Abstract
In today's era when precise, accurate and timeefficient systems are in great demand, automated techniquessupersede manual practices. As a need of time, we introduce awireless, automated, cost effective, yet reliable and efficientsystem of fluid dispensing. Our prototype system can dispensevarying amounts of fluids in milliliters (maximum 1L) as perdemand of the user. It uses the principle of time based fluiddispensing achieved through the built-in timer property of theAT89C51 microcontroller. To satisfy the principle used andverify the system's accuracy, fluids of varying viscosities weredispensed and monitored. The experimental results of thewireless fluid dispensing system when tested showed linearrelationship between the dispensing time and desired volumes offluids having differing viscosities. The added feature of wirelesscontrol using HM-TRP series transceiver module along with onsitecontrol via a keypad eliminated the need of physical presenceof operator within the range of 10 meters in order to make thesystem operational. This system can be used in pharmaceuticaland beverage industries as well as in different laboratories fordispensing and filling volumes of fluids with varying viscosities.
Highlights
The high throughput and safety demands of today have resulted in an increased need for automotive approaches to substitute earlier manual techniques [1]
Our work presented here is about the design and implementation of a cost effective, reliable and flexible prototype of a wireless automated adjustable fluid dispensing system
The time taken to fill the 400 ml volume of more viscous fluid was 33.4 sec in contrast to 20 sec for slight viscous and 10 sec for less viscous fluids. This shows that there occurs a direct relationship between time taken to dispense a fluid and its viscosity keeping the volume as a constant variable
Summary
The high throughput and safety demands of today have resulted in an increased need for automotive approaches to substitute earlier manual techniques [1]. The quality of the end products strongly relies on the correct and accurate dispensing of needed volumes for the ingredients being mixed each time [2]. In food and beverage companies mixing of exact volumes of syrup with carbonated fluid is important to acquire the proper taste. The demands of pharmaceutical companies are more severe as incorrect concentrations of drugs or injections can lead to life threatening results [3]. To attain this level of perfection, use of automation techniques for fluid measurement and dispensing is a necessity in place of manual methods which are prone to errors
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