do an mach dem san pham 9427
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8/8/2019 Do an Mach Dem San Pham 9427
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Trng Mch m Sn Phm
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TI :
A. LI MU
1 Tnh cp thit ca tiHin nay l thi i khoa hc k thut pht trin, cc nh my x nghip
sn xut sn phm ca mnh trn cc bng chuyn hin i, sn phm xut ra
rt nhanh v nhiu v vy vic m xem c bao nhiu sn phm hn tt
xut ra t bng chuyn cui cng th ngi cng nhn kh c th thc hin
chnh xc c. V vy mch m sn phm s gip ta kim st c sn
lng cho ra ti mi bng chuyn.
2 Mc ch, yu cu
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Mc ch ca mch m sn phm l gip cho nh my m c s
lng sn phm ca my to ra mt cch n gin, chnh xc m khng tn
nhiu cng sc lao ng ca cng nhn.
Yu cu ca mch m sn phm l phi chy mt cch chnh xc, n
nh, gn nh d lp t d sa cha v r tin.
3 Phng php nghin cu
Da trn phng php nghin cu v phn tch c tnh chc nng ca
cc linh kin, cc IC v p dng nhng kin thc hc cng vi s hng
dn ca ging vin ph trch xy dng nn mt mch chc nng m sn
phm hot ng tt v ng vi yu cu ca ti.
4 Kt qu nghin cuMch m sn phm l ti thuc n tt nghip 1, nghin cu v thc
hin n tt nghip 1 gip sinh vin lm quen vi vic lm n tt nghip,
lm quen vi cch hc t nghin cu ,hc tp v lm vic chung vi nhm.
Vi vic t nghin cu v thc hin mch m sn phm gip
sinh vin vn dng cc kin thc hc v s hng dn ca ging vin
thc hin tt mch.
BBii bboo ccoo nnyyuucc nnhhmm ttmm kkiimm tt nnhhiiuu nngguunn kkhhcc nnhhaauu nnhh:: sscchh vv
,,iinntteerrnneett nnnn cchhcc cchhnn ss cc nnhhiiuu tthhiiuu xxtt ,, cchhoo nnnn nnhhmm cchhnngg eemm
mmoonngg nnhhnncc ssnngg ggpp kkiinn ccaa tthhyy cc vv bbnn bb .. XXiinn cchhnn tthhnnhh
ccmmnn..
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Trng Mch m Sn Phm
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B. NI DUNG
I/Gii Thiu Linh Kin
11//LLeedd 77oonn:: ll 77 ccoonn lleedd sspp xxpp llii tthheeoo hhnnhh mmuu.. MMtt cchhnn ccaa cccc ccoonn
lleeddcc nnii cchhuunngg vvii nnhhaauu ((AAnnoodd cchhuunngg hhoocc KKaattoodd cchhuunngg)),, cccc cchhnn ccoonnlliiccaa rraa nnggii pphhnn cccc cccc ccoonn lleedd..
2/ LM555S chn v cu trc
Vi mch 555 c ch to thng dng nht l dng v Plastic
Chn 1: GND ( ni t )
Chn 2: Trigger Input ( ng vo xung ny )
a7
b6
c4
d2
e1
f9
g10
cc3cc8
Dp5
U1
led 7 doan Katod chung
a7
b6
c4
d2
e1
f9
g10
ca3ca8
Dp5
U2
led 7 doan Anod chung
U1
NE555
3
4
8 1
5
26
7OUT
RST
VCC GND
CV
TRGTHR
DSCHG
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Chn 3: Output ( ng ra )
Chn 4: Reset ( hi phc )
Chn 5: Control Voltage ( iu khin in p)
Chn 6: Threshold ( thm- ngng )
Chn 7: Dirchage ( xin )Chn 8: +Vcc ( ngun dng)
Bn trong vi mch 555 c hn 20 Transistor v nhiu in tr thc hin
chc nng nh hnh 2 gm c:
a) Cu phn p gm c 3 in tr5K ni t ngun +Vcc xung mass chora 2 in p th chun l 1/3 Vcc v 2/3 Vcc.
b) OP- AMP (1) l mch khuch i so snh c ng so snh c ngn
I
nhn in p chun 2/3 Vcc, cn ng nI+ th ni ra ngi chn 6. Ty thuc
c) in p ca chn 6 so vi in p chun 2/3 Vcc m OP AMP (1) cin p mc cao hay thp lm tn hiu R (reset), iu khin Flip-Flop
(F/F).
