Our aim is to design and develop a Portable Oxygen Concentrator that is a durable alternative to compressed oxygen gas cylinders. That may produce 90-95% oxygen from ambient air by absorbing the nitrogen. Portable units generally are capable of producing 2-10L/min oxygen to supply several life suppo
Design and Development of Portable Oxygen Concentrator
Our aim is to design and develop a Portable Oxygen Concentrator that is a durable alternative to compressed oxygen gas cylinders. That may produce 90-95% oxygen from ambient air by absorbing the nitrogen. Portable units generally are capable of producing 2-10L/min oxygen to supply several life support systems such as ventilators and anesthesia machine. All of these devices are electrically operated, so a power failure will result in a failure of oxygen supply unless a standby generator, or a battery backup and power inverter are available. Otherwise, a cylinder of oxygen can be retained only for emergency use. Our project goal is to make oxygen available in primary healthcare facilities that have challenges with power-supply, extreme climates and a lack of maintenance expertise on site. We also aim to cover couple of sustainable developmental goals.
To indigenously manufacture an oxygen concentrator to deal with the supply and demand crisis of continuous quality oxygen upraised during any pandemic in a cost effective way. Thus ensuring healthy life and promoting well-being for all at all ages. The aim is to create an industry of locally manufactured oxygen concentrators to promote sustainable practices in industry in order to promote sustainable economic growth and productive employment.
We started our project with the collection of literature related to the existing designs of portable oxygen concentrators and reviewed them to find any research gap. We then planned the prototype design of our project dividing them into three parts, hardware assembly, sensory interface and a software based control mechanism. Firstly, the hardware assembly involves the chassis, dust filters, HEPA filter, silica as moisture filter, air compressor, zeolite columns, bacterial filter and humidifier. Secondly, sensors to be interfaced are; pressure sensor, humidity sensor, dust sensor, flowrate sensor and oxygen sensor. Lastly, we will develop a code in Arduino Ide for the operation and control mechanism of our oxygen concentrator. After the implementation we will be testing our prototype to analyze the oxygen purity production and its flowrate per liter per minute.
Documentation of our prototype design will comprises, the technical details about the circuit design, control system, CAD design, Arduino Code, list of components with brief description of the process, its corresponding price in the local currency and quantity needed to be purchased, along with the miscellaneous tools and materials.
Furthermore, a project report along with three copies of our thesis will also be submitted.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| oil free air compressor | Equipment | 1 | 28000 | 28000 |
| pressure sensor | Equipment | 1 | 3500 | 3500 |
| dust sensor | Equipment | 1 | 800 | 800 |
| humidity sensor | Equipment | 1 | 750 | 750 |
| Arduino UNO | Equipment | 1 | 1550 | 1550 |
| I2C module | Equipment | 1 | 200 | 200 |
| LCD 20x4 | Equipment | 1 | 950 | 950 |
| relay module | Equipment | 1 | 180 | 180 |
| connecting wires | Miscellaneous | 40 | 3 | 110 |
| Aluminum chassis | Equipment | 1 | 8000 | 8000 |
| 12V DC 3 port 2 way pneumatic valves | Equipment | 2 | 9100 | 18200 |
| 12V DC Solenoid Valve 1/4 inch 2 Way | Equipment | 1 | 1800 | 1800 |
| pressure gauges (30 psi max) | Equipment | 4 | 550 | 2200 |
| rivets | Miscellaneous | 300 | 2 | 450 |
| castor set | Miscellaneous | 1 | 650 | 650 |
| abrasives | Miscellaneous | 5 | 80 | 400 |
| teflon | Miscellaneous | 5 | 90 | 450 |
| rubber tubing | Miscellaneous | 1 | 1200 | 1200 |
| 1/2 T fitting | Miscellaneous | 2 | 85 | 170 |
| 1/2 union fitting | Miscellaneous | 3 | 100 | 300 |
| drill bits | Miscellaneous | 2 | 105 | 210 |
| 1/2 nuts | Miscellaneous | 8 | 8 | 60 |
| 1/2 bolts | Miscellaneous | 4 | 5 | 20 |
| washers | Miscellaneous | 40 | 1 | 40 |
| 2 1/4 o-clamps | Miscellaneous | 2 | 140 | 280 |
| zeolite | Equipment | 1 | 3400 | 3400 |
| heatsink | Equipment | 1 | 300 | 300 |
| Total in (Rs) | 74170 |
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