Tiu chun Nh nc

Tiu chun Nh nc

bin bo an ton v in TCVN 2572 - 78

( C hiu lc t ngy 1-1-1980 )

Tiu chun ny p dng cho cc bin bo c ch v du hiu c in p , t trn cc dng c , my, kh c , cc thit b in, vv... bo cho ngi trnh khi nguy him do in gy ra khi vn hnh, lm vic v i qua gn nhng thit b .

1. Phn loi v kch thc

1.1. Cn c vo cc i tng cn bo hiu, bin bo gm :

Bin bo chung - dng nhng ni c nhn vin vn hnh thit b in cng nh ngi n hoc i qua;

Bin bo ring - dng nhng ni ch c nhn vin vn hnh thit b in lm vic.

1.2. Cn c vo thi gian s dng, bin bo gm :

Bin bo c nh - t trong mt thi gian khng qui nh;

Bin bo lu ng - t trong mt thi gian nht nh.

1.3. Cn c vo kch thc ( a x b ) , tnh bng mm, bin bo c phn thnh nhm sau :

a - 360 x 240 e - 145 x 72

b - 240 x 150 g - 105 x 52

c - 240 x 120 h - 72 x 36

d - 210 x 210 i - 52 x 26

k - 36 x 18

1.4. Cn c vo ni dung li trn bin, bin bo c phn theo bng1

. Bng 1

KiuLi trn binChc nngLoiKch thcCh thchHnh v

1234567

1aXCm vo ! in p cao nguy him cht ngiChungC nh306 x 240C du hiu c in p v s ngi1

2aX

2b

2kCm tro ! in p cao nguy him cht ngiChungC nh

Lu ng

Khun360 x 240

240 x 150

360 x 240C du hiu c in p v hnh s ngi2,3

4

5

3aX

3bCm li gn ! C in nguy him cht ngiChungC nh

Lu ng360 x 240

240 x 150C du hiu c in p6

7

4aXDng li ! C in p nguy him cht ngiChungC nh360 x 240C du hiu c in p8

5aXCm s ! C in nguy him cht ngiChungC nh360 x 240C du hiu c in p9

6aXCh ! Pha trn c inChungC nh360 x 240C du hiu c in p10

7bCm ng in ! C ngi ang lm vicRingLu ng240 x 15011

8bCm ng in ! C ngi ang lm vic trn dy dnRingLu ng240 x 15012

9bCm m! C ngi ang lm vicRingLu ng240 x 15013

( Tip theo bng 1 )

1234567

10cCh ! in p ngcRingLu ng240 x 150-14

11c ni tRingLu ng240 x 120-15

12dLm vic ti yRingLu ng240 x 210-16

13dTreo ti yRingLu ng210 x 210-17

14dVo hng nyRing Lu ng210 x 210-18

15cX

15gX

15hX

15iX

15kXChungC nh145 x 72

105 x 52

72 x 36

52 x 26

36 x 18C du hiu c in p19

20

Ch thch : 1. Trong trng hp cn thit, cho php v thm hnh s ngi nhng phi m bo yu cu trong iu

2.6 ca tiu chun ny;

2. Ch v s ct ( ct 1 - k hiu ) biu th 1 n 15 - Phn theo li ghi ct 2 ( bng 1) ;

a,b,c,d,e,g,h,i,k - Phn theo kch thc ;

K - Loi bin c nh;

K - Khun. Khun l loi bin c khot thng tt c cc ch vit , du hiu c in p v

khung ca bin

1.5. Ni dung trnh by v kch thc bin bo c qui nh trong bng 2- 4 v trn hnh v 1 - 20.

Bng 2

mm

KiuHnhabcmefgth1h2h3klDns1s1d

4aX, 2aX

3aX,4aX

5aX1, 2, 6,

8, 936024040350401212 -16035244010-4536

2b, 3b

v 8b4 v 12240150252570101001002520255-4321

7b v 9b11v 13240150701010025202515-4321

12d, 13d

v 14d16,17,1821021055121002471201701034

Cn li Theo hnh v

mm Bng 3

KiuHnh vabcefghd

15eX

15gX

15hX

15lX

15kX16 v 1772

52

36

26

18145

105

72

52

3627

20

15

10

718

13

9

6

55,0

4,5

4,0

3,0

2,55,0

4,5

4,0

3,0

2,5110

80

55

40

253

3

2

2

2

1.6. Bin bo phi c sn mu ph hp vi qui nh trong bng 4

Bng 4

KiuNnChDu hiu c in pHnh s ngiVng trnKhung

1aX, 2aX, 2KTrngen tien- ti

26, 3aX, 3b, 4aX,5aX, 6aXTrngen ti-- ti

7b, 8b v 9bTrngen--- ti

10c v 11cVngen---en

12d,13dv 14dXanh l cyen--TrngTrng

15eXn 15kXTrng- ti hoc en---

1.7. S dng cc bin bo phi ph hp vi nhng qui nh trong cc qui phm an ton lao ng hoc cc ti liu khc c lin quan v an ton lao ng.

