Nghiên cứu và nâng cấp hệ thống kiểm soát và điều khiển thiết bị công cộng trên mạng máy tính bệnh viện tỉnh khánh hòa

Tuy nhien mot sd thiet bi cdng cong nam rai rac tai cac khoa phong rat kho kiem soat qui trinh hoat dgng ciia chung, din den hu hong thiet bi, anh huong den sue khoe ciia con ngudi, thit

UY BAN NHAN DAN TINH KHANH HOA

Co' quan chii tri

aS.NGUYEN MANH TIEN

HHOA

d^Oiu ^Qfu>fip

Muc luc

• •

Trang Danh muc cac hinh anh 4

Dien Giai Tir Viet Tat Va Tieng Anh 6

Tieng viet 6 Tieng anh 6 CHtTONGI 8 TONG QUAN 8

I DAT VAN DE 8

n TINH HINH NGHIEN ClTU TRONG VA NGOAI NlTOC 11

1 Tinh hinh nghien ciru ngoai nirffc: 11

2 Tinh hinh nghien cihi trong niro'c 14

III NOI DUNG NGHIEN ClTU, PHU'ONG PHAP NGHIEN ClTU, MUC

TIEU DE TAI 15

1 Muc tieu de tai: 15

2 Noi dung: 15

3 Phtfcng phap nghien ciiu de tai: 15

4 San pham de tai: 15

CHUONG II 16 KET QUA NGHIEN ClTU 16

I KET QUA DAT DUOC 16

1 Van de nang cap Controller 16

1.1 Controller gian tiep 16

1.2 Controller true tiep 19

2 Che tao mdi cac Bridge, Switch co tac dung md rong he thong dong thdi

tang them hf so khuech dai tin hieu du-dng truyen 22

3 Chu-ffng trinh viet bSng ngon ngu- Assembly cho Hub, Bridge, Switch,

Controller 25

4 Xay dyng he thong: 25

5 Xay dyng he thong bang ma hoa 27

6 Chirong trinh phan mem may tinh 27

Mot so SO" do thuat toan 31

7 Phu-o-ng phap bao ve 34

8 San pham ciia de tai 34

II Ban luan 54

1 Danh gia ve hf thong 54

2 Bo Controller 56

3 Mach Bridge, Switch, Hub 57

4 Ve mat Icinh te 57

5 Ve mat cong nghe • 58

6 So sanh giira he thdng cu va he thong nghien cuu nang cap: 58

7 Nhiing van de chu-a dat du"0"c: 59

CHl/OTVGin 61 KET LUAN VA KIEN NGHI 61

2

I KET LUAN 61

IL KIEN NGHI 62 PHU LUC ' 64

1 He thong kiem soat tren mang cua hang Jumboswith 64

2 He thdng kigm soat thiSt bi tren mang XWEB3000 cua hang DIXELL 66

3 Controller E-CLASS cua hang DIXELL 67

4 Cau hinh mang ao RS485 theo tieu chuan Ethernet 67

5 IC Ddng ho thai gian thyc DS1307 70

5.1 Sa do dja chi RAM va RTC: 72

5.2 Che do che hoat dong ciia DS1307 : 74

6 IC cam bien nhiet do LM335: 77

Danh muc cac hinh anh

Trang Bang 1 : Mot so chuan ket noi thong dung hien nay 10

Hinh 1.1: He thong mang ciia hang DIXELL 12

Hinh 1.2 : He thong mang cua hang Smith 13

Hinh 1.3: He thong mang cua hang Jumboswitch 14

Hinh 2.1 Mach ddng ho dung IC thdi gian thirc DS1307 17

Hinh 2.2 Mach cam bien nhiet do dung IC LM335 18

Hinh 2.3 Mach cam bien dong va bat tin hieu ngat 18

Hinh 2.4: Mach vi dieu khien dieu khien thiet bi va luu trii dii lieu 20

Hinh 2.5: Mach dieu khien, mach do dong, nhiet do, mach nguon 21

Hinh 2.6: Mach Switch 8 port 23

Hinh 2.7: Mach Bridge 8 port 24

Hinh 2.8: Cau true 1 mang ST 26

Hinh 2.9: Bieu do nhiet do va dong dien hoat dong cua may dieu hoa tai phdng do

dien nao do 28

Hinh 2.10: Bieu do nhiet do va dong dien hoat dong cua may dieu hoa tai phdng

cap mau 29 Hinh 2.11: Bieu do nhiet do va dong dien hoat dong ciia may dieu hoa tai phong

sieu am 1 30 Hinh 2.13a: So do ket noi toan he thong tai phong VTTB (lau 1 khu hau can) 35

