2015_CHUONG 2_CAM BIEN TIEM CAN CAM-TU-DUNG.pdf

8/20/2015

1

B CNG THNG

TRNG I HC CNG NGHIP TPHCM

19:19 AM

TS Trn Hu Ton

B Mn T T ng

[email protected]

08-2015

K THUT CM BIN V O LNG

NI DUNG SV CN TM HIU

CHNG 2. CM BIN TIM CN (T-DUNG)

Khi nim cm bin tim cn

Hnh dng cch nhn bit

K hiu cch s dng

ng dng thc t

9:19 AM 2

PHNG PHP THC HIN

SV cn lm r cc ni dung c gi t cc

slide c ngh phng php thc hin mu tm.

SV tm hiu thm ti liu v a vo ni dung

l r cho cc ca bi.

SV cn tm cc datasheet lin quan cc cm

bin m mnh bo co ch dn cch s dng

SV phi tm cc ng dng thc t (video)9:19 AM 3

CM BIN T

Loi in cm

Loi t cm (tc ng bng tip im)

Loi t cm (tc ng bng mch t)

49:19 AM

Gii thiu?

8/20/2015

2

Sensor

PLC

Box Rejecter

qConveyor

Motor

ProductProduct

INPUT

Sensor

CONTROL

PLC

OUTPUT

Conveyor/ Rejecter

ng Dng Sensor Trong H Thng iu Khin T ng

59:19 AM

Cm bin tim cn l g?

Cm bin c s dng u?

PROXIMITY SENSOR

69:19 AM

Cm Bin Tim Cn

c im:

Pht hin vt khng cn tip xc.

Tc p ng cao.

u sensor nh c th lp nhiu ni.

C th s dng trong mi trng khc nghit.

Cm Bin

Cm Bin

Vt Cm BinVt Cm Bin

79:19 AM

Phn tch cc c im sau?Cm Bin Tim Cn

Loi

Cm ng t

Loi

in dung

89:19 AM

Phn loi cm bin tim cn?

8/20/2015

3

1. CM BIN CM NG T

99:19 AM

Cm Bin Tim Cn

Cm ng T

Mch Dao ng

Vt cm bin

Li cm bin

Nguyn Tc Hot ng:

T trng do cun dy ca sensor to ra s thay i khi tng tc vi vt th kim loi (do ch pht hin c vt th kim loi).

109:19 AM

Phn tch nguyn l hot ng?

Hnh dng

Cm Bin Tim Cn

Cm ng T

119:19 AM

Gii thiu mt s hnh dng?

Nguyn l hot ng

Cm Bin Tim Cn

Cm ng T

129:19 AM

Gii thch hot ng ca hnh sau?

8/20/2015

4

Nguyn l hot ng

Cm Bin Tim Cn

Cm ng T

139:19 AM

Phn tch cc khi trong cm bin?

CM BIN CM NG T

Cp kt ni

LED ch bo

Cun cm

B mt tc ng

T trng tn s cao (300-800kHz)

LOI IN CM (Inductive sensor)

149:19 AM

Phn tch cc thnh phn ca cm bin?

Tn s mch dao ng LC thng t 100Khz n Mhz.

Nguyn l

CM BIN CM NG T

LOI IN CM

159:19 AM

Gii thch nh hng ca tn s lm vic mch dao ng?

Khi c vt th bng kim loi i vo vng t trng.

T trng ny cm ng ln vt th mt dng in

xoay trn gi l dng in xoy.

Nguyn l

CM BIN CM NG T

LOI IN CM

169:19 AM


8/20/2015

5

Dng in xoy to ra mt trng ngc chiu vi

t trng ban u.

T trng ny lm gim bin mch dao ng LC

bn trong cm bin.

Nguyn l

CM BIN CM NG T

LOI IN CM

179:19 AM

Gii thch nh hng ca tn s lm vic mch dao ng? nh hng ca dng in xoy lm

thay i bin b dao ng LC.

