Vacuum Pump Control Using Solenoid Valves and Vacuum Feedback
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Solution Overview
Problem
Traditional vacuum pumps require manual operation and monitoring, leading to high labor and time costs, and there is a need for an automatic control system to reduce these costs and improve efficiency.
Innovation Solution
A method and system using solenoid valves and control circuits for remote and automatic control of vacuum pumps, incorporating a vacuum value and time parameter model to adjust vacuum levels, along with temperature and leak tightness monitoring to ensure safe and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual control and monitoring of vacuum pumps is used, then operational simplicity is maintained, but labor costs and time consumption increase significantly
Solution Approach 1:
The vacuum pump system performs self-monitoring and self-control through automated detection of vacuum degree and temperature parameters, with the control circuit automatically adjusting motor speed and solenoid valve states without requiring continuous manual intervention, thereby reducing labor costs while maintaining operational simplicity
Solution Approach 2:
The patent replaces manual mechanical control with an automated control circuit that uses electrical signals and computational algorithms to monitor vacuum degree and temperature, control motor speed, and operate solenoid valves, thereby eliminating the need for continuous manual operation while managing control system complexity
2Reliability
If continuous operation of vacuum pump is maintained, then vacuum level is sustained, but energy consumption increases
Solution Approach 1:
The control circuit dynamically adjusts the motor operating speed based on real-time vacuum degree feedback, reducing speed when vacuum target is approached and stopping the motor when vacuum threshold is reached, thereby maintaining reliable vacuum levels while minimizing energy consumption through adaptive speed control
Solution Approach 2:
The system employs periodic monitoring of vacuum degree and temperature parameters, with the control circuit activating the motor only when vacuum drops below the threshold or temperature exceeds safe limits, rather than continuous operation, thus sustaining vacuum reliability while reducing overall energy consumption through intermittent cycling
3Reliability
If temperature monitoring and protection mechanisms are added, then operational safety is improved, but device complexity increases
Solution Approach 1:
The control circuit continuously receives feedback from temperature sensors monitoring both motor and vacuum pump temperatures, comparing readings against preset thresholds and automatically activating protection mechanisms when limits are exceeded, thereby improving operational safety through real-time feedback while managing complexity through integrated control logic
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 remote and automatic control of vacuum pumps, reducing labor costs and energy consumption while maintaining vacuum levels, and ensuring operational safety through real-time monitoring and adjustment.
Implementation Method 1
S2: Starting the motor and opening the solenoid valve
Data Source
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AI summary
The present disclosure relates to a method and system for automatic control of a vacuum pump.. The method involves: starting the vacuum pump and obtaining system parameters; starting the motor and opening the solenoid valve; collecting the current vacuum value and motor start time; establishing a vacuum value model; comparing the current and predicted vacuum values; establishing a time parameter model; comparing the current vacuum value and time with set values; and turning off the motor and solenoid valve. This system enables remote and automatic control through solenoid valves and control circuits, saving energy, reducing labor costs, and improving efficiency..