Y NGHIA TIEU CHUAN IP.pdf

7/22/2019 Y NGHIA TIEU CHUAN IP.pdf

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Cctiuchun(Phn1 )- nghacakhiuIPVitttcatIngress Protection Rating( ikhi cngchiul

International Protection Rating), thngsnycho ta thykhnngchngthmnhpcavtthrnhay chtlngvobntrong thitb.Khiu lIPX1X2, ikhi ta cngthyIP A0X1X2B0X1 v X2lnhngsthpphn.

A0vB0lnhngchcilatinChsthnht(X1) cho tabitkhnngchungcathitbivinhngtngtcvtl(bngccbphncac thhocbngmtdngcno),ngthicho tabitthitbckhnngngnchnnhngvtthrnckchthcnhxmnhpvobntrongthitb.Do chsnyidinkhnngchungcathitbviccvtthrn( va pvthmnhp).Cpbov( smy)

Kchthccavtthrn,loitngtcvtl

Chs

0 (Khngbov)

1

>50 mm, nhngtngtcbngccbphncth( cbmtlnnhmubntay, lngbntay)

2>12.5 mm, tngtcvinhngbphnnhcacth(nhngntay, cich)

3

>2.5 mm, va pvinhngdngcbngkim loihoccng nhkm,ly, chn,mung,bt

4>1 mm, nhngtngtcbngccloidykm,dythp,tuc-n-vit

5

Bovkhisxmnhpcanhngvtnhnhhtbi( khnghontonnhngcng

lnti7080%); chungmiva pvtlbngmidngc

6

Ngnchnhontonsxmnhpcanhngvtnhnhhtbi100%; chungmiva pvtlbngmidngc

Chsthhai (X2) thhinkhnngchngthmnccathitbCpbov( smy)

Bovcchthmnhpcanc

Qutrnhkimtra

Chs 0 Khngbov -- --
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1 Boviviccgitnctheo chiuthngng

Thigian: 10phtLngnc:1mm/pht

2 Boviviccgit

nctheo chiunghing15oso viphngthngng

Thigian: 10pht

Lngnc:3mm/pht

3 Bovivicctianctheo chiunghing60oso viphngthngng.

Thigian: 5phtLngnc:0.7lit/phtpsutncbnra: 80-100kPa

4 Bovivicctia

nctheo mihng

Thigian: 5pht

Lngnc:10lit/phtpsutncbnra: 80-100kPa

5 Boviviccviphun nctheo mihng

Thigian: trn3phtLngnc:12.5lit/phtpsutncbn

ra: 30 kPa ( khongcch xa 3m)6 Boviviccvi

phun ncmnhtheomihng

Thigian: trn3phtLngnc:100lit/phtpsutncbnra: 100kPa ( khongcchxa 3m)

7 Bovivivicngmtmthitrongnc.

Thigian: 30phtNgmsutrongnc1m

8 Bovivivicngmlintctrongnc.

Thigian : ngmlintcVisuty.

ikhi ta sthycthmnhngchcilatinChci ngha

W Bovchngsthay icathitit( ma,gi,nhit)


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S Mytrong tnhtrngkhnghotngM Mytrong tnhtrnghotng

Vd:

Cctiuchun(Phn2) - Vngsdng( Zone classification )Trong kthutchngchynmitrngcphnbitthnhhaidng:mitrngkh( khiuG) vmitrngbi( khiulD).Mtkhc,davomtvthigian tnticahai yutny( khvbi) chia mitrngchynthnhccZone.DiylbngkhiuvcimcaccZone:

KhiucimmitrngMitrng

kh(G)Mitrng

bi(D)

Zone 0

(Category

1G)

Zone 20

(Category

1D)

Vngmyutgychyhindinthngxuyn,lintchoctrong 1 khongthi

gian di,thngthngtrn1000 gi/nm.