Mch pht hin ngng (trigger)

gim st s thay i bin trn v

kch mch ng ra (output switch) mi

khi c s thay i vt ngng.

Ng ra cm bin l tn hiu ON/OFF.

Nguyn l

CM BIN CM NG T

LOI IN CM

189:19 AM


Dng in xoy

CM BIN CM NG T

LOI IN CM

199:19 AM

Gii thch dng in xoy?

Cun dy cha cp in

Dng in xoay chiu cp vo cun dy

Dng in xoy

CM BIN CM NG T

LOI IN CM

209:19 AM


8/20/2015

6

T trng to ra xungquanh cun dy khi cdng in xoay chiuchay qua.

Khi c vt th bng kimloi a vo t trng.Dng in xoy s ccm ng vo kim loi.

Dng in xoy

CM BIN CM NG T

LOI IN CM

219:19 AM


Dng in xoy trong kim loi to ra t trng th hai ngc vi t trng ban u.

Dng in s b ngt qung khi c vt nt trn vt liu dn in.

LOI IN CM Dng in xoyCM BIN CM NG T

229:19 AM


Cm bin tim cn in cm c thit k to ra mt vng in t trng, Khi mt vt bng kim loi tin vo khu vc ny, xut hin dng in xoy (dng in cm ng) trong vt th kim loi ny

LOI IN CM

CM BIN CM NG T

239:19 AM

Gii thch vng t trng?

Mch pht hin s pht

hin s thay i tn hiu

v tc ng mch ra

ln mc ON (hnh v). Khi

i tng ri khi khu vc

in trng, s dao ng

c ti lp, cm bin tr

li trng thi bnh thng.

LOI IN CM Dng in xoyCM BIN CM NG T

249:19 AM

S thay i ca mch dao ng theo khong cch ca vt?

8/20/2015

7

in p ngun thng t 10 ti 30VDC.

Ng ra thng c 3 dy nh hnh sau:.

Ng ra transitor loi PNP

CM BIN CM NG T

LOI IN CM Kt ni ti

259:19 AM

Gii thch kt ni ti loi PNP?

Ng ra transitor loi NPN

Kt ni ti

CM BIN CM NG T

LOI IN CM

269:19 AM

Gii thch kt ni ti loi NPN?

Thng s k thut

Loi c bc kim loi xung quanh chng nhiu.

CM BIN CM NG T

LOI IN CM

279:19 AM

Phn tch so snh hai loi?Loi khng c bc kim loi xung quanh t trng khng tp trung khng chnh xc.

Thng s k thut

CM BIN CM NG T

LOI IN CM

289:19 AM

Phn tch so snh hai loi?

8/20/2015

8

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

ON

OFF

Vt cn

Hot ng

CM BIN CM NG T

LOI IN CM

299:19 AM

Gii thch thay i bin ?

ON

OFF

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

Vt cn

Hot ng

CM BIN CM NG TLOI IN CM

309:19 AM


ON

OFF

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

Vt cn

Hot ng

CM BIN CM NG T

LOI IN CM

319:19 AM


ON

OFF

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

Vt cnHot ng

CM BIN CM NG T

LOI IN CM

329:19 AM


8/20/2015

9

ON

OFF

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

Vt cn Hot ng

CM BIN CM NG T

LOI IN CM

339:19 AM


ON

OFF

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

Vt cnHot ng

CM BIN CM NG T

LOI IN CM

349:19 AM


ON

OFF

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

Vt cnHot ng

CM BIN CM NG T

LOI IN CM

359:19 AM


ON

OFF

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

Vt cnHot ng

CM BIN CM NG T

LOI IN CM

369:19 AM


8/20/2015

10

ON

OFF

Sensor

Bin tn hiu

Tn hiu ra ca Sensor

Vt cnHot ng

CM BIN CM NG T

LOI IN CM

379:19 AM


u nhc im ca cmbin in cm:

CM BIN CM NG T

LOI IN CM

u im:

Khng chu nh hng ca m Khng c b phn chuyn ng. Khng chu nh hng ca bi bm. Khng ph thuc vo mu sc. t ph thuc vo b mt i tng hn so vi

cc k thut khc. Khng c khu vc m (blind zone: cm bin

khng pht hin ra i tng mc d i tng gn cm bin).

