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B GIO DC V O TO I HC NNG

NGUYN THI VIN

NGHIN CU NG DNG H THNG BMS CHO TA NH KHCH SN NOVOTEL

NNG

Chuyn ngnh : MNG V H THNG IN M s : 60.52.50

TM TT LUN VN THC S K THUT

Nng - Nm 2012

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Cng trnh c hon thnh ti I HC NNG

Ngi hng dn khoa hc: PGS. TS. INH THNH VIT

Phn bin 1: TS. TRN VINH TNH

Phn bin 2: TS. NGUYN XUN HONG VIT

Lun vn c bo v trc Hi ng chm Lun vn tt nghip thc s k thut hp ti Nng vo ngy 27 thng 10 nm 2012

C th tm hiu lun vn ti : - Trung tm Thng tin - Hc liu, i Hc Nng - Trung tm Hc liu, i Hc Nng

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M U

1. L DO CHN TI Trong thi i ngy nay vic xy dng cc to nh cao tng

lm cng s, trung tm thng mi, khch sn,ngy cng tr nn ph bin. Chng ngy cng tr nn hin i, tin nghi phc v cc yu cu ngy cng cao ca con ngi. Gii php kt hp h thng cc thit b c in s dng trong to nh vi cng ngh t ng ho nhm em li kh nng t hot ng (h thng thng gi, h thng chiu sng,) khng cn l iu mi m na. Tuy nhin vn sng cn ca gii php ny li nm ch lm sao c th qun l chng trong mt h thng thng nht. Cc h thng t ng ho to nh (Building Managerment System - BMS) ra i gii quyt bi ton ny.

Hu ht cc ta nh cao tng Vit Nam hin nay u khng c trang b h thng qun l ta nh thng minh. Khi c trang b h thng ny, tt c cc h thng iu ha, bo chy, c iu khin tp trung, tng tc bi h BMS. Cc h thng c tch hp y h thng thng tin, truyn thng, v t ng ha vn phng. y l loi nh thng minh. Cn gi l cc ta nh hiu nng cao, ta nh xanh, ta nh cng ngh cao, ta nh c nhng chc nng c bit nh bnh vin, c quan trung ng, nh quc hi, chng ta c th thy thc trng v h thng nh cao tng ca chng ta phn ln cha c trang b h thng BMS. Nu xt v mt cht lng v hiu qu s dng ca cc ta nh th cha t so vi yu cu t ra cho cc ta nh . Do cn nghin cu v ng dng h thng BMS cho cc ta nh.

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2. MC CH NGHIN CU Nghin cu h thng BMS ng dng iu khin, gim st,

qun l cc thit b c in trong mt ta nh cao tng, gip cho vic vn hnh, bo dng v qun l ta nh mt cch thun tin, an ton v tit kim. 3. I TNG V PHM VI NGHIN CU

i tng nghin cu l h thng t ng ha BMS ca Siemens.

Phm vi nghin cu ca ti l m phng, vn hnh h thng BMS ca ta nh Novotel Nng. 4. PHNG PHP NGHIN CU

Nghin cu cc h thng iu khin trong cng nghip. Nghin cu cc h thng t ng ho to nh. Nghin cu ng dng h thng BMS ca Siemens. M phng, vn hnh h thng BMS cho ta nh Novotel.

5. NGHA KHOA HC V THC TIN CA TI T ng ha vn hnh cc h thng k thut ca ta nh

nhm mc ch tng tnh tin nghi, gim chi ph vn hnh, tng hiu qu hot ng, ti u ha vic s dng nng lng v m bo an ninh, an ton tng xng vi tm quan trng v yu cu ca ta nh. n gin ha vic bo li cho cc thit b, my mc v h thng. H tr truy cp n thng tin vn hnh thit b, h thng. T ng ha v chun ha qun l tin ch. Cung cp kh nng giao tip vi tt c dch v trong ta nh gip cho vic vn hnh to nh mt cch n gin, chnh xc v hiu qu.

