Do an Mach Dem San Pham 9427

8/8/2019 Do an Mach Dem San Pham 9427

1/16

Trng Mch m Sn Phm

- 1 -

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


2/16

Trng Mch m Sn Phm

- 2 -

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..


3/16

Trng Mch m Sn Phm

- 3 -

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


4/16

Trng Mch m Sn Phm

- 4 -

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


5/16

Trng Mch m Sn Phm

- 5 -

(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


6/16


7/16

Trng Mch m Sn Phm

- 7 -

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


8/16

Trng Mch m Sn Phm

- 8 -

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 ** **


9/16

Trng Mch m Sn Phm

- 9 -

++ 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


10/16

Trng Mch m Sn Phm

- 10 -

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


11/16

Trng Mch m Sn Phm

- 11 -

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


12/16

Trng Mch m Sn Phm

- 12 -

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


13/16

Trng Mch m Sn Phm

- 13 -

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


14/16

Trng Mch m Sn Phm

- 14 -

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


15/16


16/16

Trng Mch m Sn Phm

- 16 -

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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Do an Mach Dem San Pham 9427