389:19 AM

Phn tch cc u im?

u nhc im ca cmbin in cm:

CM BIN CM NG T

LOI IN CM

Nhc im:

Ch pht hin c i tng l kim loi.

C th chu nh hng bi cc vng in t

mnh.

Phm vi hot ng ngn hn so vi cc k

thut khc.

399:19 AM

Phn tch cc nhc im?

CM BIN CM NG T

LOI IN CM

SV tm t nht mt datasheet ca loi ny v

ch ra cc thng s cn thit khi s dng.

SV tm mt video ng dng m t cho loi

cm bin ny.

SV tm lc cc ni dung chnh ca CB ny.

409:19 AM

8/20/2015

11

Hnh dng

CM BIN CM NG T

LOI T CM

419:19 AM

Gii thiu?

Cm bin loi ny pht hin c tt c cc loi vt liu

dn in trong khong cch cho php

Cm bin b nh hng bi 3 yu t:

Nhit

Vt cn bng kim loi

Khong cch vt cn

Tc ng bng tip im

CM BIN CM NG T

LOI T CM (Inductive Magnectic sensor)

429:19 AM

Gii thiu dng 1- Phn tch gii thch?

Tc ng bng tip im

CM BIN CM NG T


439:19 AM

Gii thch?

ng thy tinh

Kh tr hoc chn khng

Tip im

St t (Niken)Led ch th

Tc ng bng tip im

CM BIN CM NG T

LOI T CM (Reed Switch)

449:19 AM

Gii thiu cu to?

8/20/2015

12

Tc ng bng tip im

CM BIN CM NG T

LOI T CM

459:19 AM

Gii thch nguyn l hot ng?

Tc ng bng tip im

CM BIN CM NG T

LOI T CM

469:19 AM


Tc ng bng tip im

CM BIN CM NG T

LOI T CM

479:19 AM


Tc ng bng tip im

CM BIN CM NG T

LOI T CM

489:19 AM


8/20/2015

13

Tc ng bng tip im

CM BIN CM NG T

LOI T CM

499:19 AM


Tc ng bng tip im

CM BIN CM NG T

LOI T CM

509:19 AM


24v

Tc ng bng tip im

CM BIN CM NG T

LOI T CM

519:19 AM


Tc ng bng tip im

CM BIN CM NG T

LOI T CM

529:19 AM


8/20/2015

14

S ph thuc t cc t trng khc nhau cn c trnh:

V tr ca im tc ng ph thuc vo khong cch dch chuyn.

Dng cc i cn c gii hn trnh chy tip im.

CM BIN CM NG T

LOI T CM

539:19 AM

Gii thch mt vi ch ?

CM BIN CM NG T

LOI T CM




cm bin ny.


549:19 AM

Tc ng bng tip im

Tc ng bng mch t

CM BIN CM NG T

LOI T CM

Cu to gm mt b to dao ng tn s cao, dao ngny to t trng ng thu cm bin, khi vt c t trngtin n gn th s lm nh hng n t trng u thuv lm cho mch dao ng ca cm bin b nh hng,mch so snh pht hin cho ng ra cm bin dngon/off.

559:19 AM

Gii thiu dng 2?

Cp kt ni LED ch boCun dy mch t

Mch t tn s cao

Tc ng bng mch t

CM BIN CM NG T

LOI T CM

569:19 AM

Gii thiu cc thnh phn cu to CB?

