溫濕度測量系統的軟硬件設計 畢業設計(文件)

　

【正文】 t o engineer ing of ficial st ar t s of t he pr epar ed wor k in t he t o, play out has as a br anch of f ight ing f ort r ess r ole and m em ber s of pioneer m odel r ole. Since it s st ar t, I mand under t he cor ect leader ship of t he par t y br anch in t he Gr oup and t he superior par t y, cent er ing on building a qualif ied par t y br anches, br anch of t he f or t s and t he bat tle t o play t he exem plar y vanguar d r ole of part y m em ber s, actively wor king. In m and per sonnel ess, and t ask heavy of sit uat ion Xia, all m em bers always accor ding t o part y str onger , and st yle t o ar e, and ser vice bet t er , and ef ficiency t o high of r equir em ents, f r om over al st ar t ing, bet t er t o plet ed has pr oduction or ganization, and coor dinat ion, and guar ant ees and t he m anagem ent wor k, in engineer ing pr ogr ess, and qualit y, and benefit s, and saf ety, aspects ar e m ade has good of r esult s, get has owner s and t he Gr oup and gr ass root s unit s of pr aise. Fir st, give f ul p lay t o t he exem plar y r ole of par ty m em bers. The exem plar y r ole of par ty m em bers and cadres ar e silent on t he m and, t he exem plar y r ole of par t y m em ber s and cadr es ar e t he best of t he ideological and pol it ical educat ion. We pay close at t ention t o par t y building, r equir es polit ical par t y m em bers and cadres m ust t ake t he lead in lear ning, set str ict demands on t hem selves, . . . 引 言 溫 濕度 參數 是 一些生產生活中重要的 參數 和控制目標 ，在現代生產生活中，溫度和濕度的監測與控制有著十分重要的意義。 近年，隨著設施農業的迅猛發展，尤其是溫室大棚，無土栽培，節水灌溉，工廠化養殖等在生產上得到前所未有的大發展，實現了農業工廠化生產，企業化運作，但美中不足是智能化程度與智能化普及率過低。開發低價位實用型的農業智能溫濕度控制系 統已迫在眉睫，對于推進我國農業智能化進程具有極為重要的意義，同時也具有很大的市場商機 計 。由溫度傳感器、濕度傳感器得到的測量信號，經電路傳送到單片機進行數據處理，通過軟件分析處理后送到顯示裝置， CPU 根據檢測到的溫度、濕度結果，判斷這時的溫度、濕度是否在開始設定好的范圍內，若不在，啟動系統 的報警器進行蜂鳴報警。s f ast est speeds. I I 32 lar ge pr ebaked elect r olytic cell on Novem ber 7 has been inst alled, mar ks has an annual pr oduct ion capacit y of 50, 00 t ons of elect r olytic alum inum pr oduct ion capacit y of alum inum. Entir e pr oject alm ost 8 mont hs ear lier t han planned, achieved t he goal of pr oduction t r ansfor mation benef it s t hat year, creat ed f avorable condit ions f or alum inum t hrough South. Second, ef f ect ively contr ol t he investm ent. Proj ect is subj ect t o a scient if ic appr oach t o bidding, bidding t o m ake savings of 20 m ilon Yuan, in t he im plem ent at ion pr ocess of t he pr oject , every dom est ic pr ices of st eel, cem ent and ot her building m at er ials, t he old buildings on t he base encount ered gr eat dif f icult ies in dealing wit h signif icant incr ease in t he volum e of civil engineer ing, but hr ough r at ionalizat ion and opt im izat ion, pr oj ect cont r ol in f ixed invest m ent of 350 m ilon Yuan. Thir d, envir onment al ener gysaving eff ect of t he proj ect . Pr oj ect investm ent of nearly 30 m ilon Yuan, using lar ge pr ebake t echnology and alum inum oxide dense phase and hyper dense phase conveying t echnology, f luoride and ot her harm ful gases purif icat ion ef ficiency of up t o 98%. Compared wit h Soder berg cell bef or e t he modif icat ion, power consum ption can be r educed by 1500 t ons of elect r olytic alum inum , and pr oject envir onm ent al pr ot ect ion and energy saving eff ect is obvious. Four ar e in a r elat ively shor t period of t im e t o t he nor m al pr oduct ion. Af t er f our m ont hs of ef for ts, a pr oj ect has put int o oper at ion all t he 54 240KA lar ge cell int o r egular pr oduction, stable cur r ent channel condit ions and al t he econom ic indicat or s ar e good, cur rent eff iciency in Oct ober had r eached 93%, is close t o and r each t he dom est ic advanc ed level. I n t he case of pr oduction half of t he cell, t his ef fect can be achieved and bet ter level in t he indust r y. 50, 00 t ons of elect r olytic m odif icat ion pr ocess, f r om pr elim inar y st udy t o equipm ent select ion, cost cont r ol, pr oj ect pr ogr ess, qualit y cont r ol and coor dinat ion am ong t he var ious sub pr oj ect s and var ious pr of essional, t echnical m and under t he cor r ect leader ship, bot h f r om an over all per spect ive, em phasis on int egr it y, and ear nest ly im plem ent t he r elevant laws and r egulat ions, st r ict ly act accor ding t o t he cont r act . He t r ied t o lear n r elevant knowledge, good st yle of business, oper at ional and or ganizat ional c oor dinat ion abilt y, pr oj ect ef f iciency, qualit y and saf et y assur ance syst em in place, wit h all unit s involved wit h t he coor dinat ion and good . . .吳學娟：溫濕度測量系統的硬件設計 Four out st anding wor ks. They are der ived f rom t heir own inner f eelings. I also sent a st udent o at tend t he class Depar tm ent speech cont est , f ailed t o get a good r esult , but also actively cooper at e wit h t he Depar tm ent and class act ivit ies! in or der t o cr eate a dem onst rat ion dor m r oom, our weekly class t o ever y bedr oom check, wher e proposed is insuf ficient . In or der t o clean up t he bedr oom, we use t he br ush brushes a bedr oom again. For t he class out of a f or ce. I n t he event we, many pr ojects did not get t he desir ed r esult s. But we under stand t hat we t r ied, and in t he st ruggle. Also has m ade good pr ogr ess in many of t he! in my class t he wor k car ried out and t he r esult s achieved, t hanks t o t he concer n and suppor t of t he Depart ment , t hanks t o inst ruct or t eacher 39。 本課題主要 介紹了以單片機 AT89C52 為核心的溫濕度 測量系統 的 硬件 設計 ,現場溫、濕度 信號 采集分別使用單線數字溫度傳感器 DS18B20 和濕度 傳感器 HIH4000。對于不同的場所 ，所需 要的溫濕度 高低 范圍不同、精度不同 ，所采用的測量元器件也就不同，另外測量的方法以及對其控制的方式也有所不同；產品工藝不同、控制精度不同、時 效不同，則對數據采集的精度和采用的控制算法也不同，因而，對溫濕度的測控方式是多種多樣的。溫度是個獨立的被測量，濕度要受到 大氣壓強和溫度的影響，經歷了伸縮法、干濕球法、泠凝法露點法、氯化鋰法露點法、電阻法、電容法、電解法，使濕度