Bung nhit

Ti liu k thut v s phm

1

mc lc Trang

1 Gii thiu 1.1 Gii thiu v thit b

1.2 Gii thiu v mt s phm

2

3

4

2 Cc phn t i km thit b 2.1 Cc phn t i km

2.2 Ti liu

2.3 Phn t khng i km

5

6

7

7

3 iu kin s dng 3.1 Lu

3.2 K hiu s dng

3.3 Mi trng

8

9

10

11

4 a vo hot ng 4.1 Lp t

4.2 Ngun cung cp

4.3 Kt ni

4.4 Thng gi

4.5 M t

4.6 Vn hnh v s dng

4.7 Bo qun

12

13

13

13

14

15

20

27

5 c tnh k thut 5.1 c tnh in

5.2 c tnh c

28

29

29

6 Thc hnh 6.1 Gii thiu v chnh nh

6.2 nh gi hiu nng

6.3 iu chnh nhit

30

31

43

48

7 Ti liu c kh 86 7

8 Ti liu in 94

9 c tnh k thut cc b phn 121

10 Bo dng 10.1 Bo dng

10.2 Sa cha

10.3 Lin h

212

213

213

213

2

Chng

Gii thiu

3

1.1. Gii thiu v thit b

Thit b ging dy bung nhit bao gm hai phn ring bit: phn tc ng v phn iu

khin.

Phn tc ng m phng mt l cng nghip c ngun t iu chnh c (m phng bi

mt bng n nng sng), mt l t c th iu chnh c lu lng kh v mt bung

hoc l u ra kh c th iu chnh bng tay.

- gia ngun t v bung c mt b a kim loi c c l cho php thay i cc c

tnh nhit ca h thng bng s lng v cch xp chng cc a kim loi.

- H thng nhit c t trong hai ng trong sut m bo cch nhit v quan st khi

iu chnh.

Phn iu khin gm mt automt kh trnh, loi TSX Micro c trang b cc card vo/ra

logic v cc ph kin tng t u cui Magelis; tt c c lp t v c ni vi nhau

trong mt hp kim loi.

- Lin lc gia phn tc ng v phn iu khin thit lp bi mt cp ni kim loi (ngun

24V mt chiu, ch T ng/Thao tc, vv)

- Lin h tng t c m nhim bi 5 dy ni loi BNC.

4

1.2. Gii thiu v mt s phm

1. Mc ch s phm

- Nghin cu v hin th cc hin tng lin quan n iu chnh cc qu trnh cng nghip.

- o lng v theo di nhit .

- Thay i ng c tnh nhit.

- Tnh ton chnh nh.

2. B mn

CAP BEP BAC PRO STI BTS DUT

H thng in

T ng ho tin hc cng nghip

5

Chng

Cc phn t i km thit b

6

2.1. cc phn t i km thit b

Danh sch cc phn t cung cp i km thit b MD1AE727:

- Phn tc ng L nhit

- T iu khin TSX Micro - Magelis

- Dy ni ngun 230V 50Hz

- Nm dy ng trc

- Dy ni automt vi my vi tnh : TSXPCX1031

Dy ni ngun Dy ng trc

K hiu MD1AE726 MD1AE726 MD1AE726

Phn iu khin

Phn tc ng

Thit b hon chnh

7

2.2. ti liu

Gio trnh k thut MD1AD721.

2.3. phn t khng i km

- Cc thit b o (vn nng k, dao ng k, que o, dy ni, vv)

- Ngn ng lp trnh Magelis XBTL 1000.

- Dy ni Magelis vi my tnh: XBTZ915.

- Chng trnh phn mm cho TSX Micro : TLXCD3PL7MP43M

- Chng trnh phn mm cho TSX Pro: TLXCD3PL7PP43M

- Cc phn t khc khng c lit k trong mc Dng c i km thit b.

Ch : Khc vi chng trnh phn mm PL7 Micro, chng trnh phn mm Pro cho php s

dng cc mn hnh khai thc.

