Integrated Electronic Pressure Switch for Compressor Pressure Control
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Solution Overview
Problem
Existing compressor systems, especially single or small capacity compressors, face complexity, high costs, and lengthy servicing processes due to the need for multiple sensors and complex wiring, making them inefficient and costly to maintain.
Innovation Solution
A compact, integrated electronic pressure switch with a microprocessor unit, pressure sensor, current sensor, and communication units housed together, which monitors and controls compressor parameters without additional wiring or sensors, facilitating easy installation and servicing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple separate sensors and complex wiring systems are used for compressor monitoring, then measurement precision and control accuracy are improved, but device complexity and installation cost increase
Solution Approach 1:
The patent combines the pressure sensor, current sensor, microprocessor unit, and communication units into a single integrated electronic pressure switch housing. This merging eliminates the need for multiple separate sensors and complex wiring connections, reducing installation complexity while maintaining measurement precision through dedicated sensing components within the integrated unit.
Solution Approach 2:
The electronic pressure switch serves multiple functions: it monitors pressure, monitors current, controls the motor drive, operates the blow-off valve, and provides communication interfaces. This multi-functionality consolidates what would traditionally require separate devices into one universal control unit, simplifying the overall system architecture.
2Measurement precision
If multiple separate sensors and control components are used, then monitoring accuracy is improved, but ease of installation and servicing deteriorates
Solution Approach 1:
By integrating all monitoring and control components into a single electronic pressure switch unit, the patent makes installation straightforward (connect the unit to the compressed gas outlet and communicate with the motor drive and blow-off valve) and servicing simple (replace the entire integrated unit if failure occurs). This eliminates the need to troubleshoot and repair multiple separate components.
3Adaptability or versatility
If traditional pressure switch systems are used in existing compressors, then compatibility is maintained, but additional wiring and piping requirements increase
Solution Approach 1:
The patent extracts the sensing and control functions from traditional mechanically-linked pressure switch systems and implements them electronically within an integrated unit. This eliminates the need for additional mechanical piping connections while maintaining electrical compatibility with existing motor drives through standardized communication interfaces.
4Ease of manufacture
If integrated electronic pressure switch is used, then ease of installation and manufacturing is improved, but device integration complexity increases
Solution Approach 1:
The patent merges multiple components (pressure sensor, current sensor, microprocessor, communication units) into a single housing, which simplifies manufacturing through standardized assembly processes and facilitates installation as a plug-and-play unit. The integration complexity is managed through modular internal design, making the overall system easier to manufacture and install compared to separate components.
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 provides a cost-effective, efficient, and accurate monitoring and control system that reduces servicing time, increases compressor lifespan, and maintains stable pressure and current levels, enhancing operational efficiency and reducing downtime.
Implementation Method 1
a pressure sensor for sensing a pressure signal at a compressed gas outlet of the compressor
Implementation Method 2
a current sensor for sensing a current signal of the motor driving the compressor element
Data Source
AI summary
A compressor provided with a compressor element, a motor configured to drive said compressor element and an electronic pressure switch. The electronic pressure switch includes a pressure sensor; a current sensor; a microprocessor unit including a first input port and a second input port; a first communication unit; and a second communication unit. The electronic pressure switch includes a housing. The microprocessor unit, the pressure sensor, the current sensor, the first communication unit and the second communication unit are integrated in said housing.