Nhim v chnh ca h thng BMS l iu khin, gim st, qun l cc thit b c in trong mt ta nh cao tng, gip cho vic

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vn hnh, bo dng v qun l ta nh mt cch thun tin, an ton v tit kim.

Cn c vo mc ch, i tng, phm vi v phng php nghin cu. ti c t tn: Nghin cu ng dng h thng BMS cho to nh khch sn Novotel Nng. 6. B CC LUN VN

M u. Chng 1: Cc c trng c bn ca ta nh cao tng ni

chung v ta nh Novotel Nng ni ring.. Chng 2: Tng quan cc h thng iu khin trong cc ta

nh cao tng. Chng 3: Apogee Insight h thng t ng ho to nh ca

Siemens Chng 4: M phng vn hnh h thng BMS to nh

khch sn Novotel Nng. Kt lun. Ti liu tham kho. Ph lc.

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CHNG 1 CC C IM CA TA NH CAO TNG NI CHUNG

V TA NH NOVOTEL NNG NI RING 1.1 NH GI CHT LNG MI TRNG V MC T NG HA TRONG TA NH CAO TNG HIN I.

Hnh 1.1: Ta nh Novotel Nng nh gi cht lng v mt ta nh cao tng hin nay Vit

Nam v trn th gii th c nhiu tiu chun song phm vi lun vn tt nghip ny ch cp n v cht lng mi trng trong ta nh v mc t ng ha ca n em li cht lng mi trng nh mong mun ph v con ngi cng nh bo qun cc thit b trong ta nh. 1.1.1 Chiu sng nhn to. 1.1.2 Thang my phc v. 1.1.3 Phng chng chy n. a) Nguyn nhn gy ra chy trong cc ta nh cao tng hin i b) Bin php phng chng chy n trong ta nh cao tng hin i

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1.1.4 iu ha khng kh. a) Khi nim: b) Mi quan h gia mi trng v c th con ngi c) S nhim khng kh v vn thng gi d) H thng iu khin o lng ca thit b iu tit khng kh 1.2 H THNG QUN L & THC TRNG TA NH CAO TNG 1.2.1 Phn loi nh cao tng 1.2.2 H thng qun l cc ta nh 1.2.3 Thc trng nh cao tng hin i

Khong 90% s nh cao tng Vit Nam u c cc h thng c s h tng, h thng cung cp v thi nc, h thng cung cp in, h thng qut trn hoc iu ha v h thng bo chy. y l nhng ta nh loi thng thng.[1]

Khong 50% s ta nh c trang b h thng iu ha tp trung, h thng bo v v bo chy, h thng bo ng xm nhp v gim st bng camera nhng cha c h thng BMS. Tt c thit b ca cc h thng iu ha, bo chy c iu khin ring bit, cc b iu khin ny khng trao i thng tin vi nhau, khng c qun l v gim st chung v phn qun l in nng th mi mc thp. y l nhng ta nh c h thng iu khin v gim st tp trung, nhng cha c h thng BMS.

Khong 30% s ta nh c trang b h thng iu ha tp trung, h thng bo v v bo chy, h thng bo ng xm nhp v gim st bng camera c trang b h thng BMS. Tt c thit b ca cc h thng iu ha, bo chy, c iu khin ring bit v tch hp tng phn. H BMS cho php trao i thng tin, gim st gia cc h thng, cho php qun l tp trung. H BMS cho php qun l

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in nng mc cao. y l loi ta nh cao tng c trang b h thng t ng ha BMS.

Vi cc con s trn, c th thy thc trng v h thng nh cao tng phn ln cha c trang b h thng BMS. Nu xt v mt cht lng v hiu nng s dng ca cc ta nh th cha t so vi yu cu t ra cho cc ta nh . 1.3 CC C IM CA TA NH NOVOTEL NNG

Ta nh Novotel Nng c xy dng ti 36 ng Bch ng, qun Hi Chu, thnh ph Nng trn din tch 3728m2. Novotel l ta nh khch sn cao nht min Trung quy m 36 tng, bao gm khch sn 346 phng, cn h 90 phng, phng hi ngh, hi tho a chc nng, khu vc mua sm phc v khch sn, n ung v cc dch v tin ch c lin quan trung tm hi ngh hin i v h thng nh hng sang trng theo tiu chun quc t do tp on Accor qun l cng vi nhng dch v v tin ch.