8

Chng

iu kin s dng

9

3.1. lu

- Tm hiu thit b thng qua ti liu k thut v tun th theo ng cc qui nh nu.

- Tn trng mt cch nghim ngt cc ghi ch v cc yu cu trong sch hng dn, cng

nh trn thit b.

- Tt c cc thao tc phi tun th cc yu cu v an ton khi vn hnh h thng in c.

- Thit b TSX Micro c chng nhn, c thit k v thc hin theo cc chun v

nguyn l an ton v ngi v ti sn.

Tuy nhin, v thit b c cung cp bi ngun mt pha 230V, nn khi thao tc i hi

phi ch trnh nguy c xy ra tai nn khi thit b c in.

- Vic s dng thit b TSX trn gi vi cc mc ch khc s b cm.

- Cc thao tc thc hnh phi c lm di s gim st ca ngi hng dn hoc ngi c

chuyn mn c o to thao tc thit b khi c in.

- Thit b TSX Micro c th c s dng ng thi, ti a bi 2 hc vin.

- Thit b ging dy ny m phng mt h thng cng nghip v mc d n c lm ging

nh thit b tht nhng n khng phi l mt ci my m l mt thit b th nghim.

V thit b ny c thit k theo chun EN-61010 (quy tc v an ton cho cc thit b o

in, v iu chnh v v th nghim), nn trong trng hp ny khng bt buc phi nh

du cc u dy ca cp, cc bi thc hnh khng c trong s in.

10

3.2. k hiu s dng

Dng xoay chiu

Dng mt chiu

u ni t

Chy

Dng

Ch (xem trong ti liu km theo)

11

3.3. mi trng

- Nhit : S dng : -50C < t < 400C

Th cch in : - 250C < t < 550C

- m : S dng : m tng i < 50% vi t = 400C

Th cch in : m tng i < 900C vi t = 200C

- cao : di 2000m (6600 feet).

- nhim mi trng :

Thit b bung nhit c thit k c th s dng trong cc iu kin khng c nhim

mi trng, ch dng trong mi trng kh, khng dn in.

Bo v thit b khi bi, kh n mn v trnh b dy cht lng.

- Ting n: di 70 dBA.

- chiu sng: tt hn nn s dng thit b vi ri:

250 lux vi cng vic chung

500 lux vi cng vic trung bnh

750 lux vi cng vic tinh t

12

Chng

a vo hot ng

13

4.1. Lp t

- Sau khi nhn thit b bung nhit v phi kim tra s lng, k hiu cc thit b, nh danh

sch chi tit nhm thit b.

- Lp t: thit b bung nhit c khuyn co c th s dng trn mt bn c nh, cao

khong 70 80 cm. kim tra gi t thit b (trng lng ca thit b: xem chng 5

Cc c tnh k thut).

Hai tay cm c t hai pha ca t iu khin gip cho vic di chuyn t d dng hn.

V phn thao tc khuyn co nn tay pha di mi cnh.

Cc thao tc phi c thc hin v tr ngi.

4.2. ngun cung cp

- Ngun cung cp cho thit b phi c nhng c tnh sau :

in p : 230V mt pha 10%

Tn s : 50 Hz 5%

Dng in : 10A

Loi bo v : II

- Ngoi ra, li in phi c thit b DDR (B vi sai), nhy 30mA, loi AC.

4.3. Kt ni

- Dy ni ngun 3P + T ch c th cm vo in c trang b dy bo v.

- Vic a in vo thit b phi tun th theo ng cc chun quc gia v lp t NFC 15-

100.

- Ni t: dy bo v t phn tc ng c ni t c nh. Yu cu phi s dng dy

ngun v n c trang b dy bo v.

14

4.4. Thng gi

- thng gi ti u, phn tc ng c trang b li thng gi. V vy, khng c lm tc

hay bt kn cc khe thng gi.

- Cn ch khng c a cc vt, c bit l cc vt kim loi vo khe thng gi. V nh

vy s to ra dng ngn mch, rt nguy him cho ngi v my mc.

