Engineering:Rugged smartphone

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Short description: Smartphone type
Rugged smartphone

A rugged smartphone is a specific type of toughened smartphone which is designed to be completely sealed within a durable housing to protect it against damage from water, shock, dust, and vibration.[1][2][3][4] Rugged smartphones are designed to survive extreme weather and temperatures, accidental damage, and rough handling; making them ideal for working outdoors, or in harsh environments, along with use during extreme sports, such as sailing, rock climbing, etc.[1] Most rugged smartphones have been tested to tough IP68 standards.[1]

However, not all waterproof smartphones will be ruggedised.[1]

Classification

There are three general types of rugged phone:

  • Outdoor sports
  • Military
  • Stylish[5]

Functional requirements

The following IP code ratings for ingress protection (IP), as defined by the International Electrotechnical Commission (IEC) standard 60529 (equivalent to European standard EN 60529), are typically used for certifying various toughened and ruggedised smartphones.[6][7][8]

Primary standard

IP56 — Solid particle (dust) protection level 5 (protection from harmful dust) and liquid ingress (waterproof) protection level 6 (protection from high pressure water jets).[7][9]

Intermediate standard

IP57 — Solid particle (dust) protection level 5 (protection from harmful dust) and liquid ingress (waterproof) protection level 7 (protection from full immersion at depths between 15 centimetres (5.9 inches) and 1 metre (3 feet 3 inches)).[7][9]

Advanced (professional) standards

IP67 — Solid particle (dust) protection level 6 (protection from all dust) and liquid ingress (waterproof) protection level 7 (protection from full immersion at depths between 15 centimetres (5.9 inches) and 1 metre (3 feet 3 inches)).[7][9]

IP68 — Solid particle (dust) protection level 6 (protection from all dust) and liquid ingress (waterproof) protection level 8 (protection from full immersion at depths determined by the manufacturer).[7][9]

IP69K — In the IEC 60529 rating system for ingress protection (IP), IP6* refers to the product's ability to resist ingress of dust. The IP*9K refers to the product's ability to resist ingress of high temperature (steam) / high pressure water. If the device passes all these tests, then it can be considered as IP69K rated smartphone, and can be used in harsh environments with high pressure / steam cleaning.[10]

Testing procedure per ISO 20653

  1. A spray nozzle that is fed with 80 degrees Celsius (176 degrees Fahrenheit) water at 80–100 bars (1,160–1,450 pounds per square inch) and a flow rate of 14–16 litres per minute (3.1–3.5 imperial gallons per minute; 3.7–4.2 US gallons per minute).
  2. The nozzle is held 10–15 centimetres (3.9–5.9 inches) from the tested device at angles of 0°, 30°, 60°, and 90°, for 30 seconds each.
  3. The test device places on a turntable that rotates once every 12 seconds.[5]

MIL-STD-810G

MIL-STD-810G[11] is a U.S. military standard that stipulates a level of durability for an item of equipment. Specifically, it means the equipment has been subjected to a series of twenty-nine (29) tests, including shock tests, vibration tests, and more. This means it should be field ready,[weasel words] or even 'combat ready' in principle. A lot of technology sold to the U.S. military must be MIL-STD-810G compliant.[11][12]

List of rugged smartphones

  • Jesy J20[13]
  • Ulefone Power Armor 14 Pro
  • Doogee V Max

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 Athow, Desire (28 June 2019). "Best rugged smartphones of 2019: waterproof, shockproof and IP68 mobiles". TechRadar. https://www.techradar.com/uk/best/best-rugged-smartphones. 
  2. ↑ "Rugged outdoor smartphone market evolving technology and growth outlook 2019 to 2024". Xherald Inc.. 25 July 2019. https://xherald.com/2019/07/25/rugged-outdoor-smartphone-market-evolving-technology-and-growth-outlook-2019-to-2024/. 
  3. ↑ "Account - Těm tręn Google". https://www.google.com.vn/search?q=Account&tbm=isch&hl=vi-vn&chips=q:account,online_chips:google+account:mFonMEC1LF0%3D&bih=2238&biw=1121&client=safari&sa=X&ved=2ahUKEwjsyvO4o-77AhUZA6YKHXhIDC8Q4lYoBXoECAEQLw. Retrieved 2023-02-02. 
  4. ↑ "Rugged smartphone market share, growth rate, manufacturers: Aimojie, mfox, Uphine". The Market Journal. 15 August 2019. https://www.marketjournal.co.uk/rugged-smartphone-market-share-growth-rate-manufacturers-aimojie-mfox-uphine/2136/. 
  5. ↑ 5.0 5.1 Cite error: Invalid <ref> tag; no text was provided for refs named TechAdvisor
  6. ↑ Chia, Osmond (12 May 2019). "Understanding IP rating for smartphones – what do the numbers mean". SlashGear. https://www.slashgear.com/understanding-ip-rating-for-smartphones-what-do-the-numbers-mean-12576340/. 
  7. ↑ 7.0 7.1 7.2 7.3 7.4 "IP ratings explained". West Molesey, Surrey: The Enclosure Company. https://www.EnclosureCompany.com/ip-ratings-explained.php. 
  8. ↑ "IP rating chart". DSM&T Co. Inc.. http://www.DSMT.com/resources/ip-rating-chart/. 
  9. ↑ 9.0 9.1 9.2 9.3 "IP enclosure ratings & standards explained". Rainford Solutions Ltd. https://RainfordSolutions.com/products/ingress-protection-ip-rated-enclosures/ip-enclosure-ratings-standards-explained/#section-3. 
  10. ↑ Parker, Max (29 March 2017). "IP67 vs IP68: waterproof IP ratings explained". Trusted Reviews. https://www.trustedreviews.com/opinion/what-is-ip68-ip-ratings-explained-2947135. 
  11. ↑ 11.0 11.1 "MIL-STD-810G - test method standard - environmental engineering considerations and laboratory tests". United States Department of Defense. 31 October 2008. https://www.atec.army.mil/publications/Mil-Std-810G/Mil-Std-810G.pdf. 
  12. ↑ Sinicki, Adam (14 August 2019). "What does MIL-STD-810G mean? Combat ready phones, explained.". Android Authority. https://www.androidauthority.com/mil-std-810g-rating-1017646/. 
  13. ↑ "Jesy J20 ruggedized phone review". 2 March 2022. https://www.techradar.com/reviews/jesy-j20-ruggedized-phone. 



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