Cc h thng chnh c trang b trong ta nh Novotel: H thng iu ho thng gi H thng bo chy v cha chy H thng cp - thot nc H thng cung cp nhin liu H thng in (my pht, my bin p, h thng t phn

phi) H thng chiu sng H thng thang my

1.4 KT LUN Qua phn tch thc trng v h thng qun l nh cao tng

trn, c th thy s cn thit phi trang b cc h BMS cho cc nh

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cao tng. Ngy nay, cc ta nh cao tng khng ch t tiu ch din tch s dng m cn phi t tiu ch v tit kim in nng, t tiu ch v mi trng, tiu ch v tin nghi, tiu ch v h thng thng tin, tiu ch v an ninh, ...

Ty thuc vo loi nh cao tng m cc h thng BMS phi trang b cho ph hp vi cc mc ch s dng v mi trng cc ta nh c khai thc. Cc h thng BMS ny c chun ha v c s dng rng ri trn ton th gii. Cc hng cung cp cc sn phm ny xm nhp vo th trng Vit Nam nh: Siemens, Honeywell, Yamatake,...

Sau khi trang b h BMS ny, cc ta nh s khai thc hiu qu kh nng qun l gim st v bo hiu cc s c ca h thng HVAC (h thng thng gi v iu ha khng kh) v tit kim c nng lng in tiu th cho h thng so vi trc khi lp t h thng BMS. Qua c th thy s cn thit ca h thng BMS i vi cc ta nh cao tng nh th no. Do vy, i hi cc ta nh cao tng cn phi c trang b h thng BMS gip cho vic qun l, gim st hiu qu v khai thc tin li, m bo cho mi trng sng xanh, sch p.

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CHNG 2 TNG QUAN CC H THNG IU KHIN

TRONG CC TA NH CAO TNG 2.1 M HNH PHN CP H THNG IU KHIN

H thng iu khin trong cng nghip [4] c th chia thnh 5 cp nh sau:

Cp chp hnh Cp iu khin Cp iu khin gim st Cp iu hnh sn xut Cp qun l cng ty

S dng cc h thng bus kt ni cc thnh phn trong h thng vi nhau.

Bus trng Bus h thng, Bus qu trnh Mng x nghip Mng cng ty

2.2 CU TRC V THIT B MNG 2.3 CU TRC C BN CA MT H THNG GIM ST. 2.3.1 Cu trc tp trung 2.3.2 Cu trc phn quyn 2.3.3 Cu trc phn tn 2.4 H THNG IU KHIN PHN TN DCS 2.4.1 Khi nim v h thng iu khin phn tn DCS 2.4.2 M hnh phn lp ca h thng iu khin DCS 2.4.3 Cc m hnh mng trong h thng iu khin phn tn 2.5 CC H DCS THNG DNG. 2.6 KT LUN

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Trong chng 2 trnh by tng quan v h thng iu khin bao gm: m hnh phn cp, cu trc v thit b mng, cu trc c bn ca mt h thng gim st, h thng iu khin DCS, cc h DCS thng dng. Qua c th nhn thy nhng c im ni bt ca h thng DCS:

- Kh nng qun l cc u vo/ra analog rt tt: nh cu trc phn cng v phn mm, h iu khin c th thc hin ng thi nhiu vng iu chnh, iu khin nhiu tng, hoc cc thut ton iu khin hin i: nhn dng h thng, iu khin thch nghi, ti u bn vng, iu khin theo m hnh d bo (MPC), Fuzzy, Neural, iu khin cht lng (QCS).

