Modular Self-Moving Robot for Integrated Mowing and Cleaning Tasks
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Solution Overview
Problem
Existing automated household devices, such as automatic dust collectors and mowers, require multiple devices for different tasks, leading to high costs, complexity, and inefficiency, with each device needing separate charging stations and potential interference between systems, and users must manually water and fertilize lawns, increasing labor and expense.
Innovation Solution
A modular self-moving robot that integrates mowing and cleaning functions, using a ground recognizing unit to switch between modes based on terrain, and interchangeable modules for various tasks, including mowing, cleaning, and liquid sprinkling, with a single energy source and charging system, allowing for autonomous operation and reduced maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple separate automated devices are used for different tasks (mowing, cleaning, etc.), then each device can be optimized for its specific function, but the overall system complexity increases, cost increases, and multiple charging stations are required
Solution Approach 1:
The patent applies multi-functionality by designing a single robot platform that can perform multiple tasks including mowing, cleaning, and other household functions through interchangeable modules. The robot body includes a working module installation position where different functional modules can be attached, allowing one device to replace multiple specialized devices while maintaining optimized performance for each function through dedicated module design
2Reliability
If multiple separate automated devices are deployed, then each device has dedicated energy supply, but the total cost and space requirements for charging stations and wiring increase
Solution Approach 1:
The patent eliminates the need for multiple charging stations by providing a single energy supply device that charges the robot body. The interchangeable working modules draw power from the robot body's energy supply, creating a unified charging infrastructure that serves all functions through one docking station, thereby reducing complexity while maintaining reliable energy supply
3Device complexity
If multiple functions are integrated into one machine body, then cost and complexity are reduced, but the machine size increases, weight increases, and energy consumption increases
Solution Approach 1:
The patent applies segmentation by dividing the system into a permanent robot body and interchangeable working modules. When a specific task is not being performed, its corresponding module can be detached or removed, reducing the robot's weight and size. The robot body contains the common components (energy supply, control system, driving mechanism) while each module contains only the specific functional components needed for that task
4Device complexity
If multiple functions are integrated into one machine body, then fewer devices are needed, but the working time after one charge decreases and working efficiency is affected
Solution Approach 1:
The patent enables extended working time by allowing the robot to return to its base station to recharge during task execution. The modular design allows the robot to efficiently switch between tasks by detaching and attaching different modules at the base station, minimizing downtime. The single energy supply device provides sufficient capacity to support multiple task cycles with recharging intervals
Data Source
AI summary
A self-moving robot includes a shell, a driving module, driving the self-moving robot to move on the ground; a mowing module, executing mowing work; an energy module, providing energy for the self-moving robot; a control module, controlling the self-moving robot to automatically move and execute work, the self-moving robot further includes a cleaning module executing ground cleaning work; the self-moving robot has a mowing mode and a cleaning mode, under the mowing mode, the control module controls the self-moving robot to execute mowing work, and under the cleaning mode, the control module controls the self-moving robot to execute cleaning work.