Pressurized Cleaning Apparatus Adjustable Pressure Control
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Solution Overview
Problem
Existing pressure cleaning devices lack the ability to adjust the maximum operating pressure, leading to inefficient and potentially unsafe operation, as the pressure is preset and cannot be set application-specifically.
Innovation Solution
A pressure cleaning device with an operating unit that allows for the setting of both maximum and minimum operating pressures, enabling adjustable drive parameters, and a control device to manage the pressure generating unit based on these settings, ensuring safe and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the maximum operating pressure is preset and cannot be adjusted, then the device structure is simple, but the adaptability to different applications is poor
Solution Approach 1:
The patent implements adjustable maximum operating pressure through an operating unit that allows users to set different pressure limits based on application requirements. The control device dynamically adjusts the pressure generation unit's operation according to the set maximum pressure, enabling the system to adapt to various cleaning tasks while maintaining a relatively simple overall structure through automated control logic.
Solution Approach 2:
The patent enables adjustment of the maximum operating pressure parameter to suit different application needs. By allowing users to set different maximum pressure values through the operating unit, the system can optimize performance for specific cleaning tasks without requiring complete redesign of the device structure.
2Use of energy by moving object
If the maximum operating pressure cannot be adjusted, then the device is easier to operate, but energy efficiency is reduced
Solution Approach 1:
The control device continuously monitors the operating pressure and compares it with the set maximum pressure. When the maximum pressure is reached, the control device automatically deactivates the pressure generation unit, preventing energy waste from excessive pressure generation. This feedback mechanism enables energy-efficient operation while maintaining simple user interaction through automated pressure regulation.
Solution Approach 2:
The pressure generation unit operates in periodic cycles, being activated when pressure drops below the maximum setting and deactivated when the maximum is reached. This periodic operation pattern optimizes energy consumption by avoiding continuous high-pressure generation, while the automated control keeps the system easy to operate.
3Reliability
If the maximum operating pressure is preset, then the control system is simple, but safety is compromised due to inability to prevent pressure overexceeding
Solution Approach 1:
The control device is configured to prevent pressure overexceeding by deactivating the pressure generation unit when the set maximum pressure is reached. This preliminary protective action stops the pressure from exceeding safe limits before it can cause damage, enhancing system safety while maintaining relatively simple control logic through straightforward pressure threshold monitoring.
4Productivity
If the pressure generating unit operates continuously at high pressure, then productivity is high, but energy consumption increases
Solution Approach 1:
The pressure generation unit operates periodically rather than continuously, being activated when pressure drops below the maximum setting and deactivated when the maximum is reached. This periodic operation maintains high cleaning efficiency by ensuring pressure is available when needed while significantly reducing energy consumption by avoiding continuous high-pressure generation.
Solution Approach 2:
The system automatically regulates its own operation based on the set maximum pressure, activating and deactivating the pressure generation unit as needed without continuous user intervention. This self-regulating mechanism maintains productivity by ensuring pressure availability while optimizing energy consumption through automated on/off cycling.
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
Enables efficient, safe, and energy-saving operation by allowing application-specific pressure settings, preventing pressure overexceeding and ensuring reliable operation through controlled activation and deactivation of the pressure generating unit.
Implementation Method 1
a pressure generating unit (120) for pressurizing a fluid
Implementation Method 2
a measuring unit for determining the current operating pressure of the pressure generating unit is arranged at a pump outlet of the pump
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
In a pressurized cleaning apparatus (100) comprising a pressure generation unit (120) for pressurizing a fluid, in particular for supplying a pressurized fluid via a hose attachment (150), preferably via a hand-held pistol or a spray nozzle, an operating unit (118) is provided that is designed to make it possible to set a maximum operating pressure of the pressure generation unit (120) at which the pressure generation unit (120) is deactivated.