in the aerial dimension, the UAV bypasses the time-consuming navigation through dense animal populations on the ground. The UAV can directly position itself over target areas and perform sampling rapidly, significantly improving sampling efficiency and reducing the time required for each sampling operation.
Solution Approach 2:
The automated sampling mechanism on the UAV replaces the slow manual sampling process. The motor-driven rotating shaft with blades automatically penetrates and collects fecal samples, eliminating the time workers would spend manually navigating through animals and collecting samples, thereby increasing productivity.
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 device enables convenient and efficient sampling of feces from a distance, reducing the need for workers to enter breeding areas and improving sampling efficiency by using the UAV to drive away animals and collect samples using spiral blades, while the UAV can return to a starting point for easy retrieval.
Implementation Method 1
the sampling portion includes a cylindrical sampling tube and a sampling shaft rotatably connected to the sampling tube; spiral blades are fixedly connected to the sampling shaft; and the sampling power portion drives the sampling shaft to rotate
Data Source
AI summary
A long-distance sampling device for feces in a poultry house is provided. The device includes an unmanned aerial vehicle body including a wireless controller, supporting feet arranged on the unmanned aerial vehicle body, and a sampling unit arranged on the unmanned aerial vehicle body for collecting fecal samples. The sampling unit further includes a sampling power portion arranged in the unmanned aerial vehicle body and a sampling portion arranged on the unmanned aerial vehicle body. The sampling portion further includes a cylindrical sampling tube and a sampling shaft rotatably connected to the sampling tube, spiral blades are fixedly connected to the sampling shaft, and the sampling power portion drives the sampling shaft to rotate. According to the device, it is convenient for workers to take samples in the poultry house, thereby the convenience of sampling is improved, and the workers do not need to get into the breeding areas.