- Li bo v n

i vi mt vi thao tc thc hnh, cn phi nng li bo v n nhm ci thin qu trnh

iu chnh.

Thao tc ny phi c thc hin bi mt ngi c chuyn mn, nm vng cc ch cn

thit trnh khng xy ra tai nn, v d: bng.

Yu cu phi tho li trc khi a phn tc ng vo lm vic, ngha l khi n c nhit

bng nhit xung quanh.

- Khi kt thc thao tc, nht thit phi t li bo v vo v tr c v c nh bng vt (vt

CHC u trn), nhm trnh khng xy ra tai nn.

15

4.5. m t

1. Phn tc ng

Phn tc ng bao gm mt c cu v mt hp

bng nhm vi cc ccte bo v bng

Lamicolor.

Pha trn ccte bo v c mt cm ngun v

mt cng tc Marche/Arrt vi mt n bo

mu bo c in v mt cu ch bo v.

- Pha bn tri cm c mt nhn ghi cc c tnh

in cng nh cc c tnh ca cu ch (xem,

chng 5.1 c tnh in).

- Pha bn tri nhn c mt zc cm 12 l kt

ni gia phn tc ng v phn iu khin.

Trn hp:

- Hai chuyn mch hai v tr c nh, Manuel v

Auto.

- ch Manuel, c th iu khin sng ca

n bng chit p chia (0 10V). ri ca

n tng tuyn tnh vi chia. Trong ch

ny ta cng c th iu khin qut gi bng chit

p chia (0 10V). Tc quay rto tng

tuyn tnh vi chia. Khi thit b ang lm vic

ch Manuel th ch Auto khng hot

ng.

- ch Auto, cc chit p khng tc ng,

vic iu khin n v qut gi ch c thc

hin bng automt kh trnh TSX Micro.

16

Pha trn hp cn c 5 im o in p

di dng cc l cm an ton 4mm :

o nhit bung.

o nhit n.

o nhit khi c qut gi.

o gi tr t ca n.

o gi tr t ca qut gi.

- Cc im o u c ni vi phch cm loi BNC dng ni cc dy vi phn iu

khin (xem chng 2 Cc thit b i km).

- Bn cnh cc im o c mt chuyn mch 5 v tr, c ni vi mt vn k s ch gi tr

o cc phn t v tr chuyn mch.

Trn phn th hai ca hp c mt bung, bn trong c lp :

- Mt n cng sut 100W, in p 230V xoay chiu, c gn km mt que th nhit loi

PT100.

- Pha di n c lp mt qut gi v mt que th nhit loi PT100.

- Pha trn n cng c lp mt que th nhit loi PT100.

17

- Gia bung v n c mt vch ngn gm 3 a nhm c c l, trong c hai a c

gn c nh vi nhau, c th xoay quanh mt trc thay i nhit trong bung.

- Bung nhit c trang b mt khung bng nha trong v mt np y gm hai a bng nha

Polycarbonate khng mu c c l c gn c nh, c th xoay quanh mt trc thay

i nhit trong bung.

- Pha bn trong hp, c lp:

B c in p ca n loi cng nghip.

Mt ngun iu chnh 24V mt chiu, 3A.

Hai b truyn d liu 3 dy, t 0 n 1000C dng cho que th PT100 ca bung nhit v

qut gi.

Mt b truyn d liu 3 dy, t 0 n 5000C dng cho que th PT100 ca n.

Mt mun khuch i tn hiu tng t 0 100V iu khin qut gi.

18

2. Phn iu khin

Phn iu khin c t trong mt hp kim

loi.

Pha bn trong hp c lp mt automt kh trnh

loi TSX Micro c cu hnh:

- Mt mun c s TSX 3721.

- Mt card c 8 u vo tng t 0 10V.

- Mt card c 4 u ra tng t 0 10V.

- Mt card c 12 u vo Digital.

Trn ca t iu khin c lp :

- Mt u cm cui i thoi loi Magelis.

- Mt ca s trong sut bng nha PVC cho php

theo di trng thi ca automt khi t iu

khin ng.

