Modular Vacuum Pump Control for Adaptive Sensor and Air Supply
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Solution Overview
Problem
Existing vacuum control units for multi-pump systems face challenges in efficient compressed air supply and adaptability, as they lack a specific control method for energy saving and work stability, and are limited by a fixed number and position of sensors, making them inflexible for varying work requirements.
Innovation Solution
A vacuum control unit with a module stack and a control unit that allows for adjustable sensor selection and electronic valve control to manage compressed air supply dynamically, enabling efficient energy use and improved stability by blocking or resuming air supply based on pressure conditions and allowing for variable sensor configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a multi-sensing unit integrates multiple sensors into one control unit, then device complexity is reduced, but adaptability to varying work requirements deteriorates due to fixed sensor configuration
Solution Approach 1:
The control unit is divided into multiple sensor units, each with its own sensor and electronic valve. Each sensor unit can be independently selected and activated based on work requirements, allowing flexible configuration while maintaining integration benefits
Solution Approach 2:
The system transitions from a fixed sensor configuration to a dynamic configuration where sensor units can be selectively activated or deactivated based on operational needs, enabling adaptability while maintaining system integration
2Reliability
If compressed air is continuously supplied to vacuum pumps, then work stability is maintained, but energy consumption increases
Solution Approach 1:
The control unit continuously monitors pressure through sensors and provides feedback control. When pressure reaches the target level, the system automatically stops compressed air supply. When pressure drops below the threshold, supply is automatically resumed, achieving energy-efficient operation while maintaining work stability
Solution Approach 2:
Instead of continuous compressed air supply, the system uses periodic on-demand supply based on pressure monitoring. The electronic valve opens and closes periodically based on sensor feedback, reducing energy consumption while maintaining vacuum stability
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 solution enables energy-efficient compressed air management, enhances work stability, and allows for flexible sensor configuration, accommodating different work requirements by dynamically adjusting the number and position of sensors, thus optimizing the vacuum control unit's performance.
Implementation Method 1
the sensor may detect the internal pressure of the vacuum pump, i.e., vacuum pressure (-kPa)
Implementation Method 2
the other side terminal unit connected to an electronic valve configured to open and close a compressed air inlet of the vacuum pump
Implementation Method 3
A vacuum transfer system refers to a system that exhausts an inner space of a suction pad by using a vacuum pump acting by compressed air to generate negative pressure therein
Data Source
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AI summary
The present invention relates to a vacuum control unit that outputs an operation signal for transfer of an object depending on each internal pressure condition of a plurality of vacuum pumps in a vacuum transfer system. The control unit includes a module stack in which modules individually corresponding to each vacuum pump are assembled in a close contact manner and a control unit disposed at one side of the stack and being in signal connection with each module. Each module includes one side sensor unit configured to detect inner pressure of the vacuum pump and the other side terminal unit connected to an electronic valve configured to open and close a compressed air inlet of the vacuum pump.