Hinh 2.13b: So dd ket noi he thong dieu khien may hut trung tam va may dieu hda

khoaHSCC 36

Hinh 2.13c: So dd kdt noi he thdng dieu khien may dieu hoa khoa Xet Nghiem

Huyet Hoc (tang 1 khu 3 tang) 37

Hinh 2.13d: So d6 kit ndi he thong dieu khien may dieu hoa khoa Chan Doan Hinh

Anh 38

Hinh 2.13e: So dd kk ndi he thdng diSu khiln may dieu hoa khu cip cuu (phdng

noi soi) 39 Hinh 2.14a: Mach di6u khiln, do dong chay, dong khdi dong, nhiet do va mach

ngudn sau khi ve xon^ 40

Hinh 2.14b: Mach dieu khiln, do dong chay, dong khdi dong, nhiet do va mach

ngudn sau khi lap rap 41

Hinh 2.15a: Mach vi dieu khien va hien thi sau khi ve xong 42

Hinh 2.15b: Mach vi dieu khien va hien thi sau khi lap rap 43

Hinh 2.15c: Bo Controller sau khi dugc ket noi 44

Hinh 2.15d: Bo Controller da hoan thanh va dong hop 45

Hinh 2.16a: Mach Bridge 8 port sau khi ve xong 46

Hinh 2.16b: Mach Bridge 8 port sau khi lap rap 47

Hinh 2.16c: Mach Bridge 8 port hoan thanh va dong hop 48

Hinh 2.17a: Mach Switch 8 port sau khi ve xong 49

Hinh 2.17b: Mach Switch 8 port sau lap rap 50

Hinh 2.17c: Mach Switch 8 port hoan thanh va dong hop 51

4

Hinh 2.18a: Mach HUB 16 port sau khi ve xong 52

Hinh 2.18 b: Mach HUB 8 port hoan thanh va dong hop 53

Hinh 2.19: He thing mang cua hang DIXELL 54

Hinh 2.20 He thdng mang XWEB5000 55

Hinh 2.21 He thong mang ST 56

Dien Giai Tu- Viet Tat Va Tieng Anh

: Xet nghiem huyet hoc : X-Quang

Eraser Programm ROM; Bo nha chi doc co the xoa dugc Ground; ndi dat

: Tren chip : Personal Computer; may tinh ca nhan : Cdng

: read/write; dgc/ghi : Random Access Memory; bg nhd truy cap ngau nhien : Chuong trinh ung dung dieu khien may tinh tir xa : Read Only Memory; bg nhd chi dgc

:Chu :Td : Structured Query Language; Ngon ngil truy vin cc true

: Chuyen mach : Transistor Transistor Logic : Dung

CHUONGI TONG QUAN

L DAT VAN DE

Tai Benh Vien Da Khoa Tinh Khanh Hoa hien dugc trang bi nhieu may mdc hien dai de phuc vu cong tac kham, chiJa benh, phuc vu nhu cau sinh hoat cila benh nhan va nhan vien benh vien Tuy nhien mot sd thiet bi cdng cong nam rai rac tai cac khoa phong rat kho kiem soat qui trinh hoat dgng ciia chung, din den hu hong thiet bi, anh huong den sue khoe ciia con ngudi, thit thoat dien nang nhu: thiet bi dieu hoa nhiet do, he thdng say la, he thdng hut trung tam Cu the:

- May dieu hoa tai cac khoa, phdng benh nhan, phdng may nhan vien thudng dieu chinh che do lanh khdng hgp ly dan den may dieu hoa chay lien tuc, do chenh lech giua mdi trudng ben trong phdng va ngoai phdng qua cao anh hudng den sue khoe, ddng thdi may dieu hoa kho dap ung dugc, dan den hdng thiet bi

- Tram hut trung tam dung cho 4 khoa: Phdng md, Khoa Nhi, San, Hdi Sue Cap Cuu, do ngudi dung lau lau quen dong van Sau khi thuc hien hut hoac ddng van khdng het, dan den hien tugng rd ri lam may hut chay lien tuc lam tdn that dien nang, giam tudi thg ciia thiet bi va gay hu hdng

- He thdng siy la cua Khoa Chdng Nhiem Khuan: Day la he thdng su dung ngudn dien cdng suat Idn, neu quy trinh su dung khdng diing, thdi gian sir dung keo dai dl din den hien tugng chay, chap dien

- Tir nhu clu thuc tl do, cin phai nghien cuu dua thiet bi nay ket ndi vdi mot may tinh tai trung tam nhlm tan dung nhiing uu diem cua may tinh kiem soat, dilu khiln thilt bi chSt che hon, han chi nhiing tac ddng sai sdt neu tren, bao ve thilt bi khdi hu hdng, nang cao tudi thg ciia thiet bi, tiet kiem dien nang

Nam 2004, Benh vien da khoa tinh Khanh Hda da dugc UBND tinh, sd KHCN

cho tiln hanh nghien cuu dk tai: "Xay dung he thdng kilm soat va dieu khien thiet

bi cdng cong tren mang may tinh" dk tai da dugc hoi ddng khoa hgc tinh Khanh

Hda nghiem thu thang 03/2006 va dugc danh gia dat loai kha D I tai da dat dugc cac ket qua sau:

a Kilm soat chat che thilt bi, nang cao muc an toan trong sii dung thilt bj

- Vdi mot sd thdng sd nhu nhiet do phdng lam viec, ddng chay ciia may dugc dua

vl vi xii" ly va may tinh da giiip cho ngudi sii" dung, can bg ky thuat cd day dii cac ylu td cin thilt dl theo do! qua trinh hoat dgng ciia may Tai trung tam, can bg ky thuat cd thi phat hien kip thdi va dilu chinh lai thong s6 nlu nhu ngudi sii dung cai dat sai, khong phu hgp