8/20/2015

15

Tc ng bng mch t

CM BIN CM NG T

LOI T CM

579:19 AM


Tc ng bng mch t

CM BIN CM NG T

LOI T CM

589:19 AM


Tc ng bng mch t

CM BIN CM NG T

LOI T CM

599:19 AM


Tc ng bng mch t

CM BIN CM NG T

LOI T CM

609:19 AM


8/20/2015

16

Tc ng bng mch t

CM BIN CM NG T

LOI T CM

619:19 AM


Tc ng bng mch t

CM BIN CM NG T


629:19 AM


Nguyn tc hot ng c bn ca cm bin in cm lhin tng cm ng t ca mch t

Cn ch khi thc hin trn cc dng t khc nhau.

Thit b lm vic trng thi ngm tn s lm vic cao -1kHz

Tc ng bng mch t

CM BIN CM NG T

LOI T CM

639:19 AM

Mt vi ch ?

CM BIN CM NG T

LOI T CM




cm bin ny.


649:19 AM

Tc ng bng mch t

8/20/2015

17

Pht hin khun dp Pht hin palette

Ch pht hin st t

Loi trn

Cc Loi Tim Cn Cm ng TCc Loi Tim Cn Cm ng T

659:19 AM

Gii thch cc ng dng?

Pht hin lon nhm

Lon thp

Lon nhm

Lon nhm

Lon nhm

Ch pht hin nhm/ ng

Pht hin vt nh ming m trn palette

M nhm

Loi trn


669:19 AM

Gii thch cc ng dng?

Pht hin tt c kim loi

Pht hin tt c cc kim loi

Phn bit mt trn v mt di ca lon nc

Loi trn


679:19 AM

Gii thch cc ng dng?

Sensor pht hin trong mi trng nc (c th hot ng khi ngm trong nc)

Loi trn

Pht hin np chai nc trong mi trng m t


689:19 AM

Gii thch cc ng dng?

8/20/2015

18

Kim tra kp

Kim tra gy mi khoang

Loi b khuch i ri


699:19 AM

Gii thch cc ng dng? Loi hnh ch nht

TL-N

TL-Q E2S

TL-T


709:19 AM

Gii thch cc ng dng?

Loi hnh ch nht

E2Q3

TL-GTL-W

TL-M


719:19 AM

Gii thch cc ng dng? Loi pht hin vt kim loi ri

Pht hin/ m vt kim loi ri


729:19 AM

Gii thch cc ng dng?

8/20/2015

19

Cm Bin Tim Cn Phn Loi

T trng c tp trung trc

mt sensor nn t b nhiu bi

kim loi xung quanh, tuy nhin

khong cch o ngn i.

Loi C Bo V (Shielded):

Loi Khng C Bo V (Un-Shielded):

Khng c bo v t trng xung

quanh mt sensor nn khong

cch o di hn, tuy nhin d b

nhiu ca kim loi xung quanh.

Vt Cm Bin

Sensor

Shielded

Vt Cm Bin

Sensor

Un-Shielded

739:19 AM

Cc thng s k thut cn quan tm?

Cc Thut Ng Thng S Dng

1. Vt Chun (Standard Object):

Vt Chun (Standard Object):

Mt vt c xem l vt chun nu hnh dng, vt liu, kch c, v.v.v... ca vt phi ph hp pht huy c cc t tnh k thut ca sensor.

Vt liu

Hnh dng

Kch thc

Tc

v..v..v..

Vt chun

749:19 AM



2. Khong Cch Pht Hin (Detecting Distance):

Khong cch pht hin (Detecting distance):

L khong cch t b mt cm bin u sensor ti v tr vt chun xa nht m sensor c th pht hin.

