Automated Floor Cleaner with Position Mapping for Complete Coverage

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Solution Overview

Problem

Manual floor cleaning in high-hygiene environments like hospitals often results in missed areas due to the difficulty of navigating around obstacles and the lack of thoroughness in automated cleaning systems, which struggle to ensure consistent cleaning standards.

Innovation Solution

An automated floor cleaner equipped with a sensing system and an endless belt with bristles that maps its position and cleans the floor thoroughly, using a motor-driven belt and fluid jets for effective cleaning, while navigating around obstacles and ensuring complete coverage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If manual floor cleaning is performed by an operator using a scrubber dryer, then flexibility in navigating around obstacles is improved, but cleaning thoroughness and consistency deteriorate due to operator oversight and fatigue

Engineering Contradiction:
ImproveAbility to navigate around obstaclesVSAvoidCleaning thoroughness and consistency
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The automated floor cleaner performs cleaning operations autonomously without human intervention. The machine navigates obstacles, maintains cleaning paths, and monitors its own operation through sensors and mapping capabilities, eliminating operator fatigue and oversight while maintaining consistent cleaning standards throughout the entire floor area

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces the manual mechanical operation of a scrubber dryer with an automated system featuring robotic navigation, sensor-based obstacle detection, and computer-controlled cleaning mechanisms. This substitution eliminates human error while maintaining the physical cleaning function through automated belt-driven scrubbing surfaces

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Device complexity

If automated cleaners use generalised cleaning patterns without position mapping, then device complexity is reduced, but ability to assess cleaning coverage and ensure thorough cleaning deteriorates

Engineering Contradiction:
ImproveSimplicity of cleaning pattern programmingVSAvoidCleaning coverage assessment accuracy
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The automated floor cleaner incorporates sensors that continuously monitor position, cleaning coverage, and operational status. This feedback is processed by a controller that adjusts cleaning patterns in real-time, ensures complete area coverage, and provides data on cleaning thoroughness, enabling precise assessment without excessive complexity

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent introduces position mapping and spatial tracking as an additional dimension to the cleaning system. By recording the cleaner's position and cleaning path in two-dimensional space, the system can assess coverage accuracy and ensure thorough cleaning without requiring complex programming, transforming the problem from pattern-based to position-based control

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

3Ease of operation

If manual cleaning operators work around hospital equipment and obstacles, then ease of operation is improved, but cleaning coverage of hard-to-reach areas deteriorates due to blocked or shielded areas

Engineering Contradiction:
ImproveAbility to work around obstaclesVSAvoidTotal cleaned floor area
Core Design Contradiction:
Ease of operationVSArea of stationary object

Solution Approach 1:

The automated floor cleaner employs dynamic navigation capabilities that allow it to adapt its cleaning path in real-time based on obstacle detection. The machine can dynamically adjust its trajectory, approach angles, and cleaning patterns to access hard-to-reach areas around hospital equipment, ensuring complete coverage without requiring manual intervention to navigate around obstacles

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

Ensures thorough and consistent cleaning across entire areas, including hard-to-reach spaces, by mapping its path and adjusting for obstacles, thereby improving cleaning standards and reducing human error.

Implementation Method 1

a sensing means configured to sense the position of the floor cleaner within a location

Methodology Applied
Scientific EffectSensing:

Implementation Method 2

a motor, connected to the belt to drive the belt independently of movement of the floor cleaner across the floor

Methodology Applied
Scientific EffectElectromagnetic conversion: Electromagnetic Induction

Implementation Method 3

an endless belt, connected to and extending from the cleaner body so that in use a section of the surface area of the belt is in contact with the floor to in use clean the floor surface

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 4

an endless belt, connected to and extending from the cleaner body so that in use a section of the surface area of the belt is in contact with the floor to in use clean the floor surface

Methodology Applied
Scientific EffectAbrasion: Abrasion

Data Source

PatentEP3307128B1An automated floor cleaner
Publication Date: 2019.11.06 MITCHELL TIMOTHY PETER
  • EP3307128B1 patent drawingFigure 1~2
  • EP3307128B1 patent drawingFigure 3
  • EP3307128B1 patent drawingFigure 4~5

AI summary

An automated floor cleaner (1) has a cleaner body (2); a cleaning means (3, 45, 6) connected to the cleaner body (2) and configured to in use contact a floor surface to clean the surface; a movement means (7, 19, 8) connected to the cleaner body (2) and configured so that in use the floor cleaner (1) can move across a surface, and; a sensing means 16a, 16b configured to sense the position of the floor cleaner within a location and to transmit data relating to the position to a memory module (20) configured to map and record the position of the floor cleaner (1) during use.