- Trong thdi gian ngan chay thii tai benh vien, he thdng da giiip dam bao cho toan

bd 15 phdng khoa Chan doan hinh anh, 7 phdng khoa Cap cuu luu duy tri nhiet do tir 25°C trd len

- Vdi thdng sd ddng dien truyen tu he thdng hiit trung tam len may tinh so sanh vdi

bd thdi gian ciia chuong trinh, ngudi can bd ky thuat da co the kiem tra theo ddi qua trinh hoat dgng ciia may hiit Neu he thdng bi hd hoac ngudi su dung quen tat cac van hiit tai cac khoa, can bg ky thuat se phat hien thay va tien hanh kiem tra he thdng hoac cd the cat may neu thay can thiet

- Vdi he thdng may say, la tai khoa Chdng nhiem khuan, can bd ky thuat cd the giam sat dugc qua trinh boat dgng ciia may ddng thdi theo ddi dugc miic do tda nhiet tu cap dan dien ciia he thong, qua do cd the xii ly dugc ngay neu cd sir cd xay

ra hoac ngudi sii dung sii dung sai muc dich (chay may trong thdi gian nang rao, chay may ngoai thdi gian lam viec de phuc vu ca nhan) Vdi phuong phap ket ndi nhu de tai toan bg he thdng bao ve cii van dugc giU nguyen ket hgp vdi mot sd bao

ve mdi nhu bao ve qua dong qua nhiet, he thdng se dugc bao ve an toan hon

Qua thdng sd ddng hoat dgng ciia may, can bg ky thuat cd the chan doan sdm mot sd benh ciia thiet bj nhu:

- Ddng may chay cao ma nhiet do phdng khdng xudng, may cd the bi do ban, tac nghen dudng din gas vv

- Ddng may chay binh thudng ma phdng khdng dat do lanh hoac cham dat do lanh, may cd the bi do ban dan lanh

- May chay ddng thap, may cd the bj thieu gas

- May chay ddng cao do lanh dat binh thudng cd the nap du gas.v.v

b Nang cao hieu qua su dung thilt bj va hieu qua phuc vu benh nhan

- Trong qua trinh theo ddi sau khi ISp dat he thdng mdi, do dieu chinh dugc cac thdng sd nhiet do ciia phdng may phu hgp (tu 25°C - 28°C), may dilu hda hoat dgng dn dinh, cd thdi gian nghi khdng nhu trudc day nhieu may chay 24/24 do thdng sd cai dat may qua thap gay ra thit thoat dien nang

- Mot sd may dilu hoa khi kit ndi vao he thdng da phat hien ra tinh trang thilu gas, do dan ndng nen can bg ky thuat da khic phuc ngay dam bao cho may dilu hda hoat dgng diing ehl do tranh tinh trang may chay mai ma nhiet do phdng khdng ha xudng

- Vdi nhiet do phong dugc duy tri tu 25°C - 26°C, ngudi sii dung va ngudi benh se khong bi tinh trang qua ndng hay qua lanh

- Vdi viec sii dung hgp ly diing cac thilt bj, ngoai tac dung nang cao tuoi thg, giam hu hdng cho thiet bj cdn cd tac dung tiet kiem mot lugng dien nang Idn

c Thuc hien tu ddng hda trong sii dung va bao quan thilt bi

He thdng dilu hda ciia khoa CDHA va khoa CCL (gdm 29 may) He thdng hiit trung tam, he thdng sly, la (2 may sly,^ 1 may la) ciia khoa CNK dugc ndi vao he thdng cua de tai, bang phan mem da viet cac thilt bi nay se thuc hien dugc chi do ddng md tu ddng khi can thiet Tu ddng ngit khi cd sir c6 va gui cac canh bao vl trung tam de ngudi quan ly nim bit dugc kha nang hoat dgng cila thilt bj

Vdi uu dilm vugt trdi ciia may tinh, he thdng kilm soat va dilu khiln thilt bi tren mang may tinh cdn cd the dieu chinh kip thdi cac yeu cau theo diing nhu cau ciia ngudi sii dung mot each linh hoat, thuan tien, de dang hon cac he thdng don le hien nay Ve mat dien nang, ngudi quan ly cd the dieu hda giiia cung va cau mot each hai hda,hgp ly Ndi chung de tai co ban da giai quyet dugc cac muc tieu de ra

<• Tuy nhien he thdng cdn mot sd van de han che va mot sd van de chua dugc nghien ciiu can phai tiep tuc nghien ciiu nhu sau:

> Mot sd van de can nghien ciiu tiep:

- Mang da nghien ciiu chi trien khai tren dien hep khi md rdng se trd ngai ve mat ky thuat ciing nhu tdn kem ve mat kinh te (phai tang nhieu may tinh va he thdng trd nen rdi ram phiic tap khdng kha thi trong thuc te) Cu the:

+ 1 HUB da nghien ciiu hien nay chi cd 16 port « quan ly dugc 16 khu vuc (phdng) Nhu vay neu sd khu vuc tang len thi HUB khdng dap ling dugc can phai trang bi them may tinh va phai viet them chuong trinh bd sung Nhu vay ca phan cung lln phan mem chi ung dung dugc trong 1 pham vi nhat dinh vdi sd lugng khu vuc han che