Vt

Cm

Bin

B mt

cm bin

Cm Bin

Tim Cn

Khong Cch Pht Hin

Khong Cch Reset

759:19 AM


Vt

Cm

Bin

B mt

cm bin

Cm Bin

Tim Cn

Khong cch pht hin c lng

Khong cch ci t


3. Khong Cch Ci t (Setting Distance):

Khong cch ci t (Setting distance):

L khong cch t b mt cm bin u sensor ti v tr vt cm bin sensor c th pht hin vt n nh (thng th khong cch ny bng 70% 80% khong cch pht hin)

769:19 AM


8/20/2015

20


4. Thi Gian p ng (Response Time):

Thi gian p ng (Response Time):

t1 : Khong thi gian t lc i tng chun chuyn ng i vo vng pht hin ca sensor ti khi u ra sensor bt ON.

t2 : Khong thi gian t lc i tng chun chuyn ng i ra khi vng pht hin ca sensor ti khi u ra sensor tt v OFF.

B mt

cm bin

Cm Bin

Tim Cn

Di hot ng

Vt

Cm

Bin

Trong di hot ng

Ngoi di hot ng

779:19 AM



5. Tn S p ng (Response Frequency):

Tn s p ng f (Response Frequency):

S ln tc ng lp li khi vt cm bin i vo vng hot ng ca sensor.

B mt

cm bin

Vt Cm Bin

khong cch cm bin

Cm Bin

Tim Cn

789:19 AM


Khong Cch o - Cc Yu T nh Hng

1. Vt Liu i Tng (Material):

Iron

SUS

Brass

Aluminum

Copper

dn ca vt

Kh

on

g c

ch c

m b

in

(m

m)

Khong cch pht hin ca sensor ph thuc rt nhiu vo vt liu ca vt cm bin.

Cc vt liu c t tnh hoc kim loi c cha st s c khong cch pht hin xa hn cc vt liu khng t tnh hoc khng cha st.

Khong cch pht hin

Kim loi khng cha st (nhm, ng, )

Vt

u Sensor

Kim loi c t tnh (st, SUS, )

Vt

u Sensor

799:19 AM



2. Kch C Ca i Tng (Size):

Khong cch pht hin

Kch thc vt ln

Vt

u Sensor

Vt

u Sensor

Kch thc vt nh

Nu vt cm bin nh hn vt th chun (test object), khong cch pht hin ca sensor s gim.

809:19 AM


8/20/2015

21


3. B Dy Ca i Tng (Size):

Vi vt cm bin thuc nhm kim loi c t tnh (st, niken, SUS, ), b dy vt phi ln hn hoc bng 1mm.

Vi vt cm bin khng thuc nhm kim loi c t tnh, b dy ca vt cng mng th khong cch pht hin cng xa

u Sensor

Vt

Khong cch cm bin

dy vt

819:19 AM



4. Lp M Bn Ngoi Ca Vt (Plating):

Nu vt b m, khong cch cm bin ca vt s b nh hng

829:19 AM


Cc Loi u Ra Cch Mc Ti

Loi u ra AC 2 dy

Loi u ra AC/DC 2 dy

Loi u ra DC 2 dy c cc

Loi u ra DC 2 dy khng cc 839:19 AM

Cch s dng? Cch Mc Cm Bin Loi 2 Dy Vi PLC

Loi AC 220V

Loi DC 24V

COM 01 02

PLC

~

Relay24VDC

COM 01 02

PLC

Relay24VDC

24VDC

220VAC

849:19 AM

Cch s dng?

8/20/2015

22

Cc Loi u Ra Cch Mc Ti

Loi DC 3 dy NPN Loi DC 3 dy NPN cc C h

Loi DC 3 dy PNP cc C h

859:19 AM

Cch s dng?

Cch Mc Cm Bin Vi PLC

COM

01 02

out

Loi DC 3 dy NPN

PLC

COM

01 02

PLC

Loi DC 3 dy PNP

24VDC

24VDCout

869:19 AM

Cch s dng?

Cc loi cm bin ca Omron

879:19 AM

Mt vi loi cm bin? Cc loi cm bin ca Omron

889:19 AM

Mt vi loi cm bin?

