Quy Trình Công Nghệ Chế Tạo Máy Khí Dung Siêu Âm

QUY TRNH CNG NGH CH TO MY KH DUNG SIU M

VIN TRANG THIT B V CNG TRNH Y T

SN PHM CA TI :NGHIN CU THIT K V CH TO TH NGHIM MY KH DUNG SIU M S DNG TRONG Y T

QUY TRNH CNG NGH CH TO MY KH DUNG SIU MH NI 2012QUY TRNH CNG NGH CH TO MY KH DUNG SIU M1. Cng on 1: la chn v kim tra nguyn liu u vo1.1. nhim v :

- Xy dng tiu chun nguyn liu

- Kim tra cht lng nguyn liu 1.2. Yu cu nguyn liu :1.2.1. Nguyn liu nha

Nguyn liu v my Nha ABS (Acrylonitril butadiene styren) mu trng khng s dng mu

cng : mt 1,05 g/cm

Cch in , cch nhit Nguyn liu cc thuc : Mng PETA dy 0,2 mm Mng PETA (Amorphous polyethylene terepphthalate) vi thnh phn bao gm carbon, hidro v oxy, l loi nha nh hnh. PET khng sn sinh ra cc cht c hi trong qu trnh sn xut, tiu dng v thi b.1.2.2. Linh kin in t

Bng 1: Linh kin mch ngun

TTK hiuGi trn gi (VN)S lngLoi

1C1,22uF/400V3.0001T ha

2C2,C3100uF/50V1.0002T ha nh

3C4470uF/50V1.0001T ha nh

4C5, C6102/160V1002T gm

5C7103/160V1001T gm

6D1FR 1072.0001Diode Xung

7D2,D3FR 3073.0002Diode Xung

8D4,d5,d6,d7. 1N40075005Diode 1A thng

9D8 Dz 3,3v5001Diode n p

10D9 Dz 12v5001Diode n p

11F1FUSE 1A1.0002Cu ch 1A

12 TP1, TP2, TP3HEADER24.0003Header 2

13Q1C18155001TR_NPN_ECB

14Q2A10155001TR_NPN_ECB

15Q34N6010.0001TR_NPN_ECB

16Q4PC 8174.0001OPTO

17R1, R2, 680K/2w5002Tr thng 5 vch

18R34,7k501Tr thng

19R4560501Tr thng

20R51K501Tr thng

21R668K501Tr thng

22R7240501Tr thng

23R80,68/1w5001Tr thng

24Tn nhit cho 7805 + c vt3.0002i km

25ICLM7805CV5.0001LM7805CV

26Dy ngun 20.0001Dy AC

27Cng tc On/Off4.0001Cng tc AC

28ng dy co loi nh1.0001Dy co nhit

29 cu ch1A5001Loi AC

30Mch in45.0001

31Thic hn, nha thng5.0001

Bng 2: Linh kin mch iu khin


1n Led5004n sc

2C1, C233 pF102T gm

3C310 F5001T mica

41N40075003Diode

5Gic cm JP1, JP2, JP4, JP54.00032 chn

6Gic cm JP31.00018 chn

7Gic cm JP64.00013 chn

8Loa LS11.5001

9P5Header50015 chn

10Transistor Q1, Q2, Q3, Q4C1815/600 mW5004C1815

11Transistor Q6A1015/600 mW5001A1015

12Tr R1, R2, R3 W503

13Tr R4, R5, R6, R7, R8, R12, R15 W507

14Vi iu khin U1 16F7260.0001

15Phm bm SW1, SW250024 chn

16Thch anh8 MHz4.0001

17 Dy ni loi nh1.0001Dy chu nhit

18 Rle5v/3A10.0003

19Mch in50.0001

20Cng tc t5.0001


Bng 3: Linh kin mch to dao ng v cng sut


1C1,10uF/50V5001T ha

2C2,C3473/250V1.0002T mica

3C4102/160V1001T gm

4C5101/160V1001T gm

5L 10uH5.0002Cun cm

6L 1uH5.0001Cun cm

7 TP1, TP2, TP3HEADER24.0003Header 2

8Q1BU 4066.0001TR_NPN_ECB

9R110501Tr thng 5 vch

10R32,2501Tr thng

11Tranducer1,7MHz50.0001

12 Dy ni loi nh1.0001Dy chu nhit

13Mch in20.0001


2. Cng on 2 : Ch to

2.1. Ch to mch in t 2.1.1. Ch to mch ngun

Yu cu

Mch ngun ca my kh dung siu m s dng li in gia nh 220V/50Hz. Mch ngun c tc dng bin i in p xoay chiu 220V/50Hz thnh ngun in mt chiu 30V vi dng in cp cho ti 1A v 5V vi dng in cp cho ti 0.5A. Ngun in 30V c s dng cung cp cho mch dao ng v khuch i cng sut. Ngun in 5V c s dng cho mch iu khin.