+ Neu ap dung 1 sd chuan thdng dung hien nay thi ciing chi quan ly 1 sd lugng thiet bi nhu sau:

SLEW-RATE LIMITE

No Yes

No Yes Yes

No

No

LOW-POWER SHUTDOWN Yes

No Yes

No Yes

QUIESCENT CURRENT (HA)

Nhu vay, khi triln khai he thdng tai benh vien theo chuan nay ciing khdng giai quyet dugc van de da neu ra

10

- Tat ca cac thdng sd ciia thilt bi trong he thdng da nghien ciiu tai benh vien da khoa tinh Khanh Hda hien nay khi chuyin len may tinh chi thiy dugc nhUng gia tri tiic thdi khi ngudi sii dung md may tinh xem Chua luu dugc thdng sd ciia thilt bi trong 1 khoang thdi gian nhit dinh

Vi vay dk dua vao ling dung mot each hieu qua cin tilp tuc nghien ciiu he

thdng vdi dly dii Bridge, Switch cung vdi chuong trinh ciia he thdng (tuong duang

1 mang LAN) va chuong trinh quan ly thdng sd cac thilt bi trong he thdng trong qua trinh thiet bj hoat ddng

- Van de bao mat cua he thong chua dugc nghien ciiu

> Mot sd van dk cdn ban ehl cin hoan thien :

- Cac hinh thiic canh bao chua dugc tdi uu

- Cac dO" lieu dieu khien truyen xudng cac Controller tai cac khoa phdng khdng luu tril dugc khi mit dien phai mit cdng cai dat lai

- Phan mem chua hoan thien, chua tien ich

- Controller dat tai cac khoa thiet kl cdn don gian it tinh nang, kha nang ling dung chua cao

- Viec dat may tinh tai cac khoa qua thdi gian su dung bdc Id nhieu bat tien, nhan vien tai khoa hay sii dung may tinh vao muc dich khac hoac tat may do

dd trung tam khdng truy cap vao he thdng cua khoa dugc

- He thdng khdng ghi lai dugc cac dir lieu trong qua trinh hoat ddng do dd han che viec danh gia tinh trang hu hdng cua thiet bj cung nhu nhung yeu td cd the dan den hu hdng thiet bi mot each hieu qua, lam giam dang ke cac tien ich cua

he thdng

1 Tinh hinh nghien cuu ngoai nu-dc:

Hien nay d cac nude cd nen khoa hgc tien tien viec kiem soat cac thiet bi tren may tinh da trd thanh phd bien Cac thiet bi tai cac co sd san xuat, cac sieu thi, cac

CO sd ddng lanh, trung tam dieu phdi giao thdng, dieu phdi dien nang vv deu

da dugc ket ndi vdi may tinh hoac lien ket thanh mang Tat ca boat ddng ciia he thdng dugc dilu khiln tai mot trung tam thdng qua may tinh hoac nhieu may tinh trong he thdng mang Thdng qua may tinh cac thiet bi dugc kiem soat chat che ban, chinh xac hon va tam kiem soat dugc md rdng hon dap ling dugc day du cac yeu cau ddi hdi ciia ky thuat va yeu cau sii dung thuc te Cd the tham khao he thdng ciia mot so hang cd cau tnic tuong tu cd kha nang dap ling dugc yeu cau ma

de tai da dua ra

11

• He thong mgng h§ng DIXELL

Hang DIXELL c6 nhieu he thong dieu khien co the ket noi vdi may tinh va kiem so^t dirge tu trung tam nhu XJ500, WebBOO, WebSOO, Web3000,Web5000 Trong do he thdng WebSOOO la san pham mcri nhit ciia hang (Xem Hinh 1.1)

Intranet/Internet connection linking capabilities

0

M

PORTASLE PHONE

I ») (« '« 0) (« £ ')) («

LOCAL PC

STANDARD BRCWSER

SMARTPHONE

REMOTE PC STANDARD BROWSER

Hmh 1.1: He thdng mgng cua hang DIXELL (hinh nguon tu dia chi

http ://www weissinstruments com/XWEB500 pdf)

12

Theo tai lieu gidi thieu, he thdng XWeb5000 bao gdm:

- 01 mang RS485 kit ndi cac Controller vdi bd XWeb5000

- 01 bd XWeb5000 de lien ket vdi may tinh thdng qua internet Tdi da XwebSOOO kiem soat dugc 247 Controller bd Xweb5000 cd clu true tuong duong mot may tinh cd tdc do IGHZ, d ciing 80GB

- Mot may tinh lien kit vdi XWebSOOO

' f \ r r

Cau tnic ciia he thdng nay ve ca ban gidng vdi cau tnic da thuc hien giai doan 1 (bd Xweb5000 tuong duong 1 may tinh dat tai cac khoa) do dd neu trien khai he thdng nay tai benh vien se mac phai 1 sd van de da neu nhu gia thanh dat ngoai ra phai phu thugc vao phan mem lan phan ciing ciia hang, khdng tan dung dugc ket qua ciia giai doan 1, khdng trien khai dugc 1 sd ling dung theo y mudn

