Shenhai bugbamu-Imudaniloju
Awọn oriṣi oriṣiriṣi ti ohun elo itanna-ẹri bugbamu ṣe pataki awọn iṣedede aabo casing ọtọtọ. Awọn ajohunše wọnyi, mọ bi Idaabobo onipò, denote the casing’s capability to block external objects from penetrating its interior and to provide resistance against water ingress. Ni ibamu si awọn “Awọn iwọn ti Idaabobo Ti a pese nipasẹ Awọn iṣipopada (IP koodu)” (GB4208), a casing’s protection grade is denoted by the IP code. This code comprises the initials IP (International Protection), followed by two numerals and sometimes optional additional letters (which are occasionally omitted).
| Nọmba | Ibi aabo | Ṣe alaye |
|---|---|---|
| 0 | Ti ko ni aabo | Ko si aabo pataki lodi si omi tabi ọrinrin |
| 1 | Ṣe idiwọ awọn isun omi lati wọ inu | Ni inaro ja bo omi droplets (gẹgẹ bi awọn condensate) kii yoo fa ibajẹ si awọn ohun elo itanna |
| 2 | Nigbati o ba tẹ ni 15 awọn iwọn, Awọn isun omi tun le ni idaabobo lati wọ inu | Nigbati ohun elo naa ba tẹ ni inaro si 15 awọn iwọn, omi ṣiṣan kii yoo fa ibajẹ si ohun elo naa |
| 3 | Ṣe idiwọ omi ti a fi omi ṣan silẹ lati wọ inu | Ṣe idiwọ ojo tabi ibajẹ si awọn ohun elo itanna ti o fa nipasẹ omi ti a sokiri ni awọn itọnisọna pẹlu igun inaro ti o kere ju 60 awọn iwọn |
| 4 | Ṣe idilọwọ omi fifọ lati wọle | Dena omi itọjade lati gbogbo awọn itọnisọna lati titẹ awọn ohun elo itanna ati ki o fa ibajẹ |
| 5 | Ṣe idiwọ omi ti a fi omi ṣan silẹ lati wọ inu | Dena fifa omi titẹ kekere ti o duro fun o kere ju 3 iseju |
| 6 | Ṣe idiwọ awọn igbi nla lati rirọ sinu | Ṣe idiwọ fifa omi pupọ ti o duro fun o kere ju 3 iseju |
| 7 | Dena immersion omi nigba immersion | Dena awọn ipa rirẹ fun 30 iṣẹju ninu omi soke si 1 mita jin |
| 8 | Dena immersion omi nigba rì | Ṣe idilọwọ awọn ipa jijẹ lemọlemọfún ninu omi pẹlu ijinle ti o pọ ju 1 mita. Awọn ipo deede jẹ pato nipasẹ olupese fun ẹrọ kọọkan. |
The first numeral indicates the degree of protection against solid objects, while the second numeral represents the water resistance level. Protection against solid objects ranges across 6 awọn ipele: ipele 0 signifies no protection, and level 6 indicates complete dust-tightness, with protection increasing progressively from 0 si 6. Bakanna, water protection spans 8 awọn ipele: ipele 0 denotes no protection, and level 8 indicates suitability for prolonged submersion, with protection increasing progressively from 0 si 8.