Drone Payload Release Button with Sloping Aperture Edges
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Solution Overview
Problem
Current payload release mechanisms for drones lack efficiency and safety in releasing packages without damaging them, necessitating improved solutions for safe and reliable delivery.
Innovation Solution
A payload release assembly featuring a button with upwardly sloping edges and a tag system that allows for secure attachment and automatic ejection of the payload upon reaching the destination, utilizing elastic members and alignment rings for orientation and secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple release mechanism is used, then device complexity is reduced, but reliability of safe payload release deteriorates
Solution Approach 1:
The release mechanism is segmented into distinct functional components: a button member for actuation, an aperture with sloping edges for guiding, and a tag system for payload attachment. This segmentation allows each component to perform its specific function reliably while keeping the overall design simple and manageable.
Solution Approach 2:
The mechanism employs self-service features where the sloping edges of the aperture automatically guide the tag into the correct position, and the button member automatically returns to its initial position after actuation. This self-guiding and self-resetting capability enhances reliability without adding complex control systems.
2Reliability
If a secure attachment mechanism is used, then reliability of payload attachment is improved, but ease of operation for quick release deteriorates
Solution Approach 1:
The attachment mechanism transitions from a static secured state to a dynamic release state through simple button actuation. The sloping edges provide a dynamic guiding path that automatically engages the tag during insertion and facilitates easy ejection during release, enabling both secure attachment and quick release operations.
Solution Approach 2:
The tag serves as an intermediary element between the button member and the payload. It transmits the actuation force from the button to the payload while maintaining secure attachment during transport, and enables clean separation during release without requiring direct manipulation of the payload itself.
3Productivity
If automatic ejection mechanism is used, then productivity for multiple deliveries is improved, but device complexity increases
Solution Approach 1:
Instead of using a complex active ejection system that pushes the tag out, the design inverts the approach by using passive gravity-assisted ejection. The sloping edges are configured so that when the button member returns to its initial position, the tag naturally slides out along the sloping surface under gravity, achieving automatic ejection without additional actuators or complex mechanisms.
Solution Approach 2:
The design replaces complex mechanical ejection systems with a simpler gravity-based passive ejection mechanism. The sloping edges create a gravity-assisted path that automatically ejects the tag after payload release, eliminating the need for motors, springs, or other active mechanical ejection components.
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
Enables safe and efficient release of payloads by ensuring the button automatically raises and ejects the tag, allowing the payload to be dropped without damage, and facilitating quick rearming and multiple deliveries.
Implementation Method 1
the button automatically raises and ejects the tag
Data Source
AI summary
A payload release device, a payload release assembly including a payload release device, and methods for arming a payload release device. A payload release device includes a member and a button. The member has a top portion, a bottom portion, and a middle portion. The middle portion has an aperture defining a bottom edge, a first upwardly sloping edge, and a second upwardly sloping edge, wherein each upwardly sloping edge is upwardly sloping with respect to the bottom edge. The button has a top surface and is at least partially disposed in the aperture, wherein the button is depressed toward the first upwardly sloping edge when force is applied thereto, wherein the button raises toward the second upwardly sloping edge when at least a portion of the force applied to the button is released, and wherein the second upwardly sloping edge is parallel with the top surface of the button.