• He thdng mang ciia hang Smith

VIRTUAL RS485/422 EXAMPLE VIRTUAL RS232/RS48S/RS42Z NETWORK

LAN OR WATi using

ETHERNET

This Could be Internet with 1000's

of miles distance behveen X P C 0 M 1 units

TCP INTERNET BRIDGE

R S 4 8 5 / R S 4 2 2 NETWORIt

R S 4 8 S / R S 4 2 2 NETWORK

c

XPCOMl UDP LAN NETWORK

Hinh 1.2 : He thdng mang ciia hang Smith (hinh ngudn tu dja chi

http://www.rs485.com) Hang Smith thilt kl cac Xpcoml dl kit ndi vdi nhilu mang rs485/422 thdng qua internet hoac thdng qua mang cue bd He thdng mang nay vl qui md cd the trien

13

khai rdng khdng ban che ve sd lugng, cau tnic mang don gian de thuc hien tuy nhien khi ling dung tai benh vien vln gap phai 1 sd trd ngai nlu sd lugng tang len vai tram thiet bi se lam cho mang benh vien bi cham tre dan^ kl, kha nang bao mat

he thdng se rat khd, ngoai ra van bi phu thuoc ca phin mem va phan cung, khd trien khai cac ling dung theo y mudn (Xem hinh 1.2)

• He thdng mang ciia hang Jumboswitch

Hinh 1.3: He thdng mang ciia hang Jumboswitch (hinh ngudn tu dia chi

http://www.jumboswitch.com/TC3847-3.html) Hang Jumboswitch thilt ke cac bd tc3 847-3 cd 4 kenh rs485 nham thiet lap cac bd tc3847-3 khac tao thanh mang dien rdng dieu khien, cai dSt, quan ly cac relay bao

ve thdng qua web, cau tnic he thdng mang nay gan gidng vdi hang Smith (Xem hinh 1.3)

2 Tinh hinh nghien cihi trong nude

Tai Viet Nam mot sd he thdng theo ddi, dilu khien giao thdng, cac sieu thj, cac

he thdng ddng lanh Idn ciing cd nhilu noi dugc ket ndi vdi he thdng may tinh trung tam Tuy nhien, cac thilt bj nay dlu nhap ngoai, chua thay tai lieu nao ndi ve mot

he thdng tuong tu do Viet Nam san xuat

• Trong lanh vuc y te:

Tai cac benh vien Ion nhu Benh vien Chg Ray, Benh vien Bach Mai, Mdi chi

cd cac he thdng mang quan ly eo sd du lieu Van de nghien ciiu quan ly thiet bi cdng cdng dua vao kilm soat, dieu khien tren may tinh va mang may tinh chua duoc dau tu

14

i n NOI DUNG NGHIEN CtTU, PHlTONG PHAP NGHIEN CLTU, MUC

TIEU DE TAI

1 Muc tieu de tai:

Md rdng pham vi kiem soat thiet bi ciia he thdng

Bao dam kiem soat tu dgng hda toan bd he thdng

Nang cao va hoan thien phan mem dieu khien giam sat tap trung toan bd he thdng

- Nghien ciiu phuong an bao ve mang cho he thdng

- Ket ndi he thdng mdi vdi he thdng cii da nghien ciiu thanh mot mang dien rdng kiem soat bang mot may tinh duy nhat

- Lap chay thu nghiem trong benh vien, danh gia hieu qua he thdng dugc nang cap so vdi he thdng cii

3 Phu'cng phap nghien ciru de tai:

Phuong phap phan tich nghien ciiu thii nghiem ky thuat

- Nghien ciiu cac tai lieu sin cd, phan tich so sanh vdi dac diem thuc te tii thiet

bi sin cd tai benh vien, dh ra giai phap thilt kl, phu hgp vdi tinh hinh thuc te

tai benh vien

- Tu nghien ciiu nhiing van de khdng ed tai lieu

- Thuc hien chay thii nghiem, phan tich so sanh tim ra giai phap tdi uu

4 San pham de tai:

- Phan mem may tinh giam sat va dieu khien

- Mot sd phan ciing dac hieu dung cho he thdng

15

C H U O T V G II

KET QUA NGHIEN ClTU

I KET QUA DAT DUgfC

Sau mot nam nghien ciiu de tai da xay dung dugc mot he thdng mang chuyen dung de kiem soat, dieu khien thiet bi (tac gia tam ggi la mang ST) He thdng mang

cd the ket ndi kiem soat va dieu khien khdng gidi ban cac thiet bi neu ket ndi nhieu may tinh vdi nhau theo mang cue bd hoac mang internet Mang ST cd the kiem soat, dieu khien may dieu hda, may sly, tram hiit trung tam, cac ngudn dien, cac relay bao ve, he thdng chieu sang cdng cdng, he thdng bao chay mot each linh boat theo y mudn eiia ngudi sii dung thdng qua phan mem va each ket ndi thiet bi vdi Controller ( bd dieu khien ) He thdng nay cd kha nang truy cap theo ddi, dieu khien tren may tinh thdng qua mang internet vdi mot phan mem ling dung nhu da

• nghien ciiu trong giai doan mot He thdng nay bao gdm:

• Cac Controller dat tai cac khoa phdng cd cdng dung kiem soat, dieu khien thiet bi dieu hda, tram hiit trung tam, may say, bao chay

• Cac Switch, Brigde, Hub tao thanh mang dien rdng kiem soat dugc 3072 thiet bi cho mot may tinh (vdi cau tnic mang da lap tai benh vien) va len den