8/20/2015

23

NG DNG CM BIN T

899:19 AM

NG DNG CM BIM T

Kim tra v tr ca sn phm M sn phm909:19 AM

Phn tch v gii thch cc ng dng?

NG DNG CM BIM T

Cng nghip ng gi Cng nghip du m

919:19 AM

Phn tch v gii thch cc ng dng? APPLICATION

OMRON SOLUTION

NHN BIT GIA V TRONG GI NHM

Cc gi gia v hoc thuc c a vo cc gi bng nhm l. Cn kim tra xem c gia v trong gi cha?

S dng sensor tim cn c u ra analog (4 20mA) v b x l tn hiu thng minh K3- tnh rng. T c th bit c l c gia v trong gi nhm l cha.

E2CA

Heat Sealing

OK NG

929:19 AM


8/20/2015

24

APPLICATION

OMRON SOLUTION

PHT HIN GI GIY CHNG LN NHAU

Cc gi giy hay chng ln nhau. Lm sao pht hin?

E2C-T l loi cm bin tim cn c b khuych i ri c chc nng Teach.Chng ta c th set c chnh xc v tr im cn cm bin. Sensor c th phn bin c khong cch nh ti 0.1mm.

sensor

939:19 AM


APPLICATION

OMRON SOLUTION

PHT HIN LON BNG NHM HOC THP

Pht hin cc lon khi ang di chuyn trn dy chuyn trnh in thiu bng my in.

E2EV. Tt c cc loi sensor tim cn bng kim loi u c th pht hin c s c mt ca cc lon mt cch chnh xc. Khong cch o ca sensor c th c t ti 10 mm.

949:19 AM


APPLICATION

OMRON SOLUTION

PHT HIN NP NHM TRN CHAI

Pht hin np nhm mng trn chai nc

E2CY-C2A l sensor tim cn chuyn pht hin vt th bng nhm vi tin cy cao. Rt d ci t sensor, ch cn n nt TEACH trn b khuch i.

959:19 AM


Chn Cm Bin Tim Cn Nhng iu Cn Lu

1. Vt Cm Bin (Object):

2. Hnh dng Sensor:

a. Vt liu, kch c vt:

Vt lm bng vt liu g?

Hnh dng ?

Kch c nh th no?

b. B mt ca vt:

B mt ca vt

c m khng?

969:19 AM

8/20/2015

25

Chn Cm Bin Tim Cn - Nhng iu Cn Lu

3. nh Hng Mi Trng Xung Quanh:

Vt cm bin

Kim loi xung quanh

4. Tn S p ng (Response Frequency):

979:19 AM


5. nh Hng Mi Trng Xung Quanh:

6. Khong Cch Cm Bin (Sensing Distance):

Nhit cao

Rung ng mnh m cao,

Khong cch t cm bin ti v tr vt bng 70% 80% khong cch pht hin 70% 80%

100%

989:19 AM


7. Tc ng Gia Cc Sensor Vi Nhau:

Khi gn 2 cm bin tim cn gn nhau, hy xem xt n tc ng tng h gia chng

999:19 AM

2. CM BIN IN DUNG (Capacitive Sensor)

1009:19 AM

8/20/2015

26

Cm Bin Tim Cn

Cm ng in Dung

1019:19 AM

Hnh dng?

Cm Bin Tim Cn

Cm ng in Dung

1029:19 AM

Hnh dng?

Vt Cm Bin

Nguyn Tc Hot ng:

Pht hin theo nguyn tc tnh in (s thay i in dung gia vt cm bin v u sensor), c th pht hin tt c vt

Cm Bin Tim Cn

Cm ng in Dung

1039:19 AM


Cm Bin Tim Cn

Cm ng in Dung

B phn cm bin (cc bn cc(in cc) cch in)

Mch dao ng Mch ghi nhn tn hiu Mch in ng ra

1049:19 AM

Gii thiu cc b phn - cu to?