- Kh nng truyn thng: h tr nhiu giao thc truyn thng t cp trng n cp qun l. Hin nay cc giao thc ny c chun ho (Profibus, foundation Fieldbus)

- tin cy cao nh kh nng d phng: d phng kp tt c cc thnh phn trong h thng (Controller, modul I/O, bus truyn thng) kh nng thay i chng trnh (sa cha v download), thay i cu trc ca h, thm bt cc thnh phn m khng lm gin on, khng cn khi ng li qu trnh (thay i online).

- C s d liu trong h l c s d liu ln c tnh cht ton cc v thng nht.

- Kh nng m rng tch hp cao. - Tui th ca ng dng ln (15 -20 nm). c bit lun vn tp trung nghin cu h thng DCS l nn

tng c s cho h thng BMS. Qua c th thy rng DCS l mt gii php k thut rt ph hp cho nhng h thng ln, i hi tin cy cao, linh hot cao trong vic thay i cu trc, chng trnh ca h thng.

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CHNG 3 APOGEE INSIGHT H THNG T NG HO

TO NH CA SIEMENS 3.1 H THNG APOGEE INSIGHT 3.1.1 Gii thiu

H thng Apogee Insight cung cp mt gii php tch hp ton din cho d n Khch sn Novotel Nng vi cht lng cao. M hnh ca h thng Apogee Insight c y cc tnh nng iu khin Gim st Kt ni tch hp cc h thng k thut khc:[2]

- iu khin gim st h thng Chiller, AHU, FCUng thi kt ni tch hp bc cao vi h thng Chiller bng chun giao thc BACnet.

- Kt ni tch hp vi h thng iu khin iu ho thng gi chun giao thc BACNet, OPC, ModBus, Mbus, p ng c cc yu cu t ra trong thit k iu khin h thng ny.

- Kt ni cc tn hiu bo ng kiu im im vi h thng bo chy v cha chy, thu nhn cc thng tin bo ng chy, cha chy phi kt hp iu khin cc thit b khc trong cc h thng k thut khc.

- iu khin v gim st h thng bm nc thi, sinh hot - Gim st v o m h thng in ngun (HV, Transformer,

Genset, UPS, ACB) - Gim st v o m h thng tiu th in, nc, BTU theo

chun giao thc M-Bus, Modbus, BACnet. 3.1.2 Cu trc h thng BMS ca ta nh khch sn Novotel

- Tt c cc DDC bao gm DDC, PXC Modullar, PXC Compact s c kt ni ti mng BLN (Building Level Netwrok) thng qua mng Ethernet vi giao thc BACnet/IP.

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Hnh 3.2: Cu trc h thng BMS - Tt c cc im iu khin c kt ni trc tip ti cc

DDC v t kt ni trc tip ti my ch trung tm thng qua mng BLN BACnet/IP.

- My ch BMS c nhim v gim st v iu khin ton b cc thit b ca h thng thng qua giao din ngi dng thn thin, ngoi ra cn c chc nng chnh sa, sao lu d liu h thng. H thng cho php truy cp thng qua Internet.

- Vic tch hp vi cc h thng khc c th c thc hin thng qua cc b iu khin c h tr cc giao thc nh BACnet, Mobus, LonWorks, M-Bus

- Tt c cc b iu khin FCU s c kt ni ti mng FLN ca b iu khin DDC v c kt ni ti my ch h thng thng qua mng Ethernet vi giao thc BACnet/IP.

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Hnh 3.3: Cu trc phn cp h thng BMS 3.2 NG DNG IU KHIN QUN L 3.2.1 H thng lm lnh v iu ha khng kh 3.2.2 H thng thng gi 3.2.3 H thng gim st v o m in nng 3.2.4 H thng phng chy cha chy 3.2.5 H thng thang my 3.2.6 H thng cp thot nc 3.2.7 H thng qun l tiu th in nc BTU 3.3 KT LUN

Apogee Insight l phn mm ng dng chuyn dng c thit k cho h thng BMS chy trn nn ca h iu hnh Windows. N c thit k di dng cc chc nng c trng. Cc chc nng c th hin di dng icon mang tnh biu tng cao.

