ArticleSensors (Basel, Switzerland)2017
The Combination of Micro Diaphragm Pumps and Flow Sensors for Single Stroke Based Liquid Flow Control.
Article in Sensors (Basel, Switzerland), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 27 citations in OpenAlex.
- A Dual-Inlet Pump with a Simple Valves System.Micromachines · 2023Article
- An Open-Hardware Insemination Device for Small-Bodied Live-Bearing Fishes to Support Development and Use of Germplasm Repositories.Animals : an open access journal from MDPI · 2022Article
- Miniaturized soft centrifugal pumps with magnetic levitation for fluid handling.Science advances · 2021Article
- A Theoretical and Experimental Study of a Piezoelectric Pump with Two Elastic Chambers.Sensors (Basel, Switzerland) · 2020Article
- Research on Inlet and Outlet Structure Optimization to Improve the Performance of Piezoelectric Pump.Micromachines · 2020Article
- A Novel PZT Pump with Built-in Compliant Structures.Sensors (Basel, Switzerland) · 2019Article
- A Piezoelectric Resonance Pump Based on a Flexible Support.Micromachines · 2019Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
With the combination of micropumps and flow sensors, highly accurate and secure closed-loop controlled micro dosing systems for liquids are possible. Implementing a single stroke based control mode with piezoelectrically driven micro diaphragm pumps can provide a solution for dosing of volumes down to nanoliters or variable average flow rates in the range of nL/min to μL/min. However, sensor technologies feature a yet undetermined accuracy for measuring highly pulsatile micropump flow. Two miniaturizable in-line sensor types providing electrical readout-differential pressure based flow sensors and thermal calorimetric flow sensors-are evaluated for their suitability of combining them with mircopumps. Single stroke based calibration of the sensors was carried out with a new method, comparing displacement volumes and sensor flow volumes. Limitations of accuracy and performance for single stroke based flow control are described. Results showed that besides particle robustness of sensors, controlling resistive and capacitive damping are key aspects for setting up reproducible and reliable liquid dosing systems. Depending on the required average flow or defined volume, dosing systems with an accuracy of better than 5% for the differential pressure based sensor and better than 6.5% for the thermal calorimeter were achieved.
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Registered trials
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