Pool robot

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Solution Overview

Problem

Conventional pool robots face difficulties in efficiently draining water after use, leading to increased effort in extraction and prolonged drying times, which negatively impact user experience.

Innovation Solution

The pool robot design incorporates a housing with strategically positioned water outlet holes and a water baffle plate that closes and opens based on the robot's position relative to water, facilitating rapid drainage by allowing water to flow through specific outlets as the robot is lifted out of the water.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the pool robot is extracted from water, then the user can remove the device, but the robot contains a large amount of water requiring significant effort to extract

Engineering Contradiction:
Improveextraction effortVSAvoidrobot weight
Core Design Contradiction:
Ease of operationVSWeight of moving object

Solution Approach 1:

The patent applies preliminary action by automatically opening the water outlet holes before the user extracts the robot from water. The water drainage system is activated in advance through the opening mechanism, allowing water to drain out before the robot is fully removed, thereby reducing the weight and effort required for extraction.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If the pool robot is extracted from water, then the user can remove the device, but the drainage speed is slow

Engineering Contradiction:
Improvedrainage speedVSAvoiddrying time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent applies segmentation by dividing the drainage system into multiple water outlet holes distributed across different surfaces of the housing (front, rear, left, and right sides). This segmented approach allows water to drain simultaneously through multiple channels, significantly increasing the overall drainage speed and reducing drying time.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent utilizes another dimension by positioning water outlet holes not only on the bottom surface but also on the front, rear, left, and right side surfaces of the housing. This multi-dimensional arrangement enables water to drain from multiple directions and surfaces simultaneously, enhancing drainage efficiency and reducing the time required to empty the robot after extraction.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Productivity

If water outlet holes are provided on the housing, then drainage speed is improved, but water may enter the housing during operation

Engineering Contradiction:
Improvedrainage speedVSAvoidwaterproofing
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent applies dynamics by implementing a controllable opening mechanism for the water outlet holes. The holes are closed during underwater operation to maintain waterproofing and are opened only when needed for drainage after extraction. This dynamic control allows the system to adapt its state based on operational requirements, ensuring both waterproofing during use and rapid drainage when removed from water.

Inventive Principle:
Principle #15Dynamics

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

This design significantly enhances drainage speed, reducing the weight of the robot and improving user experience by minimizing the effort required to remove and dry the device.

Implementation Method 1

when water pressure inside the second water outlet hole is less than water pressure outside the housing, the water baffle plate is attached to the side of the side wall... and when water pressure inside the second water outlet hole is greater than water pressure outside the housing, the water baffle plate is opened

Methodology Applied
Scientific EffectWater pressure: Pressure Gradient

Implementation Method 2

in a process in which the pool robot is leaving the water, the water baffle plate is opened, and water in the filtering box flows out through the second water outlet hole and is drained from the housing through the first water outlet hole

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentUS12435531B2Pool robot
Publication Date: 2025.10.07 XINGMAI INNOVATION TECH (SUZHOU) CO LTD
  • US12435531B2 patent drawing
  • US12435531B2 patent drawing
  • US12435531B2 patent drawing

AI summary

This application relates to a pool robot. The pool robot includes a housing, a filtering box, and a water baffle plate. The housing is provided with a first water outlet hole and an accommodation cavity. The filtering box is disposed in the accommodation cavity. A side wall of the accommodation cavity is provided with a second water outlet hole. The water baffle plate is connected to a side of the side wall of the accommodation cavity, and the side is away from the filtering box. The water baffle plate is provided over the second water outlet hole. When the pool robot is located in water, the water baffle plate closes the second water outlet hole. When the pool robot leaves the water, the water baffle plate is opened, and water in the filtering box is drained through the second water outlet hole and the first water outlet hole.