Hng ti tng lai, h thng Apogee Insight l mt h thng m, c kh nng tch hp cc phn h k thut khi chng c xy dng bng cc giao thc m, ph bin trong cng nghip nh Bacnet, LONmark, ModBus, Profibus, EIB, M-Bus, P2 ph hp vi tiu chun SSPC135/1995 ca hip hi ASHREA M v hip hi cc nh sn xut sn phm BACnet. Do vic m rng nng cp cu hnh phn cng, m rng h thng rt d dng, v cc sn phm th

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h mi cng lun tng thch vi cc thit b c lp t trong h thng BMS ca to nh v c thi gian thch ng m khng b lc hu so vi cng ngh t nht l 10 nm.

CHNG 4 M PHNG VN HNH H THNG BMS TO NH

KHCH SN NOVOTEL NNG Khi h thng BMS ta nh khch sn Novotel c a vo

vn hnh s mang nhng mc tiu chnh: - o to ngi vn hnh cc ca h thng ca ta nh. - iu khin h thng hot ng ti u, gip ngi vn hnh

h thng t hiu qu cao nht. - T ng ha vn hnh cc h thng k thut ca ta nh

nhm mc ch tng tnh tin nghi, gim chi ph vn hnh, tng hiu qu hot ng, ti u ha vic s dng nng lng v m bo an ninh, an ton tng xng vi tm quan trng v yu cu ca ta nh.

- n gin ha vic bo li cho cc thit b, my mc v h thng.

- H tr truy cp n thng tin vn hnh thit b, h thng. - T ng ha v chun ha qun l tin ch. - Cung cp kh nng giao tip vi tt c dch v trong ta nh

gip cho vic vn hnh to nh mt cch n gin, chnh xc v hiu qu.

Xt v mt tng th, nhim v ca h thng iu khin ta nh l mang n nhng tin nghi cho c quan ch qun v vn hnh nhng i tng s dng qua vic n gin ha v chun ha cc cng vic x l bng cch s dng cc ng dng iu khin t ng v gim thiu cc cng vic vn hnh bng tay. H thng cng c kh

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nng cnh bo v pht hin h hng nhm cnh bo sm, trnh cc h hi ng tic cho cc h thng k thut, tit kim chi ph v tng tui th cho cc thit b k thut. 4.1 THUT TON IU KHIN CC THIT B TRONG H

THNG

Hnh 4.2: Thut ton chng trnh chnh

4.1.1 Thut ton chng trnh chnh

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4.1.2 S thut ton iu khin AHU 4.1.3 S thut ton iu khin CHILLER 4.1.4 Trng hp xy ra chy 4.1.5 Chng trnh tnh ti Monitoring Program 4.1.6 Chng trnh chy cng bc Override Program 4.2 M PHNG CHNG TRNH IU KHIN 4.2.1 H thng Chiller.

Hnh 4.16: M phng iu khin h Chiller Giao din Chiller Plan: y l giao din th hin y cc

thit b trong h thng chiller cng cc trng thi (Run, Trip) ca chng. Hot ng ca h thng ch AUTO.

- chy ch t ng th phi set bin AUTO Mode ln ON.

- H thng chiller s bt u hot ng vo thi im bt u ca schedule (tc khi bin schedule ON) v s dng vo thi im

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kt thc ca schedule (tc bin schedule OFF). H thng s hot ng theo trnh t.

- Khi gi lp nhit nc lnh hi v cao hn nhit cp i. Chng trnh tnh ti hot ng cho ta kt qu ti lnh cn cung cp. Chng trnh so snh ti thc t vi ti t trc a lnh chy thm Chiller hay ct bt Chiller. V d:

Cng sut lnh nhm Chiller 1,2 cung cp khi chy 1 Chiller l 600 (tn)

Cng sut lnh nhm Chiller 1,2 v nhm Chiller 3,4 cung cp khi chy 1 Chiller nhm 1,2 v 1 chiller nhm 3,4 l 800 (tn)

- Nu ti cn cung cp nh hn 600 (tn) th chng trinh tinh ti s tc ng ct bt 1 Chiller

- Nu ti cn cung cp ln hn 600 (tn) th chng trnh tnh ti tc ng chy thm 1 Chiller (trong trng hp nhm Chiller 1,2 u tin) trong nhm 3,4.