- Mt u cm TER dng kt ni automt vi

my vi tnh m khng cn m t iu khin v

cho php lm vic an ton.

- Mt cp c mt zc cm 12 l, cho php kt ni

t iu khin vi phn tc ng.

19

- Nm u cm loi BNC dng ni cc u

vo/ra tng t vi phn tc ng.

- Pha bn tri cc u cm c mt nhn ghi cc

c tnh in, xem chng 5.1 c tnh in.

- Bn bng cao su t t iu khin ln bn

th nghim.

- Hai tay cm mi bn gip cho vic di chuyn

t iu khin c d dng.

20

4.6. vn hnh v s dng

1. Ch Manuel

ch Manuel khng bt buc phi kt ni vi phn iu khin bi v phn tc ng c

th t hot ng.

- Ni phn tc ng vi li in 230V 50Hz bng dy ni ngun.

- Bt cng tc bn cnh cm ngun sang v tr I, trong trng hp n bo mu trn

cm bt sng.

- Vn k c in v ch mt gi tr.

- t 2 chuyn mch Auto/Manu v tr Manu.

- Cho mt gi tr t trc, v d cho n, nh chit p. Khi ny n sng. Khi chit p nc

10 (nc ln nht), n s sng nht v nu t ng thi chuyn mch nm v tr v tr th

hai t di ln th vn k ch 10V, tng ng vi gi tr t trc .

- xc nh gi tr in p , s dng vn nng k: mu en (-), mu (+).

- i vi qut gi, thc hin cc thao tc tng t. t gi tr t trc ca qut gi n nc

10, nh chit p. Khi ny gi s thi v pha bung. t ng thi chuyn mch nm v tr

v tr u tin t di ln th vn k ch 10V ( chnh l gi tr t trc mun

khuch i). xc nh gi tr in p , s dng vn nng k: mu en (-), mu (+).

21

kim tra s hot ng tt ca cc que th nhit , ta s dng vn k v chuyn mch

la chn:

- Que th ca bung nhit, chuyn mch phi v tr th nht, t trn xung. Khi n sng,

gi tr o c l 2,2V*, tng ng vi mt nhit l 220C. xc nh gi tr in p

ny, s dng vn nng k: mu en (-), mu (+).

- Que th ca n, chuyn mch phi v tr th hai, t trn xung. Khi n sng, gi tr o

c l 2,5V*, tng ng vi mt nhit l 2500C. xc nh gi tr in p ny, s

dng vn nng k: mu en (-), mu (+).

- Que th ca qut gi, chuyn mch phi v tr th ba, t trn xung. Khi n sng, gi tr

o c l 2,2V*, tng ng vi mt nhit l 220C v gi tr nhit ny s thay i khi

s dng qut gi. xc nh gi tr in p ny, s dng vn nng k: mu en (-), mu

(+).

trng hp khng hot ng, kim tra ngun iu chnh 24V mt chiu xem cc n

LED mu vng (li in) v mu xanh (ngun 24V mt chiu) c sng khng? Nu

khng phi kim tra cu ch ca cm.

* Cc gi tr ny l v d v bin thin theo thi gian.

22

Ngi ta cng c th tm c cc gi tr nhit

u cui Magelis ca phn iu khin. lm vic

ny cn:

- Ngng hot ng phn tc ng bng cch t

cng tc v tr O (n tt).

- Ni phch cm k hiu X2 ca phn iu khin vo

pha di phn tc ng.

- Cm nm dy ng trc theo th t sau y:

Que th ca bung nhit (u tin pha trn, trn

phn tc ng) vo u vo tng t k hiu 0 trn

t iu khin.

Que th ca n (th hai t trn xung, trn phn

tc ng) vo u vo tng t k hiu 1 trn t

iu khin.

Que th ca qut gi (th ba t trn xung, trn

phn tc ng) vo u vo tng t k hiu 2 trn

t iu khin.

iu khin qut gi (th t t trn xung, trn phn

tc ng) vo u ratng t k hiu 0 trn t iu

khin.