Nguyn l khi ngun:

D1-D4 chnh lu cu t in li 220v to in p 1 chiu c lc bi t 33u/400v.

in p 1 chiu i qua cun dy 1-3 n cc C ca Q1.

T C3, R1, C5 Mc thnh mch dp xung trn cun dy 1-3 ca bin p bo v Q1.

R2 l in tr khi ng khi cp ngun.

R3, R7 , D8 chnh lu to in p cp ngun v duy tr cho mch lm vic sau khi khi ng.

Cun dy 1-4 ca bin p xut hin sc in ng khi Q1 ng , m.

in p ti cun dy 1-4 cn c chnh lu cp ngun cho Q2 v U1.

ng thi pha th cp ca bin p cng c chnh lu nh D1 v D4.

in p chnh lu trn D1 a v mch d sai nh IC 431.

IC 431 c 3 chn 1 nhn in p d sai, chn 3 ni mt, chn 2 to in p d sai a v iu khin U1. Qu trnh hot ng tr thnh mch kn gi cho in p ra khng i.

Hnh 1 : Bn thit k mch ngun2.1.2. Ch to mch iu khin Yu cu

Mch iu khin ca my kh dung siu m c chc nng nh sau:

Thu nhn, x l cc tn hiu t cm bin, h thng phm iu khin

Thc hin chc nng bo ng khi mc nc cn

Thc hin chc nng hin th

Thc hin chc nng iu khin cng sut dao ng ca transducer

Thc hin chc nng iu khin tc qut gi

Hnh 2 : Bn thit k mch iu khin2.1.3. Ch to mch dao ng v cng sut

Yu cu :Mch dao ng v cng sut c tc dng to dao ng in v chuyn dao ng in thnh dao ng c hc thng qua transducer. Vic thay i cng sut dao ng ca transducer ny lm thay i mt ca sng. Khi kt hp vi h thng qut gi iu chnh tc v lu lng phun sng. S kt hp thay i tc qut gi v cng sut dao ng trnh hin tng sng phun ra qu long khi qut gi tc cao hoc hin tng ng sng khi qut gi tc thp.

Kh nng thay i cng sut, qut gi c iu khin bi chp vi iu khin nn c kh nng linh ng cao, d dng trong qu trnh hiu chnh my sau khi kim nh v th nghim lm sng.

Hnh 3: Bn thit k mch to dao ng v cng sut2.1.4. Np cho mch iu khin Chip PIC 16F72-E/SP

#include "C:\Documents and Settings\thethuc\My Documents\Thu\Code Khi\Code.h"

#define on input(pin_b0)

#define mode input(pin_b3)

#define ct input(pin_b4)

#define led1 pin_c4

#define led2 pin_c5

#define led3 pin_c6

#define ban pin_c7

void main()

{

set_tris_c(0x00);

set_tris_b(0x10);

// TODO: USER CODE!!

//output_c(0x00);

/*

output_low(led1);

output_low(led2);

output_low(led3);

output_low(ban);

*/

OUTPUT_c(0xff);

while(true)

{

output_high(led1);

output_high(led2);

output_high(led3);

output_high(ban);

}

}

#include "C:\Documents and Settings\thethuc\My Documents\Thu\Code Khi\main.h"

#define led1 pin_c4

#define led2 pin_c5

#define led3 pin_c6

#define ban pin_c7

#define loa pin_b5

#define on input(pin_b0)

#define mode input(pin_b3)

#define ct input(pin_b4)

int dem,dem1;

void main()

{

set_tris_c(0x00);

set_tris_b(0xef);

OUTPUT_c(0x00);

OUTPUT_b(0xff);

setup_ccp1(CCP_PWM);

set_pwm1_duty(0);

setup_timer_2(T2_DIV_BY_4, 249, 1);

dem=0;

dem1=1;

/* output_high(led1);

output_high(led2);

output_high(led3);

output_high(ban);

output_low(loa);

*/

while(true)

{ //kiem tra nut on/off

if(on==0)

{while(on==0);

dem++;

if(dem>1)dem=0;

}

if(dem==0)

{

OUTPUT_c(0x00);

OUTPUT_b(0xff);

set_pwm1_duty(0);


}

if(dem==1)

{ //kiem tr ct tu

if(ct==1)// het nuoc

{

output_low(led1);

output_low(led2);

output_low(led3);

output_high(ban);

output_low(loa);

set_pwm1_duty(0);


dem1=1;

}

if(ct==0)//con nuoc

{

output_high(loa);

output_low(ban);

if(mode==0)