Trong trng hp ang chy m nhnh Chiller b li hoc cc van, bm, thp gii nhit thuc nhnh th chng trnh s t ng cho dng nhnh v gi 1 nhnh Chiller khc thay th v ng thi bo li v trung tm vn hnh.

C th thao tc ng, m, to s c trong chng trnh m phng thy c s linh hot ca h thng. H thng s t ng bo li, ra lnh ct cc thit b b s c, ng cc thit b thay th vo m bo h thng hot ng lin tc v t c hiu qu cao nht. ng thi h thng s t ng bo li, cnh bo cho cc nhn vin vn hnh bo dng x l cc tnh hung s c nhanh nht.

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Hot ng h thng ch tay (Manual). ch bng tay (bin Auto Mode tt) c 2 cch vn

hnh: ch chy cng bc (Override) v ch bng tay hon ton.

Ch Override. - y cng c th coi l ch t ng cha hon chnh.

h thng chy Override th vic u tin l phi set bin ENABLE OVERRIDE ln ON. Khi ty theo cho php chiller no c chy Override (bng cch set bin override ca chiller ln ON) th n s t ng khi ng v chy trong ch gim st t ng. Khi c bt c s c no trong nhnh chiller th h thng s t ng dng nhnh chiller ngi vn hnh kim tra, x l.

- Ch ny so vi ch AUTO th s khuyt phn chy d phng chiller v iu phi chiller theo ti lnh ca ta nh.

Ch chy bng tay hon ton. - ch ny h thng s khng thc hin bt c g m

ngi vn hnh phi t khi ng tng thit b cng nh phi t gim st h thng. Ch ny s c dng ch yu khi bo tr thit b cng nh trong nhng trng hp c bit. 4.2.2 H thng AHU Hot ng ca h thng ch t ng (Auto)

- Khi h thng c trong lch trnh hot ng: Schedule: ON, Fire Alarm: OFF, qut AHU khng b li, AHU s chy ti tn s 30 Hz, van nc lnh s m 60%. Khi cm bin chnh lch p sut (Different Pressure Sensor) t khong 2/3 gi tr t (setpoint) h thng s t ng iu chnh tc , van nc lnh, van iu tit gi ti (Fresh air damper) theo cc gi tr ban u. Trong qu trnh hot ng, nu mun thay i tc , nhit cp, nng CO2 ca h

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thng AHU ch cn hiu chnh cc gi tr t tng ng cho cc thnh phn trn.

Hnh 4.18: M phng iu khin AHU Khi h thng khng c trong lch trnh hot ng: Schedule: OFF hoc Fire Alarm: ON hoc qut AHU b li, AHU s t ng tt. Hot ng ca h thng ch bng tay.

- Chy qut: kch i vo biu tng command. Xut hin ca s Commander. Chn ON, chn ch Set. Chn Command. Sau , kch i vo biu tng bin tn, cng xut hin ca s Commander. Nhp gi tr tc ca bin tn (phm vi t 0 100 tng ng vi 0 50 Hz). Chn Command.

- M van nc lnh: kch i vo biu tng gi tr van. Xut hin ca s Commander. Nhp gi tr m ca valve (phm vi t 0 100).

- M van iu tit kh ti (Fresh air damper): kch i vo biu tng gi tr damper. Xut hin ca s Commander. Nhp gi tr m ca van iu tit (phm vi t 0 100).

