Pumping Device Readiness Testing via Control Unit Data Comparison
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Solution Overview
Problem
Existing gas-measuring systems lack a method to effectively test and monitor the operating readiness of pumping devices, which is crucial for accurate gas measurement and safety in industrial environments, as factors like contamination, wear, and clogging can affect pump performance.
Innovation Solution
A method involving a control unit within the pumping device that determines and compares initialization and operating data sets to assess the readiness of the pumping device, using sensors to measure parameters such as feed pressure, flow rate, and ambient conditions, and categorizing the operating state to indicate readiness or potential issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pumping device operates continuously without testing, then productivity is maintained, but reliability deteriorates due to undetected contamination, wear, and clogging
Solution Approach 1:
The patent implements periodic self-tests of the pumping device during operation. The control unit automatically initiates test sequences at defined intervals, where the pump is briefly operated under test conditions (e.g., with a closed outlet) to measure parameters like current consumption or pressure. These periodic measurements allow continuous monitoring of the device's readiness without permanently interrupting productivity, as the tests are short and can be scheduled during normal operation cycles.
2Reliability
If the pumping device is tested frequently, then reliability is improved through early detection of issues, but productivity deteriorates due to operational interruptions
Solution Approach 1:
The patent enables continuous monitoring of the pumping device's operating state by integrating sensors and a control unit that constantly measure parameters such as current, pressure, and flow rate. This continuous data collection allows the system to detect changes in operating conditions (e.g., increasing current indicating clogging) without interrupting the pump's useful action of transporting gas. The monitoring occurs seamlessly during normal operation, maintaining both reliability and productivity.
Solution Approach 2:
The control unit receives continuous feedback from sensors monitoring the pumping device's operation. When measured values deviate from expected ranges (e.g., current consumption exceeds thresholds), the system generates feedback signals that can trigger warnings, alarms, or automatic shutdowns. This feedback mechanism enables early detection of problems while allowing the system to maintain productive operation until intervention is necessary, thus balancing reliability monitoring with productivity preservation.
3Reliability
If no monitoring system is implemented, then device complexity is reduced, but reliability deteriorates due to lack of operating state information
Solution Approach 1:
The control unit in the patent serves multiple functions: it controls the pumping device's operation, monitors operating parameters via integrated sensors, performs self-diagnostics by comparing measured values against stored reference data, and generates warnings or alarms. By consolidating control, monitoring, and diagnostic functions into a single multi-functional unit, the patent improves reliability through comprehensive monitoring while minimizing the increase in device complexity. The same hardware infrastructure supports both operation and diagnostics without requiring entirely separate systems.
Data Source
AI summary
A method and system for testing a pumping device (9) with a control unit (91) in a gas-measuring system (1). The pumping device (9) is tested with the control unit (91), which is configured to test readiness of the pumping device (9) to operate. An initialization data set and an operating data set are used for the testing. An indicator of readiness of the pumping device (9) to operate is determined based on this.