Mobile Lubrication Pump Pressure Control for Variable Targets
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Solution Overview
Problem
Existing mobile lubrication systems face challenges in regulating pump pressure effectively across different lubrication targets, leading to potential damage from excessive pressure or inefficient lubrication due to insufficient pressure.
Innovation Solution
A mobile lubrication pump system that includes a motor, pressure monitor, motor controller, and data processing unit (DPU) to measure and regulate pump pressure based on user input related to pump capacity and lubrication targets, ensuring optimal pressure levels for efficient and safe lubrication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the lubrication pressure is increased to ensure efficient lubrication of high-pressure targets, then the lubrication efficiency is improved, but the risk of damaging low-pressure tolerance targets increases
Solution Approach 1:
The system dynamically adjusts motor speed and pump pressure based on real-time feedback from the pressure monitor and user input about the lubrication target. The DPU continuously regulates operating parameters to match the specific pressure requirements of each target, enabling efficient lubrication of high-pressure targets while preventing damage to low-pressure targets.
Solution Approach 2:
The system incorporates a pressure monitor that provides real-time feedback on pump pressure to the DPU. This feedback loop enables the system to detect pressure conditions and automatically adjust motor speed and torque to maintain pressure within safe and efficient ranges for the specific lubrication target being serviced.
2Productivity
If the pump operates at high capacity pressure to reduce service time, then the productivity is improved, but the safety risk increases due to potential overpressures
Solution Approach 1:
The pressure monitor continuously monitors pump pressure and provides feedback to the DPU, which automatically adjusts motor speed and torque to prevent overpressures. This feedback mechanism allows the system to operate at high capacity when safe, while automatically reducing pressure when approaching safety limits, thus maintaining both productivity and safety.
Solution Approach 2:
The system changes operating parameters (motor speed and torque) dynamically based on pressure conditions. The DPU receives pressure feedback and adjusts parameters in real-time, enabling the pump to operate at high capacity when conditions permit while automatically reducing parameters to maintain safety when pressure limits are approached.
3Stress or pressure
If the motor speed is increased to deliver higher pressure, then the pump pressure capability is improved, but the risk of pump overloading increases
Solution Approach 1:
The pressure monitor provides continuous feedback on pump pressure to the DPU, which regulates motor speed and torque accordingly. This feedback control prevents the motor from being overloaded by automatically reducing speed when pressure approaches maximum safe levels, while still enabling high pressure delivery when conditions allow.
Solution Approach 2:
The system dynamically changes motor operating parameters (speed and torque) based on pressure feedback. The DPU adjusts these parameters in real-time to deliver required pressure while preventing motor overload, optimizing the balance between pressure capability and motor protection.
Data Source
AI summary
A mobile lubrication pump has a motor for driving the pump for producing a pump pressure, a pressure monitor for measuring the pump pressure, a motor controller for regulating the operation of the motor, and a data processing unit (DPU) for communicating with the motor controller, and for receiving: 1) input from the pressure monitor, and 2) user input related to pump capacity and/or lubrication target. The data processing unit is configured to determine and communicate a motor speed and/or motor torque to the motor controller based on the received input 1) and 2).