32768 thiet bi neu md rdng het kha nang ciia mang da nghien ciiu

Mang ST kit ndi vdi nhau bing may tinh thdng qua mang Ethernet hoac internet Sd thilt bi dugc kiem soat bang sd thiet bi ciia 1 mang ST nhan vdi

sd mang ST ket ndi vdi nhau

He thdng mang nay cd nhung ndi dung dugc nghien ciiu nang cap vdi nhiing ndi dung dugc nghien ciiu mdi nhu sau:

1 Vin de nang cSp Controller

Controller dat tai cac khoa phdng dugc nghien ciiu va ehl tao nang^cap thanh 2 loai cd thi tam ggi la Controller gian tilp va Controller true tilp, mdi ConUoller gdm 2 board mach ed cac dIu cam biln nhiet dg va cam bien ddng, moi mot Controller kilm soat dugc 3 thilt bi, 2 thilt bi dilu hda nhiet do, 1 thilt bj bao khdi Controller nay cd thi dilu khiln cac thilt bi khac bing each thay ddi each kit ndi thilt bi vdi cdng cd sin ciia Controller sau do khai bao lai tren phan mem he thdng

1.1 Controller gian tiep

Controller nay vl ca ban gidng Controller dugc nghien ciiu trong giai doan mot, khi kit ndi vdi thilt bi thi kit ndi noi tilp, thilt bi se boat dgng dugc khi

•

16

cac thdng sd ciia ngudi sii dung va thdng sd ciia trung tam nam trong ciing 1 mien (da dien giai trong de tai trudc)

- Controller nay dugc nghien ciiu va lap dat them IC thdi gian thuc DS1307 nham luu trii cac gia tri cai dat khi mat dien, luu trir dugc ngay gid he thdng (Xem hinh 2.1)

SCL VBAT VCC

SDA SQW/OUT

Hinh 2.1 Mach ddng hd diing IC thdi gian thuc DS 1307

- Cac vi dilu khiln ciia Controller dlu cd mot dia chi rieng nen thuan ti$n khi cai dat va khdng phu thugc vao phuong phap ket ndi song song hay ndi tiep vdi

he thdng mang (ket ndi dugc theo chuan RS488)

- DIU cam biln nhiet do dugc thay bing IC LM335 (xem hinh 2.2) cd gia thanh

re hon hang tram lln dlu dd cua hang DIXELL ap dung trong dl tai trudc ma

do chinh xac van bao dam (xem gidi thieu dae tinh IC LM335 d phin phu luc)

17

VR47

lOk

VR49 10k

R53 1,2k

-^~6_

den kenh 1 ADC0e09

Hinh 2.2 Mach cam bien nhiet do diing IC LM335

- Mach do ddng dugc cai tien lai nhd ggn de lap dat, cudn do ddng dugc lap dat ngay tren board mach (xem hinh 2.14b), mach do ddng mdi cd kha nang kiem soat dugc ddng khdi dgng may dieu boa, dir lieu ciia ddng khdi ddng dugc ghi lai, luu tren vi dieu khien va luu vao co sd dir lieu tren may tinh.(Xem hinh 2.3)

CIO lOOUF"

V R T I tOOK.t/^

Tlil84 U2JB

s R60 U21C < IK

021 CI8U

<lenker,h2«JC0309

Tin hieu bao ngat

Hinh 2.3 Mach cam biln ddng va bat tin hieu ngat

1.2 Controller tr\rc tilp

Controller true tiep dugc thiet ke mdi nhung van dua tren nen tang ciia Controller da nghien ciiu giai doan mot Controller nay chi danh rieng de kiem soat va dieu khien thiet bj may dieu hda Controller nay cd mot mach ghi thdng

sd true tiep vao vi mach ciia may dieu hda cu thi la vao IC 24xx, ddng thdi ciing dgc dugc thdng sd ciia ngudi sii dung cai dat trong vi mach Vdi bd mach nay trung tam cd the dieu khien dugc ca cac che do chay lanh, tdc do quat, canh gid, cac mode ciia may dieu hda tir trung tam Cac thdng sd truyen xudng vi mach ciia may dieu hda va quyen kiem soat do chuong trinh trong may dieu hda khdng che, trung tam chi theo ddi boat ddng thdng qua bd cam bien ddng, cam bien nhiet do Ngoai chiic nang khac biet tren Controller true tiep ciing cd cac mach va chirc nang nhu mach dieu khien gian tiep nhu sau:

- Cd IC DS1307 nham luu trir dugc cac gia tri cai khi mat dien, luu trir dugc ngay gid he thdng

- Cac vi dieu khien cua Controller deu cd mot dia chi rieng

- Dau cam bien nhiet do dugc thay bang IC LM335

- Mach do ddng dugc cai tien lai nhd ggn de lap dat, cudn do ddng dugc lap dat ngay tren board mach

- Mach do ddng mdi cd kha nang kiem soat dugc ddng khdi ddng may dieu hoa, dii lieu cua ddng khdi ddng dugc ghi lai, luu tren vi dieu khien va luu vao co sd dir lieu tren may tinh (Xem so dd tdng the Controller qua hinh ve 2.4 va 2.5)