8/20/2015

27

NGUYN L HOT NG

CM BIN IN DUNG

1059:19 AM

Cu to?

NGUYN L HOT NG

T in gm hai bn cc bng kim loi t cch nhau qua vt liu in mi.

Cm bin dung l t in m: gm hai bn cc t hng ra pha trc nh hnh

CM BIN IN DUNG

1069:19 AM

Cu to gii thch?

NGUYN L HOT NG

CM BIN IN DUNG

1079:19 AM

S thay i sng ra?

NGUYN L HOT NG

B mt cm binl mt bn cc.Khi c in pxoay chiu tvo b mt to ramt in trngbin thin.in p ny lyim t nhmc chun Khng c vt th gia in cc

CM BIN IN DUNG

1089:19 AM


8/20/2015

28

NGUYN L HOT NG

0 : Hng s in mi chn khng

mF /10.854187.8 120

r : Hng s in mi gia hai bn cc.

in dung t in:

d

AC r

0

CM BIN IN DUNG

1099:19 AM


NGUYN L HOT NG

Nu khng c vt th gia hai bn cc.

;1r dA

C 0

Nu gia hai bn cc tn ti vt th khng dn in:

d

AC r

0

Khi c vt th gia hai bn cc th:

1rDo s tng gi tr ca C c s dng pht hin vt th.

C tng

CM BIN IN DUNG

1109:19 AM


NGUYN L HOT NG

Nu vt th gia hai bn cc dn in

V mi trng gia hai bn cc l khng kh nn:

ed

AC r

0

ed

ACr

01

S c mt ca vt dn in gia hai bn cc cng lm in dung tng

CM BIN IN DUNG

1119:19 AM


NGUYN L HOT NG

Pht hin mc nc bn trong bnh

Trong trng hp incc th hai cch ly vimt t.

Nguyn tc nh cctrng hp trn.

Cn tm ng lin ktbn cc vi im nit.

CM BIN IN DUNG

1129:19 AM


8/20/2015

29

NGUYN L HOT NG

Nu khng c ng ni t cho bn cc th 2.

in cc t ni trctip trn b mt cmbin

iu ny to ra mtin trng c lp viim cc t.

CM BIN IN DUNG

1139:19 AM


Cp kt ni

Nt iu chnh

Led ch bo

B mt tc ng

in cc tip ngun

in cc tip t

Vng cm nhn

Dng phthin cc loivt th chng s inmi ln hnkhng kh:Nha, thytinh, g, kimloi,...

CU TO

CM BIN IN DUNG

1149:19 AM

Gii thch cc b phn?

VT CN

HOT NG

CM BIN IN DUNG

1159:19 AM


HOT NG

CM BIN IN DUNG

1169:19 AM


8/20/2015

30

HOT NG

CM BIN IN DUNG

1179:19 AM


HOT NG

CM BIN IN DUNG

1189:19 AM


Pht hin c cc vt c hng s in mi ln hn hng s in mi khng kh

iu chnh c nhy

B nh hng bi tc ng ca mi trng xung quanh (bi, khi)

HOT NG

CM BIN IN DUNG

1199:19 AM

Lu ?

HOT NG

CM BIN IN DUNG

1209:19 AM

V d?

Cm bin cha tc ng

8/20/2015

31

Mc cht lng cn di mc nh hng ca cm bin

HOT NG

CM BIN IN DUNG

1219:19 AM

V d?

Cm bin tc ng

HOT NG

CM BIN IN DUNG

1229:19 AM

V d?

C th pht hin st, kim loi, nha, nc, si, g,

Tui th di v tinh cy cao. C mch bo v chng ni ngc cc ngun. D dng iu chnh khong cch bng

volume. iu chnh c nhy bn trong. C th kim tra tnh trng hot ng bi ch

th LED . D dng kim tra mc v v tr.

