AIRSPRAY 360

작품의 기능

AIRSPRAY 360 aims to explore improvements to hand sanitiser machines, focusing on three key areas, namely, increasing the liquid volume capacity, implementing a 360-degree spray mechanism for comprehensive hand coverage

영감의 원천

The problem came about from the team members personal experiences at medical institutions during covid period where they visited friends and families in hospital wards and clinics and could not find a sanitising dispenser with sanitising liquid due to overuse by the staff and other visitors. Furthermore, other visitors were seen inserting their hand underneath the dispenser multiple times to trick the machine into dispensing extra liquid on top of the optimised amount. People visiting medical institutions such as hospitals and clinics can not find enough sanitizing liquid to sanitise their hands as the bottles are empty due to overuse.

작동원리

The AIRSPRAY 360 system combines mechanical and electrical components to provide an automatic, efficient, and portable hand sanitizing solution. When a user inserts their hand into the device, the IR sensor detects the presence of the hand and sends a signal to the Arduino board. The board then activates a timer, which triggers the relay for 3 seconds, powering the motor pump to dispense sanitizer through the atomizer nozzle. This atomizes the liquid into a fine mist, ensuring even coverage of the hands, while a UV light turns on to indicate the sanitizer is being dispensed. After 3 seconds, the dispensing stops and the UV light turns off. If the sanitizer runs out, the servo motor closes the device’s door, preventing further use and signaling to the user that the device is not operational. The system is powered by a portable power bank, making it easy to move and use in various locations without the need for a power outlet

개발 과정

Concept generation for a 360° hand sanitising machine requires brainstorming and developing various concepts to effectively and efficiently sanitise hands from all angles. Prototyping of AIRSPRAY 360 involves designing a functional model with a sanitizing delivery system. The following figures show the various iterations of prototypes the team developed throughout the course of the project. AIMS testing uses prototype 1 which is made out of cheap disposable materials such as a styrofoam box and plastic spray bottles to test out and further develop the original concept to prove that it improves and addresses the original problems stated in the problem statement. This allows testing to be done with as little cost as possible. This test aims to find the most optimal positioning and number of nozzles that have the best coverage when spraying luminescent fluid on a pair of hands. The fluid consists of water and a UV slush and when sprayed on the hand, is illuminated by a UV light in a dark room to visualise the spray pattern and coverage of the hands before and after the spray and wiping of hands. The following table shows the various arrangements the team tested in this test.

독창성

Market research for AIRSPRAY 360 reveals a strong and growing demand for innovative disinfection solutions driven by heightened hygiene standards across multiple sectors. Industries such as healthcare and hospitality are increasingly investing in advanced sanitizing technologies to ensure safer environments for staff and patrons Indirect Competitors are products that include traditional cleaning methods and equipment such as manual spray bottles and basic pump sprayers. While these tools are widely used due to their low cost and accessibility, they often lack the efficiency, coverage, and sanitation effectiveness that modern disinfection technologies offer. Direct Competitors are other electrostatic sprayers and advanced disinfection devices that offer similar features, such as cordless operation, backpack designs, and efficient, wide-area sanitizing capabilities.

향후 계획

1. Interchangeable Nozzles and Tubing. This feature will make it much simpler for maintenance crews to clean, replace, or upgrade the parts, minimizing downtime and increasing the longevity of the system. 2. Quieter Pump and Delivery System. The current system can produce vibrations and noise from the motors and nozzles during operation. By optimizing the pump design this will contribute to a smoother, more pleasant user experience. 3. Better Product Finish. By outsourcing part manufacturing to third-party companies specializing in high-quality finishes

수상 내역