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s; l ^ C I B I S I

R 4 3 - J _ K Q1B } S A t O I » I

2 Che tao mdi cac Bridge, Switch cd tac dung md rpng he thdng ddng thdi tang them he so khuech dai tin hieu du-dug truyen

Cac Bridge, Switch (Xem hinh 2.6 va 2.7) cd cac dia chi rieng de cai dat va truy cap de dang, thuan tien khi ket ndi vao he thdng, ngoai ra cac Bridge, Switch, Hub edn cd nhiem vu tuong duong mot Repeater da port khuyech dai tin hieu Cac Bridge, Switch ket hgp vdi Hub, vdi Controller dat tai cac khoa phdng ciing vdi phan mem tao thanh mot mang chuyen dung tam ggi la mang ST, cac mang

ST nay neu ket ndi voi nhau thdng qua may tinh nhu phuong phap giai doan mot

se kiem soat duac vd sd thiet bi

22

Pn6ng VTTB 8V l«n titiarti Hoa

Hinh 2.6: Mach Switch 8 port

23

So do mach BniQa • S Ktu

PnMig VTTB 8V IvVi Khann Hoa

m m d a n«:amba.tM TOM b « « ol t r^,

Hinh 2.7: Mach Bridge 8 port

3 Chu"0"ng trinh viet bing ngdn ngfr Assembly cho Hub, Bridge, Switch, Controller

- Nang cap chuong trinh Hub, Bridge, Switch nhan va xii ly theo ma lenh mot each linh boat Do dd vi?c ket ndi he thdng khdng phai cd dinh nhu trudc day, khdng phu thugc vao each dau ndi song song hay ndi tiep

Ddi vdi chuong trinh vi dilu khiln tren Controller:

+ Cd ma dja chi rieng de truy cap tang tinh bao ve cho he thdng

+ Cd them chuong trinh nhap du: lieu vao vimg nhd ciia IC 24XX tren may dilu hda giup he thdng cd the dieu khien may dieu hda hoan toan tren may tinh trung tam

+ Cd them chuong trinh nap tir may tinh, thdi gian, cac thdng sd nhiet do, ddng khdi ddng, ddn^ chay tren IC DS1307 hoac IC 24xx giiip khdng bi mat dir lieu khi mat dien hoSe tat he thdng

+ Them chuong trinh dgc va ghi lai ddng khdi ddng, ghi lai sir cd truyen tin hieu bao chay ve trung tam

4 Xay dung he thdng:

- Da thiet ke dugc cac Controller, HUB, Bridge, Switch tao thanh mang dien rdng ST (Xem hinh 2.8) neu ket hgp vdi cac may tinh se tao ra mot mang kiem soat khdng ban che sd lugng cac thiet bi Vdi tdc do truyen la 1 lOKb/s khoang each > 1,2km, hien dang thii nghiem cac Bridge 8 port, HUB 16 port Switch 8 port 01 Controller kilm soat 03 thilt bi nhu vay tdng sd thiet bj cd dugc kiem soat la:

26

5 Xay dung hf thong bang ma hoa

De kiem soat hang chuc ngan thilt bi tren mot he thdng mang cue bd nhu vay can phai cd cac dia chi ciia cac Controller, dia chi cac thiet bi De tai da xay dung cau tnic bang ma gdm 4 ldp:

Ldp 1 cho cac Bridge

Ldp 2 cho cac HUB

Ldp 3 cho cac vi dieu khien

Ldp 4 cho cac thiet bi

Ma khu Ma khoa hay tang Ma phdng | Ma thiet bi

Vdi 1 Byte 8 Bit sd ma len den 4.294.967.296, nhu vay thira cung d p cho he thdng gdm: Switch 16 port; Bridge 16 port; Hub 16 port; bd Controller 8 thiet bi (Tdng sd thilt bi la 32.768)

6 Chuffng trinh phan mem may tinh

- Tao mot phan mem cho he thdng mang chuyen dung ST kiem soat, dieu khien quan ly din 3072 thilt bi (cd thi md rdng din 32.768 thilt bi) Chuong trinh cho phep cai dat cac Hub, Bridge, Switch, Controller mot each linh boat

- Quan ly dugc dii" lieu cua thilt bi, nhiet do phdng dat may, ddng khdi ddng (ddi vdi may dilu hda), ddng chay cua thiet bi tren co sd SQL Server

- Kilm soat cac sir cd dac biet nhu bao chay, thiet bi chay qua ddng

- Ve bilu dd ddng dien boat ddng cua thilt bi, ddng khdi ddng tai phdng do dien nao (xem hinh 2.9), nhiet do va ddng dien boat ddng cua may dilu hda tai phdng d p mau (xem hinh 2.10), nhiet do va ddng dien boat ddng cua may dilu hda tai phdng sieu am 1 (xem hinh 2.11)

27

Bieu do nhiet dp va dong di?n ho?it dgng cua may dieu hoa t ^ phong do di$n nao do

