Configuration of a cleaning head for an autonomous vacuum

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional autonomous floor cleaning systems are limited in their ability to adapt to various surface types and messes, often requiring manual adjustments and struggling with efficient cleaning of stains, navigation, waste management, and user command interpretation.

Innovation Solution

An autonomous cleaning robot with a self-actuated, vertically-adjustable cleaning head, equipped with sensors for environmental mapping and waste management, including a mop roller with abrasive material and an absorbent waste bag, allowing for efficient cleaning of different surfaces and messes while navigating and responding to user commands.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the cleaning head is set at a fixed low height to ensure cleaning contact with the floor, then cleaning efficacy is improved, but the autonomous floor cleaning system becomes unable to move over obstacles and may damage the floor

Engineering Contradiction:
Improvecleaning efficacyVSAvoidmobility over obstacles
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The cleaning head height is made dynamically adjustable through an actuator system that automatically modifies the height based on detected obstacle size and type. This allows the system to maintain optimal cleaning contact on flat surfaces while elevating the cleaning head to clear obstacles, resolving the contradiction between cleaning efficacy and mobility.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the cleaning head is set at a fixed high height to improve mobility over obstacles, then adaptability is improved, but the autonomous floor cleaning system may miss some of the mess

Engineering Contradiction:
Improvemobility over obstaclesVSAvoidcleaning efficacy
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system dynamically adjusts cleaning head height based on real-time sensor feedback about obstacle presence and size. When no obstacles are detected, the cleaning head maintains low position for effective mess contact. When obstacles are detected, the system elevates the cleaning head to clear them, thus maintaining both mobility and cleaning efficacy through adaptive height control.

Inventive Principle:
Principle #15Dynamics

3Reliability

If manual adjustment of the cleaning head is performed to optimize cleaning efficacy, then cleaning performance is improved, but the system requires user intervention and cannot adapt to various surface types automatically

Engineering Contradiction:
Improvecleaning performanceVSAvoidautomatic adaptation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system performs self-adjustment of cleaning head height through integrated sensors and actuators that automatically detect surface types, obstacle sizes, and mess characteristics. This eliminates the need for manual user intervention while maintaining optimal cleaning performance across diverse surfaces and conditions, achieving both high cleaning performance and automatic adaptation.

Inventive Principle:
Principle #25Self-service

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 autonomous cleaning robot enhances cleaning efficacy and mobility by automatically adjusting the cleaning head height, effectively cleaning diverse surfaces and messes, managing both solid and liquid waste, and accurately interpreting user commands through environmental mapping and sensor systems.

Implementation Method 1

A conventional floor cleaning system may include a mop roller for cleaning the floor... an autonomous cleaning robot with a self-actuated, vertically-adjustable cleaning head, equipped with sensors for environmental mapping and waste management, including a mop roller with abrasive material

Methodology Applied
Scientific EffectAbrasion: Abrasion

Implementation Method 2

Other waste storage solutions to handle both liquid and solid waste include waste containers... an autonomous cleaning robot with a self-actuated, vertically-adjustable cleaning head, equipped with sensors for environmental mapping and waste management, including a mop roller with abrasive material and an absorbent waste bag

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Data Source

PatentUS20210244249A1Configuration of a cleaning head for an autonomous vacuum
Publication Date: 2021.08.12 MATIC ROBOTS INC
  • US20210244249A1 patent drawing
  • US20210244249A1 patent drawing
  • US20210244249A1 patent drawing

AI summary

An autonomous cleaning robot (e.g., an autonomous vacuum) may employ a cleaning head for cleaning messes in an environment. The cleaning head may comprise an enclosure with a brush opening at a first side, a mop opening at a second side, and an outlet connected to a vacuum pump. The outlet may open to a cavity within the enclosure. The cleaning head may further comprise a brush roller configured at a front of the enclosure, a mop roller configured behind the brush roller in the enclosure, an actuator connecting the mop roller and brush roller to the enclosure, and a selection flap hinged at a top portion of the cavity. Each of the brush roller and mop roller may be externally exposed at the brush opening and mop opening, respectively, and the actuator may be configured to move the enclosure vertically.