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4.2.3 H thng qut Qut cc tng hm

- Khi Schedule ON v nng CO cao hn gi tr setpoint th qut s t ng khi ng. Khi nng CO thp hn gi tr setpoint, sau 30 pht nu nng CO vn ln hn gi tr setpoint th qut s tt. Tuy nhin vn c th command trc tip trn Graphic. Qut to p cu thang

- Khi Schedule ON qut s t khi ng. Khi p sut chnh lch gia thang b v bn ngoi cao hn gi tr setpoint th damper tng ng ca qut s t ng ng m iu tit p sut chnh lch bng vi gi tr setpoint. Cc Fan cn li hot ng 24/24 tuy nhin cng c th vn hnh v command trc tip trn mn hnh ha.

Hnh 4.19: M phng iu khin FCU 4.2.4 H thng chiu sng Ch MODE on

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- Khi Schedule1 v Schedule2 ch off (c ngha l khng trong khon thi gian vn hnh) h thng hot ng ch pht hin chuyn ng (Motion Detector). Khi c chuyn ng no th h thng chiu sng s hot ng theo ch ci t sn l bt line1 hay line2. V d:

Trong trng hp ngy ngh, nhn vin an ninh thc hin cng tc kim tra, hoc nhn vin k thut x l s c H thng hot ng ch pht hin chuyn ng. Gi lp m phng khi c tn hiu c ngi xut hin, ch Motion Detector hot ng, sau thi gian ci t 5s h thng chiu sng c bt ln. H thng hot ng t ng, nu khng c chuyn ng no h thng s tt sau thi gian t sn l 30s.

Hnh 4.20: M phng iu khin chiu sng - Khi Schedule1 hoc Schedule2 ch on, h thng s tt

ch Motion Detector. H thng chiu sng s hot ng theo

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Schedule1 hoc Schedule2 (tng ng vi line1 hoc line2). Cc ch vn hnh v command trc tip trn mn hnh ha. 4.3 KT LUN

Khi ng dng h thng BMS vo ta nh, cc h thng hot ng ch t ng v hin th trn nn Graphic ng. C th thao tc v command trc tip t mn hnh.

H thng cho php thit lp lin kt gia cc trang graphic, lin kt database vo cc hnh v, to hnh nh ng v thc hin cc thao tc lnh trn nn cc trang ho - commander.

Qua m hnh m phng ngi vn hnh c th gim st, vn hnh cc thit b mt cch trc quan v ti u nht.

KT LUN Trong lun vn sau khi nghin cu, lp trnh iu khin, xy

dng giao din m phng s dng cng c phn mm Micrografx Designer 9.0, v m phng h thng BMS da trn phn mm Apogee Insight ca Siemens cho ta nh khch sn Novotel c th nhn thy li ch h thng BMS mang li:

- Gii phng sc lao ng: c th thay th nhiu nhn vin vn hnh bng mt nhn vin v mt h thng BMS.

- Vn hnh t ng, thng minh: ti trung tm iu hnh, ngi vn hnh c th iu khin bt, tt, ln biu vn hnh t ng cho cc thit b ti nhiu ta nh, nhiu x nghip c ni mng vi nhau.

- Ti u ha cng tc an ninh v bo mt: h thng gim st, iu khin truy nhp khi c kt ni vi BMS s c mi quan h cht ch hn vi cc thnh phn khc trong ta nh, c h tr v b sung chc nng cho cng tc an ninh bo mt.

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- Kim sot v tit kim nng lng: BMS gim st vic s dng nng lng hng ngy. T ng bt tt h thng theo lp trnh, a ra cnh bo nu nng lng tiu th qu cao.

- Cng c c lc cho bo tr thit b: t ng cnh bo khi pht hin cc bt thng trong h thng. T ng cnh bo, a yu cu khi cn bo tr, bo dng.

- Cc dch v BMS mang li: dch v BMS (building management system) ra i nhm phc v nhu cu qun l cc to nh mt cch tit kim v thng minh nht, ti u ho qu trnh vn hnh, thao tc cc thit b, m bo iu kin lm vic n nh, thoi mi, tin nghi, ph hp v an ton ti sn, d liu.