-Dong ch9y cua thiet bi

- Nhi^t dp khong chfi

- Dbng ch^y cua thSil b| Dong danh d M i

N i i ^ dp khong chii f M $ t d$ tpi phong

D6ng danh d|nh trSn

Hmh 2.10

29

Bilu dd nhi$t dg va dong di?n ho^t dgng cua may dieu hoa tgi phong sieu am 1

D6ng ch^y cua thiSt bj

IMpt d? khong die

- Dbng danh d^h Niilt d6 tai phdng

Dbng danh ^^nh tr6n

Hmh 2.11

30

Cai dat cac thdng sd nhiet do, ddng chay, thdi gian, tat, md thiet bi true tiep tir tren may tinh xudng cac Controller va xudng true tiep vi mach cua may dieu hoa

Chuong trinh linh boat tuy theo ky thuat vien cai dat nhu ten thilt bi, ten khu vuc, ten khoa phdng, v v

Mot sd so dd thuat toan

• Thuat toan chay thudng true ciia he thdng

ma lenh

•y '

Vi dieu ichien nhan ma lenh

1 f

Vi dieu khien giii du lieu

1 '

May tinh xii ly dir lieu

31

Thuat toan truy cap he thdng

Bat dau

Chon dudng dan

Yes Truyen lenh tir may ti'nh

Yes

Vi dieu khien truyen du li?u

May tinh xu

ly du lieu

Hien thi

Thoat chuong trinh

No

32

Thuat toan chuong trinh dieu khien thiet bi cua h? thdng

Bat dau

Chon dudng dan

Yes Truyen lenh tu" may tinh

\ Yes

Vi dieu khien thuc hien lenh

' r

Thoat chuong trinh

33

7 Phuffng phap bao ve

- He thdng dugc xay dung dua tren mot giao thirc rieng vdi 4 ldp dia chi nen kha nang truy cap ngau nhien xudng cac thilt bj la rit khd

- Cac dii" lieu cua he thdng dugc quan ly tren SQL Server vdi nhirng phan viing

cd ma truy cap rieng biet, tinh bao mat cao

- Cac ky thuat vien khi truy cap cai dat phai cd ma khoa rieng mdi truy cap dugc

8 San pham ciia de tai

Hien nay he thdng ciia dl tai da dilu khiln va kilm soat tit ca 27 may dilu hda,

01 tram hiit trung tam va 02 may sly Trong dd cd 03 may dilu hda phdng ndi soi khu CCL, 03 may dilu hda khoa XNHH, 02 may dilu hda khoa HSCC va

19 may dieu hoa khoa CDHA

San pham ciia de tai bao gdm:

- He thdng kilm soat, dilu khiln lip dat tai khoa CDHA, CCL, XN, HSCC (xem so dd he thdng hinh 2.13a, 2.13b, 2.13c, 2.13d , 2.13e)

- Mach dieu khien thiet bi, do ddng, nhiet do, bao chay sau khi nang cap (mach Controller 1) (xem hinh 2.14a va 2.14b)

- Mach vi dieu khien sau khi da nang cap (mach Controller 2) (xem hinh 2.15a va2.15b)

- Bd Controller sau khi da ket ndi va hoan thanh ddng hop (xem hinh 2.15c va 2.15d)

- Mach Bridge thiet ke mdi (xem hinh 2.16a va 2.16b)

- Hop Bridge sau khi da hoan thanh ddng hop (xem hinh 2.16e)

- Mach Switch thiet ke mdi (xem hinh 2.17a va 2.17b)

- Hop Switch sau khi da hoan thanh ddng hop (xem hinh 2.17c)

- Mach Hub nang cap (xem hinh 2.18a)

- Hop Hub sau khi da hoan thanh ddng hop (xem hinh 2.18b)

- Phin mim vilt bing ngdn ngii assembly nang cap cho Controller, Hub va viet mdi cho Bridge, Switch

- Phan mem may tinh viet bang ngdn ngii" Visual Basic cho he thdng mang ST

34

Hanh lang phong VTTB

IIT U» » IM

Khoa chong nhiem khuan

Hinh 2.13a: So dd ket ndi toan he thdng tai phdng VTTB (lau 1 khu hau d n )

35

Quay tap hoa

May

hilt

HUB tr^m hut tAng tret

-*r

Hanh lang khoa HSCC tang 1 khu 8 tang

W= W=

p chay than I

Tir BRIDGE phong

Hinh 2.13b: So dd ket ndi He Thdng Dieu Khien may hut trung tam va may dilu hda khoa HSCC

36

Tir BRIDGE khoa

: Mjy diSu h6a

Hinh 2.13c: So dd ket ndi He Thdng Dieu Khien May Dieu Hda Khoa Xet Nghiem Huylt Hgc (ting

1 khu 3 tang)

37

Tit Switch phong

VTTB den

p di$n nao

mm

p di$n tim

P.chup nhu anh

p tn/c

XQ

Phong doi

p Giao ban

MM

P doc film MRI

* p MP

M

p phd khoa

A

Cau thang

^

p nyi soi 2

p ve sinh

Miiy dieu hda

Hinh 2.13d: Sa dd kit ndi He Thdng Dieu Khien May Dieu Hda Khoa

Chan Doan Hinh Anh

38

lYLJlLMJlLmJlLmJlLm

Hanh lang khu kham benh

V^W\ : May dieu hoa

TIT BRIDGE khoa

CDHA den

M;ly dieu hda

Hinh 2.13e: So dd ket ndi He Thdng Dieu Khien May Dieu Hda khu cap ciru (phdng ndi soi)

39