d) OP-AMP (2) l mch khuch i so snh c ngn
I+ nhn in p chun
1/3 Vcc, cn ng nI th ni ra ngi chn 2. Ty thuc in p chn 2 so
vi in p chun 1/3 Vcc m op-amp (2) c p th ra mc cao hay mcthp lm tn hiu S (Set), iu khin Flip-Flop (F/F).
e) Mch Flip-Flop (F/F) l loi mch lng n kch mt bn. Khi chn Set
35k
VCC
GND
1/3 Vcc
Voltage5k
2
8
5k
4
Threshold6
S
F/FR
Control
-
+
1
1
2/3 Vcc
5
-
+
2
OUTPUT
NOT
T2
T1
OUTPUT
Vr=1.4 V
7
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(S) c in p cao th in p ny kch i trng thi ca F/F l ng Q ln
mc cao v ng Q xung mc thp. Khi ng Set ang mc cao xung
th p th mch F/F khng i trng thi. Khi chn Reset (R) c in p
cao,th in p ny kch i trng thi F/F khng i trng thi. Khi chn
Reset (R) c in p cao th in p ny kch i trng thi ca F/F lmng ra Q ln cao v ng Q xung mc thp. Khi ng Reset ang mc
cao xung mc thp th mch F/F khng i trng thi.
Hnh 2: Cu trc ca IC 555
f) Mch output l mch khuch i ng ra tng khuch i dng cpcho ti. y l mch khuch i o, c ng vo l chn Q ca F/F, nn
khi Q mc cao th ng ra chn 3 ca IC s c in p thp ( 0V) v
ngc li, khi Q mc thp th ng ra chn 3 ca IC s c in p cao (
Vcc).
g) Transistor T1 c chn E ni vo in p chun khong 1,4 V, l loiTransistor PNP. Khi cc B ni ra ngi bi chn 4, c in p cao hn1.4V, th T1 ngng dn, nn T1 khng nh hng m hot ng ca
mch. Khi chn 4 c in trtr s nh thch hp ni mass th T1 dn bo
ha, ng thi cng lm mch OUTPUT dn bo ha, v ng ra xung
thp. Chn 4 c gi l chn Reset c ngha l n Reset IC 555 bt chp
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Trng Mch m Sn Phm
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HEF4511B l mt IC gii m Led 7 on vi bn a ch li vo (
DA,DB,DC,DD), ta cht chn EL , BI , LT mc thp, v cc chn (OAn
OG) mc cao. Khi chn EL mc thp, th li ra (Oan Og ) ph thuc
vo cc chn d liu (DA,DB,DC,DD ). Khi m chn ELmc cao, d liu
np vo chn DA,DB,DC,DD trc th c cht li.CChh cc cchhcc nnnngg cchhuuyynnii ggii ttrr ddii ddnngg mm BBCCDD tthhnnhh mm LLEEDD
77oonn..
IIcc 44551111 cchh ss ddnnggcc vvii lleedd 77oonn KKaattoodd cchhuunngg..
