Cleaning device control method, cleaning device, and computer readable storage medium

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Solution Overview

Problem

Existing cleaning devices suffer from low efficiency in gas-solid-liquid separation, leading to sewage accumulation in the separation chamber, which can cause the suction assembly to fail and reduce its service life.

Innovation Solution

A control method for a cleaning device that synchronizes the operation of a power component with the suction assembly to efficiently separate sewage from soiling, using liquid level detectors and power adjustments based on liquid levels and cleaning modes to prevent sewage accumulation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the suction assembly operates to suction soiling, then cleaning effectiveness is improved, but sewage may swirl and be sucked into the suction assembly causing failure

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidsuction assembly service life
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The power component is activated before the suction assembly to pre-drive sewage into the sewage chamber, creating a protective action that prevents sewage from swirling into the suction assembly during subsequent cleaning operations

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The control module monitors the operating state of the suction assembly and dynamically adjusts the power component's operation accordingly, creating a feedback loop that maintains reliable separation and prevents suction assembly failure

Inventive Principle:
Principle #23Feedback

2Productivity

If the power component operates at high power continuously, then sewage separation efficiency is improved, but energy consumption increases

Engineering Contradiction:
Improvesewage separation efficiencyVSAvoidenergy consumption
Core Design Contradiction:
ProductivityVSUse of energy by moving object

Solution Approach 1:

The power component transitions from continuous high-power operation to dynamic variable-power operation, adjusting its output based on real-time liquid level feedback to maintain separation efficiency while minimizing energy consumption

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The liquid level detector provides continuous feedback to the control module, which adjusts the power component's operation in real-time, creating a closed-loop control system that optimizes energy usage while maintaining effective sewage separation

Inventive Principle:
Principle #23Feedback

3Reliability

If the power component operates according to liquid level and cleaning mode, then sewage accumulation is prevented, but control complexity increases

Engineering Contradiction:
Improveprevention of sewage accumulationVSAvoidcontrol system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The control system automatically adjusts power component operation based on liquid level and cleaning mode without requiring manual intervention, making the system self-regulating and reducing operational complexity

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The control module uses feedback from the liquid level detector and cleaning mode information to automatically regulate the power component, creating a self-adjusting system that prevents sewage accumulation while managing control complexity through automation

Inventive Principle:
Principle #23Feedback

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

Enhances sewage separation efficiency, preventing sewage from entering the suction assembly and extending its service life by adapting power component operation to liquid levels and cleaning modes.

Implementation Method 1

a liquid level detector is provided in the gas-solid-liquid separation chamber for detecting a liquid level in the gas-solid-liquid separation chamber

Methodology Applied
Scientific EffectLiquid level detection:

Implementation Method 2

the power component is connected to the sewage chamber and is used to provide power to cause sewage to flow into the sewage chamber from the gas-solid-liquid separation chamber

Methodology Applied
Scientific EffectFluid flow:

Implementation Method 3

the suction assembly is used to provide power to cause soiling to enter the gas-solid-liquid separation chamber via the suction pipe

Methodology Applied
Scientific EffectSuction: Suction

Implementation Method 4

the power component is a gas power component, and the cleaning device further comprises a suction channel, and the gas power component is connected to the sewage chamber through the suction channel to suck gas in the sewage chamber through the suction channel

Methodology Applied
Scientific EffectGas suction: Suction

Implementation Method 5

a water presence detector is provided in the suction channel; the water presence detector is used to detect whether there is water in the suction channel

Methodology Applied
Scientific EffectWater presence detection:

Data Source

PatentEP4699507A1Cleaning device control method, cleaning device, and computer readable storage medium
Publication Date: 2026.02.25 YUNJING INTELLIGENCE (SHENZHEN) CO LTD
  • EP4699507A1 patent drawingFigure 1
  • EP4699507A1 patent drawingFigure 2
  • EP4699507A1 patent drawingFigure 3

AI summary

A control method for a cleaning device (200), a cleaning device (200), and a computer readable storage medium. The cleaning device (200) includes a sewage tank, a suction pipeline (240), a suction assembly (210), and a power component (250). The sewage tank comprises a sewage chamber (230) and a gas-solid-liquid separation chamber (220). An outlet of the suction pipeline (240) is connected to the gas-solid-liquid separation chamber (220). The suction assembly (210) is used for providing power to allow soiling to enter the gas-solid-liquid separation chamber (220) through the suction pipeline (240). The power component (250) is connected to the sewage chamber (230) and is used for providing power to allow sewage to flow into the sewage chamber (230) from the gas-solid-liquid separation chamber (220). The method includes: in response that the suction assembly (210) is switched on, controlling the power component (250) to be started so as to drive the sewage in the gas-solid-liquid separation chamber (220) to flow into the sewage chamber (230). Failure of the suction assembly (210) caused by the sewage flowing into the suction assembly (210) can be avoided, so that the service life of the suction assembly (210) is prolonged.