Nghiên cứu thiết kế chế tạo máy lạnh tự động bán nước giải khát bằng tiền xu Việt Nam

r NGI-llfEN Cl/U - l/NG DUNG<br /> <br /> <br /> Nghien cmi thiet ke, che tao<br /> may lanh tu dong ban nuoc giai khat<br /> bang tien xu Viet Nam<br /> THS. PHAM HLTU LOC<br /> Trudng Dqi hoc cdng nghiep TP. Hd Chi Minh<br /> <br /> iec ban cac loai hang hda bang tiiiet bi nhan dang tien xu ciia may se xac dinh gia tri tien xu va<br /> <br /> <br /> <br /> V tuddng d noi cdng cdng phdt trien rdng<br /> rai tai nhieu nudc va htxac dau da xuit<br /> hien d Viet Nam vcd Cdng t^' Tin Hung<br /> nhap may cua Hdn Qudc vd Cdng ty sin<br /> .xuat may ban hang ttf dpng nhap may aia My. Nhung cdc<br /> may ttf dpng tten cung dii ban nudc giai khdt bdng Ion<br /> hoac bdt ca phe pha. Chu truong ciia nlia nucic ta v ei viec<br /> xdc dinh tien xu that hay gia Khi tiein .xu that tlii mav' se<br /> hien tlii gid tri tien tien mdn hinh, cdn khi Hen .xu gid thi<br /> may se dua tien xu do ra ngodi. Tien se dtfct Itai giu tam<br /> thdi cho den khi cd yeu cdu cua klidch hang mua hoac tu<br /> chdi mua. Khdch hang se chpn cac sin pham can mua<br /> bang each nhan nut theo timg sin pham difOc tnmg bdv'<br /> da dat trueic. Neu gid sin pham thdp hem hoac bdng sd<br /> phat trien rdng rai cac thiet hi bdn hang tu ddng bing tien cho vao may thi mdy se tien hdnh giao chch. Bo phan<br /> tien xu Viet Nam tai cdc nPi cdng cdng gdp phdn tao canli lap trinli dieu khien se thdng qua cac mach dieu khien<br /> quan sach dep vd phdt triim nen kinh te nueic nhd. va cam bieri de dieu khien bd phdn cdp \ d tach ly, dira ly<br /> Trong bai nay, xin dupc trinh bay nliieim vu va vao dimg \i lri cdn rdt nifoC gidi khdt, diiiti kliiem bo cliiet<br /> nguyen ly boat ddng cua mdy lanh tu ddng bdn nUdc gidi rdt dua nUeic giii Ididt dinli dueing tti cac bdn chua da<br /> khat bing lien xu vc'ii cdc bd phiin: Nhan dang tie''n xu, duoe' lam lanh vdo ly chei san, thee) dung lueing nUcic:<br /> llien thi lien, thditiein,bing yeiu cdu chon sdn phiim, bo difOc dinli infdc, klii cd dem bdo klieich hang Idy ly ntfdc<br /> phan tach ly, bd phin cliiet rdt ntfeic, bd cUeu khien liip gk'ii khdt dd due*: rdt xong de dung. Neu khdch hdng<br /> trinh... klidng cdn giao dich nUa thi nhan nut nhim lien du ket<br /> Mdy kinh ttf ddng ban ntfdc giii klidt bdng lien xu \iet thiic mdt chu trinh giao dich. iien xu diftX.' phdn biet beii<br /> Nam dupc tliiet ke gdm 10 Ididi (xem hhih 1). Cdc khdi 4 tinh chat dat tnmg co bin Id; klidi luong, dudng kinh,<br /> phai dUcie lip dat d nhung vi tii tdi tfu nhat ben trong bc' day, vdt lieu. Dieu nay giup cho vice nlidn dang trd nen<br /> than mdy nliim dim bio do cliuih xdc giiia cdc bd phan cliinh xdc hon. Bd nhin dang difOC dimg de nhan dang i<br /> \ d cliiem it khdng gian. loai tien xu \iet Nam la l.OOOd, 2.0()0d, .i.OOOd (xem<br /> liinh _')<br /> Ril nhiin dtn}i iH'n xu Bittprrinh It'mK yt'U tflu iihi<br /> viri ikim illfalchlJin ^ kkW h hun}t<br /> <br /> <br /> " 1<br /> CicDKbiteDUiiei ibiltlktluhsaukbl<br /> 8Q pli|n hirn thj -^ hoin dulnli giao didi<br /> nambicaihiii !,»V;r<br /> <br /> 1<br /> 1<br /> <br /> <br /> ( k bAndimniinrgUlklui Mphinrfat^rrMnuor RQ p t u n ctf Ciiu ,ffffWT~><br /> dinh ilialn* v j Lun Unh nui kkii (iinh ilm'mK ciip v^ liK'h ly<br /> <br /> <br /> 1 1<br /> Hinh 1: .Sadd tdng qudt<br /> <br /> <br /> 1. Nguyen ly hoat dpng cua may Hinh 2: Sa dd nguyin ly 1 tdng mach nhdn<br /> Kill khdch hdng dua tien vao khe bdtiiin.xu, bd phdn dang xu.<br /> <br /> <br /> <br /> <br /> Website: www.tapchicongnghiep.vn irv.moitgov.vn Khoa hpc & Cong nghe [6/2009] fci:i:iii