Cantilever Arm Pressure Control for Floor Cleaning Pads
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Solution Overview
Problem
Conventional floor cleaning machines face challenges in maintaining consistent pad pressure due to factors like wear, voltage fluctuations, and floor surface conditions, leading to potential damage or inadequate polishing.
Innovation Solution
A pressure regulation system using a cantilevered arm with a sensor and actuator that adjusts the cleaning implement's pressure by sensing deformation and returning it to a predetermined range, ensuring consistent contact force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the pad pressure is increased to improve polishing effect, then the polishing quality improves, but the risk of floor damage increases
Solution Approach 1:
The system continuously monitors pad pressure using a load cell and provides feedback to the controller, which automatically adjusts the scrubbing assembly pressure via the actuator to maintain pressure within the predetermined range, preventing both excessive pressure (floor damage) and insufficient pressure (poor polishing)
Solution Approach 2:
The pressure regulation system automatically monitors and adjusts pad pressure without operator intervention, using the load cell feedback and actuator mechanism to self-regulate pressure within the optimal range, eliminating the need for manual pressure adjustment
2Object-affected harmful factors
If the pad pressure is decreased to prevent floor damage, then the safety improves, but the polishing effect becomes insufficient
Solution Approach 1:
The load cell continuously measures pad pressure and feeds this information to the controller, which activates the actuator to maintain pressure within the predetermined range, ensuring sufficient polishing effect while preventing floor damage through automatic pressure regulation
Solution Approach 2:
The system dynamically adjusts the pressure parameter by actuating the actuator based on load cell feedback, changing the pressure from static to dynamically controlled within a predetermined range, optimizing both polishing effect and floor protection
3Device complexity
If conventional pressure regulation methods are used, then the device complexity is reduced, but the pressure consistency deteriorates
Solution Approach 1:
The system employs a load cell to continuously monitor pad pressure and provides feedback to the controller, which automatically adjusts pressure via the actuator, maintaining consistent pressure within the predetermined range despite variations in pad wear, battery voltage, or floor surface conditions
Solution Approach 2:
The patent replaces conventional mechanical pressure regulation mechanisms with an automated system combining load cell sensing, electronic control, and actuator actuation, substituting manual or purely mechanical regulation with an automated feedback-controlled system for superior pressure consistency
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
This system maintains optimal pressure between the cleaning implement and the floor, preventing damage from excessive or inadequate force, thereby enhancing the quality of the polishing process.
Implementation Method 1
A flexible cantilevered arm is coupled between the frame of the floor cleaning machine and the floor cleaning implements. The flexible cantilevered arm is adapted to elastically deform when the pressure between the floor cleaning implement and the floor is other than a predetermined amount.
Implementation Method 2
A sensor is coupled to the cantilevered arm to sense or measure deformation of the cantilevered arm.
Implementation Method 3
An actuator is coupled between the cantilevered arm and cleaning implements. The actuator is also coupled to the sensor and adapted to receive signals from the sensor to cause actuation of the actuator.
Data Source
Figure 1
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Figure 4
AI summary
A device and method for regulating the pressure between a floor cleaning implement (22) and a floor, wherein the floor cleaning implement (22) is coupled to a floor cleaning machine (10). The device of one embodiment comprises a cantilevered arm (28) coupled to the floor cleaning machine (10) and a sensor (30) coupled to the cantilevered arm (28) and positioned to sense deflection or other deformation of the cantilevered arm (28). An actuator (26) is coupled between the cantilevered arm (28) and cleaning implements (22) . The actuator (26) is also coupled to the sensor (30) and adapted to receive signals from the sensor (30) to cause actuation of the actuator (26). When pressure other than a predetermined amount causes the cantilevered arm (28) to deform, the sensor (30) senses this deformation and cause the actuator (26) to actuate in a direction that allows the cantilevered arm (28) to return to a position in which the pressure is within the predetermined amount.