Zone 1

(Category

2G)

Zone 21

(Category

2D)

Vngmyutgychyhindintrongiukinvnhnhbnhthngcathitb,thngthngtrong khong10 gin1000

gi/nm.

Zone 2

(Category3G)

Zone 22

(Category3D)

Vngmyutgychykhnghindintrong iukinvnhnhbnh thngcathitb,vnuxyra chythchtnti

trong khongthigian ngn,thngthng

thn10 gi/nm.
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Gitrchstrong Zone (Category) cngnhthmitrngcnguycchyncngcao. VttnhinthitbsdngcZone(Category) nhthmboxittZone (Category) lnhn.Vynumitrngchackh( cyutG) ngthicngchacbi( cyutD) thsao? Khi ta davoyutno timtngkhnnggychyncao hnxcnhmitrnglG hay D.Tuchung lithsphnchia nyxcnhxem yutgychylg,txcnhloithitb(Equipment group)vkiubov(Types of protection).Cctiuchun(Phn3) - Phnloithitbin/int( Equipmentgroup) davonisdng

1. Phn loi thitbin/in t (Equipment group) davoni sdngC2 loinisdng:

Khiu Nisdng

I

Nikhai thcm,btk l trnmtt, trong lngthay ngoiidng (nh mdu,m than).Nhngnimkhnngchynlrtln.

II

Nhng ni khngphi l khai thc m (nh cy xng,

nh my sn xut, cng trng v c gin khoan dukh).Nhngnitxyra chynhn.

2. Kiubov:

Cckhiutrong mitrngG (Gas):* Ex d(Bovchngla)

Ccphntphtsinh tia lacchatrong 1 hpckhnngkhngcho tia lanyphtsinh ra ngoihpcho dcsnxyrabntrong hp.

* Ex p(Bovtheo kiutopsuttrong hp)psutdngtnhcduy trtrong hpngnchnsthmnhpcakhgychyvobntrong hp.Yutcnthitcaphngphpnylhthngtheo dilintcbomstincycachngvxkhmikhi mhpbotr.

+ px: sdngtrongphmvi Zone 1 nkhu vcbnhthng(non-incendive)

+ py: sdngtrong Zone 1 vZone 2+ pz: sdngtrongphmvi Zone 2 vkhu vcbnhthng
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(non - incendive)* Ex q(Bovtheo kiulpy1 hpchtvohp)

Kthutnyihiccphntphtsinh tia lattrong 1 hpchaybihtthchanh hocthytinh.Nhnghtnysbtknhplmhinnggilikhngthatcra ngai.Phngphpnycphttrinbovbpin cngsutlnvthng csdngtrong ccthitbccpbovEx e.

* Ex o(Bovngmtrong du)ylkthutcsdngcho ccthitbcngmtrongdu.Dungvai trchtxctc.

* Ex e(Bovgia tngan ton)Ccthnhphntrongphngphpnycthitklmgimsphtsinh ra tia lavgimshnghccthphtsinhra tia la.Phngphpnycthchinbngcchgimnhitcathitb,mbotipxcintt,gia tngcchinvgimkhnngthmnhpcabivhim.

* Ex i(Bovan tontbntrong)Ccthngsmchinciukhingimnnglngphtsinh tia ladimccthtchyhnhpnhinliu.

+ ia: mbothitbkhnggyra chynkhi csccamthochai thnhphnlixyra. PhhpsdngtrongZone0.

+ ib: mbothitbkhnggyra chynkhi cscca

mtthnhphnlixyra. csdngtrongZone 1 hocZone2.

