Pressure Cleaning Device Adaptive Control via Sensor Feedback
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Solution Overview
Problem
Existing pressure cleaning devices lack efficient and safe operation control, particularly in varying operating modes, leading to potential overpressure, underpressure, and energy inefficiency, with limited user-friendly settings for different hose attachments and fluid jet types.
Innovation Solution
A pressure cleaning device equipped with an electric pressure sensor and flow rate sensor, controlled by a device that adjusts the pressure generating unit based on set operating modes, preventing over/under pressure, identifying hose attachments, and optimizing energy use through adaptive pressure settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pressure cleaning devices operate in multiple fixed operating modes, then versatility is improved, but control precision and safety deteriorate due to lack of adaptive pressure regulation
Solution Approach 1:
The patent implements dynamic pressure regulation by equipping the pressure generating unit with sensors (pressure sensor 220, flow rate sensor) and a control device (240) that continuously monitors operating parameters and automatically adjusts pressure output. This transforms static fixed-mode operation into dynamic adaptive operation, allowing the system to respond in real-time to changing conditions while maintaining safety across multiple operating modes.
Solution Approach 2:
The control device receives feedback from pressure sensor 220 and flow rate sensor about current operating conditions, processes this information, and automatically adjusts the pressure generating unit's output accordingly. This closed-loop feedback mechanism ensures safe operation across different operating modes by preventing overpressure conditions and optimizing performance for each mode.
2Device complexity
If pressure cleaning devices lack adaptive control, then device complexity is reduced, but energy efficiency deteriorates due to inability to optimize pressure settings
Solution Approach 1:
The control device (240) automatically monitors operating parameters via sensors and adjusts the pressure generating unit's output without user intervention. The system self-regulates pressure based on detected conditions, eliminating the need for manual mode switching or adjustment while optimizing energy consumption for each operating scenario.
Solution Approach 2:
The system dynamically changes operating parameters (pressure output, motor speed) based on sensor feedback and detected operating conditions. The control device adjusts these parameters automatically to optimize energy efficiency for different cleaning tasks and hose attachments, transforming the system from static to adaptive parameter control.
3Device complexity
If pressure cleaning devices operate without pressure monitoring, then device complexity is reduced, but harmful effects increase due to overpressure and underpressure conditions
Solution Approach 1:
The pressure sensor (220) and control device (240) continuously monitor pressure levels and proactively adjust the pressure generating unit to prevent overpressure or underpressure conditions before they occur. This predictive control mechanism cushiones against harmful pressure extremes by detecting trends and correcting them in advance.
Solution Approach 2:
The pressure sensor provides continuous feedback to the control device about actual pressure levels, enabling real-time adjustments to prevent harmful overpressure or underpressure conditions. This closed-loop monitoring and control system ensures safe operation by automatically responding to pressure deviations.
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 safe, efficient, and energy-saving operation by controlling pressure within set limits, preventing damage, and allowing inexperienced users to apply the device effectively across different cleaning tasks.
Implementation Method 1
The pressure generating unit is assigned a preferably electric pressure sensor for determining a respectively current operating pressure
Implementation Method 2
a flow rate sensor for determining a respectively current flow rate
Implementation Method 3
a pressure generating unit for pressurizing a fluid and for delivering a pressurized fluid
Data Source
AI summary
The disclosure relates to a pressure cleaning device comprising a pressure generating unit for pressurizing a fluid and for dispensing a pressurized fluid via a hose attachment, preferably via a hand gun or via a cleaning nozzle. The pressure cleaning device can be operated in at least two different operating modes. According to the disclosure, a preferably electric pressure sensor for determining an actual operating pressure and/or a flow rate sensor for determining an actual flow rate and a control device are associated with the pressure generating unit. The control device is designed to control the pressure generating unit in particular, based on a respectively set operating mode in accordance with an actual operating pressure and/or an actual determined flow rate.