Que th ca n (di cng, trn phn tc ng)

vo u ra tng t k hiu 1 trn t iu khin.

- Bt cng tc ngun sang v tr I.

-

23

- Thng bo cui :

bit cc gi tr nhit o c bng que th nhit , n vo nt (-1 ).

Ch : Khi cc n LED mu ca u cui Magelis u sng th cc nt n hot ng.

Nhit bung nhit: 22.200C: tng ng vi nhit o c trong bung nhit v gi tr

2,2V ghi trn vn k.

Nhit n: 250.500C: tng ng vi nhit o c trn n v gi tr 2,5V ghi trn

vn k.

Nhit xung quanh: 22.200C: tng ng vi nhit o c khi c qut gi v gi tr

2,2V ghi trn vn k.

24

Thay i mt trng (gi tr s hoc ch Marche)

- n vo nt MOD. Mt trong cc trng c th thay i s nhp nhy.

Nu l trng cn thay i hoc trng s th nhp mt gi tr s.

Nu l trng kiu k t, c th chuyn ni dung bng cc nt (-1 ) v (+1 ).

Kt thc thao tc thay i bng ENTER.

- Nu trng ang nhp nhy khng phi thay i, n tip mt ln na ln nt MOD. Khi

trng th hai s nhp nhy v cc th tc tip theo tng t nh thao tc trn.

25

2. Ch AUTO

t hai chuyn mch Auto/Manu v tr Auto.

Thng bo cui:

n vo nt (-1 ) , h thng s a ra hai kh nng s dng:

chn mt trong hai ch hot ng, u tin n nt gia MOD, sau chn ch

cn s dng bng cc nt (-1 ) v (+1 ), cui cng kt thc thao tc thay i bng

nt ENTER.

26

- ch Auto ch c b iu chnh hot ng v n nh u ra bng chc nng thut

ton.

- ch Manu, b thao tc s n nh u ra ca b iu chnh nh trng Sortie

manu.

Ch ny rt tin dng cho vic to nn mt bc nhy khi p ng. Khi mt p ng

Heaviside (xem phn thc hnh nh gi cc tnh nng, chng 6.2).

Ban u, chn ch Auto, sau n nt (-1 ) truy cp vo cc thng bo sau:

Thng bo trn gm hai trng c th thay i, lm c vic ny n vo nt MOD,

thay i gi tr nh cc nt s, sau kt thc bng nt ENTER.

Gi tr t trc: l gi tr t trn thang o ca n. Gi tr cho php t 15 500C.

Tc gi: l gi tr t ca qut gi t gi tr tc ca roto. Gi tr cho php t 0

100%.

Vic s dng hin th v cc thng s c nu trong phn thc hnh , chng 6.2 nh gi cc

tnh nng.

27

4.7. Bo qun

Vic bo qun s c thc hin bi ngi c chuyn mn.

Thc hin bo qun thit b theo trnh t sau:

1. Gt cng tc Marche/Arrt sang v tr O.

2. Rt phch cm 2P + T 10A ra khi ngun in 230V 50Hz.

3. Rt phch cm k hiu X2 ni phn iu khin v phn tc ng, 5 dy ng trc.

4. Ct phn tc ng, dy ni vo t v kho li.

5. a li cha kho cho ngi hng dn.

Khi ny thit b bung nhit c bo qun.

28

Chng

c tnh k thut

29

5.1. c tnh in

- in p cung cp: 230V xoay chiu (+/-10%)

- Tn s: 50/60Hz (+/-5%)

- Cng sut tiu th: 30VA

- Dng ngn mch quy c : 3kA

- in p th cch in: 2,5kV

- Cp bo v: I

- Loi lp t: II

- Cu ch 1A, kch thc 5x20mm

5.2. c tnh c

Phn tc ng

- Khong cch : Chiu cao : 400mm

Chiu rng: 330mm

Chiu su : 640mm

- Trng lng : khong 15kg

Phn iu khin

- Khong cch : Chiu cao : 510mm

Chiu rng: 450mm

Chiu su : 230mm

- Trng lng : khong 15kg