C IM CHUNG

CM BIN IN DUNG

1239:19 AM

Gii thch cc c im sau?

Kch thc ca in

cc ca cm bin.

Vt liu v kch thc

i tng.

Nhit mi trng.

i tng tiu chun

v hng s in mi

CM BIN IN DUNG

YU T NH HNG N TM PHT HIN

1249:19 AM

Gii thch cc nh hng sau?

8/20/2015

32

U IM C th cm nhn vt dn in v khng dn

in. Tnh cht tuyn tnh v nhy khng ty thuc

vo vt liu kim loi. N c th cm nhn c vt th nh, nh. Vn tc hot ng nhanh. Tui th cao v n nh cng cao i vi

nhit .

CM BIN IN DUNG

U NHC IM

1259:19 AM

Phn tch cc u im sau?NHC IM

B nh hng bi m

Dy ni vi sensor phi ngn in dung

dy khng nh hng n b cng hng

ca b dao ng.

CM BIN IN DUNG

U NHC IM

1269:19 AM

Phn tch cc nhc im sau?

NG DNG CM BIN IN DUNG

1279:19 AM

NG DNG CM BIM IN DUNG

Trong cng nghip thc phm o mc cht lng

1289:19 AM

Phn tch cc ng dng?

8/20/2015

33

NG DNG CM BIM IN DUNG

Ch bin g Kim tra b ni truyn ng

1299:19 AM

Phn tch cc ng dng?

Cm Bin Tim Cn Cm ng in Dung

Cc Loi Thng Dng

bt

Cht lng

E2KQ-X10ME1

Dy ra

iu chnh nhy

E2KQ : o mc cht lng

Khng b nh hng bi bt kh nh chnh c nhy ca sensor

E2K-L : o mc cht lng

Khng b nh hng bi mu ca ng nha hay mu ca cht lng

1309:19 AM

Gii thch?

APPLICATION

OMRON SOLUTION

PHT HIN SA / NC TRI CY BN TRONG HP

Pht hin c sa / nc tri cy bn trong hp giy

E2K-C l sensor tim cn cng sut ln v c th pht hin c cht lng bn trong hp hay khng.

E2K

1319:19 AM

Gii thch?

Chun IP:

IP

Mc bo v nc v cc vt rn tc ng t bn ngoi, da theo chun ca IEC (International Electrotechnical Commission)

(Bo v s thm nhp ca nc)

(Bo v cc vt rn tc ng t bn ngoi)

Mc bo v ca ch s th 1

Bo v thit b khi nh hng bi

6

Bo v chng khi bi m bo khng lm nh hng n hot ng ca thit b

5

Bo v chng va chm vi vt c ln hn 1mm

4

Bo v chng va chm vi vt c ln hn 2.5mm

3

Bo v chng va chm vi vt c ln hn 12.5mm

2

Bo v chng va chm vi vt c ln hn 50mm

1

Khng bo v0

S dng c nu nhng vo trong nc 8

Khng b nc thm vo nu nhng vo nc (trong mt s trng hp nht nh)7

Khng b nc thm vo nu c tc ng ca tia nc bn mnh trc tip t bt c hng no t xung quanh

6

Khng h hi nu c tc ng ca tia nc bn mnh trc tip t bt c hng no t xung quanh5

Khng h hi nu c tia nc vng vo t bt c hng no

4

Khng h hi nu c tc ng ca nc ri t pha trn xung (theo hng 60 so vi phng thng ng)

3

Khng h hi nu c tc ng ca nc ri t pha trn xung (theo hng 15 so vi phng thng ng)

2

Khng h hi nu c tc ng ca nc ri t pha trn xung (theo hng thng ng)

1

Khng bo v 0

Mc bo v ca ch s th 2

1329:19 AM

Gii thch?

8/20/2015

34

1339:19 AM

2015_CHUONG 2_CAM BIEN TIEM CAN CAM-TU-DUNG.pdf

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