+ ic: sdngduy nhttrongZone 2. mbotrong iukinhotngbnh thngkhnggychyn.Lu:phngphpnykhngbovhontoniviktnihocvtdninhotngqunhit

* Ex n(Bovphtsinh tia la)Trongphngphpny,ccimniphimbotin cytuy nhinkhngyucucao nhEx e. nhngnibmtbntrong nnghncpnhityucuthchngcncbaobcchtchngnchnsthmnhpcakhgychy.ylkthutngnsthothi.KhinimKhngnhlacngyucucpbovthmnhpIP65 hoccao hncthitk.CccloiEx n nhsau:

+ nA:bovtheo kiuthitbkhngphtsinh tia la+ nR:bovngnsthothirabnngoi.+ nC:bovtheo kiuthitbckhnngtora tia lanhng

tipimphtsinh tia lacbaobcknkhngthottialara ngoi.+ nL:bovtheo kiugiihnnnglng.


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+ nZ:bovtheo kiutopsuttrong hp* Ex m(Bovbaobcbntrong)

Nhngthnhphnckhnngtotia lacbaobcbichtdonhntovnhitbmtciukhinthphnyucu.Squnhithocsphhyccthnhphnnyccnhvphngtithiuhanhhngnsbov.

+ ma: sdngtrong Zone 0, Zone 1 vcZone 2+ mb: sdngtrong Zone 1 vZone 2

Cckhiutrong mitrngD (Dust):* tD Xxx IPxx Txx:

* pD xx IPxx Txx:


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* ixD xx Txx

* mD xx Txx


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3. Nhmkh( Explosion group)-NhmI: ttcccloikhdimbao gmcbithan vkhmethane.-NhmII: nhngkhkhctrnmtt.Nhmnycchiathnh3 nhm:nhmIIA (Propane), nhmIIB (Ethylene) vnhmIIC (Hydro vAcetylene).

* Ccthitbdngcho nhmkhIIC cthdngcchoccnhmkhnhIIA, IIB hocIIC.* Ccthitbdngcho nhmkhIIA khngthdngccho ccnhmkhIIB hocIIC.* Ccthitbdngcho nhmkhIIB cthdngcchoccnhmkhIIA hocIIB.

4. Phnlpnhit( Temperatur e class)Ccloikhcngcphnthnhccnhmcnhitchykhcnhau vcgilnhitchycakh.Do ,ccthitbphicnhitbmtthphnnhitchycakhthmicthhotngctrong mitrngcshindincaloikh.Vvykhinimcpnhitcsdngchnhitbmttiamccthitbphtra khi hotngvcchia thnhcccpsau:Cpnhit

Nhitchy

camitrng

Nhitbmtti

acathitbcthlnti

Vdmitrngchaccloikh

T1 >450oC 450oCPropane, Methan,

Ammonia

T2 >300oC 300oCEthylene, Alcohols,

AcetyleneT3 >200oC 200oC Petrol, Sovents

T4 >135 oC 135oCEthyleter,

AcetaldehydeT5 >100 oC 100oC -

T6 >85 oC 85oC Carbon-disulphide

Cctiuchun(Phn4) - Cctiuchun1. Cctiuchun:

AEx: tiuchuncaMEx hocEEx: tiuchuncaCanada/ Chuu
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2. Vdminh havmtchngnhntiuchunATEXtrong inthoiGuardian Telecom:

cccthngshngEquipment Group = II, thitbdngkhu vckhngkhai thcmMitrngkh,Zone 1HptiuchunchngchyncaChuu

Bovkiue,bovgia tngan ton( xem thmmc4)Bovkiuib,bovan tontbntrong ( xem them mc4)

Bovkiumb,bovbaobcbntrong ( xem thmmc4)HotngmitrngnhmkhIIC ( xem thmmc5)Nhitbmttiacathitbkhi hotngl100oC

cccthngshngEquipment Group = II, thitbdngkhu vckhngkhai thcmMitrngbi,Zone 1HptiuchunchngchyncaChuuBovtheo kiutD, chngbixmnhpvobntrong ( xem thm

mc4)Hotngtrong Zone 21CpIP l66 ( xem thmmc1)Nhittiacabmtthitbkhi hotngl100oC

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Y NGHIA TIEU CHUAN IP.pdf