1.8. Khi t lm cc bin bo phi ch r kiu, loi theo qui nh trong tiu chun ny.

2. Yu cu k thut

2.1. Bin bo phi ch to theo nhng yu cu ca tiu chun ny v cc ti liu k thut c lin quan khc.

2.2. Bin bo c nh v khun c ch to bng thp tm cht lng thng, c chiu dy khng nh hn hn 0,5 mm.

2.3. Bin bo c nh kiu 15eX n 15kX dng gn trn thit b in, kh c, cc dng c o in c th ch to bng vt liu nh nhm, ng l, thp l hoc bng vt liu khc nhng phi m bo tui th ca n trong iu kin vn hnh ca sn phm, ng thi phi m bo r rng v c r nt ch. C th dng loi c l hoc khng c l. Cho php ch v du hiu c in p trc tip ngay trn sn phm nhng kch thc phi ph hp vi tiu chun TCVN 2049 - 77 theo chiu cao

h qui nh bng 3 ca tiu chun ny.

2.4. Bin bo phi c gn chc bng bu lng, vt, inh tn hoc gn trc tip vo sn phm. Kch thc ca cc l bt bu lng, vt c qui nh trong cc bng v hnh v ca tiu chun ny.

2.5. Bin bo lu ng c php ch to bng kim loi l, cht do hoc bng vt liu khc c chiu dy t 2 - 3 mm. Cc vt liu ny khng b h hng do tc dng ca kh quyn.

2.6. Hnh s ngi phi m bo cc yu cu sau :

Mu ca cc hc mt, mi, rng v ng vin ca s phi l mu en;

on u ca du hiu c in p phi cho xuyn qua hc mt phi, nhng hnh s ngi khng c che khut u mi tn ca du hiu, ng thi phi cha mt on r t ch hc mt phi n ch gp khc c du hiu c in p;

Hnh s ngi phi c kch thc tng ng vi du hiu c in p.

2.7. Phn li ca bin bo phi vit bng ch in thng ng theo tiu chun Ti liu thit k ( TCVN 6 - 74 ).

Hnh dng v kch thc ca du hiu c in p theo

TCVN 2049 - 77.

2.8. Bin bo khng c c nhng vt sn si , cnh sc.

2.9. Bin bo c nh v khun phi sn c hai mt, trc khi sn phi lm sch ht vt bn , vt g.

2.10. Sn phi u m v bn, b mt lp sn phi nhn.

2.11. Bin bo kiu 2aX phi bt chc chn cao t 2,5m n 3m so vi mt t.

2.12. Trn ct b tng cho php dng khun 2k th hin trc tip ni dung ca bin bo v sn mu qui nh trong bng 4.

2.13. Pha trn bin bo loi lu ng phi c hai l theo kch thc qui nh trong bng 2 lun dy treo thch hp.

3. Qui tc nghim thu

3.1. Cc bin bo phi c b phn kim tra k thut bn sn xut kim tra theo yu cu ca tiu chun ny.

3.2. Kim tra kch thc v ch vit ca bin bo bng dng c o c chnh xc n 1 mm. Khi kim tra, ly 10% s Bin bo ca l , nhng khng c t hn 3 chic.

3.3. Kim tra cc iu 2.7, 2.8 v 2.1. bng mt thng . Kim tra tng bin bo ring bit.

4. Bao gi, ghi nhn, bo qun v vn chuyn

4.1. Bin bo phi c bao gi trong hm g hoc hm cc tng, gia cc bin bo phi c lp giy lt. Khi lng ca hm xp bin bo khng qu 20 kg.

4.2. Trn mi hm c ghi nhn, bao gm cc mc sau:

- Tn hoc du hiu qui c ca c s sn xut;

- Kiu bin bo

- Khi lng, kg;

- K hiu v s hiu ca tiu chun.

4.3. Bin bo c bo qun trong phng iu kin bnh thng.

4.4. Bin bo c vn chuyn bng mi phng tin.

Kiu 1aX Hnh 1

Kiu 2aX Hnh 2

Kiu 2aX Hnh3

Kiu 2b Hnh 4

Kiu 2K Hnh 5

Kiu 3aX Hnh 6

Kiu 3b Hnh 7

Kiu 4aX Hnh 8

Kiu 5aX Hnh 9

Kiu 6aX Hnh 10

Kiu 7b Hnh 11

Kiu 8b Hnh 12

Kiu 9b Hnh 13

Kiu 10c Hnh 14

Kiu 11c Hnh 15

Kiu 12d Hnh 16

Kiu 13d Hnh 17

Kiu 14d Hnh 18

Bin bo Bin bo

c l gn c nh khng c l gn c nh

Kiu 15eX n 15kX

Hnh 19 Hnh 20

11