++ SS cchhnn::
DDAA ~~ DDDD :: nngg vvoo BBCCDD
OOaa ~~ OOgg :: nngg rraa lleedd 77oonn
LLTT :: nngg kkiimm ttrraa lleedd
BBII :: nngg vvoo llmm tttt lleedd
EELL :: nngg cchhoo pphhpp llmm vviicc
S chn 4511
S khi
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FUNCTION TABLE
Ghi Ch1 = mc cao0 = mc thpX = gi tr bt k
5/ IC 4518
IICC 44551188 ll hhaaii bbmm BBCCDD.. IICC 44551188 cc hhaaii nngg vvoo
iiuu kkhhiinn((CCPP00 vv CCPP11)) cc tthh llmm vviicchhaaii mmcc ttcchh
cccc kkhhcc nnhhaauu.. CChhnn CCPP00 ttcchh cccc ccnnhh llnn vv CCPP11 ttcchh
cccc ccnnhh xxuunngg,, kkhhii mmtt cchhnn iiuu kkhhiinn ll nngg vvoo
ccpp xxuunngg tthh cchhnn ccnn llii ss ll nngg cchhoo pphhpp llmm vviicc
NNgg vvoo NNgg rraa
EELL BBII LLTT DDDD DDCC DDBB DDAA OOaa OObb OOcc OOdd OOee OOff OOggHHiinntthh
XX XX 00 XX XX XX XX 11 11 11 11 11 11 11 88XX 00 11 XX XX XX XX 00 00 00 00 00 00 00 TTii00 11 11 00 00 00 00 11 11 11 11 11 11 00 0000 11 11 00 00 00 11 00 11 11 00 00 00 00 1100 11 11 00 00 11 00 11 11 00 11 11 00 11 2200 11 11 00 00 11 11 11 11 11 11 00 00 11 3300 11 11 00 11 00 00 00 11 11 00 00 11 11 4400 11 11 00 11 00 11 11 00 11 11 00 11 11 5500 11 11 00 11 11 00 00 00 11 11 11 11 11 6600 11 11 00 11 11 11 11 11 11 00 00 00 00 77
00 11 11 11 00 00 00 11 11 11 11 11 11 11 8800 11 11 11 00 00 11 11 11 11 00 00 11 11 9900 11 11 11 00 11 00 00 00 00 00 00 00 00 TTii00 11 11 11 00 11 11 00 00 00 00 00 00 00 TTii00 11 11 11 11 00 00 00 00 00 00 00 00 00 TTii00 11 11 11 11 00 11 00 00 00 00 00 00 00 TTii00 11 11 11 11 11 00 00 00 00 00 00 00 00 TTii00 11 11 11 11 11 11 00 00 00 00 00 00 00 TTii11 11 11 XX XX XX XX ** **
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++ SS cchhnn::
CCPP00 vv CCPP11 :: cchhnniiuu kkhhiinn
MMRR:: tthhiitt llpp llii ttrrnngg tthhii bbaannuu
OO00 ~~OO33 :: nngg rraa BBCCDD
++ SS llooggiicc::
++ BBnngg ggii ttrr
66//iinn ttrr:: ss ddnngg iinn
ttrr44vvnngg mmuu vv 55 vvnngg mmuuKK hhiiuu::
77// TTiinn:: tt cc pphhnn cccc vv tt kkhhnngg pphhnn ccccKK hhiiuu:: tt pphhnn cccc::
tt kkhhnngg pphhnn cccc::
CCPP00 CCPP11 MMRR TTrrnngg tthhii 11 00 TTrrnngg tthhii mm00 00 TTrrnngg tthhii mm XX 00 KKhhnngg tthhaayy iiXX 00 KKhhnngg tthhaayy ii 00 00 KKhhnngg tthhaayy ii11 00 KKhhnngg tthhaayy iiXX XX 11 TTrrnngg tthhii bbaann uu
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88// LLeedd::ll mmtt ddnngg ddiiooddee pphhtt qquuaanngg,, kkhhii pphhnn cccc tthhuunn tthh lleedd pphhtt ssnngg,,pphhnn cccc nngghhcchh tthh kkhhnngg pphhtt ssnngg..
KK hhiiuu::
II/Nguyn l hot ng
11// SS kkhhii::
aa)) KKhhii nngguunn:: ttoo rraa ddnnggiinnnnnnhh ccuunngg ccpp cchhoo ttnn mmcchh..bb)) KKhhii ttoo xxuunngg:: ddnngg ttoo rraa xxuunngg cclloocckkcc ttnn ss vviinnnnhh ccaaoo ccpp cchhoo kkhhiimm..
cc)) KKhhii pphhtt:: ddnngg pphhtt rraa ttnn hhiiuu hhnngg nnggooii ccuunngg ccpp cchhoo kkhhii tthhuu..dd)) KKhhii tthhuu:: tthhuu ttnn hhiiuu hhnngg nnggooii ddnngg llmm xxuunngg cclloocckk cchhoo kkhhiimm..ee)) KKhhiimm:: nnhhnn xxuunngg cclloocckk tt kkhhii ttoo xxuunngg vv ttiinn hhnnhh qquu ttrrnnhhmm..,,nngg tthhii xxuutt rraa ggii ttrr mm BBCCDD cchhuuyynnnn kkhhii ggiiii mm..
ff)) KKhhii ggiiii mm :: nnhhnn ggii ttrr BBCCDD tt kkhhiimm vv cchhuuyynnii tthhnnhh ggiittrr lleedd 77oonn cchhuuyynnnn kkhhii hhiinn tthh..
gg)) KKhhii hhiinn tthh :: nnhhnn ggii ttrr cchhuuyynnii tt kkhhii ggiiii mm vv xxuutt rraahhnnhhnnhh..
