Pool Cleaner Rotating Unit With Stopper-Based Reversing Control
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Solution Overview
Problem
Conventional pool cleaning robots often fail to implement accurate and stable reversing movements, leading to inefficient cleaning due to spinning in the same place.
Innovation Solution
A pool cleaning device with a rotating unit and reversing member featuring stoppers and a buoyant plate that allows for synchronized rotation and directional control, enabling precise direction changes without human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional pool cleaning robots use simple reversing mechanisms, then the device complexity is low, but the reversing accuracy and stability deteriorate causing spinning in the same place
Solution Approach 1:
The reversing mechanism is segmented into multiple independent stoppers (first stopper, second stopper, third stopper, fourth stopper) positioned at different locations around the rotating member. Each stopper can independently engage with positioning protrusions to provide precise stopping positions, thereby achieving accurate reversing without requiring a single complex mechanism.
Solution Approach 2:
The stoppers are pre-positioned at specific locations around the rotating member before operation begins. The positioning protrusions are also pre-configured on the rotating member at predetermined angles. This preliminary arrangement ensures that when reversing is needed, the rotating member will naturally align with the correct stopper and positioning protrusion combination, achieving accurate direction reversal without complex real-time control.
2Stability of the object's composition
If the rotating member rotates freely without positioning constraints, then the ease of operation is high, but the stability of reversing movement deteriorates causing spinning
Solution Approach 1:
The system uses the interaction between the rotating member's positioning protrusions and the fixed stoppers to automatically achieve stable positioning during reversing. The buoyant plate also provides automatic orientation by aligning with the pool bottom surface. This self-positioning mechanism provides reversing stability without requiring external intervention or complex control systems, maintaining ease of operation.
3Measurement precision
If multiple stoppers are added to improve reversing precision, then the manufacturing precision improves, but the device complexity increases
Solution Approach 1:
Each stopper is designed with specific local characteristics - the first and second stoppers have different angular positions and the third and fourth stoppers are positioned to provide complementary stopping points. The positioning protrusions on the rotating member are also locally positioned at specific angles to match the stoppers. This local differentiation allows precise positioning at each stopper location while keeping the overall structure relatively simple.
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 achieves stable reversing and efficient cleaning by automatically adjusting direction, reducing spinning and enhancing cleaning efficiency.
Implementation Method 1
a buoyant plate extending across the rotating member and connected to the first stopper and the second stopper
Data Source
AI summary
A pool cleaning device is provided, including: a main body; a rotating unit rotatably disposed on the main body, the rotating unit including a rotating member, a fluid outlet extending radially outward from the rotating member, and a first positioning protrusion extending radially outward from the rotating member and spaced apart from the fluid outlet; and a reversing member including a plurality of stoppers spaced apart from each other and disposed along a path of rotation of the rotating member. Each of the plurality of stoppers is reciprocable between a position in a path of rotation of the first positioning protrusion and a position out of the path of rotation of the first positioning protrusion.