Vacuum Pump Control Using Solenoid Valves and Vacuum Feedback
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Solution Overview
Problem
Traditional vacuum pump operation requires manual labor and time, leading to high costs and inefficiencies due to the need for manual control of vacuum valves.
Innovation Solution
A method and system utilizing solenoid valves and control circuits for automatic control of vacuum pumps, including vacuum value and time parameter modeling to regulate the solenoid valve, coupled with temperature and leak tightness monitoring for safety and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual control of vacuum valves is used, then the vacuum pump can be operated, but labor costs and time consumption increase significantly
Solution Approach 1:
The patent replaces the manual mechanical valve control system with an automated electronic control system. The vacuum valve is replaced by a solenoid valve that can be automatically controlled by a control circuit, eliminating the need for manual operation while maintaining the vacuum pumping function. This substitution directly addresses the contradiction by removing manual labor (improving ease of operation) while enabling automated timing control (reducing time consumption).
Solution Approach 2:
The control system is designed to automatically monitor vacuum levels and control the solenoid valve opening/closing cycles without human intervention. The system uses a vacuum sensor to detect vacuum degree and automatically adjusts the solenoid valve based on preset parameters, making the system self-regulating and eliminating the need for continuous manual monitoring and adjustment.
2Reliability
If the vacuum pump operates continuously to maintain vacuum levels, then vacuum stability is improved, but energy consumption increases
Solution Approach 1:
The control system implements periodic operation of the vacuum pump by automatically controlling the solenoid valve to open and close at specific intervals. Instead of continuous operation, the pump runs in cycles - opening the solenoid valve to allow vacuum pumping, then closing it to maintain the vacuum level. This periodic action maintains vacuum stability while significantly reducing energy consumption compared to continuous operation.
Solution Approach 2:
The system uses a vacuum sensor to continuously monitor the vacuum degree and provides feedback to the control circuit. Based on this feedback and preset vacuum thresholds, the control circuit automatically decides when to open or close the solenoid valve. This feedback mechanism ensures the vacuum level is maintained within acceptable ranges while optimizing pump operation timing to minimize energy consumption.
3Productivity
If solenoid valve automatic control is implemented, then labor costs are reduced, but device complexity increases
Solution Approach 1:
The control system is divided into distinct functional modules: a vacuum sensor module for detection, a control circuit module for decision-making, and a solenoid valve module for execution. Each module performs a specific function and can be independently configured or replaced. This segmentation reduces overall system complexity by making each component simpler and more standardized, while still achieving automated control that improves productivity.
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, reducing labor costs, saving energy, and improving operational safety and efficiency by maintaining vacuum levels and automatically switching between pumping and maintenance tasks.
Implementation Method 1
use solenoid valves and control circuits for remote and automatic control
Data Source
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.