{

while(mode==0);dem1++;if(dem1>3)dem1=1;}

if(dem1==1)

{

output_high(led1);

output_low(led2);

output_low(led3);

set_pwm1_duty(90);


}

if(dem1==2)

{

output_high(led2);

output_low(led1);

output_low(led3);

set_pwm1_duty(180);


}

if(dem1==3)

{

output_high(led3);

output_low(led1);

output_low(led2);

set_pwm1_duty(250);


}

}

}

}

}

Sau khi ch to th nghim hot ng ca cc mch in t 2.2. Ch to v my v cc ph kin : 2.2.1. V my, cc np Gia cng nha c th thu nhng n v c my p v c nh xng, ch cn giao nguyn vt liu, yu cu cht lng sn phm v khi giao nhn kim tra theo TC quy nh.V my gm 3 mnh : y, thn, np Yu cu :

Phn np : kch thc 195mm x 100mm x 20mm. C hnh ch nht bu hai gc trn. Cch mp tri 45mm c b phn vi cm ng gn lin thn my kch thc 17mm. Phn st thn my v b phn vi cm ng c nhng sc kha dc. Phn thn : kch thc 195mm x 75mm Trn khng c g c bit, khng tho ri c.

Phn y : kch thc 195mm x 60mm.

C dng bu ging mt trn, u to c thit k Logo chm cng mu hnh trn ng knh 34mm, bn trong c in ch VIN TTB-CTYT. Pha u nh c l thot kh dng chn song hnh ch nht bn gc bu kch thc 49mm x 25mm. Ti bn gc ca mt di kiu dng cng nghip c 4 l cm dong chng dung. Cc bc cn lu khi gia cng - Lm sch khun

- Chun b nguyn liu khng c ln mu v loi nguyn liu khng t cht lng- Sa via sn phm lp rp cho khp 2.2.2. Ch to cc thuc : - M np, ci t cc thng s v nhit v thi gian

- t tm phim trong ln mt trn ca my lm mm . Ch my t nhit cn t

- ng np, sau khi my s t hot ng ht chn khng qua cc l nh di chn ca khun. Bm s hot ng n ht thi gian ci t. - Tho sn phm 3. Cng on 3 : Lp rp Yu cu

My l t hp nhiu chi tit lp rp vi nhau, y l khu quan trng c tnh quyt nh cht lng ca sn phm . iu kin lp rp :

- nh sng cng nhn lm vic - Din tch khon 15 m

- y trang b phng chng chy n

- C ni quy v an ton lao ng

iu kin v thit b :

- ng h o in

- Phngm bo v Lp rp tng phn vi nhau theo trnh t :a. Phn mch ngun gn y my gn phn thot kh, mch iu khin gn trn thnh ca y my ti b phn cc nt iu khinb. Mch to dao ng v cng sut gn vo phn thn myc.Lp cc chi tit Danh mc cc chi tit :

TTTn ph kin

1. Np my

2. Thn my

3. y my

4. Phao nc

5. Mch in t

6. Dong cc

7. Cng tc in

8. Bng iu khin bn ngoi

9. Nhn my

10. Dy in

11. B MAS

12. ng ni

13. Bn hng dn s dng

4 . Cng on 4 : Th nghim v kim tra cht lng 4.1. Th nghim : 100%

M np trn my nc vo n mc quy nh trong my . Dng ng nh git hoc ng tim sch ly mt lng nc mui sinh l 0,9% cho vo cc ng thuc. Lp cc ng thuc vo ch quy nh

Ni mt n hoc ng th vo my . t mt n ln mt v chnh dy ct cho va kht hoc a ng th ln ming Thao tc khi ng

- Cm in

- Bt cng tc pha sau my

- Bm nt khi ng ( ON/OFF)- Bm nt bt mc lu lng

- iu chnh lu lng theo mun ti 3 nt bm theo th t tng dn . 4.2. Kim tra tr cch in

4.2.1. Chun b

- Cm cp ngun vo thn my, khng c ni my vi in; - Bt cng tc ngun. 4.2.2.Kim tra cch in v my Dng ng h o in tr (M ga Om k) thang 100 M( o in tr gia v my v cc chn cm ca dy ngun; 4.3. Kim tra lu lng phun 5. Cng on 5 :Bao gi

ng hp My, linh kin v bn hng dn s dngS quy trnh sn xut

Nhp kho

Hot ng bnh thng

Li

Th nghim hot ng ca mch in t

Ch to mch in t

La chn linh kin in t

Gia cng hp, nhn

In bn hng dn s dng

Chy th, hiu chnh

Gia cng nha, cao su ( v my, cc chi tit, cc thuc )

Lp rp

Kim tra nguyn liu

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