2/ Hot ng:
a/ Phn pht 555
KHI NGUNKHI TOXUNG
KHIM
KHIHIN TH
KHIGII M
KHIPHT
KHITHU
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IC555 To dao ng tn s cao khong 30Khz n 40 Khz cho led
pht hng ngoi pht xa . Bin trVR1 chnh tn s.
Khi chn 3 ca IC555 mc cao th C1815 dn v led pht s pht tia
hng ngoi.
Khi chn 3 ca IC555 mc th p th C1815 ngng dn v led pht s
khng pht tia hng ngoi.
b/ B thu
Khi cp in th con thu hng ngoi c cp in v to ra mt in p
ng ra:+Nu thu hng ngoi nhn c nh sng hng ngoi th in p li ra
mc thp i qua IC 4093 ( l IC cng NAND) c mc to thnh cng NOT
th in p li ra mc cao v n s cp cho chn 2 ca 4518(13)
+Ngc li, nu thu hng ngoi khng nhn c nh sng hng ngoi th
in p li ra mc cao i qua IC 4093 c mc theo kiu cng NOT in
p li ra mc thp th s cp cho chn 2 ca 4518(13)
LED
R6
220
Q1C1815
1
3
2
LED PHAT
1
2C2
0.001
1
2
R7
470
C3
0.01
1
2
R71K
R812/2W
C1100
LM5553
48
5
26
7
1
OUT
RST
VCC
C
V
TRGTHR
DSCHG
G
ND
VR1
50K
VCC
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c/ Bm, gii m, hin th
C nh th, n s to thnh xung nhp c p cho 4518A(12), c mi mt
xung th 4518A(12) s m ln mt s cho n khi m ti 9 th Q3 ca
4518A(12) mc cao khi c mt xung k tip th n s nhy ln s 0, khi Q3
mc thp n s kch qua chn s 10 ca 4518B(12). hin th cho chng
ta hiu cn phi i qua IC 4511 l IC gii m ( t m BCD sang s nh phn)
v hin th qua Led 7 on.
m c 24 chai nc ngt v m c s kt bia, ta s ly xung
kch t chn Q2 ca 4518A(12) a qua mt chn ca cng NAND 4093
(15B), chn Q1 ca 4518B(12) ta sa qua chn cn li ca cng NAND
4093 (15B). Khi hai chn ca 4093 (15B) ng thi mc cao th li ra
mc thp th khi n s kch qua chn 2 ca 4518A (13) v sau 4518(12)
s Reset v mc 0. C nh th, n sm t 0 n 24 th bn kia nhy ln 1
mc.
Tng tm c 20 chai bia, chn Q1 ca 4518B(12) sc cu
qua 2 chn ca cng NAND 4093 (15C) tng ng nh mt cng NOT.
Khi Q1 mc thp th n s kch qua chn 2 ca 4518A (13) ng thi reset
v 0. C nh th, n sm t 0 n 20 th bn kia nhy ln 1 mc.
