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How a vending machine works - short

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A brief presentation about a specific vending machine. More elaborate information can be found on my blog:
http://platteauthijstde.blogspot.com/

Veröffentlicht in: Technologie, Business
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How a vending machine works - short

  1. 1. Vending machine<br />For dummies<br />Thijs Platteau3IOTechnological Design<br />
  2. 2. Vending Machine<br />- History<br />- MEI EC 6000<br /><ul><li>Dispensing coils
  3. 3. Cooling system
  4. 4. Vandalism</li></ul>Sielaff Sü 2020<br />
  5. 5. History<br /><ul><li>AD 10-70: Hero of Alexandria, holy water
  6. 6. 1880: London, post-cards
  7. 7. 1897: extra incentives -> slots
  8. 8. 2010: </li></ul> - news papers, cigarettes, candy, food, drinks, condoms, zoomshops...- cash, credit card payment<br /> - 30911 patents<br />
  9. 9. MEI EC<br />6000<br />- MDB interface (1995)<br /><ul><li>Almost always returns (4 change tubes)
  10. 10. Alloy, diameter, weight
  11. 11. Maintenance</li></ul>371mm<br />80mm<br />138mm<br />
  12. 12. Printboard<br /><ul><li>Heart of the vending machine
  13. 13. Data transport</li></ul> - coin recognition- motor drive- temperature<br />
  14. 14. Dispensingcoils<br />- Different types: lead, diameter<br /><ul><li>360° turn: 1 product
  15. 15. 1 motor per (set of)coil(s)
  16. 16. No friction: negligible power
  17. 17. Stainless steel</li></li></ul><li>Coolingsystem<br />Danfoss 4550<br />
  18. 18. Coolingsystem<br />- ±15°C (zones)<br />- Air circulation, insulation PU<br /><ul><li>Compressor, expansion valve, refrigerant, exchanging pipes</li></li></ul><li>Coolingsystem<br />1. Compression of Freon: high-pressure hot gas2. Condensation into liquid, dissipation of heat3. Expansion valve controls amount of freon to evaporate into low-pressure cold gas4. Warmth absorption, back to compressor<br />ventilation<br />circulation<br />
  19. 19. Safety and Vandalism<br /><ul><li> Locking system: 3 point lock + lever</li></ul>- Layered glass: PVB + glass (reduction UV radiation and high frequency sound)<br />
  20. 20. Safety and Vandalism<br /><ul><li> No accces through delivery drawer</li></ul>- Stability: 4 legs M16 <br />
  21. 21. Overview<br /><ul><li>400 kg
  22. 22. H: 1830 W: 990 D: 880
  23. 23. Power: 670 W
  24. 24. Voltage: 230V
  25. 25. Frequency: 50Hz
  26. 26. Current: 16A
  27. 27. Steel and inox</li></li></ul><li>Thanks to:<br />

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