H thng BMS c chc nng sau: - Gim st trng thi hot ng ca my pht in (mc du,

nhit my pht, cng sut). - t lch hot ng d phng gia cc my pht d phng. - Gim st cc trm trung th, h th (qut mt, nhit my

bin th). - Thc hin o m cc thng s in nng (in p, cng

sut, dng in) tng v tr, khu vc v ca ton th to nh. - iu khin ng m cc aptomat tng, aptomat phn phi - Lp bo co v tnh trng cung cp in, thng s in theo

tng khu vc, tng tng theo thi gian hng ngy, hng thng. - H thng HVAC c nh hng trc tip n i sng, cht

lng sng v lm vic ca con ngi. Do vy h thng HVAC c vai tr rt quan trng. y l mt i tng tc ng ln ca h BMS, c th BMS s thc hin cc nhim v: o Gim st tnh trng kh hu ca cc phng, cc tng (nhit ,

m khng kh, nng CO2).

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o a ra iu khin cn thit cc thit b chp hnh (qut thng gi, iu ho khng kh, thp gii nhit) m bo iu kin chun kh hu trong phng v tit kim nng lng.

o Xc nh sm s thay i min kh hu ca vng, khu vc, a ra cc hnh ng tip cn.

- i vi h thng chiu sng ngoi sn: BMS iu khin theo cc kch bn nh trc in ca h vi phun nc, n in trang tr, in chiu sng, c th t ng iu chnh lin tc cng sng h thng chiu sng cng cng theo cng sng xung quanh.

- i vi h thng in chiu sng trong nh: BMS gim st h thng chiu sng trong to nh. iu khin ng m theo kch bn, iu chnh nh sng ca cc khu vc ca to nh ph hp vi chc nng v nhim v ca tng phng. H thng BMS gim st trng thi lm vic, cc s c v lu tr thng tin v vn hnh, c th.

- Gim st tt c cc trng thi lm vic v s c ca cc bm nc thi, bm tng p, bm cha chy

- iu khin t xa v t ng tt c cc h thng bm, h thng van cp nc tng khu vc, tng tng

- Kim sot cc nhnh cp nc cho tng tng, pht hin cc ni r r bng vic quan st p sut ng ng.

- Lp ha n cung cp nc cho tng phng, tng tng gim st tnh trng s dng nc ca tng khu vc nh gi v kim tra s r r nc.

- Qun l c h thng cu ha theo zone v theo a ch o Gim st tnh trng v tnh sn sng ca cc bm nc cu ha. o Gim st p sut ng ng bm nc cu ha, p sut khng

kh ng cu thang iu khin bm p lc cu thang.

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o Cu hnh nhy ca cc u bo chy ph hp vi chc nng v nhim v ca tng khu vc.

- Qun l c s d liu v nhn s trong ta nh. Phn quyn truy nhp h thng, cc phng chc nng ca ta nh.

- Cc h thng khc nh h thng chiu sng, CCTV, audio c chc nng h tr chc nng an ninh o Gim st s vn hnh ca cc thang my. o iu khin thang my theo kch bn cu hnh trc.

BMS s gim st v iu khin ti u cc h thng trong ta nh trn c s phn tch c trng tng h thng v mi lin h gia cc h thng . BMS s thay th con ngi thc hin mi lin h gia cc h thng trn. Vn hnh cc h thng trn c s mi lin h vi cc h thng khc.

Ngi vn hnh chnh c th cu hnh li h thng iu khin BMS. Thay i kch bn vn hnh, kch bn x l s c. H thng cung cp in l mt h thng quan trng trong ta nh cao tng, cc h thng k thut u ph thuc vo h thng ny trong qu trnh hot ng ca ta nh. qun l h thng ny rt phc tp, kh khn. Vi BMS vn ny c gii quyt ti u.

Hng m rng ca ti l c th s dng rng ri h thng BMS khng nhng cho ta nh cao tng m c th ng dng cho nhiu h thng khc nh cc khu cng nghip, trm in, chung c, khch sn, vn phng Cc h thng c th xy dng ring bit nhng vn c th kt ni, giao tip vi nhau thng qua chun giao tip chung.