U15A
40931
23
14
7
VCC
C310uF
R12
1K
VCC
IR 3 CHN
1
2
3
OUT
GND
VCC
R11100
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U7
4511
71
26
3 4
5
13121110
91514
16
8
AB
CD
LT
BI
LE
abcdefg
VDD
GND
U11
4511
71
26
34
5
13121110
91514
16
8
AB
CD
LT
BI
LE
abcdefg
VDD
GND
VCC
VCC
VCC
U15C
4093
8
910
14
7
VCC
U5 le
d7doan
3
8
5
76421
910
CA
CA
DP
AB
CDEF
G
U12B
4518
9
10
15
11121314
168
CLK
CKE
RST
Q0Q1Q2Q3
VCCGND
VCC
VCC
R5 1
50
U15D
4093
12
13
11
1 4 7
R3 1
50
U14A
4518
1
2
7
345
6
168
CLK
CKE
RST
Q0Q1Q2Q3
VCCGND
U2 le
d7doan
3
8
5
76421
910
CA
CA
DP
AB
CDEF
G
R2 1
50
U9
4511
71
2
6
34
5
131211
1091514
16
8
AB
CD
LT
BI
LE
abcdefg
VDD
GND
U12A
4518
1
2
7
3456
168
CLK
CKE
RST
Q0Q1Q2Q3
VCCGND
V
CC
U10
4511
71
26
34
5
13121110
91514
16
8
AB
CD
LT
BI
LE
abcdefg
VDD
GND
U13B
4518
9
10
15
11121314
168
CLK
CKE
RST
Q0Q1Q2Q3
VCCGND
U15B
409
3
5
64
14
7
R1
150
VCC
U4 le
d7doan
3
8
5
76421
910
CA
CA
DP
AB
CDEF
G
VCC
U3 le
d7doan
3
8
5
76421
910
CA
CA
DP
AB
CDEF
G
U8
4511
71
26
3 4
5
13121110
91514
16
8
AB
CD
LT
BI
LE
abcdefg
VDD
GND
VCC
U1 le
d7doan
3
8
5
764
21
910
CA
CA
DP
AB
CDEF
G
VCC
VCC
R4 1
50
VCC
U13A
4518
1
2
7
3456
168
CLK
CKE
RST
Q0Q1Q2Q3
VCCGND
3/ S nguyn l
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Trng Mch m Sn Phm
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4093
R6150
R10
220
U2B
4518
9
10
1511121314
CLKCKE
RSTQ0Q1Q2Q3
VCC
R4150
4093
U1B
4518
9
10
1511121314
CLKCKE
RSTQ0Q1Q2Q3
U3A
4518
1
2
7
3456
16
8CLK
CKE
RST
Q0Q1Q2Q3 VCC
GND
R515
093
NUOCNGOT
U1A
4518
1
2
7
3456
16
8CLK
CKE
RST
Q0Q1Q2Q3 VCC
GND
R6
4511
7126
34
5
1312111091514
16
8
ABCD
LTB
I
LEa
bcdefg
VDD
GRD
VCC
LED1
12
34
5
67
8
910
ED
CAC
DP
BA
CA
FG
SW1
RESETKET
R2150
R1
150
VR
1
50K
LM555
3
4
8
267
OUT
RST
VCC
V
TRG
THR
DSCHG
ND
U2A
4518
1
2
7
345
6
16
8CLK
CKE
RST
Q0Q1
Q2Q3 VCC
GND
SW2
RESETCHAI
VCC
LED
VCC
VCC
VCC
VCC
R3150
LED6
12
34
5
67
8
910
ED
CAC
DP
BA
CA
FG
R131K
LED3
12
34
5
67
8
910
ED
CAC
DP
BA
CA
FG
R12
1K
R71K
3
1
VC DOUT
4511
7126
34
5
1312111091514
16
8
ABCD
LTB
I
LE
abcdefg
VDD
GRD
4511
712
6
34
5
131211
1091514
16
8
AB
CD
LTB
I
LE
ab
cdefg
VDD
GRD
4511
7126
34
5
1312111091514
16
8
ABCD
LTB
I
LE
abcdefg
VDD
GRD
VCC
1
2
3R812/2W
C1
LED2
12
34
5
67
8
910
ED
CAC
DP
BA
CA
FG
VCC
VCC
R7
470
4511
7126
34
5
1312111091514
16
8
ABCD
LTB
I
LE
abcdefg
VDD
GRD
VCC
LEDPHA
T
1
U3B
4518
9
10
1511121314
CLKCKE
RSTQ0Q1Q2Q3
R11
VCC
LED4
12
34
5
67
8
910
ED
CAC
DP
BA
CA
FG
R9100
4093
LED5
12
34
5
67
8
910
ED
CA
C
DP
BA
CA
FG
4511
7126
34
5
1312111091514
16
8
ABCD
LTB
I
LE
abcdefg
VDD
GRD
VCC
BIA
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C.KT LUN
n tt nghip 1 l mt bi tp ln, mt th thch i vi sinh vin,
tuy nhin vi n tt nghip 1 gip cho sinh vin vn dng mt cch c th
kin thc ca mnh hoc mt cch sng to v lm quen dn vi cch hc t
nghin cu, hc tp v lm vic vi nhm nghin cu v thc hin n
mt cch tt nht. Hn th na, n 1 cn gip sinh vin quen dn vi cch
lm cc n tt nghip sau ny.
Xin chn thnh cm n s nhn xt nh gi ca cc thy c v s
hng dn tn tnh ca thy Trn Vn Trinh
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