Pool Cleaning Robot Link Using Surface Relay for Stable Control

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Solution Overview

Problem

Conventional pool-cleaning robots experience severe wireless communication signal attenuation when operating underwater, leading to unstable connections with onshore control equipment, resulting in poor user experience and inability to control the robot effectively.

Innovation Solution

A pool cleaning system comprising a pool cleaning robot connected to a surface cleaning device via a connecting cable, allowing stable communication through the surface cleaning device and enabling the robot to serve as a power source for the device, facilitating simultaneous cleaning of pool surfaces and floors/walls.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If wireless communication is used between pool-cleaning robot and onshore control equipment, then users can control the robot remotely, but the wireless communication signal is severely attenuated when transmitted through water, resulting in unstable connection

Engineering Contradiction:

Improveremote control capabilityVSAvoidconnection stability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent introduces a surface-floating communication device as an intermediary between the underwater robot and onshore control equipment. This mediator receives commands from the onshore equipment and transmits them to the robot via wired connection, while also relaying status information back to the onshore equipment, thus solving the wireless signal attenuation problem through water.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the wireless communication system (electromagnetic waves) with a wired communication system (physical cable connection) for the critical control link between the robot and the surface communication device, eliminating signal attenuation issues caused by water transmission.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If pool-cleaning robot operates alone, then it can clean pool floors and walls, but it cannot clean the water surface, reducing overall cleaning efficiency

Engineering Contradiction:

Improvecleaning efficiencyVSAvoidcleaning area coverage

Core Design Contradiction:

ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent merges the pool-cleaning robot with a surface-floating cleaning device through a communication cable connection. This combination allows the integrated system to simultaneously clean both the underwater surfaces (floors and walls) and the water surface, thereby expanding the cleaning area coverage and improving overall productivity.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent creates a multi-functional cleaning system where the same robotic platform can perform multiple cleaning tasks: underwater cleaning (floors and walls) and surface cleaning (water surface), making the system versatile and adaptable to different cleaning scenarios.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS12534930B2Swimming pool cleaning system and control method thereof

Publication Date: 2026.01.27 BEST EPOCH TECH CO LTD

AI summary

A swimming pool cleaning system includes: a pool cleaning robot (10) that is to at least clean a floor and pool walls of a swimming pool; and a surface cleaning device (20) that is to at least clean a pool surface of the swimming pool. The surface cleaning device (20) is wirelessly connectable to an external control device and has a connecting cable (21) that electrically connects the surface cleaning device (20) to the pool cleaning robot (10), so that the pool cleaning robot (10) communicates with the external control device via the surface cleaning device (20).